* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-/* $Id: bitmaps.c,v 1.32 2003/08/13 20:24:05 chorns Exp $ */
-#undef WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#include <stdlib.h>
-#include <win32k/bitmaps.h>
-//#include <win32k/debug.h>
-#include "../eng/handle.h"
-#include <include/inteng.h>
-#include <include/eng.h>
-#include <include/surface.h>
+/* $Id$ */
+
+#include <w32k.h>
#define NDEBUG
-#include <win32k/debug1.h>
-
-BOOL STDCALL W32kBitBlt(HDC hDCDest,
- INT XDest,
- INT YDest,
- INT Width,
- INT Height,
- HDC hDCSrc,
- INT XSrc,
- INT YSrc,
- DWORD ROP)
+#include <debug.h>
+
+#define IN_RECT(r,x,y) \
+( \
+ (x) >= (r).left && \
+ (y) >= (r).top && \
+ (x) < (r).right && \
+ (y) < (r).bottom \
+)
+
+BOOL STDCALL
+NtGdiBitBlt(
+ HDC hDCDest,
+ INT XDest,
+ INT YDest,
+ INT Width,
+ INT Height,
+ HDC hDCSrc,
+ INT XSrc,
+ INT YSrc,
+ DWORD ROP,
+ IN DWORD crBackColor,
+ IN FLONG fl)
{
- GDIMULTILOCK Lock[2] = {{hDCDest, 0, GO_DC_MAGIC}, {hDCSrc, 0, GO_DC_MAGIC}};
- PDC DCDest = NULL;
- PDC DCSrc = NULL;
- PSURFOBJ SurfDest, SurfSrc;
- PSURFGDI SurfGDIDest, SurfGDISrc;
- RECTL DestRect;
- POINTL SourcePoint;
- //PBITMAPOBJ DestBitmapObj;
- //PBITMAPOBJ SrcBitmapObj;
- BOOL Status, SurfDestAlloc, SurfSrcAlloc, XlateAlloc;
- PPALOBJ DCLogPal;
- PPALGDI PalDestGDI, PalSourceGDI;
- PXLATEOBJ XlateObj = NULL;
- HPALETTE SourcePalette, DestPalette;
-
- if ( !GDIOBJ_LockMultipleObj(Lock, sizeof(Lock)/sizeof(Lock[0])) )
- {
- DPRINT1("GDIOBJ_LockMultipleObj() failed\n" );
- return STATUS_INVALID_PARAMETER;
- }
-
- DCDest = Lock[0].pObj;
- DCSrc = Lock[1].pObj;
+ PDC DCDest = NULL;
+ PDC DCSrc = NULL;
+ BITMAPOBJ *BitmapDest, *BitmapSrc;
+ RECTL DestRect;
+ POINTL SourcePoint, BrushOrigin;
+ BOOL Status;
+ XLATEOBJ *XlateObj = NULL;
+ HPALETTE SourcePalette = 0, DestPalette = 0;
+ PGDIBRUSHOBJ BrushObj;
+ GDIBRUSHINST BrushInst;
+ BOOL UsesSource = ROP3_USES_SOURCE(ROP);
+ BOOL UsesPattern = ROP3_USES_PATTERN(ROP);
+
+ DCDest = DC_LockDc(hDCDest);
+ if (NULL == DCDest)
+ {
+ DPRINT1("Invalid destination dc handle (0x%08x) passed to NtGdiBitBlt\n", hDCDest);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+ if (DCDest->IsIC)
+ {
+ DC_UnlockDc(DCDest);
+ /* Yes, Windows really returns TRUE in this case */
+ return TRUE;
+ }
- if ( !DCDest || !DCSrc )
- return STATUS_INVALID_PARAMETER;
+ if (UsesSource)
+ {
+ if (hDCSrc != hDCDest)
+ {
+ DCSrc = DC_LockDc(hDCSrc);
+ if (NULL == DCSrc)
+ {
+ DC_UnlockDc(DCDest);
+ DPRINT1("Invalid source dc handle (0x%08x) passed to NtGdiBitBlt\n", hDCSrc);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+ if (DCSrc->IsIC)
+ {
+ DC_UnlockDc(DCSrc);
+ DC_UnlockDc(DCDest);
+ /* Yes, Windows really returns TRUE in this case */
+ return TRUE;
+ }
+ }
+ else
+ {
+ DCSrc = DCDest;
+ }
+ }
+ else
+ {
+ DCSrc = NULL;
+ }
- /* Offset the destination and source by the origin of their DCs. */
- XDest += DCDest->w.DCOrgX;
- YDest += DCDest->w.DCOrgY;
- XSrc += DCSrc->w.DCOrgX;
- YSrc += DCSrc->w.DCOrgY;
+ /* Offset the destination and source by the origin of their DCs. */
+ XDest += DCDest->w.DCOrgX;
+ YDest += DCDest->w.DCOrgY;
+ if (UsesSource)
+ {
+ XSrc += DCSrc->w.DCOrgX;
+ YSrc += DCSrc->w.DCOrgY;
+ }
- DestRect.left = XDest;
- DestRect.top = YDest;
- DestRect.right = XDest+Width;
- DestRect.bottom = YDest+Height;
+ DestRect.left = XDest;
+ DestRect.top = YDest;
+ DestRect.right = XDest+Width;
+ DestRect.bottom = YDest+Height;
- SourcePoint.x = XSrc;
- SourcePoint.y = YSrc;
+ IntLPtoDP(DCDest, (LPPOINT)&DestRect, 2);
- SurfDestAlloc = FALSE;
- SurfSrcAlloc = FALSE;
- XlateAlloc = FALSE;
+ SourcePoint.x = XSrc;
+ SourcePoint.y = YSrc;
- // Determine surfaces to be used in the bitblt
- SurfDest = (PSURFOBJ)AccessUserObject((ULONG)DCDest->Surface);
- SurfSrc = (PSURFOBJ)AccessUserObject((ULONG)DCSrc->Surface);
+ BrushOrigin.x = 0;
+ BrushOrigin.y = 0;
- SurfGDIDest = (PSURFGDI)AccessInternalObjectFromUserObject(SurfDest);
- SurfGDISrc = (PSURFGDI)AccessInternalObjectFromUserObject(SurfSrc);
+ /* Determine surfaces to be used in the bitblt */
+ BitmapDest = BITMAPOBJ_LockBitmap(DCDest->w.hBitmap);
+ if (UsesSource)
+ {
+ if (DCSrc->w.hBitmap == DCDest->w.hBitmap)
+ BitmapSrc = BitmapDest;
+ else
+ BitmapSrc = BITMAPOBJ_LockBitmap(DCSrc->w.hBitmap);
+ }
+ else
+ {
+ BitmapSrc = NULL;
+ }
- // Retrieve the logical palette of the destination DC
- DCLogPal = (PPALOBJ)AccessUserObject((ULONG)DCDest->w.hPalette);
+ if (UsesPattern)
+ {
+ BrushObj = BRUSHOBJ_LockBrush(DCDest->w.hBrush);
+ if (NULL == BrushObj)
+ {
+ if (UsesSource && hDCSrc != hDCDest)
+ {
+ DC_UnlockDc(DCSrc);
+ }
+ if(BitmapDest != NULL)
+ {
+ BITMAPOBJ_UnlockBitmap(BitmapDest);
+ }
+ if(BitmapSrc != NULL && BitmapSrc != BitmapDest)
+ {
+ BITMAPOBJ_UnlockBitmap(BitmapSrc);
+ }
+ DC_UnlockDc(DCDest);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+ BrushOrigin = BrushObj->ptOrigin;
+ IntGdiInitBrushInstance(&BrushInst, BrushObj, DCDest->XlateBrush);
+ }
+ else
+ {
+ BrushObj = NULL;
+ }
- if(DCLogPal)
- if(DCLogPal->logicalToSystem)
- XlateObj = DCLogPal->logicalToSystem;
+ /* Create the XLATEOBJ. */
+ if (UsesSource)
+ {
+ if (DCDest->w.hPalette != 0)
+ DestPalette = DCDest->w.hPalette;
+
+ if (DCSrc->w.hPalette != 0)
+ SourcePalette = DCSrc->w.hPalette;
+
+ /* KB41464 details how to convert between mono and color */
+ if (DCDest->w.bitsPerPixel == 1 && DCSrc->w.bitsPerPixel == 1)
+ {
+ XlateObj = NULL;
+ }
+ else
+ {
+ if (DCDest->w.bitsPerPixel == 1)
+ {
+ XlateObj = IntEngCreateMonoXlate(0, DestPalette, SourcePalette, DCSrc->w.backgroundColor);
+ }
+ else if (DCSrc->w.bitsPerPixel == 1)
+ {
+ XlateObj = IntEngCreateSrcMonoXlate(DestPalette, DCSrc->w.backgroundColor, DCSrc->w.textColor);
+ }
+ else
+ {
+ XlateObj = IntEngCreateXlate(0, 0, DestPalette, SourcePalette);
+ }
+ if (NULL == XlateObj)
+ {
+ if (UsesSource && hDCSrc != hDCDest)
+ {
+ DC_UnlockDc(DCSrc);
+ }
+ DC_UnlockDc(DCDest);
+ if(BitmapDest != NULL)
+ {
+ BITMAPOBJ_UnlockBitmap(BitmapDest);
+ }
+ if(BitmapSrc != NULL && BitmapSrc != BitmapDest)
+ {
+ BITMAPOBJ_UnlockBitmap(BitmapSrc);
+ }
+ if(BrushObj != NULL)
+ {
+ BRUSHOBJ_UnlockBrush(BrushObj);
+ }
+ SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
+ return FALSE;
+ }
+ }
+ }
- // If the source and destination formats differ, create an XlateObj [what if we already have one??]
