4035158de4
Ensure that we have the variables at the beginning of the block. These are the only fixes that we need for building HarfBuzz on older compilers.
100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
/*
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* Copyright © 2018 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
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*/
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#include "hb-test.h"
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#include "hb-subset-test.h"
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/* Unit tests for hmtx subsetting */
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static void check_num_vmetrics(hb_face_t *face, uint16_t expected_num_vmetrics)
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{
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hb_blob_t *vhea_blob = hb_face_reference_table (face, HB_TAG ('v','h','e','a'));
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hb_blob_t *vmtx_blob = hb_face_reference_table (face, HB_TAG ('v','m','t','x'));
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unsigned int vhea_len;
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uint8_t *raw_vhea = (uint8_t *) hb_blob_get_data(vhea_blob, &vhea_len);
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uint16_t num_vmetrics = (raw_vhea[vhea_len - 2] << 8) + raw_vhea[vhea_len - 1];
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g_assert_cmpuint(expected_num_vmetrics, ==, num_vmetrics);
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hb_blob_destroy (vhea_blob);
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hb_blob_destroy (vmtx_blob);
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}
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static void
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test_subset_vmtx_simple_subset (void)
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{
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hb_face_t *face_full = hb_subset_test_open_font ("fonts/Mplus1p-Regular.660E,6975,73E0,5EA6,8F38,6E05.ttf");
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hb_face_t *face_subset = hb_subset_test_open_font ("fonts/Mplus1p-Regular.660E.ttf");
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hb_face_t *face_full_subset;
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hb_set_t *codepoints = hb_set_create ();
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hb_set_add (codepoints, 0x660E);
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face_full_subset = hb_subset_test_create_subset (face_full, hb_subset_test_create_input (codepoints));
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hb_set_destroy (codepoints);
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check_num_vmetrics(face_full_subset, 1); /* nothing has same width */
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hb_subset_test_check (face_subset, face_full_subset, HB_TAG ('v','m','t','x'));
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hb_face_destroy (face_full_subset);
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hb_face_destroy (face_full);
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hb_face_destroy (face_subset);
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}
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static void
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test_subset_vmtx_noop (void)
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{
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hb_face_t *face_full = hb_subset_test_open_font ("fonts/Mplus1p-Regular.660E,6975,73E0,5EA6,8F38,6E05.ttf");
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hb_face_t *face_full_subset;
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hb_set_t *codepoints = hb_set_create();
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hb_set_add (codepoints, 0x660E);
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hb_set_add (codepoints, 0x6975);
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hb_set_add (codepoints, 0x73E0);
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hb_set_add (codepoints, 0x5EA6);
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hb_set_add (codepoints, 0x8F38);
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hb_set_add (codepoints, 0x6E05);
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face_full_subset = hb_subset_test_create_subset (face_full, hb_subset_test_create_input (codepoints));
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hb_set_destroy (codepoints);
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check_num_vmetrics(face_full_subset, 1); /* all have the same width */
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hb_subset_test_check (face_full, face_full_subset, HB_TAG ('v','m','t','x'));
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hb_face_destroy (face_full_subset);
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hb_face_destroy (face_full);
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}
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int
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main (int argc, char **argv)
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{
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hb_test_init (&argc, &argv);
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hb_test_add (test_subset_vmtx_simple_subset);
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hb_test_add (test_subset_vmtx_noop);
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return hb_test_run();
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}
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