+++ /dev/null
-/***************************************************************************/
-/* */
-/* t1driver.c */
-/* */
-/* Type 1 driver interface (body). */
-/* */
-/* Copyright 1996-2000 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. */
-/* */
-/***************************************************************************/
-
-
-#ifdef FT_FLAT_COMPILE
-
-#include "t1driver.h"
-#include "t1gload.h"
-#include "t1afm.h"
-
-#else
-
-#include <freetype/src/type1/t1driver.h>
-#include <freetype/src/type1/t1gload.h>
-#include <freetype/src/type1/t1afm.h>
-
-#endif
-
-
-#include <freetype/internal/ftdebug.h>
-#include <freetype/internal/ftstream.h>
-#include <freetype/internal/psnames.h>
-
-#include <string.h> /* for strcmp() */
-
-
- /*************************************************************************/
- /* */
- /* 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_t1driver
-
-
-#ifndef T1_CONFIG_OPTION_NO_AFM
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* 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. */
- /* */
- static
- FT_Error Get_Kerning( T1_Face face,
- FT_UInt left_glyph,
- FT_UInt right_glyph,
- FT_Vector* kerning )
- {
- T1_AFM* afm;
-
-
- kerning->x = 0;
- kerning->y = 0;
-
- afm = (T1_AFM*)face->afm_data;
- if ( afm )
- T1_Get_Kerning( afm, left_glyph, right_glyph, kerning );
-
- return T1_Err_Ok;
- }
-
-
-#endif /* T1_CONFIG_OPTION_NO_AFM */
-
-
- static
- FT_Error get_t1_glyph_name( T1_Face face,
- FT_UInt glyph_index,
- FT_Pointer buffer,
- FT_UInt buffer_max )
- {
- FT_String* gname;
-
-
- gname = face->type1.glyph_names[glyph_index];
-
- if ( buffer_max > 0 )
- {
- FT_UInt len = strlen( gname );
-
-
- if ( len >= buffer_max )
- len = buffer_max - 1;
-
- MEM_Copy( buffer, gname, len );
- ((FT_Byte*)buffer)[len] = 0;
- }
-
- return T1_Err_Ok;
- }
-
-
- static
- FT_Module_Interface T1_Get_Interface( FT_Module module,
- const char* interface )
- {
- FT_UNUSED( module );
-
- if ( strcmp( interface, "glyph_name" ) == 0 )
- return (FT_Module_Interface)get_t1_glyph_name;
-
- return 0;
- }
-
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* Set_Char_Sizes */
- /* */
- /* <Description> */
- /* A driver method used to reset a size's character sizes (horizontal */
- /* and vertical) expressed in fractional points. */
- /* */
- /* <Input> */
- /* char_width :: The character width expressed in 26.6 */
- /* fractional points. */
- /* */
- /* char_height :: The character height expressed in 26.6 */
- /* fractional points. */
- /* */
- /* horz_resolution :: The horizontal resolution of the output device. */
- /* */
- /* vert_resolution :: The vertical resolution of the output device. */
- /* */
- /* <InOut> */
- /* size :: A handle to the target size object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- static
- FT_Error Set_Char_Sizes( T1_Size size,
- FT_F26Dot6 char_width,
- FT_F26Dot6 char_height,
- FT_UInt horz_resolution,
- FT_UInt vert_resolution )
- {
- FT_UNUSED( char_width );
- FT_UNUSED( char_height );
- FT_UNUSED( horz_resolution );
- FT_UNUSED( vert_resolution );
-
- size->valid = FALSE;
-
- return T1_Reset_Size( size );
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* Set_Pixel_Sizes */
- /* */
- /* <Description> */
- /* A driver method used to reset a size's character sizes (horizontal */
- /* and vertical) expressed in integer pixels. */
- /* */
- /* <Input> */
- /* pixel_width :: The character width expressed in integer pixels. */
- /* */
- /* pixel_height :: The character height expressed in integer pixels. */
- /* */
- /* <InOut> */
- /* size :: A handle to the target size object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- static
- FT_Error Set_Pixel_Sizes( T1_Size size,