- if((BitsPerFormat(SurfDest->iBitmapFormat) != BitsPerFormat(SurfSrc->iBitmapFormat)) && (XlateObj == NULL))
- {
- if(DCDest->w.hPalette != 0)
- DestPalette = DCDest->w.hPalette;
- else
- DestPalette = W32kGetStockObject(DEFAULT_PALETTE);
+ /* Perform the bitblt operation */
+ Status = IntEngBitBlt(&BitmapDest->SurfObj, &BitmapSrc->SurfObj, NULL,
+ DCDest->CombinedClip, XlateObj, &DestRect,
+ &SourcePoint, NULL,
+ BrushObj ? &BrushInst.BrushObject : NULL,
+ &BrushOrigin, ROP3_TO_ROP4(ROP));
+
+ if (UsesSource && XlateObj != NULL)
+ EngDeleteXlate(XlateObj);
+
+ if(BitmapDest != NULL)
+ {
+ BITMAPOBJ_UnlockBitmap(BitmapDest);
+ }
+ if (UsesSource && BitmapSrc != BitmapDest)
+ {
+ BITMAPOBJ_UnlockBitmap(BitmapSrc);
+ }
+ if (BrushObj != NULL)
+ {
+ BRUSHOBJ_UnlockBrush(BrushObj);
+ }
+ if (UsesSource && hDCSrc != hDCDest)
+ {
+ DC_UnlockDc(DCSrc);
+ }
+ DC_UnlockDc(DCDest);
- if(DCSrc->w.hPalette != 0)
- SourcePalette = DCSrc->w.hPalette;
- else
- SourcePalette = W32kGetStockObject(DEFAULT_PALETTE);
+ return Status;
+}
- PalDestGDI = (PPALGDI)AccessInternalObject((ULONG)DestPalette);
- PalSourceGDI = (PPALGDI)AccessInternalObject((ULONG)SourcePalette);
+BOOL STDCALL
+NtGdiTransparentBlt(
+ HDC hdcDst,
+ INT xDst,
+ INT yDst,
+ INT cxDst,
+ INT cyDst,
+ HDC hdcSrc,
+ INT xSrc,
+ INT ySrc,
+ INT cxSrc,
+ INT cySrc,
+ COLORREF TransColor)
+{
+ PDC DCDest, DCSrc;
+ RECTL rcDest, rcSrc;
+ BITMAPOBJ *BitmapDest, *BitmapSrc;
+ XLATEOBJ *XlateObj;
+ HPALETTE SourcePalette = 0, DestPalette = 0;
+ PPALGDI PalDestGDI, PalSourceGDI;
+ USHORT PalDestMode, PalSrcMode;
+ ULONG TransparentColor = 0;
+ BOOL Ret = FALSE;
- XlateObj = (PXLATEOBJ)IntEngCreateXlate(PalDestGDI->Mode, PalSourceGDI->Mode, DestPalette, SourcePalette);
- XlateAlloc = TRUE;
+ if(!(DCDest = DC_LockDc(hdcDst)))
+ {
+ DPRINT1("Invalid destination dc handle (0x%08x) passed to NtGdiTransparentBlt\n", hdcDst);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+ if (DCDest->IsIC)
+ {
+ DC_UnlockDc(DCDest);
+ /* Yes, Windows really returns TRUE in this case */
+ return TRUE;
}
- // Perform the bitblt operation
-
- Status = IntEngBitBlt(SurfDest, SurfSrc, NULL, DCDest->CombinedClip, XlateObj, &DestRect, &SourcePoint, NULL, NULL, NULL, ROP);
-
- if (XlateAlloc) EngDeleteXlate(XlateObj);
- if (SurfDestAlloc) ExFreePool(SurfDest);
- if (SurfSrcAlloc) ExFreePool(SurfSrc);
-
- GDIOBJ_UnlockMultipleObj(Lock, sizeof(Lock)/sizeof(Lock[0]));
+ if((hdcDst != hdcSrc) && !(DCSrc = DC_LockDc(hdcSrc)))
+ {
+ DC_UnlockDc(DCDest);
+ DPRINT1("Invalid source dc handle (0x%08x) passed to NtGdiTransparentBlt\n", hdcSrc);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+ if(hdcDst == hdcSrc)
+ {
+ DCSrc = DCDest;
+ }
+ if (DCSrc->IsIC)
+ {
+ DC_UnlockDc(DCSrc);
+ if(hdcDst != hdcSrc)
+ {
+ DC_UnlockDc(DCDest);
+ }
+ /* Yes, Windows really returns TRUE in this case */
+ return TRUE;
+ }
- return Status;
-}
+ /* Offset positions */
+ xDst += DCDest->w.DCOrgX;
+ yDst += DCDest->w.DCOrgY;
+ xSrc += DCSrc->w.DCOrgX;
+ ySrc += DCSrc->w.DCOrgY;
-HBITMAP STDCALL W32kCreateBitmap(INT Width,
- INT Height,
- UINT Planes,
- UINT BitsPerPel,
- CONST VOID *Bits)
-{
- PBITMAPOBJ bmp;
- HBITMAP hBitmap;
+ if(DCDest->w.hPalette)
+ DestPalette = DCDest->w.hPalette;
- Planes = (BYTE) Planes;
- BitsPerPel = (BYTE) BitsPerPel;
+ if(DCSrc->w.hPalette)
+ SourcePalette = DCSrc->w.hPalette;
- /* Check parameters */
- if (!Height || !Width)
+ if(!(PalSourceGDI = PALETTE_LockPalette(SourcePalette)))
{
- return 0;
+ DC_UnlockDc(DCSrc);
+ DC_UnlockDc(DCDest);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
}
- if (Planes != 1)
+ if((DestPalette != SourcePalette) && !(PalDestGDI = PALETTE_LockPalette(DestPalette)))
{
- UNIMPLEMENTED;
- return 0;
+ PALETTE_UnlockPalette(PalSourceGDI);
+ DC_UnlockDc(DCSrc);
+ DC_UnlockDc(DCDest);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
}
- if (Height < 0)
+ if(DestPalette != SourcePalette)
{
- Height = -Height;
+ PalDestMode = PalDestGDI->Mode;
+ PalSrcMode = PalSourceGDI->Mode;
+ PALETTE_UnlockPalette(PalDestGDI);
}
- if (Width < 0)
+ else
{
- Width = -Width;
+ PalDestMode = PalSrcMode = PalSourceGDI->Mode;
}
+ PALETTE_UnlockPalette(PalSourceGDI);
- /* Create the BITMAPOBJ */
- hBitmap = BITMAPOBJ_AllocBitmap ();
- if (!hBitmap)
+ /* Translate Transparent (RGB) Color to the source palette */
+ if((XlateObj = (XLATEOBJ*)IntEngCreateXlate(PalSrcMode, PAL_RGB, SourcePalette, NULL)))
{
- DPRINT("W32kCreateBitmap: BITMAPOBJ_AllocBitmap returned 0\n");
- return 0;
+ TransparentColor = XLATEOBJ_iXlate(XlateObj, (ULONG)TransColor);
+ EngDeleteXlate(XlateObj);
}
- bmp = BITMAPOBJ_HandleToPtr( hBitmap );
-
- DPRINT("W32kCreateBitmap:%dx%d, %d (%d BPP) colors returning %08x\n", Width, Height,
