| Index: third_party/freetype2/src/src/cff/cffdrivr.c
|
| diff --git a/third_party/freetype2/src/src/cff/cffdrivr.c b/third_party/freetype2/src/src/cff/cffdrivr.c
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..9a06b7c83220980608ea99c9cddba2234cf7453a
|
| --- /dev/null
|
| +++ b/third_party/freetype2/src/src/cff/cffdrivr.c
|
| @@ -0,0 +1,911 @@
|
| +/***************************************************************************/
|
| +/* */
|
| +/* cffdrivr.c */
|
| +/* */
|
| +/* OpenType font driver implementation (body). */
|
| +/* */
|
| +/* Copyright 1996-2015 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_FREETYPE_H
|
| +#include FT_INTERNAL_DEBUG_H
|
| +#include FT_INTERNAL_STREAM_H
|
| +#include FT_INTERNAL_SFNT_H
|
| +#include FT_SERVICE_CID_H
|
| +#include FT_SERVICE_POSTSCRIPT_INFO_H
|
| +#include FT_SERVICE_POSTSCRIPT_NAME_H
|
| +#include FT_SERVICE_TT_CMAP_H
|
| +
|
| +#include "cffdrivr.h"
|
| +#include "cffgload.h"
|
| +#include "cffload.h"
|
| +#include "cffcmap.h"
|
| +#include "cffparse.h"
|
| +
|
| +#include "cfferrs.h"
|
| +#include "cffpic.h"
|
| +
|
| +#include FT_SERVICE_FONT_FORMAT_H
|
| +#include FT_SERVICE_GLYPH_DICT_H
|
| +#include FT_SERVICE_PROPERTIES_H
|
| +#include FT_CFF_DRIVER_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_cffdriver
|
| +
|
| +
|
| + /*************************************************************************/
|
| + /*************************************************************************/
|
| + /*************************************************************************/
|
| + /**** ****/
|
| + /**** ****/
|
| + /**** F A C E S ****/
|
| + /**** ****/
|
| + /**** ****/
|
| + /*************************************************************************/
|
| + /*************************************************************************/
|
| + /*************************************************************************/
|
| +
|
| +
|
| + /*************************************************************************/
|
| + /* */
|
| + /* <Function> */
|
| + /* cff_get_kerning */
|
| + /* */
|
| + /* <Description> */
|
| + /* A driver method used to return the kerning vector between two */
|
| + /* glyphs of the same face. */
|
| + /* */
|
| + /* <Input> */
|
| + /* face :: A handle to the source face object. */
|
| + /* */
|
| + /* left_glyph :: The index of the left glyph in the kern pair. */
|
| + /* */
|
| + /* right_glyph :: The index of the right glyph in the kern pair. */
|
| + /* */
|
| + /* <Output> */
|
| + /* kerning :: The kerning vector. This is in font units for */
|
| + /* scalable formats, and in pixels for fixed-sizes */
|
| + /* formats. */
|
| + /* */
|
| + /* <Return> */
|
| + /* FreeType error code. 0 means success. */
|
| + /* */
|
| + /* <Note> */
|
| + /* Only horizontal layouts (left-to-right & right-to-left) are */
|
| + /* supported by this function. Other layouts, or more sophisticated */
|
| + /* kernings, are out of scope of this method (the basic driver */
|
| + /* interface is meant to be simple). */
|
| + /* */
|
| + /* They can be implemented by format-specific interfaces. */
|
| + /* */
|
| + FT_CALLBACK_DEF( FT_Error )
|
| + cff_get_kerning( FT_Face ttface, /* TT_Face */
|
| + FT_UInt left_glyph,
|
| + FT_UInt right_glyph,
|
| + FT_Vector* kerning )
|
| + {
|
| + TT_Face face = (TT_Face)ttface;
