[tkreuzer] 56546: [WIN32K] - Alloca to use GDIOBJ_vReferenceObjectByPointer with exclusively locked objects - Make sure the global mono palette actually has 2 entries - Simplify allocation of defau...
8 May
2012
8 May
'12
11:21 p.m.
Author: tkreuzer
Date: Tue May 8 23:21:09 2012
New Revision: 56546
URL: http://svn.reactos.org/svn/reactos?rev=56546&view=rev
Log:
[WIN32K]
- Alloca to use GDIOBJ_vReferenceObjectByPointer with exclusively locked objects
- Make sure the global mono palette actually has 2 entries
- Simplify allocation of default palette
- Implement GreGetSetColorTable, replacing IntSetDIBColorTable / IntGetDIBColorTable
- Make sure that memory possibly copied to user mode is zeroed.
Modified:
trunk/reactos/win32ss/gdi/eng/mouse.c
trunk/reactos/win32ss/gdi/eng/xlate.c
trunk/reactos/win32ss/gdi/ntgdi/gdiobj.c
trunk/reactos/win32ss/gdi/ntgdi/palette.c
trunk/reactos/win32ss/gdi/ntgdi/palette.h
Modified: trunk/reactos/win32ss/gdi/eng/mouse.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/eng/mouse.c?re…
==============================================================================
--- trunk/reactos/win32ss/gdi/eng/mouse.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/eng/mouse.c [iso-8859-1] Tue May 8 23:21:09 2012
@@ -391,7 +391,7 @@
/* Initialize an EXLATEOBJ */
ppal = PALETTE_ShareLockPalette(ppdev->devinfo.hpalDefault);
EXLATEOBJ_vInitialize(&exlo,
- &gpalMono,
+ gppalMono,
ppal,
0,
RGB(0xff,0xff,0xff),
Modified: trunk/reactos/win32ss/gdi/eng/xlate.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/eng/xlate.c?re…
==============================================================================
--- trunk/reactos/win32ss/gdi/eng/xlate.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/eng/xlate.c [iso-8859-1] Tue May 8 23:21:09 2012
@@ -591,8 +591,8 @@
/* Normal initialisation. No surface means DEFAULT_BITMAP */
EXLATEOBJ_vInitialize(pexlo,
- psurfSrc ? psurfSrc->ppal : &gpalMono,
- psurfDst ? psurfDst->ppal : &gpalMono,
+ psurfSrc ? psurfSrc->ppal : gppalMono,
+ psurfDst ? psurfDst->ppal : gppalMono,
pdcSrc->pdcattr->crBackgroundClr,
pdcDst->pdcattr->crBackgroundClr,
pdcDst->pdcattr->crForegroundClr);
Modified: trunk/reactos/win32ss/gdi/ntgdi/gdiobj.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/gdiobj.c…
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/gdiobj.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/gdiobj.c [iso-8859-1] Tue May 8 23:21:09 2012
@@ -576,9 +576,6 @@
{
ULONG cRefs;
- /* Must not be exclusively locked */
- ASSERT(pobj->cExclusiveLock == 0);
-
/* Check if the object has a handle */
if (GDI_HANDLE_GET_INDEX(pobj->hHmgr))
{
Modified: trunk/reactos/win32ss/gdi/ntgdi/palette.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/palette.…
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/palette.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/palette.c [iso-8859-1] Tue May 8 23:21:09 2012
@@ -14,7 +14,7 @@
static UINT SystemPaletteUse = SYSPAL_NOSTATIC; /* The program need save the pallete and
restore it */
-PALETTE gpalRGB, gpalBGR, gpalMono, gpalRGB555, gpalRGB565, *gppalDefault;
+PALETTE gpalRGB, gpalBGR, gpalRGB555, gpalRGB565, *gppalMono, *gppalDefault;
PPALETTE appalSurfaceDefault[11];
const PALETTEENTRY g_sysPalTemplate[NB_RESERVED_COLORS] =
@@ -62,30 +62,13 @@
NTAPI
InitPaletteImpl()
{
- int i;
- HPALETTE hpalette;
- PLOGPALETTE palPtr;
-
// Create default palette (20 system colors)
- palPtr = ExAllocatePoolWithTag(PagedPool,
- sizeof(LOGPALETTE) +
- (NB_RESERVED_COLORS * sizeof(PALETTEENTRY)),
- TAG_PALETTE);
- if (!palPtr) return STATUS_NO_MEMORY;
-
- palPtr->palVersion = 0x300;
- palPtr->palNumEntries = NB_RESERVED_COLORS;
- for (i=0; i<NB_RESERVED_COLORS; i++)
- {
- palPtr->palPalEntry[i].peRed = g_sysPalTemplate[i].peRed;
- palPtr->palPalEntry[i].peGreen = g_sysPalTemplate[i].peGreen;
- palPtr->palPalEntry[i].peBlue = g_sysPalTemplate[i].peBlue;
- palPtr->palPalEntry[i].peFlags = 0;
- }
-
- hpalette = GreCreatePaletteInternal(palPtr,NB_RESERVED_COLORS);
- ASSERT(hpalette);
- ExFreePoolWithTag(palPtr, TAG_PALETTE);
+ gppalDefault = PALETTE_AllocPalWithHandle(PAL_INDEXED,
+ 20,
+ (PULONG)g_sysPalTemplate,
+ 0, 0, 0);
