Index: core/src/fxge/fx_freetype/fxft2.5.01/src/cff/cffobjs.c |
diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/cff/cffobjs.c b/core/src/fxge/fx_freetype/fxft2.5.01/src/cff/cffobjs.c |
deleted file mode 100644 |
index b0ec7423b85d28ba94dca5ee731f981364cd6872..0000000000000000000000000000000000000000 |
--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/cff/cffobjs.c |
+++ /dev/null |
@@ -1,1082 +0,0 @@ |
-/***************************************************************************/ |
-/* */ |
-/* cffobjs.c */ |
-/* */ |
-/* OpenType objects manager (body). */ |
-/* */ |
-/* Copyright 1996-2013 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/ftcalc.h" |
-#include "../../include/freetype/internal/ftstream.h" |
-#include "../../include/freetype/fterrors.h" |
-#include "../../include/freetype/ttnameid.h" |
-#include "../../include/freetype/tttags.h" |
-#include "../../include/freetype/internal/sfnt.h" |
-#include "../../include/freetype/ftcffdrv.h" |
- |
-#include "cffobjs.h" |
-#include "cffload.h" |
-#include "cffcmap.h" |
-#include "cffpic.h" |
- |
-#include "cfferrs.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_cffobjs |
- |
- |
- /*************************************************************************/ |
- /* */ |
- /* SIZE FUNCTIONS */ |
- /* */ |
- /* Note that we store the global hints in the size's `internal' root */ |
- /* field. */ |
- /* */ |
- /*************************************************************************/ |
- |
- |
- static PSH_Globals_Funcs |
- cff_size_get_globals_funcs( CFF_Size size ) |
- { |
- CFF_Face face = (CFF_Face)size->root.face; |
- CFF_Font font = (CFF_Font)face->extra.data; |
- PSHinter_Service pshinter = font->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 ) |
- cff_size_done( FT_Size cffsize ) /* CFF_Size */ |
- { |
- CFF_Size size = (CFF_Size)cffsize; |
- CFF_Face face = (CFF_Face)size->root.face; |
- CFF_Font font = (CFF_Font)face->extra.data; |
- CFF_Internal internal = (CFF_Internal)cffsize->internal; |
- |
- |
- if ( internal ) |
- { |
- PSH_Globals_Funcs funcs; |
- |
- |
- funcs = cff_size_get_globals_funcs( size ); |
- if ( funcs ) |
- { |
- FT_UInt i; |
- |
- |
- funcs->destroy( internal->topfont ); |
- |
- for ( i = font->num_subfonts; i > 0; i-- ) |
- funcs->destroy( internal->subfonts[i - 1] ); |
- } |
- |
- /* `internal' is freed by destroy_size (in ftobjs.c) */ |
- } |
- } |
- |
- |
- /* CFF and Type 1 private dictionaries have slightly different */ |
- /* structures; we need to synthesize a Type 1 dictionary on the fly */ |
- |
- static void |
- cff_make_private_dict( CFF_SubFont subfont, |
- PS_Private priv ) |
- { |
- CFF_Private cpriv = &subfont->private_dict; |
- FT_UInt n, count; |
- |
- |
- FT_MEM_ZERO( priv, sizeof ( *priv ) ); |
- |
- count = priv->num_blue_values = cpriv->num_blue_values; |
- for ( n = 0; n < count; n++ ) |
- priv->blue_values[n] = (FT_Short)cpriv->blue_values[n]; |
- |
- count = priv->num_other_blues = cpriv->num_other_blues; |
- for ( n = 0; n < count; n++ ) |
- priv->other_blues[n] = (FT_Short)cpriv->other_blues[n]; |
- |
- count = priv->num_family_blues = cpriv->num_family_blues; |
- for ( n = 0; n < count; n++ ) |
- priv->family_blues[n] = (FT_Short)cpriv->family_blues[n]; |
- |
- count = priv->num_family_other_blues = cpriv->num_family_other_blues; |
- for ( n = 0; n < count; n++ ) |
- priv->family_other_blues[n] = (FT_Short)cpriv->family_other_blues[n]; |
- |
