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[WIN32K] -Reduce the ridiculous number of string allocations done by FindBestFontFromList and GetFontPenalty. CORE-13274

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svn path=/trunk/; revision=74613
This commit is contained in:
Giannis Adamopoulos 2017-05-21 16:47:07 +00:00
parent 275c4e77d8
commit 7fe1fd0766
1 changed files with 30 additions and 125 deletions
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155
reactos/win32ss/gdi/ntgdi/freetype.c
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@ -2323,46 +2323,22 @@ FontFamilyFillInfo(PFONTFAMILYINFO Info, LPCWSTR FaceName,
if (0 == (TM->tmPitchAndFamily & TMPF_VECTOR))
Info->FontType |= RASTER_FONTTYPE;
ExFreePoolWithTag(Otm, GDITAG_TEXT);
/* face name */
if (FaceName)
{
RtlStringCbCopyW(Lf->lfFaceName, sizeof(Lf->lfFaceName), FaceName);
}
else
{
status = IntGetFontLocalizedName(&NameW, SharedFace, TT_NAME_ID_FONT_FAMILY,
gusLanguageID);
if (NT_SUCCESS(status))
{
/* store it */
RtlStringCbCopyW(Lf->lfFaceName, sizeof(Lf->lfFaceName),
NameW.Buffer);
RtlFreeUnicodeString(&NameW);
}
}
if (!FaceName)
FaceName = (WCHAR*)((ULONG_PTR)Otm + (ULONG_PTR)Otm->otmpFamilyName);
RtlStringCbCopyW(Lf->lfFaceName, sizeof(Lf->lfFaceName), FaceName);
/* full name */
if (FullName)
{
RtlStringCbCopyW(Info->EnumLogFontEx.elfFullName,
sizeof(Info->EnumLogFontEx.elfFullName),
FullName);
}
else
{
status = IntGetFontLocalizedName(&NameW, SharedFace, TT_NAME_ID_FULL_NAME,
gusLanguageID);
if (NT_SUCCESS(status))
{
/* store it */
RtlStringCbCopyW(Info->EnumLogFontEx.elfFullName,
sizeof(Info->EnumLogFontEx.elfFullName),
NameW.Buffer);
RtlFreeUnicodeString(&NameW);
}
}
if (!FullName)
FullName = (WCHAR*)((ULONG_PTR) Otm + (ULONG_PTR)Otm->otmpFaceName);
RtlStringCbCopyW(Info->EnumLogFontEx.elfFullName,
sizeof(Info->EnumLogFontEx.elfFullName),
FullName);
ExFreePoolWithTag(Otm, GDITAG_TEXT);
RtlInitAnsiString(&StyleA, Face->style_name);
StyleW.Buffer = Info->EnumLogFontEx.elfStyle;
@ -4059,12 +4035,8 @@ ftGdiGetFontData(
static UINT FASTCALL
GetFontPenalty(LOGFONTW * LogFont,
PUNICODE_STRING RequestedNameW,
PUNICODE_STRING ActualNameW,
PUNICODE_STRING FullFaceNameW,
BYTE RequestedCharSet,
PFONTGDI FontGDI,
OUTLINETEXTMETRICW * Otm,
TEXTMETRICW * TM,
const char * style_name)
{
ULONG Penalty = 0;
@ -4072,7 +4044,8 @@ GetFontPenalty(LOGFONTW * LogFont,
LONG Long;
BOOL fFixedSys = FALSE, fNeedScaling = FALSE;
const BYTE UserCharSet = CharSetFromLangID(gusLanguageID);
NTSTATUS Status;
TEXTMETRICW * TM = &Otm->otmTextMetrics;
UNICODE_STRING ActualNameW;
/* FIXME: Aspect Penalty 30 */
/* FIXME: IntSizeSynth Penalty 20 */
@ -4206,53 +4179,22 @@ GetFontPenalty(LOGFONTW * LogFont,
}
}
RtlInitUnicodeString(&ActualNameW, (WCHAR*)((ULONG_PTR)Otm + (ULONG_PTR)Otm->otmpFamilyName));
if (RequestedNameW->Buffer[0])
{
BOOL Found = FALSE;
PSHARED_FACE SharedFace = FontGDI->SharedFace;
/* localized family name */
if (!Found)
{
Status = IntGetFontLocalizedName(ActualNameW, SharedFace, TT_NAME_ID_FONT_FAMILY,
gusLanguageID);
if (NT_SUCCESS(Status))
{
Found = RtlEqualUnicodeString(RequestedNameW, ActualNameW, TRUE);
}
Found = RtlEqualUnicodeString(RequestedNameW, &ActualNameW, TRUE);
}
/* localized full name */
if (!Found)
{
Status = IntGetFontLocalizedName(ActualNameW, SharedFace, TT_NAME_ID_FULL_NAME,
gusLanguageID);
if (NT_SUCCESS(Status))
{
Found = RtlEqualUnicodeString(RequestedNameW, ActualNameW, TRUE);
}
}
if (gusLanguageID != gusEnglishUS)
{
/* English family name */
if (!Found)
{
Status = IntGetFontLocalizedName(ActualNameW, SharedFace, TT_NAME_ID_FONT_FAMILY,
gusEnglishUS);
if (NT_SUCCESS(Status))
{
Found = RtlEqualUnicodeString(RequestedNameW, ActualNameW, TRUE);
}
}
/* English full name */
if (!Found)
{
Status = IntGetFontLocalizedName(ActualNameW, SharedFace, TT_NAME_ID_FULL_NAME,
gusEnglishUS);
if (NT_SUCCESS(Status))
{
Found = RtlEqualUnicodeString(RequestedNameW, ActualNameW, TRUE);
}
}
RtlInitUnicodeString(&ActualNameW, (WCHAR*)((ULONG_PTR)Otm + (ULONG_PTR)Otm->otmpFaceName));
Found = RtlEqualUnicodeString(RequestedNameW, &ActualNameW, TRUE);
}
if (!Found)
{
@ -4451,7 +4393,7 @@ GetFontPenalty(LOGFONTW * LogFont,
DPRINT("WARNING: Penalty:%ld < 200: RequestedNameW:%ls, "
"ActualNameW:%ls, lfCharSet:%d, lfWeight:%ld, "
"tmCharSet:%d, tmWeight:%ld\n",
Penalty, RequestedNameW->Buffer, ActualNameW->Buffer,
Penalty, RequestedNameW->Buffer, ActualNameW.Buffer,
LogFont->lfCharSet, LogFont->lfWeight,
TM->tmCharSet, TM->tmWeight);
}
@ -4462,21 +4404,16 @@ GetFontPenalty(LOGFONTW * LogFont,
static __inline VOID
FindBestFontFromList(FONTOBJ **FontObj, ULONG *MatchPenalty, LOGFONTW *LogFont,
PUNICODE_STRING pRequestedNameW,
PUNICODE_STRING pActualNameW, BYTE RequestedCharSet,
BYTE RequestedCharSet,
PLIST_ENTRY Head)
{
ULONG Penalty;
NTSTATUS Status;
PLIST_ENTRY Entry;
PFONT_ENTRY CurrentEntry;
FONTGDI *FontGDI;
ANSI_STRING ActualNameA;
UNICODE_STRING ActualNameW, FullFaceNameW;
OUTLINETEXTMETRICW *Otm = NULL;
UINT OtmSize, OldOtmSize = 0;
TEXTMETRICW *TM;
FT_Face Face;
LPBYTE pb;
ASSERT(FontObj);
ASSERT(MatchPenalty);
@ -4484,6 +4421,10 @@ FindBestFontFromList(FONTOBJ **FontObj, ULONG *MatchPenalty, LOGFONTW *LogFont,
ASSERT(pRequestedNameW);
ASSERT(Head);
/* Start with a pretty big buffer */
OldOtmSize = 0x200;
Otm = ExAllocatePoolWithTag(PagedPool, OldOtmSize, GDITAG_TEXT);
/* get the FontObj of lowest penalty */
Entry = Head->Flink;
while (Entry != Head)
@ -4495,14 +4436,6 @@ FindBestFontFromList(FONTOBJ **FontObj, ULONG *MatchPenalty, LOGFONTW *LogFont,
ASSERT(FontGDI);
Face = FontGDI->SharedFace->Face;
/* create actual name */
RtlInitAnsiString(&ActualNameA, Face->family_name);
Status = RtlAnsiStringToUnicodeString(&ActualNameW, &ActualNameA, TRUE);
if (!NT_SUCCESS(Status))
{
continue;
}
/* get text metrics */
OtmSize = IntGetOutlineTextMetrics(FontGDI, 0, NULL);
if (OtmSize > OldOtmSize)
@ -4516,37 +4449,16 @@ FindBestFontFromList(FONTOBJ **FontObj, ULONG *MatchPenalty, LOGFONTW *LogFont,
if (Otm)
{
IntGetOutlineTextMetrics(FontGDI, OtmSize, Otm);
TM = &Otm->otmTextMetrics;
OldOtmSize = OtmSize;
/* create full name */
pb = (LPBYTE)Otm + (WORD)(DWORD_PTR)Otm->otmpFullName;
Status = RtlCreateUnicodeString(&FullFaceNameW, (LPWSTR)pb);
if (!NT_SUCCESS(Status))
{
RtlFreeUnicodeString(&ActualNameW);
RtlFreeUnicodeString(&FullFaceNameW);
continue;
}
Penalty = GetFontPenalty(LogFont, pRequestedNameW, &ActualNameW,
&FullFaceNameW, RequestedCharSet,
FontGDI, Otm, TM, Face->style_name);
Penalty = GetFontPenalty(LogFont, pRequestedNameW, RequestedCharSet,
Otm, Face->style_name);
if (*MatchPenalty == 0xFFFFFFFF || Penalty < *MatchPenalty)
{
DPRINT("%ls Penalty: %lu\n", FullFaceNameW.Buffer, Penalty);
RtlFreeUnicodeString(pActualNameW);
RtlCreateUnicodeString(pActualNameW, ActualNameW.Buffer);
*FontObj = GDIToObj(FontGDI, FONT);
*MatchPenalty = Penalty;
}
RtlFreeUnicodeString(&FullFaceNameW);
}
/* free strings */
RtlFreeUnicodeString(&ActualNameW);
}
if (Otm)
@ -4591,7 +4503,7 @@ TextIntRealizeFont(HFONT FontHandle, PTEXTOBJ pTextObj)
{
NTSTATUS Status = STATUS_SUCCESS;
PTEXTOBJ TextObj;
UNICODE_STRING ActualNameW, RequestedNameW;
UNICODE_STRING RequestedNameW;
PPROCESSINFO Win32Process;
ULONG MatchPenalty;
LOGFONTW *pLogFont;
@ -4617,8 +4529,6 @@ TextIntRealizeFont(HFONT FontHandle, PTEXTOBJ pTextObj)
TextObj = pTextObj;
}
RtlInitUnicodeString(&ActualNameW, NULL);
pLogFont = &TextObj->logfont.elfEnumLogfontEx.elfLogFont;
if (!RtlCreateUnicodeString(&RequestedNameW, pLogFont->lfFaceName))
{
@ -4641,14 +4551,14 @@ TextIntRealizeFont(HFONT FontHandle, PTEXTOBJ pTextObj)
/* Search private fonts */
IntLockProcessPrivateFonts(Win32Process);
FindBestFontFromList(&TextObj->Font, &MatchPenalty, pLogFont,
&RequestedNameW, &ActualNameW, RequestedCharSet,
&RequestedNameW, RequestedCharSet,
&Win32Process->PrivateFontListHead);
IntUnLockProcessPrivateFonts(Win32Process);
/* Search system fonts */
IntLockGlobalFonts;
FindBestFontFromList(&TextObj->Font, &MatchPenalty, pLogFont,
&RequestedNameW, &ActualNameW, RequestedCharSet,
&RequestedNameW, RequestedCharSet,
&FontListHead);
IntUnLockGlobalFonts;
@ -4683,14 +4593,9 @@ TextIntRealizeFont(HFONT FontHandle, PTEXTOBJ pTextObj)
TextObj->fl |= TEXTOBJECT_INIT;
Status = STATUS_SUCCESS;
DPRINT("RequestedNameW: %ls (CharSet: %d) -> ActualNameW: %ls (CharSet: %d)\n",
RequestedNameW.Buffer, pLogFont->lfCharSet,
ActualNameW.Buffer, FontGdi->CharSet);
}
RtlFreeUnicodeString(&RequestedNameW);
RtlFreeUnicodeString(&ActualNameW);
if (!pTextObj) TEXTOBJ_UnlockText(TextObj);
ASSERT((NT_SUCCESS(Status) ^ (NULL == TextObj->Font)) != 0);