|
| + SFNT_Service sfnt = (SFNT_Service)face->sfnt;
|
| +
|
| +
|
| + kerning->x = 0;
|
| + kerning->y = 0;
|
| +
|
| + if ( sfnt )
|
| + kerning->x = sfnt->get_kerning( face, left_glyph, right_glyph );
|
| +
|
| + return FT_Err_Ok;
|
| + }
|
| +
|
| +
|
| + /*************************************************************************/
|
| + /* */
|
| + /* <Function> */
|
| + /* cff_glyph_load */
|
| + /* */
|
| + /* <Description> */
|
| + /* A driver method used to load a glyph within a given glyph slot. */
|
| + /* */
|
| + /* <Input> */
|
| + /* slot :: A handle to the target slot object where the glyph */
|
| + /* will be loaded. */
|
| + /* */
|
| + /* size :: A handle to the source face size at which the glyph */
|
| + /* must be scaled, loaded, etc. */
|
| + /* */
|
| + /* glyph_index :: The index of the glyph in the font file. */
|
| + /* */
|
| + /* load_flags :: A flag indicating what to load for this glyph. The */
|
| + /* FT_LOAD_??? constants can be used to control the */
|
| + /* glyph loading process (e.g., whether the outline */
|
| + /* should be scaled, whether to load bitmaps or not, */
|
| + /* whether to hint the outline, etc). */
|
| + /* */
|
| + /* <Return> */
|
| + /* FreeType error code. 0 means success. */
|
| + /* */
|
| + FT_CALLBACK_DEF( FT_Error )
|
| + cff_glyph_load( FT_GlyphSlot cffslot, /* CFF_GlyphSlot */
|
| + FT_Size cffsize, /* CFF_Size */
|
| + FT_UInt glyph_index,
|
| + FT_Int32 load_flags )
|
| + {
|
| + FT_Error error;
|
| + CFF_GlyphSlot slot = (CFF_GlyphSlot)cffslot;
|
| + CFF_Size size = (CFF_Size)cffsize;
|
| +
|
| +
|
| + if ( !slot )
|
| + return FT_THROW( Invalid_Slot_Handle );
|
| +
|
| + FT_TRACE1(( "cff_glyph_load: glyph index %d\n", glyph_index ));
|
| +
|
| + /* check whether we want a scaled outline or bitmap */
|
| + if ( !size )
|
| + load_flags |= FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING;
|
| +
|
| + /* reset the size object if necessary */
|
| + if ( load_flags & FT_LOAD_NO_SCALE )
|
| + size = NULL;
|
| +
|
| + if ( size )
|
| + {
|
| + /* these two objects must have the same parent */
|
| + if ( cffsize->face != cffslot->face )
|
| + return FT_THROW( Invalid_Face_Handle );
|
| + }
|
| +
|
| + /* now load the glyph outline if necessary */
|
| + error = cff_slot_load( slot, size, glyph_index, load_flags );
|
| +
|
| + /* force drop-out mode to 2 - irrelevant now */
|
| + /* slot->outline.dropout_mode = 2; */
|
| +
|
| + return error;
|
| + }
|
| +
|
| +
|
| + FT_CALLBACK_DEF( FT_Error )
|
| + cff_get_advances( FT_Face face,
|
| + FT_UInt start,
|
| + FT_UInt count,
|
| + FT_Int32 flags,
|
| + FT_Fixed* advances )
|
| + {
|
| + FT_UInt nn;
|
| + FT_Error error = FT_Err_Ok;
|
| + FT_GlyphSlot slot = face->glyph;
|
| +
|
| +
|
| + if ( FT_IS_SFNT( face ) )
|
| + {
|
| + /* OpenType 1.7 mandates that the data from `hmtx' table be used; */
|
| + /* it is no longer necessary that those values are identical to */
|
| + /* the values in the `CFF' table */
|
| +
|
| + TT_Face ttface = (TT_Face)face;
|
| + FT_Short dummy;
|
| +
|
| +
|
| + if ( flags & FT_LOAD_VERTICAL_LAYOUT )
|
| + {
|
| + /* check whether we have data from the `vmtx' table at all; */
|
| + /* otherwise we extract the info from the CFF glyphstrings */
|
| + /* (instead of synthesizing a global value using the `OS/2' */
|
| + /* table) */
|
