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NtGdiGetChar/ABCWidth/sW now fully functional and tested good with AbiWord. Text looks very nice.

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svn path=/trunk/; revision=30260
This commit is contained in:
James Tabor 2007-11-08 06:17:17 +00:00
parent 84c30a0495
commit 623bdd6fe3
1 changed files with 101 additions and 43 deletions
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144
reactos/subsystems/win32/win32k/objects/text.c
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@ -2143,7 +2143,8 @@ NtGdiGetCharABCWidthsW(
IN FLONG fl,
OUT PVOID Buffer)
{
LPABC SafeBuffer;
LPABC SafeBuff;
LPABCFLOAT SafeBuffF = NULL;
PDC dc;
PTEXTOBJ TextObj;
PFONTGDI FontGDI;
@ -2151,24 +2152,32 @@ NtGdiGetCharABCWidthsW(
FT_CharMap charmap, found = NULL;
UINT i, glyph_index, BufferSize;
HFONT hFont = 0;
NTSTATUS Status;
LPABC abc = NULL;
LPABCFLOAT abcf = NULL;
NTSTATUS Status = STATUS_SUCCESS;
if (!fl)
if(pwch)
{
abcf = (LPABCFLOAT) Buffer;
// Not supported yet!
_SEH_TRY
{
ProbeForRead(pwch,
sizeof(PWSTR),
1);
}
_SEH_HANDLE
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
}
if (!NT_SUCCESS(Status))
{
SetLastWin32Error(Status);
return FALSE;
}
else
abc = (LPABC) Buffer;
if (fl & GCABCW_INDICES) return FALSE; // Not supported yet!
BufferSize = Count * sizeof(ABC);
SafeBuffer = ExAllocatePoolWithTag(PagedPool, BufferSize, TAG_GDITEXT);
if (SafeBuffer == NULL)
BufferSize = Count * sizeof(ABC); // Same size!
SafeBuff = ExAllocatePoolWithTag(PagedPool, BufferSize, TAG_GDITEXT);
if (!fl) SafeBuffF = (LPABCFLOAT) SafeBuff;
if (SafeBuff == NULL)
{
SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
@ -2177,7 +2186,7 @@ NtGdiGetCharABCWidthsW(
dc = DC_LockDc(hDC);
if (dc == NULL)
{
ExFreePool(SafeBuffer);
ExFreePool(SafeBuff);
SetLastWin32Error(ERROR_INVALID_HANDLE);
return FALSE;
}
@ -2187,7 +2196,7 @@ NtGdiGetCharABCWidthsW(
if (TextObj == NULL)
{
ExFreePool(SafeBuffer);
ExFreePool(SafeBuff);
SetLastWin32Error(ERROR_INVALID_HANDLE);
return FALSE;
}
@ -2210,7 +2219,7 @@ NtGdiGetCharABCWidthsW(
if (!found)
{
DPRINT1("WARNING: Could not find desired charmap!\n");
ExFreePool(SafeBuffer);
ExFreePool(SafeBuff);
SetLastWin32Error(ERROR_INVALID_HANDLE);
return FALSE;
}
@ -2231,7 +2240,20 @@ NtGdiGetCharABCWidthsW(
{
int adv, lsb, bbx, left, right;
glyph_index = FT_Get_Char_Index(face, i);
if (pwch)
{
if (fl & GCABCW_INDICES)
glyph_index = pwch[i - FirstChar];
else
glyph_index = FT_Get_Char_Index(face, pwch[i - FirstChar]);
}
else
{
if (fl & GCABCW_INDICES)
glyph_index = i;
else
glyph_index = FT_Get_Char_Index(face, i);
}
FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT);
left = (INT)face->glyph->metrics.horiBearingX & -64;
@ -2246,20 +2268,29 @@ NtGdiGetCharABCWidthsW(
/*
DPRINT1("lsb %d and bbx %d\n", lsb, bbx );
*/
SafeBuffer[i - FirstChar].abcA = lsb;
SafeBuffer[i - FirstChar].abcB = bbx;
SafeBuffer[i - FirstChar].abcC = adv - lsb - bbx;
if (!fl)
{
SafeBuffF[i - FirstChar].abcfA = (FLOAT) lsb;
SafeBuffF[i - FirstChar].abcfB = (FLOAT) bbx;