- priv->blue_scale = cpriv->blue_scale; |
- priv->blue_shift = (FT_Int)cpriv->blue_shift; |
- priv->blue_fuzz = (FT_Int)cpriv->blue_fuzz; |
- |
- priv->standard_width[0] = (FT_UShort)cpriv->standard_width; |
- priv->standard_height[0] = (FT_UShort)cpriv->standard_height; |
- |
- count = priv->num_snap_widths = cpriv->num_snap_widths; |
- for ( n = 0; n < count; n++ ) |
- priv->snap_widths[n] = (FT_Short)cpriv->snap_widths[n]; |
- |
- count = priv->num_snap_heights = cpriv->num_snap_heights; |
- for ( n = 0; n < count; n++ ) |
- priv->snap_heights[n] = (FT_Short)cpriv->snap_heights[n]; |
- |
- priv->force_bold = cpriv->force_bold; |
- priv->language_group = cpriv->language_group; |
- priv->lenIV = cpriv->lenIV; |
- } |
- |
- |
- FT_LOCAL_DEF( FT_Error ) |
- cff_size_init( FT_Size cffsize ) /* CFF_Size */ |
- { |
- CFF_Size size = (CFF_Size)cffsize; |
- FT_Error error = FT_Err_Ok; |
- PSH_Globals_Funcs funcs = cff_size_get_globals_funcs( size ); |
- |
- |
- if ( funcs ) |
- { |
- CFF_Face face = (CFF_Face)cffsize->face; |
- CFF_Font font = (CFF_Font)face->extra.data; |
- CFF_Internal internal = NULL; |
- |
- PS_PrivateRec priv; |
- FT_Memory memory = cffsize->face->memory; |
- |
- FT_UInt i; |
- |
- |
- if ( FT_NEW( internal ) ) |
- goto Exit; |
- |
- cff_make_private_dict( &font->top_font, &priv ); |
- error = funcs->create( cffsize->face->memory, &priv, |
- &internal->topfont ); |
- if ( error ) |
- goto Exit; |
- |
- for ( i = font->num_subfonts; i > 0; i-- ) |
- { |
- CFF_SubFont sub = font->subfonts[i - 1]; |
- |
- |
- cff_make_private_dict( sub, &priv ); |
- error = funcs->create( cffsize->face->memory, &priv, |
- &internal->subfonts[i - 1] ); |
- if ( error ) |
- goto Exit; |
- } |
- |
- cffsize->internal = (FT_Size_Internal)(void*)internal; |
- } |
- |
- size->strike_index = 0xFFFFFFFFUL; |
- |
- Exit: |
- return error; |
- } |
- |
- |
-#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS |
- |
- FT_LOCAL_DEF( FT_Error ) |
- cff_size_select( FT_Size size, |
- FT_ULong strike_index ) |
- { |
- CFF_Size cffsize = (CFF_Size)size; |
- PSH_Globals_Funcs funcs; |
- |
- |
- cffsize->strike_index = strike_index; |
- |
- FT_Select_Metrics( size->face, strike_index ); |
- |
- funcs = cff_size_get_globals_funcs( cffsize ); |
- |
- if ( funcs ) |
- { |
- CFF_Face face = (CFF_Face)size->face; |
- CFF_Font font = (CFF_Font)face->extra.data; |
- CFF_Internal internal = (CFF_Internal)size->internal; |
- |
- FT_ULong top_upm = font->top_font.font_dict.units_per_em; |
- FT_UInt i; |
- |
- |
- funcs->set_scale( internal->topfont, |
- size->metrics.x_scale, size->metrics.y_scale, |
- 0, 0 ); |
- |
- for ( i = font->num_subfonts; i > 0; i-- ) |
- { |
- CFF_SubFont sub = font->subfonts[i - 1]; |
- FT_ULong sub_upm = sub->font_dict.units_per_em; |
- FT_Pos x_scale, y_scale; |
- |
- |
- if ( top_upm != sub_upm ) |
- { |
- x_scale = FT_MulDiv( size->metrics.x_scale, top_upm, sub_upm ); |
- y_scale = FT_MulDiv( size->metrics.y_scale, top_upm, sub_upm ); |
- } |
- else |
- { |
- x_scale = size->metrics.x_scale; |
- y_scale = size->metrics.y_scale; |
- } |
- |
- funcs->set_scale( internal->subfonts[i - 1], |
- x_scale, y_scale, 0, 0 ); |
- } |
- } |
- |
- return FT_Err_Ok; |
- } |
- |
-#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ |
- |
- |
- FT_LOCAL_DEF( FT_Error ) |
- cff_size_request( FT_Size size, |
- FT_Size_Request req ) |
- { |
- CFF_Size cffsize = (CFF_Size)size; |
- PSH_Globals_Funcs funcs; |
- |
- |