| + if ( !ttface->vertical_info )
|
| + goto Missing_Table;
|
| +
|
| + for ( nn = 0; nn < count; nn++ )
|
| + {
|
| + FT_UShort ah;
|
| +
|
| +
|
| + ( (SFNT_Service)ttface->sfnt )->get_metrics( ttface,
|
| + 1,
|
| + start + nn,
|
| + &dummy,
|
| + &ah );
|
| +
|
| + FT_TRACE5(( " idx %d: advance height %d font units\n",
|
| + start + nn, ah ));
|
| + advances[nn] = ah;
|
| + }
|
| + }
|
| + else
|
| + {
|
| + /* check whether we have data from the `hmtx' table at all */
|
| + if ( !ttface->horizontal.number_Of_HMetrics )
|
| + goto Missing_Table;
|
| +
|
| + for ( nn = 0; nn < count; nn++ )
|
| + {
|
| + FT_UShort aw;
|
| +
|
| +
|
| + ( (SFNT_Service)ttface->sfnt )->get_metrics( ttface,
|
| + 0,
|
| + start + nn,
|
| + &dummy,
|
| + &aw );
|
| +
|
| + FT_TRACE5(( " idx %d: advance width %d font units\n",
|
| + start + nn, aw ));
|
| + advances[nn] = aw;
|
| + }
|
| + }
|
| +
|
| + return error;
|
| + }
|
| +
|
| + Missing_Table:
|
| + flags |= (FT_UInt32)FT_LOAD_ADVANCE_ONLY;
|
| +
|
| + for ( nn = 0; nn < count; nn++ )
|
| + {
|
| + error = cff_glyph_load( slot, face->size, start + nn, flags );
|
| + if ( error )
|
| + break;
|
| +
|
| + advances[nn] = ( flags & FT_LOAD_VERTICAL_LAYOUT )
|
| + ? slot->linearVertAdvance
|
| + : slot->linearHoriAdvance;
|
| + }
|
| +
|
| + return error;
|
| + }
|
| +
|
| +
|
| + /*
|
| + * GLYPH DICT SERVICE
|
| + *
|
| + */
|
| +
|
| + static FT_Error
|
| + cff_get_glyph_name( CFF_Face face,
|
| + FT_UInt glyph_index,
|
| + FT_Pointer buffer,
|
| + FT_UInt buffer_max )
|
| + {
|
| + CFF_Font font = (CFF_Font)face->extra.data;
|
| + FT_String* gname;
|
| + FT_UShort sid;
|
| + FT_Error error;
|
| +
|
| +
|
| + if ( !font->psnames )
|
| + {
|
| + FT_ERROR(( "cff_get_glyph_name:"
|
| + " cannot get glyph name from CFF & CEF fonts\n"
|
| + " "
|
| + " without the `PSNames' module\n" ));
|
| + error = FT_THROW( Missing_Module );
|
| + goto Exit;
|
| + }
|
| +
|
| + /* first, locate the sid in the charset table */
|
| + sid = font->charset.sids[glyph_index];
|
| +
|
| + /* now, lookup the name itself */
|
| + gname = cff_index_get_sid_string( font, sid );
|
| +
|
| + if ( gname )
|
| + FT_STRCPYN( buffer, gname, buffer_max );
|
| +
|
| + error = FT_Err_Ok;
|
| +
|
| + Exit:
|
| + return error;
|
| + }
|
| +
|
| +
|
| + static FT_UInt
|
| + cff_get_name_index( CFF_Face face,
|
| + FT_String* glyph_name )
|
| + {
|
| + CFF_Font cff;
|
| + CFF_Charset charset;
|
| + FT_Service_PsCMaps psnames;
|
| + FT_String* name;
|
| + FT_UShort sid;
|
| + FT_UInt i;
|
| +
|
| +
|
| + cff = (CFF_FontRec *)face->extra.data;
|
| + charset = &cff->charset;
|
| +
|
| + FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS );
|
| + if ( !psnames )
|
| + return 0;
|
| +
|
| + for ( i = 0; i < cff->num_glyphs; i++ )
|
| + {
|
| + sid = charset->sids[i];
|
| +
|
| + if ( sid > 390 )
|
| + name = cff_index_get_string( cff, sid - 391 );
|
| + else
|
| + name = (FT_String *)psnames->adobe_std_strings( sid );
|
| +
|
| + if ( !name )
|
| + continue;
|
| +
|
| + if ( !ft_strcmp( glyph_name, name ) )
|
| + return i;
|
| + }
|
| +
|
| + return 0;
|
| + }
|
| +
|
| +
|
| + FT_DEFINE_SERVICE_GLYPHDICTREC(
|
| + cff_service_glyph_dict,
|
| + (FT_GlyphDict_GetNameFunc) cff_get_glyph_name, /* get_name */
|
| + (FT_GlyphDict_NameIndexFunc)cff_get_name_index /* name_index */
|
| + )
|
