//-----------------------------------------------------------------------------
// Name: InitSurfaces()
// Desc: This function reads the bitmap file FRNTBACK.BMP and stores half of it
// in offscreen surface 1 and the other half in offscreen surface 2.
//-----------------------------------------------------------------------------
static BOOL
InitSurfaces()
{
HBITMAP hbm;
#if 0
// Load our bitmap resource.
hbm = DDGetBitmapHandle(hInstance,szBitmap);
if (hbm == NULL)
return FALSE;
DDCopyBitmap(g_pDDSOne, hbm, 0, 0, 640, 480);
DDCopyBitmap(g_pDDSTwo, hbm, 0, 480, 640, 480);
DeleteObject(hbm);
#endif
return TRUE;
}
/*
* DDLoadBitmap:
* create a DirectDrawSurface from a bitmap resource.
*/
LPDIRECTDRAWSURFACE DDLoadBitmap(LPCSTR szBitmap, int dx, int dy)
{
HBITMAP hbm;
BITMAP bm;
DDSURFACEDESC ddsd;
IDirectDrawSurface *pdds;
hbm = (HBITMAP)LoadImage(NULL, szBitmap, IMAGE_BITMAP, dx, dy, LR_LOADFROMFILE | LR_CREATEDIBSECTION);
if (hbm == NULL) {
return NULL;
}
// get size of the bitmap
GetObject(hbm, sizeof(bm), &bm); // get size of bitmap
// create a DirectDrawSurface for this bitmap
ZeroMemory(&ddsd, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
ddsd.dwWidth = bm.bmWidth;
ddsd.dwHeight = bm.bmHeight;
if (lpDD->CreateSurface(&ddsd, &pdds, NULL) != DD_OK) {
return NULL;
}
DDCopyBitmap(pdds, hbm, 0, 0, 0, 0);
DeleteObject(hbm);
return pdds;
}
/*
* DDReLoadBitmap:
* load a bitmap from a file or resource into a directdraw surface.
* normaly used to re-load a surface after a restore.
*/
HRESULT DDReLoadBitmap(LPDIRECTDRAWSURFACE pdds, LPCSTR szBitmap)
{
HBITMAP hbm;
HRESULT hr;
hbm = (HBITMAP)LoadImage(NULL, szBitmap, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION);
if (hbm == NULL) {
OutputDebugString("handle is null\n");
return E_FAIL;
}
hr = DDCopyBitmap(pdds, hbm, 0, 0, 0, 0);
if (hr != DD_OK) {
OutputDebugString("ddcopybitmap failed\n");
}
DeleteObject(hbm);
return hr;
}
