* 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.
*/
-/* $Id$ */
#include <w32k.h>
#define NDEBUG
#include <debug.h>
-#define IN_RECT(r,x,y) \
-( \
- (x) >= (r).left && \
- (y) >= (r).top && \
- (x) < (r).right && \
- (y) < (r).bottom \
-)
-
-HBITMAP STDCALL
+HBITMAP APIENTRY
IntGdiCreateBitmap(
- INT Width,
- INT Height,
- UINT Planes,
- UINT BitsPixel,
+ INT Width,
+ INT Height,
+ UINT Planes,
+ UINT BitsPixel,
IN OPTIONAL LPBYTE pBits)
{
- HBITMAP hBitmap;
- SIZEL Size;
- LONG WidthBytes;
-
- /* NOTE: Windows also doesn't store nr. of planes separately! */
- BitsPixel = BITMAPOBJ_GetRealBitsPixel(BitsPixel * Planes);
-
- /* Check parameters */
- if (BitsPixel == 0 || Width < 0)
- {
- DPRINT1("Width = %d, Height = %d BitsPixel = %d\n", Width, Height, BitsPixel);
- SetLastWin32Error(ERROR_INVALID_PARAMETER);
- return 0;
- }
-
- WidthBytes = BITMAPOBJ_GetWidthBytes(Width, Planes * BitsPixel);
-
- Size.cx = abs(Width);
- Size.cy = abs(Height);
-
- /* Create the bitmap object. */
- hBitmap = IntCreateBitmap(Size, WidthBytes,
- BitmapFormat(BitsPixel, BI_RGB),
- (Height < 0 ? BMF_TOPDOWN : 0) |
- (NULL == pBits ? 0 : BMF_NOZEROINIT), NULL);
- if (!hBitmap)
- {
- DPRINT("IntGdiCreateBitmap: returned 0\n");
- return 0;
- }
-
- PBITMAPOBJ bmp = BITMAPOBJ_LockBitmap( hBitmap );
- if (bmp == NULL)
- {
- NtGdiDeleteObject(hBitmap);
- return NULL;
- }
-
- bmp->flFlags = BITMAPOBJ_IS_APIBITMAP;
- bmp->hDC = NULL; // Fixme
-
- if (NULL != pBits)
- {
- IntSetBitmapBits(bmp, bmp->SurfObj.cjBits, pBits);
- }
-
- BITMAPOBJ_UnlockBitmap( bmp );
-
- DPRINT("IntGdiCreateBitmap : %dx%d, %d BPP colors, topdown %d, returning %08x\n",
- Size.cx, Size.cy, BitsPixel, (Height < 0 ? 1 : 0), hBitmap);
-
- return hBitmap;
+ HBITMAP hBitmap;
+ SIZEL Size;
+ LONG WidthBytes;
+ PSURFACE psurfBmp;
+
+ /* NOTE: Windows also doesn't store nr. of planes separately! */
+ BitsPixel = BITMAP_GetRealBitsPixel(BitsPixel * Planes);
+
+ /* Check parameters */
+ if (BitsPixel == 0 || Width <= 0 || Width >= 0x8000000 || Height == 0)
+ {
+ DPRINT1("Width = %d, Height = %d BitsPixel = %d\n",
+ Width, Height, BitsPixel);
+ SetLastWin32Error(ERROR_INVALID_PARAMETER);
+ return 0;
+ }
+
+ WidthBytes = BITMAP_GetWidthBytes(Width, BitsPixel);
+
+ Size.cx = Width;
+ Size.cy = abs(Height);
+
+ /* Make sure that cjBits will not overflow */
+ if ((ULONGLONG)WidthBytes * Size.cy >= 0x100000000ULL)
+ {
+ DPRINT1("Width = %d, Height = %d BitsPixel = %d\n",
+ Width, Height, BitsPixel);
+ SetLastWin32Error(ERROR_INVALID_PARAMETER);
+ return 0;
+ }
+
+ /* Create the bitmap object. */
+ hBitmap = IntCreateBitmap(Size, WidthBytes,
+ BitmapFormat(BitsPixel, BI_RGB),
+ (Height < 0 ? BMF_TOPDOWN : 0) |
+ (NULL == pBits ? 0 : BMF_NOZEROINIT), NULL);
+ if (!hBitmap)
+ {
+ DPRINT("IntGdiCreateBitmap: returned 0\n");
+ return 0;
+ }
+
+ psurfBmp = SURFACE_LockSurface(hBitmap);
+ if (psurfBmp == NULL)
+ {
+ GreDeleteObject(hBitmap);
+ return NULL;
+ }
+
+ psurfBmp->flFlags = BITMAPOBJ_IS_APIBITMAP;
+ psurfBmp->hDC = NULL; // Fixme
+
+ if (NULL != pBits)
+ {
+ IntSetBitmapBits(psurfBmp, psurfBmp->SurfObj.cjBits, pBits);
+ }
+
+ SURFACE_UnlockSurface(psurfBmp);
+
+ DPRINT("IntGdiCreateBitmap : %dx%d, %d BPP colors, topdown %d, returning %08x\n",
+ Size.cx, Size.cy, BitsPixel, (Height < 0 ? 1 : 0), hBitmap);
+
+ return hBitmap;
}
-HBITMAP STDCALL
+HBITMAP APIENTRY
NtGdiCreateBitmap(
- INT Width,
- INT Height,
- UINT Planes,
- UINT BitsPixel,
+ INT Width,
+ INT Height,
+ UINT Planes,
+ UINT BitsPixel,
IN OPTIONAL LPBYTE pUnsafeBits)
{
- HBITMAP hBitmap;
-
- _SEH_TRY
- {
- if (pUnsafeBits)
