SelectableRoundedImageView.java 文件源码

private void configureBounds(Canvas canvas) {
    Rect clipBounds = canvas.getClipBounds();
    Matrix canvasMatrix = canvas.getMatrix();
    if (ScaleType.CENTER == this.mScaleType) {
        this.mBounds.set(clipBounds);
    } else if (ScaleType.CENTER_CROP == this.mScaleType) {
        applyScaleToRadii(canvasMatrix);
        this.mBounds.set(clipBounds);
    } else if (ScaleType.FIT_XY == this.mScaleType) {
        Matrix m = new Matrix();
        m.setRectToRect(this.mBitmapRect, new RectF(clipBounds), ScaleToFit.FILL);
        this.mBitmapShader.setLocalMatrix(m);
        this.mBounds.set(clipBounds);
    } else if (ScaleType.FIT_START == this.mScaleType || ScaleType.FIT_END == this
            .mScaleType || ScaleType.FIT_CENTER == this.mScaleType || ScaleType
            .CENTER_INSIDE == this.mScaleType) {
        applyScaleToRadii(canvasMatrix);
        this.mBounds.set(this.mBitmapRect);
    } else if (ScaleType.MATRIX == this.mScaleType) {
        applyScaleToRadii(canvasMatrix);
        this.mBounds.set(this.mBitmapRect);
    }
}