--- /dev/null
+/***************************************************************************/
+/* */
+/* ftdriver.h */
+/* */
+/* FreeType font driver interface (specification). */
+/* */
+/* Copyright 1996-2001, 2002 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
+ (*FT_Face_InitFunc)( FT_Stream stream,
+ FT_Face face,
+ FT_Int typeface_index,
+ FT_Int num_params,
+ FT_Parameter* parameters );
+
+ typedef void
+ (*FT_Face_DoneFunc)( FT_Face face );
+
+
+ typedef FT_Error
+ (*FT_Size_InitFunc)( FT_Size size );
+
+ typedef void
+ (*FT_Size_DoneFunc)( FT_Size size );
+
+
+ typedef FT_Error
+ (*FT_Slot_InitFunc)( FT_GlyphSlot slot );
+
+ typedef void
+ (*FT_Slot_DoneFunc)( FT_GlyphSlot slot );
+
+
+ typedef FT_Error
+ (*FT_Size_ResetPointsFunc)( FT_Size size,
+ FT_F26Dot6 char_width,
+ FT_F26Dot6 char_height,
+ FT_UInt horz_resolution,
+ FT_UInt vert_resolution );
+
+ typedef FT_Error
+ (*FT_Size_ResetPixelsFunc)( FT_Size size,
+ FT_UInt pixel_width,
+ FT_UInt pixel_height );
+
+ typedef FT_Error
+ (*FT_Slot_LoadFunc)( FT_GlyphSlot slot,
+ FT_Size size,
+ FT_UInt glyph_index,
+ FT_Int32 load_flags );
+
+
+ typedef FT_UInt
+ (*FT_CharMap_CharIndexFunc)( FT_CharMap charmap,
+ FT_Long charcode );
+
+ typedef FT_Long
+ (*FT_CharMap_CharNextFunc)( FT_CharMap charmap,
+ FT_Long charcode );
+
+ typedef FT_Error
+ (*FT_Face_GetKerningFunc)( FT_Face face,
+ FT_UInt left_glyph,
+ FT_UInt right_glyph,
+ FT_Vector* kerning );
+
+
+ typedef FT_Error
+ (*FT_Face_AttachFunc)( FT_Face face,
+ FT_Stream stream );
+
+
+ typedef FT_Error
+ (*FT_Face_GetAdvancesFunc)( FT_Face face,
+ FT_UInt first,
+ FT_UInt count,
+ FT_Bool vertical,
+ FT_UShort* advances );
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* FT_Driver_ClassRec */
+ /* */
+ /* <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_ClassRec_
+ {
+ FT_Module_Class root;
+
+ FT_Int face_object_size;
+ FT_Int size_object_size;
+ FT_Int slot_object_size;
+
+ FT_Face_InitFunc init_face;
+ FT_Face_DoneFunc done_face;
+
+ FT_Size_InitFunc init_size;
+ FT_Size_DoneFunc done_size;
+
+ FT_Slot_InitFunc init_slot;
+ FT_Slot_DoneFunc done_slot;
+
+ FT_Size_ResetPointsFunc set_char_sizes;
+ FT_Size_ResetPixelsFunc set_pixel_sizes;
+
+ FT_Slot_LoadFunc load_glyph;
+
+ FT_Face_GetKerningFunc get_kerning;
+ FT_Face_AttachFunc attach_file;
+ FT_Face_GetAdvancesFunc get_advances;
+
+ } FT_Driver_ClassRec, *FT_Driver_Class;
+
+
+FT_END_HEADER
+
+#endif /* __FTDRIVER_H__ */
+
+
+/* END */
git://git.jankratochvil.net / reactos.git / blobdiff