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/*
* Copyright © 2023 Behdad Esfahbod
*
* 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.
*/
#ifndef HB_WASM_API_FACE_HH
#define HB_WASM_API_FACE_HH
#include "hb-wasm-api.hh"
namespace hb {
namespace wasm {
HB_WASM_API (ptr_t(face_t), face_create) (HB_WASM_EXEC_ENV
ptr_d(blob_t, blob),
unsigned int index)
{
HB_PTR_PARAM (blob_t, blob);
hb_blob_t *hb_blob = hb_blob_create(
HB_ARRAY_APP2NATIVE (char, blob->data, blob->length),
blob->length,
HB_MEMORY_MODE_DUPLICATE,
NULL,
NULL);
hb_face_t *face = hb_face_create(hb_blob, index);
HB_OBJ2REF (face);
return faceref;
}
HB_WASM_API (bool_t, face_copy_table) (HB_WASM_EXEC_ENV
ptr_d(face_t, face),
tag_t table_tag,
ptr_d(blob_t, blob))
{
HB_REF2OBJ (face);
HB_PTR_PARAM (blob_t, blob);
if (unlikely (!blob))
return false;
hb_blob_t *hb_blob = hb_face_reference_table (face, table_tag);
unsigned length;
const char *hb_data = hb_blob_get_data (hb_blob, &length);
if (length <= blob->length)
{
char *data = HB_ARRAY_APP2NATIVE (char, blob->data, length);
if (unlikely (!data))
{
blob->length = 0;
return false;
}
hb_memcpy (data, hb_data, length);
return true;
}
module_free (blob->data);
blob->length = length;
blob->data = wasm_runtime_module_dup_data (module_inst, hb_data, length);
hb_blob_destroy (hb_blob);
if (blob->length && !blob->data)
{
blob->length = 0;
return false;
}
return true;
}
HB_WASM_API (unsigned, face_get_upem) (HB_WASM_EXEC_ENV
ptr_d(face_t, face))
{
HB_REF2OBJ (face);
return hb_face_get_upem (face);
}
}}
#endif /* HB_WASM_API_FACE_HH */
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