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Diffstat (limited to 'experimental/tqtinterface/qt4/src/3rdparty/opentype/otlbuffer.h')
| -rw-r--r-- | experimental/tqtinterface/qt4/src/3rdparty/opentype/otlbuffer.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/experimental/tqtinterface/qt4/src/3rdparty/opentype/otlbuffer.h b/experimental/tqtinterface/qt4/src/3rdparty/opentype/otlbuffer.h new file mode 100644 index 000000000..bb32da8a4 --- /dev/null +++ b/experimental/tqtinterface/qt4/src/3rdparty/opentype/otlbuffer.h @@ -0,0 +1,129 @@ +/* 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. + */ +#ifndef OTL_BUFFER_H +#define OTL_BUFFER_H + +#include <ft2build.h> +#include FT_FREETYPE_H + +FT_BEGIN_HEADER + +#define OTL_GLYPH_PROPERTIES_UNKNOWN 0xFFFF + +#define IN_GLYPH( pos ) buffer->in_string[(pos)].gindex +#define IN_ITEM( pos ) (&buffer->in_string[(pos)]) +#define IN_CURGLYPH() buffer->in_string[buffer->in_pos].gindex +#define IN_CURITEM() (&buffer->in_string[buffer->in_pos]) +#define IN_PROPERTIES( pos ) buffer->in_string[(pos)].properties +#define IN_LIGID( pos ) buffer->in_string[(pos)].ligID +#define IN_COMPONENT( pos ) (buffer->in_string[(pos)].component) + +#define OUT_GLYPH( pos ) buffer->out_string[(pos)].gindex +#define OUT_ITEM( pos ) (&buffer->out_string[(pos)]) + +#define POSITION( pos ) (&buffer->positions[(pos)]) + +#define ADD_String( buffer, num_in, num_out, glyph_data, component, ligID ) \ + ( ( error = otl_buffer_add_output_glyphs( (buffer), \ + (num_in), (num_out), \ + (glyph_data), (component), (ligID) \ + ) ) != TT_Err_Ok ) +#define ADD_Glyph( buffer, glyph_index, component, ligID ) \ + ( ( error = otl_buffer_add_output_glyph( (buffer), \ + (glyph_index), (component), (ligID) \ + ) ) != TT_Err_Ok ) + + 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 tqreplace 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 ); + +FT_END_HEADER + +#endif |