parent
206297435e
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53078ee750
4 changed files with 346 additions and 97 deletions
@ -1,49 +0,0 @@ |
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/***************************************************************************/ |
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/* */ |
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/* ftgrays.h */ |
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/* */ |
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/* FreeType smooth renderer declaration */ |
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/* */ |
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/* Copyright 1996-2000 by */ |
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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/* */ |
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/* This file is part of the FreeType project, and may only be used */ |
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/* modified and distributed under the terms of the FreeType project */ |
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
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/* this file you indicate that you have read the license and */ |
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/* understand and accept it fully. */ |
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/* */ |
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/***************************************************************************/ |
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|
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#ifndef FTGRAYS_H |
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#define FTGRAYS_H |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#ifdef _STANDALONE_ |
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#include "ftimage.h" |
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#else |
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#include <freetype/ftimage.h> |
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#endif |
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/*************************************************************************/ |
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/* */ |
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/* To make ftgrays.h independent from configuration files we check */ |
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/* whether FT_EXPORT_DEF has been defined already. */ |
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/* */ |
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/* On some systems and compilers (Win32 mostly), an extra keyword is */ |
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/* necessary to compile the library as a DLL. */ |
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/* */ |
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#ifndef FT_EXPORT_VAR |
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#define FT_EXPORT_VAR(x) extern x |
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#endif |
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FT_EXPORT_VAR(FT_Raster_Funcs) ft_grays_raster; |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif |
@ -0,0 +1,194 @@ |
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/***************************************************************************/ |
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/* */ |
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/* ftmodule.h */ |
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/* */ |
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/* FreeType modules public interface. */ |
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/* */ |
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/* Copyright 1996-2000 by */ |
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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/* */ |
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/* This file is part of the FreeType project, and may only be used */ |
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/* modified and distributed under the terms of the FreeType project */ |
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
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/* this file you indicate that you have read the license and */ |
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/* understand and accept it fully. */ |
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/* */ |
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/***************************************************************************/ |
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|
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#ifndef FTMODULE_H |
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#define FTMODULE_H |
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#include <freetype/freetype.h> |
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/* module bit flags */ |
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typedef enum FT_Module_Flags_ |
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{ |
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ft_module_font_driver = 1, /* this module is a font driver */ |
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ft_module_renderer = 2, /* this module is a renderer */ |
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ft_module_driver_scalable = 4, /* this driver supports scalable fonts */ |
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ft_module_driver_no_outlines = 8 /* this driver does not support vector outlines */ |
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} FT_Module_Flags; |
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typedef void (*FT_Module_Interface)( void ); |
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typedef FT_Error (*FT_Module_Constructor)( FT_Module module ); |
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typedef void (*FT_Module_Destructor)( FT_Module module ); |
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typedef FT_Module_Interface (*FT_Module_Requester)( FT_Module module, |
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const char* name ); |
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/*************************************************************************
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* |
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* <Struct> |
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* FT_Module_Class |
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* |
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* <Description> |
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* The module class descriptor. |
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* |
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* <Fields> |
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* module_flags :: bit flags describing the module |
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* module_size :: size of one module object/instance in bytes |
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* module_name :: name of the module |
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* module_version :: version, as a 16.16 fixed number (major.minor) |
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* module_requires :: the version of FreeType this module requires |
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* (starts at 2.0, a.k.a. 0x20000) |
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* |
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* module_init :: a function used to initialise (not create) a |
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* new module object |
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* |
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* module_done :: a function used to finalise (not destroy) a |
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* given module object |
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* |
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* get_interface :: queries a given module for a specific interface |
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* by name.. |
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* |
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*************************************************************************/ |
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typedef struct FT_Module_Class_ |
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{ |
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FT_ULong module_flags; |
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FT_Int module_size; |
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const FT_String* module_name; |
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FT_Fixed module_version; |
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FT_Fixed module_requires; |
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const void* module_interface; |
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FT_Module_Constructor module_init; |
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FT_Module_Destructor module_done; |
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FT_Module_Requester get_interface; |
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} FT_Module_Class; |
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/*************************************************************************
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* |
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* <Function> |
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* FT_Add_Module |
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* |
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* <Description> |
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* Add a new module to a given library instance. |
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* |
