mirror of
https://github.com/reactos/reactos.git
synced 2024-12-28 10:04:49 +00:00
Simple font substitution and matching
svn path=/trunk/; revision=8914
This commit is contained in:
Gé van Geldorp
parent
77684eece7
commit
cdaaa65096
1 changed files with 172 additions and 75 deletions
|
|
@ -22,7 +22,7 @@
|
|||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
/* $Id: text.c,v 1.85 2004/03/27 00:35:02 weiden Exp $ */
|
||||
/* $Id: text.c,v 1.86 2004/03/28 22:39:59 gvg Exp $ */
|
||||
|
||||
|
||||
#undef WIN32_LEAN_AND_MEAN
|
||||
|
|
@ -1057,6 +1057,7 @@ FontFamilyFillInfo(PFONTFAMILYINFO Info, PCWSTR FaceName, PFONTGDI FontGDI)
|
|||
Lf->lfHeight = TM->tmHeight;
|
||||
Lf->lfWidth = TM->tmAveCharWidth;
|
||||
Lf->lfWeight = TM->tmWeight;
|
||||
Lf->lfItalic = TM->tmItalic;
|
||||
Lf->lfPitchAndFamily = (TM->tmPitchAndFamily & 0xf1) + 1;
|
||||
Lf->lfCharSet = TM->tmCharSet;
|
||||
Lf->lfOutPrecision = OUT_STROKE_PRECIS;
|
||||
|
|
@ -2566,93 +2567,189 @@ NtGdiTextOut(
|
|||
return NtGdiExtTextOut(hDC, XStart, YStart, 0, NULL, String, Count, NULL);
|
||||
}
|
||||
|
||||
static UINT FASTCALL
|
||||
GetFontScore(LOGFONTW *LogFont, PUNICODE_STRING FaceName, PFONTGDI FontGDI)
|
||||
{
|
||||
ANSI_STRING EntryFaceNameA;
|
||||
UNICODE_STRING EntryFaceNameW;
|
||||
unsigned Size;
|
||||
OUTLINETEXTMETRICW *Otm;
|
||||
LONG WeightDiff;
|
||||
NTSTATUS Status;
|
||||
UINT Score = 1;
|
||||
|
||||
RtlInitAnsiString(&EntryFaceNameA, FontGDI->face->family_name);
|
||||
Status = RtlAnsiStringToUnicodeString(&EntryFaceNameW, &EntryFaceNameA, TRUE);
|
||||
if (NT_SUCCESS(Status))
|
||||
{
|
||||
if ((LF_FACESIZE - 1) * sizeof(WCHAR) < EntryFaceNameW.Length)
|
||||
{
|
||||
EntryFaceNameW.Length = (LF_FACESIZE - 1) * sizeof(WCHAR);
|
||||
EntryFaceNameW.Buffer[LF_FACESIZE - 1] = L'\0';
|
||||
}
|
||||
if (0 == RtlCompareUnicodeString(FaceName, &EntryFaceNameW, TRUE))
|
||||
{
|
||||
Score += 49;
|
||||
}
|
||||
RtlFreeUnicodeString(&EntryFaceNameW);
|
||||
}
|
||||
|
||||
Size = IntGetOutlineTextMetrics(FontGDI, 0, NULL);
|
||||
Otm = ExAllocatePoolWithTag(PagedPool, Size, TAG_GDITEXT);
|
||||
if (NULL == Otm)
|
||||
{
|
||||
return Score;
|
||||
}
|
||||
IntGetOutlineTextMetrics(FontGDI, Size, Otm);
|
||||
|
||||
if ((0 != LogFont->lfItalic && 0 != Otm->otmTextMetrics.tmItalic) ||
|
||||
(0 == LogFont->lfItalic && 0 == Otm->otmTextMetrics.tmItalic))
|
||||
{
|
||||
Score += 25;
|
||||
}
|
||||
if (LogFont->lfWeight < Otm->otmTextMetrics.tmWeight)
|
||||
{
|
||||
WeightDiff = Otm->otmTextMetrics.tmWeight - LogFont->lfWeight;
|
||||
}
|
||||
else
|
||||
{
|
||||
WeightDiff = LogFont->lfWeight - Otm->otmTextMetrics.tmWeight;
|
||||
}
|
||||
Score += (1000 - WeightDiff) / (1000 / 25);
|
||||
|
||||
ExFreePool(Otm);
|
||||
|
||||
return Score;
|
||||
}
|
||||
|
||||
static VOID FASTCALL
|
||||
FindBestFontFromList(HFONT *Font, UINT *MatchScore, LOGFONTW *LogFont,
|
||||
PUNICODE_STRING FaceName, PLIST_ENTRY Head)
|
||||
{
|
||||
PLIST_ENTRY Entry;
|
||||
