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