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Diffstat (limited to 'src/autofit/afmodule.c')
| -rw-r--r-- | src/autofit/afmodule.c | 600 |
1 files changed, 0 insertions, 600 deletions
diff --git a/src/autofit/afmodule.c b/src/autofit/afmodule.c deleted file mode 100644 index 9d7ba224d..000000000 --- a/src/autofit/afmodule.c +++ /dev/null @@ -1,600 +0,0 @@ -/***************************************************************************/ -/* */ -/* afmodule.c */ -/* */ -/* Auto-fitter module implementation (body). */ -/* */ -/* Copyright 2003-2017 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 "afglobal.h" -#include "afmodule.h" -#include "afloader.h" -#include "aferrors.h" -#include "afpic.h" - -#ifdef FT_DEBUG_AUTOFIT - -#ifndef FT_MAKE_OPTION_SINGLE_OBJECT - -#ifdef __cplusplus - extern "C" { -#endif - extern void - af_glyph_hints_dump_segments( AF_GlyphHints hints, - FT_Bool to_stdout ); - extern void - af_glyph_hints_dump_points( AF_GlyphHints hints, - FT_Bool to_stdout ); - extern void - af_glyph_hints_dump_edges( AF_GlyphHints hints, - FT_Bool to_stdout ); -#ifdef __cplusplus - } -#endif - -#endif - - int _af_debug_disable_horz_hints; - int _af_debug_disable_vert_hints; - int _af_debug_disable_blue_hints; - - /* we use a global object instead of a local one for debugging */ - AF_GlyphHintsRec _af_debug_hints_rec[1]; - - void* _af_debug_hints = _af_debug_hints_rec; -#endif - -#include FT_INTERNAL_OBJECTS_H -#include FT_INTERNAL_DEBUG_H -#include FT_AUTOHINTER_H -#include FT_SERVICE_PROPERTIES_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_afmodule - - - static FT_Error - af_property_get_face_globals( FT_Face face, - AF_FaceGlobals* aglobals, - AF_Module module ) - { - FT_Error error = FT_Err_Ok; - AF_FaceGlobals globals; - - - if ( !face ) - return FT_THROW( Invalid_Face_Handle ); - - globals = (AF_FaceGlobals)face->autohint.data; - if ( !globals ) - { - /* trigger computation of the global style data */ - /* in case it hasn't been done yet */ - error = af_face_globals_new( face, &globals, module ); - if ( !error ) - { - face->autohint.data = - (FT_Pointer)globals; - face->autohint.finalizer = - (FT_Generic_Finalizer)af_face_globals_free; - } - } - - if ( !error ) - *aglobals = globals; - - return error; - } - - -#ifdef FT_CONFIG_OPTION_PIC - -#undef AF_SCRIPT_CLASSES_GET -#define AF_SCRIPT_CLASSES_GET \ - ( GET_PIC( ft_module->library )->af_script_classes ) - -#undef AF_STYLE_CLASSES_GET -#define AF_STYLE_CLASSES_GET \ - ( GET_PIC( ft_module->library )->af_style_classes ) - -#endif - - - static FT_Error - af_property_set( FT_Module ft_module, - const char* property_name, - const void* value, - FT_Bool value_is_string ) - { - FT_Error error = FT_Err_Ok; - AF_Module module = (AF_Module)ft_module; - -#ifndef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES - FT_UNUSED( value_is_string ); -#endif - - - if ( !ft_strcmp( property_name, "fallback-script" ) ) - { - FT_UInt* fallback_script; - FT_UInt ss; - - -#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES - if ( value_is_string ) - return FT_THROW( Invalid_Argument ); -#endif - - fallback_script = (FT_UInt*)value; - - /* We translate the fallback script to a fallback style that uses */ - /* `fallback-script' as its script and `AF_COVERAGE_NONE' as its */ - /* coverage value. */ - for ( ss = 0; AF_STYLE_CLASSES_GET[ss]; ss++ ) - { - AF_StyleClass style_class = AF_STYLE_CLASSES_GET[ss]; - - - if ( (FT_UInt)style_class->script == *fallback_script && - style_class->coverage == AF_COVERAGE_DEFAULT ) - { - module->fallback_style = ss; - break; - } - } - - if ( !AF_STYLE_CLASSES_GET[ss] ) - { - FT_TRACE0(( "af_property_set: Invalid value %d for property `%s'\n", - fallback_script, property_name )); - return FT_THROW( Invalid_Argument ); - } - - return error; - } - else if ( !ft_strcmp( property_name, "default-script" ) ) - { - FT_UInt* default_script; - - -#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES - if ( value_is_string ) - return FT_THROW( Invalid_Argument ); -#endif - - default_script = (FT_UInt*)value; - - module->default_script = *default_script; - - return error; - } - else if ( !ft_strcmp( property_name, "increase-x-height" ) ) - { - FT_Prop_IncreaseXHeight* prop; - AF_FaceGlobals globals; - - -#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES - if ( value_is_string ) - return