static UNICODE_STRING FontRegPath =
RTL_CONSTANT_STRING(L"\\REGISTRY\\Machine\\Software\\Microsoft\\Windows NT\\CurrentVersion\\Fonts");
-static PSHARED_FACE
-SharedFace_Create(FT_Face Face)
-{
- PSHARED_FACE Ptr;
- Ptr = ExAllocatePoolWithTag(PagedPool, sizeof(SHARED_FACE), TAG_FONT);
- if (Ptr)
- {
- Ptr->Face = Face;
- Ptr->RefCount = 1;
- }
- return Ptr;
-}
-
-static void
-SharedFace_AddRef(PSHARED_FACE Ptr)
-{
- ++Ptr->RefCount;
-}
-
-static void
-SharedFace_Release(PSHARED_FACE Ptr)
-{
- if (Ptr->RefCount <= 0)
- return;
-
- --Ptr->RefCount;
- if (Ptr->RefCount == 0)
- {
- FT_Done_Face(Ptr->Face);
- ExFreePoolWithTag(Ptr, TAG_FONT);
- }
-}
-
/* The FreeType library is not thread safe, so we have
to serialize access to it */
#define IntUnLockGlobalFonts \
ExReleaseFastMutexUnsafeAndLeaveCriticalRegion(FontListLock)
+#define ASSERT_GLOBALFONTS_LOCK_HELD() \
+ ASSERT(FreeTypeLock->Owner == KeGetCurrentThread())
+
#define IntLockFreeType \
ExEnterCriticalRegionAndAcquireFastMutexUnsafe(FreeTypeLock)
#define IntUnLockFreeType \
ExReleaseFastMutexUnsafeAndLeaveCriticalRegion(FreeTypeLock)
+#define ASSERT_FREETYPE_LOCK_HELD() \
+ ASSERT(FreeTypeLock->Owner == KeGetCurrentThread())
+
#define MAX_FONT_CACHE 256
static LIST_ENTRY FontCacheListHead;
/* list head */
static RTL_STATIC_LIST_HEAD(FontSubstListHead);
+static void
+SharedMem_AddRef(PSHARED_MEM Ptr)
+{
+ ASSERT_FREETYPE_LOCK_HELD();
+
+ ++Ptr->RefCount;
+}
+
+static PSHARED_FACE
+SharedFace_Create(FT_Face Face, PSHARED_MEM Memory)
+{
+ PSHARED_FACE Ptr;
+ Ptr = ExAllocatePoolWithTag(PagedPool, sizeof(SHARED_FACE), TAG_FONT);
+ if (Ptr)
+ {
+ Ptr->Face = Face;
+ Ptr->RefCount = 1;
+ Ptr->Memory = Memory;
+ SharedMem_AddRef(Memory);
+ DPRINT("Creating SharedFace for %s\n", Face->family_name);
+ }
+ return Ptr;
+}
+
+static PSHARED_MEM
+SharedMem_Create(PBYTE Buffer, ULONG BufferSize, BOOL IsMapping)
+{
+ PSHARED_MEM Ptr;
+ Ptr = ExAllocatePoolWithTag(PagedPool, sizeof(SHARED_MEM), TAG_FONT);
+ if (Ptr)
+ {
+ Ptr->Buffer = Buffer;
+ Ptr->BufferSize = BufferSize;
+ Ptr->RefCount = 1;
+ Ptr->IsMapping = IsMapping;
+ DPRINT("Creating SharedMem for %p (%i, %p)\n", Buffer, IsMapping, Ptr);
+ }
+ return Ptr;
+}
+
+static void
+SharedFace_AddRef(PSHARED_FACE Ptr)
+{
+ ASSERT_FREETYPE_LOCK_HELD();
+
+ ++Ptr->RefCount;
+}
+
+static void
+RemoveCachedEntry(PFONT_CACHE_ENTRY Entry)
+{
+ ASSERT_FREETYPE_LOCK_HELD();
+
+ FT_Done_Glyph((FT_Glyph)Entry->BitmapGlyph);
+ RemoveEntryList(&Entry->ListEntry);
