--- a/misc/libfreetype/src/type1/t1objs.c Tue Jul 16 11:14:27 2013 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,597 +0,0 @@
-/***************************************************************************/
-/* */
-/* t1objs.c */
-/* */
-/* Type 1 objects manager (body). */
-/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 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_CALC_H
-#include FT_INTERNAL_DEBUG_H
-#include FT_INTERNAL_STREAM_H
-#include FT_TRUETYPE_IDS_H
-
-#include "t1gload.h"
-#include "t1load.h"
-
-#include "t1errors.h"
-
-#ifndef T1_CONFIG_OPTION_NO_AFM
-#include "t1afm.h"
-#endif
-
-#include FT_SERVICE_POSTSCRIPT_CMAPS_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
-
-
- /*************************************************************************/
- /* */
- /* SIZE FUNCTIONS */
- /* */
- /* note that we store the global hints in the size's "internal" root */
- /* field */
- /* */
- /*************************************************************************/
-
-
- static PSH_Globals_Funcs
- T1_Size_Get_Globals_Funcs( T1_Size size )
- {
- T1_Face face = (T1_Face)size->root.face;
- PSHinter_Service pshinter = (PSHinter_Service)face->pshinter;
- FT_Module module;
-
-
- module = FT_Get_Module( size->root.face->driver->root.library,
- "pshinter" );
- return ( module && pshinter && pshinter->get_globals_funcs )
- ? pshinter->get_globals_funcs( module )
- : 0 ;
- }
-
-
- FT_LOCAL_DEF( void )
- T1_Size_Done( T1_Size size )
- {
- if ( size->root.internal )
- {
- PSH_Globals_Funcs funcs;
-
-
- funcs = T1_Size_Get_Globals_Funcs( size );
- if ( funcs )
- funcs->destroy( (PSH_Globals)size->root.internal );
-
- size->root.internal = 0;
- }
- }
-
-
- FT_LOCAL_DEF( FT_Error )
- T1_Size_Init( T1_Size size )
- {
- FT_Error error = T1_Err_Ok;
- PSH_Globals_Funcs funcs = T1_Size_Get_Globals_Funcs( size );
-
-
- if ( funcs )
- {
- PSH_Globals globals;
- T1_Face face = (T1_Face)size->root.face;
-
-
- error = funcs->create( size->root.face->memory,
- &face->type1.private_dict, &globals );
- if ( !error )
- size->root.internal = (FT_Size_Internal)(void*)globals;
- }
-
- return error;
- }
-
-
- FT_LOCAL_DEF( FT_Error )
- T1_Size_Request( T1_Size size,
- FT_Size_Request req )
- {
- PSH_Globals_Funcs funcs = T1_Size_Get_Globals_Funcs( size );
-
-
- FT_Request_Metrics( size->root.face, req );
-
- if ( funcs )
- funcs->set_scale( (PSH_Globals)size->root.internal,
- size->root.metrics.x_scale,
- size->root.metrics.y_scale,
- 0, 0 );
-
- return T1_Err_Ok;
- }
-
-
- /*************************************************************************/
- /* */
- /* SLOT FUNCTIONS */
- /* */
- /*************************************************************************/
-
- FT_LOCAL_DEF( void )
- T1_GlyphSlot_Done( T1_GlyphSlot slot )
- {
- slot->root.internal->glyph_hints = 0;
- }
-
-
- FT_LOCAL_DEF( FT_Error )
- T1_GlyphSlot_Init( T1_GlyphSlot slot )
- {
- T1_Face face;
- PSHinter_Service pshinter;
-
-
- face = (T1_Face)slot->root.face;
- pshinter = (PSHinter_Service)face->pshinter;
-
- if ( pshinter )
- {
- FT_Module module;
-
-
- module = FT_Get_Module( slot->root.face->driver->root.library, "pshinter" );
- if (module)
- {
- T1_Hints_Funcs funcs;
-
- funcs = pshinter->get_t1_funcs( module );
- slot->root.internal->glyph_hints = (void*)funcs;
- }
- }
- return 0;
- }
-
-
- /*************************************************************************/
- /* */
- /* FACE FUNCTIONS */
- /* */
- /*************************************************************************/
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* T1_Face_Done */
- /* */
- /* <Description> */
- /* The face object destructor. */
- /* */
- /* <Input> */
- /* face :: A typeless pointer to the face object to destroy. */
- /* */
- FT_LOCAL_DEF( void )
- T1_Face_Done( T1_Face face )
- {
- FT_Memory memory;
