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Implement NtGdiGetOutlineTextMetrics and GetOutlineTextMetricsA/W.

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GetOutlineTextMetricsA is from Wine. Tested with Mozilla 1.7.12.


svn path=/trunk/; revision=22096
This commit is contained in:
James Tabor 2006-05-28 22:49:52 +00:00
parent 57ae379676
commit 1b601af92f
2 changed files with 236 additions and 2 deletions
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181
reactos/dll/win32/gdi32/objects/font.c
View file

@ -15,6 +15,33 @@
#define INITIAL_FAMILY_COUNT 64
/***********************************************************************
* TEXTMETRIC conversion functions.
*/
static void FONT_TextMetricWToA(const TEXTMETRICW *ptmW, LPTEXTMETRICA ptmA )
{
ptmA->tmHeight = ptmW->tmHeight;
ptmA->tmAscent = ptmW->tmAscent;
ptmA->tmDescent = ptmW->tmDescent;
ptmA->tmInternalLeading = ptmW->tmInternalLeading;
ptmA->tmExternalLeading = ptmW->tmExternalLeading;
ptmA->tmAveCharWidth = ptmW->tmAveCharWidth;
ptmA->tmMaxCharWidth = ptmW->tmMaxCharWidth;
ptmA->tmWeight = ptmW->tmWeight;
ptmA->tmOverhang = ptmW->tmOverhang;
ptmA->tmDigitizedAspectX = ptmW->tmDigitizedAspectX;
ptmA->tmDigitizedAspectY = ptmW->tmDigitizedAspectY;
ptmA->tmFirstChar = ptmW->tmFirstChar > 255 ? 255 : ptmW->tmFirstChar;
ptmA->tmLastChar = ptmW->tmLastChar > 255 ? 255 : ptmW->tmLastChar;
ptmA->tmDefaultChar = ptmW->tmDefaultChar > 255 ? 255 : ptmW->tmDefaultChar;
ptmA->tmBreakChar = ptmW->tmBreakChar > 255 ? 255 : ptmW->tmBreakChar;
ptmA->tmItalic = ptmW->tmItalic;
ptmA->tmUnderlined = ptmW->tmUnderlined;
ptmA->tmStruckOut = ptmW->tmStruckOut;
ptmA->tmPitchAndFamily = ptmW->tmPitchAndFamily;
ptmA->tmCharSet = ptmW->tmCharSet;
}
static BOOL FASTCALL
MetricsCharConvert(WCHAR w, UCHAR *b)
{
@ -539,6 +566,160 @@ GetGlyphOutlineW(
}
/*
* @implemented
*/
UINT
APIENTRY
GetOutlineTextMetricsA(
HDC hdc,
UINT cbData,
LPOUTLINETEXTMETRICA lpOTM
)
{
char buf[512], *ptr;
UINT ret, needed;
OUTLINETEXTMETRICW *lpOTMW = (OUTLINETEXTMETRICW *)buf;
OUTLINETEXTMETRICA *output = lpOTM;
INT left, len;
if((ret = GetOutlineTextMetricsW(hdc, 0, NULL)) == 0)
return 0;
if(ret > sizeof(buf))
lpOTMW = HeapAlloc(GetProcessHeap(), 0, ret);
GetOutlineTextMetricsW(hdc, ret, lpOTMW);
needed = sizeof(OUTLINETEXTMETRICA);
if(lpOTMW->otmpFamilyName)
needed += WideCharToMultiByte(CP_ACP, 0,
(WCHAR*)((char*)lpOTMW + (int)lpOTMW->otmpFamilyName), -1,
NULL, 0, NULL, NULL);
if(lpOTMW->otmpFaceName)
needed += WideCharToMultiByte(CP_ACP, 0,
(WCHAR*)((char*)lpOTMW + (int)lpOTMW->otmpFaceName), -1,
NULL, 0, NULL, NULL);
if(lpOTMW->otmpStyleName)
needed += WideCharToMultiByte(CP_ACP, 0,
(WCHAR*)((char*)lpOTMW + (int)lpOTMW->otmpStyleName), -1,
NULL, 0, NULL, NULL);
if(lpOTMW->otmpFullName)
needed += WideCharToMultiByte(CP_ACP, 0,
(WCHAR*)((char*)lpOTMW + (int)lpOTMW->otmpFullName), -1,
NULL, 0, NULL, NULL);
if(!lpOTM) {
ret = needed;
goto end;
}
DPRINT("needed = %d\n", needed);
if(needed > cbData)
/* Since the supplied buffer isn't big enough, we'll alloc one
that is and memcpy the first cbData bytes into the lpOTM at
the end. */
output = HeapAlloc(GetProcessHeap(), 0, needed);
ret = output->otmSize = min(needed, cbData);
FONT_TextMetricWToA( &lpOTMW->otmTextMetrics, &output->otmTextMetrics );
output->otmFiller = 0;
output->otmPanoseNumber = lpOTMW->otmPanoseNumber;
output->otmfsSelection = lpOTMW->otmfsSelection;
output->otmfsType = lpOTMW->otmfsType;
output->otmsCharSlopeRise = lpOTMW->otmsCharSlopeRise;
output->otmsCharSlopeRun = lpOTMW->otmsCharSlopeRun;
output->otmItalicAngle = lpOTMW->otmItalicAngle;
output->otmEMSquare = lpOTMW->otmEMSquare;
output->otmAscent = lpOTMW->otmAscent;
output->otmDescent = lpOTMW->otmDescent;
output->otmLineGap = lpOTMW->otmLineGap;
output->otmsCapEmHeight = lpOTMW->otmsCapEmHeight;
output->otmsXHeight = lpOTMW->otmsXHeight;
output->otmrcFontBox = lpOTMW->otmrcFontBox;
output->otmMacAscent = lpOTMW->otmMacAscent;
output->otmMacDescent = lpOTMW->otmMacDescent;
output->otmMacLineGap = lpOTMW->otmMacLineGap;
output->otmusMinimumPPEM = lpOTMW->otmusMinimumPPEM;
output->otmptSubscriptSize = lpOTMW->otmptSubscriptSize;
output->otmptSubscriptOffset = lpOTMW->otmptSubscriptOffset;
output->otmptSuperscriptSize = lpOTMW->otmptSuperscriptSize;
output->otmptSuperscriptOffset = lpOTMW->otmptSuperscriptOffset;
output->otmsStrikeoutSize = lpOTMW->otmsStrikeoutSize;
output->otmsStrikeoutPosition = lpOTMW->otmsStrikeoutPosition;
output->otmsUnderscoreSize = lpOTMW->otmsUnderscoreSize;
output->otmsUnderscorePosition = lpOTMW->otmsUnderscorePosition;
ptr = (char*)(output + 1);
left = needed - sizeof(*output);
if(lpOTMW->otmpFamilyName) {
output->otmpFamilyName = (LPSTR)(ptr - (char*)output);
len = WideCharToMultiByte(CP_ACP, 0,
(WCHAR*)((char*)lpOTMW + (int)lpOTMW->otmpFamilyName), -1,
ptr, left, NULL, NULL);
left -= len;
ptr += len;
} else
output->otmpFamilyName = 0;
if(lpOTMW->otmpFaceName) {
output->otmpFaceName = (LPSTR)(ptr - (char*)output);
len = WideCharToMultiByte(CP_ACP, 0,
(WCHAR*)((char*)lpOTMW + (int)lpOTMW->otmpFaceName), -1,
ptr, left, NULL, NULL);
left -= len;
ptr += len;
} else
output->otmpFaceName = 0;
if(lpOTMW->otmpStyleName) {
output->otmpStyleName = (LPSTR)(ptr - (char*)output);
len = WideCharToMultiByte(CP_ACP, 0,
(WCHAR*)((char*)lpOTMW + (int)lpOTMW->otmpStyleName), -1,
ptr, left, NULL, NULL);
left -= len;
ptr += len;
} else
output->otmpStyleName = 0;
if(lpOTMW->otmpFullName) {
output->otmpFullName = (LPSTR)(ptr - (char*)output);
len = WideCharToMultiByte(CP_ACP, 0,
(WCHAR*)((char*)lpOTMW + (int)lpOTMW->otmpFullName), -1,
ptr, left, NULL, NULL);
left -= len;
} else
output->otmpFullName = 0;
assert(left == 0);
if(output != lpOTM) {
memcpy(lpOTM, output, cbData);
HeapFree(GetProcessHeap(), 0, output);
}
end:
if(lpOTMW != (OUTLINETEXTMETRICW *)buf)
HeapFree(GetProcessHeap(), 0, lpOTMW);
return ret;
}
/*
* @implemented
*/
UINT
APIENTRY
GetOutlineTextMetricsW(
HDC hdc,
UINT cbData,
LPOUTLINETEXTMETRICW lpOTM
)
{
return NtGdiGetOutlineTextMetrics(hdc, cbData, lpOTM);
}
/*
* @implemented

