33 lines
1.1 KiB
C++
33 lines
1.1 KiB
C++
// dibpal.cpp
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//
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#include "stdafx.h"
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#include "dib256.h"
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#include "dibpal.h"
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CBmpPalette::CBmpPalette( CDIBitmap* pBmp )
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{
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ASSERT( pBmp );
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int cPaletteEntries = pBmp->GetPalEntries();
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int cPalette = sizeof(LOGPALETTE) +
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sizeof(PALETTEENTRY) * cPaletteEntries;
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// Since the LOGPALETTE structure is open-ended, you
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// must dynamically allocate it, rather than using one
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// off the stack.
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LOGPALETTE* pPal = (LOGPALETTE*)new BYTE[cPalette];
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RGBQUAD* pColorTab = pBmp->GetColorTablePtr();
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pPal->palVersion = 0x300;
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pPal->palNumEntries = cPaletteEntries;
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// Roll through the color table, and add each color to
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// the logical palette.
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for( int ndx = 0; ndx < cPaletteEntries; ndx++ )
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{
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pPal->palPalEntry[ndx].peRed = pColorTab[ndx].rgbRed;
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pPal->palPalEntry[ndx].peGreen = pColorTab[ndx].rgbGreen;
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pPal->palPalEntry[ndx].peBlue = pColorTab[ndx].rgbBlue;
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pPal->palPalEntry[ndx].peFlags = NULL;
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}
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VERIFY( CreatePalette( pPal ) );
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delete [] (BYTE*)pPal;
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}
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