mirror of
https://github.com/ApfelTeeSaft/reactos.git
synced 2026-09-03 04:13:31 +00:00
Serialize access to FreeType
svn path=/trunk/; revision=7248
This commit is contained in:
Gé van Geldorp
@@ -16,7 +16,7 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id: text.c,v 1.67 2003/12/26 00:31:22 weiden Exp $ */
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/* $Id: text.c,v 1.68 2003/12/26 10:43:08 gvg Exp $ */
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#undef WIN32_LEAN_AND_MEAN
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@@ -53,6 +53,10 @@ typedef struct _FONT_ENTRY {
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BYTE NotEnum;
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} FONT_ENTRY, *PFONT_ENTRY;
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/* The FreeType library is not thread safe, so we have
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to serialize access to it */
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static FAST_MUTEX FreeTypeLock;
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static LIST_ENTRY FontListHead;
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static FAST_MUTEX FontListLock;
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static INT FontsLoaded = 0; /* number of all fonts loaded (including private fonts */
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@@ -179,7 +183,9 @@ IntGdiAddFontResource(PUNICODE_STRING Filename, DWORD fl)
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ZwClose(FileHandle);
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ExAcquireFastMutex(&FreeTypeLock);
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error = FT_New_Memory_Face(library, buffer, size, 0, &face);
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ExReleaseFastMutex(&FreeTypeLock);
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if (error == FT_Err_Unknown_File_Format)
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{
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DPRINT1("Unknown font file format\n");
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@@ -259,6 +265,7 @@ BOOL FASTCALL InitFontSupport(VOID)
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InitializeListHead(&FontListHead);
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ExInitializeFastMutex(&FontListLock);
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ExInitializeFastMutex(&FreeTypeLock);
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error = FT_Init_FreeType(&library);
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if(error)
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@@ -584,16 +591,20 @@ NtGdiExtTextOut(HDC hDC, int XStart, int YStart, UINT fuOptions,
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}
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}
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if (!found) DPRINT1("WARNING: Could not find desired charmap!\n");
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ExAcquireFastMutex(&FreeTypeLock);
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error = FT_Set_Charmap(face, found);
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ExReleaseFastMutex(&FreeTypeLock);
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if (error) DPRINT1("WARNING: Could not set the charmap!\n");
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}
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ExAcquireFastMutex(&FreeTypeLock);
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error = FT_Set_Pixel_Sizes(face,
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/* FIXME should set character height if neg */
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(TextObj->logfont.lfHeight < 0 ?
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- TextObj->logfont.lfHeight :
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TextObj->logfont.lfHeight),
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TextObj->logfont.lfWidth);
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ExReleaseFastMutex(&FreeTypeLock);
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if(error) {
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DPRINT1("Error in setting pixel sizes: %u\n", error);
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goto fail;
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@@ -645,8 +656,10 @@ NtGdiExtTextOut(HDC hDC, int XStart, int YStart, UINT fuOptions,
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for(i=0; i<Count; i++)
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{
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ExAcquireFastMutex(&FreeTypeLock);
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glyph_index = FT_Get_Char_Index(face, *String);
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error = FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT);
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ExReleaseFastMutex(&FreeTypeLock);
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if(error) {
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DPRINT1("WARNING: Failed to load and render glyph! [index: %u]\n", glyph_index);
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goto fail;
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@@ -657,13 +670,17 @@ NtGdiExtTextOut(HDC hDC, int XStart, int YStart, UINT fuOptions,
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if (use_kerning && previous && glyph_index)
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{
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FT_Vector delta;
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ExAcquireFastMutex(&FreeTypeLock);
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FT_Get_Kerning(face, previous, glyph_index, 0, &delta);
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ExReleaseFastMutex(&FreeTypeLock);
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TextLeft += delta.x >> 6;
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}
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if (glyph->format == ft_glyph_format_outline)
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{
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ExAcquireFastMutex(&FreeTypeLock);
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error = FT_Render_Glyph(glyph, IntGetFontRenderMode(&TextObj->logfont));
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ExReleaseFastMutex(&FreeTypeLock);
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if(error) {
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DPRINT1("WARNING: Failed to render glyph!\n");
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goto fail;
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@@ -900,9 +917,12 @@ NtGdiGetCharWidth32(HDC hDC,
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return FALSE;
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}
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ExAcquireFastMutex(&FreeTypeLock);
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FT_Set_Charmap(face, found);
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ExReleaseFastMutex(&FreeTypeLock);
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}
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ExAcquireFastMutex(&FreeTypeLock);
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FT_Set_Pixel_Sizes(face,
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/* FIXME should set character height if neg */
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(TextObj->logfont.lfHeight < 0 ?
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@@ -916,6 +936,7 @@ NtGdiGetCharWidth32(HDC hDC,
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FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT);
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SafeBuffer[i] = face->glyph->advance.x >> 6;
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}
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ExReleaseFastMutex(&FreeTypeLock);
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TEXTOBJ_UnlockText(dc->w.hFont);
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MmCopyToCaller(Buffer, SafeBuffer, BufferSize);
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ExFreePool(SafeBuffer);
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@@ -1042,19 +1063,23 @@ TextIntGetTextExtentPoint(PTEXTOBJ TextObj,
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DPRINT1("WARNING: Could not find desired charmap!\n");
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}
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ExAcquireFastMutex(&FreeTypeLock);
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error = FT_Set_Charmap(face, found);
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ExReleaseFastMutex(&FreeTypeLock);
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if (error)
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{
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DPRINT1("WARNING: Could not set the charmap!\n");
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}
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}
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ExAcquireFastMutex(&FreeTypeLock);
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error = FT_Set_Pixel_Sizes(face,
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/* FIXME should set character height if neg */
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(TextObj->logfont.lfHeight < 0 ?
