1/* 2 * Copyright (C) 2015 The Android Open Source Project 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 19#include <minikin/FontCollection.h> 20#include "FontTestUtils.h" 21#include "MinikinFontForTest.h" 22#include "MinikinInternal.h" 23 24namespace minikin { 25 26// The test font has following glyphs. 27// U+82A6 28// U+82A6 U+FE00 (VS1) 29// U+82A6 U+E0100 (VS17) 30// U+82A6 U+E0101 (VS18) 31// U+82A6 U+E0102 (VS19) 32// U+845B 33// U+845B U+FE01 (VS2) 34// U+845B U+E0101 (VS18) 35// U+845B U+E0102 (VS19) 36// U+845B U+E0103 (VS20) 37// U+537F 38// U+717D U+FE02 (VS3) 39// U+717D U+E0102 (VS19) 40// U+717D U+E0103 (VS20) 41const char kVsTestFont[] = kTestFontDir "/VariationSelectorTest-Regular.ttf"; 42 43void expectVSGlyphs(const FontCollection* fc, uint32_t codepoint, const std::set<uint32_t>& vsSet) { 44 for (uint32_t vs = 0xFE00; vs <= 0xE01EF; ++vs) { 45 // Move to variation selectors supplements after variation selectors. 46 if (vs == 0xFF00) { 47 vs = 0xE0100; 48 } 49 if (vsSet.find(vs) == vsSet.end()) { 50 EXPECT_FALSE(fc->hasVariationSelector(codepoint, vs)) 51 << "Glyph for U+" << std::hex << codepoint << " U+" << vs; 52 } else { 53 EXPECT_TRUE(fc->hasVariationSelector(codepoint, vs)) 54 << "Glyph for U+" << std::hex << codepoint << " U+" << vs; 55 } 56 } 57} 58 59TEST(FontCollectionTest, hasVariationSelectorTest) { 60 std::shared_ptr<MinikinFont> font(new MinikinFontForTest(kVsTestFont)); 61 std::shared_ptr<FontFamily> family(new FontFamily( 62 std::vector<Font>({ Font(font, FontStyle()) }))); 63 std::vector<std::shared_ptr<FontFamily>> families({ family }); 64 std::shared_ptr<FontCollection> fc(new FontCollection(families)); 65 66 EXPECT_FALSE(fc->hasVariationSelector(0x82A6, 0)); 67 expectVSGlyphs(fc.get(), 0x82A6, std::set<uint32_t>({0xFE00, 0xFE0E, 0xE0100, 0xE0101, 0xE0102})); 68 69 EXPECT_FALSE(fc->hasVariationSelector(0x845B, 0)); 70 expectVSGlyphs(fc.get(), 0x845B, std::set<uint32_t>({0xFE01, 0xFE0E, 0xE0101, 0xE0102, 0xE0103})); 71 72 EXPECT_FALSE(fc->hasVariationSelector(0x537F, 0)); 73 expectVSGlyphs(fc.get(), 0x537F, std::set<uint32_t>({0xFE0E})); 74 75 EXPECT_FALSE(fc->hasVariationSelector(0x717D, 0)); 76 expectVSGlyphs(fc.get(), 0x717D, std::set<uint32_t>({0xFE02, 0xE0102, 0xE0103})); 77} 78 79const char kEmojiXmlFile[] = kTestFontDir "emoji.xml"; 80 81TEST(FontCollectionTest, hasVariationSelectorTest_emoji) { 82 std::shared_ptr<FontCollection> collection(getFontCollection(kTestFontDir, kEmojiXmlFile)); 83 84 // Both text/color font have cmap format 14 subtable entry for VS15/VS16 respectively. 85 EXPECT_TRUE(collection->hasVariationSelector(0x2623, 0xFE0E)); 86 EXPECT_TRUE(collection->hasVariationSelector(0x2623, 0xFE0F)); 87 88 // The text font has cmap format 14 subtable entry for VS15 but the color font doesn't have for 89 // VS16 90 EXPECT_TRUE(collection->hasVariationSelector(0x2626, 0xFE0E)); 91 EXPECT_FALSE(collection->hasVariationSelector(0x2626, 0xFE0F)); 92 93 // The color font has cmap format 14 subtable entry for VS16 but the text font doesn't have for 94 // VS15. 95 EXPECT_TRUE(collection->hasVariationSelector(0x262A, 0xFE0E)); 96 EXPECT_TRUE(collection->hasVariationSelector(0x262A, 0xFE0F)); 97 98 // Neither text/color font have cmap format 14 subtable entry for VS15/VS16. 99 EXPECT_TRUE(collection->hasVariationSelector(0x262E, 0xFE0E)); 100 EXPECT_FALSE(collection->hasVariationSelector(0x262E, 0xFE0F)); 101 102 // Text font doesn't support U+1F3FD. Only the color emoji fonts has. So VS15 is not supported. 103 EXPECT_FALSE(collection->hasVariationSelector(0x1F3FD, 0xFE0E)); 104 105 // Text font doesn't have U+262F U+FE0E or even its base code point U+262F. 106 EXPECT_FALSE(collection->hasVariationSelector(0x262F, 0xFE0E)); 107 108 // None of the fonts support U+2229. 