all: bump to Go-1.19#751

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Merged
sbinet merged 5 commits into from
Aug 18, 2022
Merged

all: bump to Go-1.19 #751

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b058872
all: bump to Go-1.19
sbinet Aug 17, 2022
0d45f2c
all: apply gofmt-1.19
sbinet Aug 18, 2022
7c2d2bc
all: bump x/exp and x/image
sbinet Aug 17, 2022
07bd628
ci: bump actions/{setup-go,checkout,cache}@v3
sbinet Aug 18, 2022
9e714eb
ci: report goimports formatting errors
sbinet Aug 18, 2022
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2 changes: 2 additions & 0 deletions .ci/check-formatting.sh
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@@ -1,5 +1,7 @@
#!/bin/bash

set -e

test -z "$(goimports -d .)"
if [[ -n "$(gofmt -s -l .)" ]]; then
echo -e '\e[31mCode not gofmt simplified in:\n\n'
Expand Down
11 changes: 5 additions & 6 deletions .github/workflows/ci.yml
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Expand Up@@ -10,7 +10,7 @@ jobs:
name: Build
strategy:
matrix:
go-version: [1.18.x, 1.17.x]
go-version: [1.19.x, 1.18.x]
platform: [ubuntu-latest, macos-latest]
runs-on: ${{ matrix.platform }}
env:
Expand All@@ -24,18 +24,18 @@ jobs:

steps:
- name: Install Go
uses: actions/setup-go@v2
uses: actions/setup-go@v3
with:
go-version: ${{ matrix.go-version }}

- name: Checkout code
uses: actions/checkout@v2
uses: actions/checkout@v3
with:
path: ${{ env.GOPATH }}/src/gonum.org/v1/plot
fetch-depth: 1

- name: Cache-Go
uses: actions/cache@v2
uses: actions/cache@v3
with:
# In order:
# * Module download cache
Expand DownExpand Up@@ -79,7 +79,6 @@ jobs:
if: matrix.platform == 'ubuntu-latest'
run: |
go test -v ./...
test -z "$(gofmt -d .)"
./.ci/check-imports.sh
./.ci/test-coverage.sh

Expand All@@ -95,4 +94,4 @@ jobs:

- name: Upload-Coverage
if: matrix.platform == 'ubuntu-latest'
uses: codecov/codecov-action@v1
uses: codecov/codecov-action@v2
2 changes: 1 addition & 1 deletion appveyor.yml
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Expand Up@@ -2,7 +2,7 @@ build: off

image: Visual Studio 2019

stack: go 1.17
stack: go 1.18

clone_folder: c:\gopath\src\gonum.org\v1\plot

Expand Down
6 changes: 3 additions & 3 deletions cmpimg/cmpimg.go
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Expand Up@@ -151,9 +151,9 @@ func cmpImg(v1, v2 image.Image, delta float64) bool {
// yiqEqApprox compares the colors of 2 pixels, in the NTSC YIQ color space,
// as described in:
//
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//
// An electronic version is available at:
//
Expand Down
9 changes: 5 additions & 4 deletions font/len.go
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Expand Up@@ -40,10 +40,11 @@ func Points(pt float64) Length {
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
var unit Length = 1
switch {
Expand Down
9 changes: 5 additions & 4 deletions go.mod
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@@ -1,6 +1,6 @@
module gonum.org/v1/plot

go 1.17
go 1.18

require (
gioui.org v0.0.0-20210308172011-57750fc8a0a6
Expand All@@ -10,14 +10,15 @@ require (
github.com/go-fonts/liberation v0.2.0
github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81
github.com/go-pdf/fpdf v0.6.0
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3
golang.org/x/image v0.0.0-20220302094943-723b81ca9867
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539
gonum.org/v1/gonum v0.11.0
rsc.io/pdf v0.1.1
)

require (
github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 // indirect
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e // indirect
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 // indirect
golang.org/x/text v0.3.7 // indirect
)
12 changes: 8 additions & 4 deletions go.sum
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Expand Up@@ -45,8 +45,11 @@ golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8U
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3 h1:n9HxLrNxWWtEb1cA950nuEEj3QnKbtsCJ6KjcgisNUs=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3/go.mod h1:NOZ3BPKG0ec/BKJQgnvsSFpcKLM5xXVWnvZS97DWHgE=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e h1:+WEEuIdZHnUeJJmEUjyYC2gfUMj69yZXw17EnHg/otA=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e/go.mod h1:Kr81I6Kryrl9sr8s2FK3vxD90NdsKWRuOIl2O4CvYbA=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e h1:pkl1Ko5DrhA4ezwKwdnmO7H1sKmMy9qLuYKRjS7SlmE=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e/go.mod h1:VjAR7z0ngyATZTELrBSkxOOHhhlnVUxDye4mcjx5h/8=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20190910094157-69e4b8554b2a/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
Expand All@@ -57,8 +60,8 @@ golang.org/x/image v0.0.0-20201208152932-35266b937fa6/go.mod h1:FeLwcggjj3mMvU+o
golang.org/x/image v0.0.0-20210607152325-775e3b0c77b9/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20211028202545-6944b10bf410/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867 h1:TcHcE0vrmgzNH1v3ppjcMGbhG5+9fMuvOmUYwNEF4q4=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539 h1:/eM0PCrQI2xd471rI+snWuu251/+/jpBpZqir2mPdnU=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539/go.mod h1:doUCurBvlfPMKfmIpRIywoHmhN3VyhnoFDbvIEWF4hY=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand All@@ -72,8 +75,9 @@ golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 h1:7+SpRyhoo46QjKkYInQXpcfxx3TYFEYkn131lwGE9/0=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 h1:id054HUawV2/6IGm2IV8KZQjqtwAOo2CYlOToYqa0d0=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
Expand Down
1 change: 0 additions & 1 deletion palette/brewer/brewer.go
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Expand Up@@ -15,7 +15,6 @@
//
// For more information see:
// http://www.personal.psu.edu/cab38/ColorBrewer/ColorBrewer_learnMore.html
//
package brewer // import "gonum.org/v1/plot/palette/brewer"

import (
Expand Down
16 changes: 14 additions & 2 deletions plot.go
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Expand Up@@ -494,7 +494,13 @@ func (p *Plot) NominalY(names ...string) {
//
// Supported formats are:
//
// eps, jpg|jpeg, pdf, png, svg, tex and tif|tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
c, err := draw.NewFormattedCanvas(w, h, format)
if err != nil {
Expand All@@ -509,7 +515,13 @@ func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
//
// Supported extensions are:
//
// .eps, .jpg, .jpeg, .pdf, .png, .svg, .tex, .tif and .tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) Save(w, h vg.Length, file string) (err error) {
f, err := os.Create(file)
if err != nil {
Expand Down
2 changes: 1 addition & 1 deletion plotter/boxplot.go
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Expand Up@@ -87,7 +87,7 @@ type BoxPlot struct {
// NewBoxPlot returns a new BoxPlot that represents
// the distribution of the given values. The style of
// the box plot is that used for Tukey's schematic
// plots is ``Exploratory Data Analysis.''
// plots in “Exploratory Data Analysis.”
//
// An error is returned if the boxplot is created with
// no values.
Expand Down
2 changes: 1 addition & 1 deletion plotter/heat.go
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Expand Up@@ -145,7 +145,7 @@ func (h *HeatMap) plotRasterized(c draw.Canvas, plt *plot.Plot) {
pImg.Plot(c, plt)
}

// plotVectorized plots the heatmap using vector-based drawing.
// plotVectorized plots the heatmap using vector-based drawing.
func (h *HeatMap) plotVectorized(c draw.Canvas, plt *plot.Plot) {
if h.Min > h.Max {
panic("contour: invalid Z range: min greater than max")
Expand Down
1 change: 0 additions & 1 deletion plotter/johnson.go
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Expand Up@@ -125,7 +125,6 @@ func min(a, b int) int {
// algorithm. The implementation is from the pseudocode at
//
// http://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm?oldid=642744644
//
type tarjan struct {
g graph

Expand Down
6 changes: 3 additions & 3 deletions text/latex.go
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Expand Up@@ -50,9 +50,9 @@ func (hdlr Latex) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Latex) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
cnv := drawtex.New()
face := hdlr.Fonts.Lookup(fnt, fnt.Size)
Expand Down
6 changes: 3 additions & 3 deletions text/plain.go
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Expand Up@@ -37,9 +37,9 @@ func (hdlr Plain) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Plain) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
face := hdlr.Fonts.Lookup(fnt, fnt.Size)
ext := face.Extents()
Expand Down
4 changes: 3 additions & 1 deletion version.go
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Expand Up@@ -19,7 +19,9 @@ const root = "gonum.org/v1/plot"
//
// If a replace directive exists in the Gonum/plot go.mod, the replace will
// be reported in the version in the following format:
// "version=>[replace-path] [replace-version]"
//
// "version=>[replace-path] [replace-version]"
//
// and the replace sum will be returned in place of the original sum.
//
// The exact version format returned by Version may change in future.
Expand Down
10 changes: 5 additions & 5 deletions vg/draw/canvas.go
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Expand Up@@ -293,11 +293,11 @@ func New(c vg.CanvasSizer) Canvas {
// image format. Supported formats need to be registered by importing one or
// more of the following packages:
//
// gonum.org/v1/plot/vg/vgeps // provides eps
// gonum.org/v1/plot/vg/vgimg // provides png, jpg|jpeg, tif|tiff
// gonum.org/v1/plot/vg/vgpdf // provides pdf
// gonum.org/v1/plot/vg/vgsvg // provides svg
// gonum.org/v1/plot/vg/vgtex // provides tex
// - gonum.org/v1/plot/vg/vgeps: provides eps
// - gonum.org/v1/plot/vg/vgimg: provides png, jpg|jpeg, tif|tiff
// - gonum.org/v1/plot/vg/vgpdf: provides pdf
// - gonum.org/v1/plot/vg/vgsvg: provides svg
// - gonum.org/v1/plot/vg/vgtex: provides tex
func NewFormattedCanvas(w, h vg.Length, format string) (vg.CanvasWriterTo, error) {
formats.RLock()
defer formats.RUnlock()
Expand Down
9 changes: 5 additions & 4 deletions vg/len.go
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Expand Up@@ -27,10 +27,11 @@ const (
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
return font.ParseLength(value)
}
4 changes: 2 additions & 2 deletions vg/vggio/vggio_test.go
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Expand Up@@ -29,8 +29,8 @@ const deltaGio = 0.05 // empirical value from experimentation.
// On GitHub Actions and on linux, that headless display may take some time to
// be properly available and appears to be setup "on demand".
// So we request it by trying to take a screenshot twice:
// - the first time around might fail
// - the second time shouldn't.
// - the first time around might fail
// - the second time shouldn't.
func init() {
if runtime.GOOS != "linux" {
return
Expand Down
2 changes: 1 addition & 1 deletion vg/vgpdf/vgpdf.go
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Expand Up@@ -33,7 +33,7 @@ import (
// font files, needed by gofpdf to embed fonts in a PDF document.
// We use cp1252 (code page 1252, Windows Western) to encode characters.
// See:
// - https://en.wikipedia.org/wiki/Windows-1252
// - https://en.wikipedia.org/wiki/Windows-1252
//
// TODO: provide a Canvas-level func option to embed fonts with a user provided
// code page schema?
Expand Down
2 changes: 1 addition & 1 deletion vg/vgsvg/vgsvg.go
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Expand Up@@ -13,7 +13,7 @@
// this issue.
//
// Alternatively, users may want to install the Liberation fonts on their system:
// - https://en.wikipedia.org/wiki/Liberation_fonts
// - https://en.wikipedia.org/wiki/Liberation_fonts
package vgsvg // import "gonum.org/v1/plot/vg/vgsvg"

import (
Expand Down
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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 Merged

sbinet
merged 5 commits into

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Aug 18, 2022
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all: bump to Go-1.19
#751
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b058872

all: bump to Go-1.19


sbinet Aug 17, 2022
0d45f2c

all: apply gofmt-1.19


sbinet Aug 18, 2022
7c2d2bc

all: bump x/exp and x/image


sbinet Aug 17, 2022
07bd628

ci: bump actions/{setup-go,checkout,cache}@v3


sbinet Aug 18, 2022
9e714eb

ci: report goimports formatting errors


sbinet Aug 18, 2022

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2 changes: 2 additions & 0 deletions
.ci/check-formatting.sh

