diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-0.9.15/src/hb-buffer-private.hh')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-0.9.15/src/hb-buffer-private.hh | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.15/src/hb-buffer-private.hh b/Build/source/libs/harfbuzz/harfbuzz-0.9.15/src/hb-buffer-private.hh deleted file mode 100644 index 387ebd9a84c..00000000000 --- a/Build/source/libs/harfbuzz/harfbuzz-0.9.15/src/hb-buffer-private.hh +++ /dev/null @@ -1,200 +0,0 @@ -/* - * Copyright © 1998-2004 David Turner and Werner Lemberg - * Copyright © 2004,2007,2009,2010 Red Hat, Inc. - * Copyright © 2011,2012 Google, Inc. - * - * This is part of HarfBuzz, a text shaping library. - * - * Permission is hereby granted, without written agreement and without - * license or royalty fees, to use, copy, modify, and distribute this - * software and its documentation for any purpose, provided that the - * above copyright notice and the following two paragraphs appear in - * all copies of this software. - * - * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR - * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES - * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN - * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * - * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, - * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS - * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO - * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. - * - * Red Hat Author(s): Owen Taylor, Behdad Esfahbod - * Google Author(s): Behdad Esfahbod - */ - -#ifndef HB_BUFFER_PRIVATE_HH -#define HB_BUFFER_PRIVATE_HH - -#include "hb-private.hh" -#include "hb-buffer.h" -#include "hb-object-private.hh" -#include "hb-unicode-private.hh" - - -ASSERT_STATIC (sizeof (hb_glyph_info_t) == 20); -ASSERT_STATIC (sizeof (hb_glyph_info_t) == sizeof (hb_glyph_position_t)); - - -/* - * hb_buffer_t - */ - -struct hb_buffer_t { - hb_object_header_t header; - ASSERT_POD (); - - /* Information about how the text in the buffer should be treated */ - - hb_unicode_funcs_t *unicode; /* Unicode functions */ - hb_segment_properties_t props; /* Script, language, direction */ - hb_buffer_flags_t flags; /* BOT / EOT / etc. */ - - /* Buffer contents */ - - hb_buffer_content_type_t content_type; - - bool in_error; /* Allocation failed */ - bool have_output; /* Whether we have an output buffer going on */ - bool have_positions; /* Whether we have positions */ - - unsigned int idx; /* Cursor into ->info and ->pos arrays */ - unsigned int len; /* Length of ->info and ->pos arrays */ - unsigned int out_len; /* Length of ->out array if have_output */ - - unsigned int allocated; /* Length of allocated arrays */ - hb_glyph_info_t *info; - hb_glyph_info_t *out_info; - hb_glyph_position_t *pos; - - inline hb_glyph_info_t &cur (unsigned int i = 0) { return info[idx + i]; } - inline hb_glyph_info_t cur (unsigned int i = 0) const { return info[idx + i]; } - - inline hb_glyph_position_t &cur_pos (unsigned int i = 0) { return pos[idx + i]; } - inline hb_glyph_position_t cur_pos (unsigned int i = 0) const { return pos[idx + i]; } - - inline hb_glyph_info_t &prev (void) { return out_info[out_len - 1]; } - inline hb_glyph_info_t prev (void) const { return info[out_len - 1]; } - - unsigned int serial; - - /* These reflect current allocations of the bytes in glyph_info_t's var1 and var2. */ - uint8_t allocated_var_bytes[8]; - const char *allocated_var_owner[8]; - - /* Text before / after the main buffer contents. - * Always in Unicode, and ordered outward. - * Index 0 is for "pre-context", 1 for "post-context". */ - static const unsigned int CONTEXT_LENGTH = 5; - hb_codepoint_t context[2][CONTEXT_LENGTH]; - unsigned int context_len[2]; - - - /* Methods */ - - HB_INTERNAL void reset (void); - HB_INTERNAL void clear (void); - - inline unsigned int backtrack_len (void) const - { return have_output? out_len : idx; } - inline unsigned int next_serial (void) { return serial++; } - - HB_INTERNAL void allocate_var (unsigned int byte_i, unsigned int count, const char *owner); - HB_INTERNAL void deallocate_var (unsigned int byte_i, unsigned int count, const char *owner); - HB_INTERNAL void assert_var (unsigned int byte_i, unsigned int count, const char *owner); - HB_INTERNAL void deallocate_var_all (void); - - HB_INTERNAL void add (hb_codepoint_t codepoint, - unsigned int cluster); - HB_INTERNAL void add_info (const hb_glyph_info_t &glyph_info); - - HB_INTERNAL void reverse_range (unsigned int start, unsigned int end); - HB_INTERNAL void reverse (void); - HB_INTERNAL void reverse_clusters (void); - HB_INTERNAL void guess_segment_properties (void); - - HB_INTERNAL void swap_buffers (void); - HB_INTERNAL void remove_output (void); - HB_INTERNAL void clear_output (void); - HB_INTERNAL void clear_positions (void); - - HB_INTERNAL void replace_glyphs (unsigned int num_in, - unsigned int num_out, - const hb_codepoint_t *glyph_data); - - HB_INTERNAL void replace_glyph (hb_codepoint_t glyph_index); - /* Makes a copy of the glyph at idx to output and replace glyph_index */ - HB_INTERNAL void output_glyph (hb_codepoint_t glyph_index); - HB_INTERNAL void output_info (const hb_glyph_info_t &glyph_info); - /* Copies glyph at idx to output but doesn't advance idx */ - HB_INTERNAL void copy_glyph (void); - /* Copies glyph at idx to output and advance idx. - * If there's no output, just advance idx. */ - inline void - next_glyph (void) - { - if (have_output) - { - if (unlikely (out_info != info || out_len != idx)) { - if (unlikely (!make_room_for (1, 1))) return; - out_info[out_len] = info[idx]; - } - out_len++; - } - - idx++; - } - - /* Advance idx without copying to output. */ - inline void skip_glyph (void) { idx++; } - - inline void reset_masks (hb_mask_t mask) - { - for (unsigned int j = 0; j < len; j++) - info[j].mask = mask; - } - inline void add_masks (hb_mask_t mask) - { - for (unsigned int j = 0; j < len; j++) - info[j].mask |= mask; - } - HB_INTERNAL void set_masks (hb_mask_t value, - hb_mask_t mask, - unsigned int cluster_start, - unsigned int cluster_end); - - HB_INTERNAL void merge_clusters (unsigned int start, - unsigned int end); - HB_INTERNAL void merge_out_clusters (unsigned int start, - unsigned int end); - - /* Internal methods */ - HB_INTERNAL bool enlarge (unsigned int size); - - inline bool ensure (unsigned int size) - { return likely (size < allocated) ? true : enlarge (size); } - - HB_INTERNAL bool make_room_for (unsigned int num_in, unsigned int num_out); - - HB_INTERNAL void *get_scratch_buffer (unsigned int *size); - - inline void clear_context (unsigned int side) { context_len[side] = 0; } -}; - - -#define HB_BUFFER_XALLOCATE_VAR(b, func, var, owner) \ - b->func (offsetof (hb_glyph_info_t, var) - offsetof(hb_glyph_info_t, var1), \ - sizeof (b->info[0].var), owner) -#define HB_BUFFER_ALLOCATE_VAR(b, var) \ - HB_BUFFER_XALLOCATE_VAR (b, allocate_var, var (), #var) -#define HB_BUFFER_DEALLOCATE_VAR(b, var) \ - HB_BUFFER_XALLOCATE_VAR (b, deallocate_var, var (), #var) -#define HB_BUFFER_ASSERT_VAR(b, var) \ - HB_BUFFER_XALLOCATE_VAR (b, assert_var, var (), #var) - - -#endif /* HB_BUFFER_PRIVATE_HH */ |