109 EXPECT_FALSE(collection->hasVariationSelector(0x2229, 0xFE0E)); 110 EXPECT_FALSE(collection->hasVariationSelector(0x2229, 0xFE0F)); 111 112} 113 114TEST(FontCollectionTest, newEmojiTest) { 115 std::shared_ptr<FontCollection> collection(getFontCollection(kTestFontDir, kEmojiXmlFile)); 116 117 // U+2695, U+2640, U+2642 are not in emoji catrgory in Unicode 9 but they are now in emoji 118 // category. Should return true even if U+FE0E was appended. 119 // These three emojis are only avalilable in TextEmoji.ttf but U+2695 is excluded here since it 120 // is used in other tests. 121 EXPECT_TRUE(collection->hasVariationSelector(0x2640, 0xFE0E)); 122 EXPECT_FALSE(collection->hasVariationSelector(0x2640, 0xFE0F)); 123 EXPECT_TRUE(collection->hasVariationSelector(0x2642, 0xFE0E)); 124 EXPECT_FALSE(collection->hasVariationSelector(0x2642, 0xFE0F)); 125} 126 127TEST(FontCollectionTest, createWithVariations) { 128 // This font has 'wdth' and 'wght' axes. 129 const char kMultiAxisFont[] = kTestFontDir "/MultiAxis.ttf"; 130 const char kNoAxisFont[] = kTestFontDir "/Regular.ttf"; 131 132 std::shared_ptr<MinikinFont> multiAxisFont(new MinikinFontForTest(kMultiAxisFont)); 133 std::shared_ptr<FontFamily> multiAxisFamily(new FontFamily( 134 std::vector<Font>({ Font(multiAxisFont, FontStyle()) }))); 135 std::vector<std::shared_ptr<FontFamily>> multiAxisFamilies({multiAxisFamily}); 136 std::shared_ptr<FontCollection> multiAxisFc(new FontCollection(multiAxisFamilies)); 137 138 std::shared_ptr<MinikinFont> noAxisFont(new MinikinFontForTest(kNoAxisFont)); 139 std::shared_ptr<FontFamily> noAxisFamily(new FontFamily( 140 std::vector<Font>({ Font(noAxisFont, FontStyle()) }))); 141 std::vector<std::shared_ptr<FontFamily>> noAxisFamilies({noAxisFamily}); 142 std::shared_ptr<FontCollection> noAxisFc(new FontCollection(noAxisFamilies)); 143 144 { 145 // Do not ceate new instance if none of variations are specified. 146 EXPECT_EQ(nullptr, 147 multiAxisFc->createCollectionWithVariation(std::vector<FontVariation>())); 148 EXPECT_EQ(nullptr, 149 noAxisFc->createCollectionWithVariation(std::vector<FontVariation>())); 150 } 151 { 152 // New instance should be used for supported variation. 153 std::vector<FontVariation> variations = { 154 { MinikinFont::MakeTag('w', 'd', 't', 'h'), 1.0f } 155 }; 156 std::shared_ptr<FontCollection> newFc( 157 multiAxisFc->createCollectionWithVariation(variations)); 158 EXPECT_NE(nullptr, newFc.get()); 159 EXPECT_NE(multiAxisFc.get(), newFc.get()); 160 161 EXPECT_EQ(nullptr, noAxisFc->createCollectionWithVariation(variations)); 162 } 163 { 164 // New instance should be used for supported variation (multiple variations case). 165 std::vector<FontVariation> variations = { 166 { MinikinFont::MakeTag('w', 'd', 't', 'h'), 1.0f }, 167 { MinikinFont::MakeTag('w', 'g', 'h', 't'), 1.0f } 168 }; 169 std::shared_ptr<FontCollection> newFc( 170 multiAxisFc->createCollectionWithVariation(variations)); 171 EXPECT_NE(nullptr, newFc.get()); 172 EXPECT_NE(multiAxisFc.get(), newFc.get()); 173 174 EXPECT_EQ(nullptr, noAxisFc->createCollectionWithVariation(variations)); 175 } 176 { 177 // Do not ceate new instance if none of variations are supported. 178 std::vector<FontVariation> variations = { 179 { MinikinFont::MakeTag('Z', 'Z', 'Z', 'Z'), 1.0f } 180 }; 181 EXPECT_EQ(nullptr, multiAxisFc->createCollectionWithVariation(variations)); 182 EXPECT_EQ(nullptr, noAxisFc->createCollectionWithVariation(variations)); 183 } 184 { 185 // At least one axis is supported, should create new instance. 186 std::vector<FontVariation> variations = { 187 { MinikinFont::MakeTag('w', 'd', 't', 'h'), 1.0f }, 188 { MinikinFont::MakeTag('Z', 'Z', 'Z', 'Z'), 1.0f } 189 }; 190 std::shared_ptr<FontCollection> newFc( 191 multiAxisFc->createCollectionWithVariation(variations)); 192 EXPECT_NE(nullptr, newFc.get()); 193 EXPECT_NE(multiAxisFc.get(), newFc.get()); 194 195 EXPECT_EQ(nullptr, noAxisFc->createCollectionWithVariation(variations)); 196 } 197} 198 199} // namespace minikin 200