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Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-0.9.29/src/hb-face-private.hh')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-0.9.29/src/hb-face-private.hh | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.29/src/hb-face-private.hh b/Build/source/libs/harfbuzz/harfbuzz-0.9.29/src/hb-face-private.hh new file mode 100644 index 00000000000..6520d3dbdff --- /dev/null +++ b/Build/source/libs/harfbuzz/harfbuzz-0.9.29/src/hb-face-private.hh @@ -0,0 +1,107 @@ +/* + * Copyright © 2009 Red Hat, Inc. + * Copyright © 2011 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): Behdad Esfahbod + * Google Author(s): Behdad Esfahbod + */ + +#ifndef HB_FACE_PRIVATE_HH +#define HB_FACE_PRIVATE_HH + +#include "hb-private.hh" + +#include "hb-object-private.hh" +#include "hb-shaper-private.hh" +#include "hb-shape-plan-private.hh" + + +/* + * hb_face_t + */ + +struct hb_face_t { + hb_object_header_t header; + ASSERT_POD (); + + hb_bool_t immutable; + + hb_reference_table_func_t reference_table_func; + void *user_data; + hb_destroy_func_t destroy; + + unsigned int index; + mutable unsigned int upem; + mutable unsigned int num_glyphs; + + struct hb_shaper_data_t shaper_data; + + struct plan_node_t { + hb_shape_plan_t *shape_plan; + plan_node_t *next; + } *shape_plans; + + + inline hb_blob_t *reference_table (hb_tag_t tag) const + { + hb_blob_t *blob; + + if (unlikely (!this || !reference_table_func)) + return hb_blob_get_empty (); + + blob = reference_table_func (/*XXX*/const_cast<hb_face_t *> (this), tag, user_data); + if (unlikely (!blob)) + return hb_blob_get_empty (); + + return blob; + } + + inline HB_PURE_FUNC unsigned int get_upem (void) const + { + if (unlikely (!upem)) + load_upem (); + return upem; + } + + inline unsigned int get_num_glyphs (void) const + { + if (unlikely (num_glyphs == (unsigned int) -1)) + load_num_glyphs (); + return num_glyphs; + } + + private: + HB_INTERNAL void load_upem (void) const; + HB_INTERNAL void load_num_glyphs (void) const; +}; + +extern HB_INTERNAL const hb_face_t _hb_face_nil; + +#define HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS +#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_PROTOTYPE(shaper, face); +#include "hb-shaper-list.hh" +#undef HB_SHAPER_IMPLEMENT +#undef HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS + + +#endif /* HB_FACE_PRIVATE_HH */ |