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[WIN32K]

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- DDB are 16 bits aligned.
  - Reset hdc field of the unselected bitmap.
  - Lock it too, so it's not messed with when we unselect it.
  - Move Pattern creation of IntGdiCreateDIBBrush to DIB_CreateDIBSection.

svn path=/branches/reactos-yarotows/; revision=48406
This commit is contained in:
Jérôme Gardou 2010-08-02 00:53:25 +00:00
parent 7d7d9eba48
commit a0d32e2d0b
6 changed files with 82 additions and 77 deletions
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23
subsystems/win32/win32k/eng/surface.c
View file

@ -200,16 +200,21 @@ SURFACE_bSetBitmapBits(
cBitsPixel = gajBitsPerFormat[pso->iBitmapFormat];
/* Is a width in bytes given? */
if (ulWidth)
if (!ulWidth)
{
/* Align the width (Windows compatibility) */
ulWidth = ((((ulWidth << 3) / cBitsPixel) * cBitsPixel + 31) & ~31) >> 3;
}
else
{
/* Calculate width from the bitmap width in pixels */
ulWidth = ((pso->sizlBitmap.cx * cBitsPixel + 31) & ~31) >> 3;
}
/* Align the width (windows compatibility) */
if(psurf->flags & DDB_SURFACE)
{
/* DDB are 16 bits aligned */
ulWidth = BITMAP_GetWidthBytes(pso->sizlBitmap.cx, cBitsPixel);
}
else
{
/* Others are 32 bits aligned */
ulWidth = DIB_GetDIBWidthBytes(pso->sizlBitmap.cx, cBitsPixel);
}
}
/* Calculate the bitmap size in bytes */
pso->cjBits = ulWidth * pso->sizlBitmap.cy;

3
subsystems/win32/win32k/include/bitmaps.h
View file

@ -32,7 +32,8 @@ GreCreateBitmapEx(
IN ULONG iFormat,
IN USHORT fjBitmap,
IN ULONG cjBits,
IN OPTIONAL PVOID pvBits);
IN OPTIONAL PVOID pvBits,
IN FLONG flags);
HBITMAP
FASTCALL