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,5 +1,7 @@
#!/bin/bash

set -e

test -z "$(goimports -d .)"
if [[ -n "$(gofmt -s -l .)" ]]; then
	echo -e '\e[31mCode not gofmt simplified in:\n\n'
Expand Down

11 changes: 5 additions & 6 deletions
.github/workflows/ci.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -10,7 +10,7 @@ jobs:
 name: Build
 strategy:
 matrix:
 go-version: [1.18.x, 1.17.x]
 go-version: [1.19.x, 1.18.x]
 platform: [ubuntu-latest, macos-latest]
 runs-on: ${{ matrix.platform }}
 env:
Expand All@@ -24,18 +24,18 @@ jobs:

 steps:
 - name: Install Go
 uses: actions/setup-go@v2
 uses: actions/setup-go@v3
 with:
 go-version: ${{ matrix.go-version }}

 - name: Checkout code
 uses: actions/checkout@v2
 uses: actions/checkout@v3
 with:
 path: ${{ env.GOPATH }}/src/gonum.org/v1/plot
 fetch-depth: 1

 - name: Cache-Go
 uses: actions/cache@v2
 uses: actions/cache@v3
 with:
 # In order:
 # * Module download cache
Expand DownExpand Up@@ -79,7 +79,6 @@ jobs:
 if: matrix.platform == 'ubuntu-latest'
 run: |
 go test -v ./...
 test -z "$(gofmt -d .)"
 ./.ci/check-imports.sh
 ./.ci/test-coverage.sh

Expand All@@ -95,4 +94,4 @@ jobs:

 - name: Upload-Coverage
 if: matrix.platform == 'ubuntu-latest'
 uses: codecov/codecov-action@v1
 uses: codecov/codecov-action@v2

2 changes: 1 addition & 1 deletion
appveyor.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -2,7 +2,7 @@ build: off

image: Visual Studio 2019

stack: go 1.17
stack: go 1.18

clone_folder: c:\gopath\src\gonum.org\v1\plot

Expand Down

6 changes: 3 additions & 3 deletions
cmpimg/cmpimg.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -151,9 +151,9 @@ func cmpImg(v1, v2 image.Image, delta float64) bool {
// yiqEqApprox compares the colors of 2 pixels, in the NTSC YIQ color space,
// as described in:
//
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//
// An electronic version is available at:
//
Expand Down

9 changes: 5 additions & 4 deletions
font/len.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -40,10 +40,11 @@ func Points(pt float64) Length {
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
	var unit Length = 1
	switch {
Expand Down

9 changes: 5 additions & 4 deletions
go.mod

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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
module gonum.org/v1/plot

go 1.17
go 1.18

require (
	gioui.org v0.0.0-20210308172011-57750fc8a0a6
Expand All@@ -10,14 +10,15 @@ require (
	github.com/go-fonts/liberation v0.2.0
	github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81
	github.com/go-pdf/fpdf v0.6.0
	golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3
	golang.org/x/image v0.0.0-20220302094943-723b81ca9867
	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e
	golang.org/x/image v0.0.0-20220722155232-062f8c9fd539
	gonum.org/v1/gonum v0.11.0
	rsc.io/pdf v0.1.1
)

require (
	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
	golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 // indirect
	golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e // indirect
	golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 // indirect
	golang.org/x/text v0.3.7 // indirect
)

12 changes: 8 additions & 4 deletions
go.sum

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Original file line numberDiff line numberDiff line change
Expand Up@@ -45,8 +45,11 @@ golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8U
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3 h1:n9HxLrNxWWtEb1cA950nuEEj3QnKbtsCJ6KjcgisNUs=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3/go.mod h1:NOZ3BPKG0ec/BKJQgnvsSFpcKLM5xXVWnvZS97DWHgE=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e h1:+WEEuIdZHnUeJJmEUjyYC2gfUMj69yZXw17EnHg/otA=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e/go.mod h1:Kr81I6Kryrl9sr8s2FK3vxD90NdsKWRuOIl2O4CvYbA=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e h1:pkl1Ko5DrhA4ezwKwdnmO7H1sKmMy9qLuYKRjS7SlmE=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e/go.mod h1:VjAR7z0ngyATZTELrBSkxOOHhhlnVUxDye4mcjx5h/8=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20190910094157-69e4b8554b2a/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
Expand All@@ -57,8 +60,8 @@ golang.org/x/image v0.0.0-20201208152932-35266b937fa6/go.mod h1:FeLwcggjj3mMvU+o
golang.org/x/image v0.0.0-20210607152325-775e3b0c77b9/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20211028202545-6944b10bf410/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867 h1:TcHcE0vrmgzNH1v3ppjcMGbhG5+9fMuvOmUYwNEF4q4=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539 h1:/eM0PCrQI2xd471rI+snWuu251/+/jpBpZqir2mPdnU=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539/go.mod h1:doUCurBvlfPMKfmIpRIywoHmhN3VyhnoFDbvIEWF4hY=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand All@@ -72,8 +75,9 @@ golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 h1:7+SpRyhoo46QjKkYInQXpcfxx3TYFEYkn131lwGE9/0=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 h1:id054HUawV2/6IGm2IV8KZQjqtwAOo2CYlOToYqa0d0=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
Expand Down

1 change: 0 additions & 1 deletion
palette/brewer/brewer.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -15,7 +15,6 @@
//
// For more information see:
// http://www.personal.psu.edu/cab38/ColorBrewer/ColorBrewer_learnMore.html
//
package brewer // import "gonum.org/v1/plot/palette/brewer"

import (
Expand Down

16 changes: 14 additions & 2 deletions
plot.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -494,7 +494,13 @@ func (p *Plot) NominalY(names ...string) {
//
// Supported formats are:
//
// eps, jpg|jpeg, pdf, png, svg, tex and tif|tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
	c, err := draw.NewFormattedCanvas(w, h, format)
	if err != nil {
Expand All@@ -509,7 +515,13 @@ func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
//
// Supported extensions are:
//
// .eps, .jpg, .jpeg, .pdf, .png, .svg, .tex, .tif and .tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) Save(w, h vg.Length, file string) (err error) {
	f, err := os.Create(file)
	if err != nil {
Expand Down

2 changes: 1 addition & 1 deletion
plotter/boxplot.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -87,7 +87,7 @@ type BoxPlot struct {
// NewBoxPlot returns a new BoxPlot that represents
// the distribution of the given values. The style of
// the box plot is that used for Tukey's schematic
// plots is ``Exploratory Data Analysis.''
// plots in “Exploratory Data Analysis.”
//
// An error is returned if the boxplot is created with
// no values.
Expand Down

2 changes: 1 addition & 1 deletion
plotter/heat.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -145,7 +145,7 @@ func (h *HeatMap) plotRasterized(c draw.Canvas, plt *plot.Plot) {
	pImg.Plot(c, plt)
}

// plotVectorized plots the heatmap using vector-based drawing.
// plotVectorized plots the heatmap using vector-based drawing.
func (h *HeatMap) plotVectorized(c draw.Canvas, plt *plot.Plot) {
	if h.Min > h.Max {
 panic("contour: invalid Z range: min greater than max")
Expand Down

1 change: 0 additions & 1 deletion
plotter/johnson.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -125,7 +125,6 @@ func min(a, b int) int {
// algorithm. The implementation is from the pseudocode at
//
// http://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm?oldid=642744644
//
type tarjan struct {
	g graph

Expand Down

6 changes: 3 additions & 3 deletions
text/latex.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -50,9 +50,9 @@ func (hdlr Latex) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Latex) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
	cnv := drawtex.New()
	face := hdlr.Fonts.Lookup(fnt, fnt.Size)
Expand Down

6 changes: 3 additions & 3 deletions
text/plain.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -37,9 +37,9 @@ func (hdlr Plain) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Plain) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
	face := hdlr.Fonts.Lookup(fnt, fnt.Size)
	ext := face.Extents()
Expand Down

4 changes: 3 additions & 1 deletion
version.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -19,7 +19,9 @@ const root = "gonum.org/v1/plot"
//
// If a replace directive exists in the Gonum/plot go.mod, the replace will
// be reported in the version in the following format:
// "version=>[replace-path] [replace-version]"
//
//	"version=>[replace-path] [replace-version]"
//
// and the replace sum will be returned in place of the original sum.
//
// The exact version format returned by Version may change in future.
Expand Down

10 changes: 5 additions & 5 deletions
vg/draw/canvas.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -293,11 +293,11 @@ func New(c vg.CanvasSizer) Canvas {
// image format. Supported formats need to be registered by importing one or
// more of the following packages:
//
// gonum.org/v1/plot/vg/vgeps // provides eps
// gonum.org/v1/plot/vg/vgimg // provides png, jpg|jpeg, tif|tiff
// gonum.org/v1/plot/vg/vgpdf // provides pdf
// gonum.org/v1/plot/vg/vgsvg // provides svg
// gonum.org/v1/plot/vg/vgtex // provides tex
// - gonum.org/v1/plot/vg/vgeps: provides eps
// - gonum.org/v1/plot/vg/vgimg: provides png, jpg|jpeg, tif|tiff
// - gonum.org/v1/plot/vg/vgpdf: provides pdf
// - gonum.org/v1/plot/vg/vgsvg: provides svg
// - gonum.org/v1/plot/vg/vgtex: provides tex
func NewFormattedCanvas(w, h vg.Length, format string) (vg.CanvasWriterTo, error) {
	formats.RLock()
	defer formats.RUnlock()
Expand Down

9 changes: 5 additions & 4 deletions
vg/len.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -27,10 +27,11 @@ const (
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
	return font.ParseLength(value)
}

4 changes: 2 additions & 2 deletions
vg/vggio/vggio_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,8 +29,8 @@ const deltaGio = 0.05 // empirical value from experimentation.
// On GitHub Actions and on linux, that headless display may take some time to
// be properly available and appears to be setup "on demand".
// So we request it by trying to take a screenshot twice:
// - the first time around might fail
// - the second time shouldn't.
// - the first time around might fail
// - the second time shouldn't.
func init() {
	if runtime.GOOS != "linux" {
 return
Expand Down

2 changes: 1 addition & 1 deletion
vg/vgpdf/vgpdf.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,7 +33,7 @@ import (
// font files, needed by gofpdf to embed fonts in a PDF document.
// We use cp1252 (code page 1252, Windows Western) to encode characters.
// See:
// - https://en.wikipedia.org/wiki/Windows-1252
// - https://en.wikipedia.org/wiki/Windows-1252
//
// TODO: provide a Canvas-level func option to embed fonts with a user provided
// code page schema?
Expand Down

2 changes: 1 addition & 1 deletion
vg/vgsvg/vgsvg.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,7 +13,7 @@
// this issue.
//
// Alternatively, users may want to install the Liberation fonts on their system:
// - https://en.wikipedia.org/wiki/Liberation_fonts
// - https://en.wikipedia.org/wiki/Liberation_fonts
package vgsvg // import "gonum.org/v1/plot/vg/vgsvg"

import (
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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all: bump to Go-1.19#751

