[jimtabor] 51009: [GDI32] - Protect SetDIBitsToDevice with seh and track it. This is for vbrun60spXX. Code fix ups and cleanup.
10 Mar
2011
10 Mar
'11
1:45 p.m.
Author: jimtabor
Date: Thu Mar 10 13:45:09 2011
New Revision: 51009
URL: http://svn.reactos.org/svn/reactos?rev=51009&view=rev
Log:
[GDI32]
- Protect SetDIBitsToDevice with seh and track it. This is for vbrun60spXX. Code fix ups
and cleanup.
Modified:
trunk/reactos/dll/win32/gdi32/include/gdi32p.h
trunk/reactos/dll/win32/gdi32/objects/bitmap.c
trunk/reactos/dll/win32/gdi32/objects/utils.c
Modified: trunk/reactos/dll/win32/gdi32/include/gdi32p.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/gdi32/include/gd…
==============================================================================
--- trunk/reactos/dll/win32/gdi32/include/gdi32p.h [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/gdi32/include/gdi32p.h [iso-8859-1] Thu Mar 10 13:45:09 2011
@@ -279,7 +279,6 @@
GdiSetLastError( DWORD dwErrCode );
DWORD WINAPI GdiGetCodePage(HDC);
-UINT FASTCALL DIB_BitmapBitsSize( CONST BITMAPINFO* );
int
WINAPI
Modified: trunk/reactos/dll/win32/gdi32/objects/bitmap.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/gdi32/objects/bi…
==============================================================================
--- trunk/reactos/dll/win32/gdi32/objects/bitmap.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/gdi32/objects/bitmap.c [iso-8859-1] Thu Mar 10 13:45:09 2011
@@ -2,6 +2,9 @@
#define NDEBUG
#include <debug.h>
+
+// From Yuan, ScanLineSize = (Width * bitcount + 31)/32
+#define WIDTH_BYTES_ALIGN32(cx, bpp) ((((cx) * (bpp) + 31) & ~31) >> 3)
/*
* DIB_BitmapInfoSize
@@ -42,52 +45,28 @@
FASTCALL
DIB_BitmapMaxBitsSize( PBITMAPINFO Info, UINT ScanLines )
{
- UINT MaxBits = 0;
+ UINT Ret;
if (!Info) return 0;
- if (Info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
+ if ( Info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
{
PBITMAPCOREHEADER Core = (PBITMAPCOREHEADER)Info;
- MaxBits = Core->bcBitCount * Core->bcPlanes * Core->bcWidth;
- }
- else /* assume BITMAPINFOHEADER */
- {
- if ((Info->bmiHeader.biCompression) &&
(Info->bmiHeader.biCompression != BI_BITFIELDS))
- return Info->bmiHeader.biSizeImage;
- // Planes are over looked by Yuan. I guess assumed always 1.
- MaxBits = Info->bmiHeader.biBitCount * Info->bmiHeader.biPlanes *
Info->bmiHeader.biWidth;
- }
- MaxBits = ((MaxBits + 31) & ~31 ) / 8; // From Yuan, ScanLineSize = (Width *
bitcount + 31)/32
- return (MaxBits * ScanLines); // ret the full Size.
-}
-
-UINT
-FASTCALL
-DIB_BitmapBitsSize( CONST BITMAPINFO* Info )
-{
- UINT Ret;
-
- if (!Info) return 0;
-
- if ( Info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
- {
- PBITMAPCOREHEADER Core = (PBITMAPCOREHEADER)Info;
- Ret = Core->bcHeight *
- ((Core->bcWidth * Core->bcPlanes * Core->bcBitCount + 31) &
~31 ) / 8;
+ Ret = WIDTH_BYTES_ALIGN32(Core->bcWidth * Core->bcPlanes,
Core->bcBitCount) * ScanLines;
}
else /* assume BITMAPINFOHEADER */
{
- if ((Info->bmiHeader.biCompression) &&
- (Info->bmiHeader.biCompression != BI_BITFIELDS))
- return Info->bmiHeader.biSizeImage;
- // Make Height positive always....
