/*
- * $Id$
- *
* ReactOS W32 Subsystem
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
*
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <w32k.h>
};
-UINT APIENTRY
-IntSetDIBColorTable(HDC hDC, UINT StartIndex, UINT Entries, CONST RGBQUAD *Colors)
+UINT
+APIENTRY
+IntSetDIBColorTable(
+ HDC hDC,
+ UINT StartIndex,
+ UINT Entries,
+ CONST RGBQUAD *Colors)
{
- PDC dc;
- PSURFACE psurf;
- PPALGDI PalGDI;
- UINT Index;
- ULONG biBitCount;
-
- if (!(dc = DC_LockDc(hDC))) return 0;
- if (dc->dctype == DC_TYPE_INFO)
- {
- DC_UnlockDc(dc);
- return 0;
- }
-
- psurf = SURFACE_LockSurface(dc->rosdc.hBitmap);
- if (psurf == NULL)
- {
- DC_UnlockDc(dc);
- SetLastWin32Error(ERROR_INVALID_PARAMETER);
- return 0;
- }
-
- if (psurf->hSecure == NULL)
- {
- SURFACE_UnlockSurface(psurf);
- DC_UnlockDc(dc);
- SetLastWin32Error(ERROR_INVALID_PARAMETER);
- return 0;
- }
-
- biBitCount = BitsPerFormat(psurf->SurfObj.iBitmapFormat);
- if (biBitCount <= 8 && StartIndex < (1 << biBitCount))
- {
- if (StartIndex + Entries > (1 << biBitCount))
- Entries = (1 << biBitCount) - StartIndex;
-
- PalGDI = PALETTE_LockPalette(psurf->hDIBPalette);
- if (PalGDI == NULL)
- {
- SURFACE_UnlockSurface(psurf);
- DC_UnlockDc(dc);
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return 0;
- }
-
- for (Index = StartIndex;
- Index < StartIndex + Entries && Index < PalGDI->NumColors;
- Index++)
- {
- PalGDI->IndexedColors[Index].peRed = Colors[Index - StartIndex].rgbRed;
- PalGDI->IndexedColors[Index].peGreen = Colors[Index - StartIndex].rgbGreen;
- PalGDI->IndexedColors[Index].peBlue = Colors[Index - StartIndex].rgbBlue;
- }
- PALETTE_UnlockPalette(PalGDI);
- }
- else
- Entries = 0;
-
- SURFACE_UnlockSurface(psurf);
- DC_UnlockDc(dc);
-
- return Entries;
+ PDC dc;
+ PSURFACE psurf;
+ PPALETTE PalGDI;
+ UINT Index;
+ ULONG biBitCount;
+
+ if (!(dc = DC_LockDc(hDC))) return 0;
+ if (dc->dctype == DC_TYPE_INFO)
+ {
+ DC_UnlockDc(dc);
+ return 0;
+ }
+
+ psurf = dc->dclevel.pSurface;
+ if (psurf == NULL)
+ {
+ DC_UnlockDc(dc);
+ SetLastWin32Error(ERROR_INVALID_PARAMETER);
+ return 0;
+ }
+
+ if (psurf->hSecure == NULL)
+ {
+ DC_UnlockDc(dc);
+ SetLastWin32Error(ERROR_INVALID_PARAMETER);
+ return 0;
+ }
+
+ biBitCount = BitsPerFormat(psurf->SurfObj.iBitmapFormat);
+ if (biBitCount <= 8 && StartIndex < (1 << biBitCount))
+ {
+ if (StartIndex + Entries > (1 << biBitCount))
+ Entries = (1 << biBitCount) - StartIndex;
+
+ PalGDI = PALETTE_LockPalette(psurf->hDIBPalette);
+ if (PalGDI == NULL)
+ {
+ DC_UnlockDc(dc);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return 0;
+ }
+
+ for (Index = StartIndex;
+ Index < StartIndex + Entries && Index < PalGDI->NumColors;
+ Index++)
+ {
+ PalGDI->IndexedColors[Index].peRed = Colors[Index - StartIndex].rgbRed;
+ PalGDI->IndexedColors[Index].peGreen = Colors[Index - StartIndex].rgbGreen;
+ PalGDI->IndexedColors[Index].peBlue = Colors[Index - StartIndex].rgbBlue;
+ }
+ PALETTE_UnlockPalette(PalGDI);
+ }
+ else
+ Entries = 0;
+
+ /* Mark the brushes invalid */
+ dc->pdcattr->ulDirty_ |= DIRTY_FILL|DIRTY_LINE|DIRTY_BACKGROUND|DIRTY_TEXT;
+
+ DC_UnlockDc(dc);
+
+ return Entries;
}
-UINT APIENTRY
-IntGetDIBColorTable(HDC hDC, UINT StartIndex, UINT Entries, RGBQUAD *Colors)
+UINT
+APIENTRY
+IntGetDIBColorTable(
+ HDC hDC,
+ UINT StartIndex,
+ UINT Entries,
+ RGBQUAD *Colors)
{
- PDC dc;
- PSURFACE psurf;
- PPALGDI PalGDI;
- UINT Index;
- ULONG biBitCount;
-
- if (!(dc = DC_LockDc(hDC))) return 0;
- if (dc->dctype == DC_TYPE_INFO)
- {
- DC_UnlockDc(dc);
- return 0;
- }
-
- psurf = SURFACE_LockSurface(dc->rosdc.hBitmap);
- if (psurf == NULL)
- {
- DC_UnlockDc(dc);
- SetLastWin32Error(ERROR_INVALID_PARAMETER);
- return 0;
- }
-
- if (psurf->hSecure == NULL)
- {
- SURFACE_UnlockSurface(psurf);
- DC_UnlockDc(dc);
- SetLastWin32Error(ERROR_INVALID_PARAMETER);
- return 0;
- }
-
- biBitCount = BitsPerFormat(psurf->SurfObj.iBitmapFormat);
- if (biBitCount <= 8 &&
- StartIndex < (1 << biBitCount))
- {
- if (StartIndex + Entries > (1 << biBitCount))
- Entries = (1 << biBitCount) - StartIndex;
-
- PalGDI = PALETTE_LockPalette(psurf->hDIBPalette);
- if (PalGDI == NULL)
- {
- SURFACE_UnlockSurface(psurf);
- DC_UnlockDc(dc);
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return 0;
- }
-
- for (Index = StartIndex;
- Index < StartIndex + Entries && Index < PalGDI->NumColors;
- Index++)
- {
- Colors[Index - StartIndex].rgbRed = PalGDI->IndexedColors[Index].peRed;
- Colors[Index - StartIndex].rgbGreen = PalGDI->IndexedColors[Index].peGreen;
- Colors[Index - StartIndex].rgbBlue = PalGDI->IndexedColors[Index].peBlue;
- Colors[Index - StartIndex].rgbReserved = 0;
- }
- PALETTE_UnlockPalette(PalGDI);
- }
- else
- Entries = 0;
-
- SURFACE_UnlockSurface(psurf);
- DC_UnlockDc(dc);
-
- return Entries;
+ PDC dc;
+ PSURFACE psurf;
+ PPALETTE PalGDI;
+ UINT Index, Count = 0;
+ ULONG biBitCount;
+
+ if (!(dc = DC_LockDc(hDC))) return 0;
+ if (dc->dctype == DC_TYPE_INFO)
+ {
+ DC_UnlockDc(dc);
+ return 0;
+ }
+
+ psurf = dc->dclevel.pSurface;
+ if (psurf == NULL)
+ {
+ DC_UnlockDc(dc);
+ SetLastWin32Error(ERROR_INVALID_PARAMETER);
+ return 0;
+ }
+
+ if (psurf->hSecure == NULL)
+ {
+ DC_UnlockDc(dc);
+ SetLastWin32Error(ERROR_INVALID_PARAMETER);
+ return 0;
+ }
+
+ biBitCount = BitsPerFormat(psurf->SurfObj.iBitmapFormat);
+ if (biBitCount <= 8 &&
+ StartIndex < (1 << biBitCount))
+ {
+ if (StartIndex + Entries > (1 << biBitCount))
+ Entries = (1 << biBitCount) - StartIndex;
+
+ PalGDI = PALETTE_LockPalette(psurf->hDIBPalette);
+ if (PalGDI == NULL)
+ {
+ DC_UnlockDc(dc);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return 0;
+ }
+
+ for (Index = StartIndex;
+ Index < StartIndex + Entries && Index < PalGDI->NumColors;
+ Index++)
+ {
+ Colors[Index - StartIndex].rgbRed = PalGDI->IndexedColors[Index].peRed;
+ Colors[Index - StartIndex].rgbGreen = PalGDI->IndexedColors[Index].peGreen;
+ Colors[Index - StartIndex].rgbBlue = PalGDI->IndexedColors[Index].peBlue;
+ Colors[Index - StartIndex].rgbReserved = 0;
+ Count++;
+ }
+ PALETTE_UnlockPalette(PalGDI);
+ }
+
+ DC_UnlockDc(dc);
+
+ return Count;
}
// Converts a DIB to a device-dependent bitmap
-static INT FASTCALL
+static INT
+FASTCALL
IntSetDIBits(
- PDC DC,
- HBITMAP hBitmap,
- UINT StartScan,
- UINT ScanLines,
- CONST VOID *Bits,
- CONST BITMAPINFO *bmi,
- UINT ColorUse)
+ PDC DC,
+ HBITMAP hBitmap,
+ UINT StartScan,
+ UINT ScanLines,
+ CONST VOID *Bits,
+ CONST BITMAPINFO *bmi,
+ UINT ColorUse)
{
- SURFACE *bitmap;
- HBITMAP SourceBitmap;
- INT result = 0;
- BOOL copyBitsResult;
- SURFOBJ *DestSurf, *SourceSurf;
- SIZEL SourceSize;
- POINTL ZeroPoint;
- RECTL DestRect;
- XLATEOBJ *XlateObj;
- PPALGDI hDCPalette;
- //RGBQUAD *lpRGB;
- HPALETTE DDB_Palette, DIB_Palette;
- ULONG DDB_Palette_Type, DIB_Palette_Type;
- INT DIBWidth;
-
- // Check parameters
- if (!(bitmap = SURFACE_LockSurface(hBitmap)))
- {
- return 0;
- }
-
- // Get RGB values
- //if (ColorUse == DIB_PAL_COLORS)
- // lpRGB = DIB_MapPaletteColors(hDC, bmi);
- //else
- // lpRGB = &bmi->bmiColors;
-
- DestSurf = &bitmap->SurfObj;
-
- // Create source surface
- SourceSize.cx = bmi->bmiHeader.biWidth;
- SourceSize.cy = ScanLines;
-
- // Determine width of DIB
- DIBWidth = DIB_GetDIBWidthBytes(SourceSize.cx, bmi->bmiHeader.biBitCount);
-
- SourceBitmap = EngCreateBitmap(SourceSize,
- DIBWidth,
- BitmapFormat(bmi->bmiHeader.biBitCount, bmi->bmiHeader.biCompression),
- bmi->bmiHeader.biHeight < 0 ? BMF_TOPDOWN : 0,
- (PVOID) Bits);
- if (0 == SourceBitmap)
- {
- SURFACE_UnlockSurface(bitmap);
- SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
- return 0;
- }
-
- SourceSurf = EngLockSurface((HSURF)SourceBitmap);
- if (NULL == SourceSurf)
- {
- EngDeleteSurface((HSURF)SourceBitmap);
- SURFACE_UnlockSurface(bitmap);
- SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
- return 0;
- }
-
- // Use hDIBPalette if it exists
- if (bitmap->hDIBPalette)
- {
- DDB_Palette = bitmap->hDIBPalette;
- }
- else
- {
- // Destination palette obtained from the hDC
- DDB_Palette = ((GDIDEVICE *)DC->ppdev)->DevInfo.hpalDefault;
- }
- hDCPalette = PALETTE_LockPalette(DDB_Palette);
- if (NULL == hDCPalette)
- {
- EngUnlockSurface(SourceSurf);
- EngDeleteSurface((HSURF)SourceBitmap);
- SURFACE_UnlockSurface(bitmap);
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return 0;
- }