| +
|
| +
|
| + /*
|
| + * POSTSCRIPT INFO SERVICE
|
| + *
|
| + */
|
| +
|
| + static FT_Int
|
| + cff_ps_has_glyph_names( FT_Face face )
|
| + {
|
| + return ( face->face_flags & FT_FACE_FLAG_GLYPH_NAMES ) > 0;
|
| + }
|
| +
|
| +
|
| + static FT_Error
|
| + cff_ps_get_font_info( CFF_Face face,
|
| + PS_FontInfoRec* afont_info )
|
| + {
|
| + CFF_Font cff = (CFF_Font)face->extra.data;
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| +
|
| + if ( cff && cff->font_info == NULL )
|
| + {
|
| + CFF_FontRecDict dict = &cff->top_font.font_dict;
|
| + PS_FontInfoRec *font_info = NULL;
|
| + FT_Memory memory = face->root.memory;
|
| +
|
| +
|
| + if ( FT_ALLOC( font_info, sizeof ( *font_info ) ) )
|
| + goto Fail;
|
| +
|
| + font_info->version = cff_index_get_sid_string( cff,
|
| + dict->version );
|
| + font_info->notice = cff_index_get_sid_string( cff,
|
| + dict->notice );
|
| + font_info->full_name = cff_index_get_sid_string( cff,
|
| + dict->full_name );
|
| + font_info->family_name = cff_index_get_sid_string( cff,
|
| + dict->family_name );
|
| + font_info->weight = cff_index_get_sid_string( cff,
|
| + dict->weight );
|
| + font_info->italic_angle = dict->italic_angle;
|
| + font_info->is_fixed_pitch = dict->is_fixed_pitch;
|
| + font_info->underline_position = (FT_Short)dict->underline_position;
|
| + font_info->underline_thickness = (FT_UShort)dict->underline_thickness;
|
| +
|
| + cff->font_info = font_info;
|
| + }
|
| +
|
| + if ( cff )
|
| + *afont_info = *cff->font_info;
|
| +
|
| + Fail:
|
| + return error;
|
| + }
|
| +
|
| +
|
| + FT_DEFINE_SERVICE_PSINFOREC(
|
| + cff_service_ps_info,
|
| + (PS_GetFontInfoFunc) cff_ps_get_font_info, /* ps_get_font_info */
|
| + (PS_GetFontExtraFunc) NULL, /* ps_get_font_extra */
|
| + (PS_HasGlyphNamesFunc) cff_ps_has_glyph_names, /* ps_has_glyph_names */
|
| + /* unsupported with CFF fonts */
|
| + (PS_GetFontPrivateFunc)NULL, /* ps_get_font_private */
|
| + /* not implemented */
|
| + (PS_GetFontValueFunc) NULL /* ps_get_font_value */
|
| + )
|
| +
|
| +
|
| + /*
|
| + * POSTSCRIPT NAME SERVICE
|
| + *
|
| + */
|
| +
|
| + static const char*
|
| + cff_get_ps_name( CFF_Face face )
|
| + {
|
| + CFF_Font cff = (CFF_Font)face->extra.data;
|
| + SFNT_Service sfnt = (SFNT_Service)face->sfnt;
|
| +
|
| +
|
| + /* following the OpenType specification 1.7, we return the name stored */
|
| + /* in the `name' table for a CFF wrapped into an SFNT container */
|
| +
|
| + if ( FT_IS_SFNT( FT_FACE( face ) ) && sfnt )
|
| + {
|
| + FT_Library library = FT_FACE_LIBRARY( face );
|
| + FT_Module sfnt_module = FT_Get_Module( library, "sfnt" );
|
| + FT_Service_PsFontName service =
|
| + (FT_Service_PsFontName)ft_module_get_service(
|
| + sfnt_module,
|
| + FT_SERVICE_ID_POSTSCRIPT_FONT_NAME );
|
| +
|
| +
|
| + if ( service && service->get_ps_font_name )
|
| + return service->get_ps_font_name( FT_FACE( face ) );
|
| + }
|
| +
|
| + return (const char*)cff->font_name;
|
| + }
|
| +
|
| +
|
| + FT_DEFINE_SERVICE_PSFONTNAMEREC(
|
| + cff_service_ps_name,
|
| + (FT_PsName_GetFunc)cff_get_ps_name /* get_ps_font_name */
|
| + )
|
| +
|
| +
|
| + /*
|
| + * TT CMAP INFO
|
| + *
|
| + * If the charmap is a synthetic Unicode encoding cmap or
|
| + * a Type 1 standard (or expert) encoding cmap, hide TT CMAP INFO
|
| + * service defined in SFNT module.
