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80d113bcd4
To implement Paint.hasGlyph(), we need a new method to ask the FontCollection if it has a glyph for the code point and variation selector pair. Bug: 11256006 Change-Id: Ie4185c91bcaa4d01aee6beb97784b1f9d2a88f12
79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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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 <minikin/FontCollection.h>
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#include "MinikinFontForTest.h"
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#include "MinikinInternal.h"
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namespace android {
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// The test font has following glyphs.
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// U+82A6
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// U+82A6 U+FE00 (VS1)
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// U+82A6 U+E0100 (VS17)
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// U+82A6 U+E0101 (VS18)
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// U+82A6 U+E0102 (VS19)
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// U+845B
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// U+845B U+FE01 (VS2)
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// U+845B U+E0101 (VS18)
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// U+845B U+E0102 (VS19)
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// U+845B U+E0103 (VS20)
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// U+537F
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// U+717D U+FE02 (VS3)
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// U+717D U+E0102 (VS19)
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// U+717D U+E0103 (VS20)
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const char kVsTestFont[] = "/data/minikin/test/data/VarioationSelectorTest-Regular.ttf";
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void expectVSGlyphs(const FontCollection& fc, uint32_t codepoint, const std::set<uint32_t>& vsSet) {
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for (uint32_t vs = 0xFE00; vs <= 0xE01EF; ++vs) {
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// Move to variation selectors supplements after variation selectors.
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if (vs == 0xFF00) {
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vs = 0xE0100;
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}
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if (vsSet.find(vs) == vsSet.end()) {
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EXPECT_FALSE(fc.hasVariationSelector(codepoint, vs))
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<< "Glyph for U+" << std::hex << codepoint << " U+" << vs;
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} else {
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EXPECT_TRUE(fc.hasVariationSelector(codepoint, vs))
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<< "Glyph for U+" << std::hex << codepoint << " U+" << vs;
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}
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}
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}
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TEST(FontCollectionTest, hasVariationSelectorTest) {
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FontFamily* family = new FontFamily();
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family->addFont(new MinikinFontForTest(kVsTestFont));
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std::vector<FontFamily*> families({family});
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FontCollection fc(families);
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family->Unref();
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EXPECT_FALSE(fc.hasVariationSelector(0x82A6, 0));
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expectVSGlyphs(fc, 0x82A6, std::set<uint32_t>({0xFE00, 0xE0100, 0xE0101, 0xE0102}));
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EXPECT_FALSE(fc.hasVariationSelector(0x845B, 0));
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expectVSGlyphs(fc, 0x845B, std::set<uint32_t>({0xFE01, 0xE0101, 0xE0102, 0xE0103}));
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EXPECT_FALSE(fc.hasVariationSelector(0x537F, 0));
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expectVSGlyphs(fc, 0x537F, std::set<uint32_t>({}));
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EXPECT_FALSE(fc.hasVariationSelector(0x717D, 0));
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expectVSGlyphs(fc, 0x717D, std::set<uint32_t>({0xFE02, 0xE0102, 0xE0103}));
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}
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} // namespace android
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