61
subsystems/win32/win32k/objects/bitmaps.c
View file

@ -76,14 +76,14 @@ GreCreateBitmapEx(
IN ULONG iFormat,
IN USHORT fjBitmap,
IN ULONG cjSizeImage,
IN OPTIONAL PVOID pvBits)
IN OPTIONAL PVOID pvBits,
IN FLONG flags)
{
PSURFACE psurf;
SURFOBJ *pso;
HBITMAP hbmp;
PVOID pvCompressedBits;
SIZEL sizl;
FLONG fl = 0;
/* Verify format */
if (iFormat < BMF_1BPP || iFormat > BMF_PNG) return NULL;
@ -107,7 +107,7 @@ GreCreateBitmapEx(
pvCompressedBits = pvBits;
pvBits = EngAllocMem(FL_ZERO_MEMORY, pso->cjBits, TAG_DIB);
Decompress4bpp(sizl, pvCompressedBits, pvBits, pso->lDelta);
fl |= BMF_RLE_HACK;
fjBitmap |= BMF_RLE_HACK;
}
else if (iFormat == BMF_8RLE)
{
@ -115,9 +115,12 @@ GreCreateBitmapEx(
pvCompressedBits = pvBits;
pvBits = EngAllocMem(FL_ZERO_MEMORY, pso->cjBits, TAG_DIB);
Decompress8bpp(sizl, pvCompressedBits, pvBits, pso->lDelta);
fl |= BMF_RLE_HACK;
fjBitmap |= BMF_RLE_HACK;
}
/* Mark as API bitmap */
psurf->flags |= (flags | API_BITMAP);
/* Set the bitmap bits */
if (!SURFACE_bSetBitmapBits(psurf, fjBitmap, cjWidthBytes, pvBits))
{
@ -127,14 +130,14 @@ GreCreateBitmapEx(
return NULL;
}
/* Mark as API bitmap */
psurf->flags |= API_BITMAP;
/* Unlock the surface and return */
SURFACE_UnlockSurface(psurf);
return hbmp;
}
/* Creates a DDB surface,
* as in CreateCompatibleBitmap or CreateBitmap.
*/
HBITMAP
APIENTRY
GreCreateBitmap(
@ -151,7 +154,8 @@ GreCreateBitmap(
BitmapFormat(cBitsPixel * cPlanes, BI_RGB),
0, /* no bitmap flags */
0, /* auto size */
pvBits);
pvBits,
DDB_SURFACE /* DDB */);
}
HBITMAP
@ -163,10 +167,7 @@ NtGdiCreateBitmap(
IN UINT cBitsPixel,
IN OPTIONAL LPBYTE pUnsafeBits)
{
PSURFACE psurf;
SURFOBJ *pso;
HBITMAP hbmp;
FLONG fl = 0;
ULONG cjWidthBytes, iFormat;
/* NOTE: Windows also doesn't store nr. of planes separately! */
@ -185,7 +186,7 @@ NtGdiCreateBitmap(
}
/* Make sure that cjBits will not overflow */
cjWidthBytes = DIB_GetDIBWidthBytes(nWidth, cBitsPixel);
cjWidthBytes = BITMAP_GetWidthBytes(nWidth, cBitsPixel);
if ((ULONGLONG)cjWidthBytes * nHeight >= 0x100000000ULL)
{
DPRINT1("Width = %d, Height = %d BitsPixel = %d\n",
@ -194,30 +195,12 @@ NtGdiCreateBitmap(
return NULL;
}
/* Allocate a surface */
psurf = SURFACE_AllocSurface(STYPE_BITMAP, nWidth, nHeight, iFormat);
if (!psurf)
{
DPRINT1("SURFACE_AllocSurface failed.\n");
EngSetLastError(ERROR_OUTOFMEMORY);
return NULL;
}
/* cBitsPixel = cBitsPixel * cPlanes now! */
hbmp = GreCreateBitmap(nWidth, nHeight, 1, cBitsPixel, NULL);
/* Get the handle for the bitmap and the surfobj */
hbmp = (HBITMAP)psurf->SurfObj.hsurf;
pso = &psurf->SurfObj;
/* Allocate the bitmap bits */
if (!SURFACE_bSetBitmapBits(psurf, fl, 0, NULL))
{
/* Bail out if that failed */
DPRINT1("SURFACE_bSetBitmapBits failed.\n");
SURFACE_FreeSurfaceByHandle(hbmp);
return NULL;
}
if (pUnsafeBits)
{
PSURFACE psurf = SURFACE_LockSurface(hbmp);
_SEH2_TRY
{
ProbeForRead(pUnsafeBits, cjWidthBytes * nHeight, 1);
@ -225,17 +208,15 @@ NtGdiCreateBitmap(
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
SURFACE_UnlockSurface(psurf);
SURFACE_FreeSurfaceByHandle(hbmp);
_SEH2_YIELD(return NULL;)
}
_SEH2_END
SURFACE_UnlockSurface(psurf);
}
/* Mark as API bitmap */
psurf->flags |= API_BITMAP;
/* Unlock the surface and return */
SURFACE_UnlockSurface(psurf);
return hbmp;
}
@ -931,7 +912,8 @@ BITMAP_CopyBitmap(HBITMAP hBitmap)
Bitmap->SurfObj.iBitmapFormat,
Bitmap->SurfObj.fjBitmap,
Bitmap->SurfObj.cjBits,
NULL);
NULL,
Bitmap->flags);
if (res)
@ -1052,4 +1034,5 @@ NtGdiGetDCforBitmap(
return hdc;
}
/* EOF */

25
subsystems/win32/win32k/objects/brush.c
View file

@ -25,7 +25,7 @@ typedef struct _GDI_OBJ_ATTR_ENTRY
RGN_ATTR Attr[GDIOBJATTRFREE];
} GDI_OBJ_ATTR_ENTRY, *PGDI_OBJ_ATTR_ENTRY;
static const ULONG HatchBrushes[NB_HATCH_STYLES][8] =
static const USHORT HatchBrushes[NB_HATCH_STYLES][8] =
{
{0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF}, /* HS_HORIZONTAL */
{0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7}, /* HS_VERTICAL */
@ -256,8 +256,7 @@ IntGdiCreateDIBBrush(
PBRUSH pbrush;
HBITMAP hPattern;
ULONG_PTR DataPtr;
PSURFACE psurfPattern;
HPALETTE hpal ;
PVOID pvDIBits;
if (BitmapInfo->bmiHeader.biSize < sizeof(BITMAPINFOHEADER))
{
@ -267,25 +266,17 @@ IntGdiCreateDIBBrush(
DataPtr = (ULONG_PTR)BitmapInfo + DIB_BitmapInfoSize(BitmapInfo, ColorSpec);
hPattern = GreCreateBitmap(BitmapInfo->bmiHeader.biWidth,
BitmapInfo->bmiHeader.biHeight,
BitmapInfo->bmiHeader.biPlanes,
BitmapInfo->bmiHeader.biBitCount,
(PVOID)DataPtr);
hPattern = DIB_CreateDIBSection(NULL, BitmapInfo, ColorSpec, &pvDIBits, NULL, 0, 0);
if (hPattern == NULL)
{
SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
return NULL;
}
psurfPattern = SURFACE_LockSurface(hPattern);
ASSERT(psurfPattern != NULL);
if(ColorSpec == DIB_PAL_COLORS) DPRINT1("FIXME, unsupported color spec!\n");
hpal = BuildDIBPalette(BitmapInfo);
psurfPattern->ppal = PALETTE_ShareLockPalette(hpal);
/* Lazy delete palette, it will be freed when its shared reference is zeroed */
GreDeleteObject(hpal);
SURFACE_UnlockSurface(psurfPattern);
RtlCopyMemory(pvDIBits,
(PVOID)DataPtr,
DIB_GetDIBImageBytes(BitmapInfo->bmiHeader.biWidth,
BitmapInfo->bmiHeader.biHeight,
BitmapInfo->bmiHeader.biBitCount * BitmapInfo->bmiHeader.biPlanes));
pbrush = BRUSH_AllocBrushWithHandle();
if (pbrush == NULL)