|
| + *
|
| + * Otherwise call the service function in the sfnt module.
|
| + *
|
| + */
|
| + static FT_Error
|
| + cff_get_cmap_info( FT_CharMap charmap,
|
| + TT_CMapInfo *cmap_info )
|
| + {
|
| + FT_CMap cmap = FT_CMAP( charmap );
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| + FT_Face face = FT_CMAP_FACE( cmap );
|
| + FT_Library library = FT_FACE_LIBRARY( face );
|
| +
|
| +
|
| + cmap_info->language = 0;
|
| + cmap_info->format = 0;
|
| +
|
| + if ( cmap->clazz != &CFF_CMAP_ENCODING_CLASS_REC_GET &&
|
| + cmap->clazz != &CFF_CMAP_UNICODE_CLASS_REC_GET )
|
| + {
|
| + FT_Module sfnt = FT_Get_Module( library, "sfnt" );
|
| + FT_Service_TTCMaps service =
|
| + (FT_Service_TTCMaps)ft_module_get_service( sfnt,
|
| + FT_SERVICE_ID_TT_CMAP );
|
| +
|
| +
|
| + if ( service && service->get_cmap_info )
|
| + error = service->get_cmap_info( charmap, cmap_info );
|
| + }
|
| +
|
| + return error;
|
| + }
|
| +
|
| +
|
| + FT_DEFINE_SERVICE_TTCMAPSREC(
|
| + cff_service_get_cmap_info,
|
| + (TT_CMap_Info_GetFunc)cff_get_cmap_info /* get_cmap_info */
|
| + )
|
| +
|
| +
|
| + /*
|
| + * CID INFO SERVICE
|
| + *
|
| + */
|
| + static FT_Error
|
| + cff_get_ros( CFF_Face face,
|
| + const char* *registry,
|
| + const char* *ordering,
|
| + FT_Int *supplement )
|
| + {
|
| + FT_Error error = FT_Err_Ok;
|
| + CFF_Font cff = (CFF_Font)face->extra.data;
|
| +
|
| +
|
| + if ( cff )
|
| + {
|
| + CFF_FontRecDict dict = &cff->top_font.font_dict;
|
| +
|
| +
|
| + if ( dict->cid_registry == 0xFFFFU )
|
| + {
|
| + error = FT_THROW( Invalid_Argument );
|
| + goto Fail;
|
| + }
|
| +
|
| + if ( registry )
|
| + {
|
| + if ( cff->registry == NULL )
|
| + cff->registry = cff_index_get_sid_string( cff,
|
| + dict->cid_registry );
|
| + *registry = cff->registry;
|
| + }
|
| +
|
| + if ( ordering )
|
| + {
|
| + if ( cff->ordering == NULL )
|
| + cff->ordering = cff_index_get_sid_string( cff,
|
| + dict->cid_ordering );
|
| + *ordering = cff->ordering;
|
| + }
|
| +
|
| + /*
|
| + * XXX: According to Adobe TechNote #5176, the supplement in CFF
|
| + * can be a real number. We truncate it to fit public API
|
| + * since freetype-2.3.6.
