BitmapProcessing.java 文件源码

public static Bitmap tint(Bitmap src, int color) {
    // image size
    int width = src.getWidth();
    int height = src.getHeight();
    // create output bitmap

    // create a mutable empty bitmap
    Bitmap bmOut = Bitmap.createBitmap(width, height, src.getConfig());

    Paint p = new Paint(Color.RED);
    ColorFilter filter = new LightingColorFilter(color, 1);
    p.setColorFilter(filter);

    Canvas c = new Canvas();
    c.setBitmap(bmOut);     
    c.drawBitmap(src, 0, 0, p);

    src.recycle();
    src = null;

    return bmOut;
}