76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
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/******************************Module*Header*******************************\
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* Module Name: mtkbmp.cxx
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*
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* mtk bitmap
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*
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* Copyright (c) 1997 Microsoft Corporation
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*
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\**************************************************************************/
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#include "mtk.hxx"
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#include "mtkbmp.hxx"
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/******************************Public*Routine******************************\
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*
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\**************************************************************************/
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MTKBMP::MTKBMP( HDC hdcWinArg )
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{
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hBitmap = NULL;
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hdcWin = hdcWinArg;
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hdc = CreateCompatibleDC( hdcWin );
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size.width = size.height = 0;
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}
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MTKBMP::~MTKBMP()
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{
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if( hBitmap )
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DeleteObject( hBitmap );
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}
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BOOL
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MTKBMP::Resize( ISIZE *pSize )
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{
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if( (pSize->width <= 0) || (pSize->height <= 0) ) {
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SS_ERROR( "MTKBMP::Resize : Invalid size parameters\n" );
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return FALSE;
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}
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if( (pSize->width == size.width) && (pSize->height == size.height) )
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// Same size
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return TRUE;
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size = *pSize;
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PVOID pvBits; //mf: doesn't seem like we need this
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#if 1
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// Use system palette
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//mf: don't know why we have to use hdcWin here, but if I use hdc, get
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// error : 'not OBJ_DC'
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HBITMAP hbmNew =
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SSDIB_CreateCompatibleDIB(hdcWin, NULL, size.width, size.height, &pvBits);
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#else
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//mf: uhh, this never worked or something, right ?
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// Use log palette
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HBITMAP hbmNew = SSDIB_CreateCompatibleDIB(hdcWin,
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gpssPal ? gpssPal->hPal : NULL,
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size.width, size.height, &pvBits);
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#endif
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if (hbmNew)
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{
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if( hBitmap != NULL )
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{
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SelectObject( hdc, hBitmap );
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DeleteObject( hBitmap );
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}
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hBitmap = hbmNew;
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SelectObject( hdc, hBitmap );
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}
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return TRUE;
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}
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/******************************Public*Routine******************************\
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\**************************************************************************/
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