- 1 << (Planes * BitsPerPel), BitsPerPel, bmp);
-
- bmp->size.cx = Width;
- bmp->size.cy = Height;
- bmp->bitmap.bmType = 0;
- bmp->bitmap.bmWidth = Width;
- bmp->bitmap.bmHeight = Height;
- bmp->bitmap.bmPlanes = Planes;
- bmp->bitmap.bmBitsPixel = BitsPerPel;
- bmp->bitmap.bmWidthBytes = BITMAPOBJ_GetWidthBytes (Width, BitsPerPel);
- bmp->bitmap.bmBits = NULL;
- bmp->DDBitmap = NULL;
- bmp->dib = NULL;
+ /* Create the XLATE object to convert colors between source and destination */
+ XlateObj = (XLATEOBJ*)IntEngCreateXlate(PalDestMode, PalSrcMode, DestPalette, SourcePalette);
+
+ BitmapDest = BITMAPOBJ_LockBitmap(DCDest->w.hBitmap);
+ /* FIXME - BitmapDest can be NULL!!!! Don't assert here! */
+ ASSERT(BitmapDest);
+ BitmapSrc = BITMAPOBJ_LockBitmap(DCSrc->w.hBitmap);
+ /* FIXME - BitmapSrc can be NULL!!!! Don't assert here! */
+ ASSERT(BitmapSrc);
+
+ rcDest.left = xDst;
+ rcDest.top = yDst;
+ rcDest.right = rcDest.left + cxDst;
+ rcDest.bottom = rcDest.top + cyDst;
+ rcSrc.left = xSrc;
+ rcSrc.top = ySrc;
+ rcSrc.right = rcSrc.left + cxSrc;
+ rcSrc.bottom = rcSrc.top + cySrc;
+
+ if((cxDst != cxSrc) || (cyDst != cySrc))
+ {
+ DPRINT1("TransparentBlt() does not support stretching at the moment!\n");
+ goto done;
+ }
- // Allocate memory for bitmap bits
- bmp->bitmap.bmBits = ExAllocatePool(PagedPool, bmp->bitmap.bmWidthBytes * bmp->bitmap.bmHeight);
+ Ret = IntEngTransparentBlt(&BitmapDest->SurfObj, &BitmapSrc->SurfObj,
+ DCDest->CombinedClip, XlateObj, &rcDest, &rcSrc,
+ TransparentColor, 0);
- if (Bits) /* Set bitmap bits */
+done:
+ BITMAPOBJ_UnlockBitmap(BitmapDest);
+ BITMAPOBJ_UnlockBitmap(BitmapSrc);
+ DC_UnlockDc(DCSrc);
+ if(hdcDst != hdcSrc)
{
- W32kSetBitmapBits(hBitmap, Height * bmp->bitmap.bmWidthBytes, Bits);
+ DC_UnlockDc(DCDest);
}
+ if(XlateObj)
+ {
+ EngDeleteXlate(XlateObj);
+ }
+ return Ret;
+}
- BITMAPOBJ_ReleasePtr( hBitmap );
-
- return hBitmap;
+static FASTCALL HBITMAP
+IntCreateBitmapIndirect(CONST BITMAP *BM)
+{
+ PBITMAPOBJ bmp;
+ HBITMAP hBitmap;
+ SIZEL Size;
+ UINT BitsPixel;
+
+ /* NOTE: Windows also doesn't store nr. of planes separately! */
+ BitsPixel = BM->bmBitsPixel * BM->bmPlanes;
+
+ /* Check parameters */
+ if (0 == BM->bmHeight || 0 == BM->bmWidth)
+ {
+ Size.cx = Size.cy = 1;
+ }
+ else
+ {
+ Size.cx = abs(BM->bmWidth);
+ Size.cy = abs(BM->bmHeight);
+ }
+
+ /* Create the bitmap object. */
+ hBitmap = IntCreateBitmap(Size, BM->bmWidthBytes,
+ BitmapFormat(BitsPixel, BI_RGB),
+ (BM->bmHeight < 0 ? BMF_TOPDOWN : 0) |
+ (NULL == BM->bmBits ? 0 : BMF_NOZEROINIT), NULL);
+ if (!hBitmap)
+ {
+ DPRINT("NtGdiCreateBitmap: IntCreateBitmap returned 0\n");
+ return 0;
+ }
+
+ DPRINT("NtGdiCreateBitmap:%dx%d, %d BPP colors returning %08x\n",
+ Size.cx, Size.cy, BitsPixel, hBitmap);
+
+ bmp = BITMAPOBJ_LockBitmap( hBitmap );
+ /* FIXME - bmp can be NULL!!!!!! */
+ bmp->flFlags = BITMAPOBJ_IS_APIBITMAP;
+ BITMAPOBJ_UnlockBitmap( bmp );
+
+ /*
+ * NOTE: It's ugly practice, but we are using the object even
+ * after unlocking. Since the handle is currently known only
+ * to us it should be safe.
+ */
+
+ if (NULL != BM->bmBits)
+ {
+ NtGdiSetBitmapBits(hBitmap, bmp->SurfObj.cjBits, BM->bmBits);
+ }
+
+ return hBitmap;
}
-BOOL FASTCALL Bitmap_InternalDelete( PBITMAPOBJ pBmp )
+HBITMAP STDCALL
+NtGdiCreateBitmap(
+ INT Width,
+ INT Height,
+ UINT Planes,
+ UINT BitsPixel,
+ IN OPTIONAL LPBYTE Bits)
{
- ASSERT( pBmp );
+ BITMAP BM;
- if (NULL != pBmp->bitmap.bmBits)
- {
- if (NULL != pBmp->dib)
+ BM.bmType = 0;
+ BM.bmWidth = Width;
+ BM.bmHeight = Height;
+ BM.bmWidthBytes = BITMAPOBJ_GetWidthBytes(Width, Planes * BitsPixel);
+ BM.bmPlanes = Planes;
+ BM.bmBitsPixel = BitsPixel;
+ BM.bmBits = Bits;
+
+ return IntCreateBitmapIndirect(&BM);
+}
+
+BOOL INTERNAL_CALL
+BITMAP_Cleanup(PVOID ObjectBody)
+{
+ PBITMAPOBJ pBmp = (PBITMAPOBJ)ObjectBody;
+ if (pBmp->SurfObj.pvBits != NULL &&
+ (pBmp->flFlags & BITMAPOBJ_IS_APIBITMAP))
{
- if (NULL == pBmp->dib->dshSection)
- {
- EngFreeUserMem(pBmp->bitmap.bmBits);
- }
- else
- {
- /* This is a file-mapped section */
- UNIMPLEMENTED;
- }
+ if (pBmp->dib == NULL)
+ {
+ ExFreePool(pBmp->SurfObj.pvBits);
+ }
+ else
+ {
+ EngFreeUserMem(pBmp->SurfObj.pvBits);
+ }
+ if (pBmp->hDIBPalette)
+ {
+ NtGdiDeleteObject(pBmp->hDIBPalette);
+ }
}
- else
+
+ if (NULL != pBmp->BitsLock)
{
- ExFreePool(pBmp->bitmap.bmBits);
+ ExFreePoolWithTag(pBmp->BitsLock, TAG_BITMAPOBJ);
+ pBmp->BitsLock = NULL;
}
- }
- return TRUE;
+ return TRUE;
}
-HBITMAP STDCALL W32kCreateCompatibleBitmap(HDC hDC,
- INT Width,
- INT Height)
+HBITMAP FASTCALL
+IntCreateCompatibleBitmap(
+ PDC Dc,
+ INT Width,
+ INT Height)
{
- HBITMAP hbmpRet;
- PDC dc;
+ HBITMAP Bmp;
- hbmpRet = 0;