PFONT_ENTRY CurrentEntry;
|
||||
PFONTGDI FontGDI;
|
||||
UINT Score;
|
||||
|
||||
Entry = Head->Flink;
|
||||
while (Entry != Head)
|
||||
{
|
||||
CurrentEntry = (PFONT_ENTRY) CONTAINING_RECORD(Entry, FONT_ENTRY, ListEntry);
|
||||
if (NULL == (FontGDI = AccessInternalObject((ULONG) CurrentEntry->hFont)))
|
||||
{
|
||||
Entry = Entry->Flink;
|
||||
continue;
|
||||
}
|
||||
Score = GetFontScore(LogFont, FaceName, FontGDI);
|
||||
if (*MatchScore < Score)
|
||||
{
|
||||
*Font = CurrentEntry->hFont;
|
||||
*MatchScore = Score;
|
||||
}
|
||||
Entry = Entry->Flink;
|
||||
}
|
||||
}
|
||||
|
||||
static BOOLEAN FASTCALL
|
||||
SubstituteFontFamilyKey(PUNICODE_STRING FaceName,
|
||||
LPCWSTR Key)
|
||||
{
|
||||
RTL_QUERY_REGISTRY_TABLE QueryTable[2];
|
||||
NTSTATUS Status;
|
||||
UNICODE_STRING Value;
|
||||
|
||||
RtlInitUnicodeString(&Value, NULL);
|
||||
|
||||
QueryTable[0].QueryRoutine = NULL;
|
||||
QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_QUERY_REGISTRY_NOEXPAND |
|
||||
RTL_QUERY_REGISTRY_REQUIRED;
|
||||
QueryTable[0].Name = FaceName->Buffer;
|
||||
QueryTable[0].EntryContext = &Value;
|
||||
QueryTable[0].DefaultType = REG_NONE;
|
||||
QueryTable[0].DefaultData = NULL;
|
||||
QueryTable[0].DefaultLength = 0;
|
||||
|
||||
QueryTable[1].QueryRoutine = NULL;
|
||||
QueryTable[1].Name = NULL;
|
||||
|
||||
Status = RtlQueryRegistryValues(RTL_REGISTRY_WINDOWS_NT,
|
||||
Key,
|
||||
QueryTable,
|
||||
NULL,
|
||||
NULL);
|
||||
if (NT_SUCCESS(Status))
|
||||
{
|
||||
RtlFreeUnicodeString(FaceName);
|
||||
*FaceName = Value;
|
||||
}
|
||||
|
||||
return NT_SUCCESS(Status);
|
||||
}
|
||||
|
||||
static void FASTCALL
|
||||
SubstituteFontFamily(PUNICODE_STRING FaceName, UINT Level)
|
||||
{
|
||||
if (10 < Level) /* Enough is enough */
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
if (SubstituteFontFamilyKey(FaceName, L"SysFontSubstitutes") ||
|
||||
SubstituteFontFamilyKey(FaceName, L"FontSubstitutes"))
|
||||
{
|
||||
SubstituteFontFamily(FaceName, Level + 1);
|
||||
}
|
||||
}
|
||||
|
||||
NTSTATUS FASTCALL
|
||||
TextIntRealizeFont(HFONT FontHandle)
|
||||
{
|
||||
NTSTATUS Status = STATUS_SUCCESS;
|
||||
PTEXTOBJ TextObj;
|
||||
UNICODE_STRING FaceName;
|
||||
PLIST_ENTRY Entry;
|
||||
PFONT_ENTRY CurrentEntry;
|
||||
PW32PROCESS Win32Process;
|
||||
BOOL Private = FALSE;
|
||||
UINT MatchScore;
|
||||
|
||||
TextObj = TEXTOBJ_LockText(FontHandle);
|
||||
ASSERT(TextObj);
|
||||
if (NULL != TextObj)
|
||||
if (NULL == TextObj)
|
||||
{
|
||||
RtlInitUnicodeString(&FaceName, TextObj->logfont.lfFaceName);
|
||||
|
||||
/* find font in private fonts */
|
||||
Win32Process = PsGetWin32Process();
|
||||
|
||||
IntLockProcessPrivateFonts(Win32Process);
|
||||
|
||||
Entry = Win32Process->PrivateFontListHead.Flink;
|
||||
while(Entry != &Win32Process->PrivateFontListHead)
|
||||
{
|
||||
CurrentEntry = (PFONT_ENTRY)CONTAINING_RECORD(Entry, FONT_ENTRY, ListEntry);
|
||||
|
||||
if (0 == RtlCompareUnicodeString(&CurrentEntry->FaceName, &FaceName, TRUE))