- {
- UINT cjBits = BITMAPOBJ_GetWidthBytes(Width, BitsPixel) * abs(Height);
- ProbeForRead(pUnsafeBits, cjBits, 1);
- }
-
- if (0 == Width || 0 == Height)
- {
- hBitmap = IntGdiCreateBitmap (1, 1, 1, 1, NULL);
- }
- else
- {
- hBitmap = IntGdiCreateBitmap(Width, Height, Planes, BitsPixel, pUnsafeBits);
- }
- }
- _SEH_HANDLE
- {
- hBitmap = 0;
- }
- _SEH_END
-
- return hBitmap;
+ if (pUnsafeBits)
+ {
+ BOOL Hit = FALSE;
+ UINT cjBits = BITMAP_GetWidthBytes(Width, BitsPixel) * abs(Height);
+
+ // FIXME: Use MmSecureVirtualMemory
+ _SEH2_TRY
+ {
+ ProbeForRead(pUnsafeBits, cjBits, 1);
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ Hit = TRUE;
+ }
+ _SEH2_END
+
+ if (Hit) return 0;
+ }
+
+ return IntGdiCreateBitmap(Width, Height, Planes, BitsPixel, pUnsafeBits);
}
-BOOL INTERNAL_CALL
-BITMAP_Cleanup(PVOID ObjectBody)
-{
- PBITMAPOBJ pBmp = (PBITMAPOBJ)ObjectBody;
- if (pBmp->SurfObj.pvBits != NULL &&
- (pBmp->flFlags & BITMAPOBJ_IS_APIBITMAP))
- {
- if (pBmp->dib == NULL)
- {
- if (pBmp->SurfObj.pvBits != NULL)
- ExFreePool(pBmp->SurfObj.pvBits);
- }
- else
- {
- if (pBmp->SurfObj.pvBits != NULL)
- EngFreeUserMem(pBmp->SurfObj.pvBits);
- }
- if (pBmp->hDIBPalette != NULL)
- {
- NtGdiDeleteObject(pBmp->hDIBPalette);
- }
- }
-
- if (NULL != pBmp->BitsLock)
- {
- ExFreePoolWithTag(pBmp->BitsLock, TAG_BITMAPOBJ);
- pBmp->BitsLock = NULL;
- }
-
- return TRUE;
-}
-
-
HBITMAP FASTCALL
IntCreateCompatibleBitmap(
- PDC Dc,
- INT Width,
- INT Height)
+ PDC Dc,
+ INT Width,
+ INT Height)
{
- HBITMAP Bmp;
-
- Bmp = NULL;
-
- if ((Width >= 0x10000) || (Height >= 0x10000))
- {
- DPRINT1("got bad width %d or height %d, please look for reason\n", Width, Height);
- return NULL;
- }
-
- /* MS doc says if width or height is 0, return 1-by-1 pixel, monochrome bitmap */
- if (0 == Width || 0 == Height)
- {
- Bmp = IntGdiCreateBitmap (1, 1, 1, 1, NULL);
- }
- else
- {
- Bmp = IntGdiCreateBitmap(abs(Width), abs(Height), 1, Dc->w.bitsPerPixel, NULL);
- }
-
- return Bmp;
+ HBITMAP Bmp = NULL;
+
+ /* MS doc says if width or height is 0, return 1-by-1 pixel, monochrome bitmap */
+ if (0 == Width || 0 == Height)
+ {
+ Bmp = NtGdiGetStockObject(DEFAULT_BITMAP);
+ }
+ else
+ {
+ if (Dc->dctype != DC_TYPE_MEMORY)
+ {
+ Bmp = IntGdiCreateBitmap(abs(Width),
+ abs(Height),
+ IntGdiGetDeviceCaps(Dc,PLANES),
+ IntGdiGetDeviceCaps(Dc,BITSPIXEL),
+ NULL);
+ }
+ else
+ {
+ DIBSECTION dibs;
+ INT Count;
+ PSURFACE psurf = Dc->dclevel.pSurface;
+ Count = BITMAP_GetObject(psurf, sizeof(dibs), &dibs);
+
+ if (Count)
+ {
+ if (Count == sizeof(BITMAP))
+ {
+ /* We have a bitmap bug!!! W/O the HACK, we have white icons.
+
+ MSDN Note: When a memory device context is created, it initially
+ has a 1-by-1 monochrome bitmap selected into it. If this memory
+ device context is used in CreateCompatibleBitmap, the bitmap that
+ is created is a monochrome bitmap. To create a color bitmap, use
+ the hDC that was used to create the memory device context, as
+ shown in the following code:
+
+ HDC memDC = CreateCompatibleDC(hDC);
+ HBITMAP memBM = CreateCompatibleBitmap(hDC, nWidth, nHeight);
+ SelectObject(memDC, memBM);
+ */
+ Bmp = IntGdiCreateBitmap(abs(Width),
+ abs(Height),
+ dibs.dsBm.bmPlanes,
+ IntGdiGetDeviceCaps(Dc,BITSPIXEL),//<-- HACK! dibs.dsBm.bmBitsPixel, // <-- Correct!
+ NULL);
+ }
+ else
+ {
+ /* A DIB section is selected in the DC */
+ BITMAPINFO *bi;
+ PVOID Bits;
+
+ /* Allocate memory for a BITMAPINFOHEADER structure and a
+ color table. The maximum number of colors in a color table
+ is 256 which corresponds to a bitmap with depth 8.
