| // 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 "testing/gtest/include/gtest/gtest.h" |
| #include "ui/gfx/geometry/point_f.h" |
| #include "ui/gfx/geometry/rect.h" |
| |
| namespace chrome_pdf { |
| |
| namespace { |
| |
| std::unique_ptr<chrome_pdf::PdfInkBrush> CreatePdfInkBrush(float size) { |
| return std::make_unique<chrome_pdf::PdfInkBrush>( |
| chrome_pdf::PdfInkBrush::Type::kPen, |
| chrome_pdf::PdfInkBrush::Params{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))); |
| } |
| |
| } // namespace chrome_pdf |