+++ /dev/null
-/***************************************************************************/
-/* */
-/* ftdriver.h */
-/* */
-/* FreeType font driver interface (specification). */
-/* */
-/* Copyright 1996-2001 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. */
-/* */
-/***************************************************************************/
-
-
-#ifndef __FTDRIVER_H__
-#define __FTDRIVER_H__
-
-
-#include <ft2build.h>
-#include FT_MODULE_H
-
-
-FT_BEGIN_HEADER
-
-
- typedef FT_Error
- (*FTDriver_initFace)( FT_Stream stream,
- FT_Face face,
- FT_Int typeface_index,
- FT_Int num_params,
- FT_Parameter* parameters );
-
- typedef void
- (*FTDriver_doneFace)( FT_Face face );
-
-
- typedef FT_Error
- (*FTDriver_initSize)( FT_Size size );
-
- typedef void
- (*FTDriver_doneSize)( FT_Size size );
-
-
- typedef FT_Error
- (*FTDriver_initGlyphSlot)( FT_GlyphSlot slot );
-
- typedef void
- (*FTDriver_doneGlyphSlot)( FT_GlyphSlot slot );
-
-
- typedef FT_Error
- (*FTDriver_setCharSizes)( FT_Size size,
- FT_F26Dot6 char_width,
- FT_F26Dot6 char_height,
- FT_UInt horz_resolution,
- FT_UInt vert_resolution );
-
- typedef FT_Error
- (*FTDriver_setPixelSizes)( FT_Size size,
- FT_UInt pixel_width,
- FT_UInt pixel_height );
-
- typedef FT_Error
- (*FTDriver_loadGlyph)( FT_GlyphSlot slot,
- FT_Size size,
- FT_UInt glyph_index,
- FT_Int load_flags );
-
-
- typedef FT_UInt
- (*FTDriver_getCharIndex)( FT_CharMap charmap,
- FT_Long charcode );
-
- typedef FT_Error
- (*FTDriver_getKerning)( FT_Face face,
- FT_UInt left_glyph,
- FT_UInt right_glyph,
- FT_Vector* kerning );
-
-
- typedef FT_Error
- (*FTDriver_attachFile)( FT_Face face,
- FT_Stream stream );
-
-
- typedef FT_Error
- (*FTDriver_getAdvances)( FT_Face face,
- FT_UInt first,
- FT_UInt count,
- FT_Bool vertical,
- FT_UShort* advances );
-
-
- /*************************************************************************/
- /* */
- /* <Struct> */
- /* FT_Driver_Class */
- /* */
- /* <Description> */
- /* The font driver class. This structure mostly contains pointers to */
- /* driver methods. */
- /* */
- /* <Fields> */
- /* root :: The parent module. */
- /* */
- /* face_object_size :: The size of a face object in bytes. */
- /* */
- /* size_object_size :: The size of a size object in bytes. */
- /* */
- /* slot_object_size :: The size of a glyph object in bytes. */
- /* */
- /* init_face :: The format-specific face constructor. */
- /* */
- /* done_face :: The format-specific face destructor. */
- /* */
- /* init_size :: The format-specific size constructor. */
- /* */
- /* done_size :: The format-specific size destructor. */
- /* */
- /* init_slot :: The format-specific slot constructor. */
- /* */
- /* done_slot :: The format-specific slot destructor. */
- /* */
- /* set_char_sizes :: A handle to a function used to set the new */
- /* character size in points + resolution. Can be */
- /* set to 0 to indicate default behaviour. */
- /* */
- /* set_pixel_sizes :: A handle to a function used to set the new */
- /* character size in pixels. Can be set to 0 to */
- /* indicate default behaviour. */
- /* */
- /* load_glyph :: A function handle to load a given glyph image */
- /* in a slot. This field is mandatory! */
- /* */
- /* get_char_index :: A function handle to return the glyph index of */
- /* a given character for a given charmap. This */
- /* field is mandatory! */
- /* */
- /* get_kerning :: A function handle to return the unscaled */
- /* kerning for a given pair of glyphs. Can be */
- /* set to 0 if the format doesn't support */
- /* kerning. */
- /* */
- /* attach_file :: This function handle is used to read */
- /* additional data for a face from another */
- /* file/stream. For example, this can be used to */
- /* add data from AFM or PFM files on a Type 1 */
- /* face, or a CIDMap on a CID-keyed face. */
- /* */
- /* get_advances :: A function handle used to return the advances */
- /* of 'count' glyphs, starting at `index'. the */
- /* `vertical' flags must be set when vertical */
- /* advances are queried. The advances buffer is */
- /* caller-allocated. */
- /* */
- /* <Note> */
- /* Most function pointers, with the exception of `load_glyph' and */
- /* `get_char_index' can be set to 0 to indicate a default behaviour. */
- /* */
- typedef struct FT_Driver_Class_
- {
- FT_Module_Class root;
-
- FT_Int face_object_size;
- FT_Int size_object_size;
- FT_Int slot_object_size;
-
- FTDriver_initFace init_face;
- FTDriver_doneFace done_face;
-
- FTDriver_initSize init_size;
- FTDriver_doneSize done_size;
-
- FTDriver_initGlyphSlot init_slot;
- FTDriver_doneGlyphSlot done_slot;
-
- FTDriver_setCharSizes set_char_sizes;
- FTDriver_setPixelSizes set_pixel_sizes;
-
- FTDriver_loadGlyph load_glyph;
- FTDriver_getCharIndex get_char_index;
-
- FTDriver_getKerning get_kerning;
- FTDriver_attachFile attach_file;
-
- FTDriver_getAdvances get_advances;
-
- } FT_Driver_Class;
-
-
-FT_END_HEADER
-
-#endif /* __FTDRIVER_H__ */
-
-
-/* END */
projects / rrdtool.git / blobdiff