/*
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* Copyright 2011 Google Inc. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "gtest/gtest.h"
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#include "sfntly/font.h"
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#include "sfntly/table/core/horizontal_metrics_table.h"
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#include "test/serialization_test.h"
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namespace sfntly {
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const int32_t HMTX_ENTRIES_COUNT = 1499;
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const int32_t HMTX_LSB_COUNT = 3;
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struct HmtxEntry {
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int32_t advance_width_;
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int32_t lsb_;
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HmtxEntry(int32_t advance_width, int32_t lsb)
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: advance_width_(advance_width), lsb_(lsb) {}
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};
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const HmtxEntry HMTX_ENTRIES[] = {
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HmtxEntry(748, 68), // 0
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HmtxEntry(0, 0), // 1
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HmtxEntry(682, 0), // 2
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HmtxEntry(616, 0), // 3
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HmtxEntry(421, 103), // 4
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HmtxEntry(690, 129), // 5
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HmtxEntry(1589, 129), // 6
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HmtxEntry(1017, 25), // 7
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HmtxEntry(1402, 104), // 8
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HmtxEntry(1241, 100), // 9
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};
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const int32_t NUM_HMTX_ENTRIES = 10;
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static bool VerifyHMTX(Table* table) {
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HorizontalMetricsTablePtr hmtx = down_cast<HorizontalMetricsTable*>(table);
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if (hmtx == NULL) {
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return false;
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}
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EXPECT_EQ(hmtx->NumberOfHMetrics(), HMTX_ENTRIES_COUNT);
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EXPECT_EQ(hmtx->NumberOfLSBs(), HMTX_LSB_COUNT);
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for (int32_t i = 0; i < NUM_HMTX_ENTRIES; ++i) {
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EXPECT_EQ(hmtx->AdvanceWidth(i), HMTX_ENTRIES[i].advance_width_);
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EXPECT_EQ(hmtx->LeftSideBearing(i), HMTX_ENTRIES[i].lsb_);
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}
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// No such element case.
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EXPECT_EQ(hmtx->AdvanceWidth(HMTX_ENTRIES_COUNT),
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HMTX_ENTRIES[0].advance_width_);
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EXPECT_EQ(hmtx->LeftSideBearing(HMTX_ENTRIES_COUNT), HMTX_ENTRIES[0].lsb_);
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return true;
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}
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bool VerifyHMTX(Table* original, Table* target) {
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EXPECT_TRUE(VerifyHMTX(original));
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EXPECT_TRUE(VerifyHMTX(target));
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return true;
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}
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} // namespace sfntly
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