/* * Copyright © 2017 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. * * Google Author(s): Behdad Esfahbod */ #include "hb-open-type-private.hh" #include "hb-ot-layout-private.hh" #include "hb-ot-layout-gsubgpos-private.hh" #include "hb-aat-layout-private.hh" #include "hb-aat-layout-ankr-table.hh" #include "hb-aat-layout-bsln-table.hh" // Just so we compile it; unused otherwise. #include "hb-aat-layout-feat-table.hh" // Just so we compile it; unused otherwise. #include "hb-aat-layout-kerx-table.hh" #include "hb-aat-layout-morx-table.hh" #include "hb-aat-layout-trak-table.hh" #include "hb-aat-fmtx-table.hh" // Just so we compile it; unused otherwise. #include "hb-aat-gcid-table.hh" // Just so we compile it; unused otherwise. #include "hb-aat-ltag-table.hh" // Just so we compile it; unused otherwise. /* * morx/kerx/trak */ #if 0 static inline const AAT::ankr& _get_ankr (hb_face_t *face, hb_blob_t **blob = nullptr) { if (unlikely (!hb_ot_shaper_face_data_ensure (face))) { if (blob) *blob = hb_blob_get_empty (); return Null(AAT::ankr); } hb_ot_layout_t * layout = hb_ot_layout_from_face (face); const AAT::ankr& ankr = *(layout->ankr.get ()); if (blob) *blob = layout->ankr.blob; return ankr; } static inline const AAT::kerx& _get_kerx (hb_face_t *face, hb_blob_t **blob = nullptr) { if (unlikely (!hb_ot_shaper_face_data_ensure (face))) { if (blob) *blob = hb_blob_get_empty (); return Null(AAT::kerx); } hb_ot_layout_t * layout = hb_ot_layout_from_face (face); /* XXX this doesn't call set_num_glyphs on sanitizer. */ const AAT::kerx& kerx = *(layout->kerx.get ()); if (blob) *blob = layout->kerx.blob; return kerx; } static inline const AAT::morx& _get_morx (hb_face_t *face, hb_blob_t **blob = nullptr) { if (unlikely (!hb_ot_shaper_face_data_ensure (face))) { if (blob) *blob = hb_blob_get_empty (); return Null(AAT::morx); } hb_ot_layout_t * layout = hb_ot_layout_from_face (face); /* XXX this doesn't call set_num_glyphs on sanitizer. */ const AAT::morx& morx = *(layout->morx.get ()); if (blob) *blob = layout->morx.blob; return morx; } static inline const AAT::trak& _get_trak (hb_face_t *face, hb_blob_t **blob = nullptr) { if (unlikely (!hb_ot_shaper_face_data_ensure (face))) { if (blob) *blob = hb_blob_get_empty (); return Null(AAT::trak); } hb_ot_layout_t * layout = hb_ot_layout_from_face (face); const AAT::trak& trak = *(layout->trak.get ()); if (blob) *blob = layout->trak.blob; return trak; } #endif // static inline void // _hb_aat_layout_create (hb_face_t *face) // { // OT::Sanitizer sanitizer; // sanitizer.set_num_glyphs (face->get_num_glyphs ()); // hb_blob_t *morx_blob = sanitizer.sanitize (face->reference_table (HB_AAT_TAG_morx)); // morx_blob->as (); // if (0) // { // morx_blob->as > ()->get_value (1, face->get_num_glyphs ()); // } // } void hb_aat_layout_substitute (hb_font_t *font, hb_buffer_t *buffer) { #if 0 hb_blob_t *blob; const AAT::morx& morx = _get_morx (font->face, &blob); AAT::hb_aat_apply_context_t c (font, buffer, blob); morx.apply (&c); #endif } void hb_aat_layout_position (hb_font_t *font, hb_buffer_t *buffer) { #if 0 hb_blob_t *blob; const AAT::ankr& ankr = _get_ankr (font->face, &blob); const AAT::kerx& kerx = _get_kerx (font->face, &blob); const AAT::trak& trak = _get_trak (font->face, &blob); AAT::hb_aat_apply_context_t c (font, buffer, blob); kerx.apply (&c, &ankr); trak.apply (&c); #endif }