FriskyImageProperty.java 文件源码

public static  Bitmap FriskyEnhanceImage(Bitmap mBitmap, float contrast, float brightness) {
    ColorMatrix cm = new ColorMatrix(new float[]
            {
                    contrast, 0, 0, 0, brightness,
                    0, contrast, 0, 0, brightness,
                    0, 0, contrast, 0, brightness,
                    0, 0, 0, 1, 0
            });
    Bitmap BrightedImage = Bitmap.createBitmap(mBitmap.getWidth(), mBitmap.getHeight(), mBitmap
            .getConfig());
    Canvas canvas = new Canvas(BrightedImage);
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(cm));
    canvas.drawBitmap(mBitmap, 0, 0, paint);
    return BrightedImage;
}