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* <Input> |
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* library :: handle to library object |
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* clazz :: pointer to class descriptor for the module |
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* |
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* <Return> |
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* Error code. 0 means success |
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* |
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* <Note> |
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* An error will be returned if a module already exists by that |
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* name, or if the module requires a version of freetype that is |
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* too great |
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* |
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*************************************************************************/ |
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FT_EXPORT_DEF(FT_Error) FT_Add_Module( FT_Library library, |
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const FT_Module_Class* clazz ); |
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/*************************************************************************
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* |
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* <Function> |
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* FT_Get_Module |
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* |
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* <Description> |
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* Find a module by its name. |
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* |
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* <Input> |
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* library :: handle to library object |
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* module_name :: the module's ASCII name. |
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* |
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* <Return> |
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* Module handle, 0 if none was found. |
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* |
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* <Note> |
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* You'd better be familiar with FreeType internals to know which |
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* module to look for :-) |
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* |
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*************************************************************************/ |
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FT_EXPORT_DEF(FT_Module) FT_Get_Module( FT_Library library, |
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const char* module_name ); |
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/*************************************************************************
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* |
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* <Function> |
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* FT_Get_Module_Interface |
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* |
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* <Description> |
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* Find a module and returns it's specific interface as a void* |
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* |
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* <Input> |
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* library :: handle to library object |
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* module_name :: the module's ASCII name. |
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* |
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* <Return> |
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* Module specific interface, if any |
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* |
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* <Note> |
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* You'd better be familiar with FreeType internals to know which |
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* module to look for, and what it's interface is :-) |
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* |
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*************************************************************************/ |
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FT_EXPORT_DEF(const void*) FT_Get_Module_Interface( FT_Library library, |
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const char* mod_name ); |
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/*************************************************************************
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* |
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* <Function> |
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* FT_Remove_Module |
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* |
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* <Description> |
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* Removes a given module from a library instance. |
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* |
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* <Input> |
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* library :: handle to library object |
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* module :: handle to module object |
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* |
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* <Return> |
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* Error code (module not listed) |
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* |
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* <Note> |
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* The module object is destroyed by the function in case of success |
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* |
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*************************************************************************/ |
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FT_EXPORT_DEF(FT_Error) FT_Remove_Module( FT_Library library, |
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FT_Module module ); |
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#endif /* FTMODULE_H */ |
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/* END */ |
@ -1,48 +0,0 @@ |
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/***************************************************************************/ |
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/* */ |
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/* ftraster.h */ |
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/* */ |
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/* The FreeType glyph rasterizer (specification). */ |
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/* */ |
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/* Copyright 1996-2000 by */ |
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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/* */ |
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/* This file is part of the FreeType project, and may only be used */ |
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/* modified and distributed under the terms of the FreeType project */ |
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
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/* this file you indicate that you have read the license and */ |
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/* understand and accept it fully. */ |
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/* */ |
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/***************************************************************************/ |
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#ifndef FTRASTER_H |
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#define FTRASTER_H |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#include <freetype/ftimage.h> |
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/*************************************************************************/ |
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/* */ |
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/* Uncomment the following line if you are using ftraster.c as a */ |
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/* standalone module, fully independent of FreeType. */ |
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/* */ |
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/* #define _STANDALONE_ */ |
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#ifndef FT_EXPORT_VAR |
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#define FT_EXPORT_VAR(x) extern x |
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#endif |
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FT_EXPORT_VAR(FT_Raster_Funcs) ft_standard_raster; |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* FTRASTER_H */ |
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/* END */ |
@ -0,0 +1,152 @@ |
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/***************************************************************************/ |
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/* */ |
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/* ftrender.h */ |
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/* */ |
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/* FreeType renderer modules public interface */ |
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/* */ |
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/* Copyright 1996-2000 by */ |
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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/* */ |
