CircularImageView/CircularImageView.java at master · grahamsmith/CircularImageView · GitHub

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packagecom.wisemandesigns.android.widgets;

importandroid.annotation.SuppressLint;
importandroid.content.Context;
importandroid.graphics.Bitmap;
importandroid.graphics.BitmapShader;
importandroid.graphics.Canvas;
importandroid.graphics.Color;
importandroid.graphics.Paint;
importandroid.graphics.Shader;
importandroid.graphics.drawable.BitmapDrawable;
importandroid.util.AttributeSet;
importandroid.widget.ImageView;

publicclassCircularImageViewextendsImageView {

privateintborderWidth = 5;
privateintviewWidth;
privateintviewHeight;
privateBitmapimage;
privatePaintpaint;
privatePaintpaintBorder;
privateBitmapShadershader;

publicCircularImageView(Contextcontext) {
super(context);
setup();
	}

publicCircularImageView(Contextcontext, AttributeSetattrs) {
super(context, attrs);
setup();
	}

publicCircularImageView(Contextcontext, AttributeSetattrs, intdefStyle) {
super(context, attrs, defStyle);
setup();
	}

privatevoidsetup()
	{
// init paint
paint = newPaint();
paint.setAntiAlias(true);

paintBorder = newPaint();
setBorderColor(Color.BLUE);
paintBorder.setAntiAlias(true);
	}

publicvoidsetBorderWidth(intborderWidth)
	{
this.borderWidth = borderWidth;
this.invalidate();
	}

publicvoidsetBorderColor(intborderColor)
	{
if(paintBorder != null)
paintBorder.setColor(borderColor);

this.invalidate();
	}

privatevoidloadBitmap()
	{
BitmapDrawablebitmapDrawable = (BitmapDrawable) this.getDrawable();

if(bitmapDrawable != null)
image = bitmapDrawable.getBitmap();
	}

@SuppressLint("DrawAllocation")
@Override
publicvoidonDraw(Canvascanvas)
	{
//load the bitmap
loadBitmap();

// init shader
if(image !=null)
 {
shader = newBitmapShader(Bitmap.createScaledBitmap(image, canvas.getWidth(), canvas.getHeight(), false), Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
paint.setShader(shader);
intcircleCenter = viewWidth / 2;

// circleCenter is the x or y of the view's center
// radius is the radius in pixels of the cirle to be drawn
// paint contains the shader that will texture the shape
canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, circleCenter + borderWidth, paintBorder);
canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, circleCenter, paint);
 }
	}

@Override
protectedvoidonMeasure(intwidthMeasureSpec, intheightMeasureSpec)
	{
intwidth = measureWidth(widthMeasureSpec);
intheight = measureHeight(heightMeasureSpec, widthMeasureSpec);

viewWidth = width - (borderWidth *2);
viewHeight = height - (borderWidth*2);

setMeasuredDimension(width, height);
	}

privateintmeasureWidth(intmeasureSpec)
	{
intresult = 0;
intspecMode = MeasureSpec.getMode(measureSpec);
intspecSize = MeasureSpec.getSize(measureSpec);

if (specMode == MeasureSpec.EXACTLY) {
// We were told how big to be
result = specSize;
 } else {
// Measure the text
result = viewWidth;

 }

returnresult;
	}

privateintmeasureHeight(intmeasureSpecHeight, intmeasureSpecWidth) {
intresult = 0;
intspecMode = MeasureSpec.getMode(measureSpecHeight);
intspecSize = MeasureSpec.getSize(measureSpecHeight);

if (specMode == MeasureSpec.EXACTLY) {
// We were told how big to be
result = specSize;
 } else {
// Measure the text (beware: ascent is a negative number)
result = viewHeight;
 }
returnresult;
 }
}