/*
* 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.kaixin.android.filter;
/**
* �������AndroidImage����
* @author daizhj
*
*/
public class ImageBlender {
public float Mixture = 0.9f;//0.5f
public static class BlendMode
{
public static int Normal = 0;
public static int Additive = 1;
public static int Subractive = 2;
public static int Multiply = 3;
public static int Overlay = 4;
public static int ColorDodge = 5;
public static int ColorBurn = 6;
public static int Lighten = 7;
public static int Darken = 8;
public static int Reflect = 9;
public static int Glow = 10;
public static int LinearLight = 11;
public static int Frame = 12;/*photo frame*/
}
public int Mode = BlendMode.Multiply;
public Image Blend(Image source1, Image source2)
{
int num = (int) (Mixture * 255f);
int num2 = 255 - num;
for (int x = 0; x < source1.getWidth(); x++)
{
for (int y = 0; y < source1.getHeight(); y++)
{
int r = 0, g = 0, b = 0;
int r1 = source1.getRComponent(x, y);
int g1 = source1.getGComponent(x, y);
int b1 = source1.getBComponent(x, y);
int r2 = source2.getRComponent(x, y);
int g2 = source2.getGComponent(x, y);
int b2 = source2.getBComponent(x, y);
switch (Mode)
{
case 1:{//Additive
r = r1 + r2;
g = g1 + g2;
b = b1 + b2;
r = (r > 255) ? 255 : r;
g = (g > 255) ? 255 : g;
b = (b > 255) ? 255 : b;
break;
}
case 2:{//Subractive
r = r1 + r2;
g = g1 + g2;
b = b1 + b2;
r = (r < 255) ? 0 : (r - 255);
g = (g < 255) ? 0 : (g - 255);
b = (b < 255) ? 0 : (b - 255);
break;
}
case 3:{//Multiply
r = (r1 * r2) / 255;
g = (g1 * g2) / 255;
b = (b1 * b2) / 255;
break;
}
case 4:{//Overlay
r = (r2 < 0x80) ? (((2 * r1) * r2) / 255) : (255 - (((2 * (255 - r1)) * (255 - r2)) / 255));
g = (g2 < 0x80) ? (((2 * g1) * g2) / 255) : (255 - (((2 * (255 - g1)) * (255 - g2)) / 255));
b = (b2 < 0x80) ? (((2 * b1) * b2) / 255) : (255 - (((2 * (255 - b1)) * (255 - b2)) / 255));
break;
}
case 5:{//ColorDodge
r = (r1 << 8) / (255 - ((r2 != 255) ? r2 : 0xfe));
g = (g1 << 8) / (255 - ((g2 != 255) ? g2 : 0xfe));
b = (b1 << 8) / (255 - ((b2 != 255) ? b2 : 0xfe));
r = (r2 == 255) ? r2 : ((r < 255) ? r : 255);
g = (g2 == 255) ? g2 : ((g < 255) ? g : 255);
b = (b2 == 255) ? b2 : ((b < 255) ? b : 255);
break;
}
case 6:{//ColorBurn
r = 255 - (((255 - r1) << 8) / ((r2 != 0) ? r2 : 1));
g = 255 - (((255 - g1) << 8) / ((g2 != 0) ? g2 : 1));
b = 255 - (((255 - b1) << 8) / ((b2 != 0) ? b2 : 1));
r = (r2 == 0) ? r2 : ((r > 0) ? r : 0);
g = (g2 == 0) ? g2 : ((g > 0) ? g : 0);
b = (b2 == 0) ? b2 : ((b > 0) ? b : 0);
break;
}
case 7://Lighten
r = (r2 > r1) ? r2 : r1;
g = (g2 > g1) ? g2 : g1;
b = (b2 > b1) ? b2 : b1;
break;
case 8:{//Darken
r = (r2 > r1) ? r1 : r2;
g = (g2 > g1) ? g1 : g2;
b = (b2 > b1) ? b1 : b2;
break;
}
case 9:{//Reflect
r = (r1 * r1) / (255 - ((r2 != 255) ? r2 : 0xfe));
g = (g1 * g1) / (255 - ((g2 != 255) ? g2 : 0xfe));
b = (b1 * b1) / (255 - ((b2 != 255) ? b2 : 0xfe));
r = (r2 == 255) ? r2 : ((r < 255) ? r : 255);
g = (g2 == 255) ? g2 : ((g < 255) ? g : 255);
b = (b2 == 255) ? b2 : ((b < 255) ? b : 255);
break;
}
case 10:{//Glow
r = (r2 * r2) / (255 - ((r1 != 255) ? r1 : 0xfe));
g = (g2 * g2) / (255 - ((g1 != 255) ? g1 : 0xfe));
b = (b2 * b2) / (255 - ((b1 != 255) ? b1 : 0xfe));
r = (r1 == 255) ? r1 : ((r < 255) ? r : 255);
g = (g1 == 255) ? g1 : ((g < 255) ? g : 255);
b = (b1 == 255) ? b1 : ((b < 255) ? b : 255);
break;
}
case 11:{//LinearLight
/*if (r2 >= 128){
r = r1 + (2 * (r2 - 128));
r = (r > 255) ? 255 : r;
break;
}
r = r1 + (2 * r2);
r = (r < 255) ? 0 : (r - 255);
*/
if (r2 < 128)
{
r = r1 + (2 * r2);
r = (r < 255) ? 0 : (r - 255);
}
else
{
r = r1 + (2 * (r2 - 128));
r = (r > 255) ? 255 : r;
}
if (g2 < 128)
{
g = g1 + (2 * g2);
g = (g < 255) ? 0 : (g - 255);
}
else
{
g = g1 + (2 * (g2 - 128));
g = (g > 255) ? 255 : g;
}
if (b2 < 128)
{
b = b1 + (2 * b2);
b = (b < 255) ? 0 : (b - 255);
}
else
{
b = b1 + (2 * (b2 - 128));
b = (b > 255) ? 255 : b;
}
break;
}
case 12:{ //Frame
if((r2 ==0 && g2 == 0 && r2 ==0)){//̽��߿���ɫ(r2 > 230 && g2 > 230 && b2 > 230) ||
r = r1;
g = g1;
b = b1;
}
else{
r = r2;
g = g2;
b = b2;
}
break;
}
default:
r = r2;
g = g2;
b = b2;
break;
}
r = (r1 * num2) + (r * num);
g = (g1 * num2) + (g * num);
b = (b1 * num2) + (b * num);
source1.setPixelColor(x, y, r >> 8, g >> 8, b >> 8);
//input1.setPixelColour(x, y, r, g, b);
}
}
return source1;
}
}