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/* This file is part of the FreeType project, and may only be used */ |
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/* modified and distributed under the terms of the FreeType project */ |
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
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/* this file you indicate that you have read the license and */ |
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/* understand and accept it fully. */ |
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/* */ |
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/***************************************************************************/ |
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|
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#ifndef FTRENDER_H |
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#define FTRENDER_H |
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#include <freetype/ftmodule.h> |
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/*************************************************************************
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* |
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* <Struct> |
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* FT_Renderer_Class |
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* |
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* <Description> |
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* The renderer module class descriptor. |
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* |
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* <Fields> |
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* root :: the root FT_Module_Class fields |
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* |
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* glyph_format :: the glyph image format this renderer handles |
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* |
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* render_glyph :: a method used to render the image that is in a |
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* given glyph slot into a bitmap. |
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* |
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* set_mode :: a method used to pass additional parameters |
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* |
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* raster_class :: for ft_glyph_format_outline renderers only, this |
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* is a pointer to its raster's class. |
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* |
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* raster :: for ft_glyph_format_outline renderers only. this |
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* is a pointer to the corresponding raster object, |
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* if any.. |
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* |
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*************************************************************************/ |
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typedef FT_Error (*FTRenderer_render)( FT_Renderer renderer, |
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FT_GlyphSlot slot, |
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FT_UInt mode ); |
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typedef FT_Error (*FTRenderer_transform)( FT_Renderer renderer, |
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FT_GlyphSlot slot, |
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FT_Matrix* matrix, |
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FT_Vector* delta ); |
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typedef void (*FTRenderer_getCBox)( FT_Renderer renderer, |
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FT_GlyphSlot slot, |
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FT_BBox *cbox ); |
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typedef FT_Error (*FTRenderer_setMode)( FT_Renderer renderer, |
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FT_ULong mode_tag, |
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FT_Pointer mode_ptr ); |
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typedef struct FT_Renderer_Class_ |
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{ |
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FT_Module_Class root; |
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FT_Glyph_Format glyph_format; |
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FTRenderer_render render_glyph; |
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FTRenderer_transform transform_glyph; |
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FTRenderer_getCBox get_glyph_cbox; |
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FTRenderer_setMode set_mode; |
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FT_Raster_Funcs* raster_class; |
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} FT_Renderer_Class; |
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enum |
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{ |
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ft_render_mode_antialias = 1 |
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}; |
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/*************************************************************************
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* |
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* <Function> |
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* FT_Get_Renderer |
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* |
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* <Description> |
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* retrieves the current renderer for a given glyph format. |
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* |
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* <Input> |
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* library :: handle to library object |
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* format :: glyph format |
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* |
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* <Return> |
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* renderer handle. 0 if none found. |
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* |
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* <Note> |
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* An error will be returned if a module already exists by that |
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* name, or if the module requires a version of freetype that is |
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* too great |
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* |
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* To add a new renderer, simply use FT_Add_Module. To retrieve |
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* a renderer by its name, use FT_Get_Module |
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* |
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*************************************************************************/ |
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FT_EXPORT_DEF(FT_Renderer) FT_Get_Renderer( FT_Library library, |
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FT_Glyph_Format format ); |
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/*************************************************************************
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* |
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* <Function> |
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* FT_Set_Renderer |
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* |
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* <Description> |
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* Sets the current renderer to use, and set additional mode |
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* |
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* <Input> |
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* library :: handle to library object |
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* renderer :: handle to renderer object |
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* num_params :: number of additional parameters |
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* params :: additional parameters |
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* |
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* <Return> |
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* Error code. 0 means success. |
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* |
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* <Note> |
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* in case of success, the renderer will be used to convert glyph |
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* images in the renderer's known format into bitmaps. |
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* |
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* This doesn't change the current renderer for other formats.. |
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* |
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*************************************************************************/ |
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FT_EXPORT_DEF(FT_Error) FT_Set_Renderer( FT_Library library, |
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FT_Renderer renderer, |
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FT_UInt num_params, |
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FT_Parameter* parameters ); |
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#endif /* FTMODULE_H */ |
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/* END */ |
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