Method nativeColorToAlpha

src/com/cloudream/ishow/algorithm/Effect.java:303–303

(int color, Bitmap src, Bitmap dst)

	
	private static native void nativeGrayToAlpha(Bitmap src, Bitmap dst);
	private static native void nativeColorToAlpha(int color, Bitmap src, Bitmap dst);
	
	private static native void nativeSelectContiguousRegionByColor(Bitmap mask, Bitmap image, int color, int select_criterion,
			float threshold, boolean antialias, boolean select_transparent);