kc3-lang/harfbuzz/src/hb-wasm-api-face.hh

Branch - branch -main

• Show log

  Commit

• Hash : 1fc128f6
  Author :
  Date : 2023-06-26T18:34:27
  

  Replace a few memset/memcpy's with hb_ equivalents
  

Download

• src/hb-wasm-api-face.hh

• /*
   * 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 */
  

Download