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[WIN32K/NTGDI]

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- Better semi-implementation of CreateHalftonePalette

svn path=/trunk/; revision=63677
This commit is contained in:
Jérôme Gardou 2014-06-30 18:27:44 +00:00
parent 2bfabe5522
commit 0f7a53e999
2 changed files with 61 additions and 89 deletions
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146
reactos/win32ss/gdi/ntgdi/palette.c
View file

@ -65,7 +65,7 @@ InitPaletteImpl()
// Create default palette (20 system colors)
gppalDefault = PALETTE_AllocPalWithHandle(PAL_INDEXED,
20,
(PULONG)g_sysPalTemplate,
g_sysPalTemplate,
0, 0, 0);
GDIOBJ_vReferenceObjectByPointer(&gppalDefault->BaseObject);
PALETTE_UnlockPalette(gppalDefault);
@ -132,7 +132,7 @@ NTAPI
PALETTE_AllocPalette(
_In_ ULONG iMode,
_In_ ULONG cColors,
_In_opt_ PULONG pulColors,
_In_opt_ const PALETTEENTRY* pEntries,
_In_ FLONG flRed,
_In_ FLONG flGreen,
_In_ FLONG flBlue)
@ -174,12 +174,10 @@ PALETTE_AllocPalette(
if (iMode & PAL_INDEXED)
{
/* Check if we got a color array */
if (pulColors)
if (pEntries)
{
/* Copy the entries */
RtlCopyMemory(ppal->IndexedColors,
pulColors,
cColors * sizeof(ULONG));
RtlCopyMemory(ppal->IndexedColors, pEntries, cColors * sizeof(pEntries[0]));
}
}
else if (iMode & PAL_BITFIELDS)
@ -208,7 +206,7 @@ NTAPI
PALETTE_AllocPalWithHandle(
_In_ ULONG iMode,
_In_ ULONG cColors,
_In_opt_ PULONG pulColors,
_In_opt_ const PALETTEENTRY* pEntries,
_In_ FLONG flRed,
_In_ FLONG flGreen,
_In_ FLONG flBlue)
@ -216,7 +214,7 @@ PALETTE_AllocPalWithHandle(
PPALETTE ppal;
/* Allocate the palette without a handle */
ppal = PALETTE_AllocPalette(iMode, cColors, pulColors, flRed, flGreen, flBlue);
ppal = PALETTE_AllocPalette(iMode, cColors, pEntries, flRed, flGreen, flBlue);
if (!ppal) return NULL;
/* Insert the palette into the handle table */
@ -382,7 +380,7 @@ EngCreatePalette(
PPALETTE ppal;
HPALETTE hpal;
ppal = PALETTE_AllocPalette(iMode, cColors, pulColors, flRed, flGreen, flBlue);
ppal = PALETTE_AllocPalette(iMode, cColors, (PPALETTEENTRY)pulColors, flRed, flGreen, flBlue);
if (!ppal) return NULL;
hpal = GDIOBJ_hInsertObject(&ppal->BaseObject, GDI_OBJ_HMGR_PUBLIC);
@ -454,7 +452,7 @@ GreCreatePaletteInternal(
pLogPal->palNumEntries = cEntries;
ppal = PALETTE_AllocPalWithHandle(PAL_INDEXED,
cEntries,
(PULONG)pLogPal->palPalEntry,
pLogPal->palPalEntry,
0, 0, 0);
if (ppal != NULL)
@ -512,107 +510,81 @@ NtGdiCreatePaletteInternal(
return hpal;
}
HPALETTE APIENTRY NtGdiCreateHalftonePalette(HDC hDC)
HPALETTE
APIENTRY
NtGdiCreateHalftonePalette(HDC hDC)
{
int i, r, g, b;
struct {
WORD Version;
WORD NumberOfEntries;
PALETTEENTRY aEntries[256];
} Palette;
PALETTEENTRY PalEntries[256];
PPALETTE ppal;
PDC pdc;
HPALETTE hpal = NULL;
Palette.Version = 0x300;
Palette.NumberOfEntries = 256;
if (IntGetSystemPaletteEntries(hDC, 0, 256, Palette.aEntries) == 0)
pdc = DC_LockDc(hDC);
if (!pdc)
{
/* From WINE, more that 256 color math */
Palette.NumberOfEntries = 20;
for (i = 0; i < Palette.NumberOfEntries; i++)
{
Palette.aEntries[i].peRed=0xff;
Palette.aEntries[i].peGreen=0xff;
Palette.aEntries[i].peBlue=0xff;
Palette.aEntries[i].peFlags=0x00;
}
EngSetLastError(ERROR_INVALID_HANDLE);