|
| + */
|
| + if ( supplement )
|
| + {
|
| + if ( dict->cid_supplement < FT_INT_MIN ||
|
| + dict->cid_supplement > FT_INT_MAX )
|
| + FT_TRACE1(( "cff_get_ros: too large supplement %d is truncated\n",
|
| + dict->cid_supplement ));
|
| + *supplement = (FT_Int)dict->cid_supplement;
|
| + }
|
| + }
|
| +
|
| + Fail:
|
| + return error;
|
| + }
|
| +
|
| +
|
| + static FT_Error
|
| + cff_get_is_cid( CFF_Face face,
|
| + FT_Bool *is_cid )
|
| + {
|
| + FT_Error error = FT_Err_Ok;
|
| + CFF_Font cff = (CFF_Font)face->extra.data;
|
| +
|
| +
|
| + *is_cid = 0;
|
| +
|
| + if ( cff )
|
| + {
|
| + CFF_FontRecDict dict = &cff->top_font.font_dict;
|
| +
|
| +
|
| + if ( dict->cid_registry != 0xFFFFU )
|
| + *is_cid = 1;
|
| + }
|
| +
|
| + return error;
|
| + }
|
| +
|
| +
|
| + static FT_Error
|
| + cff_get_cid_from_glyph_index( CFF_Face face,
|
| + FT_UInt glyph_index,
|
| + FT_UInt *cid )
|
| + {
|
| + FT_Error error = FT_Err_Ok;
|
| + CFF_Font cff;
|
| +
|
| +
|
| + cff = (CFF_Font)face->extra.data;
|
| +
|
| + if ( cff )
|
| + {
|
| + FT_UInt c;
|
| + CFF_FontRecDict dict = &cff->top_font.font_dict;
|
| +
|
| +
|
| + if ( dict->cid_registry == 0xFFFFU )
|
| + {
|
| + error = FT_THROW( Invalid_Argument );
|
| + goto Fail;
|
| + }
|
| +
|
| + if ( glyph_index > cff->num_glyphs )
|
| + {
|
| + error = FT_THROW( Invalid_Argument );
|
| + goto Fail;
|
| + }
|
| +
|
| + c = cff->charset.sids[glyph_index];
|
| +
|
| + if ( cid )
|
| + *cid = c;
|
| + }
|
| +
|
| + Fail:
|
| + return error;
|
| + }
|
| +
|
| +
|
| + FT_DEFINE_SERVICE_CIDREC(
|
| + cff_service_cid_info,
|
| + (FT_CID_GetRegistryOrderingSupplementFunc)
|
| + cff_get_ros, /* get_ros */
|
| + (FT_CID_GetIsInternallyCIDKeyedFunc)
|
| + cff_get_is_cid, /* get_is_cid */
|
| + (FT_CID_GetCIDFromGlyphIndexFunc)
|
| + cff_get_cid_from_glyph_index /* get_cid_from_glyph_index */
|
| + )
|
| +
|
| +
|
| + /*
|
| + * PROPERTY SERVICE
|
| + *
|
| + */
|
| + static FT_Error
|
| + cff_property_set( FT_Module module, /* CFF_Driver */
|
| + const char* property_name,
|
| + const void* value )
|
| + {
|
| + FT_Error error = FT_Err_Ok;
|
| + CFF_Driver driver = (CFF_Driver)module;
|
| +
|
| +
|
| + if ( !ft_strcmp( property_name, "darkening-parameters" ) )
|
| + {
|
| + FT_Int* darken_params = (FT_Int*)value;
|
| +
|
| + FT_Int x1 = darken_params[0];
|
| + FT_Int y1 = darken_params[1];
|
| + FT_Int x2 = darken_params[2];
|
| + FT_Int y2 = darken_params[3];
|
| + FT_Int x3 = darken_params[4];
|
| + FT_Int y3 = darken_params[5];
|
| + FT_Int x4 = darken_params[6];
|
| + FT_Int y4 = darken_params[7];
|
| +
|
| +
|
| + if ( x1 < 0 || x2 < 0 || x3 < 0 || x4 < 0 ||
|
| + y1 < 0 || y2 < 0 || y3 < 0 || y4 < 0 ||
|
| + x1 > x2 || x2 > x3 || x3 > x4 ||
|
| + y1 > 500 || y2 > 500 || y3 > 500 || y4 > 500 )
|
| + return FT_THROW( Invalid_Argument );
|
| +
|
| + driver->darken_params[0] = x1;
|
| + driver->darken_params[1] = y1;
|
| + driver->darken_params[2] = x2;
|
| + driver->darken_params[3] = y2;
|
| + driver->darken_params[4] = x3;
|
| + driver->darken_params[5] = y3;
|
| + driver->darken_params[6] = x4;
|
| + driver->darken_params[7] = y4;
|
| +
|
| + return error;
|
| + }
|
| + else if ( !ft_strcmp( property_name, "hinting-engine" ) )
|
| + {
|
| + FT_UInt* hinting_engine = (FT_UInt*)value;
