mirror of
https://github.com/DxWnd/DxWnd.reloaded
synced 2024-12-30 09:25:35 +01:00
64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
#define _CRT_SECURE_NO_WARNINGS
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#define INITGUID
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//#define FULLHEXDUMP
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#include <windows.h>
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#include <ddraw.h>
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#include "dxwnd.h"
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#include "dxhook.h"
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#include "ddrawi.h"
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#include "dxwcore.hpp"
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#include "stdio.h"
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#include "hddraw.h"
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#include "ddproxy.h"
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#include "dxhelper.h"
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#include "syslibs.h"
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extern GetDC_Type pGetDC;
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extern ReleaseDC_Type pReleaseDC;
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extern Unlock1_Type pUnlock1;
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void BlitToWindow(HWND w, LPDIRECTDRAWSURFACE s)
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{
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HDC shdc, thdc;
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RECT client;
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HRESULT res;
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BOOL ret;
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if(!s) return; // for surface color fill
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res=(*pGetDC)(s, &shdc);
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if(res) {
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OutTrace("ddraw GetDC error lpdds=%x res=%x(%s)\n", s, res, ExplainDDError(res));
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return;
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}
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thdc=(*pGDIGetDC)(w);
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if(!thdc) {
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OutTrace("GDI GetDC error=%d\n", GetLastError());
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return;
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}
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client = dxw.MapClientRect(NULL);
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if(dxw.dwFlags5 & CENTERTOWIN){
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int x, y;
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x = (client.left + client.right - dxw.GetScreenWidth()) >> 1; // right-shift 1 bit means divide by 2!
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y = (client.top + client.bottom - dxw.GetScreenHeight()) >> 1;
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ret=(*pGDIBitBlt)(thdc, x, y, dxw.GetScreenWidth(), dxw.GetScreenHeight(), shdc, 0, 0, SRCCOPY);
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if(!ret) OutTrace("BitBlt error=%d\n", GetLastError());
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}
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else{
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if(dxw.dwFlags5 & BILINEARFILTER) {
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ret=SetStretchBltMode(thdc, HALFTONE);
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if((!ret) || (ret==ERROR_INVALID_PARAMETER)) OutTrace("GDI SetStretchBltMode error=%d\n", GetLastError());
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}
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ret=(*pGDIStretchBlt)(thdc,
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client.left, client.top, client.right-client.left, client.bottom-client.top,
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shdc, 0, 0, dxw.GetScreenWidth(), dxw.GetScreenHeight(), SRCCOPY);
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if(!ret) OutTrace("GDI StretchBlt error=%d\n", GetLastError());
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}
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dxw.ShowOverlay(thdc);
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res=(*pReleaseDC)(s, shdc);
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if(res) OutTrace("ddraw ReleaseDC error lpdds=%x res=%x(%s)\n", s, res, ExplainDDError(res));
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ret=(*pGDIReleaseDC)(w, thdc);
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if(!ret) OutTrace("GDI ReleaseDC error=%d\n", GetLastError());
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}
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