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Better palette generating algorithm.

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svn path=/trunk/; revision=7614
This commit is contained in:
Filip Navara 2004-01-13 19:45:31 +00:00
parent 1057df8763
commit 109bff5226
1 changed files with 4 additions and 10 deletions
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14
reactos/drivers/video/displays/framebuf/palette.c
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@ -63,7 +63,6 @@ IntInitDefaultPalette(
{
ULONG ColorLoop;
PPALETTEENTRY PaletteEntryPtr;
BYTE Red = 0, Green = 0, Blue = 0;
if (ppdev->BitsPerPixel > 8)
{
@ -73,8 +72,7 @@ IntInitDefaultPalette(
}
else
{
ppdev->PaletteEntries = EngAllocMem(FL_ZERO_MEMORY,
sizeof(PALETTEENTRY) << 8, ALLOC_TAG);
ppdev->PaletteEntries = EngAllocMem(0, sizeof(PALETTEENTRY) << 8, ALLOC_TAG);
if (ppdev->PaletteEntries == NULL)
{
return FALSE;
@ -84,14 +82,10 @@ IntInitDefaultPalette(
ColorLoop != 0;
ColorLoop--, PaletteEntryPtr++)
{
PaletteEntryPtr->peRed = Red;
PaletteEntryPtr->peGreen = Green;
PaletteEntryPtr->peBlue = Blue;
PaletteEntryPtr->peRed = ((ColorLoop >> 5) & 7) * 255 / 7;
PaletteEntryPtr->peGreen = ((ColorLoop >> 3) & 3) * 255 / 3;
PaletteEntryPtr->peBlue = (ColorLoop & 7) * 255 / 7;
PaletteEntryPtr->peFlags = 0;
if (!(Red += 32))
if (!(Green += 32))
Blue += 64;
}
memcpy(ppdev->PaletteEntries, BASEPALETTE, 10 * sizeof(PALETTEENTRY));