HarfBuzz text shaping engine
http://harfbuzz.github.io/
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99 lines
3.4 KiB
99 lines
3.4 KiB
/* |
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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_test_open_font_file ("fonts/Mplus1p-Regular.660E,6975,73E0,5EA6,8F38,6E05.ttf"); |
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hb_face_t *face_subset = hb_test_open_font_file ("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_test_open_font_file ("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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