|
| +
|
| +
|
| +#ifndef CFF_CONFIG_OPTION_OLD_ENGINE
|
| + if ( *hinting_engine != FT_CFF_HINTING_ADOBE )
|
| + error = FT_ERR( Unimplemented_Feature );
|
| + else
|
| +#endif
|
| + driver->hinting_engine = *hinting_engine;
|
| +
|
| + return error;
|
| + }
|
| + else if ( !ft_strcmp( property_name, "no-stem-darkening" ) )
|
| + {
|
| + FT_Bool* no_stem_darkening = (FT_Bool*)value;
|
| +
|
| +
|
| + driver->no_stem_darkening = *no_stem_darkening;
|
| +
|
| + return error;
|
| + }
|
| +
|
| + FT_TRACE0(( "cff_property_set: missing property `%s'\n",
|
| + property_name ));
|
| + return FT_THROW( Missing_Property );
|
| + }
|
| +
|
| +
|
| + static FT_Error
|
| + cff_property_get( FT_Module module, /* CFF_Driver */
|
| + const char* property_name,
|
| + const void* value )
|
| + {
|
| + FT_Error error = FT_Err_Ok;
|
| + CFF_Driver driver = (CFF_Driver)module;
|
| +
|
| +
|
| + if ( !ft_strcmp( property_name, "darkening-parameters" ) )
|
| + {
|
| + FT_Int* darken_params = driver->darken_params;
|
| + FT_Int* val = (FT_Int*)value;
|
| +
|
| +
|
| + val[0] = darken_params[0];
|
| + val[1] = darken_params[1];
|
| + val[2] = darken_params[2];
|
| + val[3] = darken_params[3];
|
| + val[4] = darken_params[4];
|
| + val[5] = darken_params[5];
|
| + val[6] = darken_params[6];
|
| + val[7] = darken_params[7];
|
| +
|
| + return error;
|
| + }
|
| + else if ( !ft_strcmp( property_name, "hinting-engine" ) )
|
| + {
|
| + FT_UInt hinting_engine = driver->hinting_engine;
|
| + FT_UInt* val = (FT_UInt*)value;
|
| +
|
| +
|
| + *val = hinting_engine;
|
| +
|
| + return error;
|
| + }
|
| + else if ( !ft_strcmp( property_name, "no-stem-darkening" ) )
|
| + {
|
| + FT_Bool no_stem_darkening = driver->no_stem_darkening;
|
| + FT_Bool* val = (FT_Bool*)value;
|
| +
|
| +
|
| + *val = no_stem_darkening;
|
| +
|
| + return error;
|
| + }
|
| +
|
| + FT_TRACE0(( "cff_property_get: missing property `%s'\n",
|
| + property_name ));
|
| + return FT_THROW( Missing_Property );
|
| + }
|
| +
|
| +
|
| + FT_DEFINE_SERVICE_PROPERTIESREC(
|
| + cff_service_properties,
|
| + (FT_Properties_SetFunc)cff_property_set, /* set_property */
|
| + (FT_Properties_GetFunc)cff_property_get ) /* get_property */
|
| +
|
| +
|
| + /*************************************************************************/
|
| + /*************************************************************************/
|
| + /*************************************************************************/
|
| + /**** ****/
|
| + /**** ****/
|
| + /**** D R I V E R I N T E R F A C E ****/
|
| + /**** ****/
|
| + /**** ****/
|
| + /*************************************************************************/
|
| + /*************************************************************************/
|
| + /*************************************************************************/
|
| +
|
| +#ifndef FT_CONFIG_OPTION_NO_GLYPH_NAMES
|
| + FT_DEFINE_SERVICEDESCREC7(
|
| + cff_services,
|
| + FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_CFF,
|
| + FT_SERVICE_ID_POSTSCRIPT_INFO, &CFF_SERVICE_PS_INFO_GET,
|
| + FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &CFF_SERVICE_PS_NAME_GET,
|
| + FT_SERVICE_ID_GLYPH_DICT, &CFF_SERVICE_GLYPH_DICT_GET,
|
| + FT_SERVICE_ID_TT_CMAP, &CFF_SERVICE_GET_CMAP_INFO_GET,