-#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS |
- |
- if ( FT_HAS_FIXED_SIZES( size->face ) ) |
- { |
- CFF_Face cffface = (CFF_Face)size->face; |
- SFNT_Service sfnt = (SFNT_Service)cffface->sfnt; |
- FT_ULong strike_index; |
- |
- |
- if ( sfnt->set_sbit_strike( cffface, req, &strike_index ) ) |
- cffsize->strike_index = 0xFFFFFFFFUL; |
- else |
- return cff_size_select( size, strike_index ); |
- } |
- |
-#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ |
- |
- FT_Request_Metrics( size->face, req ); |
- |
- funcs = cff_size_get_globals_funcs( cffsize ); |
- |
- if ( funcs ) |
- { |
- CFF_Face cffface = (CFF_Face)size->face; |
- CFF_Font font = (CFF_Font)cffface->extra.data; |
- CFF_Internal internal = (CFF_Internal)size->internal; |
- |
- FT_ULong top_upm = font->top_font.font_dict.units_per_em; |
- FT_UInt i; |
- |
- |
- funcs->set_scale( internal->topfont, |
- size->metrics.x_scale, size->metrics.y_scale, |
- 0, 0 ); |
- |
- for ( i = font->num_subfonts; i > 0; i-- ) |
- { |
- CFF_SubFont sub = font->subfonts[i - 1]; |
- FT_ULong sub_upm = sub->font_dict.units_per_em; |
- FT_Pos x_scale, y_scale; |
- |
- |
- if ( top_upm != sub_upm ) |
- { |
- x_scale = FT_MulDiv( size->metrics.x_scale, top_upm, sub_upm ); |
- y_scale = FT_MulDiv( size->metrics.y_scale, top_upm, sub_upm ); |
- } |
- else |
- { |
- x_scale = size->metrics.x_scale; |
- y_scale = size->metrics.y_scale; |
- } |
- |
- funcs->set_scale( internal->subfonts[i - 1], |
- x_scale, y_scale, 0, 0 ); |
- } |
- } |
- |
- return FT_Err_Ok; |
- } |
- |
- |
- /*************************************************************************/ |
- /* */ |
- /* SLOT FUNCTIONS */ |
- /* */ |
- /*************************************************************************/ |
- |
- FT_LOCAL_DEF( void ) |
- cff_slot_done( FT_GlyphSlot slot ) |
- { |
- slot->internal->glyph_hints = 0; |
- } |
- |
- |
- FT_LOCAL_DEF( FT_Error ) |
- cff_slot_init( FT_GlyphSlot slot ) |
- { |
- CFF_Face face = (CFF_Face)slot->face; |
- CFF_Font font = (CFF_Font)face->extra.data; |
- PSHinter_Service pshinter = font->pshinter; |
- |
- |
- if ( pshinter ) |
- { |
- FT_Module module; |
- |
- |
- module = FT_Get_Module( slot->face->driver->root.library, |
- "pshinter" ); |
- if ( module ) |
- { |
- T2_Hints_Funcs funcs; |
- |
- |
- funcs = pshinter->get_t2_funcs( module ); |
- slot->internal->glyph_hints = (void*)funcs; |
- } |
- } |
- |
- return FT_Err_Ok; |
- } |
- |
- |
- /*************************************************************************/ |
- /* */ |
- /* FACE FUNCTIONS */ |
- /* */ |
- /*************************************************************************/ |
- |
- static FT_String* |
- cff_strcpy( FT_Memory memory, |
- const FT_String* source ) |
- { |
- FT_Error error; |
- FT_String* result; |
- |
- |
- (void)FT_STRDUP( result, source ); |
- |
- FT_UNUSED( error ); |
- |
- return result; |
- } |
- |
- |
- /* Strip all subset prefixes of the form `ABCDEF+'. Usually, there */ |
- /* is only one, but font names like `APCOOG+JFABTD+FuturaBQ-Bold' */ |
- /* have been seen in the wild. */ |
- |
- static void |
- remove_subset_prefix( FT_String* name ) |
- { |
- FT_Int32 idx = 0; |
- FT_Int32 length = (FT_Int32)strlen( name ) + 1; |
- FT_Bool continue_search = 1; |
- |
- |
- while ( continue_search ) |
- { |
- if ( length >= 7 && name[6] == '+' ) |
- { |
- for ( idx = 0; idx < 6; idx++ ) |
- { |
- /* ASCII uppercase letters */ |
- if ( !( 'A' <= name[idx] && name[idx] <= 'Z' ) ) |
