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- Add IntGetCharDimensions and text metrics for win32k server info.

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svn path=/trunk/; revision=38317
This commit is contained in:
James Tabor 2008-12-24 02:23:30 +00:00
parent 4349cee957
commit 9b5914abf0
3 changed files with 52 additions and 3 deletions
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1
reactos/subsystems/win32/win32k/include/text.h
View file

@ -106,6 +106,7 @@ BOOL FASTCALL ftGdiRealizationInfo(PFONTGDI,PREALIZATION_INFO);
DWORD FASTCALL ftGdiGetKerningPairs(PFONTGDI,DWORD,LPKERNINGPAIR); DWORD FASTCALL ftGdiGetKerningPairs(PFONTGDI,DWORD,LPKERNINGPAIR);
BOOL NTAPI GreExtTextOutW(IN HDC,IN INT,IN INT,IN UINT,IN OPTIONAL LPRECT, BOOL NTAPI GreExtTextOutW(IN HDC,IN INT,IN INT,IN UINT,IN OPTIONAL LPRECT,
IN LPWSTR, IN INT, IN OPTIONAL LPINT, IN DWORD); IN LPWSTR, IN INT, IN OPTIONAL LPINT, IN DWORD);
DWORD FASTCALL IntGetCharDimensions(HDC, PTEXTMETRICW, PDWORD);
#define IntLockProcessPrivateFonts(W32Process) \ #define IntLockProcessPrivateFonts(W32Process) \
ExEnterCriticalRegionAndAcquireFastMutexUnsafe(&W32Process->PrivateFontListLock) ExEnterCriticalRegionAndAcquireFastMutexUnsafe(&W32Process->PrivateFontListLock)

5
reactos/subsystems/win32/win32k/ntuser/winsta.c
View file

@ -294,6 +294,7 @@ IntGetWindowStationObject(PWINSTATION_OBJECT Object)
BOOL FASTCALL BOOL FASTCALL
co_IntInitializeDesktopGraphics(VOID) co_IntInitializeDesktopGraphics(VOID)
{ {
TEXTMETRICW tmw;
UNICODE_STRING DriverName = RTL_CONSTANT_STRING(L"DISPLAY"); UNICODE_STRING DriverName = RTL_CONSTANT_STRING(L"DISPLAY");
if (! IntCreatePrimarySurface()) if (! IntCreatePrimarySurface())
{ {
@ -319,6 +320,10 @@ co_IntInitializeDesktopGraphics(VOID)
gpsi->Planes = NtGdiGetDeviceCaps(ScreenDeviceContext, PLANES); gpsi->Planes = NtGdiGetDeviceCaps(ScreenDeviceContext, PLANES);
gpsi->BitsPixel = NtGdiGetDeviceCaps(ScreenDeviceContext, BITSPIXEL); gpsi->BitsPixel = NtGdiGetDeviceCaps(ScreenDeviceContext, BITSPIXEL);
gpsi->BitCount = gpsi->Planes * gpsi->BitsPixel; gpsi->BitCount = gpsi->Planes * gpsi->BitsPixel;
gpsi->dmLogPixels = NtGdiGetDeviceCaps(ScreenDeviceContext, LOGPIXELSY);
// Font is realized and this dc was previously set to internal DC_ATTR.
gpsi->cxSysFontChar = IntGetCharDimensions(hSystemBM, &tmw, &gpsi->cySysFontChar);
gpsi->tmSysFont = tmw;
return TRUE; return TRUE;
} }

43
reactos/subsystems/win32/win32k/objects/font.c
View file

@ -54,6 +54,49 @@ FontGetObject(PTEXTOBJ TFont, INT Count, PVOID Buffer)
return Count; return Count;
} }
DWORD
FASTCALL
IntGetCharDimensions(HDC hdc, PTEXTMETRICW ptm, PDWORD height)
{
PDC pdc;
PDC_ATTR pDc_Attr;
PTEXTOBJ TextObj;
SIZE sz;
TMW_INTERNAL tmwi;
BOOL Good;
static const WCHAR alphabet[] = {
'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q',
'r','s','t','u','v','w','x','y','z','A','B','C','D','E','F','G','H',
'I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z',0};
if(!ftGdiGetTextMetricsW(hdc, &tmwi)) return 0;
pdc = DC_LockDc(hdc);
if (!pdc) return 0;
pDc_Attr = pdc->pDc_Attr;
if(!pDc_Attr) pDc_Attr = &pdc->Dc_Attr;
TextObj = RealizeFontInit(pDc_Attr->hlfntNew);
if ( !TextObj )
{
DC_UnlockDc(pdc);
return 0;
}
Good = TextIntGetTextExtentPoint(pdc, TextObj, alphabet, 52, 0, NULL, 0, &sz);
TEXTOBJ_UnlockText(TextObj);
DC_UnlockDc(pdc);
if (!Good) return 0;
if (ptm) *ptm = tmwi.TextMetric;
if (height) *height = tmwi.TextMetric.tmHeight;
return (sz.cx / 26 + 1) / 2;
}
DWORD DWORD
FASTCALL FASTCALL
IntGetFontLanguageInfo(PDC Dc) IntGetFontLanguageInfo(PDC Dc)