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 Merged

sbinet
merged 5 commits into

from

Aug 18, 2022
 Merged


all: bump to Go-1.19
#751
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b058872

all: bump to Go-1.19


sbinet Aug 17, 2022
0d45f2c

all: apply gofmt-1.19


sbinet Aug 18, 2022
7c2d2bc

all: bump x/exp and x/image


sbinet Aug 17, 2022
07bd628

ci: bump actions/{setup-go,checkout,cache}@v3


sbinet Aug 18, 2022
9e714eb

ci: report goimports formatting errors


sbinet Aug 18, 2022

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2 changes: 2 additions & 0 deletions
.ci/check-formatting.sh

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Original file line numberDiff line numberDiff line change
@@ -1,5 +1,7 @@
#!/bin/bash

set -e

test -z "$(goimports -d .)"
if [[ -n "$(gofmt -s -l .)" ]]; then
	echo -e '\e[31mCode not gofmt simplified in:\n\n'
Expand Down

11 changes: 5 additions & 6 deletions
.github/workflows/ci.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -10,7 +10,7 @@ jobs:
 name: Build
 strategy:
 matrix:
 go-version: [1.18.x, 1.17.x]
 go-version: [1.19.x, 1.18.x]
 platform: [ubuntu-latest, macos-latest]
 runs-on: ${{ matrix.platform }}
 env:
Expand All@@ -24,18 +24,18 @@ jobs:

 steps:
 - name: Install Go
 uses: actions/setup-go@v2
 uses: actions/setup-go@v3
 with:
 go-version: ${{ matrix.go-version }}

 - name: Checkout code
 uses: actions/checkout@v2
 uses: actions/checkout@v3
 with:
 path: ${{ env.GOPATH }}/src/gonum.org/v1/plot
 fetch-depth: 1

 - name: Cache-Go
 uses: actions/cache@v2
 uses: actions/cache@v3
 with:
 # In order:
 # * Module download cache
Expand DownExpand Up@@ -79,7 +79,6 @@ jobs:
 if: matrix.platform == 'ubuntu-latest'
 run: |
 go test -v ./...
 test -z "$(gofmt -d .)"
 ./.ci/check-imports.sh
 ./.ci/test-coverage.sh

Expand All@@ -95,4 +94,4 @@ jobs:

 - name: Upload-Coverage
 if: matrix.platform == 'ubuntu-latest'
 uses: codecov/codecov-action@v1
 uses: codecov/codecov-action@v2

2 changes: 1 addition & 1 deletion
appveyor.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -2,7 +2,7 @@ build: off

image: Visual Studio 2019

stack: go 1.17
stack: go 1.18

clone_folder: c:\gopath\src\gonum.org\v1\plot

Expand Down

6 changes: 3 additions & 3 deletions
cmpimg/cmpimg.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -151,9 +151,9 @@ func cmpImg(v1, v2 image.Image, delta float64) bool {
// yiqEqApprox compares the colors of 2 pixels, in the NTSC YIQ color space,
// as described in:
//
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//
// An electronic version is available at:
//
Expand Down

9 changes: 5 additions & 4 deletions
font/len.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -40,10 +40,11 @@ func Points(pt float64) Length {
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
	var unit Length = 1
	switch {
Expand Down

9 changes: 5 additions & 4 deletions
go.mod

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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
module gonum.org/v1/plot

go 1.17
go 1.18

require (
	gioui.org v0.0.0-20210308172011-57750fc8a0a6
Expand All@@ -10,14 +10,15 @@ require (
	github.com/go-fonts/liberation v0.2.0
	github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81
	github.com/go-pdf/fpdf v0.6.0
	golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3
	golang.org/x/image v0.0.0-20220302094943-723b81ca9867
	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e
	golang.org/x/image v0.0.0-20220722155232-062f8c9fd539
	gonum.org/v1/gonum v0.11.0
	rsc.io/pdf v0.1.1
)

require (
	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
	golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 // indirect
	golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e // indirect
	golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 // indirect
	golang.org/x/text v0.3.7 // indirect
)

12 changes: 8 additions & 4 deletions
go.sum

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Original file line numberDiff line numberDiff line change
Expand Up@@ -45,8 +45,11 @@ golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8U
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3 h1:n9HxLrNxWWtEb1cA950nuEEj3QnKbtsCJ6KjcgisNUs=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3/go.mod h1:NOZ3BPKG0ec/BKJQgnvsSFpcKLM5xXVWnvZS97DWHgE=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e h1:+WEEuIdZHnUeJJmEUjyYC2gfUMj69yZXw17EnHg/otA=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e/go.mod h1:Kr81I6Kryrl9sr8s2FK3vxD90NdsKWRuOIl2O4CvYbA=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e h1:pkl1Ko5DrhA4ezwKwdnmO7H1sKmMy9qLuYKRjS7SlmE=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e/go.mod h1:VjAR7z0ngyATZTELrBSkxOOHhhlnVUxDye4mcjx5h/8=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20190910094157-69e4b8554b2a/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
Expand All@@ -57,8 +60,8 @@ golang.org/x/image v0.0.0-20201208152932-35266b937fa6/go.mod h1:FeLwcggjj3mMvU+o
golang.org/x/image v0.0.0-20210607152325-775e3b0c77b9/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20211028202545-6944b10bf410/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867 h1:TcHcE0vrmgzNH1v3ppjcMGbhG5+9fMuvOmUYwNEF4q4=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539 h1:/eM0PCrQI2xd471rI+snWuu251/+/jpBpZqir2mPdnU=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539/go.mod h1:doUCurBvlfPMKfmIpRIywoHmhN3VyhnoFDbvIEWF4hY=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand All@@ -72,8 +75,9 @@ golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 h1:7+SpRyhoo46QjKkYInQXpcfxx3TYFEYkn131lwGE9/0=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 h1:id054HUawV2/6IGm2IV8KZQjqtwAOo2CYlOToYqa0d0=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
Expand Down

1 change: 0 additions & 1 deletion
palette/brewer/brewer.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -15,7 +15,6 @@
//
// For more information see:
// http://www.personal.psu.edu/cab38/ColorBrewer/ColorBrewer_learnMore.html
//
package brewer // import "gonum.org/v1/plot/palette/brewer"

import (
Expand Down

16 changes: 14 additions & 2 deletions
plot.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -494,7 +494,13 @@ func (p *Plot) NominalY(names ...string) {
//
// Supported formats are:
//
// eps, jpg|jpeg, pdf, png, svg, tex and tif|tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
	c, err := draw.NewFormattedCanvas(w, h, format)
	if err != nil {
Expand All@@ -509,7 +515,13 @@ func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
//
// Supported extensions are:
//
// .eps, .jpg, .jpeg, .pdf, .png, .svg, .tex, .tif and .tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) Save(w, h vg.Length, file string) (err error) {
	f, err := os.Create(file)
	if err != nil {
Expand Down

2 changes: 1 addition & 1 deletion
plotter/boxplot.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -87,7 +87,7 @@ type BoxPlot struct {
// NewBoxPlot returns a new BoxPlot that represents
// the distribution of the given values. The style of
// the box plot is that used for Tukey's schematic
// plots is ``Exploratory Data Analysis.''
// plots in “Exploratory Data Analysis.”
//
// An error is returned if the boxplot is created with
// no values.
Expand Down

2 changes: 1 addition & 1 deletion
plotter/heat.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -145,7 +145,7 @@ func (h *HeatMap) plotRasterized(c draw.Canvas, plt *plot.Plot) {
	pImg.Plot(c, plt)
}

// plotVectorized plots the heatmap using vector-based drawing.
// plotVectorized plots the heatmap using vector-based drawing.
func (h *HeatMap) plotVectorized(c draw.Canvas, plt *plot.Plot) {
	if h.Min > h.Max {
 panic("contour: invalid Z range: min greater than max")
Expand Down

1 change: 0 additions & 1 deletion
plotter/johnson.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -125,7 +125,6 @@ func min(a, b int) int {
// algorithm. The implementation is from the pseudocode at
//
// http://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm?oldid=642744644
//
type tarjan struct {
	g graph

Expand Down

6 changes: 3 additions & 3 deletions
text/latex.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -50,9 +50,9 @@ func (hdlr Latex) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Latex) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
	cnv := drawtex.New()
	face := hdlr.Fonts.Lookup(fnt, fnt.Size)
Expand Down

6 changes: 3 additions & 3 deletions
text/plain.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -37,9 +37,9 @@ func (hdlr Plain) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Plain) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
	face := hdlr.Fonts.Lookup(fnt, fnt.Size)
	ext := face.Extents()
Expand Down

4 changes: 3 additions & 1 deletion
version.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -19,7 +19,9 @@ const root = "gonum.org/v1/plot"
//
// If a replace directive exists in the Gonum/plot go.mod, the replace will
// be reported in the version in the following format:
// "version=>[replace-path] [replace-version]"
//
//	"version=>[replace-path] [replace-version]"
//
// and the replace sum will be returned in place of the original sum.
//
// The exact version format returned by Version may change in future.
Expand Down

10 changes: 5 additions & 5 deletions
vg/draw/canvas.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -293,11 +293,11 @@ func New(c vg.CanvasSizer) Canvas {
// image format. Supported formats need to be registered by importing one or
// more of the following packages:
//
// gonum.org/v1/plot/vg/vgeps // provides eps
// gonum.org/v1/plot/vg/vgimg // provides png, jpg|jpeg, tif|tiff
// gonum.org/v1/plot/vg/vgpdf // provides pdf
// gonum.org/v1/plot/vg/vgsvg // provides svg
// gonum.org/v1/plot/vg/vgtex // provides tex
// - gonum.org/v1/plot/vg/vgeps: provides eps
// - gonum.org/v1/plot/vg/vgimg: provides png, jpg|jpeg, tif|tiff
// - gonum.org/v1/plot/vg/vgpdf: provides pdf
// - gonum.org/v1/plot/vg/vgsvg: provides svg
// - gonum.org/v1/plot/vg/vgtex: provides tex
func NewFormattedCanvas(w, h vg.Length, format string) (vg.CanvasWriterTo, error) {
	formats.RLock()
	defer formats.RUnlock()
Expand Down

9 changes: 5 additions & 4 deletions
vg/len.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -27,10 +27,11 @@ const (
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
	return font.ParseLength(value)
}

4 changes: 2 additions & 2 deletions
vg/vggio/vggio_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,8 +29,8 @@ const deltaGio = 0.05 // empirical value from experimentation.
// On GitHub Actions and on linux, that headless display may take some time to
// be properly available and appears to be setup "on demand".
// So we request it by trying to take a screenshot twice:
// - the first time around might fail
// - the second time shouldn't.
// - the first time around might fail
// - the second time shouldn't.
func init() {
	if runtime.GOOS != "linux" {
 return
Expand Down

2 changes: 1 addition & 1 deletion
vg/vgpdf/vgpdf.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,7 +33,7 @@ import (
// font files, needed by gofpdf to embed fonts in a PDF document.
// We use cp1252 (code page 1252, Windows Western) to encode characters.
// See:
// - https://en.wikipedia.org/wiki/Windows-1252
// - https://en.wikipedia.org/wiki/Windows-1252
//
// TODO: provide a Canvas-level func option to embed fonts with a user provided
// code page schema?
Expand Down

2 changes: 1 addition & 1 deletion
vg/vgsvg/vgsvg.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,7 +13,7 @@
// this issue.
//
// Alternatively, users may want to install the Liberation fonts on their system:
// - https://en.wikipedia.org/wiki/Liberation_fonts
// - https://en.wikipedia.org/wiki/Liberation_fonts
package vgsvg // import "gonum.org/v1/plot/vg/vgsvg"

import (
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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 Merged

sbinet
merged 5 commits into

from

Aug 18, 2022
 Merged


all: bump to Go-1.19
#751
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b058872

all: bump to Go-1.19


sbinet Aug 17, 2022
0d45f2c

all: apply gofmt-1.19


sbinet Aug 18, 2022
7c2d2bc

all: bump x/exp and x/image


sbinet Aug 17, 2022
07bd628

ci: bump actions/{setup-go,checkout,cache}@v3


sbinet Aug 18, 2022
9e714eb

ci: report goimports formatting errors


sbinet Aug 18, 2022

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2 changes: 2 additions & 0 deletions
.ci/check-formatting.sh

