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authorBo Xu <bo_xu@foxitsoftware.com>2014-12-19 14:29:17 -0800
committerBo Xu <bo_xu@foxitsoftware.com>2014-12-19 15:03:12 -0800
commit4c764f391a4cfb82c81117cf9f249a8598be1cc5 (patch)
tree7d0cc6e2db4182a12ecab5f528c9bfccb4b7df6e /third_party/freetype/src/psaux/t1cmap.c
parentd44e39279b08c0954f07283b4fb3e7f3e292e4de (diff)
downloadpdfium-4c764f391a4cfb82c81117cf9f249a8598be1cc5.tar.xz
XFA: merge patch from CL 815103002
Update freetype to 2.5.4. Put freetype into third_party directory, cleaning up header files. Previously freetype header files are in core/src/fxge/freetype and core/include/thirdparties. There were also multiple fx_freetype.h. This patch removes the additional Foxit wrapper to make further update easier. Notice, for original freetype source code, the following files are modified and need to be updated accordingly in future update: third_party/freetype/include/config/ftmodule.h third_party/freetype/include/config/ftoption.h BUG=407341 R=thestig@chromium.org Review URL: https://codereview.chromium.org/815103002
Diffstat (limited to 'third_party/freetype/src/psaux/t1cmap.c')
-rw-r--r--third_party/freetype/src/psaux/t1cmap.c355
1 files changed, 355 insertions, 0 deletions
diff --git a/third_party/freetype/src/psaux/t1cmap.c b/third_party/freetype/src/psaux/t1cmap.c
new file mode 100644
index 0000000000..fb1353ae0f
--- /dev/null
+++ b/third_party/freetype/src/psaux/t1cmap.c
@@ -0,0 +1,355 @@
+/***************************************************************************/
+/* */
+/* t1cmap.c */
+/* */
+/* Type 1 character map support (body). */
+/* */
+/* Copyright 2002, 2003, 2006, 2007, 2012 by */
+/* David Turner, Robert Wilhelm, and Werner Lemberg. */
+/* */
+/* This file is part of the FreeType project, and may only be used, */
+/* modified, and distributed under the terms of the FreeType project */
+/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
+/* this file you indicate that you have read the license and */
+/* understand and accept it fully. */
+/* */
+/***************************************************************************/
+
+
+#include "t1cmap.h"
+
+#include FT_INTERNAL_DEBUG_H
+
+#include "psauxerr.h"
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** TYPE1 STANDARD (AND EXPERT) ENCODING CMAPS *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ static void
+ t1_cmap_std_init( T1_CMapStd cmap,
+ FT_Int is_expert )
+ {
+ T1_Face face = (T1_Face)FT_CMAP_FACE( cmap );
+ FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames;
+
+
+ cmap->num_glyphs = face->type1.num_glyphs;
+ cmap->glyph_names = (const char* const*)face->type1.glyph_names;
+ cmap->sid_to_string = psnames->adobe_std_strings;
+ cmap->code_to_sid = is_expert ? psnames->adobe_expert_encoding
+ : psnames->adobe_std_encoding;
+
+ FT_ASSERT( cmap->code_to_sid != NULL );
+ }
+
+
+ FT_CALLBACK_DEF( void )
+ t1_cmap_std_done( T1_CMapStd cmap )
+ {
+ cmap->num_glyphs = 0;
+ cmap->glyph_names = NULL;
