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/**
* @file llimage_libtest.cpp
* @author Merov Linden
* @brief Integration test for the llimage library
*
* $LicenseInfo:firstyear=2011&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2011, Linden Research, Inc.
*
* 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;
* version 2.1 of the License only.
*
* 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "llpointer.h"
#include "llimage_libtest.h"
// Linden library includes
#include "llimage.h"
#include "llimagejpeg.h"
#include "llimagepng.h"
#include "llimagebmp.h"
#include "llimagetga.h"
#include "llimagej2c.h"
#include "lldir.h"
// system libraries
#include <iostream>
static const char USAGE[] = "\n"
"usage:\tllimage_libtest [options]\n"
"\n"
" --help print this help\n"
"\n";
LLPointer<LLImageRaw> load_image(const std::string &src_filename)
{
std::string exten = gDirUtilp->getExtension(src_filename);
U32 codec = LLImageBase::getCodecFromExtension(exten);
LLPointer<LLImageFormatted> image;
switch (codec)
{
case IMG_CODEC_BMP:
image = new LLImageBMP();
break;
case IMG_CODEC_TGA:
image = new LLImageTGA();
break;
case IMG_CODEC_JPEG:
image = new LLImageJPEG();
break;
case IMG_CODEC_J2C:
image = new LLImageJ2C();
break;
case IMG_CODEC_PNG:
image = new LLImagePNG();
break;
default:
return NULL;
}
if (!image->load(src_filename))
{
return NULL;
}
if( (image->getComponents() != 3) && (image->getComponents() != 4) )
{
std::cout << "Image files with less than 3 or more than 4 components are not supported\n";
return NULL;
}
LLPointer<LLImageRaw> raw_image = new LLImageRaw;
if (!image->decode(raw_image, 0.0f))
{
return NULL;
}
return raw_image;
}
bool save_image(const std::string &filepath, LLPointer<LLImageRaw> raw_image)
{
std::string exten = gDirUtilp->getExtension(filepath);
U32 codec = LLImageBase::getCodecFromExtension(exten);
LLPointer<LLImageFormatted> image;
switch (codec)
{
case IMG_CODEC_BMP:
image = new LLImageBMP();
break;
case IMG_CODEC_TGA:
image = new LLImageTGA();
break;
case IMG_CODEC_JPEG:
image = new LLImageJPEG();
break;
case IMG_CODEC_J2C:
image = new LLImageJ2C();
break;
case IMG_CODEC_PNG:
image = new LLImagePNG();
break;
default:
return NULL;
}
if (!image->encode(raw_image, 0.0f))
{
return false;
}
return image->save(filepath);
}
int main(int argc, char** argv)
{
// Init whatever is necessary
ll_init_apr();
LLImage::initClass();
// Analyze command line arguments
for (int arg=1; arg<argc; ++arg)
{
if (!strcmp(argv[arg], "--help"))
{
// always send the usage to standard out
std::cout << USAGE << std::endl;
return 0;
}
}
// List of (input,output) files
// Load file
LLPointer<LLImageRaw> raw_image = load_image("lolcat-monorail.jpg");
if (raw_image)
{
std::cout << "Image loaded\n" << std::endl;
}
else
{
std::cout << "Image not found\n" << std::endl;
}
// Save file
if (raw_image)
{
save_image("monorail.png",raw_image);
}
// Output stats on each file
// Cleanup and exit
LLImage::cleanupClass();
return 0;
}
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