| /***************************************************************************/ |
| /* */ |
| /* ttgload.h */ |
| /* */ |
| /* TrueType Glyph Loader (specification). */ |
| /* */ |
| /* Copyright 1996-1999 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 TTGLOAD_H |
| #define TTGLOAD_H |
| |
| #include <ttobjs.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Function> */ |
| /* TT_Get_Metrics */ |
| /* */ |
| /* <Description> */ |
| /* Returns the horizontal or vertical metrics in font units for a */ |
| /* given glyph. The metrics are the left side bearing (resp. top */ |
| /* side bearing) and advance width (resp. advance height). */ |
| /* */ |
| /* <Input> */ |
| /* header :: A pointer to either the horizontal or vertical metrics */ |
| /* structure. */ |
| /* */ |
| /* index :: The glyph index. */ |
| /* */ |
| /* <Output> */ |
| /* bearing :: The bearing, either left side or top side. */ |
| /* */ |
| /* advance :: The advance width resp. advance height. */ |
| /* */ |
| /* <Note> */ |
| /* This function will much probably move to another component in the */ |
| /* near future, but I haven't decided which yet. */ |
| /* */ |
| LOCAL_DEF |
| void TT_Get_Metrics( TT_HoriHeader* header, |
| TT_UShort index, |
| TT_Short* bearing, |
| TT_UShort* advance ); |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Function> */ |
| /* TT_Load_Glyph */ |
| /* */ |
| /* <Description> */ |
| /* A function used to load a single glyph within a given glyph slot, */ |
| /* for a given size. */ |
| /* */ |
| /* <Input> */ |
| /* glyph :: A handle to a target slot object where the glyph */ |
| /* will be loaded. */ |
| /* */ |
| /* size :: A handle to the source face size at which the glyph */ |
| /* must be scaled/loaded. */ |
| /* */ |
| /* glyph_index :: The index of the glyph in the font file. */ |
| /* */ |
| /* load_flags :: A flag indicating what to load for this glyph. The */ |
| /* FT_LOAD_XXX constants can be used to control the */ |
| /* glyph loading process (e.g., whether the outline */ |
| /* should be scaled, whether to load bitmaps or not, */ |
| /* whether to hint the outline, etc). */ |
| /* <Output> */ |
| /* result :: A set of bit flags indicating the type of data that */ |
| /* was loaded in the glyph slot (outline or bitmap, */ |
| /* etc). */ |
| /* */ |
| /* You can set this field to 0 if you don't want this */ |
| /* information. */ |
| /* */ |
| /* <Return> */ |
| /* FreeType error code. 0 means success. */ |
| /* */ |
| LOCAL_DEF |
| TT_Error TT_Load_Glyph( TT_Size size, |
| TT_GlyphSlot glyph, |
| TT_UShort glyph_index, |
| TT_UInt load_flags ); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| |
| #endif /* TTGLOAD_H */ |
| |
| |
| /* END */ |