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/*
* The Mana Client
* Copyright (C) 2008-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
*
* This file is part of The Mana Client.
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <iostream>
#include <SDL/SDL.h>
#include <SDL/SDL_image.h>
#include "dye.h"
#include "imagewriter.h"
using namespace std;
// return values
enum ReturnValues
{
RETURN_OK = 0,
INVALID_PARAMETER_LIST = 100,
INVALID_INPUT_IMAGE = 101,
INVALID_OUTPUT_IMAGE = 102,
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); <-- We'll free the surface later.
Uint32 *pixels = static_cast< Uint32 * >(surf->pixels);
for (Uint32 *p_end = pixels + surf->w * surf->h; pixels != p_end; ++pixels)
{
int alpha = (*pixels >> rgba.Ashift) & 255;
if (!alpha) continue;
int v[3];
v[0] = (*pixels >> rgba.Rshift) & 255;
v[1] = (*pixels >> rgba.Gshift) & 255;
v[2] = (*pixels >> rgba.Bshift) & 255;
dye->update(v);
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
*pixels = (v[0] << 24) | (v[1] << 16) | (v[2] << 8) | alpha;
#else
*pixels = v[0] | (v[1] << 8) | (v[2] << 16) | (alpha << 24);
#endif
}
return surf;
}
void printHelp()
{
cout << endl
<< "This tool is used to dye item graphics used by the Mana client "
<< "according to the specification described here: "
<< endl << "http://doc.manasource.org/image_dyeing_system"
<< endl << endl <<
"The tool expects 3 parameters:" << endl
<< "dyecmd <source_image> <target_image> <dye_string>" << endl
<< "e.g.:" << endl
<< "dyecmd \"armor-legs-shorts.png\" "
<<"\"armor-legs-shorts2.png\" \"W:#222255,6666ff\"" << std::endl;
}
int main(int argc, char* argv[])
{
Dye* dye = NULL;
SDL_Surface* source = NULL, *target = NULL;
ReturnValues returnValue = RETURN_OK;
if (argc > 1 && (!strcmp(argv[1], "--help") || !strcmp(argv[1], "-h")))
{
printHelp();
}
// not enough or to many parameters
else if (argc != 4)
{
cout << INVALID_PARAMETER_LIST << " - INVALID_PARAMETER_LIST";
printHelp();
returnValue = INVALID_PARAMETER_LIST;
}
else
{
// Start dyeing process.
string inputFile = argv[1];
string outputFile = argv[2];
string dyeDescription = argv[3];
dye = new Dye(dyeDescription);
if (!dye->loaded())
{
cout << INVALID_DYE_PARAMETER << " - INVALID_DYE_PARAMETER";
printHelp();
returnValue = INVALID_DYE_PARAMETER;
}
else
{
source = IMG_Load(inputFile.c_str());
if (!source)
{
cout << INVALID_INPUT_IMAGE << " - INVALID_INPUT_IMAGE";
printHelp();
returnValue = INVALID_INPUT_IMAGE;
}
else
{
target = recolor(source, dye);
if (!ImageWriter::writePNG(target, outputFile))
{
cout << INVALID_OUTPUT_IMAGE << " - INVALID_OUTPUT_IMAGE";
printHelp();
returnValue = INVALID_OUTPUT_IMAGE;
}
} // Valid source image file
} // Valid dye parameter
} // Parameters ok
if (source)
SDL_FreeSurface(source);
if (target)
SDL_FreeSurface(target);
if (dye)
delete dye;
return returnValue;
}
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