{ 0xff, 0xff, 0xff, 0x00 }
};
-static const RGBTRIPLE EGAColorsTriples[16] =
-{
- /* rgbBlue, rgbGreen, rgbRed */
- { 0x00, 0x00, 0x00 },
- { 0x00, 0x00, 0x80 },
- { 0x00, 0x80, 0x00 },
- { 0x00, 0x80, 0x80 },
- { 0x80, 0x00, 0x00 },
- { 0x80, 0x00, 0x80 },
- { 0x80, 0x80, 0x00 },
- { 0x80, 0x80, 0x80 },
- { 0xc0, 0xc0, 0xc0 },
- { 0x00, 0x00, 0xff },
- { 0x00, 0xff, 0x00 },
- { 0x00, 0xff, 0xff },
- { 0xff, 0x00, 0x00 },
- { 0xff, 0x00, 0xff },
- { 0xff, 0xff, 0x00 },
- { 0xff, 0xff, 0xff }
-};
-
static const RGBQUAD DefLogPaletteQuads[20] = /* Copy of Default Logical Palette */
{
/* rgbBlue, rgbGreen, rgbRed, rgbReserved */
{ 0xff, 0xff, 0xff, 0x00 }
};
-static const RGBQUAD DefLogPaletteTriples[20] = /* Copy of Default Logical Palette */
-{
- /* rgbBlue, rgbGreen, rgbRed, rgbReserved */
- { 0x00, 0x00, 0x00 },
- { 0x00, 0x00, 0x80 },
- { 0x00, 0x80, 0x00 },
- { 0x00, 0x80, 0x80 },
- { 0x80, 0x00, 0x00 },
- { 0x80, 0x00, 0x80 },
- { 0x80, 0x80, 0x00 },
- { 0xc0, 0xc0, 0xc0 },
- { 0xc0, 0xdc, 0xc0 },
- { 0xf0, 0xca, 0xa6 },
- { 0xf0, 0xfb, 0xff },
- { 0xa4, 0xa0, 0xa0 },
- { 0x80, 0x80, 0x80 },
- { 0x00, 0x00, 0xf0 },
- { 0x00, 0xff, 0x00 },
- { 0x00, 0xff, 0xff },
- { 0xff, 0x00, 0x00 },
- { 0xff, 0x00, 0xff },
- { 0xff, 0xff, 0x00 },
- { 0xff, 0xff, 0xff }
-};
-
PPALETTE
NTAPI
CreateDIBPalette(
return result;
}
+static
+HBITMAP
+IntGdiCreateMaskFromRLE(
+ DWORD Width,
+ DWORD Height,
+ ULONG Compression,
+ const BYTE* Bits,
+ DWORD BitsSize)
+{
+ HBITMAP Mask;
+ DWORD x, y;
+ SURFOBJ* SurfObj;
+ UINT i = 0;
+ BYTE Data, NumPixels, ToSkip;
+
+ ASSERT((Compression == BI_RLE8) || (Compression == BI_RLE4));
+
+ /* Create the bitmap */
+ Mask = GreCreateBitmapEx(Width, Height, 0, BMF_1BPP, 0, 0, NULL, 0);
+ if (!Mask)
+ return NULL;
+
+ SurfObj = EngLockSurface((HSURF)Mask);
+ if (!SurfObj)
+ {
+ GreDeleteObject(Mask);
+ return NULL;
+ }
+ ASSERT(SurfObj->pvBits != NULL);
+
+ x = y = 0;
+
+ while (i < BitsSize)
+ {
+ NumPixels = Bits[i];
+ Data = Bits[i + 1];
+ i += 2;
+
+ if (NumPixels != 0)
+ {
+ if ((x + NumPixels) > Width)
+ NumPixels = Width - x;
+
+ if (NumPixels == 0)
+ continue;
+
+ DIB_1BPP_HLine(SurfObj, x, x + NumPixels, y, 1);
+ x += NumPixels;
+ continue;
+ }
+
+ if (Data < 3)
+ {
+ switch (Data)
+ {
+ case 0:
+ /* End of line */
+ y++;