+ Bitmaps with higher depths don't have color tables. */
+ bi = ExAllocatePoolWithTag(PagedPool,
+ sizeof(BITMAPINFOHEADER) +
+ 256 * sizeof(RGBQUAD),
+ TAG_TEMP);
+
+ if (bi)
+ {
+ bi->bmiHeader.biSize = sizeof(bi->bmiHeader);
+ bi->bmiHeader.biWidth = Width;
+ bi->bmiHeader.biHeight = Height;
+ bi->bmiHeader.biPlanes = dibs.dsBmih.biPlanes;
+ bi->bmiHeader.biBitCount = dibs.dsBmih.biBitCount;
+ bi->bmiHeader.biCompression = dibs.dsBmih.biCompression;
+ bi->bmiHeader.biSizeImage = 0;
+ bi->bmiHeader.biXPelsPerMeter = dibs.dsBmih.biXPelsPerMeter;
+ bi->bmiHeader.biYPelsPerMeter = dibs.dsBmih.biYPelsPerMeter;
+ bi->bmiHeader.biClrUsed = dibs.dsBmih.biClrUsed;
+ bi->bmiHeader.biClrImportant = dibs.dsBmih.biClrImportant;
+
+ if (bi->bmiHeader.biCompression == BI_BITFIELDS)
+ {
+ /* Copy the color masks */
+ RtlCopyMemory(bi->bmiColors, dibs.dsBitfields, 3 * sizeof(DWORD));
+ }
+ else if (bi->bmiHeader.biBitCount <= 8)
+ {
+ /* Copy the color table */
+ UINT Index;
+ PPALETTE PalGDI = PALETTE_LockPalette(psurf->hDIBPalette);
+
+ if (!PalGDI)
+ {
+ ExFreePoolWithTag(bi, TAG_TEMP);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return 0;
+ }
+
+ for (Index = 0;
+ Index < 256 && Index < PalGDI->NumColors;
+ Index++)
+ {
+ bi->bmiColors[Index].rgbRed = PalGDI->IndexedColors[Index].peRed;
+ bi->bmiColors[Index].rgbGreen = PalGDI->IndexedColors[Index].peGreen;
+ bi->bmiColors[Index].rgbBlue = PalGDI->IndexedColors[Index].peBlue;
+ bi->bmiColors[Index].rgbReserved = 0;
+ }
+ PALETTE_UnlockPalette(PalGDI);
+ }
+
+ Bmp = DIB_CreateDIBSection(Dc,
+ bi,
+ DIB_RGB_COLORS,
+ &Bits,
+ NULL,
+ 0,
+ 0);
+
+ ExFreePoolWithTag(bi, TAG_TEMP);
+ return Bmp;
+ }
+ }
+ }
+ }
+ }
+ return Bmp;
}
-HBITMAP STDCALL
+HBITMAP APIENTRY
NtGdiCreateCompatibleBitmap(
- HDC hDC,
- INT Width,
- INT Height)
+ HDC hDC,
+ INT Width,
+ INT Height)
{
- HBITMAP Bmp;
- PDC Dc;
+ HBITMAP Bmp;
+ PDC Dc;
- Dc = DC_LockDc(hDC);
+ if (Width <= 0 || Height <= 0 || (Width * Height) > 0x3FFFFFFF)
+ {
+ SetLastWin32Error(ERROR_INVALID_PARAMETER);
+ return NULL;
+ }
- DPRINT("NtGdiCreateCompatibleBitmap(%04x,%d,%d, bpp:%d) = \n", hDC, Width, Height, Dc->w.bitsPerPixel);
+ if (!hDC)
+ return IntGdiCreateBitmap(Width, Height, 1, 1, 0);
- if (NULL == Dc)
- {
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return NULL;
- }
+ Dc = DC_LockDc(hDC);
- Bmp = IntCreateCompatibleBitmap(Dc, Width, Height);
+ DPRINT("NtGdiCreateCompatibleBitmap(%04x,%d,%d, bpp:%d) = \n",
+ hDC, Width, Height, Dc->ppdev->gdiinfo.cBitsPixel);
- DPRINT ("\t\t%04x\n", Bmp);
- DC_UnlockDc(Dc);
- return Bmp;
+ if (NULL == Dc)
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return NULL;
+ }
+
+ Bmp = IntCreateCompatibleBitmap(Dc, Width, Height);
+
+ DPRINT("\t\t%04x\n", Bmp);
+ DC_UnlockDc(Dc);
+ return Bmp;
}
-BOOL STDCALL
+BOOL APIENTRY
NtGdiGetBitmapDimension(
- HBITMAP hBitmap,
- LPSIZE Dimension)
+ HBITMAP hBitmap,
+ LPSIZE Dimension)
{
- PBITMAPOBJ bmp;
-
- bmp = BITMAPOBJ_LockBitmap(hBitmap);
- if (bmp == NULL)
- {
- return FALSE;
- }
-
- *Dimension = bmp->dimension;
-
- BITMAPOBJ_UnlockBitmap(bmp);
-
- return TRUE;
+ PSURFACE psurfBmp;
+ BOOL Ret = TRUE;
+
+ if (hBitmap == NULL)
+ return FALSE;
+
+ psurfBmp = SURFACE_LockSurface(hBitmap);
+ if (psurfBmp == NULL)
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+
+ _SEH2_TRY
+ {
+ ProbeForWrite(Dimension, sizeof(SIZE), 1);
+ *Dimension = psurfBmp->dimension;
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ Ret = FALSE;
+ }
+ _SEH2_END
+
+ SURFACE_UnlockSurface(psurfBmp);
+
+ return Ret;
}
-COLORREF STDCALL
+COLORREF APIENTRY
NtGdiGetPixel(HDC hDC, INT XPos, INT YPos)
{
- PDC dc = NULL;
- COLORREF Result = (COLORREF)CLR_INVALID; // default to failure
- BOOL bInRect = FALSE;
- BITMAPOBJ *BitmapObject;
- SURFOBJ *SurfaceObject;
- HPALETTE Pal = 0;
- XLATEOBJ *XlateObj;
- HBITMAP hBmpTmp;
-
- dc = DC_LockDc (hDC);
-
- if ( !dc )
- {
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return Result;
- }
- if (dc->DC_Type == DC_TYPE_INFO)
- {
- DC_UnlockDc(dc);
- return Result;
- }
- XPos += dc->w.DCOrgX;
- YPos += dc->w.DCOrgY;
- if ( IN_RECT(dc->CombinedClip->rclBounds,XPos,YPos) )
- {
- bInRect = TRUE;
- BitmapObject = BITMAPOBJ_LockBitmap(dc->w.hBitmap);
- SurfaceObject = &BitmapObject->SurfObj;
- if ( BitmapObject )
- {
- if ( dc->DcLevel.hpal != 0 )
- Pal = dc->DcLevel.hpal;
- /* FIXME: Verify if it shouldn't be PAL_BGR! */
- XlateObj = (XLATEOBJ*)IntEngCreateXlate ( PAL_RGB, 0, NULL, Pal );
- if ( XlateObj )
- {
- // check if this DC has a DIB behind it...