+ ExFreePoolWithTag(Entry, TAG_FONT);
+ FontCacheNumEntries--;
+ ASSERT(FontCacheNumEntries <= MAX_FONT_CACHE);
+}
+
+static void
+RemoveCacheEntries(FT_Face Face)
+{
+ PLIST_ENTRY CurrentEntry;
+ PFONT_CACHE_ENTRY FontEntry;
+
+ ASSERT_FREETYPE_LOCK_HELD();
+
+ CurrentEntry = FontCacheListHead.Flink;
+ while (CurrentEntry != &FontCacheListHead)
+ {
+ FontEntry = CONTAINING_RECORD(CurrentEntry, FONT_CACHE_ENTRY, ListEntry);
+ CurrentEntry = CurrentEntry->Flink;
+
+ if (FontEntry->Face == Face)
+ {
+ RemoveCachedEntry(FontEntry);
+ }
+ }
+}
+
+static void SharedMem_Release(PSHARED_MEM Ptr)
+{
+ ASSERT_FREETYPE_LOCK_HELD();
+ ASSERT(Ptr->RefCount > 0);
+
+ if (Ptr->RefCount <= 0)
+ return;
+
+ --Ptr->RefCount;
+ if (Ptr->RefCount == 0)
+ {
+ DPRINT("Releasing SharedMem for %p (%i, %p)\n", Ptr->Buffer, Ptr->IsMapping, Ptr);
+ if (Ptr->IsMapping)
+ MmUnmapViewInSystemSpace(Ptr->Buffer);
+ else
+ ExFreePoolWithTag(Ptr->Buffer, TAG_FONT);
+ ExFreePoolWithTag(Ptr, TAG_FONT);
+ }
+}
+
+static void
+SharedFace_Release(PSHARED_FACE Ptr)
+{
+ IntLockFreeType;
+ ASSERT(Ptr->RefCount > 0);
+
+ if (Ptr->RefCount <= 0)
+ return;
+
+ --Ptr->RefCount;
+ if (Ptr->RefCount == 0)
+ {
+ DPRINT("Releasing SharedFace for %s\n", Ptr->Face->family_name);
+ RemoveCacheEntries(Ptr->Face);
+ FT_Done_Face(Ptr->Face);
+ SharedMem_Release(Ptr->Memory);
+ ExFreePoolWithTag(Ptr, TAG_FONT);
+ }
+ IntUnLockFreeType;
+}
+
+
/*
* IntLoadFontSubstList --- loads the list of font substitutes
*/
FT_Face Face;
ANSI_STRING AnsiFaceName;
FT_WinFNT_HeaderRec WinFNT;
- INT FontCount = 0, CharSetCount = 0;
+ INT FaceCount = 0, CharSetCount = 0;
PUNICODE_STRING pFileName = pLoadFont->pFileName;
- PVOID Buffer = pLoadFont->Buffer;
- ULONG BufferSize = pLoadFont->BufferSize;
DWORD Characteristics = pLoadFont->Characteristics;
PUNICODE_STRING pValueName = &pLoadFont->RegValueName;
TT_OS2 * pOS2;
IntLockFreeType;
Error = FT_New_Memory_Face(
library,
- Buffer,
- BufferSize,
+ pLoadFont->Memory->Buffer,
+ pLoadFont->Memory->BufferSize,
((FontIndex != -1) ? FontIndex : 0),
&Face);
+
+ if (!Error)
+ SharedFace = SharedFace_Create(Face, pLoadFont->Memory);
+
IntUnLockFreeType;
if (FT_IS_SFNT(Face))
pLoadFont->IsTrueType = TRUE;
- if (!Error)
- SharedFace = SharedFace_Create(Face);
if (Error || SharedFace == NULL)
{
+ if (SharedFace)
+ SharedFace_Release(SharedFace);
+
if (Error == FT_Err_Unknown_File_Format)
DPRINT1("Unknown font file format\n");
else
- DPRINT1("Error reading font file (error code: %d)\n", Error);
