我需要使用此选项创建图像。图像必须是白色,例如灰度,但是使用红色混合,在这种情况下,我使用的是Bitmap,Paint和Canvas,但是当应用程序启动时,代码仅适用灰度。你能帮我吗?
private Drawable getStylishImage (Bitmap bitmap){
ColorMatrix matrix = new ColorMatrix();
matrix.setSaturation(0);
ColorMatrixColorFilter colorMatrixFilter = new ColorMatrixColorFilter(matrix);
ColorFilter filter = new LightingColorFilter(Color.RED, 0);
Bitmap mutableBitmap = bitmap.copy(Bitmap.Config.ARGB_8888, true);
Canvas canvas = new Canvas(mutableBitmap);
Paint paint = new Paint();
paint.setColorFilter(new PorterDuffColorFilter(Color.RED, PorterDuff.Mode.MULTIPLY));
paint.setColorFilter(colorMatrixFilter);
canvas.drawBitmap(mutableBitmap, 0, 0, paint);
return new BitmapDrawable(getResources(), mutableBitmap);
}