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- TextObj->logfont.lfHeight :
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TextObj->logfont.lfHeight),
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TextObj->logfont.lfWidth);
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ExReleaseFastMutex(&FreeTypeLock);
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if (error)
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{
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DPRINT1("Error in setting pixel sizes: %u\n", error);
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@@ -1065,8 +1090,10 @@ TextIntGetTextExtentPoint(PTEXTOBJ TextObj,
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for (i = 0; i < Count; i++)
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{
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ExAcquireFastMutex(&FreeTypeLock);
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glyph_index = FT_Get_Char_Index(face, *String);
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error = FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT);
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ExReleaseFastMutex(&FreeTypeLock);
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if (error)
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{
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DPRINT1("WARNING: Failed to load and render glyph! [index: %u]\n", glyph_index);
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@@ -1077,14 +1104,18 @@ TextIntGetTextExtentPoint(PTEXTOBJ TextObj,
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if (use_kerning && previous && glyph_index)
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{
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FT_Vector delta;
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ExAcquireFastMutex(&FreeTypeLock);
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FT_Get_Kerning(face, previous, glyph_index, 0, &delta);
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ExReleaseFastMutex(&FreeTypeLock);
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TotalWidth += delta.x >> 6;
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}
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TotalWidth += glyph->advance.x >> 6;
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if (glyph->format == ft_glyph_format_outline)
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{
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ExAcquireFastMutex(&FreeTypeLock);
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error = FT_Render_Glyph(glyph, FT_RENDER_MODE_MONO);
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ExReleaseFastMutex(&FreeTypeLock);
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if (error)
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{
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DPRINT1("WARNING: Failed to render glyph!\n");
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@@ -1376,12 +1407,14 @@ NtGdiGetTextMetrics(HDC hDC,
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if (NT_SUCCESS(Status))
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{
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Face = FontGDI->face;
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ExAcquireFastMutex(&FreeTypeLock);
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Error = FT_Set_Pixel_Sizes(Face,
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/* FIXME should set character height if neg */
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(TextObj->logfont.lfHeight < 0 ?
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- TextObj->logfont.lfHeight :
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TextObj->logfont.lfHeight),
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TextObj->logfont.lfWidth);
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ExReleaseFastMutex(&FreeTypeLock);
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if (0 != Error)
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{
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DPRINT1("Error in setting pixel sizes: %u\n", Error);
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@@ -1390,7 +1423,9 @@ NtGdiGetTextMetrics(HDC hDC,
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else
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{
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memcpy(&SafeTm, &FontGDI->TextMetric, sizeof(TEXTMETRICW));
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ExAcquireFastMutex(&FreeTypeLock);
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pOS2 = FT_Get_Sfnt_Table(Face, ft_sfnt_os2);
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ExReleaseFastMutex(&FreeTypeLock);
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if (NULL == pOS2)
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{
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DPRINT1("Can't find OS/2 table - not TT font?\n");
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@@ -1563,11 +1598,13 @@ NtGdiTextOut(HDC hDC,
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}
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}
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if (!found) DPRINT1("WARNING: Could not find desired charmap!\n");
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ExAcquireFastMutex(&FreeTypeLock);
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error = FT_Set_Charmap(face, found);
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ExReleaseFastMutex(&FreeTypeLock);
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if (error) DPRINT1("WARNING: Could not set the charmap!\n");
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}
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Render = IntIsFontRenderingEnabled();
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if(Render)
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@@ -1575,12 +1612,14 @@ NtGdiTextOut(HDC hDC,
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else
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RenderMode = FT_RENDER_MODE_MONO;
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ExAcquireFastMutex(&FreeTypeLock);
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error = FT_Set_Pixel_Sizes(face,
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/* FIXME should set character height if neg */
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(TextObj->logfont.lfHeight < 0 ?
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- TextObj->logfont.lfHeight :
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TextObj->logfont.lfHeight),
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TextObj->logfont.lfWidth);
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ExReleaseFastMutex(&FreeTypeLock);
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if(error) {
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DPRINT1("Error in setting pixel sizes: %u\n", error);
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goto fail;
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@@ -1632,8 +1671,10 @@ NtGdiTextOut(HDC hDC,
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for(i=0; i<Count; i++)
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{
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ExAcquireFastMutex(&FreeTypeLock);
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glyph_index = FT_Get_Char_Index(face, *String);
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error = FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT);
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ExReleaseFastMutex(&FreeTypeLock);
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if(error) {
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EngDeleteXlate(XlateObj);
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EngDeleteXlate(XlateObj2);
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@@ -1646,13 +1687,17 @@ NtGdiTextOut(HDC hDC,
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if (use_kerning && previous && glyph_index)
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{
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FT_Vector delta;
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ExAcquireFastMutex(&FreeTypeLock);
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FT_Get_Kerning(face, previous, glyph_index, 0, &delta);
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ExReleaseFastMutex(&FreeTypeLock);
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TextLeft += delta.x >> 6;
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}
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if (glyph->format == ft_glyph_format_outline)
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{
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ExAcquireFastMutex(&FreeTypeLock);
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error = FT_Render_Glyph(glyph, RenderMode);
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ExReleaseFastMutex(&FreeTypeLock);
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if(error) {
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EngDeleteXlate(XlateObj);
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EngDeleteXlate(XlateObj2);
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