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/*
render/screenshot.cc
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#include "auxiliary/functions.h"
#include "core/core.h"
#include "filesystem/filesystem.h"
#include "render/state.h"
#include "render/screenshot.h"
#include "render/image.h"
#include "render/jpgfile.h"
#include "render/pngfile.h"
#include "render/tgafile.h"
#include "render/gl.h"
namespace render {
core::Cvar *Screenshot::screenshotformat = 0;
core::Cvar *Screenshot::screenshotquality = 0;
int Screenshot::number = 0;
void Screenshot::save()
{
bool available = false;
std::string shortname;
std::string filename;
const int TYPETGA = 0;
const int TYPEPNG = 1;
const int TYPEJPG = 2;
int filetype = TYPETGA;
// make sure the screenshots folder exists
filename.assign(filesystem::writedir());
filename.append("screenshots");
if (!sys::directory_exists(filename)) {
sys::mkdir(filename);
}
filename += '/';
aux::lowercase(screenshotformat->str());
if ((screenshotformat->str().compare("jpg") == 0) || (screenshotformat->str().compare("jpeg") == 0)) {
filetype = TYPEJPG;
if (screenshotquality->value() < 10) {
(*screenshotquality) = 10;
} else if (screenshotquality->value() > 100) {
(*screenshotquality) = 100;
}
} else if (screenshotformat->str().compare("png") == 0) {
filetype = TYPEPNG;
} else if (screenshotformat->str().compare("tga") == 0) {
filetype = TYPETGA;
} else {
filetype = TYPETGA;
(*screenshotformat) = "tga";
}
// find the first available screenshotxxxx
do {
std::stringstream nstr;
nstr << number;
shortname.assign(nstr.str());
while(shortname.size() < 4)
shortname.insert(0, 1, '0');
shortname.insert(0, "screenshots/osirion");
shortname.append(".");
shortname.append(screenshotformat->str());
filename.assign(filesystem::writedir());
filename.append(shortname);
FILE *handle = fopen(filename.c_str(), "r");
if (handle) {
fclose(handle);
} else {
available = true;
}
number++;
} while (!available);
render::Image image(State::width(), State::height(), 3);
glReadPixels(0, 0, (GLsizei) State::width(), (GLsizei) State::height(),
GL_RGB, GL_UNSIGNED_BYTE, (void *) image.data());
image.flip();
if (filetype == TYPEPNG) {
/* if ((Camera::width() % 8 != 0 ) || (Camera::height() % 8 != 0 )) {
image.pad();
}*/
render::PNG::save(filename.c_str(), image);
} else if (filetype == TYPEJPG) {
/* if ((Camera::width() % 8 != 0 ) || (Camera::height() % 8 != 0 )) {
image.pad();
}
*/
render::JPG::save(filename.c_str(), image, (int) screenshotquality->value());
} else if (filetype == TYPETGA) {
render::TGA::save(filename.c_str(), image);
}
}
} // namsepace render
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