57
reactos/subsystems/win32/win32k/objects/text.c
View file

@ -2143,16 +2143,69 @@ NtGdiGetKerningPairs(HDC hDC,
return 0;
}
/*
From "Undocumented Windows 2000 Secrets" Appendix B, Table B-2, page
472, this is NtGdiGetOutlineTextMetricsInternalW.
*/
UINT
STDCALL
NtGdiGetOutlineTextMetrics(HDC hDC,
UINT Data,
LPOUTLINETEXTMETRICW otm)
{
UNIMPLEMENTED;
return 0;
PDC dc;
PTEXTOBJ TextObj;
PFONTGDI FontGDI;
HFONT hFont = 0;
ULONG Size;
OUTLINETEXTMETRICW *potm;
NTSTATUS Status;
dc = DC_LockDc(hDC);
if (dc == NULL)
{
SetLastWin32Error(ERROR_INVALID_HANDLE);
return 0;
}
hFont = dc->w.hFont;
TextObj = TEXTOBJ_LockText(hFont);
DC_UnlockDc(dc);
if (TextObj == NULL)
{
SetLastWin32Error(ERROR_INVALID_HANDLE);
return 0;
}
FontGDI = ObjToGDI(TextObj->Font, FONT);
TEXTOBJ_UnlockText(TextObj);
Size = IntGetOutlineTextMetrics(FontGDI, 0, NULL);
if (!otm) return Size;
if (Size > Data)
{
SetLastWin32Error(ERROR_INSUFFICIENT_BUFFER);
return 0;
}
potm = ExAllocatePoolWithTag(PagedPool, Size, TAG_GDITEXT);
if (NULL == potm)
{
SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
return 0;
}
IntGetOutlineTextMetrics(FontGDI, Size, potm);
if (otm)
{
Status = MmCopyToCaller(otm, potm, Size);
if (! NT_SUCCESS(Status))
{
SetLastWin32Error(ERROR_INVALID_PARAMETER);
ExFreePool(potm);
return 0;
}
}
ExFreePool(potm);
return Size;
}
BOOL
APIENTRY
NtGdiGetRasterizerCaps(