+ if (y == Height)
+ goto done;
+ x = 0;
+ break;
+ case 1:
+ /* End of file */
+ goto done;
+ case 2:
+ /* Jump */
+ if (i >= (BitsSize - 1))
+ goto done;
+ x += Bits[i];
+ if (x > Width)
+ x = Width;
+ y += Bits[i + 1];
+ if (y >= Height)
+ goto done;
+ i += 2;
+ break;
+ }
+ /* Done for this run */
+ continue;
+ }
+
+ /* Embedded data into the RLE */
+ NumPixels = Data;
+ if (Compression == BI_RLE8)
+ ToSkip = NumPixels;
+ else
+ ToSkip = (NumPixels / 2) + (NumPixels & 1);
+
+ if ((i + ToSkip) > BitsSize)
+ goto done;
+ ToSkip = (ToSkip + 1) & ~1;
+
+ if ((x + NumPixels) > Width)
+ NumPixels = Width - x;
+
+ if (NumPixels != 0)
+ {
+ DIB_1BPP_HLine(SurfObj, x, x + NumPixels, y, 1);
+ x += NumPixels;
+ }
+ i += ToSkip;
+ }
+
+done:
+ EngUnlockSurface(SurfObj);
+ return Mask;
+}
+
W32KAPI
INT
APIENTRY
INT ret = 0;
NTSTATUS Status = STATUS_SUCCESS;
PDC pDC;
- HBITMAP hSourceBitmap = NULL;
- SURFOBJ *pDestSurf, *pSourceSurf = NULL;
+ HBITMAP hSourceBitmap = NULL, hMaskBitmap = NULL;
+ SURFOBJ *pDestSurf, *pSourceSurf = NULL, *pMaskSurf = NULL;
SURFACE *pSurf;
RECTL rcDest;
POINTL ptSource;
SourceSize.cx = bmi->bmiHeader.biWidth;
SourceSize.cy = ScanLines;
-
+
//DIBWidth = WIDTH_BYTES_ALIGN32(SourceSize.cx, bmi->bmiHeader.biBitCount);
hSourceBitmap = GreCreateBitmapEx(bmi->bmiHeader.biWidth,
goto Exit;
}
+ /* HACK: If this is a RLE bitmap, only the relevant pixels must be set. */
+ if ((bmi->bmiHeader.biCompression == BI_RLE8) || (bmi->bmiHeader.biCompression == BI_RLE4))
+ {
+ hMaskBitmap = IntGdiCreateMaskFromRLE(bmi->bmiHeader.biWidth,
+ ScanLines,
+ bmi->bmiHeader.biCompression,
+ Bits,
+ cjMaxBits);
+ if (!hMaskBitmap)
+ {
+ EngSetLastError(ERROR_NO_SYSTEM_RESOURCES);
+ Status = STATUS_NO_MEMORY;
+ goto Exit;
+ }
+ pMaskSurf = EngLockSurface((HSURF)hMaskBitmap);
+ if (!pMaskSurf)
+ {
+ Status = STATUS_UNSUCCESSFUL;
+ goto Exit;
+ }
+ }
+
/* Create a palette for the DIB */
ppalDIB = CreateDIBPalette(bmi, pDC, ColorUse);
if (!ppalDIB)
Status = STATUS_NO_MEMORY;
goto Exit;
}
-
+
/* This is actually a blit */
- DC_vPrepareDCsForBlit(pDC, rcDest, NULL, rcDest);
+ DC_vPrepareDCsForBlit(pDC, &rcDest, NULL, NULL);
pSurf = pDC->dclevel.pSurface;
if (!pSurf)
{
ret = ScanLines;
goto Exit;
}
-
+
ASSERT(pSurf->ppal);
/* Initialize EXLATEOBJ */
RGB(0xff, 0xff, 0xff),
