CircleBitmapDisplayer.java 文件源码

protected void onBoundsChange(Rect bounds) {
    super.onBoundsChange(bounds);
    this.mRect.set(0.0f, 0.0f, (float) bounds.width(), (float) bounds.height());
    this.radius = (float) (Math.min(bounds.width(), bounds.height()) / 2);
    this.strokeRadius = this.radius - (this.strokeWidth / 2.0f);
    Matrix shaderMatrix = new Matrix();
    shaderMatrix.setRectToRect(this.mBitmapRect, this.mRect, ScaleToFit.FILL);
    this.bitmapShader.setLocalMatrix(shaderMatrix);
}