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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "pdf/pdf_ink_brush.h"
#include <memory>
#include "pdf/pdf_ink_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/gfx/geometry/rect.h"
namespace chrome_pdf {
namespace {
std::unique_ptr<PdfInkBrush> CreatePdfInkBrush(float size) {
return std::make_unique<PdfInkBrush>(PdfInkBrush::Type::kPen, SK_ColorBLACK,
size);
}
} // namespace
TEST(PdfInkBrushTest, InvalidateSinglePoint) {
constexpr gfx::PointF kPoint(40.0f, 16.0f);
auto brush = CreatePdfInkBrush(/*size=*/10.0f);
EXPECT_EQ(gfx::Rect(35, 11, 10, 10),
brush->GetInvalidateArea(kPoint, kPoint));
}
TEST(PdfInkBrushTest, InvalidateSinglePointNearBorder) {
// Using a point closer to the border than the radius of the brush results in
// the invalidation area including a negative origin.
constexpr gfx::PointF kPoint(3.0f, 4.0f);
auto brush = CreatePdfInkBrush(/*size=*/13.0f);
EXPECT_EQ(gfx::Rect(-4, -3, 14, 14),
brush->GetInvalidateArea(kPoint, kPoint));
}
TEST(PdfInkBrushTest, InvalidateDifferentPoints) {
auto brush = CreatePdfInkBrush(/*size=*/10.0f);
EXPECT_EQ(gfx::Rect(10, 11, 35, 26),
brush->GetInvalidateArea(gfx::PointF(40.0f, 16.0f),
gfx::PointF(15.0f, 32.0f)));
}
TEST(PdfInkBrushTest, SetColor) {
auto brush = CreatePdfInkBrush(/*size=*/10.0f);
EXPECT_EQ(SK_ColorBLACK, GetSkColorFromInkBrush(brush->ink_brush()));
brush->SetColor(SK_ColorCYAN);
EXPECT_EQ(SK_ColorCYAN, GetSkColorFromInkBrush(brush->ink_brush()));
}
TEST(PdfInkBrushTest, SetSize) {
auto brush = CreatePdfInkBrush(/*size=*/10.0f);
EXPECT_EQ(10.0f, brush->ink_brush().GetSize());
brush->SetSize(4.0f);
EXPECT_EQ(4.0f, brush->ink_brush().GetSize());
}
} // namespace chrome_pdf
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