pDC->pdcattr->crBackgroundClr,
pDC->pdcattr->crForegroundClr);
-
+
pDestSurf = &pSurf->SurfObj;
/* Copy the bits */
ptSource.x, ptSource.y, SourceSize.cx, SourceSize.cy);
Status = IntEngBitBlt(pDestSurf,
pSourceSurf,
- NULL,
- pDC->rosdc.CombinedClip,
+ pMaskSurf,
+ &pDC->co.ClipObj,
&exlo.xlo,
&rcDest,
&ptSource,
+ pMaskSurf ? &ptSource : NULL,
NULL,
NULL,
- NULL,
- ROP4_FROM_INDEX(R3_OPINDEX_SRCCOPY));
+ pMaskSurf ? ROP4_MASK : ROP4_FROM_INDEX(R3_OPINDEX_SRCCOPY));
/* Cleanup EXLATEOBJ */
EXLATEOBJ_vCleanup(&exlo);
-
+
/* We're done */
DC_vFinishBlit(pDC, NULL);
if (pSourceSurf) EngUnlockSurface(pSourceSurf);
if (hSourceBitmap) EngDeleteSurface((HSURF)hSourceBitmap);
+ if (pMaskSurf) EngUnlockSurface(pMaskSurf);
+ if (hMaskBitmap) EngDeleteSurface((HSURF)hMaskBitmap);
DC_UnlockDc(pDC);
Exit2:
- ExFreePool(pbmiSafe);
+ ExFreePoolWithTag(pbmiSafe, 'pmTG');
return ret;
}
/* Converts a device-dependent bitmap to a DIB */
INT
APIENTRY
-NtGdiGetDIBitsInternal(
+GreGetDIBitsInternal(
HDC hDC,
HBITMAP hBitmap,
UINT StartScan,
DWORD compr, size ;
USHORT i;
int bitmap_type;
- RGBTRIPLE* rgbTriples;
RGBQUAD* rgbQuads;
VOID* colorPtr;
- NTSTATUS Status = STATUS_SUCCESS;
DPRINT("Entered NtGdiGetDIBitsInternal()\n");
if ((Usage && Usage != DIB_PAL_COLORS) || !Info || !hBitmap)
return 0;
- _SEH2_TRY
- {
- /* Probe for read and write */
- ProbeForRead(Info, MaxInfo, 1);
- ProbeForWrite(Info, MaxInfo, 1);
- if (Bits) ProbeForWrite(Bits, MaxBits, 1);
- }
- _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
- {
- Status = _SEH2_GetExceptionCode();
- }
- _SEH2_END
-
- if (!NT_SUCCESS(Status))
- {
- return 0;
- }
-
colorPtr = (LPBYTE)Info + Info->bmiHeader.biSize;
- rgbTriples = colorPtr;
rgbQuads = colorPtr;
bitmap_type = DIB_GetBitmapInfo(&Info->bmiHeader,
switch(bpp)
{
case 0: /* Only info */
- if(pbmci)
- {
- pbmci->bmciHeader.bcWidth = (WORD)psurf->SurfObj.sizlBitmap.cx;
- pbmci->bmciHeader.bcHeight = (WORD)((psurf->SurfObj.fjBitmap & BMF_TOPDOWN) ?
- -psurf->SurfObj.sizlBitmap.cy :
- psurf->SurfObj.sizlBitmap.cy);
- pbmci->bmciHeader.bcPlanes = 1;
- pbmci->bmciHeader.bcBitCount = BitsPerFormat(psurf->SurfObj.iBitmapFormat);
- }
Info->bmiHeader.biWidth = psurf->SurfObj.sizlBitmap.cx;
Info->bmiHeader.biHeight = (psurf->SurfObj.fjBitmap & BMF_TOPDOWN) ?
