Index: core/src/fxge/fx_freetype/fxft2.5.01/src/type1/t1afm.c |
diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/type1/t1afm.c b/core/src/fxge/fx_freetype/fxft2.5.01/src/type1/t1afm.c |
deleted file mode 100644 |
index b59225508e39f2a2e4fa095d2cc373ceeb420189..0000000000000000000000000000000000000000 |
--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/type1/t1afm.c |
+++ /dev/null |
@@ -1,396 +0,0 @@ |
-/***************************************************************************/ |
-/* */ |
-/* t1afm.c */ |
-/* */ |
-/* AFM support for Type 1 fonts (body). */ |
-/* */ |
-/* Copyright 1996-2011, 2013 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 "../../include/ft2build.h" |
-#include "t1afm.h" |
-#include "../../include/freetype/internal/ftdebug.h" |
-#include "../../include/freetype/internal/ftstream.h" |
-#include "../../include/freetype/internal/psaux.h" |
-#include "t1errors.h" |
- |
- |
- /*************************************************************************/ |
- /* */ |
- /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ |
- /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ |
- /* messages during execution. */ |
- /* */ |
-#undef FT_COMPONENT |
-#define FT_COMPONENT trace_t1afm |
- |
- |
- FT_LOCAL_DEF( void ) |
- T1_Done_Metrics( FT_Memory memory, |
- AFM_FontInfo fi ) |
- { |
- FT_FREE( fi->KernPairs ); |
- fi->NumKernPair = 0; |
- |
- FT_FREE( fi->TrackKerns ); |
- fi->NumTrackKern = 0; |
- |
- FT_FREE( fi ); |
- } |
- |
- |
- /* read a glyph name and return the equivalent glyph index */ |
- static FT_Int |
- t1_get_index( const char* name, |
- FT_Offset len, |
- void* user_data ) |
- { |
- T1_Font type1 = (T1_Font)user_data; |
- FT_Int n; |
- |
- |
- /* PS string/name length must be < 16-bit */ |
- if ( len > 0xFFFFU ) |
- return 0; |
- |
- for ( n = 0; n < type1->num_glyphs; n++ ) |
- { |
- char* gname = (char*)type1->glyph_names[n]; |
- |
- |
- if ( gname && gname[0] == name[0] && |
- ft_strlen( gname ) == len && |
- ft_strncmp( gname, name, len ) == 0 ) |
- return n; |
- } |
- |
- return 0; |
- } |
- |
- |
-#undef KERN_INDEX |
-#define KERN_INDEX( g1, g2 ) ( ( (FT_ULong)(g1) << 16 ) | (g2) ) |
- |
- |
- /* compare two kerning pairs */ |
- FT_CALLBACK_DEF( int ) |
- compare_kern_pairs( const void* a, |
- const void* b ) |
- { |
- AFM_KernPair pair1 = (AFM_KernPair)a; |
- AFM_KernPair pair2 = (AFM_KernPair)b; |
- |
- FT_ULong index1 = KERN_INDEX( pair1->index1, pair1->index2 ); |
- FT_ULong index2 = KERN_INDEX( pair2->index1, pair2->index2 ); |
- |
- |
- if ( index1 > index2 ) |
- return 1; |
- else if ( index1 < index2 ) |
- return -1; |
- else |
- return 0; |
- } |
- |
- |
- /* parse a PFM file -- for now, only read the kerning pairs */ |
- static FT_Error |
- T1_Read_PFM( FT_Face t1_face, |
- FT_Stream stream, |
- AFM_FontInfo fi ) |
- { |
- FT_Error error = FT_Err_Ok; |
- FT_Memory memory = stream->memory; |
- FT_Byte* start; |
- FT_Byte* limit; |
- FT_Byte* p; |
- AFM_KernPair kp; |
- FT_Int width_table_length; |
- FT_CharMap oldcharmap; |
- FT_CharMap charmap; |
- FT_Int n; |
- |
- |
- start = (FT_Byte*)stream->cursor; |
- limit = (FT_Byte*)stream->limit; |
- |
- /* Figure out how long the width table is. */ |
- /* This info is a little-endian short at offset 99. */ |
- p = start + 99; |
- if ( p + 2 > limit ) |
- { |
- error = FT_THROW( Unknown_File_Format ); |
- goto Exit; |
- } |
- width_table_length = FT_PEEK_USHORT_LE( p ); |
- |
- p += 18 + width_table_length; |
- if ( p + 0x12 > limit || FT_PEEK_USHORT_LE( p ) < 0x12 ) |
- /* extension table is probably optional */ |
- goto Exit; |
- |
- /* Kerning offset is 14 bytes from start of extensions table. */ |
- p += 14; |
- p = start + FT_PEEK_ULONG_LE( p ); |
- |
- if ( p == start ) |
- /* zero offset means no table */ |
- goto Exit; |
- |
- if ( p + 2 > limit ) |
- { |
- error = FT_THROW( Unknown_File_Format ); |
- goto Exit; |
- } |
- |
- fi->NumKernPair = FT_PEEK_USHORT_LE( p ); |
- p += 2; |
- if ( p + 4 * fi->NumKernPair > limit ) |
- { |
- error = FT_THROW( Unknown_File_Format ); |
- goto Exit; |
- } |
- |
- /* Actually, kerning pairs are simply optional! */ |
- if ( fi->NumKernPair == 0 ) |
- goto Exit; |
- |
- /* allocate the pairs */ |
- if ( FT_QNEW_ARRAY( fi->KernPairs, fi->NumKernPair ) ) |
- goto Exit; |
- |
- /* now, read each kern pair */ |
- kp = fi->KernPairs; |
- limit = p + 4 * fi->NumKernPair; |
- |
- /* PFM kerning data are stored by encoding rather than glyph index, */ |
- /* so find the PostScript charmap of this font and install it */ |
- /* temporarily. If we find no PostScript charmap, then just use */ |
- /* the default and hope it is the right one. */ |
- oldcharmap = t1_face->charmap; |
- charmap = NULL; |
- |
- for ( n = 0; n < t1_face->num_charmaps; n++ ) |
- { |
- charmap = t1_face->charmaps[n]; |
- /* check against PostScript pseudo platform */ |
- if ( charmap->platform_id == 7 ) |
- { |
- error = FT_Set_Charmap( t1_face, charmap ); |
- if ( error ) |
- goto Exit; |
- break; |
- } |
- } |
- |
- /* Kerning info is stored as: */ |
- /* */ |
- /* encoding of first glyph (1 byte) */ |
- /* encoding of second glyph (1 byte) */ |
- /* offset (little-endian short) */ |
- for ( ; p < limit ; p += 4 ) |
- { |
- kp->index1 = FT_Get_Char_Index( t1_face, p[0] ); |
- kp->index2 = FT_Get_Char_Index( t1_face, p[1] ); |
- |
- kp->x = (FT_Int)FT_PEEK_SHORT_LE(p + 2); |
- kp->y = 0; |
- |
- kp++; |
- } |
- |
- if ( oldcharmap != NULL ) |
- error = FT_Set_Charmap( t1_face, oldcharmap ); |
- if ( error ) |
- goto Exit; |
- |
- /* now, sort the kern pairs according to their glyph indices */ |
- ft_qsort( fi->KernPairs, fi->NumKernPair, sizeof ( AFM_KernPairRec ), |
- compare_kern_pairs ); |
- |
- Exit: |
- if ( error ) |
- { |
- FT_FREE( fi->KernPairs ); |
- fi->NumKernPair = 0; |
- } |
- |
- return error; |
- } |
- |
- |
- /* parse a metrics file -- either AFM or PFM depending on what */ |
- /* it turns out to be */ |
- FT_LOCAL_DEF( FT_Error ) |
- T1_Read_Metrics( FT_Face t1_face, |
- FT_Stream stream ) |
- { |
- PSAux_Service psaux; |
- FT_Memory memory = stream->memory; |
- AFM_ParserRec parser; |
- AFM_FontInfo fi = NULL; |
- FT_Error error = FT_ERR( Unknown_File_Format ); |
- T1_Font t1_font = &( (T1_Face)t1_face )->type1; |
- |
- |
- if ( FT_NEW( fi ) || |
- FT_FRAME_ENTER( stream->size ) ) |
- goto Exit; |
- |
- fi->FontBBox = t1_font->font_bbox; |
- fi->Ascender = t1_font->font_bbox.yMax; |