+ DPRINT1("Error reading font (error code: %d)\n", Error);
return 0; /* failure */
}
}
else
{
Face = SharedFace->Face;
+ IntLockFreeType;
SharedFace_AddRef(SharedFace);
+ IntUnLockFreeType;
}
/* allocate a FONT_ENTRY */
FontGDI->CharSet = SYMBOL_CHARSET;
}
- ++FontCount;
+ ++FaceCount;
DPRINT("Font loaded: %s (%s)\n", Face->family_name, Face->style_name);
DPRINT("Num glyphs: %d\n", Face->num_glyphs);
DPRINT("CharSet: %d\n", FontGDI->CharSet);
FT_Long i;
for (i = 1; i < TrueType->ttc_header.count; ++i)
{
- FontCount += IntGdiLoadFontsFromMemory(pLoadFont, NULL, i, -1);
+ FaceCount += IntGdiLoadFontsFromMemory(pLoadFont, NULL, i, -1);
}
}
}
for (i = 1; i < CharSetCount; ++i)
{
- FontCount += IntGdiLoadFontsFromMemory(pLoadFont, SharedFace, FontIndex, i);
+ /* Do not count charsets towards 'faces' loaded */
+ IntGdiLoadFontsFromMemory(pLoadFont, SharedFace, FontIndex, i);
}
}
- return FontCount; /* number of loaded fonts */
+ return FaceCount; /* number of loaded faces */
}
/*
}
LoadFont.pFileName = FileName;
- LoadFont.Buffer = Buffer;
- LoadFont.BufferSize = ViewSize;
+ LoadFont.Memory = SharedMem_Create(Buffer, ViewSize, TRUE);
LoadFont.Characteristics = Characteristics;
RtlInitUnicodeString(&LoadFont.RegValueName, NULL);
LoadFont.IsTrueType = FALSE;
ObDereferenceObject(SectionObject);
+ /* Release our copy */
+ IntLockFreeType;
+ SharedMem_Release(LoadFont.Memory);
+ IntUnLockFreeType;
+
if (FontCount > 0)
{
if (LoadFont.IsTrueType)
{
GDI_LOAD_FONT LoadFont;
FONT_ENTRY_COLL_MEM* EntryCollection;
- INT FontCount;
+ INT FaceCount;
HANDLE Ret = 0;
- /* We leak this buffer for now, same as all fonts do with their buffer! */
- LoadFont.Buffer = ExAllocatePoolWithTag(PagedPool, dwSize, TAG_FONT);
- if (!LoadFont.Buffer)
+ PVOID BufferCopy = ExAllocatePoolWithTag(PagedPool, dwSize, TAG_FONT);
+
+ if (!BufferCopy)
{
*pNumAdded = 0;
return NULL;
}
- memcpy(LoadFont.Buffer, Buffer, dwSize);
+ memcpy(BufferCopy, Buffer, dwSize);
LoadFont.pFileName = NULL;
- LoadFont.BufferSize = dwSize;
+ LoadFont.Memory = SharedMem_Create(BufferCopy, dwSize, FALSE);
LoadFont.Characteristics = FR_PRIVATE | FR_NOT_ENUM;
RtlInitUnicodeString(&LoadFont.RegValueName, NULL);
LoadFont.IsTrueType = FALSE;
LoadFont.PrivateEntry = NULL;
- FontCount = IntGdiLoadFontsFromMemory(&LoadFont, NULL, -1, -1);
+ FaceCount = IntGdiLoadFontsFromMemory(&LoadFont, NULL, -1, -1);
RtlFreeUnicodeString(&LoadFont.RegValueName);
- *pNumAdded = FontCount;
- if (FontCount > 0)
+ /* Release our copy */
+ IntLockFreeType;