-psurf->SurfObj.sizlBitmap.cy :
if(Usage == DIB_RGB_COLORS)
{
ULONG colors = min(psurf->ppal->NumColors, 256);
-
- if(pbmci)
- {
- for(i = 0; i < colors; i++)
- {
- rgbTriples[i].rgbtRed = psurf->ppal->IndexedColors[i].peRed;
- rgbTriples[i].rgbtGreen = psurf->ppal->IndexedColors[i].peGreen;
- rgbTriples[i].rgbtBlue = psurf->ppal->IndexedColors[i].peBlue;
- }
- }
if(colors != 256) Info->bmiHeader.biClrUsed = colors;
for(i = 0; i < colors; i++)
{
rgbQuads[i].rgbRed = psurf->ppal->IndexedColors[i].peRed;
rgbQuads[i].rgbGreen = psurf->ppal->IndexedColors[i].peGreen;
rgbQuads[i].rgbBlue = psurf->ppal->IndexedColors[i].peBlue;
+ rgbQuads[i].rgbReserved = 0;
}
}
else
{
for(i = 0; i < 256; i++)
- {
- if(pbmci) ((WORD*)rgbTriples)[i] = i;
((WORD*)rgbQuads)[i] = i;
- }
}
}
else
{
for(i = 0; i < 256; i++)
{
- if(pbmci) ((WORD*)rgbTriples)[i] = i;
((WORD*)rgbQuads)[i] = i;
}
}
}
for (i = 0; i < pDcPal->NumColors; i++)
{
- if (pbmci)
- {
- rgbTriples[i].rgbtRed = pDcPal->IndexedColors[i].peRed;
- rgbTriples[i].rgbtGreen = pDcPal->IndexedColors[i].peGreen;
- rgbTriples[i].rgbtBlue = pDcPal->IndexedColors[i].peBlue;
- }
-
rgbQuads[i].rgbRed = pDcPal->IndexedColors[i].peRed;
rgbQuads[i].rgbGreen = pDcPal->IndexedColors[i].peGreen;
rgbQuads[i].rgbBlue = pDcPal->IndexedColors[i].peBlue;
switch (bpp)
{
case 1:
- if (pbmci)
- {
- rgbTriples[0].rgbtRed = rgbTriples[0].rgbtGreen =
- rgbTriples[0].rgbtBlue = 0;
- rgbTriples[1].rgbtRed = rgbTriples[1].rgbtGreen =
- rgbTriples[1].rgbtBlue = 0xff;
- }
- rgbQuads[0].rgbRed = rgbQuads[0].rgbGreen =
- rgbQuads[0].rgbBlue = 0;
+ 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].rgbRed = rgbQuads[1].rgbGreen = rgbQuads[1].rgbBlue = 0xff;
rgbQuads[1].rgbReserved = 0;
break;
case 4:
- if (pbmci)
- RtlCopyMemory(rgbTriples, EGAColorsTriples, sizeof(EGAColorsTriples));
RtlCopyMemory(rgbQuads, EGAColorsQuads, sizeof(EGAColorsQuads));
-
break;
case 8:
{
INT r, g, b;
RGBQUAD *color;
- if (pbmci)
- {
- RGBTRIPLE *colorTriple;
-
- RtlCopyMemory(rgbTriples, DefLogPaletteTriples,
- 10 * sizeof(RGBTRIPLE));
- RtlCopyMemory(rgbTriples + 246, DefLogPaletteTriples + 10,
- 10 * sizeof(RGBTRIPLE));
- colorTriple = rgbTriples + 10;
- for(r = 0; r <= 5; r++) /* FIXME */
- {
- for(g = 0; g <= 5; g++)
- {
- for(b = 0; b <= 5; b++)
- {
- colorTriple->rgbtRed = (r * 0xff) / 5;
- colorTriple->rgbtGreen = (g * 0xff) / 5;
- colorTriple->rgbtBlue = (b * 0xff) / 5;
- color++;
- }
- }
- }
- }
memcpy(rgbQuads, DefLogPaletteQuads,
10 * sizeof(RGBQUAD));
memcpy(rgbQuads + 246, DefLogPaletteQuads + 10,
psurfDest = SURFACE_ShareLockSurface(hBmpDest);
