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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#include "core/paint/TextPainter.h"
#include "core/CSSPropertyNames.h"
#include "core/CSSValueKeywords.h"
#include "core/css/CSSPrimitiveValue.h"
#include "core/frame/Settings.h"
#include "core/rendering/RenderText.h"
#include "core/rendering/RenderingTestHelper.h"
#include "core/rendering/style/ShadowData.h"
#include "core/rendering/style/ShadowList.h"
#include <gtest/gtest.h>
namespace blink {
namespace {
class TextPainterTest : public RenderingTest {
public:
TextPainterTest() : m_renderText(nullptr) { }
protected:
RenderText* renderText() { return m_renderText; }
private:
virtual void SetUp() override
{
RenderingTest::SetUp();
setBodyInnerHTML("Hello world");
m_renderText = toRenderText(document().body()->firstChild()->renderer());
ASSERT_TRUE(m_renderText);
ASSERT_EQ("Hello world", m_renderText->text());
}
RenderText* m_renderText;
};
TEST_F(TextPainterTest, TextPaintingStyle_Simple)
{
document().body()->setInlineStyleProperty(CSSPropertyColor, CSSValueBlue);
document().view()->updateLayoutAndStyleIfNeededRecursive();
TextPainter::Style textStyle = TextPainter::textPaintingStyle(
*renderText(), renderText()->style(), false /* forceBlackText */, false /* isPrinting */);
EXPECT_EQ(Color(0, 0, 255), textStyle.fillColor);
EXPECT_EQ(Color(0, 0, 255), textStyle.strokeColor);
EXPECT_EQ(Color(0, 0, 255), textStyle.emphasisMarkColor);
EXPECT_EQ(0, textStyle.strokeWidth);
EXPECT_EQ(nullptr, textStyle.shadow);
}
TEST_F(TextPainterTest, TextPaintingStyle_AllProperties)
{
document().body()->setInlineStyleProperty(CSSPropertyWebkitTextFillColor, CSSValueRed);
document().body()->setInlineStyleProperty(CSSPropertyWebkitTextStrokeColor, CSSValueLime);
document().body()->setInlineStyleProperty(CSSPropertyWebkitTextEmphasisColor, CSSValueBlue);
document().body()->setInlineStyleProperty(CSSPropertyWebkitTextStrokeWidth, 4, CSSPrimitiveValue::CSS_PX);
document().body()->setInlineStyleProperty(CSSPropertyTextShadow, "1px 2px 3px yellow");
document().view()->updateLayoutAndStyleIfNeededRecursive();
TextPainter::Style textStyle = TextPainter::textPaintingStyle(
*renderText(), renderText()->style(), false /* forceBlackText */, false /* isPrinting */);
EXPECT_EQ(Color(255, 0, 0), textStyle.fillColor);
EXPECT_EQ(Color(0, 255, 0), textStyle.strokeColor);
EXPECT_EQ(Color(0, 0, 255), textStyle.emphasisMarkColor);
EXPECT_EQ(4, textStyle.strokeWidth);
ASSERT_NE(nullptr, textStyle.shadow);
EXPECT_EQ(1u, textStyle.shadow->shadows().size());
EXPECT_EQ(1, textStyle.shadow->shadows()[0].x());
EXPECT_EQ(2, textStyle.shadow->shadows()[0].y());
EXPECT_EQ(3, textStyle.shadow->shadows()[0].blur());
EXPECT_EQ(Color(255, 255, 0), textStyle.shadow->shadows()[0].color());
}
TEST_F(TextPainterTest, TextPaintingStyle_ForceBlackText)
{
document().body()->setInlineStyleProperty(CSSPropertyWebkitTextFillColor, CSSValueRed);
document().body()->setInlineStyleProperty(CSSPropertyWebkitTextStrokeColor, CSSValueLime);
document().body()->setInlineStyleProperty(CSSPropertyWebkitTextEmphasisColor, CSSValueBlue);
document().body()->setInlineStyleProperty(CSSPropertyWebkitTextStrokeWidth, 4, CSSPrimitiveValue::CSS_PX);
document().body()->setInlineStyleProperty(CSSPropertyTextShadow, "1px 2px 3px yellow");
document().view()->updateLayoutAndStyleIfNeededRecursive();
TextPainter::Style textStyle = TextPainter::textPaintingStyle(
*renderText(), renderText()->style(), true /* forceBlackText */, false /* isPrinting */);
EXPECT_EQ(Color::black, textStyle.fillColor);
EXPECT_EQ(Color::black, textStyle.strokeColor);
EXPECT_EQ(Color::black, textStyle.emphasisMarkColor);
EXPECT_EQ(4, textStyle.strokeWidth);
EXPECT_EQ(nullptr, textStyle.shadow);
}
TEST_F(TextPainterTest, TextPaintingStyle_ForceBackgroundToWhite_NoAdjustmentNeeded)
{
document().body()->setInlineStyleProperty(CSSPropertyWebkitTextFillColor, CSSValueRed);
document().body()->setInlineStyleProperty(CSSPropertyWebkitTextStrokeColor, CSSValueLime);
document().body()->setInlineStyleProperty(CSSPropertyWebkitTextEmphasisColor, CSSValueBlue);
document().body()->setInlineStyleProperty(CSSPropertyWebkitPrintColorAdjust, CSSValueEconomy);
document().settings()->setShouldPrintBackgrounds(false);
document().view()->updateLayoutAndStyleIfNeededRecursive();
TextPainter::Style textStyle = TextPainter::textPaintingStyle(
*renderText(), renderText()->style(), false /* forceBlackText */, true /* isPrinting */);
EXPECT_EQ(Color(255, 0, 0), textStyle.fillColor);
EXPECT_EQ(Color(0, 255, 0), textStyle.strokeColor);
EXPECT_EQ(Color(0, 0, 255), textStyle.emphasisMarkColor);
}
TEST_F(TextPainterTest, TextPaintingStyle_ForceBackgroundToWhite_Darkened)
{
document().body()->setInlineStyleProperty(CSSPropertyWebkitTextFillColor, "rgb(255, 220, 220)");
document().body()->setInlineStyleProperty(CSSPropertyWebkitTextStrokeColor, "rgb(220, 255, 220)");
document().body()->setInlineStyleProperty(CSSPropertyWebkitTextEmphasisColor, "rgb(220, 220, 255)");
document().body()->setInlineStyleProperty(CSSPropertyWebkitPrintColorAdjust, CSSValueEconomy);
document().settings()->setShouldPrintBackgrounds(false);
document().view()->updateLayoutAndStyleIfNeededRecursive();
TextPainter::Style textStyle = TextPainter::textPaintingStyle(
*renderText(), renderText()->style(), false /* forceBlackText */, true /* isPrinting */);
EXPECT_EQ(Color(255, 220, 220).dark(), textStyle.fillColor);
EXPECT_EQ(Color(220, 255, 220).dark(), textStyle.strokeColor);
EXPECT_EQ(Color(220, 220, 255).dark(), textStyle.emphasisMarkColor);
}
} // namespace
} // namespace blink
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