1 /* 2 * Copyright 2011 Google Inc. All Rights Reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "gtest/gtest.h" 18 #include "sfntly/font.h" 19 #include "sfntly/table/core/horizontal_metrics_table.h" 20 #include "test/serialization_test.h" 21 22 namespace sfntly { 23 24 const int32_t HMTX_ENTRIES_COUNT = 1499; 25 const int32_t HMTX_LSB_COUNT = 3; 26 27 struct HmtxEntry { 28 int32_t advance_width_; 29 int32_t lsb_; 30 31 HmtxEntry(int32_t advance_width, int32_t lsb) 32 : advance_width_(advance_width), lsb_(lsb) {} 33 }; 34 35 const HmtxEntry HMTX_ENTRIES[] = { 36 HmtxEntry(748, 68), // 0 37 HmtxEntry(0, 0), // 1 38 HmtxEntry(682, 0), // 2 39 HmtxEntry(616, 0), // 3 40 HmtxEntry(421, 103), // 4 41 HmtxEntry(690, 129), // 5 42 HmtxEntry(1589, 129), // 6 43 HmtxEntry(1017, 25), // 7 44 HmtxEntry(1402, 104), // 8 45 HmtxEntry(1241, 100), // 9 46 }; 47 const int32_t NUM_HMTX_ENTRIES = 10; 48 49 static bool VerifyHMTX(Table* table) { 50 HorizontalMetricsTablePtr hmtx = down_cast<HorizontalMetricsTable*>(table); 51 if (hmtx == NULL) { 52 return false; 53 } 54 55 EXPECT_EQ(hmtx->NumberOfHMetrics(), HMTX_ENTRIES_COUNT); 56 EXPECT_EQ(hmtx->NumberOfLSBs(), HMTX_LSB_COUNT); 57 58 for (int32_t i = 0; i < NUM_HMTX_ENTRIES; ++i) { 59 EXPECT_EQ(hmtx->AdvanceWidth(i), HMTX_ENTRIES[i].advance_width_); 60 EXPECT_EQ(hmtx->LeftSideBearing(i), HMTX_ENTRIES[i].lsb_); 61 } 62 63 // No such element case. 64 EXPECT_EQ(hmtx->AdvanceWidth(HMTX_ENTRIES_COUNT), 65 HMTX_ENTRIES[0].advance_width_); 66 EXPECT_EQ(hmtx->LeftSideBearing(HMTX_ENTRIES_COUNT), HMTX_ENTRIES[0].lsb_); 67 return true; 68 } 69 70 bool VerifyHMTX(Table* original, Table* target) { 71 EXPECT_TRUE(VerifyHMTX(original)); 72 EXPECT_TRUE(VerifyHMTX(target)); 73 return true; 74 } 75 76 } // namespace sfntly 77