- rcDest.left = 0;
- rcDest.top = 0;
- rcDest.bottom = ScanLines;
- rcDest.right = psurf->SurfObj.sizlBitmap.cx;
+ RECTL_vSetRect(&rcDest, 0, 0, psurf->SurfObj.sizlBitmap.cx, ScanLines);
srcPoint.x = 0;
ScanLines = 0;
else
{
- Status = STATUS_SUCCESS;
- _SEH2_TRY
- {
- RtlCopyMemory(Bits, pDIBits, DIB_GetDIBImageBytes (width, ScanLines, bpp));
- }
- _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
- {
- Status = _SEH2_GetExceptionCode();
- }
- _SEH2_END
-
- if(!NT_SUCCESS(Status))
- {
- DPRINT1("Unable to copy bits to the user provided pointer\n");
- ScanLines = 0;
- }
+ RtlCopyMemory(Bits, pDIBits, DIB_GetDIBImageBytes (width, ScanLines, bpp));
}
GreDeleteObject(hBmpDest);
if(pDC) DC_UnlockDc(pDC);
if(psurf) SURFACE_ShareUnlockSurface(psurf);
- if(pbmci) DIB_FreeConvertedBitmapInfo(Info, (BITMAPINFO*)pbmci);
+ if(pbmci) DIB_FreeConvertedBitmapInfo(Info, (BITMAPINFO*)pbmci, Usage);
return ScanLines;
}
+INT
+APIENTRY
+NtGdiGetDIBitsInternal(
+ _In_ HDC hdc,
+ _In_ HBITMAP hbm,
+ _In_ UINT iStartScan,
+ _In_ UINT cScans,
+ _Out_opt_ LPBYTE pjBits,
+ _Inout_ LPBITMAPINFO pbmiUser,
+ _In_ UINT iUsage,
+ _In_ UINT cjMaxBits,
+ _In_ UINT cjMaxInfo)
+{
+ PBITMAPINFO pbmi;
+ HANDLE hSecure = NULL;
+ INT iResult = 0;
+ UINT cjAlloc;
+
+ /* Check for bad iUsage */
+ if (iUsage > 2) return 0;
+
+ /* Check if the size of the bitmap info is large enough */
+ if (cjMaxInfo < sizeof(BITMAPCOREHEADER))
+ {
+ return 0;
+ }
+
+ /* Use maximum size */
+ cjMaxInfo = min(cjMaxInfo, sizeof(BITMAPV5HEADER) + 256 * sizeof(RGBQUAD));
+
+ // HACK: the underlying code sucks and doesn't care for the size, so we
+ // give it the maximum ever needed
+ cjAlloc = sizeof(BITMAPV5HEADER) + 256 * sizeof(RGBQUAD);
+
+ /* Allocate a buffer the bitmapinfo */
+ pbmi = ExAllocatePoolWithTag(PagedPool, cjAlloc, 'imBG');
+ if (!pbmi)
+ {
+ /* Fail */
+ return 0;
+ }
+
+ /* Use SEH */
+ _SEH2_TRY
+ {
+ /* Probe and copy the BITMAPINFO */
+ ProbeForRead(pbmiUser, cjMaxInfo, 1);
+ RtlCopyMemory(pbmi, pbmiUser, cjMaxInfo);
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ _SEH2_YIELD(goto cleanup;)
+ }
+ _SEH2_END;
+
+ /* Check if the header size is large enough */
+ if ((pbmi->bmiHeader.biSize < sizeof(BITMAPCOREHEADER)) ||
+ (pbmi->bmiHeader.biSize > cjMaxInfo))
+ {
+ goto cleanup;
+ }
+
+ /* Check if the caller provided bitmap bits */
+ if (pjBits)
+ {
+ /* Secure the user mode memory */
+ hSecure = EngSecureMem(pjBits, cjMaxBits);
+ if (!hSecure)
+ {
+ goto cleanup;
+ }
+ }
+
+ /* Now call the internal function */
+ iResult = GreGetDIBitsInternal(hdc,
+ hbm,
+ iStartScan,
+ cScans,
+ pjBits,