- continue_search = 0; |
- } |
- |
- if ( continue_search ) |
- { |
- for ( idx = 7; idx < length; idx++ ) |
- name[idx - 7] = name[idx]; |
- length -= 7; |
- } |
- } |
- else |
- continue_search = 0; |
- } |
- } |
- |
- |
- /* Remove the style part from the family name (if present). */ |
- |
- static void |
- remove_style( FT_String* family_name, |
- const FT_String* style_name ) |
- { |
- FT_Int32 family_name_length, style_name_length; |
- |
- |
- family_name_length = (FT_Int32)strlen( family_name ); |
- style_name_length = (FT_Int32)strlen( style_name ); |
- |
- if ( family_name_length > style_name_length ) |
- { |
- FT_Int idx; |
- |
- |
- for ( idx = 1; idx <= style_name_length; ++idx ) |
- { |
- if ( family_name[family_name_length - idx] != |
- style_name[style_name_length - idx] ) |
- break; |
- } |
- |
- if ( idx > style_name_length ) |
- { |
- /* family_name ends with style_name; remove it */ |
- idx = family_name_length - style_name_length - 1; |
- |
- /* also remove special characters */ |
- /* between real family name and style */ |
- while ( idx > 0 && |
- ( family_name[idx] == '-' || |
- family_name[idx] == ' ' || |
- family_name[idx] == '_' || |
- family_name[idx] == '+' ) ) |
- --idx; |
- |
- if ( idx > 0 ) |
- family_name[idx + 1] = '\0'; |
- } |
- } |
- } |
- |
- |
- FT_LOCAL_DEF( FT_Error ) |
- cff_face_init( FT_Stream stream, |
- FT_Face cffface, /* CFF_Face */ |
- FT_Int face_index, |
- FT_Int num_params, |
- FT_Parameter* params ) |
- { |
- CFF_Face face = (CFF_Face)cffface; |
- FT_Error error; |
- SFNT_Service sfnt; |
- FT_Service_PsCMaps psnames; |
- PSHinter_Service pshinter; |
- FT_Bool pure_cff = 1; |
- FT_Bool sfnt_format = 0; |
- FT_Library library = cffface->driver->root.library; |
- |
- |
- sfnt = (SFNT_Service)FT_Get_Module_Interface( |
- library, "sfnt" ); |
- if ( !sfnt ) |
- { |
- FT_ERROR(( "cff_face_init: cannot access `sfnt' module\n" )); |
- error = FT_THROW( Missing_Module ); |
- goto Exit; |
- } |
- |
- FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS ); |
- |
- pshinter = (PSHinter_Service)FT_Get_Module_Interface( |
- library, "pshinter" ); |
- |
- FT_TRACE2(( "CFF driver\n" )); |
- |
- /* create input stream from resource */ |
- if ( FT_STREAM_SEEK( 0 ) ) |
- goto Exit; |
- |
- /* check whether we have a valid OpenType file */ |
- error = sfnt->init_face( stream, face, face_index, num_params, params ); |
- if ( !error ) |
- { |
- if ( face->format_tag != TTAG_OTTO && |
- face->format_tag != 0x00010000UL ) /* `OTTO'; OpenType/CFF font */ |
- { |
- FT_TRACE2(( " not an OpenType/CFF font\n" )); |
- error = FT_THROW( Unknown_File_Format ); |
- goto Exit; |
- } |
- |
- /* if we are performing a simple font format check, exit immediately */ |
- if ( face_index < 0 ) |
- return FT_Err_Ok; |
- |
- sfnt_format = 1; |
- |
- /* now, the font can be either an OpenType/CFF font, or an SVG CEF */ |
- /* font; in the latter case it doesn't have a `head' table */ |
- error = face->goto_table( face, TTAG_head, stream, 0 ); |
- if ( !error ) |
- { |
- pure_cff = 0; |
- |
- /* load font directory */ |
- error = sfnt->load_face( stream, face, face_index, |
- num_params, params ); |
- if ( error ) |
- goto Exit; |
- } |
- else |
- { |
- /* load the `cmap' table explicitly */ |
- error = sfnt->load_cmap( face, stream ); |
- if ( error ) |
- goto Exit; |
- } |
- |
- /* now load the CFF part of the file */ |
- error = face->goto_table( face, TTAG_CFF, stream, 0 ); |
