2023-02-23 21:58:40 +01:00
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/*
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* Copyright © 2023 Behdad Esfahbod
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*/
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#ifndef HB_WASM_API_BUFFER_HH
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#define HB_WASM_API_BUFFER_HH
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#include "hb-wasm-api.hh"
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#include "hb-buffer.hh"
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namespace hb {
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namespace wasm {
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2023-02-23 23:06:18 +01:00
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void
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buffer_contents_free (HB_WASM_EXEC_ENV
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ptr_t(buffer_contents_t) contentsptr)
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{
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2023-02-23 23:15:06 +01:00
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HB_STRUCT_TYPE (buffer_contents_t, contents);
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if (unlikely (!contents))
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2023-02-23 23:06:18 +01:00
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return;
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module_free (contents->info);
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module_free (contents->pos);
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}
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2023-02-23 21:58:40 +01:00
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void
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buffer_copy_contents (HB_WASM_EXEC_ENV_COMPOUND
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2023-02-23 23:03:03 +01:00
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ptr_t(buffer_t) bufferref)
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2023-02-23 21:58:40 +01:00
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{
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HB_RETURN_TYPE (buffer_contents_t, ret);
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HB_REF2OBJ (buffer);
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if (buffer->have_output)
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buffer->sync ();
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static_assert (sizeof (glyph_info_t) == sizeof (hb_glyph_info_t), "");
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static_assert (sizeof (glyph_position_t) == sizeof (hb_glyph_position_t), "");
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unsigned length = buffer->len;
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ret.length = length;
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ret.info = wasm_runtime_module_dup_data (module_inst, (const char *) buffer->info, length * sizeof (buffer->info[0]));
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ret.pos = wasm_runtime_module_dup_data (module_inst, (const char *) buffer->pos, length * sizeof (buffer->pos[0]));
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}
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}}
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#endif /* HB_WASM_API_BUFFER_HH */
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