+ SharedMem_Release(LoadFont.Memory);
+ IntUnLockFreeType;
+
+ if (FaceCount > 0)
{
EntryCollection = ExAllocatePoolWithTag(PagedPool, sizeof(FONT_ENTRY_COLL_MEM), TAG_FONT);
if (EntryCollection)
Ret = (HANDLE)EntryCollection->Handle;
}
}
+ *pNumAdded = FaceCount;
return Ret;
}
// FIXME: Add RemoveFontResource
+static VOID FASTCALL
+CleanupFontEntry(PFONT_ENTRY FontEntry)
+{
+ PFONTGDI FontGDI = FontEntry->Font;
+ PSHARED_FACE SharedFace = FontGDI->SharedFace;
+
+ if (FontGDI->Filename)
+ ExFreePoolWithTag(FontGDI->Filename, GDITAG_PFF);
+
+ EngFreeMem(FontGDI);
+ SharedFace_Release(SharedFace);
+ ExFreePoolWithTag(FontEntry, TAG_FONT);
+}
+
VOID FASTCALL
IntGdiCleanupMemEntry(PFONT_ENTRY_MEM Head)
{
Entry = RemoveHeadList(&Head->ListEntry);
FontEntry = CONTAINING_RECORD(Entry, FONT_ENTRY_MEM, ListEntry);
- // Delete FontEntry->Entry (FONT_ENTRY*)
+ CleanupFontEntry(FontEntry->Entry);
ExFreePoolWithTag(FontEntry, TAG_FONT);
}
- // Delete Head->Entry (FONT_ENTRY*)
+ CleanupFontEntry(Head->Entry);
ExFreePoolWithTag(Head, TAG_FONT);
}
+static VOID FASTCALL
+UnlinkFontMemCollection(PFONT_ENTRY_COLL_MEM Collection)
+{
+ PFONT_ENTRY_MEM FontMemEntry = Collection->Entry;
+ PLIST_ENTRY ListEntry;
+ RemoveEntryList(&Collection->ListEntry);
+
+ do {
+ /* Also unlink the FONT_ENTRY stuff from the PrivateFontListHead */
+ RemoveEntryList(&FontMemEntry->Entry->ListEntry);
+
+ ListEntry = FontMemEntry->ListEntry.Flink;
+ FontMemEntry = CONTAINING_RECORD(ListEntry, FONT_ENTRY_MEM, ListEntry);
+
+ } while (FontMemEntry != Collection->Entry);
+}
+
BOOL FASTCALL
IntGdiRemoveFontMemResource(HANDLE hMMFont)
{
if (CurrentEntry->Handle == (UINT)hMMFont)
{
EntryCollection = CurrentEntry;
- RemoveEntryList(Entry);
+ UnlinkFontMemCollection(CurrentEntry);
break;
}
}
+VOID FASTCALL
+IntGdiCleanupPrivateFontsForProcess(VOID)
+{
+ PPROCESSINFO Win32Process = PsGetCurrentProcessWin32Process();
+ PLIST_ENTRY Entry;
+ PFONT_ENTRY_COLL_MEM EntryCollection;
+
+ DPRINT("IntGdiCleanupPrivateFontsForProcess()\n");
+ do {
+ Entry = NULL;
+ EntryCollection = NULL;
+
+ IntLockProcessPrivateFonts(Win32Process);
+ if (!IsListEmpty(&Win32Process->PrivateMemFontListHead))
+ {
+ Entry = Win32Process->PrivateMemFontListHead.Flink;
+ EntryCollection = CONTAINING_RECORD(Entry, FONT_ENTRY_COLL_MEM, ListEntry);
+ UnlinkFontMemCollection(EntryCollection);
+ }
+ IntUnLockProcessPrivateFonts(Win32Process);
+
+ if (EntryCollection)
+ {
+ IntGdiCleanupMemEntry(EntryCollection->Entry);
+ ExFreePoolWithTag(EntryCollection, TAG_FONT);