- dc = DC_HandleToPtr (hDC);
+ Bmp = NULL;
- DPRINT("W32kCreateCompatibleBitmap(%04x,%d,%d, bpp:%d) = \n", hDC, Width, Height, dc->w.bitsPerPixel);
+ 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 = NtGdiCreateBitmap (1, 1, 1, 1, NULL);
+ }
+ else
+ {
+ Bmp = NtGdiCreateBitmap(Width, Height, 1, Dc->w.bitsPerPixel, NULL);
+ }
+
+ return Bmp;
+}
- if (!dc)
+HBITMAP STDCALL
+NtGdiCreateCompatibleBitmap(
+ HDC hDC,
+ INT Width,
+ INT Height)
+{
+ HBITMAP Bmp;
+ PDC Dc;
+
+ Dc = DC_LockDc(hDC);
+
+ DPRINT("NtGdiCreateCompatibleBitmap(%04x,%d,%d, bpp:%d) = \n", hDC, Width, Height, Dc->w.bitsPerPixel);
+
+ 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;
+}
+
+HBITMAP STDCALL
+NtGdiCreateBitmapIndirect(CONST BITMAP *UnsafeBM)
+{
+ BITMAP BM;
+ NTSTATUS Status = STATUS_SUCCESS;
+
+ _SEH_TRY
{
- return 0;
+ ProbeForRead(UnsafeBM, sizeof(BITMAP), 1);
+ BM = *UnsafeBM;
+ if (NULL != BM.bmBits)
+ {
+ ProbeForRead(BM.bmBits, BM.bmWidthBytes * abs(BM.bmHeight), 2);
+ }
}
- if ((Width >= 0x10000) || (Height >= 0x10000))
+ _SEH_HANDLE
{
- DPRINT("got bad width %d or height %d, please look for reason\n", Width, Height);
+ Status = _SEH_GetExceptionCode();
}
- else
+ _SEH_END;
+ if(!NT_SUCCESS(Status))
{
- /* MS doc says if width or height is 0, return 1-by-1 pixel, monochrome bitmap */
- if (!Width || !Height)
- {
- hbmpRet = W32kCreateBitmap (1, 1, 1, 1, NULL);
- }
- else
- {
- hbmpRet = W32kCreateBitmap(Width, Height, 1, dc->w.bitsPerPixel, NULL);
- }
+ SetLastNtError(Status);
+ return NULL;
}
- DPRINT ("\t\t%04x\n", hbmpRet);
- DC_ReleasePtr( hDC );
- return hbmpRet;
+
+ return IntCreateBitmapIndirect(&BM);
}
-HBITMAP STDCALL W32kCreateBitmapIndirect(CONST BITMAP *BM)
+HBITMAP STDCALL
+NtGdiCreateDiscardableBitmap(
+ HDC hDC,
+ INT Width,
+ INT Height)
{
- return W32kCreateBitmap (BM->bmWidth,
- BM->bmHeight,
- BM->bmPlanes,
- BM->bmBitsPixel,
- BM->bmBits);
+ /* FIXME: this probably should do something else */
+ return NtGdiCreateCompatibleBitmap(hDC, Width, Height);
}
-HBITMAP STDCALL W32kCreateDiscardableBitmap(HDC hDC,
- INT Width,
- INT Height)
+BOOL STDCALL
+NtGdiExtFloodFill(
+ HDC hDC,
+ INT XStart,
+ INT YStart,
+ COLORREF Color,
+ UINT FillType)
{
- /* FIXME: this probably should do something else */
- return W32kCreateCompatibleBitmap(hDC, Width, Height);
+ DPRINT1("FIXME: NtGdiExtFloodFill is UNIMPLEMENTED\n");
+
+ /* lie and say we succeded */
+ return TRUE;
}
-BOOL STDCALL W32kExtFloodFill(HDC hDC,
- INT XStart,
- INT YStart,
- COLORREF Color,
- UINT FillType)
+BOOL STDCALL
+NtGdiFloodFill(
+ HDC hDC,
+ INT XStart,
+ INT YStart,
+ COLORREF Fill)
{
- UNIMPLEMENTED;
+ return NtGdiExtFloodFill(hDC, XStart, YStart, Fill, FLOODFILLBORDER );
}
-BOOL STDCALL W32kFloodFill(HDC hDC,
- INT XStart,
- INT YStart,
- COLORREF Fill)
+BOOL STDCALL
+NtGdiGetBitmapDimensionEx(
+ HBITMAP hBitmap,
+ LPSIZE Dimension)
{
- UNIMPLEMENTED;
+ PBITMAPOBJ bmp;
+
+ bmp = BITMAPOBJ_LockBitmap(hBitmap);
+ if (bmp == NULL)
+ {
+ return FALSE;
+ }
+
+ *Dimension = bmp->dimension;
+
+ BITMAPOBJ_UnlockBitmap(bmp);
+
+ return TRUE;
}
-BOOL STDCALL W32kGetBitmapDimensionEx(HBITMAP hBitmap,
- LPSIZE Dimension)
+COLORREF STDCALL
+NtGdiGetPixel(HDC hDC, INT XPos, INT YPos)
{
- PBITMAPOBJ bmp;
+ PDC dc = NULL;
+ COLORREF Result = (COLORREF)CLR_INVALID; // default to failure
+ BOOL bInRect = FALSE;
+ BITMAPOBJ *BitmapObject;
+ SURFOBJ *SurfaceObject;
+ HPALETTE Pal = 0;
+ XLATEOBJ *XlateObj;
- bmp = BITMAPOBJ_HandleToPtr (hBitmap);
- if (bmp == NULL)
- {
- return FALSE;
- }
+ dc = DC_LockDc (hDC);
+
+ if ( !dc )
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return Result;
+ }
+ if (dc->IsIC)
+ {
+ 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->w.hPalette != 0 )
+ Pal = dc->w.hPalette;
+ /* 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);
- *Dimension = bmp->size;
+ // 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) );
+ HBITMAP hBmpTmp = NtGdiCreateDIBitmap ( hDC, &bi.bmiHeader, 0, NULL, &bi, DIB_RGB_COLORS );
+ //HBITMAP hBmpTmp = NtGdiCreateBitmap ( 1, 1, 1, 32, NULL);
+ if ( hBmpTmp )
+ {
+ HBITMAP hBmpOld = (HBITMAP)NtGdiSelectObject ( hDCTmp, hBmpTmp );
+ if ( hBmpOld )
+ {
+ PBITMAPOBJ bmpobj;
+
+ NtGdiBitBlt ( hDCTmp, 0, 0, 1, 1, hDC, XPos, YPos, SRCCOPY, 0, 0 );
+ NtGdiSelectObject ( 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 );
+ }
+ NtGdiDeleteDC ( hDCTmp );
+ }
+ }
- return TRUE;
+ return Result;
}
-COLORREF STDCALL W32kGetPixel(HDC hDC,
- INT XPos,
- INT YPos)
+/***********************************************************************
+ * MaskBlt
+ * Ported from WINE by sedwards 11-4-03
+ *
+ * Someone thought it would be faster to do it here and then switch back
+ * to GDI32. I dunno. Write a test and let me know.