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Original file line numberDiff line numberDiff line change
@@ -1,5 +1,7 @@
#!/bin/bash

set -e

test -z "$(goimports -d .)"
if [[ -n "$(gofmt -s -l .)" ]]; then
	echo -e '\e[31mCode not gofmt simplified in:\n\n'
Expand Down

11 changes: 5 additions & 6 deletions
.github/workflows/ci.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -10,7 +10,7 @@ jobs:
 name: Build
 strategy:
 matrix:
 go-version: [1.18.x, 1.17.x]
 go-version: [1.19.x, 1.18.x]
 platform: [ubuntu-latest, macos-latest]
 runs-on: ${{ matrix.platform }}
 env:
Expand All@@ -24,18 +24,18 @@ jobs:

 steps:
 - name: Install Go
 uses: actions/setup-go@v2
 uses: actions/setup-go@v3
 with:
 go-version: ${{ matrix.go-version }}

 - name: Checkout code
 uses: actions/checkout@v2
 uses: actions/checkout@v3
 with:
 path: ${{ env.GOPATH }}/src/gonum.org/v1/plot
 fetch-depth: 1

 - name: Cache-Go
 uses: actions/cache@v2
 uses: actions/cache@v3
 with:
 # In order:
 # * Module download cache
Expand DownExpand Up@@ -79,7 +79,6 @@ jobs:
 if: matrix.platform == 'ubuntu-latest'
 run: |
 go test -v ./...
 test -z "$(gofmt -d .)"
 ./.ci/check-imports.sh
 ./.ci/test-coverage.sh

Expand All@@ -95,4 +94,4 @@ jobs:

 - name: Upload-Coverage
 if: matrix.platform == 'ubuntu-latest'
 uses: codecov/codecov-action@v1
 uses: codecov/codecov-action@v2

2 changes: 1 addition & 1 deletion
appveyor.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -2,7 +2,7 @@ build: off

image: Visual Studio 2019

stack: go 1.17
stack: go 1.18

clone_folder: c:\gopath\src\gonum.org\v1\plot

Expand Down

6 changes: 3 additions & 3 deletions
cmpimg/cmpimg.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -151,9 +151,9 @@ func cmpImg(v1, v2 image.Image, delta float64) bool {
// yiqEqApprox compares the colors of 2 pixels, in the NTSC YIQ color space,
// as described in:
//
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//
// An electronic version is available at:
//
Expand Down

9 changes: 5 additions & 4 deletions
font/len.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -40,10 +40,11 @@ func Points(pt float64) Length {
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
	var unit Length = 1
	switch {
Expand Down

9 changes: 5 additions & 4 deletions
go.mod

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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
module gonum.org/v1/plot

go 1.17
go 1.18

require (
	gioui.org v0.0.0-20210308172011-57750fc8a0a6
Expand All@@ -10,14 +10,15 @@ require (
	github.com/go-fonts/liberation v0.2.0
	github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81
	github.com/go-pdf/fpdf v0.6.0
	golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3
	golang.org/x/image v0.0.0-20220302094943-723b81ca9867
	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e
	golang.org/x/image v0.0.0-20220722155232-062f8c9fd539
	gonum.org/v1/gonum v0.11.0
	rsc.io/pdf v0.1.1
)

require (
	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
	golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 // indirect
	golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e // indirect
	golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 // indirect
	golang.org/x/text v0.3.7 // indirect
)

12 changes: 8 additions & 4 deletions
go.sum

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Original file line numberDiff line numberDiff line change
Expand Up@@ -45,8 +45,11 @@ golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8U
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3 h1:n9HxLrNxWWtEb1cA950nuEEj3QnKbtsCJ6KjcgisNUs=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3/go.mod h1:NOZ3BPKG0ec/BKJQgnvsSFpcKLM5xXVWnvZS97DWHgE=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e h1:+WEEuIdZHnUeJJmEUjyYC2gfUMj69yZXw17EnHg/otA=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e/go.mod h1:Kr81I6Kryrl9sr8s2FK3vxD90NdsKWRuOIl2O4CvYbA=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e h1:pkl1Ko5DrhA4ezwKwdnmO7H1sKmMy9qLuYKRjS7SlmE=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e/go.mod h1:VjAR7z0ngyATZTELrBSkxOOHhhlnVUxDye4mcjx5h/8=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20190910094157-69e4b8554b2a/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
Expand All@@ -57,8 +60,8 @@ golang.org/x/image v0.0.0-20201208152932-35266b937fa6/go.mod h1:FeLwcggjj3mMvU+o
golang.org/x/image v0.0.0-20210607152325-775e3b0c77b9/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20211028202545-6944b10bf410/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867 h1:TcHcE0vrmgzNH1v3ppjcMGbhG5+9fMuvOmUYwNEF4q4=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539 h1:/eM0PCrQI2xd471rI+snWuu251/+/jpBpZqir2mPdnU=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539/go.mod h1:doUCurBvlfPMKfmIpRIywoHmhN3VyhnoFDbvIEWF4hY=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand All@@ -72,8 +75,9 @@ golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 h1:7+SpRyhoo46QjKkYInQXpcfxx3TYFEYkn131lwGE9/0=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 h1:id054HUawV2/6IGm2IV8KZQjqtwAOo2CYlOToYqa0d0=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
Expand Down

1 change: 0 additions & 1 deletion
palette/brewer/brewer.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -15,7 +15,6 @@
//
// For more information see:
// http://www.personal.psu.edu/cab38/ColorBrewer/ColorBrewer_learnMore.html
//
package brewer // import "gonum.org/v1/plot/palette/brewer"

import (
Expand Down

16 changes: 14 additions & 2 deletions
plot.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -494,7 +494,13 @@ func (p *Plot) NominalY(names ...string) {
//
// Supported formats are:
//
// eps, jpg|jpeg, pdf, png, svg, tex and tif|tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
	c, err := draw.NewFormattedCanvas(w, h, format)
	if err != nil {
Expand All@@ -509,7 +515,13 @@ func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
//
// Supported extensions are:
//
// .eps, .jpg, .jpeg, .pdf, .png, .svg, .tex, .tif and .tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) Save(w, h vg.Length, file string) (err error) {
	f, err := os.Create(file)
	if err != nil {
Expand Down

2 changes: 1 addition & 1 deletion
plotter/boxplot.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -87,7 +87,7 @@ type BoxPlot struct {
// NewBoxPlot returns a new BoxPlot that represents
// the distribution of the given values. The style of
// the box plot is that used for Tukey's schematic
// plots is ``Exploratory Data Analysis.''
// plots in “Exploratory Data Analysis.”
//
// An error is returned if the boxplot is created with
// no values.
Expand Down

2 changes: 1 addition & 1 deletion
plotter/heat.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -145,7 +145,7 @@ func (h *HeatMap) plotRasterized(c draw.Canvas, plt *plot.Plot) {
	pImg.Plot(c, plt)
}

// plotVectorized plots the heatmap using vector-based drawing.
// plotVectorized plots the heatmap using vector-based drawing.
func (h *HeatMap) plotVectorized(c draw.Canvas, plt *plot.Plot) {
	if h.Min > h.Max {
 panic("contour: invalid Z range: min greater than max")
Expand Down

1 change: 0 additions & 1 deletion
plotter/johnson.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -125,7 +125,6 @@ func min(a, b int) int {
// algorithm. The implementation is from the pseudocode at
//
// http://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm?oldid=642744644
//
type tarjan struct {
	g graph

Expand Down

6 changes: 3 additions & 3 deletions
text/latex.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -50,9 +50,9 @@ func (hdlr Latex) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Latex) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
	cnv := drawtex.New()
	face := hdlr.Fonts.Lookup(fnt, fnt.Size)
Expand Down

6 changes: 3 additions & 3 deletions
text/plain.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -37,9 +37,9 @@ func (hdlr Plain) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Plain) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
	face := hdlr.Fonts.Lookup(fnt, fnt.Size)
	ext := face.Extents()
Expand Down

4 changes: 3 additions & 1 deletion
version.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -19,7 +19,9 @@ const root = "gonum.org/v1/plot"
//
// If a replace directive exists in the Gonum/plot go.mod, the replace will
// be reported in the version in the following format:
// "version=>[replace-path] [replace-version]"
//
//	"version=>[replace-path] [replace-version]"
//
// and the replace sum will be returned in place of the original sum.
//
// The exact version format returned by Version may change in future.
Expand Down

10 changes: 5 additions & 5 deletions
vg/draw/canvas.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -293,11 +293,11 @@ func New(c vg.CanvasSizer) Canvas {
// image format. Supported formats need to be registered by importing one or
// more of the following packages:
//
// gonum.org/v1/plot/vg/vgeps // provides eps
// gonum.org/v1/plot/vg/vgimg // provides png, jpg|jpeg, tif|tiff
// gonum.org/v1/plot/vg/vgpdf // provides pdf
// gonum.org/v1/plot/vg/vgsvg // provides svg
// gonum.org/v1/plot/vg/vgtex // provides tex
// - gonum.org/v1/plot/vg/vgeps: provides eps
// - gonum.org/v1/plot/vg/vgimg: provides png, jpg|jpeg, tif|tiff
// - gonum.org/v1/plot/vg/vgpdf: provides pdf
// - gonum.org/v1/plot/vg/vgsvg: provides svg
// - gonum.org/v1/plot/vg/vgtex: provides tex
func NewFormattedCanvas(w, h vg.Length, format string) (vg.CanvasWriterTo, error) {
	formats.RLock()
	defer formats.RUnlock()
Expand Down

9 changes: 5 additions & 4 deletions
vg/len.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -27,10 +27,11 @@ const (
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
	return font.ParseLength(value)
}

4 changes: 2 additions & 2 deletions
vg/vggio/vggio_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,8 +29,8 @@ const deltaGio = 0.05 // empirical value from experimentation.
// On GitHub Actions and on linux, that headless display may take some time to
// be properly available and appears to be setup "on demand".
// So we request it by trying to take a screenshot twice:
// - the first time around might fail
// - the second time shouldn't.
// - the first time around might fail
// - the second time shouldn't.
func init() {
	if runtime.GOOS != "linux" {
 return
Expand Down

2 changes: 1 addition & 1 deletion
vg/vgpdf/vgpdf.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,7 +33,7 @@ import (
// font files, needed by gofpdf to embed fonts in a PDF document.
// We use cp1252 (code page 1252, Windows Western) to encode characters.
// See:
// - https://en.wikipedia.org/wiki/Windows-1252
// - https://en.wikipedia.org/wiki/Windows-1252
//
// TODO: provide a Canvas-level func option to embed fonts with a user provided
// code page schema?
Expand Down

2 changes: 1 addition & 1 deletion
vg/vgsvg/vgsvg.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,7 +13,7 @@
// this issue.
//
// Alternatively, users may want to install the Liberation fonts on their system:
// - https://en.wikipedia.org/wiki/Liberation_fonts
// - https://en.wikipedia.org/wiki/Liberation_fonts
package vgsvg // import "gonum.org/v1/plot/vg/vgsvg"

import (
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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all: bump to Go-1.19#751

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 Merged

sbinet
merged 5 commits into

from

Aug 18, 2022
 Merged


all: bump to Go-1.19
#751
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b058872

all: bump to Go-1.19


sbinet Aug 17, 2022
0d45f2c

all: apply gofmt-1.19


sbinet Aug 18, 2022
7c2d2bc

all: bump x/exp and x/image


sbinet Aug 17, 2022
07bd628

ci: bump actions/{setup-go,checkout,cache}@v3


sbinet Aug 18, 2022
9e714eb

ci: report goimports formatting errors


sbinet Aug 18, 2022

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2 changes: 2 additions & 0 deletions
.ci/check-formatting.sh