|
| + FT_SERVICE_ID_CID, &CFF_SERVICE_CID_INFO_GET,
|
| + FT_SERVICE_ID_PROPERTIES, &CFF_SERVICE_PROPERTIES_GET
|
| + )
|
| +#else
|
| + FT_DEFINE_SERVICEDESCREC6(
|
| + cff_services,
|
| + FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_CFF,
|
| + FT_SERVICE_ID_POSTSCRIPT_INFO, &CFF_SERVICE_PS_INFO_GET,
|
| + FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &CFF_SERVICE_PS_NAME_GET,
|
| + FT_SERVICE_ID_TT_CMAP, &CFF_SERVICE_GET_CMAP_INFO_GET,
|
| + FT_SERVICE_ID_CID, &CFF_SERVICE_CID_INFO_GET,
|
| + FT_SERVICE_ID_PROPERTIES, &CFF_SERVICE_PROPERTIES_GET
|
| + )
|
| +#endif
|
| +
|
| +
|
| + FT_CALLBACK_DEF( FT_Module_Interface )
|
| + cff_get_interface( FT_Module driver, /* CFF_Driver */
|
| + const char* module_interface )
|
| + {
|
| + FT_Library library;
|
| + FT_Module sfnt;
|
| + FT_Module_Interface result;
|
| +
|
| +
|
| + /* CFF_SERVICES_GET dereferences `library' in PIC mode */
|
| +#ifdef FT_CONFIG_OPTION_PIC
|
| + if ( !driver )
|
| + return NULL;
|
| + library = driver->library;
|
| + if ( !library )
|
| + return NULL;
|
| +#endif
|
| +
|
| + result = ft_service_list_lookup( CFF_SERVICES_GET, module_interface );
|
| + if ( result != NULL )
|
| + return result;
|
| +
|
| + /* `driver' is not yet evaluated in non-PIC mode */
|
| +#ifndef FT_CONFIG_OPTION_PIC
|
| + if ( !driver )
|
| + return NULL;
|
| + library = driver->library;
|
| + if ( !library )
|
| + return NULL;
|
| +#endif
|
| +
|
| + /* we pass our request to the `sfnt' module */
|
| + sfnt = FT_Get_Module( library, "sfnt" );
|
| +
|
| + return sfnt ? sfnt->clazz->get_interface( sfnt, module_interface ) : 0;
|
| + }
|
| +
|
| +
|
| + /* The FT_DriverInterface structure is defined in ftdriver.h. */
|
| +
|
| +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
|
| +#define CFF_SIZE_SELECT cff_size_select
|
| +#else
|
| +#define CFF_SIZE_SELECT 0
|
| +#endif
|
| +
|
| + FT_DEFINE_DRIVER(
|
| + cff_driver_class,
|
| +
|
| + FT_MODULE_FONT_DRIVER |
|
| + FT_MODULE_DRIVER_SCALABLE |
|
| + FT_MODULE_DRIVER_HAS_HINTER |
|
| + FT_MODULE_DRIVER_HINTS_LIGHTLY,
|
| +
|
| + sizeof ( CFF_DriverRec ),
|
| + "cff",
|
| + 0x10000L,
|
| + 0x20000L,
|
| +
|
| + 0, /* module-specific interface */
|
| +
|
| + cff_driver_init, /* FT_Module_Constructor module_init */
|
| + cff_driver_done, /* FT_Module_Destructor module_done */
|
| + cff_get_interface, /* FT_Module_Requester get_interface */
|
| +
|
| + sizeof ( TT_FaceRec ),
|
| + sizeof ( CFF_SizeRec ),
|
| + sizeof ( CFF_GlyphSlotRec ),
|
| +
|
| + cff_face_init, /* FT_Face_InitFunc init_face */
|
| + cff_face_done, /* FT_Face_DoneFunc done_face */
|
| + cff_size_init, /* FT_Size_InitFunc init_size */
|
| + cff_size_done, /* FT_Size_DoneFunc done_size */
|
| + cff_slot_init, /* FT_Slot_InitFunc init_slot */
|
| + cff_slot_done, /* FT_Slot_DoneFunc done_slot */
|
| +
|
| + cff_glyph_load, /* FT_Slot_LoadFunc load_glyph */
|
| +
|
| + cff_get_kerning, /* FT_Face_GetKerningFunc get_kerning */
|
| + 0, /* FT_Face_AttachFunc attach_file */
|
| + cff_get_advances, /* FT_Face_GetAdvancesFunc get_advances */
|
| +
|
| + cff_size_request, /* FT_Size_RequestFunc request_size */
|
| + CFF_SIZE_SELECT /* FT_Size_SelectFunc select_size */
|
| + )
|
| +
|
| +
|
| +/* END */
|
|
|