harfbuzz/src/hb-wasm-shape.cc

101 lines
2.3 KiB
C++

/*
* 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.
*
* Google Author(s): Behdad Esfahbod
*/
#include "hb-shaper-impl.hh"
#ifdef HAVE_WASM
/*
* shaper face data
*/
#define HB_WASM_TAG_WASM HB_TAG('W','a','s','m')
struct hb_wasm_face_data_t {
hb_blob_t *blob;
};
hb_wasm_face_data_t *
_hb_wasm_shaper_face_data_create (hb_face_t *face)
{
hb_blob_t *wasm_blob = hb_face_reference_table (face, HB_WASM_TAG_WASM);
if (!hb_blob_get_length (wasm_blob))
{
hb_blob_destroy (wasm_blob);
return nullptr;
}
hb_wasm_face_data_t *data = (hb_wasm_face_data_t *) hb_calloc (1, sizeof (hb_wasm_face_data_t));
if (unlikely (!data))
return nullptr;
data->blob = wasm_blob;
return data;
}
void
_hb_wasm_shaper_face_data_destroy (hb_wasm_face_data_t *data)
{
hb_blob_destroy (data->blob);
hb_free (data);
}
/*
* shaper font data
*/
struct hb_wasm_font_data_t {};
hb_wasm_font_data_t *
_hb_wasm_shaper_font_data_create (hb_font_t *font HB_UNUSED)
{
return (hb_wasm_font_data_t *) HB_SHAPER_DATA_SUCCEEDED;
}
void
_hb_wasm_shaper_font_data_destroy (hb_wasm_font_data_t *data HB_UNUSED)
{
}
/*
* shaper
*/
hb_bool_t
_hb_wasm_shape (hb_shape_plan_t *shape_plan,
hb_font_t *font,
hb_buffer_t *buffer,
const hb_feature_t *features,
unsigned int num_features)
{
return false;
}
#endif