56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
/*
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* Copyright (C) 2016 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 "GammaFontRenderer.h"
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#include "tests/common/TestUtils.h"
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using namespace android::uirenderer;
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static bool isZero(uint8_t* data, int size) {
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for (int i = 0; i < size; i++) {
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if (data[i]) return false;
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}
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return true;
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}
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RENDERTHREAD_TEST(FontRenderer, renderDropShadow) {
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SkPaint paint;
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paint.setTextSize(10);
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paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
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GammaFontRenderer gammaFontRenderer;
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FontRenderer& fontRenderer = gammaFontRenderer.getFontRenderer();
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fontRenderer.setFont(&paint, SkMatrix::I());
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std::vector<glyph_t> glyphs;
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std::vector<float> positions;
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float totalAdvance;
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Rect bounds;
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TestUtils::layoutTextUnscaled(paint, "This is a test",
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&glyphs, &positions, &totalAdvance, &bounds);
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for (int radius : {28, 20, 2}) {
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auto result = fontRenderer.renderDropShadow(&paint, glyphs.data(), glyphs.size(),
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radius, positions.data());
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ASSERT_NE(nullptr, result.image);
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EXPECT_FALSE(isZero(result.image, result.width * result.height));
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EXPECT_LE(bounds.getWidth() + radius * 2, (int) result.width);
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EXPECT_LE(bounds.getHeight() + radius * 2, (int) result.height);
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delete result.image;
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}
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}
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