37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
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#include <windows.h>
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#include <stdlib.h>
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HPALETTE CreateDIBPalette( BITMAPINFO *info )
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{
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unsigned num_colours, i;
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LOGPALETTE *palette;
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HPALETTE palette_handle;
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RGBQUAD *quads;
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num_colours = info->bmiHeader.biClrUsed;
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if( num_colours == 0 && info->bmiHeader.biBitCount != 24 ) {
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num_colours = 1 << info->bmiHeader.biBitCount;
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}
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palette_handle = (HPALETTE)0;
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if( num_colours ) {
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palette = malloc( sizeof( LOGPALETTE ) +
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num_colours * sizeof( PALETTEENTRY ) );
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if( palette == NULL ) return( (HPALETTE)0 );
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palette->palNumEntries = num_colours;
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palette->palVersion = 0x300;
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quads = &info->bmiColors[0];
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for( i = 0; i < num_colours; i++ ) {
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palette->palPalEntry[i].peRed = quads[i].rgbRed;
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palette->palPalEntry[i].peGreen = quads[i].rgbGreen;
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palette->palPalEntry[i].peBlue = quads[i].rgbBlue;
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palette->palPalEntry[i].peFlags = 0;
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}
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palette_handle = CreatePalette( palette );
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free( palette );
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}
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return( palette_handle );
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}
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