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/*
* The Mana World
* Copyright 2008 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* The Mana World 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <iostream>
#include <SDL/SDL.h>
#include <SDL/SDL_image.h>
#include "dye.h"
#include "imagewriter.h"
using namespace std;
// return values
#define RETURN_OK 1
#define INVALID_PARAMETER_LIST 100
#define INVALID_INPUT_IMAGE 101
#define INVALID_OUTPUT_IMAGE 102
#define INVALID_DYE_PARAMETER 105
SDL_Surface* recolor(SDL_Surface* tmpImage, Dye* dye)
{
SDL_PixelFormat rgba;
rgba.palette = NULL;
rgba.BitsPerPixel = 32;
rgba.BytesPerPixel = 4;
rgba.Rmask = 0xFF000000; rgba.Rloss = 0; rgba.Rshift = 24;
rgba.Gmask = 0x00FF0000; rgba.Gloss = 0; rgba.Gshift = 16;
rgba.Bmask = 0x0000FF00; rgba.Bloss = 0; rgba.Bshift = 8;
rgba.Amask = 0x000000FF; rgba.Aloss = 0; rgba.Ashift = 0;
rgba.colorkey = 0;
rgba.alpha = 255;
SDL_Surface *surf = SDL_ConvertSurface(tmpImage, &rgba, SDL_SWSURFACE);
//SDL_FreeSurface(tmpImage);
Uint32 *pixels = static_cast< Uint32 * >(surf->pixels);
for (Uint32 *p_end = pixels + surf->w * surf->h; pixels != p_end; ++pixels)
{
int alpha = *pixels & 255;
if (!alpha) continue;
int v[3];
v[0] = (*pixels >> 24) & 255;
v[1] = (*pixels >> 16) & 255;
v[2] = (*pixels >> 8 ) & 255;
dye->update(v);
*pixels = (v[0] << 24) | (v[1] << 16) | (v[2] << 8) | alpha;
}
return surf;
}
int main(int argc, char* argv[])
{
Dye* dye = NULL;
SDL_Surface* source = NULL;
// not enough or to many parameters
if (argc != 4)
{
cout << INVALID_PARAMETER_LIST << " - INVALID_PARAMETER_LIST";
exit(INVALID_PARAMETER_LIST);
}
try
{
dye = new Dye(argv[3]);
}
catch (exception &e)
{
cout << INVALID_DYE_PARAMETER << " - INVALID_DYE_PARAMETER";
exit(INVALID_DYE_PARAMETER);
}
try
{
source = IMG_Load(argv[1]);
if (!source)
{
throw;
}
}
catch (exception &e)
{
cout << INVALID_INPUT_IMAGE << " - INVALID_INPUT_IMAGE";
exit(INVALID_INPUT_IMAGE);
}
SDL_Surface* target = recolor(source, dye);
if (!ImageWriter::writePNG(target, argv[2]))
{
cout << INVALID_OUTPUT_IMAGE << " - INVALID_OUTPUT_IMAGE";
exit(INVALID_OUTPUT_IMAGE);
}
SDL_FreeSurface(source);
SDL_FreeSurface(target);
delete dye;
return 0;
}
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