+++ /dev/null
-/***************************************************************************/
-/* */
-/* cidobjs.c */
-/* */
-/* CID 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 <ft2build.h>
-#include FT_INTERNAL_DEBUG_H
-#include FT_INTERNAL_STREAM_H
-#include "cidgload.h"
-#include "cidload.h"
-#include FT_INTERNAL_POSTSCRIPT_NAMES_H
-#include FT_INTERNAL_POSTSCRIPT_AUX_H
-
-#include "ciderrs.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_cidobjs
-
-
- /*************************************************************************/
- /* */
- /* FACE FUNCTIONS */
- /* */
- /*************************************************************************/
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* CID_Done_Face */
- /* */
- /* <Description> */
- /* Finalizes a given face object. */
- /* */
- /* <Input> */
- /* face :: A pointer to the face object to destroy. */
- /* */
- FT_LOCAL_DEF void
- CID_Done_Face( CID_Face face )
- {
- FT_Memory memory;
-
-
- if ( face )
- {
- CID_Info* cid = &face->cid;
- T1_FontInfo* info = &cid->font_info;
-
-
- memory = face->root.memory;
-
- /* release FontInfo strings */
- FREE( info->version );
- FREE( info->notice );
- FREE( info->full_name );
- FREE( info->family_name );
- FREE( info->weight );
-
- /* release font dictionaries */
- FREE( cid->font_dicts );
- cid->num_dicts = 0;
-
- /* release other strings */
- FREE( cid->cid_font_name );
- FREE( cid->registry );
- FREE( cid->ordering );
-
- face->root.family_name = 0;
- face->root.style_name = 0;
- }
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* CID_Init_Face */
- /* */
- /* <Description> */
- /* Initializes a given CID face object. */
- /* */
- /* <Input> */
- /* stream :: The source font stream. */
- /* */
- /* face_index :: The index of the font face in the resource. */
- /* */
- /* num_params :: Number of additional generic parameters. Ignored. */
- /* */
- /* params :: Additional generic parameters. Ignored. */
- /* */
- /* <InOut> */
- /* face :: The newly built face object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- FT_LOCAL_DEF FT_Error
- CID_Init_Face( FT_Stream stream,
- CID_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 */
- if ( FILE_Seek( 0 ) )
- goto Exit;
-
- error = CID_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(( "CID_Init_Face: invalid face index\n" ));
- error = CID_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->cid.cid_count;
- root->num_charmaps = 0;
-
- root->face_index = face_index;
- root->face_flags = FT_FACE_FLAG_SCALABLE;
-
- root->face_flags |= FT_FACE_FLAG_HORIZONTAL;
-
- if ( face->cid.font_info.is_fixed_pitch )
- root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH;
-
- /* 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->cid.font_info.family_name;
- if ( root->family_name )
- {
- char* full = face->cid.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->cid.cid_font_name )
- {
- root->family_name = face->cid.cid_font_name;
- root->style_name = (char *)"Regular";
- }
- }
-
- /* no embedded bitmap support */
- root->num_fixed_sizes = 0;
- root->available_sizes = 0;
-
- root->bbox = face->cid.font_bbox;
- if ( !root->units_per_EM )
- root->units_per_EM = 1000;
-
- root->ascender = (FT_Short)( face->cid.font_bbox.yMax >> 16 );
- root->descender = (FT_Short)( face->cid.font_bbox.yMin >> 16 );
- root->height = (FT_Short)(
- ( ( root->ascender + root->descender ) * 12 ) / 10 );
-
-
-#if 0
-
- /* now compute the maximum advance width */
-
- root->max_advance_width = face->type1.private_dict.standard_width[0];
-
- /* compute max advance width for proportional fonts */
- if ( !face->type1.font_info.is_fixed_pitch )
- {
- FT_Int max_advance;
-
-
- error = CID_Compute_Max_Advance( face, &max_advance );
-
- /* in case of error, keep the standard width */
- if ( !error )
- root->max_advance_width = max_advance;
- else
- error = 0; /* clear error */
- }
-
- root->max_advance_height = root->height;
-
-#endif /* 0 */
-
- root->underline_position = face->cid.font_info.underline_position;
- root->underline_thickness = face->cid.font_info.underline_thickness;
-
- root->internal->max_points = 0;
- root->internal->max_contours = 0;
- }
- }
-
-#if 0
-
- /* charmap support - synthetize unicode charmap when possible */
- {
- FT_Face root = &face->root;
- FT_CharMap charmap = face->charmaprecs;
-
-
- /* synthesize a Unicode charmap if there is support in the `psnames' */
- /* module */
- if ( face->psnames )
- {
- PSNames_Interface* psnames = (PSNames_Interface*)face->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 = 0;
- }
- }
-
- /* now, support either the standard, expert, or custom encodings */
- 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];
- }
-
-#endif /* 0 */
-
- Exit:
- return error;
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* CID_Init_Driver */
- /* */
- /* <Description> */
- /* Initializes a given CID driver object. */
- /* */
- /* <Input> */
- /* driver :: A handle to the target driver object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- FT_LOCAL_DEF FT_Error
- CID_Init_Driver( CID_Driver driver )
- {
- FT_UNUSED( driver );
-
- return CID_Err_Ok;
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* CID_Done_Driver */
- /* */
- /* <Description> */
- /* Finalizes a given CID driver. */
- /* */
- /* <Input> */
- /* driver :: A handle to the target CID driver. */
- /* */
- FT_LOCAL_DEF void
- CID_Done_Driver( CID_Driver driver )
- {
- FT_UNUSED( driver );
- }
-
-
-/* END */
projects / rrdtool.git / blobdiff