| /* otlbuffer.h: Buffer of glyphs for substitution/positioning |
| * |
| * Copyrigh 2004 Red Hat Software |
| * |
| * Portions Copyright 1996-2000 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. |
| */ |
| #include <ft2build.h> |
| #include FT_FREETYPE_H |
| |
| #include <glib.h> |
| |
| G_BEGIN_DECLS |
| |
| #define OTL_GLYPH_PROPERTIES_UNKNOWN 0xFFFF |
| |
| typedef struct OTL_GlyphItemRec_ { |
| FT_UInt gindex; |
| FT_UInt properties; |
| FT_UInt cluster; |
| FT_UShort component; |
| FT_UShort ligID; |
| FT_UShort gproperties; |
| } OTL_GlyphItemRec, *OTL_GlyphItem; |
| |
| typedef struct OTL_PositionRec_ { |
| FT_Pos x_pos; |
| FT_Pos y_pos; |
| FT_Pos x_advance; |
| FT_Pos y_advance; |
| FT_UShort back; /* number of glyphs to go back |
| for drawing current glyph */ |
| FT_Bool new_advance; /* if set, the advance width values are |
| absolute, i.e., they won't be |
| added to the original glyph's value |
| but rather replace them. */ |
| FT_Short cursive_chain; /* character to which this connects, |
| may be positive or negative; used |
| only internally */ |
| } OTL_PositionRec, *OTL_Position; |
| |
| |
| typedef struct OTL_BufferRec_{ |
| FT_Memory memory; |
| FT_ULong allocated; |
| |
| FT_ULong in_length; |
| FT_ULong out_length; |
| FT_ULong in_pos; |
| FT_ULong out_pos; |
| |
| OTL_GlyphItem in_string; |
| OTL_GlyphItem out_string; |
| OTL_Position positions; |
| FT_UShort max_ligID; |
| } OTL_BufferRec, *OTL_Buffer; |
| |
| FT_Error |
| otl_buffer_new( FT_Memory memory, |
| OTL_Buffer *buffer ); |
| |
| FT_Error |
| otl_buffer_swap( OTL_Buffer buffer ); |
| |
| FT_Error |
| otl_buffer_free( OTL_Buffer buffer ); |
| |
| FT_Error |
| otl_buffer_clear( OTL_Buffer buffer ); |
| |
| FT_Error |
| otl_buffer_add_glyph( OTL_Buffer buffer, |
| FT_UInt glyph_index, |
| FT_UInt properties, |
| FT_UInt cluster ); |
| |
| FT_Error |
| otl_buffer_add_output_glyphs( OTL_Buffer buffer, |
| FT_UShort num_in, |
| FT_UShort num_out, |
| FT_UShort *glyph_data, |
| FT_UShort component, |
| FT_UShort ligID ); |
| |
| FT_Error |
| otl_buffer_add_output_glyph ( OTL_Buffer buffer, |
| FT_UInt glyph_index, |
| FT_UShort component, |
| FT_UShort ligID ); |
| |
| FT_Error |
| otl_buffer_copy_output_glyph ( OTL_Buffer buffer ); |
| |
| FT_UShort |
| otl_buffer_allocate_ligid( OTL_Buffer buffer ); |
| |
| G_END_DECLS |