+ pbmi,
+ iUsage,
+ cjMaxBits,
+ cjMaxInfo);
+
+ /* Check for success */
+ if (iResult)
+ {
+ /* Use SEH to copy back to user mode */
+ _SEH2_TRY
+ {
+ /* Copy the data back */
+ ProbeForWrite(pbmiUser, cjMaxInfo, 1);
+ RtlCopyMemory(pbmiUser, pbmi, cjMaxInfo);
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ /* Ignore */
+ }
+ _SEH2_END;
+ }
+
+cleanup:
+ if (hSecure) EngUnsecureMem(hSecure);
+ ExFreePoolWithTag(pbmi, 'imBG');
+
+ return iResult;
+}
+
+
#define ROP_TO_ROP4(Rop) ((Rop) >> 16)
W32KAPI
return 0;
}
+ /* Check for info / mem DC without surface */
+ if (!pdc->dclevel.pSurface)
+ {
+ DC_UnlockDc(pdc);
+ // CHECKME
+ return TRUE;
+ }
+
/* Transform dest size */
sizel.cx = cxDst;
sizel.cy = cyDst;
hcmXform);
}
- pvBits = ExAllocatePoolWithTag(PagedPool, cjMaxBits, 'pmeT');
- if (!pvBits)
+ if (pjInit && (cjMaxBits > 0))
{
- return 0;
- }
+ pvBits = ExAllocatePoolWithTag(PagedPool, cjMaxBits, 'pmeT');
+ if (!pvBits)
+ {
+ return 0;
+ }
- _SEH2_TRY
- {
- ProbeForRead(pjInit, cjMaxBits, 1);
- RtlCopyMemory(pvBits, pjInit, cjMaxBits);
+ _SEH2_TRY
+ {
+ ProbeForRead(pjInit, cjMaxBits, 1);
+ RtlCopyMemory(pvBits, pjInit, cjMaxBits);
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ ExFreePoolWithTag(pvBits, 'pmeT');
+ _SEH2_YIELD(return 0);
+ }
+ _SEH2_END
}
- _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ else
{
- _SEH2_YIELD(return 0);
+ pvBits = NULL;
}
- _SEH2_END
/* FIXME: Locking twice is cheesy, coord tranlation in UM will fix it */
if (!(pdc = DC_LockDc(hdc)))
rcDst.bottom = rcDst.top + cyDst;
IntLPtoDP(pdc, (POINTL*)&rcDst, 2);
RECTL_vOffsetRect(&rcDst, pdc->ptlDCOrig.x, pdc->ptlDCOrig.y);
-
+
hbmTmp = GreCreateBitmapEx(pbmi->bmiHeader.biWidth,
pbmi->bmiHeader.biHeight,
0,
}
/* Prepare DC for blit */
- DC_vPrepareDCsForBlit(pdc, rcDst, NULL, rcSrc);
-
+ DC_vPrepareDCsForBlit(pdc, &rcDst, NULL, NULL);
+
psurfDst = pdc->dclevel.pSurface;
- if (!psurfDst)
- {
- DC_vFinishBlit(pdc, NULL);
- // CHECKME
- bResult = TRUE;
- goto cleanup;
- }
-
+
/* Initialize XLATEOBJ */
EXLATEOBJ_vInitialize(&exlo,
ppalDIB,
bResult = IntEngStretchBlt(&psurfDst->SurfObj,
&psurfTmp->SurfObj,
NULL,
- pdc->rosdc.CombinedClip,
+ &pdc->co.ClipObj,
&exlo.xlo,
&pdc->dclevel.ca,
&rcDst,
if (psurfTmp) SURFACE_ShareUnlockSurface(psurfTmp);
if (hbmTmp) GreDeleteObject(hbmTmp);
if (pdc) DC_UnlockDc(pdc);
- ExFreePoolWithTag(pvBits, 'pmeT');
+ if (pvBits) ExFreePoolWithTag(pvBits, 'pmeT');
return bResult;
}
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)))
+ if (col == RGB(0, 0, 0))
{
rgb++;
col = RGB(rgb->rgbRed, rgb->rgbGreen, rgb->rgbBlue);