+ */
+
+static __inline BYTE
+SwapROP3_SrcDst(BYTE bRop3)
{
- UNIMPLEMENTED;
+ return (bRop3 & 0x99) | ((bRop3 & 0x22) << 1) | ((bRop3 & 0x44) >> 1);
}
-BOOL STDCALL W32kMaskBlt(HDC hDCDest,
- INT XDest,
- INT YDest,
- INT Width,
- INT Height,
- HDC hDCSrc,
- INT XSrc,
- INT YSrc,
- HBITMAP hMaskBitmap,
- INT xMask,
- INT yMask,
- DWORD ROP)
+#define FRGND_ROP3(ROP4) ((ROP4) & 0x00FFFFFF)
+#define BKGND_ROP3(ROP4) (ROP3Table[(SwapROP3_SrcDst((ROP4)>>24)) & 0xFF])
+#define DSTCOPY 0x00AA0029
+#define DSTERASE 0x00220326 /* dest = dest & (~src) : DSna */
+
+BOOL STDCALL
+NtGdiMaskBlt (
+ HDC hdcDest, INT nXDest, INT nYDest,
+ INT nWidth, INT nHeight, HDC hdcSrc,
+ INT nXSrc, INT nYSrc, HBITMAP hbmMask,
+ INT xMask, INT yMask, DWORD dwRop,
+ IN DWORD crBackColor)
{
- UNIMPLEMENTED;
+ HBITMAP hOldMaskBitmap, hBitmap2, hOldBitmap2, hBitmap3, hOldBitmap3;
+ HDC hDCMask, hDC1, hDC2;
+ static const DWORD ROP3Table[256] =
+ {
+ 0x00000042, 0x00010289,
+ 0x00020C89, 0x000300AA,
+ 0x00040C88, 0x000500A9,
+ 0x00060865, 0x000702C5,
+ 0x00080F08, 0x00090245,
+ 0x000A0329, 0x000B0B2A,
+ 0x000C0324, 0x000D0B25,
+ 0x000E08A5, 0x000F0001,
+ 0x00100C85, 0x001100A6,
+ 0x00120868, 0x001302C8,
+ 0x00140869, 0x001502C9,
+ 0x00165CCA, 0x00171D54,
+ 0x00180D59, 0x00191CC8,
+ 0x001A06C5, 0x001B0768,
+ 0x001C06CA, 0x001D0766,
+ 0x001E01A5, 0x001F0385,
+ 0x00200F09, 0x00210248,
+ 0x00220326, 0x00230B24,
+ 0x00240D55, 0x00251CC5,
+ 0x002606C8, 0x00271868,
+ 0x00280369, 0x002916CA,
+ 0x002A0CC9, 0x002B1D58,
+ 0x002C0784, 0x002D060A,
+ 0x002E064A, 0x002F0E2A,
+ 0x0030032A, 0x00310B28,
+ 0x00320688, 0x00330008,
+ 0x003406C4, 0x00351864,
+ 0x003601A8, 0x00370388,
+ 0x0038078A, 0x00390604,
+ 0x003A0644, 0x003B0E24,
+ 0x003C004A, 0x003D18A4,
+ 0x003E1B24, 0x003F00EA,
+ 0x00400F0A, 0x00410249,
+ 0x00420D5D, 0x00431CC4,
+ 0x00440328, 0x00450B29,
+ 0x004606C6, 0x0047076A,
+ 0x00480368, 0x004916C5,
+ 0x004A0789, 0x004B0605,
+ 0x004C0CC8, 0x004D1954,
+ 0x004E0645, 0x004F0E25,
+ 0x00500325, 0x00510B26,
+ 0x005206C9, 0x00530764,
+ 0x005408A9, 0x00550009,
+ 0x005601A9, 0x00570389,
+ 0x00580785, 0x00590609,
+ 0x005A0049, 0x005B18A9,
+ 0x005C0649, 0x005D0E29,
+ 0x005E1B29, 0x005F00E9,
+ 0x00600365, 0x006116C6,
+ 0x00620786, 0x00630608,
+ 0x00640788, 0x00650606,
+ 0x00660046, 0x006718A8,
+ 0x006858A6, 0x00690145,
+ 0x006A01E9, 0x006B178A,
+ 0x006C01E8, 0x006D1785,
+ 0x006E1E28, 0x006F0C65,
+ 0x00700CC5, 0x00711D5C,
+ 0x00720648, 0x00730E28,
+ 0x00740646, 0x00750E26,
+ 0x00761B28, 0x007700E6,
+ 0x007801E5, 0x00791786,
+ 0x007A1E29, 0x007B0C68,
+ 0x007C1E24, 0x007D0C69,
+ 0x007E0955, 0x007F03C9,
+ 0x008003E9, 0x00810975,
+ 0x00820C49, 0x00831E04,
+ 0x00840C48, 0x00851E05,
+ 0x008617A6, 0x008701C5,
+ 0x008800C6, 0x00891B08,
+ 0x008A0E06, 0x008B0666,
+ 0x008C0E08, 0x008D0668,
+ 0x008E1D7C, 0x008F0CE5,
+ 0x00900C45, 0x00911E08,
+ 0x009217A9, 0x009301C4,
+ 0x009417AA, 0x009501C9,
+ 0x00960169, 0x0097588A,
+ 0x00981888, 0x00990066,
+ 0x009A0709, 0x009B07A8,
+ 0x009C0704, 0x009D07A6,
+ 0x009E16E6, 0x009F0345,
+ 0x00A000C9, 0x00A11B05,
+ 0x00A20E09, 0x00A30669,
+ 0x00A41885, 0x00A50065,
+ 0x00A60706, 0x00A707A5,
+ 0x00A803A9, 0x00A90189,
+ 0x00AA0029, 0x00AB0889,
+ 0x00AC0744, 0x00AD06E9,
+ 0x00AE0B06, 0x00AF0229,
+ 0x00B00E05, 0x00B10665,
+ 0x00B21974, 0x00B30CE8,
+ 0x00B4070A, 0x00B507A9,
+ 0x00B616E9, 0x00B70348,
+ 0x00B8074A, 0x00B906E6,
+ 0x00BA0B09, 0x00BB0226,
+ 0x00BC1CE4, 0x00BD0D7D,
+ 0x00BE0269, 0x00BF08C9,
+ 0x00C000CA, 0x00C11B04,
+ 0x00C21884, 0x00C3006A,
+ 0x00C40E04, 0x00C50664,
+ 0x00C60708, 0x00C707AA,
+ 0x00C803A8, 0x00C90184,
+ 0x00CA0749, 0x00CB06E4,
+ 0x00CC0020, 0x00CD0888,
+ 0x00CE0B08, 0x00CF0224,
+ 0x00D00E0A, 0x00D1066A,
+ 0x00D20705, 0x00D307A4,
+ 0x00D41D78, 0x00D50CE9,
+ 0x00D616EA, 0x00D70349,
+ 0x00D80745, 0x00D906E8,
+ 0x00DA1CE9, 0x00DB0D75,
+ 0x00DC0B04, 0x00DD0228,
+ 0x00DE0268, 0x00DF08C8,
+ 0x00E003A5, 0x00E10185,
+ 0x00E20746, 0x00E306EA,
+ 0x00E40748, 0x00E506E5,
+ 0x00E61CE8, 0x00E70D79,
+ 0x00E81D74, 0x00E95CE6,
+ 0x00EA02E9, 0x00EB0849,
+ 0x00EC02E8, 0x00ED0848,
+ 0x00EE0086, 0x00EF0A08,
+ 0x00F00021, 0x00F10885,
+ 0x00F20B05, 0x00F3022A,
+ 0x00F40B0A, 0x00F50225,
+ 0x00F60265, 0x00F708C5,
+ 0x00F802E5, 0x00F90845,
+ 0x00FA0089, 0x00FB0A09,
+ 0x00FC008A, 0x00FD0A0A,
+ 0x00FE02A9, 0x00FF0062,
+ };
+
+ if (!hbmMask)
+ return NtGdiBitBlt(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, FRGND_ROP3(dwRop), 0, 0);
+
+ /* 1. make mask bitmap's dc */
+ hDCMask = NtGdiCreateCompatibleDC(hdcDest);
+ hOldMaskBitmap = (HBITMAP)NtGdiSelectObject(hDCMask, hbmMask);
+
+ /* 2. make masked Background bitmap */
+
+ /* 2.1 make bitmap */
+ hDC1 = NtGdiCreateCompatibleDC(hdcDest);
+ hBitmap2 = NtGdiCreateCompatibleBitmap(hdcDest, nWidth, nHeight);
+ hOldBitmap2 = (HBITMAP)NtGdiSelectObject(hDC1, hBitmap2);
+
+ /* 2.2 draw dest bitmap and mask */
+ NtGdiBitBlt(hDC1, 0, 0, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, SRCCOPY, 0, 0);
+ NtGdiBitBlt(hDC1, 0, 0, nWidth, nHeight, hdcDest, nXDest, nYDest, BKGND_ROP3(dwRop), 0, 0);
+ NtGdiBitBlt(hDC1, 0, 0, nWidth, nHeight, hDCMask, xMask, yMask, DSTERASE, 0, 0);
+
+ /* 3. make masked Foreground bitmap */
+
+ /* 3.1 make bitmap */
+ hDC2 = NtGdiCreateCompatibleDC(hdcDest);
+ hBitmap3 = NtGdiCreateCompatibleBitmap(hdcDest, nWidth, nHeight);
+ hOldBitmap3 = (HBITMAP)NtGdiSelectObject(hDC2, hBitmap3);
+
+ /* 3.2 draw src bitmap and mask */
+ NtGdiBitBlt(hDC2, 0, 0, nWidth, nHeight, hdcDest, nXDest, nYDest, SRCCOPY, 0, 0);
+ NtGdiBitBlt(hDC2, 0, 0, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, FRGND_ROP3(dwRop), 0,0);