FT_THROW( Invalid_Argument ); -#endif - - prop = (FT_Prop_IncreaseXHeight*)value; - - error = af_property_get_face_globals( prop->face, &globals, module ); - if ( !error ) - globals->increase_x_height = prop->limit; - - return error; - } -#ifdef AF_CONFIG_OPTION_USE_WARPER - else if ( !ft_strcmp( property_name, "warping" ) ) - { -#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES - if ( value_is_string ) - { - const char* s = (const char*)value; - long w = ft_strtol( s, NULL, 10 ); - - - if ( w == 0 ) - module->warping = 0; - else if ( w == 1 ) - module->warping = 1; - else - return FT_THROW( Invalid_Argument ); - } - else -#endif - { - FT_Bool* warping = (FT_Bool*)value; - - - module->warping = *warping; - } - - return error; - } -#endif /* AF_CONFIG_OPTION_USE_WARPER */ - else if ( !ft_strcmp( property_name, "darkening-parameters" ) ) - { - FT_Int* darken_params; - FT_Int x1, y1, x2, y2, x3, y3, x4, y4; - -#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES - FT_Int dp[8]; - - - if ( value_is_string ) - { - const char* s = (const char*)value; - char* ep; - int i; - - - /* eight comma-separated numbers */ - for ( i = 0; i < 7; i++ ) - { - dp[i] = (FT_Int)ft_strtol( s, &ep, 10 ); - if ( *ep != ',' || s == ep ) - return FT_THROW( Invalid_Argument ); - - s = ep + 1; - } - - dp[7] = (FT_Int)ft_strtol( s, &ep, 10 ); - if ( !( *ep == '\0' || *ep == ' ' ) || s == ep ) - return FT_THROW( Invalid_Argument ); - - darken_params = dp; - } - else -#endif - darken_params = (FT_Int*)value; - - x1 = darken_params[0]; - y1 = darken_params[1]; - x2 = darken_params[2]; - y2 = darken_params[3]; - x3 = darken_params[4]; - y3 = darken_params[5]; - x4 = darken_params[6]; - 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 ); - - module->darken_params[0] = x1; - module->darken_params[1] = y1; - module->darken_params[2] = x2; - module->darken_params[3] = y2; - module->darken_params[4] = x3; - module->darken_params[5] = y3; - module->darken_params[6] = x4; - module->darken_params[7] = y4; - - return error; - } - else if ( !ft_strcmp( property_name, "no-stem-darkening" ) ) - { -#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES - if ( value_is_string ) - { - const char* s = (const char*)value; - long nsd = ft_strtol( s, NULL, 10 ); - - - if ( !nsd ) - module->no_stem_darkening = FALSE; - else - module->no_stem_darkening = TRUE; - } - else -#endif - { - FT_Bool* no_stem_darkening = (FT_Bool*)value; - - - module->no_stem_darkening = *no_stem_darkening; - } - - return error; - } - - FT_TRACE0(( "af_property_set: missing property `%s'\n", - property_name )); - return FT_THROW( Missing_Property ); - } - - - static FT_Error - af_property_get( FT_Module ft_module, - const char* property_name, - void* value ) - { - FT_Error error = FT_Err_Ok; - AF_Module module = (AF_Module)ft_module; - FT_UInt fallback_style = module->fallback_style; - FT_UInt default_script = module->default_script; -#ifdef AF_CONFIG_OPTION_USE_WARPER - FT_Bool warping = module->warping; -#endif - - - if ( !ft_strcmp( property_name, "glyph-to-script-map" ) ) - { - FT_Prop_GlyphToScriptMap* prop = (FT_Prop_GlyphToScriptMap*)value; - AF_FaceGlobals globals; - - - error = af_property_get_face_globals( prop->face, &globals, module ); - if ( !error ) - prop->map = globals->glyph_styles; - - return error; - } - else if ( !ft_strcmp( property_name, "fallback-script" ) ) - { - FT_UInt* val = (FT_UInt*)value; - - AF_StyleClass style_class = AF_STYLE_CLASSES_GET[fallback_style]; - - - *val = style_class->script; - - return error; - } - else if ( !ft_strcmp( property_name, "default-script" ) ) - { - FT_UInt* val = (FT_UInt*)value; - - - *val = default_script; - - return error; - } - else if ( !ft_strcmp( property_name, "increase-x-height" ) ) - { - FT_Prop_IncreaseXHeight* prop = (FT_Prop_IncreaseXHeight*)value; - AF_FaceGlobals globals; - - - error = af_property_get_face_globals( prop->face, &globals, module ); - if ( !error ) - prop->limit = globals->increase_x_height; - - return error; - } -#ifdef AF_CONFIG_OPTION_USE_WARPER - else if ( !ft_strcmp( property_name, "warping" ) ) - { - FT_Bool* val = (FT_Bool*)value; - - - *val = warping; - - return error; - } -#endif /* AF_CONFIG_OPTION_USE_WARPER */ - else if ( !ft_strcmp( property_name, "darkening-parameters" ) ) - { - FT_Int* darken_params = module->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, "no-stem-darkening" ) ) - { - FT_Bool