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Original file line numberDiff line numberDiff line change
@@ -1,5 +1,7 @@
#!/bin/bash

set -e

test -z "$(goimports -d .)"
if [[ -n "$(gofmt -s -l .)" ]]; then
	echo -e '\e[31mCode not gofmt simplified in:\n\n'
Expand Down

11 changes: 5 additions & 6 deletions
.github/workflows/ci.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -10,7 +10,7 @@ jobs:
 name: Build
 strategy:
 matrix:
 go-version: [1.18.x, 1.17.x]
 go-version: [1.19.x, 1.18.x]
 platform: [ubuntu-latest, macos-latest]
 runs-on: ${{ matrix.platform }}
 env:
Expand All@@ -24,18 +24,18 @@ jobs:

 steps:
 - name: Install Go
 uses: actions/setup-go@v2
 uses: actions/setup-go@v3
 with:
 go-version: ${{ matrix.go-version }}

 - name: Checkout code
 uses: actions/checkout@v2
 uses: actions/checkout@v3
 with:
 path: ${{ env.GOPATH }}/src/gonum.org/v1/plot
 fetch-depth: 1

 - name: Cache-Go
 uses: actions/cache@v2
 uses: actions/cache@v3
 with:
 # In order:
 # * Module download cache
Expand DownExpand Up@@ -79,7 +79,6 @@ jobs:
 if: matrix.platform == 'ubuntu-latest'
 run: |
 go test -v ./...
 test -z "$(gofmt -d .)"
 ./.ci/check-imports.sh
 ./.ci/test-coverage.sh

Expand All@@ -95,4 +94,4 @@ jobs:

 - name: Upload-Coverage
 if: matrix.platform == 'ubuntu-latest'
 uses: codecov/codecov-action@v1
 uses: codecov/codecov-action@v2

2 changes: 1 addition & 1 deletion
appveyor.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -2,7 +2,7 @@ build: off

image: Visual Studio 2019

stack: go 1.17
stack: go 1.18

clone_folder: c:\gopath\src\gonum.org\v1\plot

Expand Down

6 changes: 3 additions & 3 deletions
cmpimg/cmpimg.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -151,9 +151,9 @@ func cmpImg(v1, v2 image.Image, delta float64) bool {
// yiqEqApprox compares the colors of 2 pixels, in the NTSC YIQ color space,
// as described in:
//
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//
// An electronic version is available at:
//
Expand Down

9 changes: 5 additions & 4 deletions
font/len.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -40,10 +40,11 @@ func Points(pt float64) Length {
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
	var unit Length = 1
	switch {
Expand Down

9 changes: 5 additions & 4 deletions
go.mod

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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
module gonum.org/v1/plot

go 1.17
go 1.18

require (
	gioui.org v0.0.0-20210308172011-57750fc8a0a6
Expand All@@ -10,14 +10,15 @@ require (
	github.com/go-fonts/liberation v0.2.0
	github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81
	github.com/go-pdf/fpdf v0.6.0
	golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3
	golang.org/x/image v0.0.0-20220302094943-723b81ca9867
	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e
	golang.org/x/image v0.0.0-20220722155232-062f8c9fd539
	gonum.org/v1/gonum v0.11.0
	rsc.io/pdf v0.1.1
)

require (
	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
	golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 // indirect
	golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e // indirect
	golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 // indirect
	golang.org/x/text v0.3.7 // indirect
)

12 changes: 8 additions & 4 deletions
go.sum

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Original file line numberDiff line numberDiff line change
Expand Up@@ -45,8 +45,11 @@ golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8U
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3 h1:n9HxLrNxWWtEb1cA950nuEEj3QnKbtsCJ6KjcgisNUs=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3/go.mod h1:NOZ3BPKG0ec/BKJQgnvsSFpcKLM5xXVWnvZS97DWHgE=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e h1:+WEEuIdZHnUeJJmEUjyYC2gfUMj69yZXw17EnHg/otA=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e/go.mod h1:Kr81I6Kryrl9sr8s2FK3vxD90NdsKWRuOIl2O4CvYbA=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e h1:pkl1Ko5DrhA4ezwKwdnmO7H1sKmMy9qLuYKRjS7SlmE=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e/go.mod h1:VjAR7z0ngyATZTELrBSkxOOHhhlnVUxDye4mcjx5h/8=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20190910094157-69e4b8554b2a/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
Expand All@@ -57,8 +60,8 @@ golang.org/x/image v0.0.0-20201208152932-35266b937fa6/go.mod h1:FeLwcggjj3mMvU+o
golang.org/x/image v0.0.0-20210607152325-775e3b0c77b9/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20211028202545-6944b10bf410/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867 h1:TcHcE0vrmgzNH1v3ppjcMGbhG5+9fMuvOmUYwNEF4q4=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539 h1:/eM0PCrQI2xd471rI+snWuu251/+/jpBpZqir2mPdnU=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539/go.mod h1:doUCurBvlfPMKfmIpRIywoHmhN3VyhnoFDbvIEWF4hY=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand All@@ -72,8 +75,9 @@ golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 h1:7+SpRyhoo46QjKkYInQXpcfxx3TYFEYkn131lwGE9/0=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 h1:id054HUawV2/6IGm2IV8KZQjqtwAOo2CYlOToYqa0d0=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
Expand Down

1 change: 0 additions & 1 deletion
palette/brewer/brewer.go

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Expand Up@@ -15,7 +15,6 @@
//
// For more information see:
// http://www.personal.psu.edu/cab38/ColorBrewer/ColorBrewer_learnMore.html
//
package brewer // import "gonum.org/v1/plot/palette/brewer"

import (
Expand Down

16 changes: 14 additions & 2 deletions
plot.go

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Expand Up@@ -494,7 +494,13 @@ func (p *Plot) NominalY(names ...string) {
//
// Supported formats are:
//
// eps, jpg|jpeg, pdf, png, svg, tex and tif|tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
	c, err := draw.NewFormattedCanvas(w, h, format)
	if err != nil {
Expand All@@ -509,7 +515,13 @@ func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
//
// Supported extensions are:
//
// .eps, .jpg, .jpeg, .pdf, .png, .svg, .tex, .tif and .tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) Save(w, h vg.Length, file string) (err error) {
	f, err := os.Create(file)
	if err != nil {
Expand Down

2 changes: 1 addition & 1 deletion
plotter/boxplot.go

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Expand Up@@ -87,7 +87,7 @@ type BoxPlot struct {
// NewBoxPlot returns a new BoxPlot that represents
// the distribution of the given values. The style of
// the box plot is that used for Tukey's schematic
// plots is ``Exploratory Data Analysis.''
// plots in “Exploratory Data Analysis.”
//
// An error is returned if the boxplot is created with
// no values.
Expand Down

2 changes: 1 addition & 1 deletion
plotter/heat.go

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Expand Up@@ -145,7 +145,7 @@ func (h *HeatMap) plotRasterized(c draw.Canvas, plt *plot.Plot) {
	pImg.Plot(c, plt)
}

// plotVectorized plots the heatmap using vector-based drawing.
// plotVectorized plots the heatmap using vector-based drawing.
func (h *HeatMap) plotVectorized(c draw.Canvas, plt *plot.Plot) {
	if h.Min > h.Max {
 panic("contour: invalid Z range: min greater than max")
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1 change: 0 additions & 1 deletion
plotter/johnson.go

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Expand Up@@ -125,7 +125,6 @@ func min(a, b int) int {
// algorithm. The implementation is from the pseudocode at
//
// http://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm?oldid=642744644
//
type tarjan struct {
	g graph

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6 changes: 3 additions & 3 deletions
text/latex.go

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Expand Up@@ -50,9 +50,9 @@ func (hdlr Latex) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Latex) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
	cnv := drawtex.New()
	face := hdlr.Fonts.Lookup(fnt, fnt.Size)
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6 changes: 3 additions & 3 deletions
text/plain.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -37,9 +37,9 @@ func (hdlr Plain) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Plain) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
	face := hdlr.Fonts.Lookup(fnt, fnt.Size)
	ext := face.Extents()
Expand Down

4 changes: 3 additions & 1 deletion
version.go

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Expand Up@@ -19,7 +19,9 @@ const root = "gonum.org/v1/plot"
//
// If a replace directive exists in the Gonum/plot go.mod, the replace will
// be reported in the version in the following format:
// "version=>[replace-path] [replace-version]"
//
//	"version=>[replace-path] [replace-version]"
//
// and the replace sum will be returned in place of the original sum.
//
// The exact version format returned by Version may change in future.
Expand Down

10 changes: 5 additions & 5 deletions
vg/draw/canvas.go

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Expand Up@@ -293,11 +293,11 @@ func New(c vg.CanvasSizer) Canvas {
// image format. Supported formats need to be registered by importing one or
// more of the following packages:
//
// gonum.org/v1/plot/vg/vgeps // provides eps
// gonum.org/v1/plot/vg/vgimg // provides png, jpg|jpeg, tif|tiff
// gonum.org/v1/plot/vg/vgpdf // provides pdf
// gonum.org/v1/plot/vg/vgsvg // provides svg
// gonum.org/v1/plot/vg/vgtex // provides tex
// - gonum.org/v1/plot/vg/vgeps: provides eps
// - gonum.org/v1/plot/vg/vgimg: provides png, jpg|jpeg, tif|tiff
// - gonum.org/v1/plot/vg/vgpdf: provides pdf
// - gonum.org/v1/plot/vg/vgsvg: provides svg
// - gonum.org/v1/plot/vg/vgtex: provides tex
func NewFormattedCanvas(w, h vg.Length, format string) (vg.CanvasWriterTo, error) {
	formats.RLock()
	defer formats.RUnlock()
Expand Down

9 changes: 5 additions & 4 deletions
vg/len.go

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Expand Up@@ -27,10 +27,11 @@ const (
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
	return font.ParseLength(value)
}

4 changes: 2 additions & 2 deletions
vg/vggio/vggio_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,8 +29,8 @@ const deltaGio = 0.05 // empirical value from experimentation.
// On GitHub Actions and on linux, that headless display may take some time to
// be properly available and appears to be setup "on demand".
// So we request it by trying to take a screenshot twice:
// - the first time around might fail
// - the second time shouldn't.
// - the first time around might fail
// - the second time shouldn't.
func init() {
	if runtime.GOOS != "linux" {
 return
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2 changes: 1 addition & 1 deletion
vg/vgpdf/vgpdf.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,7 +33,7 @@ import (
// font files, needed by gofpdf to embed fonts in a PDF document.
// We use cp1252 (code page 1252, Windows Western) to encode characters.
// See:
// - https://en.wikipedia.org/wiki/Windows-1252
// - https://en.wikipedia.org/wiki/Windows-1252
//
// TODO: provide a Canvas-level func option to embed fonts with a user provided
// code page schema?
Expand Down

2 changes: 1 addition & 1 deletion
vg/vgsvg/vgsvg.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,7 +13,7 @@
// this issue.
//
// Alternatively, users may want to install the Liberation fonts on their system:
// - https://en.wikipedia.org/wiki/Liberation_fonts
// - https://en.wikipedia.org/wiki/Liberation_fonts
package vgsvg // import "gonum.org/v1/plot/vg/vgsvg"

import (
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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all: bump to Go-1.19#751

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 Merged

sbinet
merged 5 commits into

from

Aug 18, 2022
 Merged


all: bump to Go-1.19
#751
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b058872

all: bump to Go-1.19


sbinet Aug 17, 2022
0d45f2c

all: apply gofmt-1.19


sbinet Aug 18, 2022
7c2d2bc

all: bump x/exp and x/image


sbinet Aug 17, 2022
07bd628

ci: bump actions/{setup-go,checkout,cache}@v3


sbinet Aug 18, 2022
9e714eb

ci: report goimports formatting errors


sbinet Aug 18, 2022

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2 changes: 2 additions & 0 deletions
.ci/check-formatting.sh