- if ( SurfaceObject->pvScan0 ) // STYPE_BITMAP == SurfaceObject->iType
- {
- ASSERT ( SurfaceObject->lDelta );
- Result = XLATEOBJ_iXlate(XlateObj,
- DibFunctionsForBitmapFormat[SurfaceObject->iBitmapFormat].DIB_GetPixel ( SurfaceObject, XPos, YPos ) );
- }
- EngDeleteXlate(XlateObj);
- }
- BITMAPOBJ_UnlockBitmap(BitmapObject);
- }
- }
- DC_UnlockDc(dc);
-
- // if Result is still CLR_INVALID, then the "quick" method above didn't work
- if ( bInRect && Result == CLR_INVALID )
- {
- // FIXME: create a 1x1 32BPP DIB, and blit to it
- HDC hDCTmp = NtGdiCreateCompatibleDC(hDC);
- if ( hDCTmp )
- {
- static const BITMAPINFOHEADER bih = { sizeof(BITMAPINFOHEADER), 1, 1, 1, 32, BI_RGB, 0, 0, 0, 0, 0 };
- BITMAPINFO bi;
- RtlMoveMemory ( &(bi.bmiHeader), &bih, sizeof(bih) );
- hBmpTmp = NtGdiCreateDIBitmapInternal(hDC,
+ PDC dc = NULL;
+ COLORREF Result = (COLORREF)CLR_INVALID; // default to failure
+ BOOL bInRect = FALSE;
+ SURFACE *psurf;
+ SURFOBJ *pso;
+ HPALETTE hpal = 0;
+ PPALETTE ppal;
+ EXLATEOBJ exlo;
+ HBITMAP hBmpTmp;
+
+ dc = DC_LockDc(hDC);
+
+ if (!dc)
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return Result;
+ }
+
+ if (dc->dctype == DC_TYPE_INFO)
+ {
+ DC_UnlockDc(dc);
+ return Result;
+ }
+
+ XPos += dc->ptlDCOrig.x;
+ YPos += dc->ptlDCOrig.y;
+ if (RECTL_bPointInRect(&dc->rosdc.CombinedClip->rclBounds, XPos, YPos))
+ {
+ bInRect = TRUE;
+ psurf = dc->dclevel.pSurface;
+ if (psurf)
+ {
+ pso = &psurf->SurfObj;
+ hpal = psurf->hDIBPalette;
+ if (!hpal) hpal = pPrimarySurface->devinfo.hpalDefault;
+ ppal = PALETTE_ShareLockPalette(hpal);
+
+ if (psurf->SurfObj.iBitmapFormat == BMF_1BPP && !psurf->hSecure)
+ {
+ /* FIXME: palette should be gpalMono already ! */
+ EXLATEOBJ_vInitialize(&exlo, &gpalMono, &gpalRGB, 0, 0xffffff, 0);
+ }
+ else
+ {
+ EXLATEOBJ_vInitialize(&exlo, ppal, &gpalRGB, 0, 0xffffff, 0);
+ }
+
+ // check if this DC has a DIB behind it...
+ if (pso->pvScan0) // STYPE_BITMAP == pso->iType
+ {
+ ASSERT(pso->lDelta);
+ Result = XLATEOBJ_iXlate(&exlo.xlo,
+ DibFunctionsForBitmapFormat[pso->iBitmapFormat].DIB_GetPixel(pso, XPos, YPos));
+ }
+
+ EXLATEOBJ_vCleanup(&exlo);
+ PALETTE_ShareUnlockPalette(ppal);
+ }
+ }
+ DC_UnlockDc(dc);
+
+ // if Result is still CLR_INVALID, then the "quick" method above didn't work
+ if (bInRect && Result == CLR_INVALID)
+ {
+ // FIXME: create a 1x1 32BPP DIB, and blit to it
+ HDC hDCTmp = NtGdiCreateCompatibleDC(hDC);
+ if (hDCTmp)
+ {
+ static const BITMAPINFOHEADER bih = { sizeof(BITMAPINFOHEADER), 1, 1, 1, 32, BI_RGB, 0, 0, 0, 0, 0 };
+ BITMAPINFO bi;
+ RtlMoveMemory(&(bi.bmiHeader), &bih, sizeof(bih));
+ hBmpTmp = NtGdiCreateDIBitmapInternal(hDC,
bi.bmiHeader.biWidth,
bi.bmiHeader.biHeight,
0,
0,
0);
- //HBITMAP hBmpTmp = IntGdiCreateBitmap ( 1, 1, 1, 32, NULL);
- if ( hBmpTmp )
- {
- HBITMAP hBmpOld = (HBITMAP)NtGdiSelectBitmap ( hDCTmp, hBmpTmp );
- if ( hBmpOld )
- {
- PBITMAPOBJ bmpobj;
-
- NtGdiBitBlt ( hDCTmp, 0, 0, 1, 1, hDC, XPos, YPos, SRCCOPY, 0, 0 );
- NtGdiSelectBitmap ( hDCTmp, hBmpOld );
-
- // our bitmap is no longer selected, so we can access it's stuff...
- bmpobj = BITMAPOBJ_LockBitmap ( hBmpTmp );
- if ( bmpobj )
- {
- Result = *(COLORREF*)bmpobj->SurfObj.pvScan0;
- BITMAPOBJ_UnlockBitmap ( bmpobj );
- }
- }
- NtGdiDeleteObject ( hBmpTmp );
- }
- NtGdiDeleteObjectApp ( hDCTmp );
- }
- }
-
- return Result;
+ //HBITMAP hBmpTmp = IntGdiCreateBitmap(1, 1, 1, 32, NULL);
+ if (hBmpTmp)
+ {
+ HBITMAP hBmpOld = (HBITMAP)NtGdiSelectBitmap(hDCTmp, hBmpTmp);
+ if (hBmpOld)
+ {
+ PSURFACE psurf;
+
+ NtGdiBitBlt(hDCTmp, 0, 0, 1, 1, hDC, XPos, YPos, SRCCOPY, 0, 0);
+ NtGdiSelectBitmap(hDCTmp, hBmpOld);
+
+ // our bitmap is no longer selected, so we can access it's stuff...
+ psurf = SURFACE_LockSurface(hBmpTmp);
+ if (psurf)
+ {
+ // Dont you need to convert something here?
+ Result = *(COLORREF*)psurf->SurfObj.pvScan0;
+ SURFACE_UnlockSurface(psurf);
+ }
+ }
+ GreDeleteObject(hBmpTmp);
+ }
+ NtGdiDeleteObjectApp(hDCTmp);
+ }
+ }
+
+ return Result;
}
-LONG STDCALL
+LONG APIENTRY
IntGetBitmapBits(
- PBITMAPOBJ bmp,
- DWORD Bytes,
- OUT PBYTE Bits)
+ PSURFACE psurf,
+ DWORD Bytes,
+ OUT PBYTE Bits)
{
- LONG ret;
+ LONG ret;
- ASSERT(Bits);
+ ASSERT(Bits);
- /* Don't copy more bytes than the buffer has */
- Bytes = min(Bytes, bmp->SurfObj.cjBits);
+ /* Don't copy more bytes than the buffer has */
+ Bytes = min(Bytes, psurf->SurfObj.cjBits);
#if 0
- /* FIXME: Call DDI CopyBits here if available */
- if(bmp->DDBitmap)
- {
- DPRINT("Calling device specific BitmapBits\n");
- if(bmp->DDBitmap->funcs->pBitmapBits)
- {
- ret = bmp->DDBitmap->funcs->pBitmapBits(hbitmap, bits, count, DDB_GET);
- }
- else
- {
- ERR_(bitmap)("BitmapBits == NULL??\n");
- ret = 0;
- }
- }
- else
+ /* FIXME: Call DDI CopyBits here if available */
+ if (psurf->DDBitmap)
+ {
+ DPRINT("Calling device specific BitmapBits\n");
+ if (psurf->DDBitmap->funcs->pBitmapBits)
+ {
+ ret = psurf->DDBitmap->funcs->pBitmapBits(hbitmap,
+ bits,
+ count,
+ DDB_GET);
+ }
+ else
+ {
+ ERR_(bitmap)("BitmapBits == NULL??\n");
+ ret = 0;
+ }
+ }
+ else
#endif
- {
- RtlCopyMemory(Bits, bmp->SurfObj.pvBits, Bytes);
- ret = Bytes;
- }
- return ret;
+ {
+ RtlCopyMemory(Bits, psurf->SurfObj.pvBits, Bytes);
+ ret = Bytes;
+ }
+ return ret;
}
-LONG STDCALL
-NtGdiGetBitmapBits(HBITMAP hBitmap,
- ULONG Bytes,
- OUT OPTIONAL PBYTE pUnsafeBits)
+LONG APIENTRY
+NtGdiGetBitmapBits(
+ HBITMAP hBitmap,
+ ULONG Bytes,
+ OUT OPTIONAL PBYTE pUnsafeBits)
{
- PBITMAPOBJ bmp;
- LONG ret;
-
- if (pUnsafeBits != NULL && Bytes == 0)
- {
- return 0;
- }
-
- bmp = BITMAPOBJ_LockBitmap (hBitmap);
- if (!bmp)
- {
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return 0;
- }
-
- /* If the bits vector is null, the function should return the read size */
- if (pUnsafeBits == NULL)
- {
- ret = bmp->SurfObj.cjBits;
- BITMAPOBJ_UnlockBitmap (bmp);
- return ret;
- }
-
- /* Don't copy more bytes than the buffer has */
- Bytes = min(Bytes, bmp->SurfObj.cjBits);
-
- _SEH_TRY
- {
- ProbeForWrite(pUnsafeBits, Bytes, 1);
- ret = IntGetBitmapBits(bmp, Bytes, pUnsafeBits);
- }
- _SEH_HANDLE
- {
- ret = 0;
- }
- _SEH_END
-
- BITMAPOBJ_UnlockBitmap (bmp);
-
- return ret;
+ PSURFACE psurf;
+ LONG bmSize, ret;
+
+ if (pUnsafeBits != NULL && Bytes == 0)
+ {
+ return 0;
+ }
+
+ psurf = SURFACE_LockSurface(hBitmap);
+ if (!psurf)
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return 0;
+ }
+
+ bmSize = BITMAP_GetWidthBytes(psurf->SurfObj.sizlBitmap.cx,
+ BitsPerFormat(psurf->SurfObj.iBitmapFormat)) *
+ abs(psurf->SurfObj.sizlBitmap.cy);
+
+ /* If the bits vector is null, the function should return the read size */
+ if (pUnsafeBits == NULL)
+ {
+ SURFACE_UnlockSurface(psurf);
+ return bmSize;
+ }
+
+ /* Don't copy more bytes than the buffer has */
+ Bytes = min(Bytes, bmSize);
+
+ // FIXME: use MmSecureVirtualMemory
+ _SEH2_TRY
+ {
+ ProbeForWrite(pUnsafeBits, Bytes, 1);
+ ret = IntGetBitmapBits(psurf, Bytes, pUnsafeBits);
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ ret = 0;
+ }
+ _SEH2_END
+
+ SURFACE_UnlockSurface(psurf);
+
+ return ret;
}
-LONG STDCALL
+LONG APIENTRY
IntSetBitmapBits(
- PBITMAPOBJ bmp,
- DWORD Bytes,
- IN PBYTE Bits)
+ PSURFACE psurf,
+ DWORD Bytes,
+ IN PBYTE Bits)
{
- LONG ret;
+ LONG ret;
- /* Don't copy more bytes than the buffer has */
- Bytes = min(Bytes, bmp->SurfObj.cjBits);
+ /* Don't copy more bytes than the buffer has */
+ Bytes = min(Bytes, psurf->SurfObj.cjBits);
#if 0
- /* FIXME: call DDI specific function here if available */
- if(bmp->DDBitmap)
- {
- DPRINT ("Calling device specific BitmapBits\n");
- if (bmp->DDBitmap->funcs->pBitmapBits)
- {
- ret = bmp->DDBitmap->funcs->pBitmapBits(hBitmap, (void *) Bits, Bytes, DDB_SET);
- }
- else
- {
- DPRINT ("BitmapBits == NULL??\n");
- ret = 0;
- }
- }
- else
+ /* FIXME: call DDI specific function here if available */
+ if (psurf->DDBitmap)
+ {
+ DPRINT("Calling device specific BitmapBits\n");
+ if (psurf->DDBitmap->funcs->pBitmapBits)
+ {
+ ret = psurf->DDBitmap->funcs->pBitmapBits(hBitmap,
+ (void *)Bits,
+ Bytes,
+ DDB_SET);
+ }
+ else
+ {
+ DPRINT("BitmapBits == NULL??\n");
+ ret = 0;
+ }
+ }
+ else
#endif
- {
- RtlCopyMemory(bmp->SurfObj.pvBits, Bits, Bytes);
- ret = Bytes;
- }
+ {
+ RtlCopyMemory(psurf->SurfObj.pvBits, Bits, Bytes);
+ ret = Bytes;
+ }
- return ret;
+ return ret;
}
-LONG STDCALL
+LONG APIENTRY
NtGdiSetBitmapBits(
- HBITMAP hBitmap,
- DWORD Bytes,
- IN PBYTE pUnsafeBits)
+ HBITMAP hBitmap,
+ DWORD Bytes,
+ IN PBYTE pUnsafeBits)
{
- LONG ret;
- PBITMAPOBJ bmp;
-
- if (pUnsafeBits == NULL || Bytes == 0)
- {
- return 0;
- }
-
- bmp = BITMAPOBJ_LockBitmap(hBitmap);
- if (bmp == NULL)
- {
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return 0;
- }
-
- _SEH_TRY
- {
- ProbeForRead(pUnsafeBits, Bytes, 1);
- ret = IntSetBitmapBits(bmp, Bytes, pUnsafeBits);
- }
- _SEH_HANDLE
- {
- ret = 0;
- }
- _SEH_END
-
- BITMAPOBJ_UnlockBitmap(bmp);
-
- return ret;
+ LONG ret;
+ PSURFACE psurf;
+
+ if (pUnsafeBits == NULL || Bytes == 0)
+ {
+ return 0;
+ }
+
+ psurf = SURFACE_LockSurface(hBitmap);
+ if (psurf == NULL)
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return 0;
+ }
+
+ _SEH2_TRY
+ {
+ ProbeForRead(pUnsafeBits, Bytes, 1);
+ ret = IntSetBitmapBits(psurf, Bytes, pUnsafeBits);
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ ret = 0;
+ }
+ _SEH2_END
+
+ SURFACE_UnlockSurface(psurf);
+
+ return ret;
}
-BOOL STDCALL
+BOOL APIENTRY
NtGdiSetBitmapDimension(
- HBITMAP hBitmap,
- INT Width,
- INT Height,
- LPSIZE Size)
+ HBITMAP hBitmap,
+ INT Width,
+ INT Height,
+ LPSIZE Size)
{
- PBITMAPOBJ bmp;
-
- bmp = BITMAPOBJ_LockBitmap(hBitmap);
- if (bmp == NULL)
- {
- return FALSE;
- }
-
- if (Size)
- {
- *Size = bmp->dimension;
- }
- bmp->dimension.cx = Width;
- bmp->dimension.cy = Height;
-
- BITMAPOBJ_UnlockBitmap (bmp);
+ PSURFACE psurf;
+ BOOL Ret = TRUE;
+
+ if (hBitmap == NULL)
+ return FALSE;
+
+ psurf = SURFACE_LockSurface(hBitmap);
+ if (psurf == NULL)
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+
+ if (Size)
+ {
+ _SEH2_TRY
+ {
+ ProbeForWrite(Size, sizeof(SIZE), 1);
+ *Size = psurf->dimension;
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ Ret = FALSE;
+ }
+ _SEH2_END
+ }
+
+ /* The dimension is changed even if writing the old value failed */
+ psurf->dimension.cx = Width;
+ psurf->dimension.cy = Height;
+
+ SURFACE_UnlockSurface(psurf);
+
+ return Ret;
+}
- return TRUE;
+VOID IntHandleSpecialColorType(HDC hDC, COLORREF* Color)
+{
+ PDC pdc = NULL;
+ RGBQUAD quad;
+ PALETTEENTRY palEntry;
+ UINT index;
+
+ switch (*Color >> 24)
+ {
+ case 0x10: /* DIBINDEX */
+ if (IntGetDIBColorTable(hDC, LOWORD(*Color), 1, &quad) == 1)
+ {
+ *Color = RGB(quad.rgbRed, quad.rgbGreen, quad.rgbBlue);
+ }
+ else
+ {
+ /* Out of color table bounds - use black */
+ *Color = RGB(0, 0, 0);
+ }
+ break;
+ case 0x02: /* PALETTERGB */
+ pdc = DC_LockDc(hDC);
+ if (pdc->dclevel.hpal != NtGdiGetStockObject(DEFAULT_PALETTE))
+ {
+ index = NtGdiGetNearestPaletteIndex(pdc->dclevel.hpal, *Color);
+ IntGetPaletteEntries(pdc->dclevel.hpal, index, 1, &palEntry);
+ *Color = RGB(palEntry.peRed, palEntry.peGreen, palEntry.peBlue);
+ }
+ else
+ {
+ /* Use the pure color */
+ *Color = *Color & 0x00FFFFFF;
+ }
+ DC_UnlockDc(pdc);
+ break;
+ case 0x01: /* PALETTEINDEX */
+ pdc = DC_LockDc(hDC);
+ if (IntGetPaletteEntries(pdc->dclevel.hpal, LOWORD(*Color), 1, &palEntry) == 1)
+ {
+ *Color = RGB(palEntry.peRed, palEntry.peGreen, palEntry.peBlue);
+ }
+ DC_UnlockDc(pdc);
+ break;
+ default:
+ DPRINT("Unsupported color type %d passed\n", *Color >> 24);
+ break;
+ }
}
-BOOL STDCALL
+BOOL APIENTRY
GdiSetPixelV(
- HDC hDC,
- INT X,
- INT Y,
- COLORREF Color)
+ HDC hDC,
+ INT X,
+ INT Y,
+ COLORREF Color)
{
- HBRUSH NewBrush = NtGdiCreateSolidBrush(Color, NULL);
- HGDIOBJ OldBrush;
-
- if (NewBrush == NULL)
- return(FALSE);
- OldBrush = NtGdiSelectBrush(hDC, NewBrush);
- if (OldBrush == NULL)
- {
- NtGdiDeleteObject(NewBrush);
- return(FALSE);
- }
- NtGdiPatBlt(hDC, X, Y, 1, 1, PATCOPY);
- NtGdiSelectBrush(hDC, OldBrush);
- NtGdiDeleteObject(NewBrush);
- return TRUE;
+ HBRUSH hBrush;
+ HGDIOBJ OldBrush;
+
+ if ((Color & 0xFF000000) != 0)
+ {
+ IntHandleSpecialColorType(hDC, &Color);
+ }
+
+ hBrush = NtGdiCreateSolidBrush(Color, NULL);
+ if (hBrush == NULL)
+ return FALSE;
+
+ OldBrush = NtGdiSelectBrush(hDC, hBrush);
+ if (OldBrush == NULL)
+ {
+ GreDeleteObject(hBrush);
+ return FALSE;
+ }
+
+ NtGdiPatBlt(hDC, X, Y, 1, 1, PATCOPY);
+ NtGdiSelectBrush(hDC, OldBrush);
+ GreDeleteObject(hBrush);
+
+ return TRUE;
}
-COLORREF STDCALL
+COLORREF APIENTRY
NtGdiSetPixel(
- HDC hDC,
- INT X,
- INT Y,
- COLORREF Color)
+ HDC hDC,
+ INT X,
+ INT Y,
+ COLORREF Color)
{
- DPRINT("0 NtGdiSetPixel X %ld Y %ld C %ld\n",X,Y,Color);
-
- if (GdiSetPixelV(hDC,X,Y,Color))
- {
- Color = NtGdiGetPixel(hDC,X,Y);
- DPRINT("1 NtGdiSetPixel X %ld Y %ld C %ld\n",X,Y,Color);
- return Color;
- }
-
- Color = ((COLORREF) CLR_INVALID);
- DPRINT("2 NtGdiSetPixel X %ld Y %ld C %ld\n",X,Y,Color);
- return Color;
+ DPRINT("0 NtGdiSetPixel X %ld Y %ld C %ld\n", X, Y, Color);
+
+ if (GdiSetPixelV(hDC,X,Y,Color))
+ {
+ Color = NtGdiGetPixel(hDC,X,Y);
+ DPRINT("1 NtGdiSetPixel X %ld Y %ld C %ld\n", X, Y, Color);
+ return Color;
+ }
+
+ Color = (COLORREF)CLR_INVALID;
+ DPRINT("2 NtGdiSetPixel X %ld Y %ld C %ld\n", X, Y, Color);
+ return Color;
}
/* Internal Functions */
-INT FASTCALL
-BITMAPOBJ_GetRealBitsPixel(INT nBitsPixel)
+UINT FASTCALL
+BITMAP_GetRealBitsPixel(UINT nBitsPixel)
{
- if (nBitsPixel < 0)
- return 0;
- if (nBitsPixel <= 1)
- return 1;
- if (nBitsPixel <= 2)
- return 2;
- if (nBitsPixel <= 4)
- return 4;
- if (nBitsPixel <= 8)
- return 8;
- if (nBitsPixel <= 16)
- return 16;
- if (nBitsPixel <= 24)
- return 24;
- if (nBitsPixel <= 32)
- return 32;
-
- return 0;
+ if (nBitsPixel <= 1)
+ return 1;
+ if (nBitsPixel <= 4)
+ return 4;
+ if (nBitsPixel <= 8)
+ return 8;
+ if (nBitsPixel <= 16)
+ return 16;
+ if (nBitsPixel <= 24)
+ return 24;
+ if (nBitsPixel <= 32)
+ return 32;
+
+ return 0;
}
INT FASTCALL
-BITMAPOBJ_GetWidthBytes (INT bmWidth, INT bpp)
+BITMAP_GetWidthBytes(INT bmWidth, INT bpp)
{
#if 0
- switch(bpp)
- {
- case 1:
- return 2 * ((bmWidth+15) >> 4);
+ switch (bpp)
+ {
+ case 1:
+ return 2 * ((bmWidth+15) >> 4);
- case 24:
- bmWidth *= 3; /* fall through */
- case 8:
- return bmWidth + (bmWidth & 1);
+ case 24:
+ bmWidth *= 3; /* fall through */
+ case 8:
+ return bmWidth + (bmWidth & 1);
- case 32:
- return bmWidth * 4;
+ case 32:
+ return bmWidth * 4;
- case 16:
- case 15:
- return bmWidth * 2;
+ case 16:
+ case 15:
+ return bmWidth * 2;
- case 4:
- return 2 * ((bmWidth+3) >> 2);
+ case 4:
+ return 2 * ((bmWidth+3) >> 2);
- default:
- DPRINT ("stub");
- }
+ default:
+ DPRINT ("stub");
+ }
- return -1;
+ return -1;
#endif
- return ((bmWidth * bpp + 15) & ~15) >> 3;
+ return ((bmWidth * bpp + 15) & ~15) >> 3;
}
HBITMAP FASTCALL
-BITMAPOBJ_CopyBitmap(HBITMAP hBitmap)
+BITMAP_CopyBitmap(HBITMAP hBitmap)
{
- HBITMAP res;
- BITMAP bm;
- BITMAPOBJ *Bitmap, *resBitmap;
- SIZEL Size;
-
- if (hBitmap == NULL)
- {
- return 0;
- }
-
- Bitmap = GDIOBJ_LockObj(hBitmap, GDI_OBJECT_TYPE_BITMAP);
- if (Bitmap == NULL)
- {
- return 0;
- }
-
- BITMAP_GetObject(Bitmap, sizeof(BITMAP), &bm);
- bm.bmBits = NULL;
- if (Bitmap->SurfObj.lDelta >= 0)
- bm.bmHeight = -bm.bmHeight;
-
- Size.cx = abs(bm.bmWidth);
- Size.cy = abs(bm.bmHeight);
- res = IntCreateBitmap(Size,
- bm.bmWidthBytes,
- BitmapFormat(bm.bmBitsPixel * bm.bmPlanes, BI_RGB),
- (bm.bmHeight < 0 ? BMF_TOPDOWN : 0) | BMF_NOZEROINIT,
- NULL);
-
- if(res)
- {
- PBYTE buf;
-
- resBitmap = GDIOBJ_LockObj(res, GDI_OBJECT_TYPE_BITMAP);
- if (resBitmap)
- {
- buf = ExAllocatePoolWithTag (PagedPool, bm.bmWidthBytes * abs(bm.bmHeight), TAG_BITMAP);
- if (buf == NULL)
- {
- GDIOBJ_UnlockObjByPtr((POBJ)resBitmap);
- GDIOBJ_UnlockObjByPtr((POBJ)Bitmap);
- NtGdiDeleteObject(res);
- return 0;
- }
- IntGetBitmapBits (Bitmap, bm.bmWidthBytes * abs(bm.bmHeight), buf);
- IntSetBitmapBits (resBitmap, bm.bmWidthBytes * abs(bm.bmHeight), buf);
- ExFreePool (buf);
- resBitmap->flFlags = Bitmap->flFlags;
- GDIOBJ_UnlockObjByPtr((POBJ)resBitmap);
- }
- else
- {
- NtGdiDeleteObject(res);
- res = NULL;
- }
- }
-
- GDIOBJ_UnlockObjByPtr((POBJ)Bitmap);
-
- return res;
+ HBITMAP res;
+ BITMAP bm;
+ SURFACE *Bitmap, *resBitmap;
+ SIZEL Size;
+
+ if (hBitmap == NULL)
+ {
+ return 0;
+ }
+
+ Bitmap = GDIOBJ_LockObj(hBitmap, GDI_OBJECT_TYPE_BITMAP);
+ if (Bitmap == NULL)
+ {
+ return 0;
+ }
+
+ BITMAP_GetObject(Bitmap, sizeof(BITMAP), (PVOID)&bm);
