/******************************************************************************
* SOFA, Simulation Open-Framework Architecture *
* (c) 2006 INRIA, USTL, UJF, CNRS, MGH *
* *
* This program 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; either version 2.1 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 Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
*******************************************************************************
* Authors: The SOFA Team and external contributors (see Authors.txt) *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
#include <sofa/gl/Capture.h>
#include <sofa/helper/system/SetDirectory.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <cstdio> // sprintf and friends
#include <sofa/helper/logging/Messaging.h>
namespace sofa::gl
{
Capture::Capture()
: prefix("capture"), counter(-1)
{
}
bool Capture::saveScreen(const std::string& filename, int compression_level)
{
std::string extension = sofa::helper::system::SetDirectory::GetExtension(filename.c_str());
std::transform(extension.begin(), extension.end(), extension.begin(), ::tolower);
//test if we can export in lossless image
const bool imageSupport = helper::io::Image::FactoryImage::getInstance()->hasKey(extension);
if (!imageSupport)
{
msg_error("Capture") << "Could not write " << extension << "image format (no support found)";
return false;
}
helper::io::Image* img = helper::io::Image::FactoryImage::getInstance()->createObject(extension, "");
bool success = false;
if (img)
{
GLint viewport[4];
glGetIntegerv(GL_VIEWPORT, viewport);
img->init(viewport[2], viewport[3], 1, 1, helper::io::Image::UNORM8, helper::io::Image::RGB);
glReadBuffer(GL_FRONT);
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glReadPixels(viewport[0], viewport[1], viewport[2], viewport[3], GL_RGB, GL_UNSIGNED_BYTE, img->getPixels());
success = img->save(filename, compression_level);
if (success)
{
msg_info("Capture") << "Saved " << img->getWidth() << "x" << img->getHeight() << " screen image to " << filename;
}
glReadBuffer(GL_BACK);
delete img;
}
if(!success)
{
msg_error("Capture") << "Unknown error while saving screen image to " << filename;
}
return success;
}
std::string Capture::findFilename()
{
const bool pngSupport = helper::io::Image::FactoryImage::getInstance()->hasKey("png")
|| helper::io::Image::FactoryImage::getInstance()->hasKey("PNG");
const bool bmpSupport = helper::io::Image::FactoryImage::getInstance()->hasKey("bmp")
|| helper::io::Image::FactoryImage::getInstance()->hasKey("BMP");
std::string filename = "";
if(!pngSupport && !bmpSupport)
return filename;
char buf[32];
int c;
c = 0;
struct stat st;
do
{
++c;
sprintf(buf, "%08d",c);
filename = prefix;
filename += buf;
if(pngSupport)
filename += ".png";
else
filename += ".bmp";
}
while (stat(filename.c_str(),&st)==0);
counter = c+1;
sprintf(buf, "%08d",c);
'sprintf' is deprecated: This function is provided for compatibility reasons only. Due to security concerns inherent in the design of sprintf(3), it is highly recommended that you use snprintf(3) instead.