- DDB_Palette_Type = hDCPalette->Mode;
- PALETTE_UnlockPalette(hDCPalette);
-
- // Source palette obtained from the BITMAPINFO
- DIB_Palette = BuildDIBPalette ( (PBITMAPINFO)bmi, (PINT)&DIB_Palette_Type );
- if (NULL == DIB_Palette)
- {
- EngUnlockSurface(SourceSurf);
- EngDeleteSurface((HSURF)SourceBitmap);
- SURFACE_UnlockSurface(bitmap);
- SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
- return 0;
- }
-
- // Determine XLATEOBJ for color translation
- XlateObj = IntEngCreateXlate(DDB_Palette_Type, DIB_Palette_Type, DDB_Palette, DIB_Palette);
- if (NULL == XlateObj)
- {
- PALETTE_FreePaletteByHandle(DIB_Palette);
- EngUnlockSurface(SourceSurf);
- EngDeleteSurface((HSURF)SourceBitmap);
- SURFACE_UnlockSurface(bitmap);
- SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
- return 0;
- }
-
- // Zero point
- ZeroPoint.x = 0;
- ZeroPoint.y = 0;
-
- // Determine destination rectangle
- DestRect.left = 0;
- DestRect.top = abs(bmi->bmiHeader.biHeight) - StartScan - ScanLines;
- DestRect.right = SourceSize.cx;
- DestRect.bottom = DestRect.top + ScanLines;
-
- copyBitsResult = EngCopyBits(DestSurf, SourceSurf, NULL, XlateObj, &DestRect, &ZeroPoint);
-
- // If it succeeded, return number of scanlines copies
- if(copyBitsResult == TRUE)
- {
- result = SourceSize.cy;
+ SURFACE *bitmap;
+ HBITMAP SourceBitmap;
+ INT result = 0;
+ BOOL copyBitsResult;
+ SURFOBJ *DestSurf, *SourceSurf;
+ SIZEL SourceSize;
+ POINTL ZeroPoint;
+ RECTL DestRect;
+ EXLATEOBJ exlo;
+ PPALETTE ppalDDB, ppalDIB;
+ //RGBQUAD *lpRGB;
+ HPALETTE DDB_Palette, DIB_Palette;
+ ULONG DIB_Palette_Type;
+ INT DIBWidth;
+
+ // Check parameters
+ if (!(bitmap = SURFACE_LockSurface(hBitmap)))
+ {
+ return 0;
+ }
+
+ // Get RGB values
+ //if (ColorUse == DIB_PAL_COLORS)
+ // lpRGB = DIB_MapPaletteColors(hDC, bmi);
+ //else
+ // lpRGB = &bmi->bmiColors;
+
+ DestSurf = &bitmap->SurfObj;
+
+ // Create source surface
+ SourceSize.cx = bmi->bmiHeader.biWidth;
+ SourceSize.cy = ScanLines;
+
+ // Determine width of DIB
+ DIBWidth = DIB_GetDIBWidthBytes(SourceSize.cx, bmi->bmiHeader.biBitCount);
+
+ SourceBitmap = EngCreateBitmap(SourceSize,
+ DIBWidth,
+ BitmapFormat(bmi->bmiHeader.biBitCount, bmi->bmiHeader.biCompression),
+ bmi->bmiHeader.biHeight < 0 ? BMF_TOPDOWN : 0,
+ (PVOID) Bits);
+ if (0 == SourceBitmap)
+ {
+ SURFACE_UnlockSurface(bitmap);
+ SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
+ return 0;
+ }
+
+ SourceSurf = EngLockSurface((HSURF)SourceBitmap);
+ if (NULL == SourceSurf)
+ {
+ EngDeleteSurface((HSURF)SourceBitmap);
+ SURFACE_UnlockSurface(bitmap);
+ SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
+ return 0;
+ }
+
+ // Use hDIBPalette if it exists
+ if (bitmap->hDIBPalette)
+ {
+ DDB_Palette = bitmap->hDIBPalette;
+ }
+ else
+ {
+ // Destination palette obtained from the hDC
+ DDB_Palette = DC->ppdev->devinfo.hpalDefault;
+ }
+
+ ppalDDB = PALETTE_LockPalette(DDB_Palette);
+ if (NULL == ppalDDB)
+ {
+ EngUnlockSurface(SourceSurf);
+ EngDeleteSurface((HSURF)SourceBitmap);
+ SURFACE_UnlockSurface(bitmap);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return 0;
+ }
+
+ // Source palette obtained from the BITMAPINFO
+ DIB_Palette = BuildDIBPalette((PBITMAPINFO)bmi, (PINT)&DIB_Palette_Type);
+ if (NULL == DIB_Palette)
+ {
+ EngUnlockSurface(SourceSurf);
+ EngDeleteSurface((HSURF)SourceBitmap);
+ SURFACE_UnlockSurface(bitmap);
+ SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
+ return 0;
+ }
+
+ ppalDIB = PALETTE_LockPalette(DIB_Palette);
+
+ /* Initialize XLATEOBJ for color translation */
+ EXLATEOBJ_vInitialize(&exlo, ppalDIB, ppalDDB, 0, 0, 0);
+
+ // Zero point
+ ZeroPoint.x = 0;
+ ZeroPoint.y = 0;
+
+ // Determine destination rectangle
+ DestRect.left = 0;
+ DestRect.top = abs(bmi->bmiHeader.biHeight) - StartScan - ScanLines;
+ DestRect.right = SourceSize.cx;
+ DestRect.bottom = DestRect.top + ScanLines;
+
+ copyBitsResult = IntEngCopyBits(DestSurf, SourceSurf, NULL, &exlo.xlo, &DestRect, &ZeroPoint);
+
+ // If it succeeded, return number of scanlines copies
+ if (copyBitsResult == TRUE)
+ {
+ result = SourceSize.cy;
// or
-// result = abs(bmi->bmiHeader.biHeight) - StartScan;
- }
+// result = abs(bmi->bmiHeader.biHeight) - StartScan;
+ }
- // Clean up
- EngDeleteXlate(XlateObj);
- PALETTE_FreePaletteByHandle(DIB_Palette);
- EngUnlockSurface(SourceSurf);
- EngDeleteSurface((HSURF)SourceBitmap);
+ // Clean up
+ EXLATEOBJ_vCleanup(&exlo);
+ PALETTE_UnlockPalette(ppalDIB);
+ PALETTE_UnlockPalette(ppalDDB);
+ PALETTE_FreePaletteByHandle(DIB_Palette);
+ EngUnlockSurface(SourceSurf);
+ EngDeleteSurface((HSURF)SourceBitmap);
-// if (ColorUse == DIB_PAL_COLORS)
-// WinFree((LPSTR)lpRGB);
+// if (ColorUse == DIB_PAL_COLORS)
+// WinFree((LPSTR)lpRGB);
- SURFACE_UnlockSurface(bitmap);
+ SURFACE_UnlockSurface(bitmap);
- return result;
+ return result;
}
-// FIXME by Removing NtGdiSetDIBits!!!
+// FIXME by Removing NtGdiSetDIBits!!!
// This is a victim of the Win32k Initialization BUG!!!!!
// Converts a DIB to a device-dependent bitmap
-INT APIENTRY
+INT
+APIENTRY
NtGdiSetDIBits(
- HDC hDC,
- HBITMAP hBitmap,
- UINT StartScan,
- UINT ScanLines,
- CONST VOID *Bits,
- CONST BITMAPINFO *bmi,
- UINT ColorUse)
+ HDC hDC,
+ HBITMAP hBitmap,
+ UINT StartScan,
+ UINT ScanLines,
+ CONST VOID *Bits,
+ CONST BITMAPINFO *bmi,
+ UINT ColorUse)
{
- PDC Dc;
- INT Ret;
- NTSTATUS Status = STATUS_SUCCESS;
- UINT cjBits;
-
- if (!Bits) return 0;
-
- _SEH2_TRY
- { // FYI: We converted from CORE in gdi.
- ProbeForRead(bmi, sizeof(BITMAPINFO), 1);
- cjBits = bmi->bmiHeader.biBitCount * bmi->bmiHeader.biPlanes * bmi->bmiHeader.biWidth;
- cjBits = ((cjBits + 31) & ~31 ) / 8;
- cjBits *= ScanLines;
- ProbeForRead(Bits, cjBits, 1);
- }
- _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
- {
- Status = _SEH2_GetExceptionCode();
- }
- _SEH2_END
-
- if (!NT_SUCCESS(Status))
- {
- return 0;
- }
-
- Dc = DC_LockDc(hDC);
- if (NULL == Dc)
- {
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return 0;
- }
- if (Dc->dctype == DC_TYPE_INFO)
- {
- DC_UnlockDc(Dc);
- return 0;
- }
-
- Ret = IntSetDIBits(Dc, hBitmap, StartScan, ScanLines, Bits, bmi, ColorUse);
-
- DC_UnlockDc(Dc);
-
- return Ret;
-}
+ PDC Dc;
+ INT Ret;
+ NTSTATUS Status = STATUS_SUCCESS;
+ UINT cjBits;
+
+ if (!Bits) return 0;
+
+ _SEH2_TRY
+ { // FYI: We converted from CORE in gdi.
+ ProbeForRead(bmi, sizeof(BITMAPINFO), 1);
+ cjBits = bmi->bmiHeader.biBitCount * bmi->bmiHeader.biPlanes * bmi->bmiHeader.biWidth;
+ cjBits = ((cjBits + 31) & ~31) / 8;
+ cjBits *= ScanLines;
+ ProbeForRead(Bits, cjBits, 1);
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ Status = _SEH2_GetExceptionCode();
+ }
+ _SEH2_END
+
+ if (!NT_SUCCESS(Status))
+ {
+ return 0;
+ }
+
+ Dc = DC_LockDc(hDC);
+ if (NULL == Dc)
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return 0;
+ }
+ if (Dc->dctype == DC_TYPE_INFO)
+ {
+ DC_UnlockDc(Dc);
+ return 0;
+ }
+
+ Ret = IntSetDIBits(Dc, hBitmap, StartScan, ScanLines, Bits, bmi, ColorUse);
+ DC_UnlockDc(Dc);
+ return Ret;
+}
W32KAPI
INT
IN UINT cjMaxBits,
IN UINT cjMaxInfo,
IN BOOL bTransformCoordinates,
- IN OPTIONAL HANDLE hcmXform
-)
+ IN OPTIONAL HANDLE hcmXform)
{
INT ret = 0;
NTSTATUS Status = STATUS_SUCCESS;
PDC pDC;
HBITMAP hSourceBitmap = NULL;
SURFOBJ *pDestSurf, *pSourceSurf = NULL;
+ SURFACE *pSurf;
RECTL rcDest;
POINTL ptSource;
INT DIBWidth;
SIZEL SourceSize;
- XLATEOBJ *XlateObj = NULL;
- PPALGDI pDCPalette;
- HPALETTE DDBPalette, DIBPalette = NULL;
- ULONG DDBPaletteType, DIBPaletteType;
+ EXLATEOBJ exlo;
+ PPALETTE ppalDDB = NULL, ppalDIB = NULL;
+ HPALETTE hpalDDB, hpalDIB = NULL;
+ ULONG DIBPaletteType;
if (!Bits) return 0;
_SEH2_TRY
{
- ProbeForRead(bmi, cjMaxInfo , 1);
+ ProbeForRead(bmi, cjMaxInfo , 1);
ProbeForRead(Bits, cjMaxBits, 1);
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
- Status = _SEH2_GetExceptionCode();
+ Status = _SEH2_GetExceptionCode();
}
_SEH2_END
if (!NT_SUCCESS(Status))
{
- return 0;
+ return 0;
}
pDC = DC_LockDc(hDC);
return 0;
}
- pDestSurf = EngLockSurface((HSURF)pDC->rosdc.hBitmap);
- if (!pDestSurf)
+ /* Use destination palette obtained from the DC by default */
+ hpalDDB = pDC->ppdev->devinfo.hpalDefault;
+
+ /* Try to use hDIBPalette if it exists */
+ pSurf = pDC->dclevel.pSurface;
+ if (pSurf && pSurf->hDIBPalette)
{
- /* FIXME: SetLastError ? */
