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[Win32k]

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- Create a Gre function for GetKerningPairs.

svn path=/trunk/; revision=44541
This commit is contained in:
James Tabor 2009-12-12 00:19:37 +00:00
parent 68a499842a
commit e3ba837e2e
1 changed files with 62 additions and 0 deletions
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62
reactos/subsystems/win32/win32k/objects/font.c
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@ -13,8 +13,69 @@
#define NDEBUG
#include <debug.h>
DWORD FASTCALL GreGetGlyphIndicesW(HDC,LPWSTR,INT,LPWORD,DWORD,DWORD);
/** Internal ******************************************************************/
DWORD
FASTCALL
GreGetKerningPairs(
HDC hDC,
ULONG NumPairs,
LPKERNINGPAIR krnpair)
{
PDC dc;
PDC_ATTR pdcattr;
PTEXTOBJ TextObj;
PFONTGDI FontGDI;
DWORD Count;
KERNINGPAIR *pKP;
dc = DC_LockDc(hDC);
if (!dc)
{
SetLastWin32Error(ERROR_INVALID_HANDLE);
return 0;
}
pdcattr = dc->pdcattr;
TextObj = RealizeFontInit(pdcattr->hlfntNew);
DC_UnlockDc(dc);
if (!TextObj)
{
SetLastWin32Error(ERROR_INVALID_HANDLE);
return 0;
}
FontGDI = ObjToGDI(TextObj->Font, FONT);
TEXTOBJ_UnlockText(TextObj);
Count = ftGdiGetKerningPairs(FontGDI,0,NULL);
if ( Count && krnpair )
{
if (Count > NumPairs)
{
SetLastWin32Error(ERROR_INSUFFICIENT_BUFFER);
return 0;
}
pKP = ExAllocatePoolWithTag(PagedPool, Count * sizeof(KERNINGPAIR), TAG_GDITEXT);
if (!pKP)
{
SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
return 0;
}
ftGdiGetKerningPairs(FontGDI,Count,pKP);
RtlCopyMemory(krnpair, pKP, Count * sizeof(KERNINGPAIR));
ExFreePoolWithTag(pKP,TAG_GDITEXT);
}
return Count;
}
DWORD
FASTCALL
GreGetCharacterPlacementW(
@ -31,6 +92,7 @@ GreGetCharacterPlacementW(
{
if (GreGetTextExtentW( hdc, pwsz, nCount, &Size, 1))
return MAKELONG(Size.cx, Size.cy);
return 0;
}
UNIMPLEMENTED;
return 0;