+ NtGdiBitBlt(hDC2, 0, 0, nWidth, nHeight, hDCMask, xMask, yMask, SRCAND, 0, 0);
+
+ /* 4. combine two bitmap and copy it to hdcDest */
+ NtGdiBitBlt(hDC1, 0, 0, nWidth, nHeight, hDC2, 0, 0, SRCPAINT, 0, 0);
+ NtGdiBitBlt(hdcDest, nXDest, nYDest, nWidth, nHeight, hDC1, 0, 0, SRCCOPY, 0, 0);
+
+ /* 5. restore all object */
+ NtGdiSelectObject(hDCMask, hOldMaskBitmap);
+ NtGdiSelectObject(hDC1, hOldBitmap2);
+ NtGdiSelectObject(hDC2, hOldBitmap3);
+
+ /* 6. delete all temp object */
+ NtGdiDeleteObject(hBitmap2);
+ NtGdiDeleteObject(hBitmap3);
+
+ NtGdiDeleteDC(hDC1);
+ NtGdiDeleteDC(hDC2);
+ NtGdiDeleteDC(hDCMask);
+
+ return TRUE;
}
-BOOL STDCALL W32kPlgBlt(HDC hDCDest,
- CONST POINT *Point,
- HDC hDCSrc,
- INT XSrc,
- INT YSrc,
- INT Width,
- INT Height,
- HBITMAP hMaskBitmap,
- INT xMask,
- INT yMask)
+BOOL
+APIENTRY
+NtGdiPlgBlt(
+ IN HDC hdcTrg,
+ IN LPPOINT pptlTrg,
+ IN HDC hdcSrc,
+ IN INT xSrc,
+ IN INT ySrc,
+ IN INT cxSrc,
+ IN INT cySrc,
+ IN HBITMAP hbmMask,
+ IN INT xMask,
+ IN INT yMask,
+ IN DWORD crBackColor)
{
- UNIMPLEMENTED;
+ UNIMPLEMENTED;
+ return FALSE;
}
-LONG STDCALL W32kSetBitmapBits(HBITMAP hBitmap,
- DWORD Bytes,
- CONST VOID *Bits)
+LONG STDCALL
+NtGdiSetBitmapBits(
+ HBITMAP hBitmap,
+ DWORD Bytes,
+ IN PBYTE Bits)
{
- LONG height, ret;
- PBITMAPOBJ bmp;
+ LONG height, ret;
+ PBITMAPOBJ bmp;
- bmp = BITMAPOBJ_HandleToPtr (hBitmap);
- if (bmp == NULL || Bits == NULL)
- {
- return 0;
- }
+ bmp = BITMAPOBJ_LockBitmap(hBitmap);
+ if (bmp == NULL || Bits == NULL)
+ {
+ return 0;
+ }
- if (Bytes < 0)
- {
- DPRINT ("(%ld): Negative number of bytes passed???\n", Bytes );
- Bytes = -Bytes;
- }
+ if (Bytes < 0)
+ {
+ DPRINT ("(%ld): Negative number of bytes passed???\n", Bytes );
+ Bytes = -Bytes;
+ }
- /* Only get entire lines */
- height = Bytes / bmp->bitmap.bmWidthBytes;
- if (height > bmp->bitmap.bmHeight)
- {
- height = bmp->bitmap.bmHeight;
- }
- Bytes = height * bmp->bitmap.bmWidthBytes;
- DPRINT ("(%08x, bytes:%ld, bits:%p) %dx%d %d colors fetched height: %ld\n",
- hBitmap,
- Bytes,
- Bits,
- bmp->bitmap.bmWidth,
- bmp->bitmap.bmHeight,
- 1 << bmp->bitmap.bmBitsPixel,
- height);
+ /* Only get entire lines */
+ height = Bytes / abs(bmp->SurfObj.lDelta);
+ if (height > bmp->SurfObj.sizlBitmap.cy)
+ {
+ height = bmp->SurfObj.sizlBitmap.cy;
+ }
+ Bytes = height * abs(bmp->SurfObj.lDelta);
+ DPRINT ("(%08x, bytes:%ld, bits:%p) %dx%d %d colors fetched height: %ld\n",
+ hBitmap,
+ Bytes,
+ Bits,
+ bmp->SurfObj.sizlBitmap.cx,
+ bmp->SurfObj.sizlBitmap.cy,
+ 1 << BitsPerFormat(bmp->SurfObj.iBitmapFormat),
+ height);
#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(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
#endif
- {
- /* FIXME: Alloc enough for entire bitmap */
- if (bmp->bitmap.bmBits == NULL)
- {
- bmp->bitmap.bmBits = ExAllocatePool (PagedPool, Bytes);
- }
- if(!bmp->bitmap.bmBits)
- {
- DPRINT ("Unable to allocate bit buffer\n");
- ret = 0;
- }
- else
- {
- memcpy(bmp->bitmap.bmBits, Bits, Bytes);
- ret = Bytes;
- }
- }
+ {
+ memcpy(bmp->SurfObj.pvBits, Bits, Bytes);
+ ret = Bytes;
+ }
+
+ BITMAPOBJ_UnlockBitmap(bmp);
- return ret;
+ return ret;
}
-BOOL STDCALL W32kSetBitmapDimensionEx(HBITMAP hBitmap,
- INT Width,
- INT Height,
- LPSIZE Size)
+BOOL STDCALL
+NtGdiSetBitmapDimensionEx(
+ HBITMAP hBitmap,
+ INT Width,
+ INT Height,
+ LPSIZE Size)
{
- PBITMAPOBJ bmp;
+ PBITMAPOBJ bmp;
- bmp = BITMAPOBJ_HandleToPtr (hBitmap);
- if (bmp == NULL)
- {
- return FALSE;
- }
+ bmp = BITMAPOBJ_LockBitmap(hBitmap);
+ if (bmp == NULL)
+ {
+ return FALSE;
+ }
- if (Size)
- {
- *Size = bmp->size;
- }
- bmp->size.cx = Width;
- bmp->size.cy = Height;
+ if (Size)
+ {
+ *Size = bmp->dimension;
+ }
+ bmp->dimension.cx = Width;
+ bmp->dimension.cy = Height;
+
+ BITMAPOBJ_UnlockBitmap (bmp);
- return TRUE;
+ return TRUE;
+}
+
+COLORREF STDCALL
+NtGdiSetPixel(
+ HDC hDC,
+ INT X,
+ INT Y,
+ COLORREF Color)
+{
+ if (NtGdiSetPixelV(hDC,X,Y,Color))
+ {
+ return NtGdiGetPixel(hDC,X,Y);
+ }
+ return ((COLORREF) -1);
}
-COLORREF STDCALL W32kSetPixel(HDC hDC,
- INT X,
- INT Y,
- COLORREF Color)
+BOOL STDCALL
+NtGdiSetPixelV(
+ HDC hDC,
+ INT X,
+ INT Y,
+ COLORREF Color)
{
- UNIMPLEMENTED;
+ HBRUSH NewBrush = NtGdiCreateSolidBrush(Color, NULL);
+ HGDIOBJ OldBrush;
+
+ if (NewBrush == NULL)
+ return(FALSE);
+ OldBrush = NtGdiSelectObject(hDC, NewBrush);
+ if (OldBrush == NULL)
+ {
+ NtGdiDeleteObject(NewBrush);
+ return(FALSE);
+ }
+ NtGdiPatBlt(hDC, X, Y, 1, 1, PATCOPY);
+ NtGdiSelectObject(hDC, OldBrush);
+ NtGdiDeleteObject(NewBrush);
+ return TRUE;
}
-BOOL STDCALL W32kSetPixelV(HDC hDC,
- INT X,
- INT Y,
- COLORREF Color)
+BOOL STDCALL
+NtGdiStretchBlt(
+ HDC hDCDest,
+ INT XOriginDest,
+ INT YOriginDest,
+ INT WidthDest,
+ INT HeightDest,
+ HDC hDCSrc,
+ INT XOriginSrc,
+ INT YOriginSrc,
+ INT WidthSrc,
+ INT HeightSrc,
+ DWORD ROP,
+ IN DWORD dwBackColor)
{
- UNIMPLEMENTED;
+ PDC DCDest = NULL;
+ PDC DCSrc = NULL;
+ BITMAPOBJ *BitmapDest, *BitmapSrc;
+ RECTL DestRect;
+ RECTL SourceRect;
+ BOOL Status;
+ XLATEOBJ *XlateObj = NULL;
+ HPALETTE SourcePalette = 0, DestPalette = 0;
+ PGDIBRUSHOBJ BrushObj;
+ BOOL UsesSource = ((ROP & 0xCC0000) >> 2) != (ROP & 0x330000);
+ BOOL UsesPattern = ((ROP & 0xF00000) >> 4) != (ROP & 0x0F0000);
+
+ if (0 == WidthDest || 0 == HeightDest || 0 == WidthSrc || 0 == HeightSrc)
+ {
+ SetLastWin32Error(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+ DCDest = DC_LockDc(hDCDest);
+ if (NULL == DCDest)
+ {
