/*
* HaoRan ImageFilter Classes v0.1
* Copyright (C) 2012 Zhenjun Dai
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation.
*/
package com.marshalchen.common.uimodule.ImageFilter;
import android.graphics.Color;
/**
* ɫ����Ч
* @author daizhj
*
*/
public class TintFilter implements IImageFilter {
public Image process(Image imageIn)
{
int tr = Color.RED;
int tg = Color.GREEN;
int tb = Color.BLUE;
int r,g,b;
for (int x = 0; x < imageIn.getWidth(); x++) {
for (int y = 0; y < imageIn.getHeight(); y++) {
r = (255-imageIn.getRComponent(x, y));
g = (255-imageIn.getGComponent(x, y));
b = (255-imageIn.getBComponent(x, y));
// Convert to gray with constant factors 0.2126, 0.7152, 0.0722
int gray = (r * 6966 + g * 23436 + b * 2366) >> 15;
// Apply Tint color
r = (byte)((gray * tr) >> 8);
g = (byte)((gray * tg) >> 8);
b = (byte)((gray * tb) >> 8);
imageIn.setPixelColor(x,y,r,g,b);
}
}
return imageIn;
}
}