X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=libraries%2Ffreetype-2.0.5%2Ft1objs.c;fp=libraries%2Ffreetype-2.0.5%2Ft1objs.c;h=9eaadcc0e1aa6e9750aa48bd70ed5784a5ca435a;hb=a1fe8fd19bb4f558150e52c0624869667b739877;hp=0000000000000000000000000000000000000000;hpb=e8f4081448f258adfbfa962b75d8392a7e152849;p=rrdtool.git diff --git a/libraries/freetype-2.0.5/t1objs.c b/libraries/freetype-2.0.5/t1objs.c new file mode 100644 index 0000000..9eaadcc --- /dev/null +++ b/libraries/freetype-2.0.5/t1objs.c @@ -0,0 +1,416 @@ +/***************************************************************************/ +/* */ +/* t1objs.c */ +/* */ +/* Type 1 objects manager (body). */ +/* */ +/* Copyright 1996-2001 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 FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H + +#include /* strcmp() */ + +#include "t1gload.h" +#include "t1load.h" + +#include "t1errors.h" + +#ifndef T1_CONFIG_OPTION_NO_AFM +#include "t1afm.h" +#endif + +#include FT_INTERNAL_POSTSCRIPT_NAMES_H +#include FT_INTERNAL_POSTSCRIPT_AUX_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_t1objs + + + /*************************************************************************/ + /* */ + /* FACE FUNCTIONS */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* */ + /* T1_Done_Face */ + /* */ + /* */ + /* The face object destructor. */ + /* */ + /* */ + /* face :: A typeless pointer to the face object to destroy. */ + /* */ + FT_LOCAL_DEF void + T1_Done_Face( T1_Face face ) + { + FT_Memory memory; + T1_Font* type1 = &face->type1; + + + if ( face ) + { + memory = face->root.memory; + +#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT + /* release multiple masters information */ + T1_Done_Blend( face ); + face->blend = 0; +#endif + + /* release font info strings */ + { + T1_FontInfo* info = &type1->font_info; + + + FREE( info->version ); + FREE( info->notice ); + FREE( info->full_name ); + FREE( info->family_name ); + FREE( info->weight ); + } + + /* release top dictionary */ + FREE( type1->charstrings_len ); + FREE( type1->charstrings ); + FREE( type1->glyph_names ); + + FREE( type1->subrs ); + FREE( type1->subrs_len ); + + FREE( type1->subrs_block ); + FREE( type1->charstrings_block ); + FREE( type1->glyph_names_block ); + + FREE( type1->encoding.char_index ); + FREE( type1->encoding.char_name ); + FREE( type1->font_name ); + +#ifndef T1_CONFIG_OPTION_NO_AFM + /* release afm data if present */ + if ( face->afm_data ) + T1_Done_AFM( memory, (T1_AFM*)face->afm_data ); +#endif + + /* release unicode map, if any */ + FREE( face->unicode_map.maps ); + face->unicode_map.num_maps = 0; + + face->root.family_name = 0; + face->root.style_name = 0; + } + } + + + /*************************************************************************/ + /* */ + /* */ + /* T1_Init_Face */ + /* */ + /* */ + /* The face object constructor. */ + /* */ + /* */ + /* stream :: input stream where to load font data. */ + /* */ + /* face_index :: The index of the font face in the resource. */ + /* */ + /* num_params :: Number of additional generic parameters. Ignored. */ + /* */ + /* params :: Additional generic parameters. Ignored. */ + /* */ + /* */ + /* face :: The face record to build. */ + /* */ + /* */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF FT_Error + T1_Init_Face( FT_Stream stream, + T1_Face face, + FT_Int face_index, + FT_Int num_params, + FT_Parameter* params ) + { + FT_Error error; + PSNames_Interface* psnames; + PSAux_Interface* psaux; + + FT_UNUSED( num_params ); + FT_UNUSED( params ); + FT_UNUSED( face_index ); + FT_UNUSED( stream ); + + + face->root.num_faces = 1; + + psnames = (PSNames_Interface*)face->psnames; + if ( !psnames ) + { + psnames = (PSNames_Interface*) + FT_Get_Module_Interface( FT_FACE_LIBRARY( face ), "psnames" ); + + face->psnames = psnames; + } + + psaux = (PSAux_Interface*)face->psaux; + if ( !psaux ) + { + psaux = (PSAux_Interface*) + FT_Get_Module_Interface( FT_FACE_LIBRARY( face ), "psaux" ); + + face->psaux = psaux; + } + + /* open the tokenizer, this will also check the font format */ + error = T1_Open_Face( face ); + if ( error ) + goto Exit; + + /* if we just wanted to check the format, leave successfully now */ + if ( face_index < 0 ) + goto Exit; + + /* check the face index */ + if ( face_index != 0 ) + { + FT_ERROR(( "T1_Init_Face: invalid face index\n" )); + error = T1_Err_Invalid_Argument; + goto Exit; + } + + /* Now, load the font program into the face object */ + + /* Init the face object fields */ + /* Now set up root face fields */ + { + FT_Face root = (FT_Face)&face->root; + + + root->num_glyphs = face->type1.num_glyphs; + root->num_charmaps = 1; + + root->face_index = face_index; + root->face_flags = FT_FACE_FLAG_SCALABLE; + + root->face_flags |= FT_FACE_FLAG_HORIZONTAL; + + root->face_flags |= FT_FACE_FLAG_GLYPH_NAMES; + + if ( face->type1.font_info.is_fixed_pitch ) + root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH; + + if ( face->blend ) + root->face_flags |= FT_FACE_FLAG_MULTIPLE_MASTERS; + + /* XXX: TODO -- add kerning with .afm support */ + + /* get style name -- be careful, some broken fonts only */ + /* have a `/FontName' dictionary entry! */ + root->family_name = face->type1.font_info.family_name; + if ( root->family_name ) + { + char* full = face->type1.font_info.full_name; + char* family = root->family_name; + + + while ( *family && *full == *family ) + { + family++; + full++; + } + + root->style_name = ( *full == ' ' ? full + 1 + : (char *)"Regular" ); + } + else + { + /* do we have a `/FontName'? */ + if ( face->type1.font_name ) + { + root->family_name = face->type1.font_name; + root->style_name = (char *)"Regular"; + } + } + + /* compute style flags */ + root->style_flags = 0; + if ( face->type1.font_info.italic_angle ) + root->style_flags |= FT_STYLE_FLAG_ITALIC; + if ( face->type1.font_info.weight ) + { + if ( !strcmp( face->type1.font_info.weight, "Bold" ) || + !strcmp( face->type1.font_info.weight, "Black" ) ) + root->style_flags |= FT_STYLE_FLAG_BOLD; + } + + /* no embedded bitmap support */ + root->num_fixed_sizes = 0; + root->available_sizes = 0; + + root->bbox = face->type1.font_bbox; + + /* Set units_per_EM if we didn't set it in parse_font_matrix. */ + if ( !root->units_per_EM ) + root->units_per_EM = 1000; + + root->ascender = (FT_Short)( face->type1.font_bbox.yMax >> 16 ); + root->descender = (FT_Short)( face->type1.font_bbox.yMin >> 16 ); + root->height = (FT_Short)( + ( ( root->ascender - root->descender ) * 12 ) / 10 ); + + /* now compute the maximum advance width */ + root->max_advance_width = + (FT_Short)( face->type1.font_bbox.xMax >> 16 ); + { + FT_Int max_advance; + + + error = T1_Compute_Max_Advance( face, &max_advance ); + + /* in case of error, keep the standard width */ + if ( !error ) + root->max_advance_width = (FT_Short)max_advance; + else + error = 0; /* clear error */ + } + + root->max_advance_height = root->height; + + root->underline_position = face->type1.font_info.underline_position; + root->underline_thickness = face->type1.font_info.underline_thickness; + + root->internal->max_points = 0; + root->internal->max_contours = 0; + } + + /* charmap support -- synthetize unicode charmap if possible */ + { + FT_Face root = &face->root; + FT_CharMap charmap = face->charmaprecs; + + + /* synthesize a Unicode charmap if there is support in the `PSNames' */ + /* module */ + if ( psnames ) + { + if ( psnames->unicode_value ) + { + error = psnames->build_unicodes( + root->memory, + face->type1.num_glyphs, + (const char**)face->type1.glyph_names, + &face->unicode_map ); + if ( !error ) + { + root->charmap = charmap; + charmap->face = (FT_Face)face; + charmap->encoding = ft_encoding_unicode; + charmap->platform_id = 3; + charmap->encoding_id = 1; + charmap++; + } + + /* simply clear the error in case of failure (which really) */ + /* means that out of memory or no unicode glyph names */ + error = T1_Err_Ok; + } + } + + /* now, support either the standard, expert, or custom encoding */ + charmap->face = (FT_Face)face; + charmap->platform_id = 7; /* a new platform id for Adobe fonts? */ + + switch ( face->type1.encoding_type ) + { + case t1_encoding_standard: + charmap->encoding = ft_encoding_adobe_standard; + charmap->encoding_id = 0; + break; + + case t1_encoding_expert: + charmap->encoding = ft_encoding_adobe_expert; + charmap->encoding_id = 1; + break; + + default: + charmap->encoding = ft_encoding_adobe_custom; + charmap->encoding_id = 2; + break; + } + + root->charmaps = face->charmaps; + root->num_charmaps = charmap - face->charmaprecs + 1; + face->charmaps[0] = &face->charmaprecs[0]; + face->charmaps[1] = &face->charmaprecs[1]; + } + + Exit: + return error; + } + + + /*************************************************************************/ + /* */ + /* */ + /* T1_Init_Driver */ + /* */ + /* */ + /* Initializes a given Type 1 driver object. */ + /* */ + /* */ + /* driver :: A handle to the target driver object. */ + /* */ + /* */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF FT_Error + T1_Init_Driver( T1_Driver driver ) + { + FT_UNUSED( driver ); + + return T1_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* */ + /* T1_Done_Driver */ + /* */ + /* */ + /* Finalizes a given Type 1 driver. */ + /* */ + /* */ + /* driver :: A handle to the target Type 1 driver. */ + /* */ + FT_LOCAL_DEF void + T1_Done_Driver( T1_Driver driver ) + { + FT_UNUSED( driver ); + } + + +/* END */