|
||||
{
|
||||
TextObj->GDIFontHandle = CurrentEntry->hFont;
|
||||
Private = TRUE;
|
||||
goto check;
|
||||
}
|
||||
Entry = Entry->Flink;
|
||||
return STATUS_INVALID_HANDLE;
|
||||
}
|
||||
IntUnLockProcessPrivateFonts(Win32Process);
|
||||
|
||||
/* find font in system fonts */
|
||||
IntLockGlobalFonts;
|
||||
|
||||
Entry = FontListHead.Flink;
|
||||
while(Entry != &FontListHead)
|
||||
{
|
||||
CurrentEntry = (PFONT_ENTRY)CONTAINING_RECORD(Entry, FONT_ENTRY, ListEntry);
|
||||
|
||||
if (0 == RtlCompareUnicodeString(&CurrentEntry->FaceName, &FaceName, TRUE))
|
||||
{
|
||||
TextObj->GDIFontHandle = CurrentEntry->hFont;
|
||||
break;
|
||||
}
|
||||
Entry = Entry->Flink;
|
||||
}
|
||||
|
||||
check:
|
||||
if (NULL == TextObj->GDIFontHandle)
|
||||
{
|
||||
Entry = (Private ? Win32Process->PrivateFontListHead.Flink : FontListHead.Flink);
|
||||
|
||||
if(Entry != (Private ? &Win32Process->PrivateFontListHead : &FontListHead))
|
||||
{
|
||||
DPRINT("Requested font %S not found, using first available font\n",
|
||||
TextObj->logfont.lfFaceName)
|
||||
CurrentEntry = (PFONT_ENTRY)CONTAINING_RECORD(Entry, FONT_ENTRY, ListEntry);
|
||||
TextObj->GDIFontHandle = CurrentEntry->hFont;
|
||||
}
|
||||
else
|
||||
{
|
||||
DPRINT1("Requested font %S not found, no fonts loaded at all\n",
|
||||
TextObj->logfont.lfFaceName);
|
||||
Status = STATUS_NOT_FOUND;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if(Private)
|
||||
IntUnLockProcessPrivateFonts(Win32Process);
|
||||
else
|
||||
IntUnLockGlobalFonts;
|
||||
|
||||
ASSERT(! NT_SUCCESS(Status) || NULL != TextObj->GDIFontHandle);
|
||||
if (! RtlCreateUnicodeString(&FaceName, TextObj->logfont.lfFaceName))
|
||||
{
|
||||
TEXTOBJ_UnlockText(FontHandle);
|
||||
return STATUS_NO_MEMORY;
|
||||
}
|
||||
SubstituteFontFamily(&FaceName, 0);
|
||||
MatchScore = 0;
|
||||
TextObj->GDIFontHandle = NULL;
|
||||
|
||||
/* First search private fonts */
|
||||
Win32Process = PsGetWin32Process();
|
||||
IntLockProcessPrivateFonts(Win32Process);
|
||||
FindBestFontFromList(&TextObj->GDIFontHandle, &MatchScore,
|
||||
&TextObj->logfont, &FaceName,
|
||||
&Win32Process->PrivateFontListHead);
|
||||
IntUnLockProcessPrivateFonts(Win32Process);
|
||||
|
||||
/* Search system fonts */
|
||||
IntLockGlobalFonts;
|
||||
FindBestFontFromList(&TextObj->GDIFontHandle, &MatchScore,
|
||||
&TextObj->logfont, &FaceName,
|
||||
&FontListHead);
|
||||
IntUnLockGlobalFonts;
|
||||
|
||||
TEXTOBJ_UnlockText(FontHandle);
|
||||
}
|
||||
else
|
||||
{
|
||||
Status = STATUS_INVALID_HANDLE;
|
||||
}
|
||||
if (NULL == TextObj->GDIFontHandle)
|
||||
{
|
||||
DPRINT1("Requested font %S not found, no fonts loaded at all\n",
|
||||
TextObj->logfont.lfFaceName);
|
||||
Status = STATUS_NOT_FOUND;
|
||||
}
|
||||
|
||||
RtlFreeUnicodeString(&FaceName);
|
||||
TEXTOBJ_UnlockText(FontHandle);
|
||||
ASSERT(! NT_SUCCESS(Status) || NULL != TextObj->GDIFontHandle);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue