--- /dev/null
+/***************************************************************************/
+/* */
+/* 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 <ft2build.h>
+#include FT_INTERNAL_DEBUG_H
+#include FT_INTERNAL_STREAM_H
+
+#include <string.h> /* 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 */
+ /* */
+ /*************************************************************************/
+
+
+ /*************************************************************************/
+ /* */
+ /* <Function> */
+ /* T1_Done_Face */
+ /* */
+ /* <Description> */
+ /* The face object destructor. */
+ /* */
+ /* <Input> */
+ /* 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;
+ }
+ }
+
+
+ /*************************************************************************/
+ /* */
+ /* <Function> */
+ /* T1_Init_Face */
+ /* */
+ /* <Description> */
+ /* The face object constructor. */
+ /* */
+ /* <Input> */
+ /* 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. */
+ /* */
+ /* <InOut> */
+ /* face :: The face record to build. */
+ /* */
+ /* <Return> */
+ /* 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;
+ }
+
+
+ /*************************************************************************/
+ /* */
+ /* <Function> */
+ /* T1_Init_Driver */
+ /* */
+ /* <Description> */
+ /* Initializes a given Type 1 driver object. */
+ /* */
+ /* <Input> */
+ /* driver :: A handle to the target driver object. */
+ /* */
+ /* <Return> */
+ /* FreeType error code. 0 means success. */
+ /* */
+ FT_LOCAL_DEF FT_Error
+ T1_Init_Driver( T1_Driver driver )
+ {
+ FT_UNUSED( driver );
+
+ return T1_Err_Ok;
+ }
+
+
+ /*************************************************************************/
+ /* */
+ /* <Function> */
+ /* T1_Done_Driver */
+ /* */
+ /* <Description> */
+ /* Finalizes a given Type 1 driver. */
+ /* */
+ /* <Input> */
+ /* driver :: A handle to the target Type 1 driver. */
+ /* */
+ FT_LOCAL_DEF void
+ T1_Done_Driver( T1_Driver driver )
+ {
+ FT_UNUSED( driver );
+ }
+
+
+/* END */
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