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#include "StdAfx.h"
#include "Screenshot.h"
#include <vector>
#include <iomanip>
#include <boost/thread.hpp>
#include "FileSystem/FileSystem.h"
#include "FileSystem/FileHandler.h"
#include "ConfigHandler.h"
#include "Rendering/Textures/Bitmap.h"
#include "GlobalUnsynced.h"
#include "LogOutput.h"
#undef CreateDirectory
struct FunctionArgs
{
boost::uint8_t* buf;
std::string filename;
int x;
int y;
};
class SaverThread
{
public:
SaverThread() : myThread(NULL), finished(false) {};
~SaverThread()
{
if (myThread)
{
myThread->join();
delete myThread;
}
};
void AddTask(FunctionArgs arg)
{
{
boost::mutex::scoped_lock mylock(myMutex);
tasks.push_back(arg);
Update();
}
if (!myThread)
{
finished = false;
myThread = new boost::thread(boost::bind(&SaverThread::SaveStuff, this));
}
};
void Update()
{
if (finished && myThread)
{
myThread->join();
delete myThread;
myThread = NULL;
finished = false;
}
};
private:
bool GetTask(FunctionArgs& args)
{
boost::mutex::scoped_lock mylock(myMutex);
if (!tasks.empty())
{
args = tasks.front();
tasks.pop_front();
return true;
}
else
{
return false;
}
}
void SaveStuff()
{
FunctionArgs args;
while (GetTask(args))
{
CBitmap b(args.buf, args.x, args.y);
delete[] args.buf;
b.ReverseYAxis();
b.Save(args.filename);
LogObject() << "Saved: " << args.filename;
}
finished = true;
};
boost::mutex myMutex;
boost::thread* myThread;
volatile bool finished;
std::list<FunctionArgs> tasks;
};
SaverThread screenshotThread;
void TakeScreenshot(std::string type)
{
if (type.empty())
type = "png";
if (filesystem.CreateDirectory("screenshots"))
{
FunctionArgs args;
args.x = gu->dualScreenMode? gu->viewSizeX << 1: gu->viewSizeX;
args.y = gu->viewSizeY;
if (args.x % 4)
args.x += (4 - args.x % 4);
for (int a = configHandler->Get("ScreenshotCounter", 0); a <= 99999; ++a)
{
std::ostringstream fname;
fname << "screenshots/screen" << std::setfill('0') << std::setw(5) << a << '.' << type;
CFileHandler ifs(fname.str());
if (!ifs.FileExists())
{
configHandler->Set("ScreenshotCounter", a < 99999 ? a+1 : 0);
args.filename = fname.str();
break;
}
}
args.buf = new boost::uint8_t[args.x * args.y * 4];
glReadPixels(0, 0, args.x, args.y, GL_RGBA, GL_UNSIGNED_BYTE, args.buf);
screenshotThread.AddTask(args);
}
}
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