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#include "DarkGDK.h"
#include "globstruct.h"
#define DIK_SYSRQ           0xB7			/* PrintScreen key */
#define TARGET_DIRECTORY	"SnapShot\\"	/* Folder name where screen captures will be sent (IT REQUIRES THE 2 BACKSLASHES IN THE "SnapShot" NAME */



void  SaveBitmap(char *szFilename,HBITMAP hBitmap)
{

      HDC        hdc=NULL;
      FILE*      fp=NULL;
      LPVOID     pBuf=NULL;
      BITMAPINFO bmpInfo;
      BITMAPFILEHEADER  bmpFileHeader; 

      do{ 
            hdc=GetDC(NULL);
            ZeroMemory(&bmpInfo,sizeof(BITMAPINFO));
            bmpInfo.bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
            GetDIBits(hdc,hBitmap,0,0,NULL,&bmpInfo,DIB_RGB_COLORS); 

            if(bmpInfo.bmiHeader.biSizeImage<=0)
				bmpInfo.bmiHeader.biSizeImage=bmpInfo.bmiHeader.biWidth*abs(bmpInfo.bmiHeader.biHeight)*(bmpInfo.bmiHeader.biBitCount+7)/8;

            if((pBuf = malloc(bmpInfo.bmiHeader.biSizeImage))==NULL)
            {
                  MessageBox( NULL, "Unable to Allocate Bitmap Memory", "Error", MB_OK|MB_ICONERROR);
                  break;
            }           
            bmpInfo.bmiHeader.biCompression=BI_RGB;
            GetDIBits(hdc,hBitmap,0,bmpInfo.bmiHeader.biHeight,pBuf, &bmpInfo, DIB_RGB_COLORS);       
            if((fp = fopen(szFilename,"wb"))==NULL)
            {
				//Probably didn't have a directory to put snapshots into.
                  dbMakeDirectory ( TARGET_DIRECTORY ); 
				  if((fp = fopen(szFilename,"wb"))==NULL)
					{
						MessageBox( NULL, "Unable to Create Bitmap File", "Error", MB_OK|MB_ICONERROR);
						break;
					}
            } 
            bmpFileHeader.bfReserved1=0;
            bmpFileHeader.bfReserved2=0;
            bmpFileHeader.bfSize=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+bmpInfo.bmiHeader.biSizeImage;
            bmpFileHeader.bfType='MB';
            bmpFileHeader.bfOffBits=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER); 
            fwrite(&bmpFileHeader,sizeof(BITMAPFILEHEADER),1,fp);
            fwrite(&bmpInfo.bmiHeader,sizeof(BITMAPINFOHEADER),1,fp);
            fwrite(pBuf,bmpInfo.bmiHeader.biSizeImage,1,fp); 
      }while(false); 

	  if(hdc)     
		  ReleaseDC(NULL,hdc); 
	  if(pBuf)    
		  free(pBuf); 
	  if(fp)      
		  fclose(fp);
}


void CaptureScreen(char *szFilename)
{
    int nScreenWidth = dbScreenWidth( );
    int nScreenHeight = dbScreenHeight( );
    HWND hGamescreenWnd = g_pGlob->hWnd;
    HDC hGamescreenDC = GetDC(hGamescreenWnd);
    HDC hCaptureDC = CreateCompatibleDC(hGamescreenDC);
    HBITMAP hCaptureBitmap =CreateCompatibleBitmap(hGamescreenDC, nScreenWidth, nScreenHeight);
    SelectObject(hCaptureDC,hCaptureBitmap); 
    BitBlt(hCaptureDC, 0, 0, nScreenWidth, nScreenHeight, hGamescreenDC, 0, 0, SRCCOPY|CAPTUREBLT); 

	SaveBitmap( szFilename, hCaptureBitmap);

    ReleaseDC(hGamescreenWnd,hGamescreenDC);
    DeleteDC(hCaptureDC);
    DeleteObject(hCaptureBitmap);
}


void ScreenCaptureTest(void)
{
	char szTempStr [ 128 ];
	char szTempStr2 [ 128 ];
	int image_iID = 65535;
	int static iPictureTaken;

	//Control picture taking so it happens only once every key press.
	if ((dbScanCode ( ) == DIK_SYSRQ) && (!iPictureTaken) )
	{
		
		// Build the Picture file name
		strcpy( szTempStr, TARGET_DIRECTORY);
		strcpy( szTempStr2, dbGetDate$( ));
		szTempStr2 [2] = szTempStr2 [3];
		szTempStr2 [3] = szTempStr2 [4];
		szTempStr2 [4] = szTempStr2 [6];
		szTempStr2 [5] = szTempStr2 [7];
		szTempStr2 [6] = szTempStr2 [8];
		strcat( szTempStr, szTempStr2);
		strcpy( szTempStr2, dbGetTime$( ));
		szTempStr2 [2] = szTempStr2 [3];
		szTempStr2 [3] = szTempStr2 [4];
		szTempStr2 [4] = szTempStr2 [6];
		szTempStr2 [5] = szTempStr2 [7];
		szTempStr2 [6] = szTempStr2 [8];
		strcat( szTempStr, szTempStr2);
		strcat( szTempStr, ".BMP");

		CaptureScreen(szTempStr);

		//Set the picture taken flag
		iPictureTaken = 1;
	}
	if ( (dbScanCode ( ) != DIK_SYSRQ) && (iPictureTaken) )
	{
		//Clear the picture taken flag
		iPictureTaken = 0;
	}
}