- if ( error ) |
- goto Exit; |
- } |
- else |
- { |
- /* rewind to start of file; we are going to load a pure-CFF font */ |
- if ( FT_STREAM_SEEK( 0 ) ) |
- goto Exit; |
- error = FT_Err_Ok; |
- } |
- |
- /* now load and parse the CFF table in the file */ |
- { |
- CFF_Font cff = NULL; |
- CFF_FontRecDict dict; |
- FT_Memory memory = cffface->memory; |
- FT_Int32 flags; |
- FT_UInt i; |
- |
- |
- if ( FT_NEW( cff ) ) |
- goto Exit; |
- |
- face->extra.data = cff; |
- error = cff_font_load( library, stream, face_index, cff, pure_cff ); |
- if ( error ) |
- goto Exit; |
- |
- cff->pshinter = pshinter; |
- cff->psnames = psnames; |
- |
- cffface->face_index = face_index; |
- |
- /* Complement the root flags with some interesting information. */ |
- /* Note that this is only necessary for pure CFF and CEF fonts; */ |
- /* SFNT based fonts use the `name' table instead. */ |
- |
- cffface->num_glyphs = cff->num_glyphs; |
- |
- dict = &cff->top_font.font_dict; |
- |
- /* we need the `PSNames' module for CFF and CEF formats */ |
- /* which aren't CID-keyed */ |
- if ( dict->cid_registry == 0xFFFFU && !psnames ) |
- { |
- FT_ERROR(( "cff_face_init:" |
- " cannot open CFF & CEF fonts\n" |
- " " |
- " without the `PSNames' module\n" )); |
- error = FT_THROW( Missing_Module ); |
- goto Exit; |
- } |
- |
-#ifdef FT_DEBUG_LEVEL_TRACE |
- { |
- FT_UInt idx; |
- FT_String* s; |
- |
- |
- FT_TRACE4(( "SIDs\n" )); |
- |
- /* dump string index, including default strings for convenience */ |
- for ( idx = 0; idx < cff->num_strings + 390; idx++ ) |
- { |
- s = cff_index_get_sid_string( cff, idx ); |
- if ( s ) |
- FT_TRACE4((" %5d %s\n", idx, s )); |
- } |
- } |
-#endif /* FT_DEBUG_LEVEL_TRACE */ |
- |
- if ( !dict->has_font_matrix ) |
- dict->units_per_em = pure_cff ? 1000 : face->root.units_per_EM; |
- |
- /* Normalize the font matrix so that `matrix->xx' is 1; the */ |
- /* scaling is done with `units_per_em' then (at this point, */ |
- /* it already contains the scaling factor, but without */ |
- /* normalization of the matrix). */ |
- /* */ |
- /* Note that the offsets must be expressed in integer font */ |
- /* units. */ |
- |
- { |
- FT_Matrix* matrix = &dict->font_matrix; |
- FT_Vector* offset = &dict->font_offset; |
- FT_ULong* upm = &dict->units_per_em; |
- FT_Fixed temp = FT_ABS( matrix->yy ); |
- |
- |
- if ( temp != 0x10000L ) |
- { |
- *upm = FT_DivFix( *upm, temp ); |
- |
- matrix->xx = FT_DivFix( matrix->xx, temp ); |
- matrix->yx = FT_DivFix( matrix->yx, temp ); |
- matrix->xy = FT_DivFix( matrix->xy, temp ); |
- matrix->yy = FT_DivFix( matrix->yy, temp ); |
- offset->x = FT_DivFix( offset->x, temp ); |
- offset->y = FT_DivFix( offset->y, temp ); |
- } |
- |
- offset->x >>= 16; |
- offset->y >>= 16; |
- } |
- |
- for ( i = cff->num_subfonts; i > 0; i-- ) |
- { |
- CFF_FontRecDict sub = &cff->subfonts[i - 1]->font_dict; |
- CFF_FontRecDict top = &cff->top_font.font_dict; |
- |
- FT_Matrix* matrix; |
- FT_Vector* offset; |
- FT_ULong* upm; |
- FT_Fixed temp; |
- |
- |
- if ( sub->has_font_matrix ) |
- { |
- FT_Long scaling; |
- |
- |
- /* if we have a top-level matrix, */ |
- /* concatenate the subfont matrix */ |
- |
- if ( top->has_font_matrix ) |
- { |
- if ( top->units_per_em > 1 && sub->units_per_em > 1 ) |
- scaling = FT_MIN( top->units_per_em, sub->units_per_em ); |
- else |
- scaling = 1; |
- |
- FT_Matrix_Multiply_Scaled( &top->font_matrix, |
- &sub->font_matrix, |