+ cmap->sid_to_string = NULL;
+ cmap->code_to_sid = NULL;
+ }
+
+
+ FT_CALLBACK_DEF( FT_UInt )
+ t1_cmap_std_char_index( T1_CMapStd cmap,
+ FT_UInt32 char_code )
+ {
+ FT_UInt result = 0;
+
+
+ if ( char_code < 256 )
+ {
+ FT_UInt code, n;
+ const char* glyph_name;
+
+
+ /* convert character code to Adobe SID string */
+ code = cmap->code_to_sid[char_code];
+ glyph_name = cmap->sid_to_string( code );
+
+ /* look for the corresponding glyph name */
+ for ( n = 0; n < cmap->num_glyphs; n++ )
+ {
+ const char* gname = cmap->glyph_names[n];
+
+
+ if ( gname && gname[0] == glyph_name[0] &&
+ ft_strcmp( gname, glyph_name ) == 0 )
+ {
+ result = n;
+ break;
+ }
+ }
+ }
+
+ return result;
+ }
+
+
+ FT_CALLBACK_DEF( FT_UInt32 )
+ t1_cmap_std_char_next( T1_CMapStd cmap,
+ FT_UInt32 *pchar_code )
+ {
+ FT_UInt result = 0;
+ FT_UInt32 char_code = *pchar_code + 1;
+
+
+ while ( char_code < 256 )
+ {
+ result = t1_cmap_std_char_index( cmap, char_code );
+ if ( result != 0 )
+ goto Exit;
+
+ char_code++;
+ }
+ char_code = 0;
+
+ Exit:
+ *pchar_code = char_code;
+ return result;
+ }
+
+
+ FT_CALLBACK_DEF( FT_Error )
+ t1_cmap_standard_init( T1_CMapStd cmap,
+ FT_Pointer pointer )
+ {
+ FT_UNUSED( pointer );
+
+
+ t1_cmap_std_init( cmap, 0 );
+ return 0;
+ }
+
+
+ FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec
+ t1_cmap_standard_class_rec =
+ {
+ sizeof ( T1_CMapStdRec ),
+
+ (FT_CMap_InitFunc) t1_cmap_standard_init,
+ (FT_CMap_DoneFunc) t1_cmap_std_done,
+ (FT_CMap_CharIndexFunc)t1_cmap_std_char_index,
+ (FT_CMap_CharNextFunc) t1_cmap_std_char_next,
+
+ NULL, NULL, NULL, NULL, NULL
+ };
+
+
+ FT_CALLBACK_DEF( FT_Error )
+ t1_cmap_expert_init( T1_CMapStd cmap,
+ FT_Pointer pointer )
+ {
+ FT_UNUSED( pointer );
+
+
+ t1_cmap_std_init( cmap, 1 );
+ return 0;
+ }
+
+ FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec
+ t1_cmap_expert_class_rec =
+ {
+ sizeof ( T1_CMapStdRec ),
+
+ (FT_CMap_InitFunc) t1_cmap_expert_init,
+ (FT_CMap_DoneFunc) t1_cmap_std_done,
+ (FT_CMap_CharIndexFunc)t1_cmap_std_char_index,
+ (FT_CMap_CharNextFunc) t1_cmap_std_char_next,
+
+ NULL, NULL, NULL, NULL, NULL
+ };
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** TYPE1 CUSTOM ENCODING CMAP *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+
+ FT_CALLBACK_DEF( FT_Error )
+ t1_cmap_custom_init( T1_CMapCustom cmap,
+ FT_Pointer pointer )
+ {
+ T1_Face face = (T1_Face)FT_CMAP_FACE( cmap );
+ T1_Encoding encoding = &face->type1.encoding;
+
+ FT_UNUSED( pointer );
+
+
+ cmap->first = encoding->code_first;
+ cmap->count = (FT_UInt)( encoding->code_last - cmap->first );
+ cmap->indices = encoding->char_index;
+
+ FT_ASSERT( cmap->indices != NULL );
+ FT_ASSERT( encoding->code_first <= encoding->code_last );
+
+ return 0;
+ }
+
+
+ FT_CALLBACK_DEF( void )
+ t1_cmap_custom_done( T1_CMapCustom cmap )
+ {
+ cmap->indices = NULL;
+ cmap->first = 0;
+ cmap->count = 0;
+ }
+
+
+ FT_CALLBACK_DEF( FT_UInt )
+ t1_cmap_custom_char_index( T1_CMapCustom cmap,