- Ret = abs(Info->bmiHeader.biHeight) *
- ((Info->bmiHeader.biWidth * Info->bmiHeader.biPlanes *
Info->bmiHeader.biBitCount + 31) & ~31 ) / 8;
+ if (!(Info->bmiHeader.biCompression) || (Info->bmiHeader.biCompression ==
BI_BITFIELDS))
+ {
+ Ret = WIDTH_BYTES_ALIGN32(Info->bmiHeader.biWidth *
Info->bmiHeader.biPlanes, Info->bmiHeader.biBitCount) * ScanLines;
+ }
+ else
+ {
+ Ret = Info->bmiHeader.biSizeImage;
+ }
}
return Ret;
}
-
/*
* DIB_GetBitmapInfo is complete copy of wine cvs 2/9-2006
@@ -161,39 +140,27 @@
WINAPI
GdiGetBitmapBitsSize(BITMAPINFO *lpbmi)
{
- int retSize;
-
- if (lpbmi->bmiHeader.biSize == FIELD_OFFSET(BITMAPINFOHEADER, biPlanes))
- {
- /* Calc the bits Size and align it*/
- retSize = HIWORD(lpbmi->bmiHeader.biWidth) *
((LOWORD(lpbmi->bmiHeader.biWidth) *
- LOWORD(lpbmi->bmiHeader.biHeight) *
HIWORD(lpbmi->bmiHeader.biHeight) + 31)
- & -32) / 8;
- }
- else
- {
- if ( (lpbmi->bmiHeader.biCompression == BI_BITFIELDS) ||
- (lpbmi->bmiHeader.biCompression == BI_RGB))
- {
- if (lpbmi->bmiHeader.biHeight >=0 )
- {
- /* Calc the bits Size and align it*/
- retSize = lpbmi->bmiHeader.biHeight * ((lpbmi->bmiHeader.biWidth *
- lpbmi->bmiHeader.biPlanes *
lpbmi->bmiHeader.biBitCount + 31) & -32) / 8;
- }
- else
- {
- /* Make height postiive if it negitve then calc the bits Size and align
it*/
- retSize = (-lpbmi->bmiHeader.biHeight) * ((lpbmi->bmiHeader.biWidth
*
- lpbmi->bmiHeader.biPlanes * lpbmi->bmiHeader.biBitCount +
31) & -32) / 8;
- }
+ UINT Ret;
+
+ if (!lpbmi) return 0;
+
+ if ( lpbmi->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
+ {
+ PBITMAPCOREHEADER Core = (PBITMAPCOREHEADER)lpbmi;
+ Ret = WIDTH_BYTES_ALIGN32(Core->bcWidth * Core->bcPlanes,
Core->bcBitCount) * Core->bcHeight;
+ }
+ else /* assume BITMAPINFOHEADER */
+ {
+ if (!(lpbmi->bmiHeader.biCompression) || (lpbmi->bmiHeader.biCompression ==
BI_BITFIELDS))
+ {
+ Ret = WIDTH_BYTES_ALIGN32(lpbmi->bmiHeader.biWidth *
lpbmi->bmiHeader.biPlanes, lpbmi->bmiHeader.biBitCount) *
abs(lpbmi->bmiHeader.biHeight);
}
else
{
- retSize = lpbmi->bmiHeader.biSizeImage;
- }
- }
- return retSize;
+ Ret = lpbmi->bmiHeader.biSizeImage;
+ }
+ }
+ return Ret;
}
/*
@@ -316,7 +283,7 @@
}
/*
- * @unimplemented
+ * @implemented
*/
HBITMAP WINAPI
CreateBitmap(INT Width,
@@ -325,7 +292,6 @@
UINT BitsPixel,
CONST VOID* pUnsafeBits)
{
- /* FIXME some part should be done in user mode */
if (Width && Height)
{
return NtGdiCreateBitmap(Width, Height, Planes, BitsPixel, (LPBYTE)
pUnsafeBits);
@@ -493,7 +459,7 @@
{
_SEH2_TRY
{
- cjBmpScanSize = DIB_BitmapBitsSize(Data);
+ cjBmpScanSize = GdiGetBitmapBitsSize((BITMAPINFO *)Data);
CalculateColorTableSize(&Data->bmiHeader, &ColorUse,
&InfoSize);
InfoSize += Data->bmiHeader.biSize;
}
@@ -566,9 +532,9 @@
}
}
- hDCc = NtGdiGetDCforBitmap(hBitmap);
+ hDCc = NtGdiGetDCforBitmap(hBitmap); // hDC can be NULL, so, get it from the bitmap.