- DC_UnlockDc(pDC);
- return 0;
+ hpalDDB = pSurf->hDIBPalette;
}
+ pDestSurf = pSurf ? &pSurf->SurfObj : NULL;
+
+ ScanLines = min(ScanLines, abs(bmi->bmiHeader.biHeight) - StartScan);
+
rcDest.left = XDest;
rcDest.top = YDest;
if (bTransformCoordinates)
rcDest.top += pDC->ptlDCOrig.y;
rcDest.right = rcDest.left + Width;
rcDest.bottom = rcDest.top + Height;
+ rcDest.top += StartScan;
+
ptSource.x = XSrc;
ptSource.y = YSrc;
-
SourceSize.cx = bmi->bmiHeader.biWidth;
- SourceSize.cy = ScanLines; // this one --> abs(bmi->bmiHeader.biHeight) - StartScan
+ SourceSize.cy = ScanLines;
+
DIBWidth = DIB_GetDIBWidthBytes(SourceSize.cx, bmi->bmiHeader.biBitCount);
hSourceBitmap = EngCreateBitmap(SourceSize,
pSourceSurf = EngLockSurface((HSURF)hSourceBitmap);
if (!pSourceSurf)
{
- Status = STATUS_UNSUCCESSFUL;
- goto Exit;
+ Status = STATUS_UNSUCCESSFUL;
+ goto Exit;
}
- /* Obtain destination palette from the DC */
- pDCPalette = PALETTE_LockPalette(((GDIDEVICE *)pDC->ppdev)->DevInfo.hpalDefault);
- if (!pDCPalette)
+ /* Obtain destination palette */
+ ppalDDB = PALETTE_LockPalette(hpalDDB);
+ if (!ppalDDB)
{
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- Status = STATUS_UNSUCCESSFUL;
- goto Exit;
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ Status = STATUS_UNSUCCESSFUL;
+ goto Exit;
}
- DDBPaletteType = pDCPalette->Mode;
- DDBPalette = ((GDIDEVICE *)pDC->ppdev)->DevInfo.hpalDefault;
- PALETTE_UnlockPalette(pDCPalette);
-
- DIBPalette = BuildDIBPalette(bmi, (PINT)&DIBPaletteType);
- if (!DIBPalette)
+ /* Create a palette for the DIB */
+ hpalDIB = BuildDIBPalette(bmi, (PINT)&DIBPaletteType);
+ if (!hpalDIB)
{
- SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
- Status = STATUS_NO_MEMORY;
- goto Exit;
+ SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
+ Status = STATUS_NO_MEMORY;
+ goto Exit;
}
- /* Determine XlateObj */
- XlateObj = IntEngCreateXlate(DDBPaletteType, DIBPaletteType, DDBPalette, DIBPalette);
- if (!XlateObj)
+ /* Lock the DIB palette */
+ ppalDIB = PALETTE_LockPalette(hpalDIB);
+ if (!ppalDDB)
{
- SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
- Status = STATUS_NO_MEMORY;
- goto Exit;
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ Status = STATUS_UNSUCCESSFUL;
+ goto Exit;
}
+ /* Initialize EXLATEOBJ */
+ EXLATEOBJ_vInitialize(&exlo, ppalDIB, ppalDDB, 0, 0, 0);
+
/* Copy the bits */
+ DPRINT("BitsToDev with dstsurf=(%d|%d) (%d|%d), src=(%d|%d) w=%d h=%d\n",
+ rcDest.left, rcDest.top, rcDest.right, rcDest.bottom,
+ ptSource.x, ptSource.y, SourceSize.cx, SourceSize.cy);
Status = IntEngBitBlt(pDestSurf,
pSourceSurf,
NULL,
pDC->rosdc.CombinedClip,
- XlateObj,
+ &exlo.xlo,
&rcDest,
&ptSource,
NULL,
NULL,
NULL,
ROP3_TO_ROP4(SRCCOPY));
+
+ /* Cleanup EXLATEOBJ */
+ EXLATEOBJ_vCleanup(&exlo);
+
Exit:
if (NT_SUCCESS(Status))
{
- /* FIXME: Should probably be only the number of lines actually copied */
- ret = ScanLines; // this one --> abs(Info->bmiHeader.biHeight) - StartScan;
+ ret = ScanLines;
}
+ if (ppalDIB) PALETTE_UnlockPalette(ppalDIB);
+ if (ppalDDB) PALETTE_UnlockPalette(ppalDDB);
+
if (pSourceSurf) EngUnlockSurface(pSourceSurf);
if (hSourceBitmap) EngDeleteSurface((HSURF)hSourceBitmap);
- if (XlateObj) EngDeleteXlate(XlateObj);
- if (DIBPalette) PALETTE_FreePaletteByHandle(DIBPalette);
- EngUnlockSurface(pDestSurf);
+ if (hpalDIB) PALETTE_FreePaletteByHandle(hpalDIB);
DC_UnlockDc(pDC);
return ret;
/* Converts a device-dependent bitmap to a DIB */
-INT APIENTRY
-NtGdiGetDIBitsInternal(HDC hDC,
- HBITMAP hBitmap,
- UINT StartScan,
- UINT ScanLines,
- LPBYTE Bits,
- LPBITMAPINFO Info,
- UINT Usage,
- UINT MaxBits,
- UINT MaxInfo)
+INT
+APIENTRY
+NtGdiGetDIBitsInternal(
+ HDC hDC,
+ HBITMAP hBitmap,
+ UINT StartScan,
+ UINT ScanLines,
+ LPBYTE Bits,
+ LPBITMAPINFO Info,
+ UINT Usage,
+ UINT MaxBits,
+ UINT MaxInfo)
{
PDC Dc;
SURFACE *psurf = NULL;
HBITMAP hDestBitmap = NULL;
HPALETTE hSourcePalette = NULL;
HPALETTE hDestPalette = NULL;
- PPALGDI SourcePalette = NULL;
- PPALGDI DestPalette = NULL;
+ PPALETTE ppalSrc = NULL;
+ PPALETTE ppalDst = NULL;
NTSTATUS Status = STATUS_SUCCESS;
ULONG Result = 0;
BOOL bPaletteMatch = FALSE;
PBYTE ChkBits = Bits;
PVOID ColorPtr;
RGBQUAD *rgbQuads;
+ ULONG DestPaletteType;
+ ULONG Index;
DPRINT("Entered NtGdiGetDIBitsInternal()\n");
- if ( (Usage && Usage != DIB_PAL_COLORS) ||
- !Info ||
- !hBitmap )
- return 0;
+ if ((Usage && Usage != DIB_PAL_COLORS) || !Info || !hBitmap)
+ return 0;
// if ScanLines == 0, no need to copy Bits.
- if (!ScanLines) ChkBits = NULL;
+ if (!ScanLines)
+ ChkBits = NULL;
_SEH2_TRY
{
+ ProbeForRead(&Info->bmiHeader.biSize, sizeof(DWORD), 1);
+
ProbeForWrite(Info, Info->bmiHeader.biSize, 1); // Comp for Core.
if (ChkBits) ProbeForWrite(ChkBits, MaxBits, 1);
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
- Status = _SEH2_GetExceptionCode();
+ Status = _SEH2_GetExceptionCode();
}
_SEH2_END
if (!NT_SUCCESS(Status))
{
- return 0;
+ return 0;
}
Dc = DC_LockDc(hDC);
/* Get a pointer to the source bitmap object */
psurf = SURFACE_LockSurface(hBitmap);
if (psurf == NULL)
- return 0;
+ return 0;
hSourcePalette = psurf->hDIBPalette;
if (!hSourcePalette)
{
- hSourcePalette = pPrimarySurface->DevInfo.hpalDefault;
+ hSourcePalette = pPrimarySurface->devinfo.hpalDefault;
}
ColorPtr = ((PBYTE)Info + Info->bmiHeader.biSize);
rgbQuads = (RGBQUAD *)ColorPtr;
- /* fill out the BITMAPINFO struct */
- if (!ChkBits)
- { // Core or not to Core? We have converted from Core in Gdi~ so?
- if (Info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
- {
- BITMAPCOREHEADER* coreheader = (BITMAPCOREHEADER*) Info;
- coreheader->bcWidth = psurf->SurfObj.sizlBitmap.cx;
- coreheader->bcPlanes = 1;
- coreheader->bcBitCount = BitsPerFormat(psurf->SurfObj.iBitmapFormat);
- coreheader->bcHeight = psurf->SurfObj.sizlBitmap.cy;
- if (psurf->SurfObj.lDelta > 0)
- coreheader->bcHeight = -coreheader->bcHeight;
- }
-
- if (Info->bmiHeader.biSize >= sizeof(BITMAPINFOHEADER))
- {
- Info->bmiHeader.biWidth = psurf->SurfObj.sizlBitmap.cx;
- Info->bmiHeader.biHeight = psurf->SurfObj.sizlBitmap.cy;
- Info->bmiHeader.biPlanes = 1;
- Info->bmiHeader.biBitCount = BitsPerFormat(psurf->SurfObj.iBitmapFormat);
- switch (psurf->SurfObj.iBitmapFormat)
- {
- case BMF_1BPP:
- case BMF_4BPP:
- case BMF_8BPP:
- case BMF_16BPP:
- case BMF_24BPP:
- case BMF_32BPP:
- Info->bmiHeader.biCompression = BI_RGB;
- break;
- case BMF_4RLE:
- Info->bmiHeader.biCompression = BI_RLE4;
- break;
- case BMF_8RLE:
- Info->bmiHeader.biCompression = BI_RLE8;
- break;
- case BMF_JPEG:
- Info->bmiHeader.biCompression = BI_JPEG;
- break;
- case BMF_PNG:
- Info->bmiHeader.biCompression = BI_PNG;
- break;
- }
- /* Image size has to be calculated */
- Info->bmiHeader.biSizeImage = DIB_GetDIBWidthBytes(Info->bmiHeader.biWidth,
- Info->bmiHeader.biBitCount) * Info->bmiHeader.biHeight;
- Info->bmiHeader.biXPelsPerMeter = 0; /* FIXME */
- Info->bmiHeader.biYPelsPerMeter = 0; /* FIXME */
- Info->bmiHeader.biClrUsed = 0;
- Info->bmiHeader.biClrImportant = 1 << Info->bmiHeader.biBitCount; /* FIXME */
- /* Report negtive height for top-down bitmaps. */
- if (psurf->SurfObj.lDelta > 0)
- Info->bmiHeader.biHeight = -Info->bmiHeader.biHeight;
- }
- Result = psurf->SurfObj.sizlBitmap.cy;
+ /* Copy palette information
+ * Always create a palette for 15 & 16 bit. */
+ if ((Info->bmiHeader.biBitCount == BitsPerFormat(psurf->SurfObj.iBitmapFormat) &&
+ Info->bmiHeader.biBitCount != 15 && Info->bmiHeader.biBitCount != 16) ||
+ !ChkBits)
+ {
+ hDestPalette = hSourcePalette;
+ bPaletteMatch = TRUE;
+ }
+ else
+ hDestPalette = BuildDIBPalette(Info, (PINT)&DestPaletteType); //hDestPalette = Dc->DevInfo->hpalDefault;
+
+ ppalSrc = PALETTE_LockPalette(hSourcePalette);
+ /* FIXME - ppalSrc can be NULL!!! Don't assert here! */
+ ASSERT(ppalSrc);
+
+ if (!bPaletteMatch)
+ {
+ ppalDst = PALETTE_LockPalette(hDestPalette);
+ /* FIXME - ppalDst can be NULL!!!! Don't assert here!!! */
+ DPRINT("ppalDst : %p\n", ppalDst);
+ ASSERT(ppalDst);
}
else
{
- SIZEL DestSize;
- ULONG SourcePaletteType = 0;
- ULONG DestPaletteType;
- POINTL SourcePoint;
- ULONG Index;
-
- if (Info->bmiHeader.biBitCount == BitsPerFormat(psurf->SurfObj.iBitmapFormat))
- {
- hDestPalette = hSourcePalette;
- bPaletteMatch = TRUE;
- }
- else
- hDestPalette = BuildDIBPalette(Info, (PINT)&DestPaletteType); //hDestPalette = Dc->DevInfo->hpalDefault;
-
- SourcePalette = PALETTE_LockPalette(hSourcePalette);
- /* FIXME - SourcePalette can be NULL!!! Don't assert here! */
- ASSERT(SourcePalette);
- SourcePaletteType = SourcePalette->Mode;
- PALETTE_UnlockPalette(SourcePalette);
-
- if (bPaletteMatch)
- {
- DestPalette = PALETTE_LockPalette(hDestPalette);
- /* FIXME - DestPalette can be NULL!!!! Don't assert here!!! */
- DPRINT("DestPalette : %p\n", DestPalette);
- ASSERT(DestPalette);
- DestPaletteType = DestPalette->Mode;
- }
- else
- {
- DestPalette = SourcePalette;
- }
-
- /* Copy palette. */
- /* FIXME: This is largely incomplete. ATM no Core!*/
- switch(Info->bmiHeader.biBitCount)
- {
- case 1:
- case 4:
- case 8:
- Info->bmiHeader.biClrUsed = 0;
- if ( psurf->hSecure &&
- BitsPerFormat(psurf->SurfObj.iBitmapFormat) == Info->bmiHeader.biBitCount)
- {
+ ppalDst = ppalSrc;
+ }
+
+ /* Copy palette. */
+ /* FIXME: This is largely incomplete. ATM no Core!*/
+ switch (Info->bmiHeader.biBitCount)
+ {
+ case 1:
+ case 4:
+ case 8:
+ Info->bmiHeader.biClrUsed = 0;
+ if (psurf->hSecure &&
+ BitsPerFormat(psurf->SurfObj.iBitmapFormat) == Info->bmiHeader.biBitCount)
+ {
if (Usage == DIB_RGB_COLORS)
{
- if (DestPalette->NumColors != 1 << Info->bmiHeader.biBitCount)
- Info->bmiHeader.biClrUsed = DestPalette->NumColors;
+ if (ppalDst->NumColors != 1 << Info->bmiHeader.biBitCount)
+ Info->bmiHeader.biClrUsed = ppalDst->NumColors;
for (Index = 0;
- Index < (1 << Info->bmiHeader.biBitCount) && Index < DestPalette->NumColors;
+ Index < (1 << Info->bmiHeader.biBitCount) && Index < ppalDst->NumColors;
Index++)
{
- rgbQuads[Index].rgbRed = DestPalette->IndexedColors[Index].peRed;
- rgbQuads[Index].rgbGreen = DestPalette->IndexedColors[Index].peGreen;
- rgbQuads[Index].rgbBlue = DestPalette->IndexedColors[Index].peBlue;
- rgbQuads[Index].rgbReserved = 0;
+ rgbQuads[Index].rgbRed = ppalDst->IndexedColors[Index].peRed;
+ rgbQuads[Index].rgbGreen = ppalDst->IndexedColors[Index].peGreen;
+ rgbQuads[Index].rgbBlue = ppalDst->IndexedColors[Index].peBlue;
+ rgbQuads[Index].rgbReserved = 0;
}
}
else
{
- PWORD Ptr = ColorPtr;
- for (Index = 0;
- Index < (1 << Info->bmiHeader.biBitCount);
- Index++)
- {
- Ptr[Index] = (WORD)Index;
- }
+ PWORD Ptr = ColorPtr;
+ for (Index = 0;
+ Index < (1 << Info->bmiHeader.biBitCount);
+ Index++)
+ {
+ Ptr[Index] = (WORD)Index;
+ }
}
- }
- else
- {
+ }
+ else
+ {
if (Usage == DIB_PAL_COLORS)
{
- PWORD Ptr = ColorPtr;
- for (Index = 0;
- Index < (1 << Info->bmiHeader.biBitCount);
- Index++)
- {
- Ptr[Index] = (WORD)Index;
- }
+ PWORD Ptr = ColorPtr;
+ for (Index = 0;
+ Index < (1 << Info->bmiHeader.biBitCount);
+ Index++)
+ {
+ Ptr[Index] = (WORD)Index;
+ }
}
else if (Info->bmiHeader.biBitCount > 1 && bPaletteMatch)
{
- for (Index = 0;
- Index < (1 << Info->bmiHeader.biBitCount) && Index < DestPalette->NumColors;
- Index++)
- {
- Info->bmiColors[Index].rgbRed = DestPalette->IndexedColors[Index].peRed;
- Info->bmiColors[Index].rgbGreen = DestPalette->IndexedColors[Index].peGreen;
- Info->bmiColors[Index].rgbBlue = DestPalette->IndexedColors[Index].peBlue;
- Info->bmiColors[Index].rgbReserved = 0;
- }
+ for (Index = 0;
+ Index < (1 << Info->bmiHeader.biBitCount) && Index < ppalDst->NumColors;
+ Index++)
+ {
+ Info->bmiColors[Index].rgbRed = ppalDst->IndexedColors[Index].peRed;
+ Info->bmiColors[Index].rgbGreen = ppalDst->IndexedColors[Index].peGreen;
+ Info->bmiColors[Index].rgbBlue = ppalDst->IndexedColors[Index].peBlue;
+ Info->bmiColors[Index].rgbReserved = 0;
+ }
}
else
{
- switch(Info->bmiHeader.biBitCount)
- {
- case 1:
- rgbQuads[0].rgbRed = rgbQuads[0].rgbGreen = rgbQuads[0].rgbBlue = 0;
- rgbQuads[0].rgbReserved = 0;
- rgbQuads[1].rgbRed = rgbQuads[1].rgbGreen = rgbQuads[1].rgbBlue = 0xff;
- rgbQuads[1].rgbReserved = 0;
- break;
- case 4:
- RtlCopyMemory(ColorPtr, EGAColorsQuads, sizeof(EGAColorsQuads));
- break;
- case 8:
- {
- INT r, g, b;
- RGBQUAD *color;
-
- RtlCopyMemory(rgbQuads, DefLogPaletteQuads, 10 * sizeof(RGBQUAD));
- RtlCopyMemory(rgbQuads + 246, DefLogPaletteQuads + 10, 10 * sizeof(RGBQUAD));
- color = rgbQuads + 10;
- for(r = 0; r <= 5; r++) /* FIXME */
- for(g = 0; g <= 5; g++)
- for(b = 0; b <= 5; b++)
- {
- color->rgbRed = (r * 0xff) / 5;
- color->rgbGreen = (g * 0xff) / 5;
- color->rgbBlue = (b * 0xff) / 5;
- color->rgbReserved = 0;
- color++;
- }
- }
- break;
- }
+ switch (Info->bmiHeader.biBitCount)
+ {
+ case 1:
+ rgbQuads[0].rgbRed = rgbQuads[0].rgbGreen = rgbQuads[0].rgbBlue = 0;
+ rgbQuads[0].rgbReserved = 0;
+ rgbQuads[1].rgbRed = rgbQuads[1].rgbGreen = rgbQuads[1].rgbBlue = 0xff;
+ rgbQuads[1].rgbReserved = 0;
+ break;
+ case 4:
+ RtlCopyMemory(ColorPtr, EGAColorsQuads, sizeof(EGAColorsQuads));
+ break;
+ case 8:
+ {
+ INT r, g, b;
+ RGBQUAD *color;
+
+ RtlCopyMemory(rgbQuads, DefLogPaletteQuads, 10 * sizeof(RGBQUAD));
+ RtlCopyMemory(rgbQuads + 246, DefLogPaletteQuads + 10, 10 * sizeof(RGBQUAD));
+ color = rgbQuads + 10;
+ for (r = 0; r <= 5; r++) /* FIXME */
+ for (g = 0; g <= 5; g++)
+ for (b = 0; b <= 5; b++)
+ {
+ color->rgbRed = (r * 0xff) / 5;
+ color->rgbGreen = (g * 0xff) / 5;
+ color->rgbBlue = (b * 0xff) / 5;
+ color->rgbReserved = 0;
+ color++;
+ }
+ }
+ break;
+ }
}
- }
+ }
- case 15:
- if (Info->bmiHeader.biCompression == BI_BITFIELDS)
- {
+ case 15:
+ if (Info->bmiHeader.biCompression == BI_BITFIELDS)
+ {
((PDWORD)Info->bmiColors)[0] = 0x7c00;
((PDWORD)Info->bmiColors)[1] = 0x03e0;
((PDWORD)Info->bmiColors)[2] = 0x001f;
- }
- break;
+ }
+ break;
- case 16:
- if (Info->bmiHeader.biCompression == BI_BITFIELDS)
- {
+ case 16:
+ if (Info->bmiHeader.biCompression == BI_BITFIELDS)
+ {
((PDWORD)Info->bmiColors)[0] = 0xf800;
((PDWORD)Info->bmiColors)[1] = 0x07e0;
((PDWORD)Info->bmiColors)[2] = 0x001f;
- }
- break;
+ }
+ break;
- case 24:
- case 32:
- if (Info->bmiHeader.biCompression == BI_BITFIELDS)
- {
+ case 24:
+ case 32:
+ if (Info->bmiHeader.biCompression == BI_BITFIELDS)
+ {
((PDWORD)Info->bmiColors)[0] = 0xff0000;
((PDWORD)Info->bmiColors)[1] = 0x00ff00;
((PDWORD)Info->bmiColors)[2] = 0x0000ff;
- }
- break;
- }
+ }
+ break;
+ }
+
+ if (!bPaletteMatch)
+ PALETTE_UnlockPalette(ppalDst);
+
+ /* fill out the BITMAPINFO struct */
+ if (!ChkBits)
+ { // Core or not to Core? We have converted from Core in Gdi~ so?
+ if (Info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
+ {
+ BITMAPCOREHEADER* coreheader = (BITMAPCOREHEADER*) Info;
+ coreheader->bcWidth = psurf->SurfObj.sizlBitmap.cx;
+ coreheader->bcPlanes = 1;
+ coreheader->bcBitCount = BitsPerFormat(psurf->SurfObj.iBitmapFormat);
+ coreheader->bcHeight = psurf->SurfObj.sizlBitmap.cy;
+ if (psurf->SurfObj.lDelta > 0)
+ coreheader->bcHeight = -coreheader->bcHeight;
+ }
+
+ if (Info->bmiHeader.biSize >= sizeof(BITMAPINFOHEADER))
+ {
+ Info->bmiHeader.biWidth = psurf->SurfObj.sizlBitmap.cx;
+ Info->bmiHeader.biHeight = psurf->SurfObj.sizlBitmap.cy;
+ Info->bmiHeader.biPlanes = 1;
+ Info->bmiHeader.biBitCount = BitsPerFormat(psurf->SurfObj.iBitmapFormat);
+ switch (psurf->SurfObj.iBitmapFormat)
+ {
+ /* FIXME: What about BI_BITFIELDS? */
+ case BMF_1BPP:
+ case BMF_4BPP:
+ case BMF_8BPP:
+ case BMF_16BPP:
+ case BMF_24BPP:
+ case BMF_32BPP:
+ Info->bmiHeader.biCompression = BI_RGB;
+ break;
+ case BMF_4RLE:
+ Info->bmiHeader.biCompression = BI_RLE4;
+ break;
+ case BMF_8RLE:
+ Info->bmiHeader.biCompression = BI_RLE8;
+ break;
+ case BMF_JPEG:
+ Info->bmiHeader.biCompression = BI_JPEG;
+ break;
+ case BMF_PNG:
+ Info->bmiHeader.biCompression = BI_PNG;
+ break;
+ }
+ /* Image size has to be calculated */
+ Info->bmiHeader.biSizeImage = DIB_GetDIBWidthBytes(Info->bmiHeader.biWidth,
+ Info->bmiHeader.biBitCount) * Info->bmiHeader.biHeight;
+ Info->bmiHeader.biXPelsPerMeter = 0; /* FIXME */
+ Info->bmiHeader.biYPelsPerMeter = 0; /* FIXME */
+ Info->bmiHeader.biClrUsed = 0;
+ Info->bmiHeader.biClrImportant = 1 << Info->bmiHeader.biBitCount; /* FIXME */
+ /* Report negtive height for top-down bitmaps. */
+ if (psurf->SurfObj.lDelta > 0)
+ Info->bmiHeader.biHeight = -Info->bmiHeader.biHeight;
+ }
+ Result = psurf->SurfObj.sizlBitmap.cy;
+ }
+ else
+ {
+ SIZEL DestSize;
+ POINTL SourcePoint;
- if (bPaletteMatch)
- PALETTE_UnlockPalette(DestPalette);
//
// If we have a good dib pointer, why not just copy bits from there w/o XLATE'ing them.
//
- /* Create the destination bitmap too for the copy operation */
- if (StartScan > psurf->SurfObj.sizlBitmap.cy)
- {
- goto cleanup;
- }
- else
- {
- ScanLines = min(ScanLines, psurf->SurfObj.sizlBitmap.cy - StartScan);
- DestSize.cx = psurf->SurfObj.sizlBitmap.cx;
- DestSize.cy = ScanLines;
-
- hDestBitmap = NULL;
-
- if (Info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
- {
- BITMAPCOREHEADER* coreheader = (BITMAPCOREHEADER*) Info;
- hDestBitmap = EngCreateBitmap(DestSize,
- DIB_GetDIBWidthBytes(DestSize.cx, coreheader->bcBitCount),
- BitmapFormat(coreheader->bcBitCount, BI_RGB),
- 0 < coreheader->bcHeight ? 0 : BMF_TOPDOWN,
- Bits);
- }
-
- if (Info->bmiHeader.biSize >= sizeof(BITMAPINFOHEADER))
- {
- Info->bmiHeader.biSizeImage = DIB_GetDIBWidthBytes(DestSize.cx,
- Info->bmiHeader.biBitCount) * DestSize.cy;
-
- hDestBitmap = EngCreateBitmap(DestSize,
- DIB_GetDIBWidthBytes(DestSize.cx, Info->bmiHeader.biBitCount),
- BitmapFormat(Info->bmiHeader.biBitCount, Info->bmiHeader.biCompression),
- 0 < Info->bmiHeader.biHeight ? 0 : BMF_TOPDOWN,
- Bits);
- }
-
- if (hDestBitmap == NULL)
- goto cleanup;
- }
-
- if (NT_SUCCESS(Status))
- {
- XLATEOBJ *XlateObj;
- SURFOBJ *DestSurfObj;
- RECTL DestRect;
-
- XlateObj = IntEngCreateXlate(DestPaletteType,
- SourcePaletteType,
- hDestPalette,
- hSourcePalette);
-
- SourcePoint.x = 0;
- SourcePoint.y = psurf->SurfObj.sizlBitmap.cy - (StartScan + ScanLines);
-
- /* Determine destination rectangle */
- DestRect.top = 0;
- DestRect.left = 0;
- DestRect.right = DestSize.cx;
- DestRect.bottom = DestSize.cy;
-
- DestSurfObj = EngLockSurface((HSURF)hDestBitmap);
-
- if (EngCopyBits( DestSurfObj,
- &psurf->SurfObj,
- NULL,
- XlateObj,
- &DestRect,
- &SourcePoint))
- {
- DPRINT("GetDIBits %d \n",abs(Info->bmiHeader.biHeight) - StartScan);
- Result = ScanLines;
- }
-
- EngDeleteXlate(XlateObj);
- EngUnlockSurface(DestSurfObj);
- }
+ /* Create the destination bitmap too for the copy operation */
+ if (StartScan > psurf->SurfObj.sizlBitmap.cy)
+ {
+ goto cleanup;
+ }
+ else
+ {
+ ScanLines = min(ScanLines, psurf->SurfObj.sizlBitmap.cy - StartScan);
+ DestSize.cx = psurf->SurfObj.sizlBitmap.cx;
+ DestSize.cy = ScanLines;
+
+ hDestBitmap = NULL;
+
+ if (Info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
+ {
+ BITMAPCOREHEADER* coreheader = (BITMAPCOREHEADER*) Info;
+ hDestBitmap = EngCreateBitmap(DestSize,
+ DIB_GetDIBWidthBytes(DestSize.cx, coreheader->bcBitCount),
+ BitmapFormat(coreheader->bcBitCount, BI_RGB),
+ 0 < coreheader->bcHeight ? 0 : BMF_TOPDOWN,
+ Bits);
+ }
+
+ if (Info->bmiHeader.biSize >= sizeof(BITMAPINFOHEADER))
+ {
+ Info->bmiHeader.biSizeImage = DIB_GetDIBWidthBytes(DestSize.cx,
+ Info->bmiHeader.biBitCount) * DestSize.cy;
+
+ hDestBitmap = EngCreateBitmap(DestSize,
+ DIB_GetDIBWidthBytes(DestSize.cx, Info->bmiHeader.biBitCount),
+ BitmapFormat(Info->bmiHeader.biBitCount, Info->bmiHeader.biCompression),
+ 0 < Info->bmiHeader.biHeight ? 0 : BMF_TOPDOWN,
+ Bits);
+ }
+
+ if (hDestBitmap == NULL)
+ goto cleanup;
+ }
+
+ if (NT_SUCCESS(Status))
+ {
+ EXLATEOBJ exlo;
+ SURFOBJ *DestSurfObj;
+ RECTL DestRect;
+
+ EXLATEOBJ_vInitialize(&exlo, ppalSrc, ppalDst, 0, 0, 0);
+
+ SourcePoint.x = 0;
+ SourcePoint.y = psurf->SurfObj.sizlBitmap.cy - (StartScan + ScanLines);
+
+ /* Determine destination rectangle */
+ DestRect.top = 0;
+ DestRect.left = 0;
+ DestRect.right = DestSize.cx;
+ DestRect.bottom = DestSize.cy;
+
+ DestSurfObj = EngLockSurface((HSURF)hDestBitmap);
+
+ if (IntEngCopyBits(DestSurfObj,
+ &psurf->SurfObj,
+ NULL,
+ &exlo.xlo,
+ &DestRect,
+ &SourcePoint))
+ {
+ DPRINT("GetDIBits %d \n",abs(Info->bmiHeader.biHeight) - StartScan);
+ Result = ScanLines;
+ }
+
+ EXLATEOBJ_vCleanup(&exlo);
+ EngUnlockSurface(DestSurfObj);
+ }
}
cleanup:
+ PALETTE_UnlockPalette(ppalSrc);
+
if (hDestBitmap != NULL)
EngDeleteSurface((HSURF)hDestBitmap);
UINT cjMaxBits,
HANDLE hcmXform)
{
- HBITMAP hBitmap, hOldBitmap = NULL;
- HDC hdcMem;
- HPALETTE hPal = NULL;
- PDC pDC;
- BOOL Hit = FALSE;
-
- if (!Bits || !BitsInfo)
- {
- SetLastWin32Error(ERROR_INVALID_PARAMETER);
- return 0;
- }
-
- _SEH2_TRY
- {
- ProbeForRead(BitsInfo, cjMaxInfo, 1);
- ProbeForRead(Bits, cjMaxBits, 1);
- }
- _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
- {
- Hit = TRUE;
- }
- _SEH2_END
-
- if (Hit)
- {
- DPRINT1("NtGdiStretchDIBitsInternal fail to read BitMapInfo: %x or Bits: %x\n",BitsInfo,Bits);
- return 0;
- }
-
- hdcMem = NtGdiCreateCompatibleDC(hDC);
- if (hdcMem == NULL)
- {
- DPRINT1("NtGdiCreateCompatibleDC fail create hdc\n");
- return 0;
- }
-
- hBitmap = NtGdiCreateCompatibleBitmap( hDC,
- abs(BitsInfo->bmiHeader.biWidth),
- abs(BitsInfo->bmiHeader.biHeight));
- if (hBitmap == NULL)
- {
- DPRINT1("NtGdiCreateCompatibleBitmap fail create bitmap\n");
- DPRINT1("hDC : 0x%08x \n", hDC);
- DPRINT1("BitsInfo->bmiHeader.biWidth : 0x%08x \n", BitsInfo->bmiHeader.biWidth);
- DPRINT1("BitsInfo->bmiHeader.biHeight : 0x%08x \n", BitsInfo->bmiHeader.biHeight);
- return 0;
- }
-
- /* Select the bitmap into hdcMem, and save a handle to the old bitmap */
- hOldBitmap = NtGdiSelectBitmap(hdcMem, hBitmap);
-
- if(Usage == DIB_PAL_COLORS)
- {
- hPal = NtGdiGetDCObject(hDC, GDI_OBJECT_TYPE_PALETTE);
- hPal = GdiSelectPalette(hdcMem, hPal, FALSE);
- }
-
- if (BitsInfo->bmiHeader.biCompression == BI_RLE4 ||
- BitsInfo->bmiHeader.biCompression == BI_RLE8)
- {
- /* copy existing bitmap from destination dc */
- if (SrcWidth == DestWidth && SrcHeight == DestHeight)
- NtGdiBitBlt(hdcMem, XSrc, abs(BitsInfo->bmiHeader.biHeight) - SrcHeight - YSrc,
- SrcWidth, SrcHeight, hDC, XDest, YDest, ROP, 0, 0);
- else
- NtGdiStretchBlt(hdcMem, XSrc, abs(BitsInfo->bmiHeader.biHeight) - SrcHeight - YSrc,
- SrcWidth, SrcHeight, hDC, XDest, YDest, DestWidth, DestHeight,
- ROP, 0);
- }
-
- pDC = DC_LockDc(hdcMem);
- if (pDC != NULL)
- {
- /* Note BitsInfo->bmiHeader.biHeight is the number of scanline,
+ HBITMAP hBitmap, hOldBitmap = NULL;
+ HDC hdcMem;
+ HPALETTE hPal = NULL;
+ PDC pDC;
+ BOOL Hit = FALSE;
+
+ if (!Bits || !BitsInfo)
+ {
+ SetLastWin32Error(ERROR_INVALID_PARAMETER);
+ return 0;
+ }
+
+ _SEH2_TRY
+ {
+ ProbeForRead(BitsInfo, cjMaxInfo, 1);
+ ProbeForRead(Bits, cjMaxBits, 1);
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ Hit = TRUE;
+ }
+ _SEH2_END
+
+ if (Hit)
+ {
+ DPRINT1("NtGdiStretchDIBitsInternal fail to read BitMapInfo: %x or Bits: %x\n",BitsInfo,Bits);
+ return 0;
+ }
+
+ hdcMem = NtGdiCreateCompatibleDC(hDC);
+ if (hdcMem == NULL)
+ {
+ DPRINT1("NtGdiCreateCompatibleDC fail create hdc\n");
+ return 0;
+ }
+
+ hBitmap = NtGdiCreateCompatibleBitmap(hDC,
+ abs(BitsInfo->bmiHeader.biWidth),
+ abs(BitsInfo->bmiHeader.biHeight));
+ if (hBitmap == NULL)
+ {
+ DPRINT1("NtGdiCreateCompatibleBitmap fail create bitmap\n");
+ DPRINT1("hDC : 0x%08x \n", hDC);
+ DPRINT1("BitsInfo->bmiHeader.biWidth : 0x%08x \n", BitsInfo->bmiHeader.biWidth);
+ DPRINT1("BitsInfo->bmiHeader.biHeight : 0x%08x \n", BitsInfo->bmiHeader.biHeight);
+ return 0;
+ }
+
+ /* Select the bitmap into hdcMem, and save a handle to the old bitmap */
+ hOldBitmap = NtGdiSelectBitmap(hdcMem, hBitmap);
+
+ if (Usage == DIB_PAL_COLORS)
+ {
+ hPal = NtGdiGetDCObject(hDC, GDI_OBJECT_TYPE_PALETTE);
+ hPal = GdiSelectPalette(hdcMem, hPal, FALSE);
+ }
+
+ if (BitsInfo->bmiHeader.biCompression == BI_RLE4 ||
+ BitsInfo->bmiHeader.biCompression == BI_RLE8)
+ {
+ /* copy existing bitmap from destination dc */
+ if (SrcWidth == DestWidth && SrcHeight == DestHeight)
+ NtGdiBitBlt(hdcMem, XSrc, abs(BitsInfo->bmiHeader.biHeight) - SrcHeight - YSrc,
+ SrcWidth, SrcHeight, hDC, XDest, YDest, ROP, 0, 0);
+ else
+ NtGdiStretchBlt(hdcMem, XSrc, abs(BitsInfo->bmiHeader.biHeight) - SrcHeight - YSrc,
+ SrcWidth, SrcHeight, hDC, XDest, YDest, DestWidth, DestHeight,
+ ROP, 0);
+ }
+
+ pDC = DC_LockDc(hdcMem);
+ if (pDC != NULL)
+ {
+ /* Note BitsInfo->bmiHeader.biHeight is the number of scanline,
* if it negitve we getting to many scanline for scanline is UINT not
* a INT, so we need make the negtive value to positve and that make the
* count correct for negtive bitmap, TODO : we need testcase for this api */
- IntSetDIBits(pDC, hBitmap, 0, abs(BitsInfo->bmiHeader.biHeight), Bits,
- BitsInfo, Usage);
+ IntSetDIBits(pDC, hBitmap, 0, abs(BitsInfo->bmiHeader.biHeight), Bits,
+ BitsInfo, Usage);
DC_UnlockDc(pDC);
- }
+ }
- /* Origin for DIBitmap may be bottom left (positive biHeight) or top
- left (negative biHeight) */
- if (SrcWidth == DestWidth && SrcHeight == DestHeight)
- NtGdiBitBlt(hDC, XDest, YDest, DestWidth, DestHeight,
- hdcMem, XSrc, abs(BitsInfo->bmiHeader.biHeight) - SrcHeight - YSrc,
- ROP, 0, 0);
- else
- NtGdiStretchBlt(hDC, XDest, YDest, DestWidth, DestHeight,
- hdcMem, XSrc, abs(BitsInfo->bmiHeader.biHeight) - SrcHeight - YSrc,
- SrcWidth, SrcHeight, ROP, 0);
+ /* Origin for DIBitmap may be bottom left (positive biHeight) or top
+ left (negative biHeight) */
+ if (SrcWidth == DestWidth && SrcHeight == DestHeight)
+ NtGdiBitBlt(hDC, XDest, YDest, DestWidth, DestHeight,
+ hdcMem, XSrc, abs(BitsInfo->bmiHeader.biHeight) - SrcHeight - YSrc,
+ ROP, 0, 0);
+ else
+ NtGdiStretchBlt(hDC, XDest, YDest, DestWidth, DestHeight,
+ hdcMem, XSrc, abs(BitsInfo->bmiHeader.biHeight) - SrcHeight - YSrc,
+ SrcWidth, SrcHeight, ROP, 0);
/* cleanup */
- if(hPal)
- GdiSelectPalette(hdcMem, hPal, FALSE);
+ if (hPal)
+ GdiSelectPalette(hdcMem, hPal, FALSE);
- if (hOldBitmap)
- NtGdiSelectBitmap(hdcMem, hOldBitmap);
+ if (hOldBitmap)
+ NtGdiSelectBitmap(hdcMem, hOldBitmap);
- NtGdiDeleteObjectApp(hdcMem);
+ NtGdiDeleteObjectApp(hdcMem);
- NtGdiDeleteObject(hBitmap);
+ GreDeleteObject(hBitmap);
- return SrcHeight;
+ return SrcHeight;
}
HBITMAP
FASTCALL
-IntCreateDIBitmap(PDC Dc,
- INT width,
- INT height,
- UINT bpp,
- DWORD init,
- LPBYTE bits,
- PBITMAPINFO data,
- DWORD coloruse)
+IntCreateDIBitmap(
+ PDC Dc,
+ INT width,
+ INT height,
+ UINT bpp,
+ DWORD init,
+ LPBYTE bits,
+ PBITMAPINFO data,
+ DWORD coloruse)
{
- HBITMAP handle;
- BOOL fColor;
+ HBITMAP handle;
+ BOOL fColor;
- // Check if we should create a monochrome or color bitmap. We create a monochrome bitmap only if it has exactly 2
- // colors, which are black followed by white, nothing else. In all other cases, we create a color bitmap.
+ // Check if we should create a monochrome or color bitmap. We create a monochrome bitmap only if it has exactly 2
+ // colors, which are black followed by white, nothing else. In all other cases, we create a color bitmap.
- if (bpp != 1) fColor = TRUE;
- else if ((coloruse != DIB_RGB_COLORS) || (init != CBM_INIT) || !data) fColor = FALSE;
- else
- {
- if (data->bmiHeader.biSize == sizeof(BITMAPINFOHEADER))
+ if (bpp != 1) fColor = TRUE;
+ else if ((coloruse != DIB_RGB_COLORS) || (init != CBM_INIT) || !data) fColor = FALSE;
+ else
{
- const RGBQUAD *rgb = data->bmiColors;
- DWORD col = RGB( rgb->rgbRed, rgb->rgbGreen, rgb->rgbBlue );
-
- // Check if the first color of the colormap is black
- if ((col == RGB(0, 0, 0)))
- {
- rgb++;
- col = RGB( rgb->rgbRed, rgb->rgbGreen, rgb->rgbBlue );
-
- // If the second color is white, create a monochrome bitmap
- fColor = (col != RGB(0xff,0xff,0xff));
- }
- else fColor = TRUE;
+ if (data->bmiHeader.biSize == sizeof(BITMAPINFOHEADER))
+ {
+ const RGBQUAD *rgb = data->bmiColors;
+ DWORD col = RGB(rgb->rgbRed, rgb->rgbGreen, rgb->rgbBlue);
+
+ // Check if the first color of the colormap is black
+ if ((col == RGB(0, 0, 0)))
+ {
+ rgb++;
+ col = RGB(rgb->rgbRed, rgb->rgbGreen, rgb->rgbBlue);
+
+ // If the second color is white, create a monochrome bitmap
+ fColor = (col != RGB(0xff,0xff,0xff));
+ }
+ else fColor = TRUE;
+ }
+ else if (data->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
+ {
+ RGBTRIPLE *rgb = ((BITMAPCOREINFO *)data)->bmciColors;
+ DWORD col = RGB(rgb->rgbtRed, rgb->rgbtGreen, rgb->rgbtBlue);
+
+ if ((col == RGB(0,0,0)))
+ {
+ rgb++;
+ col = RGB(rgb->rgbtRed, rgb->rgbtGreen, rgb->rgbtBlue);
+ fColor = (col != RGB(0xff,0xff,0xff));
+ }
+ else fColor = TRUE;
+ }
+ else
+ {
+ DPRINT("(%ld): wrong size for data\n", data->bmiHeader.biSize);
+ return 0;
+ }
}
- else if (data->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
- {
- RGBTRIPLE *rgb = ((BITMAPCOREINFO *)data)->bmciColors;
- DWORD col = RGB( rgb->rgbtRed, rgb->rgbtGreen, rgb->rgbtBlue);
- if ((col == RGB(0,0,0)))
- {
- rgb++;
- col = RGB( rgb->rgbtRed, rgb->rgbtGreen, rgb->rgbtBlue );
- fColor = (col != RGB(0xff,0xff,0xff));
- }
- else fColor = TRUE;
+ // Now create the bitmap
+ if (fColor)
+ {
+ handle = IntCreateCompatibleBitmap(Dc, width, height);
}
else
{
- DPRINT("(%ld): wrong size for data\n", data->bmiHeader.biSize );
- return 0;
- }
- }
-
- // Now create the bitmap
- if (fColor)
- {
- handle = IntCreateCompatibleBitmap(Dc, width, height);
- }
- else
- {
- handle = IntGdiCreateBitmap(width,
- height,
- 1,
- 1,
- NULL);
- }
-
- if (height < 0)
- height = -height;
-
- if (NULL != handle && CBM_INIT == init)
- {
- IntSetDIBits(Dc, handle, 0, height, bits, data, coloruse);
- }
-
- return handle;
+ handle = IntGdiCreateBitmap(width,
+ height,
+ 1,
+ 1,
+ NULL);
+ }
+
+ if (height < 0)
+ height = -height;
+
+ if (NULL != handle && CBM_INIT == init)
+ {
+ IntSetDIBits(Dc, handle, 0, height, bits, data, coloruse);
+ }
+
+ return handle;
}
// The CreateDIBitmap function creates a device-dependent bitmap (DDB) from a DIB and, optionally, sets the bitmap bits
// The DDB that is created will be whatever bit depth your reference DC is
HBITMAP
APIENTRY
-NtGdiCreateDIBitmapInternal(IN HDC hDc,
- IN INT cx,
- IN INT cy,
- IN DWORD fInit,
- IN OPTIONAL LPBYTE pjInit,
- IN OPTIONAL LPBITMAPINFO pbmi,
- IN DWORD iUsage,
- IN UINT cjMaxInitInfo,
- IN UINT cjMaxBits,
- IN FLONG fl,
- IN HANDLE hcmXform)
+NtGdiCreateDIBitmapInternal(
+ IN HDC hDc,
+ IN INT cx,
+ IN INT cy,
+ IN DWORD fInit,
+ IN OPTIONAL LPBYTE pjInit,
+ IN OPTIONAL LPBITMAPINFO pbmi,
+ IN DWORD iUsage,
+ IN UINT cjMaxInitInfo,
+ IN UINT cjMaxBits,
+ IN FLONG fl,
+ IN HANDLE hcmXform)
{
- PDC Dc;
- HBITMAP Bmp;
- UINT bpp;
-
- if (!hDc) // CreateBitmap
- { // Should use System Bitmap DC hSystemBM, with CreateCompatibleDC for this.
- hDc = IntGdiCreateDC(NULL, NULL, NULL, NULL,FALSE);
- if (!hDc)
- {
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return NULL;
- }
+ PDC Dc;
+ HBITMAP Bmp;
+ UINT bpp;
+
+ if (!hDc) // CreateBitmap
+ { // Should use System Bitmap DC hSystemBM, with CreateCompatibleDC for this.
+ hDc = IntGdiCreateDC(NULL, NULL, NULL, NULL,FALSE);
+ if (!hDc)
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return NULL;
+ }
- Dc = DC_LockDc(hDc);
- if (!Dc)
- {
+ Dc = DC_LockDc(hDc);
+ if (!Dc)
+ {
+ NtGdiDeleteObjectApp(hDc);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return NULL;
+ }
+ bpp = 1;
+ Bmp = IntCreateDIBitmap(Dc, cx, cy, bpp, fInit, pjInit, pbmi, iUsage);
+
+ DC_UnlockDc(Dc);
NtGdiDeleteObjectApp(hDc);
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return NULL;
- }
- bpp = 1;
- Bmp = IntCreateDIBitmap(Dc, cx, cy, bpp, fInit, pjInit, pbmi, iUsage);
-
- DC_UnlockDc(Dc);
- NtGdiDeleteObjectApp(hDc);
- }
- else // CreateCompatibleBitmap
- {
- Dc = DC_LockDc(hDc);
- if (!Dc)
- {
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return NULL;
- }
- /* pbmi == null
- First create an un-initialised bitmap. The depth of the bitmap
- should match that of the hdc and not that supplied in bmih.
- */
- if (pbmi)
- bpp = pbmi->bmiHeader.biBitCount;
- else
- {
- if (Dc->dctype != DC_TYPE_MEMORY )
- bpp = IntGdiGetDeviceCaps(Dc, BITSPIXEL);
+ }
+ else // CreateCompatibleBitmap
+ {
+ Dc = DC_LockDc(hDc);
+ if (!Dc)
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return NULL;
+ }
+ /* pbmi == null
+ First create an un-initialised bitmap. The depth of the bitmap
+ should match that of the hdc and not that supplied in bmih.
+ */
+ if (pbmi)
+ bpp = pbmi->bmiHeader.biBitCount;
else
{
- DIBSECTION dibs;
- INT Count;
- SURFACE *psurf = SURFACE_LockSurface(Dc->rosdc.hBitmap);
- Count = BITMAP_GetObject(psurf, sizeof(dibs), &dibs);
- if (!Count)
- bpp = 1;
- else
- {
- if (Count == sizeof(BITMAP))
- /* A device-dependent bitmap is selected in the DC */
- bpp = dibs.dsBm.bmBitsPixel;
- else
- /* A DIB section is selected in the DC */
- bpp = dibs.dsBmih.biBitCount;
- }
- SURFACE_UnlockSurface(psurf);
+ if (Dc->dctype != DC_TYPE_MEMORY)
+ bpp = IntGdiGetDeviceCaps(Dc, BITSPIXEL);
+ else
+ {
+ DIBSECTION dibs;
+ INT Count;
+ SURFACE *psurf = Dc->dclevel.pSurface;
+ Count = BITMAP_GetObject(psurf, sizeof(dibs), &dibs);
+ if (!Count)
+ bpp = 1;
+ else
+ {
+ if (Count == sizeof(BITMAP))
+ /* A device-dependent bitmap is selected in the DC */
+ bpp = dibs.dsBm.bmBitsPixel;
+ else
+ /* A DIB section is selected in the DC */
+ bpp = dibs.dsBmih.biBitCount;
+ }
+ }
}
- }
- Bmp = IntCreateDIBitmap(Dc, cx, cy, bpp, fInit, pjInit, pbmi, iUsage);
- DC_UnlockDc(Dc);
- }
- return Bmp;
+ Bmp = IntCreateDIBitmap(Dc, cx, cy, bpp, fInit, pjInit, pbmi, iUsage);
+ DC_UnlockDc(Dc);
+ }
+ return Bmp;
}
-HBITMAP APIENTRY NtGdiCreateDIBSection(HDC hDC,
- IN OPTIONAL HANDLE hSection,
- IN DWORD dwOffset,
- IN LPBITMAPINFO bmi,
- DWORD Usage,
- IN UINT cjHeader,
- IN FLONG fl,
- IN ULONG_PTR dwColorSpace,
- PVOID *Bits)
+HBITMAP
+APIENTRY
+NtGdiCreateDIBSection(
+ IN HDC hDC,
+ IN OPTIONAL HANDLE hSection,
+ IN DWORD dwOffset,
+ IN LPBITMAPINFO bmi,
+ IN DWORD Usage,
+ IN UINT cjHeader,
+ IN FLONG fl,
+ IN ULONG_PTR dwColorSpace,
+ OUT PVOID *Bits)
{
- HBITMAP hbitmap = 0;
- DC *dc;
- BOOL bDesktopDC = FALSE;
-
- if (!bmi) return hbitmap; // Make sure.
-
- // If the reference hdc is null, take the desktop dc
- if (hDC == 0)
- {
- hDC = NtGdiCreateCompatibleDC(0);
- bDesktopDC = TRUE;
- }
-
- if ((dc = DC_LockDc(hDC)))
- {
- hbitmap = DIB_CreateDIBSection ( dc, (BITMAPINFO*)bmi, Usage, Bits,
- hSection, dwOffset, 0);
- DC_UnlockDc(dc);
- }
- else
- {
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- }
+ HBITMAP hbitmap = 0;
+ DC *dc;
+ BOOL bDesktopDC = FALSE;
- if (bDesktopDC)
- NtGdiDeleteObjectApp(hDC);
+ if (!bmi) return hbitmap; // Make sure.
+
+ // If the reference hdc is null, take the desktop dc
+ if (hDC == 0)
+ {
+ hDC = NtGdiCreateCompatibleDC(0);
+ bDesktopDC = TRUE;
+ }
- return hbitmap;
+ if ((dc = DC_LockDc(hDC)))
+ {
+ hbitmap = DIB_CreateDIBSection(dc,
+ (BITMAPINFO*)bmi,
+ Usage,
+ Bits,
+ hSection,
+ dwOffset,
+ 0);
+ DC_UnlockDc(dc);
+ }
+ else
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ }
+
+ if (bDesktopDC)
+ NtGdiDeleteObjectApp(hDC);
+
+ return hbitmap;
}
-HBITMAP APIENTRY
+HBITMAP
+APIENTRY
DIB_CreateDIBSection(
- PDC dc,
- BITMAPINFO *bmi,
- UINT usage,
- LPVOID *bits,
- HANDLE section,
- DWORD offset,
- DWORD ovr_pitch)
+ PDC dc,
+ BITMAPINFO *bmi,
+ UINT usage,
+ LPVOID *bits,
+ HANDLE section,
+ DWORD offset,
+ DWORD ovr_pitch)
{
- HBITMAP res = 0;
- SURFACE *bmp = NULL;
- void *mapBits = NULL;
- PDC_ATTR pdcattr;
-
- // Fill BITMAP32 structure with DIB data
- BITMAPINFOHEADER *bi = &bmi->bmiHeader;
- INT effHeight;
- ULONG totalSize;
- BITMAP bm;
- SIZEL Size;
- RGBQUAD *lpRGB;
- HANDLE hSecure;
- DWORD dsBitfields[3] = {0};
-
- DPRINT("format (%ld,%ld), planes %d, bpp %d, size %ld, colors %ld (%s)\n",
- bi->biWidth, bi->biHeight, bi->biPlanes, bi->biBitCount,
- bi->biSizeImage, bi->biClrUsed, usage == DIB_PAL_COLORS? "PAL" : "RGB");
-
- /* CreateDIBSection should fail for compressed formats */
- if (bi->biCompression == BI_RLE4 || bi->biCompression == BI_RLE8)
- {
- return (HBITMAP)NULL;
- }
-
- pdcattr = dc->pdcattr;
-
- effHeight = bi->biHeight >= 0 ? bi->biHeight : -bi->biHeight;
- bm.bmType = 0;
- bm.bmWidth = bi->biWidth;
- bm.bmHeight = effHeight;
- bm.bmWidthBytes = ovr_pitch ? ovr_pitch : (ULONG) DIB_GetDIBWidthBytes(bm.bmWidth, bi->biBitCount);
-
- bm.bmPlanes = bi->biPlanes;
- bm.bmBitsPixel = bi->biBitCount;
- bm.bmBits = NULL;
-
- // Get storage location for DIB bits. Only use biSizeImage if it's valid and
- // we're dealing with a compressed bitmap. Otherwise, use width * height.
- totalSize = bi->biSizeImage && bi->biCompression != BI_RGB
- ? bi->biSizeImage : (ULONG) (bm.bmWidthBytes * effHeight);
-
- if (section)
- {
- SYSTEM_BASIC_INFORMATION Sbi;
- NTSTATUS Status;
- DWORD mapOffset;
- LARGE_INTEGER SectionOffset;
- SIZE_T mapSize;
-
- Status = ZwQuerySystemInformation ( SystemBasicInformation,
- &Sbi,
- sizeof Sbi,
- 0);
- if (!NT_SUCCESS(Status))
- {
- return NULL;
- }
-
- mapOffset = offset - (offset % Sbi.AllocationGranularity);
- mapSize = bi->biSizeImage + (offset - mapOffset);
-
- SectionOffset.LowPart = mapOffset;
- SectionOffset.HighPart = 0;
-
- Status = ZwMapViewOfSection ( section,
- NtCurrentProcess(),
- &mapBits,
- 0,
- 0,
- &SectionOffset,
- &mapSize,
- ViewShare,
- 0,
- PAGE_READWRITE);
- if (!NT_SUCCESS(Status))
- {
- SetLastWin32Error(ERROR_INVALID_PARAMETER);
- return NULL;
- }
-
- if (mapBits) bm.bmBits = (char *)mapBits + (offset - mapOffset);
- }
- else if (ovr_pitch && offset)
- bm.bmBits = (LPVOID) offset;
- else
- {
- offset = 0;
- bm.bmBits = EngAllocUserMem( totalSize, 0 );
- }
+ HBITMAP res = 0;
+ SURFACE *bmp = NULL;
+ void *mapBits = NULL;
+ PDC_ATTR pdcattr;
+
+ // Fill BITMAP32 structure with DIB data
+ BITMAPINFOHEADER *bi = &bmi->bmiHeader;
+ INT effHeight;
+ ULONG totalSize;
+ BITMAP bm;
+ SIZEL Size;
+ RGBQUAD *lpRGB;
+ HANDLE hSecure;
+ DWORD dsBitfields[3] = {0};
+ ULONG ColorCount;
+
+ DPRINT("format (%ld,%ld), planes %d, bpp %d, size %ld, colors %ld (%s)\n",
+ bi->biWidth, bi->biHeight, bi->biPlanes, bi->biBitCount,
+ bi->biSizeImage, bi->biClrUsed, usage == DIB_PAL_COLORS? "PAL" : "RGB");
+
+ /* CreateDIBSection should fail for compressed formats */
+ if (bi->biCompression == BI_RLE4 || bi->biCompression == BI_RLE8)
+ {
+ return (HBITMAP)NULL;
+ }
+
+ pdcattr = dc->pdcattr;
+
+ effHeight = bi->biHeight >= 0 ? bi->biHeight : -bi->biHeight;
+ bm.bmType = 0;
+ bm.bmWidth = bi->biWidth;
+ bm.bmHeight = effHeight;
+ bm.bmWidthBytes = ovr_pitch ? ovr_pitch : (ULONG) DIB_GetDIBWidthBytes(bm.bmWidth, bi->biBitCount);
+
+ bm.bmPlanes = bi->biPlanes;
+ bm.bmBitsPixel = bi->biBitCount;
+ bm.bmBits = NULL;
+
+ // Get storage location for DIB bits. Only use biSizeImage if it's valid and
+ // we're dealing with a compressed bitmap. Otherwise, use width * height.
+ totalSize = bi->biSizeImage && bi->biCompression != BI_RGB
+ ? bi->biSizeImage : (ULONG)(bm.bmWidthBytes * effHeight);
+
+ if (section)
+ {
+ SYSTEM_BASIC_INFORMATION Sbi;
+ NTSTATUS Status;
+ DWORD mapOffset;
+ LARGE_INTEGER SectionOffset;
+ SIZE_T mapSize;
+
+ Status = ZwQuerySystemInformation(SystemBasicInformation,
+ &Sbi,
+ sizeof Sbi,
+ 0);
+ if (!NT_SUCCESS(Status))
+ {
+ return NULL;
+ }
+
+ mapOffset = offset - (offset % Sbi.AllocationGranularity);
+ mapSize = bi->biSizeImage + (offset - mapOffset);
+
+ SectionOffset.LowPart = mapOffset;
+ SectionOffset.HighPart = 0;
+
+ Status = ZwMapViewOfSection(section,
+ NtCurrentProcess(),
+ &mapBits,
+ 0,
+ 0,
+ &SectionOffset,
+ &mapSize,
+ ViewShare,
+ 0,
+ PAGE_READWRITE);
+ if (!NT_SUCCESS(Status))
+ {
+ SetLastWin32Error(ERROR_INVALID_PARAMETER);
+ return NULL;
+ }
+
+ if (mapBits) bm.bmBits = (char *)mapBits + (offset - mapOffset);
+ }
+ else if (ovr_pitch && offset)
+ bm.bmBits = (LPVOID) offset;
+ else
+ {
+ offset = 0;
+ bm.bmBits = EngAllocUserMem(totalSize, 0);
+ }
// hSecure = MmSecureVirtualMemory(bm.bmBits, totalSize, PAGE_READWRITE);
- hSecure = (HANDLE)0x1; // HACK OF UNIMPLEMENTED KERNEL STUFF !!!!
+ hSecure = (HANDLE)0x1; // HACK OF UNIMPLEMENTED KERNEL STUFF !!!!
- if(usage == DIB_PAL_COLORS)
- lpRGB = DIB_MapPaletteColors(dc, bmi);
- else
- lpRGB = bmi->bmiColors;
+ if (usage == DIB_PAL_COLORS)
+ {
+ lpRGB = DIB_MapPaletteColors(dc, bmi);
+ ColorCount = bi->biClrUsed;
+ if (ColorCount == 0)
+ {
+ ColorCount = 1 << bi->biBitCount;
+ }
+ }
+ else
+ {
+ lpRGB = bmi->bmiColors;
+ ColorCount = 1 << bi->biBitCount;
+ }
/* Set dsBitfields values */
- if ( usage == DIB_PAL_COLORS || bi->biBitCount <= 8)
+ if (usage == DIB_PAL_COLORS || bi->biBitCount <= 8)
{
- dsBitfields[0] = dsBitfields[1] = dsBitfields[2] = 0;
+ dsBitfields[0] = dsBitfields[1] = dsBitfields[2] = 0;
}
else if (bi->biCompression == BI_RGB)
{
- switch(bi->biBitCount)
+ switch (bi->biBitCount)
{
- case 15:
- case 16:
- dsBitfields[0] = (bi->biCompression == BI_BITFIELDS) ? *(DWORD *)lpRGB : 0x7c00;
- dsBitfields[1] = (bi->biCompression == BI_BITFIELDS) ? *((DWORD *)lpRGB + 1) : 0x03e0;
- dsBitfields[2] = (bi->biCompression == BI_BITFIELDS) ? *((DWORD *)lpRGB + 2) : 0x001f;
- break;
-
- case 24:
- case 32:
- dsBitfields[0] = (bi->biCompression == BI_BITFIELDS) ? *(DWORD *)lpRGB : 0xff0000;
- dsBitfields[1] = (bi->biCompression == BI_BITFIELDS) ? *((DWORD *)lpRGB + 1) : 0x00ff00;
- dsBitfields[2] = (bi->biCompression == BI_BITFIELDS) ? *((DWORD *)lpRGB + 2) : 0x0000ff;
- break;
+ case 15:
+ case 16:
+ dsBitfields[0] = (bi->biCompression == BI_BITFIELDS) ? *(DWORD *)lpRGB : 0x7c00;
+ dsBitfields[1] = (bi->biCompression == BI_BITFIELDS) ? *((DWORD *)lpRGB + 1) : 0x03e0;
+ dsBitfields[2] = (bi->biCompression == BI_BITFIELDS) ? *((DWORD *)lpRGB + 2) : 0x001f;
+ break;
+
+ case 24:
+ case 32:
+ dsBitfields[0] = (bi->biCompression == BI_BITFIELDS) ? *(DWORD *)lpRGB : 0xff0000;
+ dsBitfields[1] = (bi->biCompression == BI_BITFIELDS) ? *((DWORD *)lpRGB + 1) : 0x00ff00;
+ dsBitfields[2] = (bi->biCompression == BI_BITFIELDS) ? *((DWORD *)lpRGB + 2) : 0x0000ff;
+ break;
}
}
else
// Create Device Dependent Bitmap and add DIB pointer
Size.cx = bm.bmWidth;
Size.cy = abs(bm.bmHeight);
- res = IntCreateBitmap( Size,
- bm.bmWidthBytes,
- BitmapFormat(bi->biBitCount * bi->biPlanes, bi->biCompression),
- BMF_DONTCACHE | BMF_USERMEM | BMF_NOZEROINIT |
- (bi->biHeight < 0 ? BMF_TOPDOWN : 0),
- bm.bmBits);
- if ( !res )
+ res = IntCreateBitmap(Size,
+ bm.bmWidthBytes,
+ BitmapFormat(bi->biBitCount * bi->biPlanes, bi->biCompression),
+ BMF_DONTCACHE | BMF_USERMEM | BMF_NOZEROINIT |
+ (bi->biHeight < 0 ? BMF_TOPDOWN : 0),
+ bm.bmBits);
+ if (!res)
{
if (lpRGB != bmi->bmiColors)
{
ExFreePoolWithTag(lpRGB, TAG_COLORMAP);
}
SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
- return NULL;
+ return NULL;
}
bmp = SURFACE_LockSurface(res);
if (NULL == bmp)
ExFreePoolWithTag(lpRGB, TAG_COLORMAP);
}
SetLastWin32Error(ERROR_INVALID_HANDLE);
- NtGdiDeleteObject(bmp);
+ GreDeleteObject(bmp);
return NULL;
}
table between the DIB and the X physical device. Obviously,
this is left out of the ReactOS implementation. Instead,
we call NtGdiSetDIBColorTable. */
- bi->biClrUsed = 0;
- /* set number of entries in bmi.bmiColors table */
- if(bi->biBitCount == 1) { bi->biClrUsed = 2; } else
- if(bi->biBitCount == 4) { bi->biClrUsed = 16; } else
- if(bi->biBitCount == 8) { bi->biClrUsed = 256; }
+ if (bi->biBitCount <= 8)
+ {
+ bi->biClrUsed = 1 << bi->biBitCount;
+ }
+ else
+ {
+ bi->biClrUsed = 0;
+ }
bmp->hDIBSection = section;
bmp->hSecure = hSecure;
bmp->biClrImportant = bi->biClrImportant;
if (bi->biClrUsed != 0)
- bmp->hDIBPalette = PALETTE_AllocPaletteIndexedRGB(bi->biClrUsed, lpRGB);
+ {
+ bmp->hDIBPalette = PALETTE_AllocPaletteIndexedRGB(ColorCount, lpRGB);
+ }
else
- bmp->hDIBPalette = PALETTE_AllocPalette(PAL_BITFIELDS, 0, NULL,
- dsBitfields[0],
- dsBitfields[1],
- dsBitfields[2]);
-
- // Clean up in case of errors
- if (!res || !bmp || !bm.bmBits)
- {
- DPRINT("got an error res=%08x, bmp=%p, bm.bmBits=%p\n", res, bmp, bm.bmBits);
- if (bm.bmBits)
- {
- // MmUnsecureVirtualMemory(hSecure); // FIXME: Implement this!