return NULL;
}
Palette.aEntries[0].peRed=0x00;
Palette.aEntries[0].peBlue=0x00;
Palette.aEntries[0].peGreen=0x00;
RtlZeroMemory(PalEntries, sizeof(PalEntries));
/* The first 6 */
for (i=1; i <= 6; i++)
{
Palette.aEntries[i].peRed=(i%2)?0x80:0;
Palette.aEntries[i].peGreen=(i==2)?0x80:(i==3)?0x80:(i==6)?0x80:0;
Palette.aEntries[i].peBlue=(i>3)?0x80:0;
}
/* First and last ten entries are default ones */
for (i = 0; i < 10; i++)
{
PalEntries[i].peRed = g_sysPalTemplate[i].peRed;
PalEntries[i].peGreen = g_sysPalTemplate[i].peGreen;
PalEntries[i].peBlue = g_sysPalTemplate[i].peBlue;
for (i=7; i <= 12; i++)
{
switch(i)
{
case 7:
Palette.aEntries[i].peRed=0xc0;
Palette.aEntries[i].peBlue=0xc0;
Palette.aEntries[i].peGreen=0xc0;
break;
case 8:
Palette.aEntries[i].peRed=0xc0;
Palette.aEntries[i].peGreen=0xdc;
Palette.aEntries[i].peBlue=0xc0;
break;
case 9:
Palette.aEntries[i].peRed=0xa6;
Palette.aEntries[i].peGreen=0xca;
Palette.aEntries[i].peBlue=0xf0;
break;
case 10:
Palette.aEntries[i].peRed=0xff;
Palette.aEntries[i].peGreen=0xfb;
Palette.aEntries[i].peBlue=0xf0;
break;
case 11:
Palette.aEntries[i].peRed=0xa0;
Palette.aEntries[i].peGreen=0xa0;
Palette.aEntries[i].peBlue=0xa4;
break;
case 12:
Palette.aEntries[i].peRed=0x80;
Palette.aEntries[i].peGreen=0x80;
Palette.aEntries[i].peBlue=0x80;
}
}
PalEntries[246 + i].peRed = g_sysPalTemplate[10 + i].peRed;
PalEntries[246 + i].peGreen = g_sysPalTemplate[10 + i].peGreen;
PalEntries[246 + i].peBlue = g_sysPalTemplate[10 + i].peBlue;
}
for (i=13; i <= 18; i++)
{
Palette.aEntries[i].peRed=(i%2)?0xff:0;
Palette.aEntries[i].peGreen=(i==14)?0xff:(i==15)?0xff:(i==18)?0xff:0;
Palette.aEntries[i].peBlue=(i>15)?0xff:0x00;
}
ppal = PALETTE_ShareLockPalette(pdc->dclevel.hpal);
if (ppal && (ppal->flFlags & PAL_INDEXED))
{
/* FIXME: optimize the palette for the current palette */
UNIMPLEMENTED
}
else
{
/* 256 color table */
for (r = 0; r < 6; r++)
{
for (g = 0; g < 6; g++)
{
for (b = 0; b < 6; b++)
{
i = r + g*6 + b*36 + 10;
Palette.aEntries[i].peRed = r * 51;
Palette.aEntries[i].peGreen = g * 51;
Palette.aEntries[i].peBlue = b * 51;
PalEntries[i].peRed = r * 51;
PalEntries[i].peGreen = g * 51;
PalEntries[i].peBlue = b * 51;
}
}
}
for (i = 216; i < 246; i++)
{
int v = (i - 216) << 3;
Palette.aEntries[i].peRed = v;
Palette.aEntries[i].peGreen = v;
Palette.aEntries[i].peBlue = v;
PalEntries[i].peRed = v;
PalEntries[i].peGreen = v;
PalEntries[i].peBlue = v;
}
}
return GreCreatePaletteInternal((LOGPALETTE *)&Palette, Palette.NumberOfEntries);
if (ppal)
PALETTE_ShareUnlockPalette(ppal);
DC_UnlockDc(pdc);
ppal = PALETTE_AllocPalWithHandle(PAL_INDEXED, 256, PalEntries, 0, 0, 0);
if (ppal)
{
hpal = ppal->BaseObject.hHmgr;
PALETTE_UnlockPalette(ppal);
}
return hpal;
}
BOOL

4
reactos/win32ss/gdi/ntgdi/palette.h
View file

@ -65,7 +65,7 @@ NTAPI
PALETTE_AllocPalette(
_In_ ULONG iMode,
_In_ ULONG cColors,
_In_opt_ PULONG pulColors,
_In_opt_ const PALETTEENTRY* pEntries,
_In_ FLONG flRed,
_In_ FLONG flGreen,
_In_ FLONG flBlue);
@ -75,7 +75,7 @@ NTAPI
PALETTE_AllocPalWithHandle(
_In_ ULONG iMode,
_In_ ULONG cColors,
_In_opt_ PULONG pulColors,
_In_opt_ const PALETTEENTRY* pEntries,
_In_ FLONG flRed,
_In_ FLONG flGreen,
_In_ FLONG flBlue);