+ }
+ else
+ {
+ /* No Mem fonts anymore, see if we have any other private fonts left */
+ Entry = NULL;
+ IntLockProcessPrivateFonts(Win32Process);
+ if (!IsListEmpty(&Win32Process->PrivateFontListHead))
+ {
+ Entry = RemoveHeadList(&Win32Process->PrivateFontListHead);
+ }
+ IntUnLockProcessPrivateFonts(Win32Process);
+
+ if (Entry)
+ {
+ CleanupFontEntry(CONTAINING_RECORD(Entry, FONT_ENTRY, ListEntry));
+ }
+ }
+
+ } while (Entry);
+}
+
BOOL FASTCALL
IntIsFontRenderingEnabled(VOID)
{
Entry = Head->Flink;
while (Entry != Head)
{
- CurrentEntry = (PFONT_ENTRY) CONTAINING_RECORD(Entry, FONT_ENTRY, ListEntry);
+ CurrentEntry = CONTAINING_RECORD(Entry, FONT_ENTRY, ListEntry);
FontGDI = CurrentEntry->Font;
ASSERT(FontGDI);
PPROCESSINFO Win32Process;
PFONTGDI Font;
- /* Search the process local list */
+ /* Search the process local list.
+ We do not have to search the 'Mem' list, since those fonts are linked in the PrivateFontListHead */
Win32Process = PsGetCurrentProcessWin32Process();
IntLockProcessPrivateFonts(Win32Process);
Font = FindFaceNameInList(FaceName, &Win32Process->PrivateFontListHead);
PLIST_ENTRY CurrentEntry;
PFONT_CACHE_ENTRY FontEntry;
+ ASSERT_FREETYPE_LOCK_HELD();
+
CurrentEntry = FontCacheListHead.Flink;
while (CurrentEntry != &FontCacheListHead)
{
- FontEntry = (PFONT_CACHE_ENTRY)CurrentEntry;
+ FontEntry = CONTAINING_RECORD(CurrentEntry, FONT_CACHE_ENTRY, ListEntry);
if ((FontEntry->Face == Face) &&
(FontEntry->GlyphIndex == GlyphIndex) &&
(FontEntry->Height == Height) &&
FT_Bitmap AlignedBitmap;
FT_BitmapGlyph BitmapGlyph;
+ ASSERT_FREETYPE_LOCK_HELD();
+
error = FT_Get_Glyph(GlyphSlot, &GlyphCopy);
if (error)
{
NewEntry->mxWorldToDevice = *pmx;
InsertHeadList(&FontCacheListHead, &NewEntry->ListEntry);
- if (FontCacheNumEntries++ > MAX_FONT_CACHE)
+ if (++FontCacheNumEntries > MAX_FONT_CACHE)
{
- NewEntry = (PFONT_CACHE_ENTRY)FontCacheListHead.Blink;
- FT_Done_Glyph((FT_Glyph)NewEntry->BitmapGlyph);
- RemoveTailList(&FontCacheListHead);
- ExFreePoolWithTag(NewEntry, TAG_FONT);
- FontCacheNumEntries--;
+ NewEntry = CONTAINING_RECORD(FontCacheListHead.Blink, FONT_CACHE_ENTRY, ListEntry);
+ RemoveCachedEntry(NewEntry);
}
return BitmapGlyph;
Entry = Head->Flink;
while (Entry != Head)
{
- CurrentEntry = (PFONT_ENTRY) CONTAINING_RECORD(Entry, FONT_ENTRY, ListEntry);
+ CurrentEntry = CONTAINING_RECORD(Entry, FONT_ENTRY, ListEntry);
FontGDI = CurrentEntry->Font;
ASSERT(FontGDI);
Face = FontGDI->SharedFace->Face;
projects / reactos.git / blobdiff