- if (section)
- {
- ZwUnmapViewOfSection(NtCurrentProcess(), mapBits);
- bm.bmBits = NULL;
- }
- else
- if (!offset)
- EngFreeUserMem(bm.bmBits), bm.bmBits = NULL;
- }
-
- if (bmp) { bmp = NULL; }
- if (res) { SURFACE_FreeSurfaceByHandle(res); res = 0; }
- }
-
- if (lpRGB != bmi->bmiColors)
- {
- ExFreePoolWithTag(lpRGB, TAG_COLORMAP);
- }
-
- if (bmp)
- {
- SURFACE_UnlockSurface(bmp);
- }
-
- // Return BITMAP handle and storage location
- if (NULL != bm.bmBits && NULL != bits)
- {
- *bits = bm.bmBits;
- }
-
-// if (res) pdcattr->ulDirty_ |= DC_DIBSECTION;
-
- return res;
+ {
+ bmp->hDIBPalette = PALETTE_AllocPalette(PAL_BITFIELDS, 0, NULL,
+ dsBitfields[0],
+ dsBitfields[1],
+ dsBitfields[2]);
+ }
+
+ // Clean up in case of errors
+ if (!res || !bmp || !bm.bmBits)
+ {
+ DPRINT("got an error res=%08x, bmp=%p, bm.bmBits=%p\n", res, bmp, bm.bmBits);
+ if (bm.bmBits)
+ {
+ // MmUnsecureVirtualMemory(hSecure); // FIXME: Implement this!
+ if (section)
+ {
+ ZwUnmapViewOfSection(NtCurrentProcess(), mapBits);
+ bm.bmBits = NULL;
+ }
+ else
+ if (!offset)
+ EngFreeUserMem(bm.bmBits), bm.bmBits = NULL;
+ }
+
+ if (bmp)
+ bmp = NULL;
+
+ if (res)
+ {
+ SURFACE_FreeSurfaceByHandle(res);
+ res = 0;
+ }
+ }
+
+ if (lpRGB != bmi->bmiColors)
+ {
+ ExFreePoolWithTag(lpRGB, TAG_COLORMAP);
+ }
+
+ if (bmp)
+ {
+ SURFACE_UnlockSurface(bmp);
+ }
+
+ // Return BITMAP handle and storage location
+ if (NULL != bm.bmBits && NULL != bits)
+ {
+ *bits = bm.bmBits;
+ }
+
+ if (res) pdcattr->ulDirty_ |= DC_DIBSECTION;
+
+ return res;
}
/***********************************************************************
* http://www.microsoft.com/msdn/sdk/platforms/doc/sdk/win32/struc/src/str01.htm
* 11/16/1999 (RJJ) lifted from wine
*/
-INT FASTCALL DIB_GetDIBWidthBytes (INT width, INT depth)
+INT FASTCALL DIB_GetDIBWidthBytes(INT width, INT depth)
{
- return ((width * depth + 31) & ~31) >> 3;
+ return ((width * depth + 31) & ~31) >> 3;
}
/***********************************************************************
* 11/16/1999 (RJJ) lifted from wine
*/
-INT APIENTRY DIB_GetDIBImageBytes (INT width, INT height, INT depth)
+INT APIENTRY DIB_GetDIBImageBytes(INT width, INT height, INT depth)
{
- return DIB_GetDIBWidthBytes( width, depth ) * (height < 0 ? -height : height);
+ return DIB_GetDIBWidthBytes(width, depth) * (height < 0 ? -height : height);
}
/***********************************************************************
* 11/16/1999 (RJJ) lifted from wine
*/
-INT FASTCALL DIB_BitmapInfoSize (const BITMAPINFO * info, WORD coloruse)
+INT FASTCALL DIB_BitmapInfoSize(const BITMAPINFO * info, WORD coloruse)
{
- int colors;
-
- if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
- {
- BITMAPCOREHEADER *core = (BITMAPCOREHEADER *)info;
- colors = (core->bcBitCount <= 8) ? 1 << core->bcBitCount : 0;
- return sizeof(BITMAPCOREHEADER) + colors * ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBTRIPLE) : sizeof(WORD));
- }
- else /* assume BITMAPINFOHEADER */
- {
- colors = info->bmiHeader.biClrUsed;
- if (!colors && (info->bmiHeader.biBitCount <= 8)) colors = 1 << info->bmiHeader.biBitCount;
- return sizeof(BITMAPINFOHEADER) + colors * ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBQUAD) : sizeof(WORD));
- }
+ int colors;
+
+ if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
+ {
+ BITMAPCOREHEADER *core = (BITMAPCOREHEADER *)info;
+ colors = (core->bcBitCount <= 8) ? 1 << core->bcBitCount : 0;
+ return sizeof(BITMAPCOREHEADER) + colors * ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBTRIPLE) : sizeof(WORD));
+ }
+ else /* assume BITMAPINFOHEADER */
+ {
+ colors = info->bmiHeader.biClrUsed;
+ if (!colors && (info->bmiHeader.biBitCount <= 8)) colors = 1 << info->bmiHeader.biBitCount;
+ return sizeof(BITMAPINFOHEADER) + colors * ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBQUAD) : sizeof(WORD));
+ }
}
-RGBQUAD * FASTCALL
+RGBQUAD *
+FASTCALL
DIB_MapPaletteColors(PDC dc, CONST BITMAPINFO* lpbmi)
{
- RGBQUAD *lpRGB;
- ULONG nNumColors,i;
- USHORT *lpIndex;
- PPALGDI palGDI;
+ RGBQUAD *lpRGB;
+ ULONG nNumColors,i;
+ USHORT *lpIndex;
+ PPALETTE palGDI;
- palGDI = PALETTE_LockPalette(dc->dclevel.hpal);
+ palGDI = PALETTE_LockPalette(dc->dclevel.hpal);
- if (NULL == palGDI)
+ if (NULL == palGDI)
{
- return NULL;
+ return NULL;
}
- if (palGDI->Mode != PAL_INDEXED)
+ if (palGDI->Mode != PAL_INDEXED)
{
- PALETTE_UnlockPalette(palGDI);
- return NULL;
+ PALETTE_UnlockPalette(palGDI);
+ return NULL;
}
- nNumColors = 1 << lpbmi->bmiHeader.biBitCount;
- if (lpbmi->bmiHeader.biClrUsed)
+ nNumColors = 1 << lpbmi->bmiHeader.biBitCount;
+ if (lpbmi->bmiHeader.biClrUsed)
{
- nNumColors = min(nNumColors, lpbmi->bmiHeader.biClrUsed);
+ nNumColors = min(nNumColors, lpbmi->bmiHeader.biClrUsed);
}
- lpRGB = (RGBQUAD *)ExAllocatePoolWithTag(PagedPool, sizeof(RGBQUAD) * nNumColors, TAG_COLORMAP);
- if (lpRGB == NULL)
- {
- PALETTE_UnlockPalette(palGDI);
- return NULL;
- }
+ lpRGB = (RGBQUAD *)ExAllocatePoolWithTag(PagedPool, sizeof(RGBQUAD) * nNumColors, TAG_COLORMAP);
+ if (lpRGB == NULL)
+ {
+ PALETTE_UnlockPalette(palGDI);
+ return NULL;
+ }
- lpIndex = (USHORT *)&lpbmi->bmiColors[0];
+ lpIndex = (USHORT *)&lpbmi->bmiColors[0];
- for (i = 0; i < nNumColors; i++)
+ for (i = 0; i < nNumColors; i++)
{
- lpRGB[i].rgbRed = palGDI->IndexedColors[*lpIndex].peRed;
- lpRGB[i].rgbGreen = palGDI->IndexedColors[*lpIndex].peGreen;
- lpRGB[i].rgbBlue = palGDI->IndexedColors[*lpIndex].peBlue;
- lpRGB[i].rgbReserved = 0;
- lpIndex++;
+ if (*lpIndex < palGDI->NumColors)
+ {
+ lpRGB[i].rgbRed = palGDI->IndexedColors[*lpIndex].peRed;
+ lpRGB[i].rgbGreen = palGDI->IndexedColors[*lpIndex].peGreen;
+ lpRGB[i].rgbBlue = palGDI->IndexedColors[*lpIndex].peBlue;
+ }
+ else
+ {
+ lpRGB[i].rgbRed = 0;
+ lpRGB[i].rgbGreen = 0;
+ lpRGB[i].rgbBlue = 0;
+ }
+ lpRGB[i].rgbReserved = 0;
+ lpIndex++;
}
- PALETTE_UnlockPalette(palGDI);
+ PALETTE_UnlockPalette(palGDI);
- return lpRGB;
+ return lpRGB;
}
-HPALETTE FASTCALL
-BuildDIBPalette (CONST BITMAPINFO *bmi, PINT paletteType)
+HPALETTE
+FASTCALL
+BuildDIBPalette(CONST BITMAPINFO *bmi, PINT paletteType)
{
- BYTE bits;
- ULONG ColorCount;
- PALETTEENTRY *palEntries = NULL;
- HPALETTE hPal;
- ULONG RedMask, GreenMask, BlueMask;
+ BYTE bits;
+ ULONG ColorCount;
+ PALETTEENTRY *palEntries = NULL;
+ HPALETTE hPal;
+ ULONG RedMask, GreenMask, BlueMask;
- // Determine Bits Per Pixel
- bits = bmi->bmiHeader.biBitCount;
+ // Determine Bits Per Pixel
+ bits = bmi->bmiHeader.biBitCount;
- // Determine paletteType from Bits Per Pixel
- if (bits <= 8)
+ // Determine paletteType from Bits Per Pixel
+ if (bits <= 8)
{
- *paletteType = PAL_INDEXED;
- RedMask = GreenMask = BlueMask = 0;
+ *paletteType = PAL_INDEXED;
+ RedMask = GreenMask = BlueMask = 0;
}
- else if(bmi->bmiHeader.biCompression == BI_BITFIELDS)
+ else if (bmi->bmiHeader.biCompression == BI_BITFIELDS)
{
- *paletteType = PAL_BITFIELDS;
- RedMask = ((ULONG *)bmi->bmiColors)[0];
- GreenMask = ((ULONG *)bmi->bmiColors)[1];
- BlueMask = ((ULONG *)bmi->bmiColors)[2];
+ *paletteType = PAL_BITFIELDS;
+ RedMask = ((ULONG *)bmi->bmiColors)[0];
+ GreenMask = ((ULONG *)bmi->bmiColors)[1];
+ BlueMask = ((ULONG *)bmi->bmiColors)[2];
}
- else if(bits < 24)
+ else if (bits < 24)
{
- *paletteType = PAL_BITFIELDS;
- RedMask = 0x7c00;
- GreenMask = 0x03e0;
- BlueMask = 0x001f;
+ *paletteType = PAL_BITFIELDS;
+ RedMask = 0x7c00;
+ GreenMask = 0x03e0;
+ BlueMask = 0x001f;
}
- else
+ else
{
- *paletteType = PAL_BGR;
- RedMask = 0xff0000;
- GreenMask = 0x00ff00;
- BlueMask = 0x0000ff;
+ *paletteType = PAL_BGR;
+ RedMask = 0xff0000;
+ GreenMask = 0x00ff00;
+ BlueMask = 0x0000ff;
}
- if (bmi->bmiHeader.biClrUsed == 0)
+ if (bmi->bmiHeader.biClrUsed == 0)
{
- ColorCount = 1 << bmi->bmiHeader.biBitCount;
+ ColorCount = 1 << bmi->bmiHeader.biBitCount;
}
- else
+ else
{
- ColorCount = bmi->bmiHeader.biClrUsed;
+ ColorCount = bmi->bmiHeader.biClrUsed;
}
- if (PAL_INDEXED == *paletteType)
+ if (PAL_INDEXED == *paletteType)
{
- hPal = PALETTE_AllocPaletteIndexedRGB(ColorCount, (RGBQUAD*)bmi->bmiColors);
+ hPal = PALETTE_AllocPaletteIndexedRGB(ColorCount, (RGBQUAD*)bmi->bmiColors);
}
- else
+ else
{
- hPal = PALETTE_AllocPalette(*paletteType, ColorCount,
- (ULONG*) palEntries,
- RedMask, GreenMask, BlueMask );
+ hPal = PALETTE_AllocPalette(*paletteType, ColorCount,
+ (ULONG*) palEntries,
+ RedMask, GreenMask, BlueMask);
}
- return hPal;
+ return hPal;
}
/* EOF */
projects / reactos.git / blobdiff