SavehDC = hDCc;
- if ( !hDCc )
+ if ( !hDCc ) // No DC associated with bitmap, Clone or Create one.
{
nhDC = CreateCompatibleDC(hDC);
if ( !nhDC ) return 0;
@@ -648,6 +614,7 @@
UINT ConvertedInfoSize;
INT LinesCopied = 0;
UINT cjBmpScanSize = 0;
+ BOOL Hit = FALSE;
PVOID pvSafeBits = (PVOID)Bits;
if ( !ScanLines || !lpbmi || !Bits )
@@ -711,7 +678,26 @@
{
pvSafeBits = RtlAllocateHeap(GetProcessHeap(), 0, cjBmpScanSize);
if (pvSafeBits)
- RtlCopyMemory( pvSafeBits, Bits, cjBmpScanSize);
+ {
+ _SEH2_TRY
+ {
+ RtlCopyMemory( pvSafeBits, Bits, cjBmpScanSize);
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ Hit = TRUE;
+ }
+ _SEH2_END
+
+ if (Hit)
+ {
+ // We don't die, we continue on with a allocated safe pointer to
kernel
+ // space.....
+ DPRINT1("SetDIBitsToDevice fail to read BitMapInfo: %x or Bits: %x
& Size: %d\n",pConvertedInfo,Bits,cjBmpScanSize);
+ }
+ DPRINT("SetDIBitsToDevice Allocate Bits %d!!!\n", cjBmpScanSize);
+ }
+
}
if (!GdiGetHandleUserData(hdc, GDI_OBJECT_TYPE_DC, (PVOID)&pDc_Attr))
@@ -720,7 +706,8 @@
return 0;
}
/*
- if ( !pDc_Attr ||
+ if ( !pDc_Attr || // DC is Public
+ ColorUse == DIB_PAL_COLORS ||
((pConvertedInfo->bmiHeader.biSize >= sizeof(BITMAPINFOHEADER))
&&
(pConvertedInfo->bmiHeader.biCompression == BI_JPEG ||
pConvertedInfo->bmiHeader.biCompression == BI_PNG )) )*/
@@ -833,7 +820,7 @@
return 0;
}
- cjBmpScanSize = DIB_BitmapBitsSize((LPBITMAPINFO)pConvertedInfo);
+ cjBmpScanSize = GdiGetBitmapBitsSize((BITMAPINFO *)pConvertedInfo);
if ( lpBits )
{
@@ -867,6 +854,7 @@
}
/*
if ( !pDc_Attr ||
+ iUsage == DIB_PAL_COLORS ||
((pConvertedInfo->bmiHeader.biSize >= sizeof(BITMAPINFOHEADER))
&&
(pConvertedInfo->bmiHeader.biCompression == BI_JPEG ||
pConvertedInfo->bmiHeader.biCompression == BI_PNG )) )*/
Modified: trunk/reactos/dll/win32/gdi32/objects/utils.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/gdi32/objects/ut…
==============================================================================
--- trunk/reactos/dll/win32/gdi32/objects/utils.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/gdi32/objects/utils.c [iso-8859-1] Thu Mar 10 13:45:09 2011
@@ -214,7 +214,7 @@
if (FollowedByData)
{
- DataSize = DIB_BitmapBitsSize((PBITMAPINFO)BitmapInfo );
+ DataSize = GdiGetBitmapBitsSize((PBITMAPINFO)BitmapInfo );
}
/*
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