mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-11-27 09:36:15 +00:00
291 lines
6.7 KiB
C++
291 lines
6.7 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 of the
|
|
// License, or (at your option) 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 Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#include "nel/misc/file.h"
|
|
#include "nel/misc/bitmap.h"
|
|
#include "nel/misc/path.h"
|
|
#include "nel/misc/debug.h"
|
|
|
|
#include <iostream>
|
|
|
|
void writeInstructions()
|
|
{
|
|
std::cout << "Syntax: textures_optimizer [-a] [-g] <input>" << std::endl;
|
|
std::cout << std::endl;
|
|
std::cout << " Try to optimize TGA or PNG textures by removing useless alpha channel or converting a RGB with black and white values to grayscale" << std::endl;
|
|
std::cout << " By default, it only make checks and display if texture can optimized or not" << std::endl;
|
|
std::cout << std::endl;
|
|
std::cout << "with" << std::endl;
|
|
std::cout << "-a : Remove alpha channel if useless (255)" << std::endl;
|
|
std::cout << "-g : Convert to grayscale if all pixels are gray" << std::endl;
|
|
std::cout << "-t : Apply texture optimizations (same as -a -g)" << std::endl;
|
|
std::cout << "-m : Apply mask optimizations (convert to grayscale using red value and remove alpha)" << std::endl;
|
|
std::cout << std::endl;
|
|
std::cout << "-h or -? for this help" << std::endl;
|
|
std::cout << std::endl;
|
|
}
|
|
|
|
bool FixAlpha = false;
|
|
bool FixGrayscale = false;
|
|
bool TextureOptimizations = false;
|
|
bool MaskOptimizations = false;
|
|
|
|
std::vector<std::string> InputFilenames;
|
|
|
|
bool parseOptions(int argc, char **argv)
|
|
{
|
|
// process each argument
|
|
for(sint i = 1; i < argc; ++i)
|
|
{
|
|
std::string option = argv[i];
|
|
|
|
if (option.length() > 0)
|
|
{
|
|
bool isOption = option[0] == '-';
|
|
|
|
#ifdef NL_OS_WINDOWS
|
|
// authorize / for options only under Windows,
|
|
// because under Linux it could be a full path
|
|
if (!isOption) isOption = (option[0] == '/');
|
|
#endif
|
|
|
|
// Option
|
|
if (isOption)
|
|
{
|
|
// remove option prefix
|
|
option = option.substr(1);
|
|
|
|
// Fix alpha
|
|
if (option == "a")
|
|
{
|
|
FixAlpha = true;
|
|
}
|
|
// Fix grayscale
|
|
else if (option == "g")
|
|
{
|
|
FixGrayscale = true;
|
|
}
|
|
// Texture optimizations
|
|
else if (option == "t")
|
|
{
|
|
TextureOptimizations = true;
|
|
FixAlpha = true;
|
|
FixGrayscale = true;
|
|
}
|
|
// Mask optimizations
|
|
else if (option == "m")
|
|
{
|
|
MaskOptimizations = true;
|
|
}
|
|
else if (option == "h" || option == "?")