- scaling ); |
- FT_Vector_Transform_Scaled( &sub->font_offset, |
- &top->font_matrix, |
- scaling ); |
- |
- sub->units_per_em = FT_MulDiv( sub->units_per_em, |
- top->units_per_em, |
- scaling ); |
- } |
- } |
- else |
- { |
- sub->font_matrix = top->font_matrix; |
- sub->font_offset = top->font_offset; |
- |
- sub->units_per_em = top->units_per_em; |
- } |
- |
- matrix = &sub->font_matrix; |
- offset = &sub->font_offset; |
- upm = &sub->units_per_em; |
- temp = FT_ABS( matrix->yy ); |
- |
- if ( temp != 0x10000L ) |
- { |
- *upm = FT_DivFix( *upm, temp ); |
- |
- matrix->xx = FT_DivFix( matrix->xx, temp ); |
- matrix->yx = FT_DivFix( matrix->yx, temp ); |
- matrix->xy = FT_DivFix( matrix->xy, temp ); |
- matrix->yy = FT_DivFix( matrix->yy, temp ); |
- offset->x = FT_DivFix( offset->x, temp ); |
- offset->y = FT_DivFix( offset->y, temp ); |
- } |
- |
- offset->x >>= 16; |
- offset->y >>= 16; |
- } |
- |
- if ( pure_cff ) |
- { |
- char* style_name = NULL; |
- |
- |
- /* set up num_faces */ |
- cffface->num_faces = cff->num_faces; |
- |
- /* compute number of glyphs */ |
- if ( dict->cid_registry != 0xFFFFU ) |
- cffface->num_glyphs = cff->charset.max_cid + 1; |
- else |
- cffface->num_glyphs = cff->charstrings_index.count; |
- |
- /* set global bbox, as well as EM size */ |
- cffface->bbox.xMin = dict->font_bbox.xMin >> 16; |
- cffface->bbox.yMin = dict->font_bbox.yMin >> 16; |
- /* no `U' suffix here to 0xFFFF! */ |
- cffface->bbox.xMax = ( dict->font_bbox.xMax + 0xFFFF ) >> 16; |
- cffface->bbox.yMax = ( dict->font_bbox.yMax + 0xFFFF ) >> 16; |
- |
- cffface->units_per_EM = (FT_UShort)( dict->units_per_em ); |
- |
- cffface->ascender = (FT_Short)( cffface->bbox.yMax ); |
- cffface->descender = (FT_Short)( cffface->bbox.yMin ); |
- |
- cffface->height = (FT_Short)( ( cffface->units_per_EM * 12 ) / 10 ); |
- if ( cffface->height < cffface->ascender - cffface->descender ) |
- cffface->height = (FT_Short)( cffface->ascender - cffface->descender ); |
- |
- cffface->underline_position = |
- (FT_Short)( dict->underline_position >> 16 ); |
- cffface->underline_thickness = |
- (FT_Short)( dict->underline_thickness >> 16 ); |
- |
- /* retrieve font family & style name */ |
- cffface->family_name = cff_index_get_name( cff, face_index ); |
- if ( cffface->family_name ) |
- { |
- char* full = cff_index_get_sid_string( cff, |
- dict->full_name ); |
- char* fullp = full; |
- char* family = cffface->family_name; |
- char* family_name = NULL; |
- |
- |
- remove_subset_prefix( cffface->family_name ); |
- |
- if ( dict->family_name ) |
- { |
- family_name = cff_index_get_sid_string( cff, |
- dict->family_name ); |
- if ( family_name ) |
- family = family_name; |
- } |
- |
- /* We try to extract the style name from the full name. */ |
- /* We need to ignore spaces and dashes during the search. */ |
- if ( full && family ) |
- { |
- while ( *fullp ) |
- { |
- /* skip common characters at the start of both strings */ |
- if ( *fullp == *family ) |
- { |
- family++; |
- fullp++; |
- continue; |
- } |
- |
- /* ignore spaces and dashes in full name during comparison */ |
- if ( *fullp == ' ' || *fullp == '-' ) |
- { |
- fullp++; |
- continue; |
- } |
- |
- /* ignore spaces and dashes in family name during comparison */ |
- if ( *family == ' ' || *family == '-' ) |
- { |
- family++; |
- continue; |
- } |
- |
- if ( !*family && *fullp ) |
- { |
- /* The full name begins with the same characters as the */ |