- T1_Font type1;
-
-
- if ( !face )
- return;
-
- memory = face->root.memory;
- type1 = &face->type1;
-
-#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT
- /* release multiple masters information */
- FT_ASSERT( ( face->len_buildchar == 0 ) == ( face->buildchar == NULL ) );
-
- if ( face->buildchar )
- {
- FT_FREE( face->buildchar );
-
- face->buildchar = NULL;
- face->len_buildchar = 0;
- }
-
- T1_Done_Blend( face );
- face->blend = 0;
-#endif
-
- /* release font info strings */
- {
- PS_FontInfo info = &type1->font_info;
-
-
- FT_FREE( info->version );
- FT_FREE( info->notice );
- FT_FREE( info->full_name );
- FT_FREE( info->family_name );
- FT_FREE( info->weight );
- }
-
- /* release top dictionary */
- FT_FREE( type1->charstrings_len );
- FT_FREE( type1->charstrings );
- FT_FREE( type1->glyph_names );
-
- FT_FREE( type1->subrs );
- FT_FREE( type1->subrs_len );
-
- FT_FREE( type1->subrs_block );
- FT_FREE( type1->charstrings_block );
- FT_FREE( type1->glyph_names_block );
-
- FT_FREE( type1->encoding.char_index );
- FT_FREE( type1->encoding.char_name );
- FT_FREE( type1->font_name );
-
-#ifndef T1_CONFIG_OPTION_NO_AFM
- /* release afm data if present */
- if ( face->afm_data )
- T1_Done_Metrics( memory, (AFM_FontInfo)face->afm_data );
-#endif
-
- /* release unicode map, if any */
-#if 0
- FT_FREE( face->unicode_map_rec.maps );
- face->unicode_map_rec.num_maps = 0;
- face->unicode_map = NULL;
-#endif
-
- face->root.family_name = NULL;
- face->root.style_name = NULL;
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* T1_Face_Init */
- /* */
- /* <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_Face_Init( FT_Stream stream,
- T1_Face face,
- FT_Int face_index,
- FT_Int num_params,
- FT_Parameter* params )
- {
- FT_Error error;
- FT_Service_PsCMaps psnames;
- PSAux_Service psaux;
- T1_Font type1 = &face->type1;
- PS_FontInfo info = &type1->font_info;
-
- FT_UNUSED( num_params );
- FT_UNUSED( params );
- FT_UNUSED( stream );
-
-
- face->root.num_faces = 1;
-
- FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS );
- face->psnames = psnames;
-
- face->psaux = FT_Get_Module_Interface( FT_FACE_LIBRARY( face ),
- "psaux" );
- psaux = (PSAux_Service)face->psaux;
-
- face->pshinter = FT_Get_Module_Interface( FT_FACE_LIBRARY( face ),
- "pshinter" );
-
- /* 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_Face_Init: invalid face index\n" ));
- error = T1_Err_Invalid_Argument;
- goto Exit;
- }
-
- /* now load the font program into the face object */
-
- /* initialize the face object fields */
-
- /* set up root face fields */
- {
- FT_Face root = (FT_Face)&face->root;
-
-
- root->num_glyphs = type1->num_glyphs;
- root->face_index = 0;
-
- root->face_flags = FT_FACE_FLAG_SCALABLE |
- FT_FACE_FLAG_HORIZONTAL |
- FT_FACE_FLAG_GLYPH_NAMES |
- FT_FACE_FLAG_HINTER;
-
- if ( 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 */
-
-
- /* The following code to extract the family and the style is very */
- /* simplistic and might get some things wrong. For a full-featured */
- /* algorithm you might have a look at the whitepaper given at */
- /* */
- /* http://blogs.msdn.com/text/archive/2007/04/23/wpf-font-selection-model.aspx */
-
- /* get style name -- be careful, some broken fonts only */
- /* have a `/FontName' dictionary entry! */
- root->family_name = info->family_name;
- root->style_name = NULL;
-
- if ( root->family_name )
- {
- char* full = info->full_name;
- char* family = root->family_name;
-
-
- if ( full )
- {
- FT_Bool the_same = TRUE;
-
-
- while ( *full )
- {
- if ( *full == *family )
- {
- family++;
- full++;
- }
- else
- {
- if ( *full == ' ' || *full == '-' )
- full++;
- else if ( *family == ' ' || *family == '-' )
- family++;
- else
- {
- the_same = FALSE;
-
- if ( !*family )
- root->style_name = full;
- break;
- }
- }
- }
-
- if ( the_same )
