// ConsoleApplication7.cpp: define el punto de entrada de la aplicación de consola.
//

#include "stdafx.h"

#include <stdio.h>
#include <Windows.h>
#include <d3d9.h>
#include <d3dx9.h>
#include <D3dx9tex.h>

#include <iostream>
#include <fstream>
using namespace std;

#pragma comment( lib, "d3d9.lib" )
#pragma comment( lib, "d3dx9.lib" )



void main()
{
	CoInitialize(NULL);

	LPDIRECT3D9 d3d9;
	LPDIRECT3DDEVICE9 d3ddev;
	d3d9 = Direct3DCreate9(D3D_SDK_VERSION);

	int ww = GetSystemMetrics(SM_CXSCREEN);
	int wh = GetSystemMetrics(SM_CYSCREEN);

	HWND hwnd = GetDesktopWindow();
	D3DPRESENT_PARAMETERS d3dpp;
	ZeroMemory(&d3dpp, sizeof(d3dpp));
	d3dpp.Windowed = TRUE;
	d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
	d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
	d3dpp.BackBufferCount = 3;
	d3dpp.BackBufferWidth = ww;
	d3dpp.BackBufferHeight = wh;
	d3dpp.MultiSampleType = D3DMULTISAMPLE_NONE;
	d3dpp.MultiSampleQuality = 0;
	d3dpp.EnableAutoDepthStencil = TRUE;
	d3dpp.AutoDepthStencilFormat = D3DFMT_D16;
	d3dpp.hDeviceWindow = hwnd;
	d3dpp.Flags = D3DPRESENTFLAG_LOCKABLE_BACKBUFFER;
	d3dpp.FullScreen_RefreshRateInHz = D3DPRESENT_RATE_DEFAULT;
	d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_DEFAULT;

	d3d9->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hwnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &d3dpp, &d3ddev);

	IDirect3DSurface9* render;
	IDirect3DSurface9* dest;

	int i = 0;
	while (i++ < 100){
		
	d3ddev->CreateOffscreenPlainSurface(ww, wh, D3DFMT_A8R8G8B8, D3DPOOL_SYSTEMMEM, &dest, NULL);
	
	d3ddev->GetFrontBufferData(0, dest);

	
	
	
	LPD3DXBUFFER buffer;
	D3DXSaveSurfaceToFileInMemory(&buffer, D3DXIFF_JPG, dest, NULL, NULL);
	DWORD imSize = buffer->GetBufferSize();
	void* imgBuffer = buffer->GetBufferPointer();

	fstream out;
	
	///////////////////////
	char file[100];
	snprintf(file, 100, "toni%d.jpg", i);
	////////////////////
	out.open(file, std::ios_base::binary | std::ios_base::out);
	out.write((char*)imgBuffer, imSize);
	out.clear();
	out.close();

	dest->Release();
	
	}
	



	
	
	d3ddev->Release();
	d3d9->Release();

	CoUninitialize();
}