- /* family name, with spaces and dashes removed. In this */ |
- /* case, the remaining string in `fullp' will be used as */ |
- /* the style name. */ |
- style_name = cff_strcpy( memory, fullp ); |
- |
- /* remove the style part from the family name (if present) */ |
- remove_style( cffface->family_name, style_name ); |
- } |
- break; |
- } |
- } |
- } |
- else |
- { |
- char *cid_font_name = |
- cff_index_get_sid_string( cff, |
- dict->cid_font_name ); |
- |
- |
- /* do we have a `/FontName' for a CID-keyed font? */ |
- if ( cid_font_name ) |
- cffface->family_name = cff_strcpy( memory, cid_font_name ); |
- } |
- |
- if ( style_name ) |
- cffface->style_name = style_name; |
- else |
- /* assume "Regular" style if we don't know better */ |
- cffface->style_name = cff_strcpy( memory, (char *)"Regular" ); |
- |
- /*******************************************************************/ |
- /* */ |
- /* Compute face flags. */ |
- /* */ |
- flags = FT_FACE_FLAG_SCALABLE | /* scalable outlines */ |
- FT_FACE_FLAG_HORIZONTAL | /* horizontal data */ |
- FT_FACE_FLAG_HINTER; /* has native hinter */ |
- |
- if ( sfnt_format ) |
- flags |= FT_FACE_FLAG_SFNT; |
- |
- /* fixed width font? */ |
- if ( dict->is_fixed_pitch ) |
- flags |= FT_FACE_FLAG_FIXED_WIDTH; |
- |
- /* XXX: WE DO NOT SUPPORT KERNING METRICS IN THE GPOS TABLE FOR NOW */ |
-#if 0 |
- /* kerning available? */ |
- if ( face->kern_pairs ) |
- flags |= FT_FACE_FLAG_KERNING; |
-#endif |
- |
- cffface->face_flags = flags; |
- |
- /*******************************************************************/ |
- /* */ |
- /* Compute style flags. */ |
- /* */ |
- flags = 0; |
- |
- if ( dict->italic_angle ) |
- flags |= FT_STYLE_FLAG_ITALIC; |
- |
- { |
- char *weight = cff_index_get_sid_string( cff, |
- dict->weight ); |
- |
- |
- if ( weight ) |
- if ( !ft_strcmp( weight, "Bold" ) || |
- !ft_strcmp( weight, "Black" ) ) |
- flags |= FT_STYLE_FLAG_BOLD; |
- } |
- |
- /* double check */ |
- if ( !(flags & FT_STYLE_FLAG_BOLD) && cffface->style_name ) |
- if ( !ft_strncmp( cffface->style_name, "Bold", 4 ) || |
- !ft_strncmp( cffface->style_name, "Black", 5 ) ) |
- flags |= FT_STYLE_FLAG_BOLD; |
- |
- if ( !(flags & FT_STYLE_FLAG_ITALIC) && cffface->style_name ) |
- if ( !ft_strncmp( cffface->style_name, "Italic", 6 ) ) |
- flags |= FT_STYLE_FLAG_ITALIC; |
- |
- cffface->style_flags = flags; |
- } |
- |
- |
-#ifndef FT_CONFIG_OPTION_NO_GLYPH_NAMES |
- /* CID-keyed CFF fonts don't have glyph names -- the SFNT loader */ |
- /* has unset this flag because of the 3.0 `post' table. */ |
- if ( dict->cid_registry == 0xFFFFU ) |
- cffface->face_flags |= FT_FACE_FLAG_GLYPH_NAMES; |
-#endif |
- |
- if ( dict->cid_registry != 0xFFFFU && pure_cff ) |
- cffface->face_flags |= FT_FACE_FLAG_CID_KEYED; |
- |
- |
- /*******************************************************************/ |
- /* */ |
- /* Compute char maps. */ |
- /* */ |
- |
- /* Try to synthesize a Unicode charmap if there is none available */ |
- /* already. If an OpenType font contains a Unicode "cmap", we */ |
- /* will use it, whatever be in the CFF part of the file. */ |
- { |
- FT_CharMapRec cmaprec; |
- FT_CharMap cmap; |
- FT_UInt nn; |
- CFF_Encoding encoding = &cff->encoding; |
- |
- |
- for ( nn = 0; nn < (FT_UInt)cffface->num_charmaps; nn++ ) |
- { |
- cmap = cffface->charmaps[nn]; |
- |
- /* Windows Unicode? */ |
- if ( cmap->platform_id == TT_PLATFORM_MICROSOFT && |
- cmap->encoding_id == TT_MS_ID_UNICODE_CS ) |
