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CRender.cxx
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CRender.cxx
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#include "CRender.hxx"
#include "glfw3.h"
#include <thread>
#include <vector>
#define SIZE 600
inline TPixel GetColor(char color){
switch(color){
case 0:
return TPixel(0,0,0);
break;
case 1:
return TPixel(0,0,128);
break;
case 2:
return TPixel(0,128,0);
break;
case 3:
return TPixel(0,128,128);
break;
case 4:
return TPixel(128,0,0);
break;
case 5:
return TPixel(128,0,128);
break;
case 6:
return TPixel(128,128,0);
break;
case 7:
return TPixel(128,128,128);
break;
case 8:
return TPixel(64,64,64);
break;
case 9:
return TPixel(0,0,255);
break;
case 10:
return TPixel(0,255,0);
break;
case 11:
return TPixel(0,255,255);
break;
case 12:
return TPixel(255,0,0);
break;
case 13:
return TPixel(255,0,255);
break;
case 14:
return TPixel(255,255,0);
break;
case 15:
return TPixel(255,255,255);
break;
}
return TPixel();
};
/*
inline TPixel GetColor(char color){
switch(color){
case 0:
return TPixel(0,0,0);
break;
case 1:
return TPixel(16,16,16);
break;
case 2:
return TPixel(32,32,32);
break;
case 3:
return TPixel(48,48,48);
break;
case 4:
return TPixel(64,64,64);
break;
case 5:
return TPixel(80,80,80);
break;
case 6:
return TPixel(96,96,96);
break;
case 7:
return TPixel(112,112,112);
break;
case 8:
return TPixel(128,128,128);
break;
case 9:
return TPixel(144,144,144);
break;
case 10:
return TPixel(160,160,160);
break;
case 11:
return TPixel(176,176,176);
break;
case 12:
return TPixel(192,192,192);
break;
case 13:
return TPixel(208,208,208);
break;
case 14:
return TPixel(224,224,224);
break;
case 15:
return TPixel(255,255,255);
break;
}
return TPixel();
};
*/
CRender::CRender()
{
_AvailableThreads = std::thread::hardware_concurrency();
};
CRender::~CRender()
{
};
void CRender::_ThreadUpdate(TPixel* data, TPictureData picture, int start, int end)
{
for (int i = start; i < end; ++i)
for (int j = 0; j < SIZE; ++j)
data[i+(SIZE-1-j)*SIZE] = GetColor(picture[i][j]);
};
void CRender::DrawPicture(CPicture *pPicture)
{
TPictureData pd;
pd = pPicture->GetData();
TPixel* data = new TPixel[SIZE*SIZE];
std::vector<thread> threads;
for (int i = 0; i < _AvailableThreads; i++)
threads.push_back(std::thread(&CRender::_ThreadUpdate, this, data, pd, SIZE / _AvailableThreads * i, SIZE / _AvailableThreads * (i + 1)));
for (auto &th : threads)
th.join();
glDrawPixels(SIZE, SIZE, GL_RGB, GL_UNSIGNED_BYTE, data);
glFinish();
delete []data;
};