no_stem_darkening = module->no_stem_darkening; - FT_Bool* val = (FT_Bool*)value; - - - *val = no_stem_darkening; - - return error; - } - - FT_TRACE0(( "af_property_get: missing property `%s'\n", - property_name )); - return FT_THROW( Missing_Property ); - } - - - FT_DEFINE_SERVICE_PROPERTIESREC( - af_service_properties, - - (FT_Properties_SetFunc)af_property_set, /* set_property */ - (FT_Properties_GetFunc)af_property_get ) /* get_property */ - - - FT_DEFINE_SERVICEDESCREC1( - af_services, - - FT_SERVICE_ID_PROPERTIES, &AF_SERVICE_PROPERTIES_GET ) - - - FT_CALLBACK_DEF( FT_Module_Interface ) - af_get_interface( FT_Module module, - const char* module_interface ) - { - /* AF_SERVICES_GET dereferences `library' in PIC mode */ -#ifdef FT_CONFIG_OPTION_PIC - FT_Library library; - - - if ( !module ) - return NULL; - library = module->library; - if ( !library ) - return NULL; -#else - FT_UNUSED( module ); -#endif - - return ft_service_list_lookup( AF_SERVICES_GET, module_interface ); - } - - - FT_CALLBACK_DEF( FT_Error ) - af_autofitter_init( FT_Module ft_module ) /* AF_Module */ - { - AF_Module module = (AF_Module)ft_module; - - - module->fallback_style = AF_STYLE_FALLBACK; - module->default_script = AF_SCRIPT_DEFAULT; -#ifdef AF_CONFIG_OPTION_USE_WARPER - module->warping = 0; -#endif - module->no_stem_darkening = TRUE; - - module->darken_params[0] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1; - module->darken_params[1] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1; - module->darken_params[2] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2; - module->darken_params[3] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2; - module->darken_params[4] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3; - module->darken_params[5] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3; - module->darken_params[6] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4; - module->darken_params[7] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4; - - return FT_Err_Ok; - } - - - FT_CALLBACK_DEF( void ) - af_autofitter_done( FT_Module ft_module ) /* AF_Module */ - { - FT_UNUSED( ft_module ); - -#ifdef FT_DEBUG_AUTOFIT - if ( _af_debug_hints_rec->memory ) - af_glyph_hints_done( _af_debug_hints_rec ); -#endif - } - - - FT_CALLBACK_DEF( FT_Error ) - af_autofitter_load_glyph( AF_Module module, - FT_GlyphSlot slot, - FT_Size size, - FT_UInt glyph_index, - FT_Int32 load_flags ) - { - FT_Error error = FT_Err_Ok; - FT_Memory memory = module->root.library->memory; - -#ifdef FT_DEBUG_AUTOFIT - - /* in debug mode, we use a global object that survives this routine */ - - AF_GlyphHints hints = _af_debug_hints_rec; - AF_LoaderRec loader[1]; - - FT_UNUSED( size ); - - - if ( hints->memory ) - af_glyph_hints_done( hints ); - - af_glyph_hints_init( hints, memory ); - af_loader_init( loader, hints ); - - error = af_loader_load_glyph( loader, module, slot->face, - glyph_index, load_flags ); - -#ifdef FT_DEBUG_LEVEL_TRACE - if ( ft_trace_levels[FT_COMPONENT] ) - { -#endif - af_glyph_hints_dump_points( hints, 0 ); - af_glyph_hints_dump_segments( hints, 0 ); - af_glyph_hints_dump_edges( hints, 0 ); -#ifdef FT_DEBUG_LEVEL_TRACE - } -#endif - - af_loader_done( loader ); - - return error; - -#else /* !FT_DEBUG_AUTOFIT */ - - AF_GlyphHintsRec hints[1]; - AF_LoaderRec loader[1]; - - FT_UNUSED( size ); - - - af_glyph_hints_init( hints, memory ); - af_loader_init( loader, hints ); - - error = af_loader_load_glyph( loader, module, slot->face, - glyph_index, load_flags ); - - af_loader_done( loader ); - af_glyph_hints_done( hints ); - - return error; - -#endif /* !FT_DEBUG_AUTOFIT */ - } - - - FT_DEFINE_AUTOHINTER_INTERFACE( - af_autofitter_interface, - - NULL, /* reset_face */ - NULL, /* get_global_hints */ - NULL, /* done_global_hints */ - (FT_AutoHinter_GlyphLoadFunc)af_autofitter_load_glyph ) /* load_glyph */ - - - FT_DEFINE_MODULE( - autofit_module_class, - - FT_MODULE_HINTER, - sizeof ( AF_ModuleRec ), - - "autofitter", - 0x10000L, /* version 1.0 of the autofitter */ - 0x20000L, /* requires FreeType 2.0 or above */ - - (const void*)&AF_INTERFACE_GET, - - (FT_Module_Constructor)af_autofitter_init, /* module_init */ - (FT_Module_Destructor) af_autofitter_done, /* module_done */ - (FT_Module_Requester) af_get_interface /* get_interface */ - ) - - -/* END */ |