14
subsystems/win32/win32k/objects/dcobjs.c
View file

@ -284,15 +284,25 @@ NtGdiSelectBitmap(
}
/* Get the handle for the old bitmap */
psurfOld = pDC->dclevel.pSurface;
hOrgBmp = psurfOld ? psurfOld->BaseObject.hHmgr : NULL;
ASSERT(pDC->dclevel.pSurface);
hOrgBmp = pDC->dclevel.pSurface->BaseObject.hHmgr;
/* Lock it, to be sure while we mess with it*/
psurfOld = SURFACE_LockSurface(hOrgBmp);
/* Reset hdc, this surface isn't selected anymore */
psurfOld->hdc = NULL;
/* Release the old bitmap, reference the new */
DC_vSelectSurface(pDC, psurfBmp);
/* And unlock it, now we're done */
SURFACE_UnlockSurface(psurfOld);
// If Info DC this is zero and pSurface is moved to DC->pSurfInfo.
psurfBmp->hdc = hDC;
/* FIXME; improve by using a region without a handle and selecting it */
hVisRgn = IntSysCreateRectRgn( 0,
0,

33
subsystems/win32/win32k/objects/dibobj.c
View file

@ -1463,10 +1463,20 @@ DIB_CreateDIBSection(
if (usage == DIB_PAL_COLORS)
{
PPALETTE pdcPal ;
pdcPal = PALETTE_LockPalette(dc->dclevel.hpal);
hpal = DIB_MapPaletteColors(pdcPal, bmi);
PALETTE_UnlockPalette(pdcPal);
if(dc)
{
PPALETTE pdcPal ;
pdcPal = PALETTE_LockPalette(dc->dclevel.hpal);
hpal = DIB_MapPaletteColors(pdcPal, bmi);
PALETTE_UnlockPalette(pdcPal);
}
else
{
/* For DIB Brushes */
DPRINT1("FIXME : Unsupported DIB_PAL_COLORS without a DC to map colors.\n");
/* HACK */
hpal = (HPALETTE) 0xFFFFFFFF;
}
}
else
{
@ -1475,7 +1485,7 @@ DIB_CreateDIBSection(
if(!hpal)
{
DPRINT1("Error : Could not create a aplette for the DIB.\n");
DPRINT1("Error : Could not create a palette for the DIB.\n");
goto cleanup;
}
@ -1489,7 +1499,8 @@ DIB_CreateDIBSection(
BMF_DONTCACHE | BMF_USERMEM | BMF_NOZEROINIT |
(bi->biHeight < 0 ? BMF_TOPDOWN : 0),
bi->biSizeImage,
bm.bmBits);
bm.bmBits,
0);
if (!res)
{
SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
@ -1512,9 +1523,13 @@ DIB_CreateDIBSection(
bmp->flags = API_BITMAP;
bmp->biClrImportant = bi->biClrImportant;
bmp->ppal = PALETTE_ShareLockPalette(hpal);
/* Lazy delete hpal, it will be freed at surface release */
GreDeleteObject(hpal);
/* HACK */
if(hpal != (HPALETTE)0xFFFFFFFF)
{
bmp->ppal = PALETTE_ShareLockPalette(hpal);
/* Lazy delete hpal, it will be freed at surface release */
GreDeleteObject(hpal);
}
// Clean up in case of errors
cleanup: