diff options
Diffstat (limited to 'core/src/fxge/fx_freetype/fxft2.5.01/src/sfnt/ttmtx.c')
-rw-r--r-- | core/src/fxge/fx_freetype/fxft2.5.01/src/sfnt/ttmtx.c | 286 |
1 files changed, 0 insertions, 286 deletions
diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/sfnt/ttmtx.c b/core/src/fxge/fx_freetype/fxft2.5.01/src/sfnt/ttmtx.c deleted file mode 100644 index 9fe61fb356..0000000000 --- a/core/src/fxge/fx_freetype/fxft2.5.01/src/sfnt/ttmtx.c +++ /dev/null @@ -1,286 +0,0 @@ -/***************************************************************************/ -/* */ -/* ttmtx.c */ -/* */ -/* Load the metrics tables common to TTF and OTF fonts (body). */ -/* */ -/* Copyright 2006-2009, 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 "../../include/freetype/internal/ftdebug.h" -#include "../../include/freetype/internal/ftstream.h" -#include "../../include/freetype/tttags.h" -#include "ttmtx.h" - -#include "sferrors.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_ttmtx - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_hmtx */ - /* */ - /* <Description> */ - /* Load the `hmtx' or `vmtx' table into a face object. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* vertical :: A boolean flag. If set, load `vmtx'. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_load_hmtx( TT_Face face, - FT_Stream stream, - FT_Bool vertical ) - { - FT_Error error; - FT_ULong tag, table_size; - FT_ULong* ptable_offset; - FT_ULong* ptable_size; - - - if ( vertical ) - { - tag = TTAG_vmtx; - ptable_offset = &face->vert_metrics_offset; - ptable_size = &face->vert_metrics_size; - } - else - { - tag = TTAG_hmtx; - ptable_offset = &face->horz_metrics_offset; - ptable_size = &face->horz_metrics_size; - } - - error = face->goto_table( face, tag, stream, &table_size ); -#if 0 - if ( error ) - goto Fail; - - *ptable_size = table_size; - *ptable_offset = FT_STREAM_POS(); - - Fail: - return error; -#else - *ptable_size = error ? 0 : table_size; - *ptable_offset = FT_STREAM_POS(); - - return 0; -#endif - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_hhea */ - /* */ - /* <Description> */ - /* Load the `hhea' or 'vhea' table into a face object. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* vertical :: A boolean flag. If set, load `vhea'. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_load_hhea( TT_Face face, - FT_Stream stream, - FT_Bool vertical ) - { - FT_Error error; - TT_HoriHeader* header; - - static const FT_Frame_Field metrics_header_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE TT_HoriHeader - - FT_FRAME_START( 36 ), - FT_FRAME_ULONG ( Version ), - FT_FRAME_SHORT ( Ascender ), - FT_FRAME_SHORT ( Descender ), - FT_FRAME_SHORT ( Line_Gap ), - FT_FRAME_USHORT( advance_Width_Max ), - FT_FRAME_SHORT ( min_Left_Side_Bearing ), - FT_FRAME_SHORT ( min_Right_Side_Bearing ), - FT_FRAME_SHORT ( xMax_Extent ), - FT_FRAME_SHORT ( caret_Slope_Rise ), - FT_FRAME_SHORT ( caret_Slope_Run ), - FT_FRAME_SHORT ( caret_Offset ), - FT_FRAME_SHORT ( Reserved[0] ), - FT_FRAME_SHORT ( Reserved[1] ), - FT_FRAME_SHORT ( Reserved[2] ), - FT_FRAME_SHORT ( Reserved[3] ), - FT_FRAME_SHORT ( metric_Data_Format ), - FT_FRAME_USHORT( number_Of_HMetrics ), - FT_FRAME_END - }; - - - if ( vertical ) - { - void *v = &face->vertical; - - - error = face->goto_table( face, TTAG_vhea, stream, 0 ); - if ( error ) - goto Fail; - - header = (TT_HoriHeader*)v; - } - else - { - error = face->goto_table( face, TTAG_hhea, stream, 0 ); - if ( error ) - goto Fail; - - header = &face->horizontal; - } - - if ( FT_STREAM_READ_FIELDS( metrics_header_fields, header ) ) - goto Fail; - - FT_TRACE3(( "Ascender: %5d\n", header->Ascender )); - FT_TRACE3(( "Descender: %5d\n", header->Descender )); - FT_TRACE3(( "number_Of_Metrics: %5u\n", header->number_Of_HMetrics )); - - header->long_metrics = NULL; - header->short_metrics = NULL; - - Fail: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_get_metrics */ - /* */ - /* <Description> */ - /* Returns the horizontal or vertical metrics in font units for a */ - /* given glyph. The metrics are the left side bearing (resp. top */ - /* side bearing) and advance width (resp. advance height). */ - /* */ - /* <Input> */ - /* header :: A pointer to either the horizontal or vertical metrics */ - /* structure. */ - /* */ - /* idx :: The glyph index. */ - /* */ - /* <Output> */ - /* bearing :: The bearing, either left side or top side. */ - /* */ - /* advance :: The advance width resp. advance height. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_get_metrics( TT_Face face, - FT_Bool vertical, - FT_UInt gindex, - FT_Short *abearing, - FT_UShort *aadvance ) - { - FT_Error error; - FT_Stream stream = face->root.stream; - TT_HoriHeader* header; - FT_ULong table_pos, table_size, table_end; - FT_UShort k; - - - if ( vertical ) - { - void* v = &face->vertical; - - - header = (TT_HoriHeader*)v; - table_pos = face->vert_metrics_offset; - table_size = face->vert_metrics_size; - } - else - { - header = &face->horizontal; - table_pos = face->horz_metrics_offset; - table_size = face->horz_metrics_size; - } - - table_end = table_pos + table_size; - - k = header->number_Of_HMetrics; - - if ( k > 0 ) - { - if ( gindex < (FT_UInt)k ) - { - table_pos += 4 * gindex; - if ( table_pos + 4 > table_end ) - goto NoData; - - if ( FT_STREAM_SEEK( table_pos ) || - FT_READ_USHORT( *aadvance ) || - FT_READ_SHORT( *abearing ) ) - goto NoData; - } - else - { - table_pos += 4 * ( k - 1 ); - if ( table_pos + 4 > table_end ) - goto NoData; - - if ( FT_STREAM_SEEK( table_pos ) || - FT_READ_USHORT( *aadvance ) ) - goto NoData; - - table_pos += 4 + 2 * ( gindex - k ); - if ( table_pos + 2 > table_end ) - *abearing = 0; - else - { - if ( !FT_STREAM_SEEK( table_pos ) ) - (void)FT_READ_SHORT( *abearing ); - } - } - } - else - { - NoData: - *abearing = 0; - *aadvance = 0; - } - - return FT_Err_Ok; - } - - -/* END */ |