FriskyImageProperty.java 文件源码

public static Bitmap FriskyContrast(Bitmap bitmap,int Value)
{
    ColorMatrix colorMatrix = new ColorMatrix();
    colorMatrix.set(new float[] {
            Value, 0, 0, 0, 1,
            0, Value, 0, 0, 1,
            0, 0, Value, 0, 1,
            0, 0, 0, Value, 0   });

    Bitmap BrightedImage = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), bitmap
            .getConfig());
    Canvas canvas = new Canvas(BrightedImage);
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(colorMatrix));
    canvas.drawBitmap(bitmap, 0, 0, paint);
    return BrightedImage;

}