- root->style_name = (char *)"Regular";
- }
- }
- else
- {
- /* do we have a `/FontName'? */
- if ( type1->font_name )
- root->family_name = type1->font_name;
- }
-
- if ( !root->style_name )
- {
- if ( info->weight )
- root->style_name = info->weight;
- else
- /* assume `Regular' style because we don't know better */
- root->style_name = (char *)"Regular";
- }
-
- /* compute style flags */
- root->style_flags = 0;
- if ( info->italic_angle )
- root->style_flags |= FT_STYLE_FLAG_ITALIC;
- if ( info->weight )
- {
- if ( !ft_strcmp( info->weight, "Bold" ) ||
- !ft_strcmp( 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.xMin = type1->font_bbox.xMin >> 16;
- root->bbox.yMin = type1->font_bbox.yMin >> 16;
- /* no `U' suffix here to 0xFFFF! */
- root->bbox.xMax = ( type1->font_bbox.xMax + 0xFFFF ) >> 16;
- root->bbox.yMax = ( type1->font_bbox.yMax + 0xFFFF ) >> 16;
-
- /* 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)( root->bbox.yMax );
- root->descender = (FT_Short)( root->bbox.yMin );
-
- root->height = (FT_Short)( ( root->units_per_EM * 12 ) / 10 );
- if ( root->height < root->ascender - root->descender )
- root->height = (FT_Short)( root->ascender - root->descender );
-
- /* now compute the maximum advance width */
- root->max_advance_width =
- (FT_Short)( root->bbox.xMax );
- {
- FT_Pos 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)FIXED_TO_INT( max_advance );
- else
- error = T1_Err_Ok; /* clear error */
- }
-
- root->max_advance_height = root->height;
-
- root->underline_position = (FT_Short)info->underline_position;
- root->underline_thickness = (FT_Short)info->underline_thickness;
- }
-
- {
- FT_Face root = &face->root;
-
-
- if ( psnames && psaux )
- {
- FT_CharMapRec charmap;
- T1_CMap_Classes cmap_classes = psaux->t1_cmap_classes;
- FT_CMap_Class clazz;
-
-
- charmap.face = root;
-
- /* first of all, try to synthesize a Unicode charmap */
- charmap.platform_id = TT_PLATFORM_MICROSOFT;
- charmap.encoding_id = TT_MS_ID_UNICODE_CS;
- charmap.encoding = FT_ENCODING_UNICODE;
-
- error = FT_CMap_New( cmap_classes->unicode, NULL, &charmap, NULL );
- if ( error && FT_Err_No_Unicode_Glyph_Name != error )
- goto Exit;
- error = FT_Err_Ok;
-
- /* now, generate an Adobe Standard encoding when appropriate */
- charmap.platform_id = TT_PLATFORM_ADOBE;
- clazz = NULL;
-
- switch ( type1->encoding_type )
- {
- case T1_ENCODING_TYPE_STANDARD:
- charmap.encoding = FT_ENCODING_ADOBE_STANDARD;
- charmap.encoding_id = TT_ADOBE_ID_STANDARD;
- clazz = cmap_classes->standard;
- break;
-
- case T1_ENCODING_TYPE_EXPERT:
- charmap.encoding = FT_ENCODING_ADOBE_EXPERT;
- charmap.encoding_id = TT_ADOBE_ID_EXPERT;
- clazz = cmap_classes->expert;
- break;
-
- case T1_ENCODING_TYPE_ARRAY:
- charmap.encoding = FT_ENCODING_ADOBE_CUSTOM;
- charmap.encoding_id = TT_ADOBE_ID_CUSTOM;
- clazz = cmap_classes->custom;
- break;
-
- case T1_ENCODING_TYPE_ISOLATIN1:
- charmap.encoding = FT_ENCODING_ADOBE_LATIN_1;
- charmap.encoding_id = TT_ADOBE_ID_LATIN_1;
- clazz = cmap_classes->unicode;
- break;
-
- default:
- ;
- }
-
- if ( clazz )
- error = FT_CMap_New( clazz, NULL, &charmap, NULL );
-
-#if 0
- /* Select default charmap */
- if (root->num_charmaps)
- root->charmap = root->charmaps[0];
-#endif
- }
- }
-
- Exit:
- return error;
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* T1_Driver_Init */
- /* */
- /* <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_Driver_Init( T1_Driver driver )
- {
- FT_UNUSED( driver );
-
- return T1_Err_Ok;
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* T1_Driver_Done */
- /* */
- /* <Description> */
- /* Finalizes a given Type 1 driver. */
- /* */
- /* <Input> */
- /* driver :: A handle to the target Type 1 driver. */
- /* */
- FT_LOCAL_DEF( void )
- T1_Driver_Done( T1_Driver driver )
- {
- FT_UNUSED( driver );
- }
-
-
-/* END */