RoundedBitmapDisplayer.java 文件源码

protected void onBoundsChange(Rect bounds) {
    super.onBoundsChange(bounds);
    this.mRect.set((float) this.margin, (float) this.margin, (float) (bounds.width() - this.margin), (float) (bounds.height() - this.margin));
    Matrix shaderMatrix = new Matrix();
    shaderMatrix.setRectToRect(this.mBitmapRect, this.mRect, ScaleToFit.FILL);
    this.bitmapShader.setLocalMatrix(shaderMatrix);
}