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