| // Copyright 2019 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/wm/core/cursor_util.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/abseil-cpp/absl/types/optional.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| #include "ui/base/cursor/cursor.h" |
| #include "ui/base/cursor/cursor_size.h" |
| #include "ui/base/cursor/mojom/cursor_type.mojom-shared.h" |
| #include "ui/display/display.h" |
| #include "ui/gfx/geometry/point.h" |
| |
| namespace wm { |
| namespace { |
| |
| using ::ui::mojom::CursorType; |
| |
| // Parameterized test for cursor bitmaps with premultiplied and unpremultiplied |
| // alpha. |
| class CursorUtilTest : public testing::TestWithParam<bool> { |
| public: |
| SkColor GetPixelColor() { |
| return GetParam() ? SkColorSetARGB(128, 255, 0, 0) |
| : SkColorSetARGB(128, 128, 0, 0); |
| } |
| SkImageInfo GetImageInfo() { |
| return GetParam() ? SkImageInfo::MakeN32(10, 5, kUnpremul_SkAlphaType) |
| : SkImageInfo::MakeN32(10, 5, kPremul_SkAlphaType); |
| } |
| }; |
| |
| TEST_P(CursorUtilTest, ScaleAndRotate) { |
| const SkColor pixel_color = GetPixelColor(); |
| |
| SkBitmap bitmap; |
| bitmap.setInfo(GetImageInfo()); |
| bitmap.allocPixels(); |
| bitmap.eraseColor(pixel_color); |
| |
| gfx::Point hotpoint(3, 4); |
| |
| ScaleAndRotateCursorBitmapAndHotpoint(1.0f, display::Display::ROTATE_0, |
| &bitmap, &hotpoint); |
| EXPECT_EQ(10, bitmap.width()); |
| EXPECT_EQ(5, bitmap.height()); |
| EXPECT_EQ("3,4", hotpoint.ToString()); |
| EXPECT_EQ(pixel_color, bitmap.pixmap().getColor(0, 0)); |
| |
| ScaleAndRotateCursorBitmapAndHotpoint(1.0f, display::Display::ROTATE_90, |
| &bitmap, &hotpoint); |
| EXPECT_EQ(5, bitmap.width()); |
| EXPECT_EQ(10, bitmap.height()); |
| EXPECT_EQ("1,3", hotpoint.ToString()); |
| EXPECT_EQ(pixel_color, bitmap.pixmap().getColor(0, 0)); |
| |
| ScaleAndRotateCursorBitmapAndHotpoint(2.0f, display::Display::ROTATE_180, |
| &bitmap, &hotpoint); |
| EXPECT_EQ(10, bitmap.width()); |
| EXPECT_EQ(20, bitmap.height()); |
| EXPECT_EQ("8,14", hotpoint.ToString()); |
| EXPECT_EQ(pixel_color, bitmap.pixmap().getColor(0, 0)); |
| |
| ScaleAndRotateCursorBitmapAndHotpoint(1.0f, display::Display::ROTATE_270, |
| &bitmap, &hotpoint); |
| EXPECT_EQ(20, bitmap.width()); |
| EXPECT_EQ(10, bitmap.height()); |
| EXPECT_EQ("14,2", hotpoint.ToString()); |
| EXPECT_EQ(pixel_color, bitmap.pixmap().getColor(0, 0)); |
| } |
| |
| INSTANTIATE_TEST_SUITE_P(All, CursorUtilTest, testing::Bool()); |
| |
| TEST(CursorUtil, GetCursorData) { |
| const auto kDefaultSize = ui::CursorSize::kNormal; |
| const float kDefaultScale = 1.0f; |
| const auto kDefaultRotation = display::Display::ROTATE_0; |
| |
| const auto pointer_cursor_data = GetCursorData( |
| CursorType::kPointer, kDefaultSize, kDefaultScale, kDefaultRotation); |
| ASSERT_TRUE(pointer_cursor_data); |
| EXPECT_EQ(pointer_cursor_data->bitmaps.size(), 1u); |
| EXPECT_FALSE(pointer_cursor_data->hotspot.IsOrigin()); |
| |
| const auto wait_cursor_data = GetCursorData(CursorType::kWait, kDefaultSize, |
| kDefaultScale, kDefaultRotation); |
| ASSERT_TRUE(wait_cursor_data); |
| EXPECT_GT(wait_cursor_data->bitmaps.size(), 1u); |
| EXPECT_FALSE(wait_cursor_data->hotspot.IsOrigin()); |
| } |
| |
| } // namespace |
| } // namespace wm |