- goto Skip_Unicode; |
- |
- /* Apple Unicode platform id? */ |
- if ( cmap->platform_id == TT_PLATFORM_APPLE_UNICODE ) |
- goto Skip_Unicode; /* Apple Unicode */ |
- } |
- |
- /* since CID-keyed fonts don't contain glyph names, we can't */ |
- /* construct a cmap */ |
- if ( pure_cff && cff->top_font.font_dict.cid_registry != 0xFFFFU ) |
- goto Exit; |
- |
-#ifdef FT_MAX_CHARMAP_CACHEABLE |
- if ( nn + 1 > FT_MAX_CHARMAP_CACHEABLE ) |
- { |
- FT_ERROR(( "cff_face_init: no Unicode cmap is found, " |
- "and too many subtables (%d) to add synthesized cmap\n", |
- nn )); |
- goto Exit; |
- } |
-#endif |
- |
- /* we didn't find a Unicode charmap -- synthesize one */ |
- cmaprec.face = cffface; |
- cmaprec.platform_id = TT_PLATFORM_MICROSOFT; |
- cmaprec.encoding_id = TT_MS_ID_UNICODE_CS; |
- cmaprec.encoding = FT_ENCODING_UNICODE; |
- |
- nn = (FT_UInt)cffface->num_charmaps; |
- |
- error = FT_CMap_New( &CFF_CMAP_UNICODE_CLASS_REC_GET, NULL, |
- &cmaprec, NULL ); |
- if ( error && |
- FT_ERR_NEQ( error, No_Unicode_Glyph_Name ) ) |
- goto Exit; |
- error = FT_Err_Ok; |
- |
- /* if no Unicode charmap was previously selected, select this one */ |
- if ( cffface->charmap == NULL && nn != (FT_UInt)cffface->num_charmaps ) |
- cffface->charmap = cffface->charmaps[nn]; |
- |
- Skip_Unicode: |
-#ifdef FT_MAX_CHARMAP_CACHEABLE |
- if ( nn > FT_MAX_CHARMAP_CACHEABLE ) |
- { |
- FT_ERROR(( "cff_face_init: Unicode cmap is found, " |
- "but too many preceding subtables (%d) to access\n", |
- nn - 1 )); |
- goto Exit; |
- } |
-#endif |
- if ( encoding->count > 0 ) |
- { |
- FT_CMap_Class clazz; |
- |
- |
- cmaprec.face = cffface; |
- cmaprec.platform_id = TT_PLATFORM_ADOBE; /* Adobe platform id */ |
- |
- if ( encoding->offset == 0 ) |
- { |
- cmaprec.encoding_id = TT_ADOBE_ID_STANDARD; |
- cmaprec.encoding = FT_ENCODING_ADOBE_STANDARD; |
- clazz = &CFF_CMAP_ENCODING_CLASS_REC_GET; |
- } |
- else if ( encoding->offset == 1 ) |
- { |
- cmaprec.encoding_id = TT_ADOBE_ID_EXPERT; |
- cmaprec.encoding = FT_ENCODING_ADOBE_EXPERT; |
- clazz = &CFF_CMAP_ENCODING_CLASS_REC_GET; |
- } |
- else |
- { |
- cmaprec.encoding_id = TT_ADOBE_ID_CUSTOM; |
- cmaprec.encoding = FT_ENCODING_ADOBE_CUSTOM; |
- clazz = &CFF_CMAP_ENCODING_CLASS_REC_GET; |
- } |
- |
- error = FT_CMap_New( clazz, NULL, &cmaprec, NULL ); |
- } |
- } |
- } |
- |
- Exit: |
- return error; |
- } |
- |
- |
- FT_LOCAL_DEF( void ) |
- cff_face_done( FT_Face cffface ) /* CFF_Face */ |
- { |
- CFF_Face face = (CFF_Face)cffface; |
- FT_Memory memory; |
- SFNT_Service sfnt; |
- |
- |
- if ( !face ) |
- return; |
- |
- memory = cffface->memory; |
- sfnt = (SFNT_Service)face->sfnt; |
- |
- if ( sfnt ) |
- sfnt->done_face( face ); |
- |
- { |
- CFF_Font cff = (CFF_Font)face->extra.data; |
- |
- |
- if ( cff ) |
- { |
- cff_font_done( cff ); |
- FT_FREE( face->extra.data ); |
- } |
- } |
- } |
- |
- |
- FT_LOCAL_DEF( FT_Error ) |
- cff_driver_init( FT_Module module ) /* CFF_Driver */ |
- { |
- CFF_Driver driver = (CFF_Driver)module; |
- |
- |
- /* set default property values */ |
-#ifdef CFF_CONFIG_OPTION_OLD_ENGINE |
- driver->hinting_engine = FT_CFF_HINTING_FREETYPE; |
-#else |
- driver->hinting_engine = FT_CFF_HINTING_ADOBE; |
-#endif |
- driver->no_stem_darkening = FALSE; |
- |
- return FT_Err_Ok; |
- } |
- |
- |
- FT_LOCAL_DEF( void ) |
- cff_driver_done( FT_Module module ) /* CFF_Driver */ |
- { |
- FT_UNUSED( module ); |
- } |
- |
- |
-/* END */ |