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Original file line numberDiff line numberDiff line change
@@ -1,5 +1,7 @@
#!/bin/bash

set -e

test -z "$(goimports -d .)"
if [[ -n "$(gofmt -s -l .)" ]]; then
	echo -e '\e[31mCode not gofmt simplified in:\n\n'
Expand Down

11 changes: 5 additions & 6 deletions
.github/workflows/ci.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -10,7 +10,7 @@ jobs:
 name: Build
 strategy:
 matrix:
 go-version: [1.18.x, 1.17.x]
 go-version: [1.19.x, 1.18.x]
 platform: [ubuntu-latest, macos-latest]
 runs-on: ${{ matrix.platform }}
 env:
Expand All@@ -24,18 +24,18 @@ jobs:

 steps:
 - name: Install Go
 uses: actions/setup-go@v2
 uses: actions/setup-go@v3
 with:
 go-version: ${{ matrix.go-version }}

 - name: Checkout code
 uses: actions/checkout@v2
 uses: actions/checkout@v3
 with:
 path: ${{ env.GOPATH }}/src/gonum.org/v1/plot
 fetch-depth: 1

 - name: Cache-Go
 uses: actions/cache@v2
 uses: actions/cache@v3
 with:
 # In order:
 # * Module download cache
Expand DownExpand Up@@ -79,7 +79,6 @@ jobs:
 if: matrix.platform == 'ubuntu-latest'
 run: |
 go test -v ./...
 test -z "$(gofmt -d .)"
 ./.ci/check-imports.sh
 ./.ci/test-coverage.sh

Expand All@@ -95,4 +94,4 @@ jobs:

 - name: Upload-Coverage
 if: matrix.platform == 'ubuntu-latest'
 uses: codecov/codecov-action@v1
 uses: codecov/codecov-action@v2

2 changes: 1 addition & 1 deletion
appveyor.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -2,7 +2,7 @@ build: off

image: Visual Studio 2019

stack: go 1.17
stack: go 1.18

clone_folder: c:\gopath\src\gonum.org\v1\plot

Expand Down

6 changes: 3 additions & 3 deletions
cmpimg/cmpimg.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -151,9 +151,9 @@ func cmpImg(v1, v2 image.Image, delta float64) bool {
// yiqEqApprox compares the colors of 2 pixels, in the NTSC YIQ color space,
// as described in:
//
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//
// An electronic version is available at:
//
Expand Down

9 changes: 5 additions & 4 deletions
font/len.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -40,10 +40,11 @@ func Points(pt float64) Length {
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
	var unit Length = 1
	switch {
Expand Down

9 changes: 5 additions & 4 deletions
go.mod

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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
module gonum.org/v1/plot

go 1.17
go 1.18

require (
	gioui.org v0.0.0-20210308172011-57750fc8a0a6
Expand All@@ -10,14 +10,15 @@ require (
	github.com/go-fonts/liberation v0.2.0
	github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81
	github.com/go-pdf/fpdf v0.6.0
	golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3
	golang.org/x/image v0.0.0-20220302094943-723b81ca9867
	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e
	golang.org/x/image v0.0.0-20220722155232-062f8c9fd539
	gonum.org/v1/gonum v0.11.0
	rsc.io/pdf v0.1.1
)

require (
	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
	golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 // indirect
	golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e // indirect
	golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 // indirect
	golang.org/x/text v0.3.7 // indirect
)

12 changes: 8 additions & 4 deletions
go.sum

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Original file line numberDiff line numberDiff line change
Expand Up@@ -45,8 +45,11 @@ golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8U
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3 h1:n9HxLrNxWWtEb1cA950nuEEj3QnKbtsCJ6KjcgisNUs=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3/go.mod h1:NOZ3BPKG0ec/BKJQgnvsSFpcKLM5xXVWnvZS97DWHgE=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e h1:+WEEuIdZHnUeJJmEUjyYC2gfUMj69yZXw17EnHg/otA=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e/go.mod h1:Kr81I6Kryrl9sr8s2FK3vxD90NdsKWRuOIl2O4CvYbA=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e h1:pkl1Ko5DrhA4ezwKwdnmO7H1sKmMy9qLuYKRjS7SlmE=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e/go.mod h1:VjAR7z0ngyATZTELrBSkxOOHhhlnVUxDye4mcjx5h/8=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20190910094157-69e4b8554b2a/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
Expand All@@ -57,8 +60,8 @@ golang.org/x/image v0.0.0-20201208152932-35266b937fa6/go.mod h1:FeLwcggjj3mMvU+o
golang.org/x/image v0.0.0-20210607152325-775e3b0c77b9/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20211028202545-6944b10bf410/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867 h1:TcHcE0vrmgzNH1v3ppjcMGbhG5+9fMuvOmUYwNEF4q4=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539 h1:/eM0PCrQI2xd471rI+snWuu251/+/jpBpZqir2mPdnU=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539/go.mod h1:doUCurBvlfPMKfmIpRIywoHmhN3VyhnoFDbvIEWF4hY=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand All@@ -72,8 +75,9 @@ golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 h1:7+SpRyhoo46QjKkYInQXpcfxx3TYFEYkn131lwGE9/0=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 h1:id054HUawV2/6IGm2IV8KZQjqtwAOo2CYlOToYqa0d0=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
Expand Down

1 change: 0 additions & 1 deletion
palette/brewer/brewer.go

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Expand Up@@ -15,7 +15,6 @@
//
// For more information see:
// http://www.personal.psu.edu/cab38/ColorBrewer/ColorBrewer_learnMore.html
//
package brewer // import "gonum.org/v1/plot/palette/brewer"

import (
Expand Down

16 changes: 14 additions & 2 deletions
plot.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -494,7 +494,13 @@ func (p *Plot) NominalY(names ...string) {
//
// Supported formats are:
//
// eps, jpg|jpeg, pdf, png, svg, tex and tif|tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
	c, err := draw.NewFormattedCanvas(w, h, format)
	if err != nil {
Expand All@@ -509,7 +515,13 @@ func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
//
// Supported extensions are:
//
// .eps, .jpg, .jpeg, .pdf, .png, .svg, .tex, .tif and .tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) Save(w, h vg.Length, file string) (err error) {
	f, err := os.Create(file)
	if err != nil {
Expand Down

2 changes: 1 addition & 1 deletion
plotter/boxplot.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -87,7 +87,7 @@ type BoxPlot struct {
// NewBoxPlot returns a new BoxPlot that represents
// the distribution of the given values. The style of
// the box plot is that used for Tukey's schematic
// plots is ``Exploratory Data Analysis.''
// plots in “Exploratory Data Analysis.”
//
// An error is returned if the boxplot is created with
// no values.
Expand Down

2 changes: 1 addition & 1 deletion
plotter/heat.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -145,7 +145,7 @@ func (h *HeatMap) plotRasterized(c draw.Canvas, plt *plot.Plot) {
	pImg.Plot(c, plt)
}

// plotVectorized plots the heatmap using vector-based drawing.
// plotVectorized plots the heatmap using vector-based drawing.
func (h *HeatMap) plotVectorized(c draw.Canvas, plt *plot.Plot) {
	if h.Min > h.Max {
 panic("contour: invalid Z range: min greater than max")
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1 change: 0 additions & 1 deletion
plotter/johnson.go

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Expand Up@@ -125,7 +125,6 @@ func min(a, b int) int {
// algorithm. The implementation is from the pseudocode at
//
// http://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm?oldid=642744644
//
type tarjan struct {
	g graph

Expand Down

6 changes: 3 additions & 3 deletions
text/latex.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -50,9 +50,9 @@ func (hdlr Latex) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Latex) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
	cnv := drawtex.New()
	face := hdlr.Fonts.Lookup(fnt, fnt.Size)
Expand Down

6 changes: 3 additions & 3 deletions
text/plain.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -37,9 +37,9 @@ func (hdlr Plain) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Plain) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
	face := hdlr.Fonts.Lookup(fnt, fnt.Size)
	ext := face.Extents()
Expand Down

4 changes: 3 additions & 1 deletion
version.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -19,7 +19,9 @@ const root = "gonum.org/v1/plot"
//
// If a replace directive exists in the Gonum/plot go.mod, the replace will
// be reported in the version in the following format:
// "version=>[replace-path] [replace-version]"
//
//	"version=>[replace-path] [replace-version]"
//
// and the replace sum will be returned in place of the original sum.
//
// The exact version format returned by Version may change in future.
Expand Down

10 changes: 5 additions & 5 deletions
vg/draw/canvas.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -293,11 +293,11 @@ func New(c vg.CanvasSizer) Canvas {
// image format. Supported formats need to be registered by importing one or
// more of the following packages:
//
// gonum.org/v1/plot/vg/vgeps // provides eps
// gonum.org/v1/plot/vg/vgimg // provides png, jpg|jpeg, tif|tiff
// gonum.org/v1/plot/vg/vgpdf // provides pdf
// gonum.org/v1/plot/vg/vgsvg // provides svg
// gonum.org/v1/plot/vg/vgtex // provides tex
// - gonum.org/v1/plot/vg/vgeps: provides eps
// - gonum.org/v1/plot/vg/vgimg: provides png, jpg|jpeg, tif|tiff
// - gonum.org/v1/plot/vg/vgpdf: provides pdf
// - gonum.org/v1/plot/vg/vgsvg: provides svg
// - gonum.org/v1/plot/vg/vgtex: provides tex
func NewFormattedCanvas(w, h vg.Length, format string) (vg.CanvasWriterTo, error) {
	formats.RLock()
	defer formats.RUnlock()
Expand Down

9 changes: 5 additions & 4 deletions
vg/len.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -27,10 +27,11 @@ const (
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
	return font.ParseLength(value)
}

4 changes: 2 additions & 2 deletions
vg/vggio/vggio_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,8 +29,8 @@ const deltaGio = 0.05 // empirical value from experimentation.
// On GitHub Actions and on linux, that headless display may take some time to
// be properly available and appears to be setup "on demand".
// So we request it by trying to take a screenshot twice:
// - the first time around might fail
// - the second time shouldn't.
// - the first time around might fail
// - the second time shouldn't.
func init() {
	if runtime.GOOS != "linux" {
 return
Expand Down

2 changes: 1 addition & 1 deletion
vg/vgpdf/vgpdf.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,7 +33,7 @@ import (
// font files, needed by gofpdf to embed fonts in a PDF document.
// We use cp1252 (code page 1252, Windows Western) to encode characters.
// See:
// - https://en.wikipedia.org/wiki/Windows-1252
// - https://en.wikipedia.org/wiki/Windows-1252
//
// TODO: provide a Canvas-level func option to embed fonts with a user provided
// code page schema?
Expand Down

2 changes: 1 addition & 1 deletion
vg/vgsvg/vgsvg.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,7 +13,7 @@
// this issue.
//
// Alternatively, users may want to install the Liberation fonts on their system:
// - https://en.wikipedia.org/wiki/Liberation_fonts
// - https://en.wikipedia.org/wiki/Liberation_fonts
package vgsvg // import "gonum.org/v1/plot/vg/vgsvg"

import (
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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all: bump to Go-1.19#751

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 Merged

sbinet
merged 5 commits into

from

Aug 18, 2022
 Merged


all: bump to Go-1.19
#751
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b058872

all: bump to Go-1.19


sbinet Aug 17, 2022
0d45f2c

all: apply gofmt-1.19


sbinet Aug 18, 2022
7c2d2bc

all: bump x/exp and x/image


sbinet Aug 17, 2022
07bd628

ci: bump actions/{setup-go,checkout,cache}@v3


sbinet Aug 18, 2022
9e714eb

ci: report goimports formatting errors


sbinet Aug 18, 2022

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2 changes: 2 additions & 0 deletions
.ci/check-formatting.sh