+ FT_UInt32 char_code )
+ {
+ FT_UInt result = 0;
+
+
+ if ( ( char_code >= cmap->first ) &&
+ ( char_code < ( cmap->first + cmap->count ) ) )
+ result = cmap->indices[char_code];
+
+ return result;
+ }
+
+
+ FT_CALLBACK_DEF( FT_UInt32 )
+ t1_cmap_custom_char_next( T1_CMapCustom cmap,
+ FT_UInt32 *pchar_code )
+ {
+ FT_UInt result = 0;
+ FT_UInt32 char_code = *pchar_code;
+
+
+ ++char_code;
+
+ if ( char_code < cmap->first )
+ char_code = cmap->first;
+
+ for ( ; char_code < ( cmap->first + cmap->count ); char_code++ )
+ {
+ result = cmap->indices[char_code];
+ if ( result != 0 )
+ goto Exit;
+ }
+
+ char_code = 0;
+
+ Exit:
+ *pchar_code = char_code;
+ return result;
+ }
+
+
+ FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec
+ t1_cmap_custom_class_rec =
+ {
+ sizeof ( T1_CMapCustomRec ),
+
+ (FT_CMap_InitFunc) t1_cmap_custom_init,
+ (FT_CMap_DoneFunc) t1_cmap_custom_done,
+ (FT_CMap_CharIndexFunc)t1_cmap_custom_char_index,
+ (FT_CMap_CharNextFunc) t1_cmap_custom_char_next,
+
+ NULL, NULL, NULL, NULL, NULL
+ };
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** TYPE1 SYNTHETIC UNICODE ENCODING CMAP *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ FT_CALLBACK_DEF( const char * )
+ psaux_get_glyph_name( T1_Face face,
+ FT_UInt idx )
+ {
+ return face->type1.glyph_names[idx];
+ }
+
+
+ FT_CALLBACK_DEF( FT_Error )
+ t1_cmap_unicode_init( PS_Unicodes unicodes,
+ FT_Pointer pointer )
+ {
+ T1_Face face = (T1_Face)FT_CMAP_FACE( unicodes );
+ FT_Memory memory = FT_FACE_MEMORY( face );
+ FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames;
+
+ FT_UNUSED( pointer );
+
+
+ return psnames->unicodes_init( memory,
+ unicodes,
+ face->type1.num_glyphs,
+ (PS_GetGlyphNameFunc)&psaux_get_glyph_name,
+ (PS_FreeGlyphNameFunc)NULL,
+ (FT_Pointer)face );
+ }
+
+
+ FT_CALLBACK_DEF( void )
+ t1_cmap_unicode_done( PS_Unicodes unicodes )
+ {
+ FT_Face face = FT_CMAP_FACE( unicodes );
+ FT_Memory memory = FT_FACE_MEMORY( face );
+
+
+ FT_FREE( unicodes->maps );
+ unicodes->num_maps = 0;
+ }
+
+
+ FT_CALLBACK_DEF( FT_UInt )
+ t1_cmap_unicode_char_index( PS_Unicodes unicodes,
+ FT_UInt32 char_code )
+ {
+ T1_Face face = (T1_Face)FT_CMAP_FACE( unicodes );
+ FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames;
+
+
+ return psnames->unicodes_char_index( unicodes, char_code );
+ }
+
+
+ FT_CALLBACK_DEF( FT_UInt32 )
+ t1_cmap_unicode_char_next( PS_Unicodes unicodes,
+ FT_UInt32 *pchar_code )
+ {
+ T1_Face face = (T1_Face)FT_CMAP_FACE( unicodes );
+ FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames;
+
+
+ return psnames->unicodes_char_next( unicodes, pchar_code );
+ }
+
+
+ FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec
+ t1_cmap_unicode_class_rec =
+ {
+ sizeof ( PS_UnicodesRec ),
+
+ (FT_CMap_InitFunc) t1_cmap_unicode_init,
+ (FT_CMap_DoneFunc) t1_cmap_unicode_done,
+ (FT_CMap_CharIndexFunc)t1_cmap_unicode_char_index,
+ (FT_CMap_CharNextFunc) t1_cmap_unicode_char_next,
+
+ NULL, NULL, NULL, NULL, NULL
+ };
+
+
+/* END */