164 lines
3.5 KiB
C++
164 lines
3.5 KiB
C++
/*
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* Copyright © 2009 Red Hat, Inc.
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* Copyright © 2012 Google, Inc.
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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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* Google Author(s): Garret Rieger, Rod Sheeter
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*/
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#include "hb-private.hh"
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#include "hb-object-private.hh"
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struct hb_subset_profile_t {
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hb_object_header_t header;
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ASSERT_POD ();
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};
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struct hb_subset_input_t {
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hb_object_header_t header;
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ASSERT_POD ();
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hb_set_t *codepoints;
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};
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struct hb_subset_face_t {
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hb_object_header_t header;
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ASSERT_POD ();
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hb_face_t *face;
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};
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/**
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* hb_subset_profile_create:
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*
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* Return value: New profile with default settings.
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*
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* Since: 1.7.5
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**/
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hb_subset_profile_t *
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hb_subset_profile_create ()
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{
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return hb_object_create<hb_subset_profile_t>();
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}
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/**
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* hb_subset_profile_destroy:
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*
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* Since: 1.7.5
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**/
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void
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hb_subset_profile_destroy (hb_subset_profile_t *profile)
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{
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if (!hb_object_destroy (profile)) return;
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free (profile);
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}
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/**
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* hb_subset_input_create:
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*
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* Return value: New subset input.
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*
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* Since: 1.7.5
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**/
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hb_subset_input_t *
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hb_subset_input_create (hb_set_t *codepoints)
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{
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if (unlikely (!codepoints))
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codepoints = hb_set_get_empty();
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hb_subset_input_t *input = hb_object_create<hb_subset_input_t>();
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input->codepoints = hb_set_reference(codepoints);
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return input;
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}
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/**
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* hb_subset_input_destroy:
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*
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* Since: 1.7.5
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**/
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void
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hb_subset_input_destroy(hb_subset_input_t *subset_input)
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{
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if (!hb_object_destroy (subset_input)) return;
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hb_set_destroy (subset_input->codepoints);
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free (subset_input);
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}
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/**
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* hb_subset_face_create:
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*
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* Return value: New subset face.
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*
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* Since: 1.7.5
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**/
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hb_subset_face_t *
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hb_subset_face_create (hb_face_t *face)
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{
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if (unlikely (!face))
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face = hb_face_get_empty();
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hb_subset_face_t *subset_face = hb_object_create<hb_subset_face_t> ();
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subset_face->face = hb_face_reference (face);
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return subset_face;
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}
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/**
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* hb_subset_face_destroy:
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*
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* Since: 1.7.5
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**/
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void
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hb_subset_face_destroy (hb_subset_face_t *subset_face)
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{
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if (!hb_object_destroy (subset_face)) return;
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hb_face_destroy(subset_face->face);
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free (subset_face);
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}
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/**
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* hb_subset:
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* @profile: profile to use for the subsetting.
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* @input: input to use for the subsetting.
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* @face: font face data to be subset.
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* @result: subsetting result.
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*
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* Subsets a font according to provided profile and input.
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**/
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hb_bool_t
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hb_subset (hb_subset_profile_t *profile,
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hb_subset_input_t *input,
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hb_subset_face_t *face,
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hb_blob_t **result /* OUT */)
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{
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if (!profile || !input || !face) return false;
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*result = hb_face_reference_blob(face->face);
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return true;
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}
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