- fi->Descender = t1_font->font_bbox.yMin; |
- |
- psaux = (PSAux_Service)( (T1_Face)t1_face )->psaux; |
- if ( psaux->afm_parser_funcs ) |
- { |
- error = psaux->afm_parser_funcs->init( &parser, |
- stream->memory, |
- stream->cursor, |
- stream->limit ); |
- |
- if ( !error ) |
- { |
- parser.FontInfo = fi; |
- parser.get_index = t1_get_index; |
- parser.user_data = t1_font; |
- |
- error = psaux->afm_parser_funcs->parse( &parser ); |
- psaux->afm_parser_funcs->done( &parser ); |
- } |
- } |
- |
- if ( FT_ERR_EQ( error, Unknown_File_Format ) ) |
- { |
- FT_Byte* start = stream->cursor; |
- |
- |
- /* MS Windows allows versions up to 0x3FF without complaining */ |
- if ( stream->size > 6 && |
- start[1] < 4 && |
- FT_PEEK_ULONG_LE( start + 2 ) == stream->size ) |
- error = T1_Read_PFM( t1_face, stream, fi ); |
- } |
- |
- if ( !error ) |
- { |
- t1_font->font_bbox = fi->FontBBox; |
- |
- t1_face->bbox.xMin = fi->FontBBox.xMin >> 16; |
- t1_face->bbox.yMin = fi->FontBBox.yMin >> 16; |
- /* no `U' suffix here to 0xFFFF! */ |
- t1_face->bbox.xMax = ( fi->FontBBox.xMax + 0xFFFF ) >> 16; |
- t1_face->bbox.yMax = ( fi->FontBBox.yMax + 0xFFFF ) >> 16; |
- |
- /* no `U' suffix here to 0x8000! */ |
- t1_face->ascender = (FT_Short)( ( fi->Ascender + 0x8000 ) >> 16 ); |
- t1_face->descender = (FT_Short)( ( fi->Descender + 0x8000 ) >> 16 ); |
- |
- if ( fi->NumKernPair ) |
- { |
- t1_face->face_flags |= FT_FACE_FLAG_KERNING; |
- ( (T1_Face)t1_face )->afm_data = fi; |
- fi = NULL; |
- } |
- } |
- |
- FT_FRAME_EXIT(); |
- |
- Exit: |
- if ( fi != NULL ) |
- T1_Done_Metrics( memory, fi ); |
- |
- return error; |
- } |
- |
- |
- /* find the kerning for a given glyph pair */ |
- FT_LOCAL_DEF( void ) |
- T1_Get_Kerning( AFM_FontInfo fi, |
- FT_UInt glyph1, |
- FT_UInt glyph2, |
- FT_Vector* kerning ) |
- { |
- AFM_KernPair min, mid, max; |
- FT_ULong idx = KERN_INDEX( glyph1, glyph2 ); |
- |
- |
- /* simple binary search */ |
- min = fi->KernPairs; |
- max = min + fi->NumKernPair - 1; |
- |
- while ( min <= max ) |
- { |
- FT_ULong midi; |
- |
- |
- mid = min + ( max - min ) / 2; |
- midi = KERN_INDEX( mid->index1, mid->index2 ); |
- |
- if ( midi == idx ) |
- { |
- kerning->x = mid->x; |
- kerning->y = mid->y; |
- |
- return; |
- } |
- |
- if ( midi < idx ) |
- min = mid + 1; |
- else |
- max = mid - 1; |
- } |
- |
- kerning->x = 0; |
- kerning->y = 0; |
- } |
- |
- |
- FT_LOCAL_DEF( FT_Error ) |
- T1_Get_Track_Kerning( FT_Face face, |
- FT_Fixed ptsize, |
- FT_Int degree, |
- FT_Fixed* kerning ) |
- { |
- AFM_FontInfo fi = (AFM_FontInfo)( (T1_Face)face )->afm_data; |
- FT_Int i; |
- |
- |
- if ( !fi ) |
- return FT_THROW( Invalid_Argument ); |
- |
- for ( i = 0; i < fi->NumTrackKern; i++ ) |
- { |
- AFM_TrackKern tk = fi->TrackKerns + i; |
- |
- |
- if ( tk->degree != degree ) |
- continue; |
- |
- if ( ptsize < tk->min_ptsize ) |
- *kerning = tk->min_kern; |
- else if ( ptsize > tk->max_ptsize ) |
- *kerning = tk->max_kern; |
- else |
- { |
- *kerning = FT_MulDiv( ptsize - tk->min_ptsize, |
- tk->max_kern - tk->min_kern, |
- tk->max_ptsize - tk->min_ptsize ) + |
- tk->min_kern; |
- } |
- } |
- |
- return FT_Err_Ok; |
- } |
- |
- |
-/* END */ |