| /***************************************************************************/ |
| /* */ |
| /* ttsbit.h */ |
| /* */ |
| /* TrueType and OpenType embedded bitmap support (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 TTSBIT_H |
| #define TTSBIT_H |
| |
| #include <ttload.h> |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Function> */ |
| /* TT_Load_SBit_Strikes */ |
| /* */ |
| /* <Description> */ |
| /* Loads the table of embedded bitmap sizes for this face. */ |
| /* */ |
| /* <Input> */ |
| /* face :: The target face object. */ |
| /* stream :: The input stream. */ |
| /* */ |
| /* <Return> */ |
| /* TrueType error code. 0 means success. */ |
| /* */ |
| LOCAL_DEF |
| TT_Error TT_Load_SBit_Strikes( TT_Face face, |
| FT_Stream stream ); |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Function> */ |
| /* TT_Free_SBit_Strikes */ |
| /* */ |
| /* <Description> */ |
| /* Releases the embedded bitmap tables. */ |
| /* */ |
| /* <Input> */ |
| /* face :: The target face object. */ |
| /* */ |
| LOCAL_DEF |
| void TT_Free_SBit_Strikes( TT_Face face ); |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Function> */ |
| /* TT_Load_SBit_Image */ |
| /* */ |
| /* <Description> */ |
| /* Loads a given glyph sbit image from the font resource. This also */ |
| /* returns its metrics. */ |
| /* */ |
| /* <Input> */ |
| /* face :: The target face object. */ |
| /* */ |
| /* x_ppem :: The horizontal resolution in points per EM. */ |
| /* */ |
| /* y_ppem :: The vertical resolution in points per EM. */ |
| /* */ |
| /* glyph_index :: The current glyph index. */ |
| /* */ |
| /* stream :: The input stream. */ |
| /* */ |
| /* <Output> */ |
| /* map :: The target pixmap. */ |
| /* metrics :: A big sbit metrics structure for the glyph image. */ |
| /* */ |
| /* <Return> */ |
| /* TrueType error code. 0 means success. Returns an error if no */ |
| /* glyph sbit exists for the index. */ |
| /* */ |
| /* <Note> */ |
| /* The `map.buffer' field is always freed before the glyph is loaded. */ |
| /* */ |
| LOCAL_DEF |
| TT_Error TT_Load_SBit_Image( TT_Face face, |
| TT_Int x_ppem, |
| TT_Int y_ppem, |
| TT_UInt glyph_index, |
| FT_Stream stream, |
| FT_Bitmap* map, |
| TT_SBit_Metrics* metrics ); |
| |
| |
| #endif /* TTSBIT_H */ |
| |
| |
| /* END */ |