+ DPRINT1("Invalid destination dc handle (0x%08x) passed to NtGdiStretchBlt\n", hDCDest);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+ if (DCDest->IsIC)
+ {
+ DC_UnlockDc(DCDest);
+ /* Yes, Windows really returns TRUE in this case */
+ return TRUE;
+ }
+
+ if (UsesSource)
+ {
+ if (hDCSrc != hDCDest)
+ {
+ DCSrc = DC_LockDc(hDCSrc);
+ if (NULL == DCSrc)
+ {
+ DC_UnlockDc(DCDest);
+ DPRINT1("Invalid source dc handle (0x%08x) passed to NtGdiStretchBlt\n", hDCSrc);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+ if (DCSrc->IsIC)
+ {
+ DC_UnlockDc(DCSrc);
+ DC_UnlockDc(DCDest);
+ /* Yes, Windows really returns TRUE in this case */
+ return TRUE;
+ }
+ }
+ else
+ {
+ DCSrc = DCDest;
+ }
+ }
+ else
+ {
+ DCSrc = NULL;
+ }
+
+ /* Offset the destination and source by the origin of their DCs. */
+ XOriginDest += DCDest->w.DCOrgX;
+ YOriginDest += DCDest->w.DCOrgY;
+ if (UsesSource)
+ {
+ XOriginSrc += DCSrc->w.DCOrgX;
+ YOriginSrc += DCSrc->w.DCOrgY;
+ }
+
+ DestRect.left = XOriginDest;
+ DestRect.top = YOriginDest;
+ DestRect.right = XOriginDest+WidthDest;
+ DestRect.bottom = YOriginDest+HeightDest;
+
+ SourceRect.left = XOriginSrc;
+ SourceRect.top = YOriginSrc;
+ SourceRect.right = XOriginSrc+WidthSrc;
+ SourceRect.bottom = YOriginSrc+HeightSrc;
+
+ /* Determine surfaces to be used in the bitblt */
+ BitmapDest = BITMAPOBJ_LockBitmap(DCDest->w.hBitmap);
+ if (UsesSource)
+ {
+ if (DCSrc->w.hBitmap == DCDest->w.hBitmap)
+ BitmapSrc = BitmapDest;
+ else
+ BitmapSrc = BITMAPOBJ_LockBitmap(DCSrc->w.hBitmap);
+ }
+ else
+ {
+ BitmapSrc = NULL;
+ }
+
+ if ( UsesSource )
+ {
+ int sw = BitmapSrc->SurfObj.sizlBitmap.cx;
+ int sh = BitmapSrc->SurfObj.sizlBitmap.cy;
+ if ( SourceRect.left < 0 )
+ {
+ DestRect.left = DestRect.right - (DestRect.right-DestRect.left) * (SourceRect.right)/abs(SourceRect.right-SourceRect.left);
+ SourceRect.left = 0;
+ }
+ if ( SourceRect.top < 0 )
+ {
+ DestRect.top = DestRect.bottom - (DestRect.bottom-DestRect.top) * (SourceRect.bottom)/abs(SourceRect.bottom-SourceRect.top);
+ SourceRect.top = 0;
+ }
+ if ( SourceRect.right < -1 )
+ {
+ DestRect.right = DestRect.left + (DestRect.right-DestRect.left) * (-1-SourceRect.left)/abs(SourceRect.right-SourceRect.left);
+ SourceRect.right = -1;
+ }
+ if ( SourceRect.bottom < -1 )
+ {
+ DestRect.bottom = DestRect.top + (DestRect.bottom-DestRect.top) * (-1-SourceRect.top)/abs(SourceRect.bottom-SourceRect.top);
+ SourceRect.bottom = -1;
+ }
+ if ( SourceRect.right > sw )
+ {
+ DestRect.right = DestRect.left + (DestRect.right-DestRect.left) * abs(sw-SourceRect.left) / abs(SourceRect.right-SourceRect.left);
+ SourceRect.right = sw;
+ }
+ if ( SourceRect.bottom > sh )
+ {
+ DestRect.bottom = DestRect.top + (DestRect.bottom-DestRect.top) * abs(sh-SourceRect.top) / abs(SourceRect.bottom-SourceRect.top);
+ SourceRect.bottom = sh;
+ }
+ sw--;
+ sh--;
+ if ( SourceRect.left > sw )
+ {
+ DestRect.left = DestRect.right - (DestRect.right-DestRect.left) * (SourceRect.right-sw) / abs(SourceRect.right-SourceRect.left);
+ SourceRect.left = 0;
+ }
+ if ( SourceRect.top > sh )
+ {
+ DestRect.top = DestRect.bottom - (DestRect.bottom-DestRect.top) * (SourceRect.bottom-sh) / abs(SourceRect.bottom-SourceRect.top);
+ SourceRect.top = 0;
+ }
+ if (0 == (DestRect.right-DestRect.left) || 0 == (DestRect.bottom-DestRect.top) || 0 == (SourceRect.right-SourceRect.left) || 0 == (SourceRect.bottom-SourceRect.top))
+ {
+ SetLastWin32Error(ERROR_INVALID_PARAMETER);
+ Status = FALSE;
+ goto failed;
+ }
+ }
+
+ if (UsesPattern)
+ {
+ BrushObj = BRUSHOBJ_LockBrush(DCDest->w.hBrush);
+ if (NULL == BrushObj)
+ {
+ if (UsesSource && hDCSrc != hDCDest)
+ {
+ DC_UnlockDc(DCSrc);
+ }
+ DC_UnlockDc(DCDest);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+ }
+ else
+ {
+ BrushObj = NULL;
+ }
+
+ /* Create the XLATEOBJ. */
+ if (UsesSource)
+ {
+ if (DCDest->w.hPalette != 0)
+ DestPalette = DCDest->w.hPalette;
+
+ if (DCSrc->w.hPalette != 0)
+ SourcePalette = DCSrc->w.hPalette;
+
+ /* FIXME: Use the same logic for create XLATEOBJ as in NtGdiBitBlt. */
+ XlateObj = (XLATEOBJ*)IntEngCreateXlate(0, 0, DestPalette, SourcePalette);
+ if (NULL == XlateObj)
+ {
+ if (UsesSource && hDCSrc != hDCDest)
+ {
+ DC_UnlockDc(DCSrc);
+ }
+ DC_UnlockDc(DCDest);
+ SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
+ return FALSE;
+ }
+ }
+
+ /* Perform the bitblt operation */
+ Status = IntEngStretchBlt(&BitmapDest->SurfObj, &BitmapSrc->SurfObj,
+ NULL, DCDest->CombinedClip, XlateObj,
+ &DestRect, &SourceRect, NULL, NULL, NULL,
+ COLORONCOLOR);
+
+ if (UsesSource)
+ EngDeleteXlate(XlateObj);
+ if (UsesPattern)
+ {
+ BRUSHOBJ_UnlockBrush(BrushObj);
+ }
+failed:
+ if (UsesSource && DCSrc->w.hBitmap != DCDest->w.hBitmap)
+ {
+ BITMAPOBJ_UnlockBitmap(BitmapSrc);
+ }
+ BITMAPOBJ_UnlockBitmap(BitmapDest);
+ if (UsesSource && hDCSrc != hDCDest)
+ {
+ DC_UnlockDc(DCSrc);
+ }
+ DC_UnlockDc(DCDest);
+
+ return Status;
}
-BOOL STDCALL W32kStretchBlt(HDC hDCDest,
- INT XOriginDest,
- INT YOriginDest,
- INT WidthDest,
- INT HeightDest,
- HDC hDCSrc,
- INT XOriginSrc,
- INT YOriginSrc,
- INT WidthSrc,
- INT HeightSrc,
- DWORD ROP)
+BOOL STDCALL
+NtGdiAlphaBlend(
+ HDC hDCDest,
+ LONG XOriginDest,
+ LONG YOriginDest,
+ LONG WidthDest,
+ LONG HeightDest,
+ HDC hDCSrc,
+ LONG XOriginSrc,
+ LONG YOriginSrc,
+ LONG WidthSrc,
+ LONG HeightSrc,
+ BLENDFUNCTION BlendFunc,
+ IN HANDLE hcmXform)
{
- UNIMPLEMENTED;
+ PDC DCDest = NULL;
+ PDC DCSrc = NULL;
+ BITMAPOBJ *BitmapDest, *BitmapSrc;
+ RECTL DestRect, SourceRect;
