175 lines
3.9 KiB
C++
175 lines
3.9 KiB
C++
/* Copyright holders: Tenshi
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see COPYING for more details
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*/
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#include <stdio.h>
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#include <stdint.h>
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#define UNICODE
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#define BITMAP WINDOWS_BITMAP
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#include <windows.h>
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#undef BITMAP
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#include "../video/video.h"
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#include "win.h"
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#include "win_ddraw.h"
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#include "win_language.h"
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HBITMAP hbitmap;
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int xs, ys, ys2;
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extern "C" void pclog(const char *format, ...);
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void CopySurface(IDirectDrawSurface7 *pDDSurface)
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{
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HDC hdc, hmemdc;
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HBITMAP hprevbitmap;
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DDSURFACEDESC2 ddsd2;
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pDDSurface->GetDC(&hdc);
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hmemdc = CreateCompatibleDC(hdc);
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ZeroMemory(&ddsd2 ,sizeof( ddsd2 )); // better to clear before using
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ddsd2.dwSize = sizeof( ddsd2 ); //initialize with size
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pDDSurface->GetSurfaceDesc(&ddsd2);
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hbitmap = CreateCompatibleBitmap( hdc ,xs ,ys);
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hprevbitmap = (HBITMAP) SelectObject( hmemdc, hbitmap );
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BitBlt(hmemdc,0 ,0 ,xs ,ys ,hdc ,0 ,0,SRCCOPY);
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SelectObject(hmemdc,hprevbitmap); // restore the old bitmap
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DeleteDC(hmemdc);
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pDDSurface->ReleaseDC(hdc);
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return ;
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}
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void DoubleLines(uint8_t *dst, uint8_t *src)
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{
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int i = 0;
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for (i = 0; i < ys; i++)
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{
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memcpy(dst + (i * xs * 8), src + (i * xs * 4), xs * 4);
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memcpy(dst + ((i * xs * 8) + (xs * 4)), src + (i * xs * 4), xs * 4);
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}
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}
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static WCHAR szMessage[2048];
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void SaveBitmap(wchar_t *szFilename,HBITMAP hBitmap)
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{
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HDC hdc=NULL;
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FILE* fp=NULL;
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LPVOID pBuf=NULL;
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LPVOID pBuf2=NULL;
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BITMAPINFO bmpInfo;
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BITMAPFILEHEADER bmpFileHeader;
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do{
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hdc=GetDC(NULL);
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ZeroMemory(&bmpInfo,sizeof(BITMAPINFO));
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bmpInfo.bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
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GetDIBits(hdc,hBitmap,0,0,NULL,&bmpInfo,DIB_RGB_COLORS);
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if(bmpInfo.bmiHeader.biSizeImage<=0)
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bmpInfo.bmiHeader.biSizeImage=bmpInfo.bmiHeader.biWidth*abs(bmpInfo.bmiHeader.biHeight)*(bmpInfo.bmiHeader.biBitCount+7)/8;
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if((pBuf = malloc(bmpInfo.bmiHeader.biSizeImage))==NULL)
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{
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// pclog("ERROR: Unable to Allocate Bitmap Memory");
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break;
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}
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if (ys2 <= 250)
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{
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pBuf2 = malloc(bmpInfo.bmiHeader.biSizeImage * 2);
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}
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bmpInfo.bmiHeader.biCompression=BI_RGB;
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GetDIBits(hdc,hBitmap,0,bmpInfo.bmiHeader.biHeight,pBuf, &bmpInfo, DIB_RGB_COLORS);
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if((fp = _wfopen(szFilename,L"wb"))==NULL)
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{
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_swprintf(szMessage, win_language_get_string_from_id(2194), szFilename);
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msgbox_error_wstr(ghwnd, szMessage);
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break;
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}
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bmpFileHeader.bfReserved1=0;
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bmpFileHeader.bfReserved2=0;
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if (pBuf2)
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{
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bmpInfo.bmiHeader.biSizeImage <<= 1;
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bmpInfo.bmiHeader.biHeight <<= 1;
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}
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bmpFileHeader.bfSize=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+bmpInfo.bmiHeader.biSizeImage;
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bmpFileHeader.bfType=0x4D42;
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bmpFileHeader.bfOffBits=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER);
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fwrite(&bmpFileHeader,sizeof(BITMAPFILEHEADER),1,fp);
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fwrite(&bmpInfo.bmiHeader,sizeof(BITMAPINFOHEADER),1,fp);
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if (pBuf2)
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{
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DoubleLines((uint8_t *) pBuf2, (uint8_t *) pBuf);
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fwrite(pBuf2,bmpInfo.bmiHeader.biSizeImage,1,fp);
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}
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else
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{
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fwrite(pBuf,bmpInfo.bmiHeader.biSizeImage,1,fp);
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}
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}while(false);
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if(hdc) ReleaseDC(NULL,hdc);
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if(pBuf2) free(pBuf2);
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if(pBuf) free(pBuf);
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if(fp) fclose(fp);
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}
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void ddraw_common_take_screenshot(wchar_t *fn, IDirectDrawSurface7 *pDDSurface)
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{
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xs = xsize;
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ys = ys2 = ysize;
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/* For EGA/(S)VGA, the size is NOT adjusted for overscan. */
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if ((overscan_y > 16) && enable_overscan)
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{
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xs += overscan_x;
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ys += overscan_y;
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}
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/* For CGA, the width is adjusted for overscan, but the height is not. */
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if (overscan_y == 16)
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{
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if (ys2 <= 250)
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ys += (overscan_y >> 1);
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else
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ys += overscan_y;
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}
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CopySurface(pDDSurface);
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SaveBitmap(fn, hbitmap);
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}
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