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Original file line numberDiff line numberDiff line change
@@ -1,5 +1,7 @@
#!/bin/bash

set -e

test -z "$(goimports -d .)"
if [[ -n "$(gofmt -s -l .)" ]]; then
	echo -e '\e[31mCode not gofmt simplified in:\n\n'
Expand Down

11 changes: 5 additions & 6 deletions
.github/workflows/ci.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -10,7 +10,7 @@ jobs:
 name: Build
 strategy:
 matrix:
 go-version: [1.18.x, 1.17.x]
 go-version: [1.19.x, 1.18.x]
 platform: [ubuntu-latest, macos-latest]
 runs-on: ${{ matrix.platform }}
 env:
Expand All@@ -24,18 +24,18 @@ jobs:

 steps:
 - name: Install Go
 uses: actions/setup-go@v2
 uses: actions/setup-go@v3
 with:
 go-version: ${{ matrix.go-version }}

 - name: Checkout code
 uses: actions/checkout@v2
 uses: actions/checkout@v3
 with:
 path: ${{ env.GOPATH }}/src/gonum.org/v1/plot
 fetch-depth: 1

 - name: Cache-Go
 uses: actions/cache@v2
 uses: actions/cache@v3
 with:
 # In order:
 # * Module download cache
Expand DownExpand Up@@ -79,7 +79,6 @@ jobs:
 if: matrix.platform == 'ubuntu-latest'
 run: |
 go test -v ./...
 test -z "$(gofmt -d .)"
 ./.ci/check-imports.sh
 ./.ci/test-coverage.sh

Expand All@@ -95,4 +94,4 @@ jobs:

 - name: Upload-Coverage
 if: matrix.platform == 'ubuntu-latest'
 uses: codecov/codecov-action@v1
 uses: codecov/codecov-action@v2

2 changes: 1 addition & 1 deletion
appveyor.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -2,7 +2,7 @@ build: off

image: Visual Studio 2019

stack: go 1.17
stack: go 1.18

clone_folder: c:\gopath\src\gonum.org\v1\plot

Expand Down

6 changes: 3 additions & 3 deletions
cmpimg/cmpimg.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -151,9 +151,9 @@ func cmpImg(v1, v2 image.Image, delta float64) bool {
// yiqEqApprox compares the colors of 2 pixels, in the NTSC YIQ color space,
// as described in:
//
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//
// An electronic version is available at:
//
Expand Down

9 changes: 5 additions & 4 deletions
font/len.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -40,10 +40,11 @@ func Points(pt float64) Length {
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
	var unit Length = 1
	switch {
Expand Down

9 changes: 5 additions & 4 deletions
go.mod

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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
module gonum.org/v1/plot

go 1.17
go 1.18

require (
	gioui.org v0.0.0-20210308172011-57750fc8a0a6
Expand All@@ -10,14 +10,15 @@ require (
	github.com/go-fonts/liberation v0.2.0
	github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81
	github.com/go-pdf/fpdf v0.6.0
	golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3
	golang.org/x/image v0.0.0-20220302094943-723b81ca9867
	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e
	golang.org/x/image v0.0.0-20220722155232-062f8c9fd539
	gonum.org/v1/gonum v0.11.0
	rsc.io/pdf v0.1.1
)

require (
	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
	golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 // indirect
	golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e // indirect
	golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 // indirect
	golang.org/x/text v0.3.7 // indirect
)

12 changes: 8 additions & 4 deletions
go.sum

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Original file line numberDiff line numberDiff line change
Expand Up@@ -45,8 +45,11 @@ golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8U
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3 h1:n9HxLrNxWWtEb1cA950nuEEj3QnKbtsCJ6KjcgisNUs=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3/go.mod h1:NOZ3BPKG0ec/BKJQgnvsSFpcKLM5xXVWnvZS97DWHgE=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e h1:+WEEuIdZHnUeJJmEUjyYC2gfUMj69yZXw17EnHg/otA=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e/go.mod h1:Kr81I6Kryrl9sr8s2FK3vxD90NdsKWRuOIl2O4CvYbA=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e h1:pkl1Ko5DrhA4ezwKwdnmO7H1sKmMy9qLuYKRjS7SlmE=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e/go.mod h1:VjAR7z0ngyATZTELrBSkxOOHhhlnVUxDye4mcjx5h/8=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20190910094157-69e4b8554b2a/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
Expand All@@ -57,8 +60,8 @@ golang.org/x/image v0.0.0-20201208152932-35266b937fa6/go.mod h1:FeLwcggjj3mMvU+o
golang.org/x/image v0.0.0-20210607152325-775e3b0c77b9/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20211028202545-6944b10bf410/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867 h1:TcHcE0vrmgzNH1v3ppjcMGbhG5+9fMuvOmUYwNEF4q4=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539 h1:/eM0PCrQI2xd471rI+snWuu251/+/jpBpZqir2mPdnU=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539/go.mod h1:doUCurBvlfPMKfmIpRIywoHmhN3VyhnoFDbvIEWF4hY=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand All@@ -72,8 +75,9 @@ golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 h1:7+SpRyhoo46QjKkYInQXpcfxx3TYFEYkn131lwGE9/0=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 h1:id054HUawV2/6IGm2IV8KZQjqtwAOo2CYlOToYqa0d0=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
Expand Down

1 change: 0 additions & 1 deletion
palette/brewer/brewer.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -15,7 +15,6 @@
//
// For more information see:
// http://www.personal.psu.edu/cab38/ColorBrewer/ColorBrewer_learnMore.html
//
package brewer // import "gonum.org/v1/plot/palette/brewer"

import (
Expand Down

16 changes: 14 additions & 2 deletions
plot.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -494,7 +494,13 @@ func (p *Plot) NominalY(names ...string) {
//
// Supported formats are:
//
// eps, jpg|jpeg, pdf, png, svg, tex and tif|tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
	c, err := draw.NewFormattedCanvas(w, h, format)
	if err != nil {
Expand All@@ -509,7 +515,13 @@ func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
//
// Supported extensions are:
//
// .eps, .jpg, .jpeg, .pdf, .png, .svg, .tex, .tif and .tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) Save(w, h vg.Length, file string) (err error) {
	f, err := os.Create(file)
	if err != nil {
Expand Down

2 changes: 1 addition & 1 deletion
plotter/boxplot.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -87,7 +87,7 @@ type BoxPlot struct {
// NewBoxPlot returns a new BoxPlot that represents
// the distribution of the given values. The style of
// the box plot is that used for Tukey's schematic
// plots is ``Exploratory Data Analysis.''
// plots in “Exploratory Data Analysis.”
//
// An error is returned if the boxplot is created with
// no values.
Expand Down

2 changes: 1 addition & 1 deletion
plotter/heat.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -145,7 +145,7 @@ func (h *HeatMap) plotRasterized(c draw.Canvas, plt *plot.Plot) {
	pImg.Plot(c, plt)
}

// plotVectorized plots the heatmap using vector-based drawing.
// plotVectorized plots the heatmap using vector-based drawing.
func (h *HeatMap) plotVectorized(c draw.Canvas, plt *plot.Plot) {
	if h.Min > h.Max {
 panic("contour: invalid Z range: min greater than max")
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1 change: 0 additions & 1 deletion
plotter/johnson.go

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Expand Up@@ -125,7 +125,6 @@ func min(a, b int) int {
// algorithm. The implementation is from the pseudocode at
//
// http://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm?oldid=642744644
//
type tarjan struct {
	g graph

Expand Down

6 changes: 3 additions & 3 deletions
text/latex.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -50,9 +50,9 @@ func (hdlr Latex) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Latex) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
	cnv := drawtex.New()
	face := hdlr.Fonts.Lookup(fnt, fnt.Size)
Expand Down

6 changes: 3 additions & 3 deletions
text/plain.go

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Expand Up@@ -37,9 +37,9 @@ func (hdlr Plain) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Plain) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
	face := hdlr.Fonts.Lookup(fnt, fnt.Size)
	ext := face.Extents()
Expand Down

4 changes: 3 additions & 1 deletion
version.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -19,7 +19,9 @@ const root = "gonum.org/v1/plot"
//
// If a replace directive exists in the Gonum/plot go.mod, the replace will
// be reported in the version in the following format:
// "version=>[replace-path] [replace-version]"
//
//	"version=>[replace-path] [replace-version]"
//
// and the replace sum will be returned in place of the original sum.
//
// The exact version format returned by Version may change in future.
Expand Down

10 changes: 5 additions & 5 deletions
vg/draw/canvas.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -293,11 +293,11 @@ func New(c vg.CanvasSizer) Canvas {
// image format. Supported formats need to be registered by importing one or
// more of the following packages:
//
// gonum.org/v1/plot/vg/vgeps // provides eps
// gonum.org/v1/plot/vg/vgimg // provides png, jpg|jpeg, tif|tiff
// gonum.org/v1/plot/vg/vgpdf // provides pdf
// gonum.org/v1/plot/vg/vgsvg // provides svg
// gonum.org/v1/plot/vg/vgtex // provides tex
// - gonum.org/v1/plot/vg/vgeps: provides eps
// - gonum.org/v1/plot/vg/vgimg: provides png, jpg|jpeg, tif|tiff
// - gonum.org/v1/plot/vg/vgpdf: provides pdf
// - gonum.org/v1/plot/vg/vgsvg: provides svg
// - gonum.org/v1/plot/vg/vgtex: provides tex
func NewFormattedCanvas(w, h vg.Length, format string) (vg.CanvasWriterTo, error) {
	formats.RLock()
	defer formats.RUnlock()
Expand Down

9 changes: 5 additions & 4 deletions
vg/len.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -27,10 +27,11 @@ const (
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
	return font.ParseLength(value)
}

4 changes: 2 additions & 2 deletions
vg/vggio/vggio_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,8 +29,8 @@ const deltaGio = 0.05 // empirical value from experimentation.
// On GitHub Actions and on linux, that headless display may take some time to
// be properly available and appears to be setup "on demand".
// So we request it by trying to take a screenshot twice:
// - the first time around might fail
// - the second time shouldn't.
// - the first time around might fail
// - the second time shouldn't.
func init() {
	if runtime.GOOS != "linux" {
 return
Expand Down

2 changes: 1 addition & 1 deletion
vg/vgpdf/vgpdf.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,7 +33,7 @@ import (
// font files, needed by gofpdf to embed fonts in a PDF document.
// We use cp1252 (code page 1252, Windows Western) to encode characters.
// See:
// - https://en.wikipedia.org/wiki/Windows-1252
// - https://en.wikipedia.org/wiki/Windows-1252
//
// TODO: provide a Canvas-level func option to embed fonts with a user provided
// code page schema?
Expand Down

2 changes: 1 addition & 1 deletion
vg/vgsvg/vgsvg.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,7 +13,7 @@
// this issue.
//
// Alternatively, users may want to install the Liberation fonts on their system:
// - https://en.wikipedia.org/wiki/Liberation_fonts
// - https://en.wikipedia.org/wiki/Liberation_fonts
package vgsvg // import "gonum.org/v1/plot/vg/vgsvg"

import (
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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 Merged

sbinet
merged 5 commits into

from

Aug 18, 2022
 Merged


all: bump to Go-1.19
#751
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b058872

all: bump to Go-1.19


sbinet Aug 17, 2022
0d45f2c

all: apply gofmt-1.19


sbinet Aug 18, 2022
7c2d2bc

all: bump x/exp and x/image


sbinet Aug 17, 2022
07bd628

ci: bump actions/{setup-go,checkout,cache}@v3


sbinet Aug 18, 2022
9e714eb

ci: report goimports formatting errors


sbinet Aug 18, 2022

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2 changes: 2 additions & 0 deletions
.ci/check-formatting.sh

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Original file line numberDiff line numberDiff line change
@@ -1,5 +1,7 @@
#!/bin/bash

set -e

test -z "$(goimports -d .)"
if [[ -n "$(gofmt -s -l .)" ]]; then
	echo -e '\e[31mCode not gofmt simplified in:\n\n'
Expand Down

