| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <gtest/gtest.h> |
| |
| #include <minikin/FontCollection.h> |
| #include "FontTestUtils.h" |
| #include "MinikinFontForTest.h" |
| #include "MinikinInternal.h" |
| |
| namespace android { |
| |
| // The test font has following glyphs. |
| // U+82A6 |
| // U+82A6 U+FE00 (VS1) |
| // U+82A6 U+E0100 (VS17) |
| // U+82A6 U+E0101 (VS18) |
| // U+82A6 U+E0102 (VS19) |
| // U+845B |
| // U+845B U+FE01 (VS2) |
| // U+845B U+E0101 (VS18) |
| // U+845B U+E0102 (VS19) |
| // U+845B U+E0103 (VS20) |
| // U+537F |
| // U+717D U+FE02 (VS3) |
| // U+717D U+E0102 (VS19) |
| // U+717D U+E0103 (VS20) |
| const char kVsTestFont[] = kTestFontDir "/VarioationSelectorTest-Regular.ttf"; |
| |
| void expectVSGlyphs(const FontCollection& fc, uint32_t codepoint, const std::set<uint32_t>& vsSet) { |
| for (uint32_t vs = 0xFE00; vs <= 0xE01EF; ++vs) { |
| // Move to variation selectors supplements after variation selectors. |
| if (vs == 0xFF00) { |
| vs = 0xE0100; |
| } |
| if (vsSet.find(vs) == vsSet.end()) { |
| EXPECT_FALSE(fc.hasVariationSelector(codepoint, vs)) |
| << "Glyph for U+" << std::hex << codepoint << " U+" << vs; |
| } else { |
| EXPECT_TRUE(fc.hasVariationSelector(codepoint, vs)) |
| << "Glyph for U+" << std::hex << codepoint << " U+" << vs; |
| } |
| } |
| } |
| |
| TEST(FontCollectionTest, hasVariationSelectorTest) { |
| FontFamily* family = new FontFamily(); |
| family->addFont(new MinikinFontForTest(kVsTestFont)); |
| std::vector<FontFamily*> families({family}); |
| FontCollection fc(families); |
| family->Unref(); |
| |
| EXPECT_FALSE(fc.hasVariationSelector(0x82A6, 0)); |
| expectVSGlyphs(fc, 0x82A6, std::set<uint32_t>({0xFE00, 0xE0100, 0xE0101, 0xE0102})); |
| |
| EXPECT_FALSE(fc.hasVariationSelector(0x845B, 0)); |
| expectVSGlyphs(fc, 0x845B, std::set<uint32_t>({0xFE01, 0xE0101, 0xE0102, 0xE0103})); |
| |
| EXPECT_FALSE(fc.hasVariationSelector(0x537F, 0)); |
| expectVSGlyphs(fc, 0x537F, std::set<uint32_t>({})); |
| |
| EXPECT_FALSE(fc.hasVariationSelector(0x717D, 0)); |
| expectVSGlyphs(fc, 0x717D, std::set<uint32_t>({0xFE02, 0xE0102, 0xE0103})); |
| } |
| |
| const char kEmojiXmlFile[] = kTestFontDir "emoji.xml"; |
| |
| TEST(FontCollectionTest, hasVariationSelectorTest_emoji) { |
| MinikinAutoUnref<FontCollection> collection(getFontCollection(kTestFontDir, kEmojiXmlFile)); |
| |
| // Both text/color font have cmap format 14 subtable entry for VS15/VS16 respectively. |
| EXPECT_TRUE(collection->hasVariationSelector(0x2623, 0xFE0E)); |
| EXPECT_TRUE(collection->hasVariationSelector(0x2623, 0xFE0F)); |
| |
| // The text font has cmap format 14 subtable entry for VS15 but the color font doesn't have for |
| // VS16 |
| EXPECT_TRUE(collection->hasVariationSelector(0x2626, 0xFE0E)); |
| EXPECT_FALSE(collection->hasVariationSelector(0x2626, 0xFE0F)); |
| |
| // The color font has cmap format 14 subtable entry for VS16 but the text font doesn't have for |
| // VS15. |
| EXPECT_TRUE(collection->hasVariationSelector(0x262A, 0xFE0E)); |
| EXPECT_TRUE(collection->hasVariationSelector(0x262A, 0xFE0F)); |
| |
| // Neither text/color font have cmap format 14 subtable entry for VS15/VS16. |
| EXPECT_TRUE(collection->hasVariationSelector(0x262E, 0xFE0E)); |
| EXPECT_FALSE(collection->hasVariationSelector(0x262E, 0xFE0F)); |
| |
| // Text font doesn't have U+262F U+FE0E or even its base code point U+262F. |
| EXPECT_FALSE(collection->hasVariationSelector(0x262F, 0xFE0E)); |
| |
| // VS15/VS16 is only for emoji, should return false for not an emoji code point. |
| EXPECT_FALSE(collection->hasVariationSelector(0x2229, 0xFE0E)); |
| EXPECT_FALSE(collection->hasVariationSelector(0x2229, 0xFE0F)); |
| } |
| |
| } // namespace android |