SafeBuffF[i - FirstChar].abcfC = (FLOAT) (adv - lsb - bbx);
}
else
{
SafeBuff[i - FirstChar].abcA = lsb;
SafeBuff[i - FirstChar].abcB = bbx;
SafeBuff[i - FirstChar].abcC = adv - lsb - bbx;
}
}
IntUnLockFreeType;
TEXTOBJ_UnlockText(TextObj);
Status = MmCopyToCaller(abc, SafeBuffer, BufferSize);
Status = MmCopyToCaller(Buffer, SafeBuff, BufferSize);
if (! NT_SUCCESS(Status))
{
SetLastNtError(Status);
ExFreePool(SafeBuffer);
ExFreePool(SafeBuff);
return FALSE;
}
ExFreePool(SafeBuffer);
ExFreePool(SafeBuff);
DPRINT("NtGdiGetCharABCWidths Worked!\n");
return TRUE;
}
@ -2277,7 +2308,9 @@ NtGdiGetCharWidthW(
IN FLONG fl,
OUT PVOID Buffer)
{
LPINT SafeBuffer;
NTSTATUS Status = STATUS_SUCCESS;
LPINT SafeBuff;
PFLOAT SafeBuffF = NULL;
PDC dc;
PTEXTOBJ TextObj;
PFONTGDI FontGDI;
@ -2285,22 +2318,31 @@ NtGdiGetCharWidthW(
FT_CharMap charmap, found = NULL;
UINT i, glyph_index, BufferSize;
HFONT hFont = 0;
PFLOAT BufF = NULL;
LPINT Buf = NULL;
if (fl == 0)
if(pwc)
{
BufF = (PFLOAT) Buffer;
_SEH_TRY
{
ProbeForRead(pwc,
sizeof(PWSTR),
1);
}
_SEH_HANDLE
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
}
if (!NT_SUCCESS(Status))
{
SetLastWin32Error(Status);
return FALSE;
}
else
Buf = (LPINT) Buffer;
if (fl & GCW_INDICES) return FALSE;
BufferSize = Count * sizeof(INT);
SafeBuffer = ExAllocatePoolWithTag(PagedPool, BufferSize, TAG_GDITEXT);
if (SafeBuffer == NULL)
BufferSize = Count * sizeof(INT); // Same size!
SafeBuff = ExAllocatePoolWithTag(PagedPool, BufferSize, TAG_GDITEXT);
if (!fl) SafeBuffF = (PFLOAT) SafeBuff;
if (SafeBuff == NULL)
{
SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
@ -2309,7 +2351,7 @@ NtGdiGetCharWidthW(
dc = DC_LockDc(hDC);
if (dc == NULL)
{
ExFreePool(SafeBuffer);
ExFreePool(SafeBuff);
SetLastWin32Error(ERROR_INVALID_HANDLE);
return FALSE;
}
@ -2319,7 +2361,7 @@ NtGdiGetCharWidthW(
if (TextObj == NULL)
{
ExFreePool(SafeBuffer);
ExFreePool(SafeBuff);
SetLastWin32Error(ERROR_INVALID_HANDLE);
return FALSE;
}
@ -2342,7 +2384,7 @@ NtGdiGetCharWidthW(
if (!found)
{
DPRINT1("WARNING: Could not find desired charmap!\n");
ExFreePool(SafeBuffer);
ExFreePool(SafeBuff);
SetLastWin32Error(ERROR_INVALID_HANDLE);
return FALSE;
}
@ -2362,14 +2404,30 @@ NtGdiGetCharWidthW(
for (i = FirstChar; i < FirstChar+Count; i++)
{
glyph_index = FT_Get_Char_Index(face, i);
if (pwc)
{
if (fl & GCW_INDICES)
glyph_index = pwc[i - FirstChar];
else
glyph_index = FT_Get_Char_Index(face, pwc[i - FirstChar]);
}
else
{
if (fl & GCW_INDICES)
glyph_index = i;
else
glyph_index = FT_Get_Char_Index(face, i);
}
FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT);
SafeBuffer[i - FirstChar] = (face->glyph->advance.x + 32) >> 6;
if (!fl)
SafeBuffF[i - FirstChar] = (FLOAT) ((face->glyph->advance.x + 32) >> 6);
else
SafeBuff[i - FirstChar] = (face->glyph->advance.x + 32) >> 6;
}
IntUnLockFreeType;
TEXTOBJ_UnlockText(TextObj);
MmCopyToCaller(Buffer, SafeBuffer, BufferSize);
ExFreePool(SafeBuffer);
MmCopyToCaller(Buffer, SafeBuff, BufferSize);
ExFreePool(SafeBuff);
return TRUE;
}