+ bm.bmBits = NULL;
+ if (Bitmap->SurfObj.lDelta >= 0)
+ bm.bmHeight = -bm.bmHeight;
+
+ Size.cx = abs(bm.bmWidth);
+ Size.cy = abs(bm.bmHeight);
+ res = IntCreateBitmap(Size,
+ bm.bmWidthBytes,
+ BitmapFormat(bm.bmBitsPixel * bm.bmPlanes, BI_RGB),
+ (bm.bmHeight < 0 ? BMF_TOPDOWN : 0) | BMF_NOZEROINIT,
+ NULL);
+
+ if (res)
+ {
+ PBYTE buf;
+
+ resBitmap = GDIOBJ_LockObj(res, GDI_OBJECT_TYPE_BITMAP);
+ if (resBitmap)
+ {
+ buf = ExAllocatePoolWithTag(PagedPool,
+ bm.bmWidthBytes * abs(bm.bmHeight),
+ TAG_BITMAP);
+ if (buf == NULL)
+ {
+ GDIOBJ_UnlockObjByPtr((POBJ)resBitmap);
+ GDIOBJ_UnlockObjByPtr((POBJ)Bitmap);
+ GreDeleteObject(res);
+ return 0;
+ }
+ IntGetBitmapBits(Bitmap, bm.bmWidthBytes * abs(bm.bmHeight), buf);
+ IntSetBitmapBits(resBitmap, bm.bmWidthBytes * abs(bm.bmHeight), buf);
+ ExFreePoolWithTag(buf,TAG_BITMAP);
+ resBitmap->flFlags = Bitmap->flFlags;
+ GDIOBJ_UnlockObjByPtr((POBJ)resBitmap);
+ }
+ else
+ {
+ GreDeleteObject(res);
+ res = NULL;
+ }
+ }
+
+ GDIOBJ_UnlockObjByPtr((POBJ)Bitmap);
+
+ return res;
}
-INT STDCALL
-BITMAP_GetObject(BITMAPOBJ * bmp, INT Count, LPVOID buffer)
+INT APIENTRY
+BITMAP_GetObject(SURFACE *psurf, INT Count, LPVOID buffer)
{
- if ((UINT)Count < sizeof(BITMAP)) return 0;
-
- if(bmp->dib)
- {
- if((UINT)Count < sizeof(DIBSECTION))
- {
- Count = sizeof(BITMAP);
- }
- else
- {
- Count = sizeof(DIBSECTION);
- }
- if (buffer)
- {
- memcpy(buffer, bmp->dib, Count);
- }
- return Count;
- }
- else
- {
- Count = sizeof(BITMAP);
- if (buffer)
- {
- BITMAP Bitmap;
-
- Count = sizeof(BITMAP);
- Bitmap.bmType = 0;
- Bitmap.bmWidth = bmp->SurfObj.sizlBitmap.cx;
- Bitmap.bmHeight = bmp->SurfObj.sizlBitmap.cy;
- Bitmap.bmWidthBytes = abs(bmp->SurfObj.lDelta);
- Bitmap.bmPlanes = 1;
- Bitmap.bmBitsPixel = BitsPerFormat(bmp->SurfObj.iBitmapFormat);
- //Bitmap.bmBits = bmp->SurfObj.pvBits;
- Bitmap.bmBits = NULL; /* not set accoring wine test confirm in win2k */
- memcpy(buffer, &Bitmap, Count);
- }
- return Count;
- }
+ PBITMAP pBitmap;
+
+ if (!buffer) return sizeof(BITMAP);
+ if ((UINT)Count < sizeof(BITMAP)) return 0;
+
+ /* always fill a basic BITMAP structure */
+ pBitmap = buffer;
+ pBitmap->bmType = 0;
+ pBitmap->bmWidth = psurf->SurfObj.sizlBitmap.cx;
+ pBitmap->bmHeight = psurf->SurfObj.sizlBitmap.cy;
+ pBitmap->bmWidthBytes = abs(psurf->SurfObj.lDelta);
+ pBitmap->bmPlanes = 1;
+ pBitmap->bmBitsPixel = BitsPerFormat(psurf->SurfObj.iBitmapFormat);
+
+ /* Check for DIB section */
+ if (psurf->hSecure)
+ {
+ /* Set bmBits in this case */
+ pBitmap->bmBits = psurf->SurfObj.pvBits;
+
+ if (Count >= sizeof(DIBSECTION))
+ {
+ /* Fill rest of DIBSECTION */
+ PDIBSECTION pds = buffer;
+
+ pds->dsBmih.biSize = sizeof(BITMAPINFOHEADER);
+ pds->dsBmih.biWidth = pds->dsBm.bmWidth;
+ pds->dsBmih.biHeight = pds->dsBm.bmHeight;
+ pds->dsBmih.biPlanes = pds->dsBm.bmPlanes;
+ pds->dsBmih.biBitCount = pds->dsBm.bmBitsPixel;
+ 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:
+ pds->dsBmih.biCompression = BI_RGB;
+ break;
+ case BMF_4RLE:
+ pds->dsBmih.biCompression = BI_RLE4;
+ break;
+ case BMF_8RLE:
+ pds->dsBmih.biCompression = BI_RLE8;
+ break;
+ case BMF_JPEG:
+ pds->dsBmih.biCompression = BI_JPEG;
+ break;
+ case BMF_PNG:
+ pds->dsBmih.biCompression = BI_PNG;
+ break;
+ }
+ pds->dsBmih.biSizeImage = psurf->SurfObj.cjBits;
+ pds->dsBmih.biXPelsPerMeter = 0;
+ pds->dsBmih.biYPelsPerMeter = 0;
+ pds->dsBmih.biClrUsed = psurf->biClrUsed;
+ pds->dsBmih.biClrImportant = psurf->biClrImportant;
+ pds->dsBitfields[0] = psurf->dsBitfields[0];
+ pds->dsBitfields[1] = psurf->dsBitfields[1];
+ pds->dsBitfields[2] = psurf->dsBitfields[2];
+ pds->dshSection = psurf->hDIBSection;
+ pds->dsOffset = psurf->dwOffset;
+
+ return sizeof(DIBSECTION);
+ }
+ }
+ else
+ {
+ /* not set according to wine test, confirmed in win2k */
+ pBitmap->bmBits = NULL;
+ }
+
+ return sizeof(BITMAP);
}
/*
NtGdiGetDCforBitmap(
IN HBITMAP hsurf)
{
- HDC hDC = NULL;
- PBITMAPOBJ bmp = BITMAPOBJ_LockBitmap( hsurf );
- hDC = bmp->hDC;
- BITMAPOBJ_UnlockBitmap( bmp );
- return hDC;
+ HDC hDC = NULL;
+ PSURFACE psurf = SURFACE_LockSurface(hsurf);
+ if (psurf)
+ {
+ hDC = psurf->hDC;
+ SURFACE_UnlockSurface(psurf);
+ }
+ return hDC;
}
-
/* EOF */
projects / reactos.git / blobdiff