+ GDIOBJ_vReferenceObjectByPointer(&gppalDefault->BaseObject);
+ PALETTE_UnlockPalette(gppalDefault);
/* palette_size = visual->map_entries; */
@@ -117,14 +100,12 @@
gpalRGB565.BaseObject.ulShareCount = 1;
gpalRGB565.BaseObject.BaseFlags = 0 ;
- memset(&gpalMono, 0, sizeof(PALETTE));
- gpalMono.flFlags = PAL_MONOCHROME;
- gpalMono.BaseObject.ulShareCount = 1;
- gpalMono.BaseObject.BaseFlags = 0 ;
+ gppalMono = PALETTE_AllocPalette(PAL_MONOCHROME|PAL_INDEXED, 2, NULL, 0, 0, 0);
+ PALETTE_vSetRGBColorForIndex(gppalMono, 0, 0x000000);
+ PALETTE_vSetRGBColorForIndex(gppalMono, 1, 0xffffff);
/* Initialize default surface palettes */
- gppalDefault = PALETTE_ShareLockPalette(hpalette);
- appalSurfaceDefault[BMF_1BPP] = &gpalMono;
+ appalSurfaceDefault[BMF_1BPP] = gppalMono;
appalSurfaceDefault[BMF_4BPP] = gppalDefault;
appalSurfaceDefault[BMF_8BPP] = gppalDefault;
appalSurfaceDefault[BMF_16BPP] = &gpalRGB565;
@@ -160,7 +141,7 @@
ULONG fl = 0, cjSize = sizeof(PALETTE);
/* Check if the palette has entries */
- if (iMode == PAL_INDEXED)
+ if (iMode & PAL_INDEXED)
{
/* Check color count */
if ((cColors == 0) || (cColors > 1024)) return NULL;
@@ -1010,6 +991,82 @@
return Entries;
}
+ULONG
+APIENTRY
+GreGetSetColorTable(
+ HDC hdc,
+ ULONG iStartIndex,
+ ULONG cEntries,
+ RGBQUAD *prgbColors,
+ BOOL bSet)
+{
+ PDC pdc;
+ PSURFACE psurf;
+ PPALETTE ppal = NULL;
+ ULONG i, iEndIndex, iResult = 0;
+
+ /* Lock the DC */
+ pdc = DC_LockDc(hdc);
+ if (!pdc)
+ {
+ return 0;
+ }
+
+ /* Get the surace from the DC */
+ psurf = pdc->dclevel.pSurface;
+
+ /* Check if we have the default surface */
+ if ((psurf == NULL) && !bSet)
+ {
+ /* Use a mono palette */
+ ppal = gppalMono;
+ }
+ else if (psurf->SurfObj.iType == STYPE_BITMAP)
+ {
+ /* Get the palette of the surface */
+ ppal = psurf->ppal;
+ }
+
+ /* Check if this is an indexed palette and the range is ok */
+ if (ppal && (ppal->flFlags & PAL_INDEXED) &&
+ (iStartIndex < ppal->NumColors))
+ {
+ /* Calculate the end of the operation */
+ iEndIndex = min(iStartIndex + cEntries, ppal->NumColors);
+
+ /* Check what operation to perform */
+ if (bSet)
+ {
+ /* Loop all colors and set the palette entries */
+ for (i = iStartIndex; i < iEndIndex; i++, prgbColors++)
+ {
+ ppal->IndexedColors[i].peRed = prgbColors->rgbRed;
+ ppal->IndexedColors[i].peGreen = prgbColors->rgbGreen;
+ ppal->IndexedColors[i].peBlue = prgbColors->rgbBlue;
+ }
+ }
+ else
+ {
+ /* Loop all colors and get the palette entries */
+ for (i = iStartIndex; i < iEndIndex; i++, prgbColors++)
+ {
+ prgbColors->rgbRed = ppal->IndexedColors[i].peRed;
+ prgbColors->rgbGreen = ppal->IndexedColors[i].peGreen;
+ prgbColors->rgbBlue = ppal->IndexedColors[i].peBlue;
+ prgbColors->rgbReserved = 0;
+ }
+ }
+
+ /* Calculate how many entries were modified */
+ iResult = iEndIndex - iStartIndex;
+ }
+
+ /* Unlock the DC */
+ DC_UnlockDc(pdc);
+
+ return iResult;
+}
+
W32KAPI
LONG
APIENTRY
@@ -1051,6 +1108,11 @@
}
_SEH2_END
}
+ else
+ {
+ /* Zero it out, so we don't accidentally leak kernel data */
+ RtlZeroMemory(pEntries, cEntries * sizeof(PALETTEENTRY));
+ }
}
ret = 0;
@@ -1076,12 +1138,12 @@
case GdiPalSetColorTable:
if (pEntries)
- ret = IntSetDIBColorTable((HDC)hObj, iStart, cEntries, (RGBQUAD*)pEntries);
+ ret = GreGetSetColorTable((HDC)hObj, iStart, cEntries, (RGBQUAD*)pEntries, TRUE);
break;
case GdiPalGetColorTable:
if (pEntries)
- ret = IntGetDIBColorTable((HDC)hObj, iStart, cEntries, (RGBQUAD*)pEntries);
+ ret = GreGetSetColorTable((HDC)hObj, iStart, cEntries, (RGBQUAD*)pEntries, FALSE);
break;
}
Modified: trunk/reactos/win32ss/gdi/ntgdi/palette.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/palette.…
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/palette.h [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/palette.h [iso-8859-1] Tue May 8 23:21:09 2012
@@ -43,7 +43,7 @@
PALETTEENTRY apalColors[0];
} PALETTE;
-extern PALETTE gpalRGB, gpalBGR, gpalMono, gpalRGB555, gpalRGB565, *gppalDefault;
+extern PALETTE gpalRGB, gpalBGR, gpalRGB555, gpalRGB565, *gppalMono, *gppalDefault;
extern PPALETTE appalSurfaceDefault[];
#define PALETTE_UnlockPalette(pPalette) GDIOBJ_vUnlockObject((POBJ)pPalette)
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