|
|
{
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
nlwarning("Unknown option -%s", option.c_str());
|
|
|
|
return false;
|
|
}
|
|
}
|
|
// Filename
|
|
else
|
|
{
|
|
std::string ext = NLMISC::toLower(NLMISC::CFile::getExtension(option));
|
|
|
|
if (ext == "png" || ext == "tga")
|
|
{
|
|
InputFilenames.push_back(option);
|
|
}
|
|
else
|
|
{
|
|
nlwarning("Only PNG and TGA files supported, %s won't be processed", option.c_str());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return !InputFilenames.empty();
|
|
}
|
|
|
|
#include "nel/misc/system_utils.h"
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
NLMISC::CApplicationContext applicationContext;
|
|
|
|
if (!parseOptions(argc, argv))
|
|
{
|
|
writeInstructions();
|
|
return 0;
|
|
}
|
|
|
|
for(uint i = 0; i < InputFilenames.size(); ++i)
|
|
{
|
|
std::string ext = NLMISC::toLower(NLMISC::CFile::getExtension(InputFilenames[i]));
|
|
|
|
NLMISC::CIFile input;
|
|
|
|
if (!input.open(InputFilenames[i]))
|
|
{
|
|
std::cerr << "Unable to open " << InputFilenames[i] << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
NLMISC::CBitmap bitmap;
|
|
|
|
// all 8 bits textures are grayscale and not alpha
|
|
bitmap.loadGrayscaleAsAlpha(false);
|
|
|
|
uint8 depth = bitmap.load(input);
|
|
|
|
// don't need file so close it
|
|
input.close();
|
|
|
|
if (depth == 0)
|
|
{
|
|
std::cerr << "Unable to decode " << InputFilenames[i] << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
bool modified = false;
|
|
bool hasAlpha = false;
|
|
bool isGrayscale = false;
|
|
|
|
if (bitmap.getPixelFormat() == NLMISC::CBitmap::RGBA && depth == 32)
|
|
{
|
|
hasAlpha = true;
|
|
}
|
|
else if (bitmap.getPixelFormat() == NLMISC::CBitmap::AlphaLuminance)
|
|
{
|
|
hasAlpha = true;
|
|
isGrayscale = true;
|
|
}
|
|
else if (bitmap.getPixelFormat() == NLMISC::CBitmap::Luminance)
|
|
{
|
|
isGrayscale = true;
|
|
}
|
|
else if (bitmap.getPixelFormat() == NLMISC::CBitmap::Alpha)
|
|
{
|
|
hasAlpha = true;
|
|
isGrayscale = true;
|
|
}
|
|
|
|
if (MaskOptimizations && (!isGrayscale || hasAlpha))
|
|
{
|
|
std::cout << InputFilenames[i] << " (mask with wrong format)" << std::endl;
|
|
|
|
if (!isGrayscale)
|
|
{
|
|
// get a pointer on original RGBA data
|
|
uint32 size = bitmap.getPixels().size();
|
|
uint32 *data = (uint32*)bitmap.getPixels().getPtr();
|
|
uint32 *endData = (uint32*)((uint8*)data + size);
|
|
|
|
NLMISC::CRGBA *color = NULL;
|
|
|
|
// process all pixels
|
|
while(data < endData)
|
|
{
|
|
color = (NLMISC::CRGBA*)data;
|
|
|
|
// copy red value to green and blue,
|
|
// because only red is used for mask
|
|
color->B = color->G = color->R;
|
|
|
|
// make opaque
|
|
color->A = 255;
|
|
|
|
++data;
|
|
}
|
|
}
|
|
|
|
// already in grayscale, just remove alpha
|
|
bitmap.convertToType(NLMISC::CBitmap::Luminance);
|
|
|
|
isGrayscale = true;
|
|
hasAlpha = false;
|
|
modified = true;
|
|
}
|
|
else
|
|
{
|
|
if (!isGrayscale && bitmap.isGrayscale())
|
|
{
|
|
std::cout << InputFilenames[i] << " (grayscale image with RGB colors)" << std::endl;
|
|
|
|
if (FixGrayscale)
|
|
{
|
|
if (!bitmap.convertToType(hasAlpha ? NLMISC::CBitmap::AlphaLuminance:NLMISC::CBitmap::Luminance))
|
|
{
|
|
std::cerr << "Unable to convert to Luminance" << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
isGrayscale = true;
|
|
modified = true;
|
|
}
|
|
}
|
|
|
|
uint8 alpha = 0;
|
|
|
|
if (hasAlpha && bitmap.isAlphaUniform(&alpha))
|
|
{
|
|
std::cout << InputFilenames[i] << " (image with uniform alpha channel " << (sint)alpha << ")" << std::endl;
|
|
|
|
if (FixAlpha && alpha == 255)
|
|
{
|
|
bitmap.makeOpaque();
|
|
|
|
hasAlpha = false;
|
|
modified = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!modified) continue;
|
|
|
|
NLMISC::COFile output;
|
|
|
|
if (!output.open(InputFilenames[i]))
|
|
{
|
|
std::cerr << "Unable to open" << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
uint32 newDepth = isGrayscale ? 8:24;
|
|
|
|
if (hasAlpha) newDepth += 8;
|
|
|
|
bool res = false;
|
|
|
|
if (ext == "png")
|
|
{
|
|
res = bitmap.writePNG(output, newDepth);
|
|
}
|
|
else if (ext == "tga")
|
|
{
|
|
res = bitmap.writePNG(output, newDepth);
|
|
}
|
|
|
|
if (!res)
|
|
{
|
|
std::cerr << "Unable to encode" << std::endl;
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|