- FT_Int pixel_width,
- FT_Int pixel_height )
- {
- FT_UNUSED( pixel_width );
- FT_UNUSED( pixel_height );
-
- size->valid = FALSE;
-
- return T1_Reset_Size( size );
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* Get_Char_Index */
- /* */
- /* <Description> */
- /* Uses a charmap to return a given character code's glyph index. */
- /* */
- /* <Input> */
- /* charmap :: A handle to the source charmap object. */
- /* charcode :: The character code. */
- /* */
- /* <Return> */
- /* Glyph index. 0 means `undefined character code'. */
- /* */
- static
- FT_UInt Get_Char_Index( FT_CharMap charmap,
- FT_Long charcode )
- {
- T1_Face face;
- FT_UInt result = 0;
- PSNames_Interface* psnames;
-
-
- face = (T1_Face)charmap->face;
- psnames = (PSNames_Interface*)face->psnames;
- if ( psnames )
- switch ( charmap->encoding )
- {
- /*******************************************************************/
- /* */
- /* Unicode encoding support */
- /* */
- case ft_encoding_unicode:
- /* use the `PSNames' module to synthetize the Unicode charmap */
- result = psnames->lookup_unicode( &face->unicode_map,
- (FT_ULong)charcode );
-
- /* the function returns 0xFFFF if the Unicode charcode has */
- /* no corresponding glyph */
- if ( result == 0xFFFF )
- result = 0;
- goto Exit;
-
- /*******************************************************************/
- /* */
- /* Custom Type 1 encoding */
- /* */
- case ft_encoding_adobe_custom:
- {
- T1_Encoding* encoding = &face->type1.encoding;
-
-
- if ( charcode >= encoding->code_first &&
- charcode <= encoding->code_last )
- result = encoding->char_index[charcode];
- goto Exit;
- }
-
- /*******************************************************************/
- /* */
- /* Adobe Standard & Expert encoding support */
- /* */
- default:
- if ( charcode < 256 )
- {
- FT_UInt code;
- FT_Int n;
- const char* glyph_name;
-
-
- code = psnames->adobe_std_encoding[charcode];
- if ( charmap->encoding == ft_encoding_adobe_expert )
- code = psnames->adobe_expert_encoding[charcode];
-
- glyph_name = psnames->adobe_std_strings( code );
- if ( !glyph_name )
- break;
-
- for ( n = 0; n < face->type1.num_glyphs; n++ )
- {
- const char* gname = face->type1.glyph_names[n];
-
-
- if ( gname && gname[0] == glyph_name[0] &&
- strcmp( gname, glyph_name ) == 0 )
- {
- result = n;
- break;
- }
- }
- }
- }
- Exit:
- return result;
- }
-
-
-
- const FT_Driver_Class t1_driver_class =
- {
- {
- ft_module_font_driver | ft_module_driver_scalable,
- sizeof( FT_DriverRec ),
-
- "type1", /* driver name */
- 0x10000L, /* driver version 1.0 */
- 0x20000L, /* driver requires FreeType 2.0 or above */
-
- 0, /* module specific interface */
-
- (FT_Module_Constructor)0,
- (FT_Module_Destructor) 0,
- (FT_Module_Requester) T1_Get_Interface
- },
-
- sizeof( T1_FaceRec ),
- sizeof( T1_SizeRec ),
- sizeof( T1_GlyphSlotRec ),
-
- (FTDriver_initFace) T1_Init_Face,
- (FTDriver_doneFace) T1_Done_Face,
- (FTDriver_initSize) T1_Init_Size,
- (FTDriver_doneSize) T1_Done_Size,
- (FTDriver_initGlyphSlot)T1_Init_GlyphSlot,
- (FTDriver_doneGlyphSlot)T1_Done_GlyphSlot,
-
- (FTDriver_setCharSizes) Set_Char_Sizes,
- (FTDriver_setPixelSizes)Set_Pixel_Sizes,
- (FTDriver_loadGlyph) T1_Load_Glyph,
- (FTDriver_getCharIndex) Get_Char_Index,
-
-#ifdef T1_CONFIG_OPTION_NO_AFM
- (FTDriver_getKerning) 0,
- (FTDriver_attachFile) 0,
-#else
- (FTDriver_getKerning) Get_Kerning,
- (FTDriver_attachFile) T1_Read_AFM,
-#endif
- (FTDriver_getAdvances) 0
- };
-
-
-#ifdef FT_CONFIG_OPTION_DYNAMIC_DRIVERS
-
- EXPORT_FUNC( const FT_Driver_Class* ) getDriverClass( void )
- {
- return &t1_driver_class;
- }
-
-#endif /* FT_CONFIG_OPTION_DYNAMIC_DRIVERS */
-
-
-/* END */
git://git.jankratochvil.net / reactos.git / blobdiff