+ BOOL Status;
+ XLATEOBJ *XlateObj;
+ BLENDOBJ BlendObj = {BlendFunc};
+ HPALETTE SourcePalette = 0, DestPalette = 0;
+
+ DCDest = DC_LockDc(hDCDest);
+ if (NULL == DCDest)
+ {
+ DPRINT1("Invalid destination dc handle (0x%08x) passed to NtGdiAlphaBlend\n", hDCDest);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+ if (DCDest->IsIC)
+ {
+ DC_UnlockDc(DCDest);
+ /* Yes, Windows really returns TRUE in this case */
+ return TRUE;
+ }
+
+ if (hDCSrc != hDCDest)
+ {
+ DCSrc = DC_LockDc(hDCSrc);
+ if (NULL == DCSrc)
+ {
+ DC_UnlockDc(DCDest);
+ DPRINT1("Invalid source dc handle (0x%08x) passed to NtGdiAlphaBlend\n", hDCSrc);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+ if (DCSrc->IsIC)
+ {
+ DC_UnlockDc(DCSrc);
+ DC_UnlockDc(DCDest);
+ /* Yes, Windows really returns TRUE in this case */
+ return TRUE;
+ }
+ }
+ else
+ {
+ DCSrc = DCDest;
+ }
+
+ /* Offset the destination and source by the origin of their DCs. */
+ XOriginDest += DCDest->w.DCOrgX;
+ YOriginDest += DCDest->w.DCOrgY;
+ XOriginSrc += DCSrc->w.DCOrgX;
+ YOriginSrc += DCSrc->w.DCOrgY;
+
+ DestRect.left = XOriginDest;
+ DestRect.top = YOriginDest;
+ DestRect.right = XOriginDest + WidthDest;
+ DestRect.bottom = YOriginDest + HeightDest;
+
+ SourceRect.left = XOriginSrc;
+ SourceRect.top = YOriginSrc;
+ SourceRect.right = XOriginSrc + WidthSrc;
+ SourceRect.bottom = YOriginSrc + HeightSrc;
+
+ /* Determine surfaces to be used in the bitblt */
+ BitmapDest = BITMAPOBJ_LockBitmap(DCDest->w.hBitmap);
+ if (DCSrc->w.hBitmap == DCDest->w.hBitmap)
+ BitmapSrc = BitmapDest;
+ else
+ BitmapSrc = BITMAPOBJ_LockBitmap(DCSrc->w.hBitmap);
+
+ /* Create the XLATEOBJ. */
+ if (DCDest->w.hPalette != 0)
+ DestPalette = DCDest->w.hPalette;
+ if (DCSrc->w.hPalette != 0)
+ SourcePalette = DCSrc->w.hPalette;
+
+ /* KB41464 details how to convert between mono and color */
+ if (DCDest->w.bitsPerPixel == 1 && DCSrc->w.bitsPerPixel == 1)
+ {
+ XlateObj = NULL;
+ }
+ else
+ {
+ if (DCDest->w.bitsPerPixel == 1)
+ {
+ XlateObj = IntEngCreateMonoXlate(0, DestPalette, SourcePalette, DCSrc->w.backgroundColor);
+ }
+ else if (DCSrc->w.bitsPerPixel == 1)
+ {
+ XlateObj = IntEngCreateSrcMonoXlate(DestPalette, DCSrc->w.backgroundColor, DCSrc->w.textColor);
+ }
+ else
+ {
+ XlateObj = IntEngCreateXlate(0, 0, DestPalette, SourcePalette);
+ }
+ if (NULL == XlateObj)
+ {
+ BITMAPOBJ_UnlockBitmap(BitmapDest);
+ if (BitmapSrc != BitmapDest)
+ BITMAPOBJ_UnlockBitmap(BitmapSrc);
+ DC_UnlockDc(DCDest);
+ if (hDCSrc != hDCDest)
+ DC_UnlockDc(DCSrc);
+ SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
+ return FALSE;
+ }
+ }
+
+ /* Perform the alpha blend operation */
+ Status = IntEngAlphaBlend(&BitmapDest->SurfObj, &BitmapSrc->SurfObj,
+ DCDest->CombinedClip, XlateObj,
+ &DestRect, &SourceRect, &BlendObj);
+
+ if (XlateObj != NULL)
+ EngDeleteXlate(XlateObj);
+
+ BITMAPOBJ_UnlockBitmap(BitmapDest);
+ if (BitmapSrc != BitmapDest)
+ BITMAPOBJ_UnlockBitmap(BitmapSrc);
+ DC_UnlockDc(DCDest);
+ if (hDCSrc != hDCDest)
+ DC_UnlockDc(DCSrc);
+
+ return Status;
}
/* Internal Functions */
BITMAPOBJ_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 + 31) & ~31) >> 3;
+ return ((bmWidth * bpp + 15) & ~15) >> 3;
}
-HBITMAP FASTCALL BITMAPOBJ_CopyBitmap(HBITMAP hBitmap)
+HBITMAP FASTCALL
+BITMAPOBJ_CopyBitmap(HBITMAP hBitmap)
{
- PBITMAPOBJ bmp;
- HBITMAP res;
- BITMAP bm;
+ HBITMAP res;
+ BITMAP bm;
+ BITMAPOBJ *Bitmap;
- bmp = BITMAPOBJ_HandleToPtr (hBitmap);
- if (bmp == NULL)
- {
- return 0;
- }
- res = 0;
+ if (hBitmap == NULL)
+ return 0;
- bm = bmp->bitmap;
- bm.bmBits = NULL;
- res = W32kCreateBitmapIndirect(&bm);
- if(res)
- {
- char *buf;
+ Bitmap = GDIOBJ_LockObj(hBitmap, GDI_OBJECT_TYPE_BITMAP);
+ if (Bitmap == NULL)
+ return 0;
- buf = ExAllocatePool (NonPagedPool, bm.bmWidthBytes * bm.bmHeight);
- W32kGetBitmapBits (hBitmap, bm.bmWidthBytes * bm.bmHeight, buf);
- W32kSetBitmapBits (res, bm.bmWidthBytes * bm.bmHeight, buf);
- ExFreePool (buf);
- }
+ BITMAP_GetObject(Bitmap, sizeof(BITMAP), &bm);
+ bm.bmBits = NULL;
+ if (Bitmap->SurfObj.lDelta >= 0)
+ bm.bmHeight = -bm.bmHeight;
+
+ res = IntCreateBitmapIndirect(&bm);
+ if(res)
+ {
+ PBYTE buf;
- return res;
+ buf = ExAllocatePoolWithTag (PagedPool, bm.bmWidthBytes * abs(bm.bmHeight), TAG_BITMAP);
+ NtGdiGetBitmapBits (hBitmap, bm.bmWidthBytes * abs(bm.bmHeight), buf);
+ NtGdiSetBitmapBits (res, bm.bmWidthBytes * abs(bm.bmHeight), buf);
+ ExFreePool (buf);
+ }
+
+ GDIOBJ_UnlockObjByPtr(Bitmap);
+
+ return res;
}
-INT STDCALL BITMAP_GetObject(BITMAPOBJ * bmp, INT count, LPVOID buffer)
+INT STDCALL
+BITMAP_GetObject(BITMAPOBJ * bmp, INT count, LPVOID buffer)
{
- if(bmp->dib)
- {
- if(count < (INT) sizeof(DIBSECTION))
- {
- if (count > (INT) sizeof(BITMAP)) count = sizeof(BITMAP);
- }
- else
- {
- if (count > (INT) sizeof(DIBSECTION)) count = sizeof(DIBSECTION);
- }
- memcpy(buffer, bmp->dib, count);
- return count;
- }
- else
- {
- if (count > (INT) sizeof(BITMAP)) count = sizeof(BITMAP);
- memcpy(buffer, &bmp->bitmap, count);
- return count;
- }
+ if(bmp->dib)
+ {
+ if(count < (INT) sizeof(DIBSECTION))
+ {
+ if (count > (INT) sizeof(BITMAP)) count = sizeof(BITMAP);
+ }
+ else
+ {
+ if (count > (INT) sizeof(DIBSECTION)) count = sizeof(DIBSECTION);
+ }
+ memcpy(buffer, bmp->dib, count);
+ return count;
+ }
+ else
+ {
+ BITMAP Bitmap;
+ if (count > (INT) sizeof(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;
+ memcpy(buffer, &Bitmap, count);
+ return count;
+ }
}
/* EOF */
projects / reactos.git / blobdiff