11 changes: 5 additions & 6 deletions
.github/workflows/ci.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -10,7 +10,7 @@ jobs:
 name: Build
 strategy:
 matrix:
 go-version: [1.18.x, 1.17.x]
 go-version: [1.19.x, 1.18.x]
 platform: [ubuntu-latest, macos-latest]
 runs-on: ${{ matrix.platform }}
 env:
Expand All@@ -24,18 +24,18 @@ jobs:

 steps:
 - name: Install Go
 uses: actions/setup-go@v2
 uses: actions/setup-go@v3
 with:
 go-version: ${{ matrix.go-version }}

 - name: Checkout code
 uses: actions/checkout@v2
 uses: actions/checkout@v3
 with:
 path: ${{ env.GOPATH }}/src/gonum.org/v1/plot
 fetch-depth: 1

 - name: Cache-Go
 uses: actions/cache@v2
 uses: actions/cache@v3
 with:
 # In order:
 # * Module download cache
Expand DownExpand Up@@ -79,7 +79,6 @@ jobs:
 if: matrix.platform == 'ubuntu-latest'
 run: |
 go test -v ./...
 test -z "$(gofmt -d .)"
 ./.ci/check-imports.sh
 ./.ci/test-coverage.sh

Expand All@@ -95,4 +94,4 @@ jobs:

 - name: Upload-Coverage
 if: matrix.platform == 'ubuntu-latest'
 uses: codecov/codecov-action@v1
 uses: codecov/codecov-action@v2

2 changes: 1 addition & 1 deletion
appveyor.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -2,7 +2,7 @@ build: off

image: Visual Studio 2019

stack: go 1.17
stack: go 1.18

clone_folder: c:\gopath\src\gonum.org\v1\plot

Expand Down

6 changes: 3 additions & 3 deletions
cmpimg/cmpimg.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -151,9 +151,9 @@ func cmpImg(v1, v2 image.Image, delta float64) bool {
// yiqEqApprox compares the colors of 2 pixels, in the NTSC YIQ color space,
// as described in:
//
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//Measuring perceived color difference using YIQ NTSC
//transmission color space in mobile applications.
//Yuriy Kotsarenko, Fernando Ramos.
//
// An electronic version is available at:
//
Expand Down

9 changes: 5 additions & 4 deletions
font/len.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -40,10 +40,11 @@ func Points(pt float64) Length {
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
	var unit Length = 1
	switch {
Expand Down

9 changes: 5 additions & 4 deletions
go.mod

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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
module gonum.org/v1/plot

go 1.17
go 1.18

require (
	gioui.org v0.0.0-20210308172011-57750fc8a0a6
Expand All@@ -10,14 +10,15 @@ require (
	github.com/go-fonts/liberation v0.2.0
	github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81
	github.com/go-pdf/fpdf v0.6.0
	golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3
	golang.org/x/image v0.0.0-20220302094943-723b81ca9867
	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e
	golang.org/x/image v0.0.0-20220722155232-062f8c9fd539
	gonum.org/v1/gonum v0.11.0
	rsc.io/pdf v0.1.1
)

require (
	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
	golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 // indirect
	golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e // indirect
	golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 // indirect
	golang.org/x/text v0.3.7 // indirect
)

12 changes: 8 additions & 4 deletions
go.sum

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Original file line numberDiff line numberDiff line change
Expand Up@@ -45,8 +45,11 @@ golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8U
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3 h1:n9HxLrNxWWtEb1cA950nuEEj3QnKbtsCJ6KjcgisNUs=
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3/go.mod h1:NOZ3BPKG0ec/BKJQgnvsSFpcKLM5xXVWnvZS97DWHgE=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e h1:+WEEuIdZHnUeJJmEUjyYC2gfUMj69yZXw17EnHg/otA=
golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e/go.mod h1:Kr81I6Kryrl9sr8s2FK3vxD90NdsKWRuOIl2O4CvYbA=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e h1:pkl1Ko5DrhA4ezwKwdnmO7H1sKmMy9qLuYKRjS7SlmE=
golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e/go.mod h1:VjAR7z0ngyATZTELrBSkxOOHhhlnVUxDye4mcjx5h/8=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20190910094157-69e4b8554b2a/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
Expand All@@ -57,8 +60,8 @@ golang.org/x/image v0.0.0-20201208152932-35266b937fa6/go.mod h1:FeLwcggjj3mMvU+o
golang.org/x/image v0.0.0-20210607152325-775e3b0c77b9/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20211028202545-6944b10bf410/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867 h1:TcHcE0vrmgzNH1v3ppjcMGbhG5+9fMuvOmUYwNEF4q4=
golang.org/x/image v0.0.0-20220302094943-723b81ca9867/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539 h1:/eM0PCrQI2xd471rI+snWuu251/+/jpBpZqir2mPdnU=
golang.org/x/image v0.0.0-20220722155232-062f8c9fd539/go.mod h1:doUCurBvlfPMKfmIpRIywoHmhN3VyhnoFDbvIEWF4hY=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand All@@ -72,8 +75,9 @@ golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 h1:7+SpRyhoo46QjKkYInQXpcfxx3TYFEYkn131lwGE9/0=
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 h1:id054HUawV2/6IGm2IV8KZQjqtwAOo2CYlOToYqa0d0=
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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1 change: 0 additions & 1 deletion
palette/brewer/brewer.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -15,7 +15,6 @@
//
// For more information see:
// http://www.personal.psu.edu/cab38/ColorBrewer/ColorBrewer_learnMore.html
//
package brewer // import "gonum.org/v1/plot/palette/brewer"

import (
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16 changes: 14 additions & 2 deletions
plot.go

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Expand Up@@ -494,7 +494,13 @@ func (p *Plot) NominalY(names ...string) {
//
// Supported formats are:
//
// eps, jpg|jpeg, pdf, png, svg, tex and tif|tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
	c, err := draw.NewFormattedCanvas(w, h, format)
	if err != nil {
Expand All@@ -509,7 +515,13 @@ func (p *Plot) WriterTo(w, h vg.Length, format string) (io.WriterTo, error) {
//
// Supported extensions are:
//
// .eps, .jpg, .jpeg, .pdf, .png, .svg, .tex, .tif and .tiff.
// - .eps
// - .jpg|.jpeg
// - .pdf
// - .png
// - .svg
// - .tex
// - .tif|.tiff
func (p *Plot) Save(w, h vg.Length, file string) (err error) {
	f, err := os.Create(file)
	if err != nil {
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2 changes: 1 addition & 1 deletion
plotter/boxplot.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -87,7 +87,7 @@ type BoxPlot struct {
// NewBoxPlot returns a new BoxPlot that represents
// the distribution of the given values. The style of
// the box plot is that used for Tukey's schematic
// plots is ``Exploratory Data Analysis.''
// plots in “Exploratory Data Analysis.”
//
// An error is returned if the boxplot is created with
// no values.
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2 changes: 1 addition & 1 deletion
plotter/heat.go

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Expand Up@@ -145,7 +145,7 @@ func (h *HeatMap) plotRasterized(c draw.Canvas, plt *plot.Plot) {
	pImg.Plot(c, plt)
}

// plotVectorized plots the heatmap using vector-based drawing.
// plotVectorized plots the heatmap using vector-based drawing.
func (h *HeatMap) plotVectorized(c draw.Canvas, plt *plot.Plot) {
	if h.Min > h.Max {
 panic("contour: invalid Z range: min greater than max")
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1 change: 0 additions & 1 deletion
plotter/johnson.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -125,7 +125,6 @@ func min(a, b int) int {
// algorithm. The implementation is from the pseudocode at
//
// http://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm?oldid=642744644
//
type tarjan struct {
	g graph

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6 changes: 3 additions & 3 deletions
text/latex.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -50,9 +50,9 @@ func (hdlr Latex) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Latex) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
	cnv := drawtex.New()
	face := hdlr.Fonts.Lookup(fnt, fnt.Size)
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6 changes: 3 additions & 3 deletions
text/plain.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -37,9 +37,9 @@ func (hdlr Plain) Lines(txt string) []string {
}

// Box returns the bounding box of the given non-multiline text where:
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
// - width is the horizontal space from the origin.
// - height is the vertical space above the baseline.
// - depth is the vertical space below the baseline, a positive number.
func (hdlr Plain) Box(txt string, fnt font.Font) (width, height, depth vg.Length) {
	face := hdlr.Fonts.Lookup(fnt, fnt.Size)
	ext := face.Extents()
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4 changes: 3 additions & 1 deletion
version.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -19,7 +19,9 @@ const root = "gonum.org/v1/plot"
//
// If a replace directive exists in the Gonum/plot go.mod, the replace will
// be reported in the version in the following format:
// "version=>[replace-path] [replace-version]"
//
//	"version=>[replace-path] [replace-version]"
//
// and the replace sum will be returned in place of the original sum.
//
// The exact version format returned by Version may change in future.
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10 changes: 5 additions & 5 deletions
vg/draw/canvas.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -293,11 +293,11 @@ func New(c vg.CanvasSizer) Canvas {
// image format. Supported formats need to be registered by importing one or
// more of the following packages:
//
// gonum.org/v1/plot/vg/vgeps // provides eps
// gonum.org/v1/plot/vg/vgimg // provides png, jpg|jpeg, tif|tiff
// gonum.org/v1/plot/vg/vgpdf // provides pdf
// gonum.org/v1/plot/vg/vgsvg // provides svg
// gonum.org/v1/plot/vg/vgtex // provides tex
// - gonum.org/v1/plot/vg/vgeps: provides eps
// - gonum.org/v1/plot/vg/vgimg: provides png, jpg|jpeg, tif|tiff
// - gonum.org/v1/plot/vg/vgpdf: provides pdf
// - gonum.org/v1/plot/vg/vgsvg: provides svg
// - gonum.org/v1/plot/vg/vgtex: provides tex
func NewFormattedCanvas(w, h vg.Length, format string) (vg.CanvasWriterTo, error) {
	formats.RLock()
	defer formats.RUnlock()
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9 changes: 5 additions & 4 deletions
vg/len.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -27,10 +27,11 @@ const (
// e.g. "42cm" "2.4in" "66pt"
// If no unit was given, ParseLength assumes it was (postscript) points.
// Currently valid units are:
// mm (millimeter)
// cm (centimeter)
// in (inch)
// pt (point)
//
// - mm (millimeter)
// - cm (centimeter)
// - in (inch)
// - pt (point)
func ParseLength(value string) (Length, error) {
	return font.ParseLength(value)
}

4 changes: 2 additions & 2 deletions
vg/vggio/vggio_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,8 +29,8 @@ const deltaGio = 0.05 // empirical value from experimentation.
// On GitHub Actions and on linux, that headless display may take some time to
// be properly available and appears to be setup "on demand".
// So we request it by trying to take a screenshot twice:
// - the first time around might fail
// - the second time shouldn't.
// - the first time around might fail
// - the second time shouldn't.
func init() {
	if runtime.GOOS != "linux" {
 return
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2 changes: 1 addition & 1 deletion
vg/vgpdf/vgpdf.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,7 +33,7 @@ import (
// font files, needed by gofpdf to embed fonts in a PDF document.
// We use cp1252 (code page 1252, Windows Western) to encode characters.
// See:
// - https://en.wikipedia.org/wiki/Windows-1252
// - https://en.wikipedia.org/wiki/Windows-1252
//
// TODO: provide a Canvas-level func option to embed fonts with a user provided
// code page schema?
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2 changes: 1 addition & 1 deletion
vg/vgsvg/vgsvg.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,7 +13,7 @@
// this issue.
//
// Alternatively, users may want to install the Liberation fonts on their system:
// - https://en.wikipedia.org/wiki/Liberation_fonts
// - https://en.wikipedia.org/wiki/Liberation_fonts
package vgsvg // import "gonum.org/v1/plot/vg/vgsvg"

import (
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