KLineView.java 文件源码

/**
 * 创建裁剪的背景图片
 * 
 * @param paint
 * @param path
 * @param bitmap
 * @return
 */
private Bitmap creatBitmap(Paint paint, Path path, Bitmap bitmap) {
    Canvas newCanvas = new Canvas(bitmap);
    newCanvas.setDrawFilter(new PaintFlagsDrawFilter(0,
            Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG));
    newCanvas.clipPath(path, Region.Op.INTERSECT);
    newCanvas.drawBitmap(mGradientLine, 0, 0, paint);
    return bitmap;
}