HBITMAP res = 0;
SURFACE *bmp = NULL;
void *mapBits = NULL;
- PPALETTE ppalDIB;
+ PPALETTE ppalDIB = NULL;
// Fill BITMAP32 structure with DIB data
CONST BITMAPINFOHEADER *bi = &bmi->bmiHeader;
/* Create a palette for the DIB */
ppalDIB = CreateDIBPalette(bmi, dc, usage);
- if (ppalDIB)
- {
- SURFACE_vSetPalette(bmp, ppalDIB);
- PALETTE_ShareUnlockPalette(ppalDIB);
- }
// Clean up in case of errors
cleanup:
- if (!res || !bmp || !bm.bmBits)
+ if (!res || !bmp || !bm.bmBits || !ppalDIB)
{
DPRINT("Got an error res=%p, bmp=%p, bm.bmBits=%p\n", res, bmp, bm.bmBits);
if (bm.bmBits)
}
if (bmp)
+ {
+ SURFACE_ShareUnlockSurface(bmp);
bmp = NULL;
+ }
if (res)
{
GreDeleteObject(res);
res = 0;
}
+
+ if(ppalDIB)
+ {
+ PALETTE_ShareUnlockPalette(ppalDIB);
+ }
}
if (bmp)
{
+ /* If we're here, everything went fine */
+ SURFACE_vSetPalette(bmp, ppalDIB);
+ PALETTE_ShareUnlockPalette(ppalDIB);
SURFACE_ShareUnlockSurface(bmp);
}
/* Frees a BITMAPINFO created with DIB_ConvertBitmapInfo */
VOID
FASTCALL
-DIB_FreeConvertedBitmapInfo(BITMAPINFO* converted, BITMAPINFO* orig)
+DIB_FreeConvertedBitmapInfo(BITMAPINFO* converted, BITMAPINFO* orig, DWORD usage)
{
- if(converted != orig)
+ BITMAPCOREINFO* pbmci;
+ if(converted == orig)
+ return;
+
+ if(usage == -1)
+ {
+ /* Caller don't want any conversion */
ExFreePoolWithTag(converted, TAG_DIB);
+ return;
+ }
+
+ /* Perform inverse conversion */
+ pbmci = (BITMAPCOREINFO*)orig;
+
+ ASSERT(pbmci->bmciHeader.bcSize == sizeof(BITMAPCOREHEADER));
+ pbmci->bmciHeader.bcBitCount = converted->bmiHeader.biBitCount;
+ pbmci->bmciHeader.bcWidth = converted->bmiHeader.biWidth;
+ pbmci->bmciHeader.bcHeight = converted->bmiHeader.biHeight;
+ pbmci->bmciHeader.bcPlanes = converted->bmiHeader.biPlanes;
+
+ if(pbmci->bmciHeader.bcBitCount <= 8)
+ {
+ UINT numColors = converted->bmiHeader.biClrUsed;
+ if(!numColors) numColors = 1 << pbmci->bmciHeader.bcBitCount;
+ if(usage == DIB_PAL_COLORS)
+ {
+ RtlZeroMemory(pbmci->bmciColors, (1 << pbmci->bmciHeader.bcBitCount) * sizeof(WORD));
+ RtlCopyMemory(pbmci->bmciColors, converted->bmiColors, numColors * sizeof(WORD));
+ }
+ else
+ {
+ UINT i;
+ RtlZeroMemory(pbmci->bmciColors, (1 << pbmci->bmciHeader.bcBitCount) * sizeof(RGBTRIPLE));
+ for(i=0; i<numColors; i++)
+ {
+ pbmci->bmciColors[i].rgbtRed = converted->bmiColors[i].rgbRed;
+ pbmci->bmciColors[i].rgbtGreen = converted->bmiColors[i].rgbGreen;
+ pbmci->bmciColors[i].rgbtBlue = converted->bmiColors[i].rgbBlue;
+ }
+ }
+ }
+ /* Now free it, it's not needed anymore */
+ ExFreePoolWithTag(converted, TAG_DIB);
}
/* EOF */
projects / reactos.git / blobdiff