| // Copyright 2012 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 "cc/layers/content_layer.h" |
| |
| #include "cc/layers/content_layer_client.h" |
| #include "cc/resources/bitmap_content_layer_updater.h" |
| #include "cc/test/fake_rendering_stats_instrumentation.h" |
| #include "cc/test/geometry_test_utils.h" |
| #include "skia/ext/platform_canvas.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "ui/gfx/rect_conversions.h" |
| |
| namespace cc { |
| namespace { |
| |
| class MockContentLayerClient : public ContentLayerClient { |
| public: |
| explicit MockContentLayerClient(const gfx::Rect& opaque_layer_rect) |
| : opaque_layer_rect_(opaque_layer_rect) {} |
| |
| virtual void PaintContents( |
| SkCanvas* canvas, |
| const gfx::Rect& clip, |
| gfx::RectF* opaque, |
| ContentLayerClient::GraphicsContextStatus gc_status) OVERRIDE { |
| *opaque = gfx::RectF(opaque_layer_rect_); |
| } |
| virtual void DidChangeLayerCanUseLCDText() OVERRIDE {} |
| virtual bool FillsBoundsCompletely() const OVERRIDE { return false; } |
| |
| private: |
| gfx::Rect opaque_layer_rect_; |
| }; |
| |
| TEST(ContentLayerTest, ContentLayerPainterWithDeviceScale) { |
| float contents_scale = 2.f; |
| gfx::Rect content_rect(10, 10, 100, 100); |
| gfx::Rect opaque_rect_in_layer_space(5, 5, 20, 20); |
| gfx::Rect opaque_rect_in_content_space = gfx::ScaleToEnclosingRect( |
| opaque_rect_in_layer_space, contents_scale, contents_scale); |
| MockContentLayerClient client(opaque_rect_in_layer_space); |
| FakeRenderingStatsInstrumentation stats_instrumentation; |
| scoped_refptr<BitmapContentLayerUpdater> updater = |
| BitmapContentLayerUpdater::Create( |
| ContentLayerPainter::Create(&client).PassAs<LayerPainter>(), |
| &stats_instrumentation, |
| 0); |
| |
| gfx::Rect resulting_opaque_rect; |
| updater->PrepareToUpdate(content_rect, |
| gfx::Size(256, 256), |
| contents_scale, |
| contents_scale, |
| &resulting_opaque_rect); |
| |
| EXPECT_EQ(opaque_rect_in_content_space.ToString(), |
| resulting_opaque_rect.ToString()); |
| } |
| |
| } // namespace |
| } // namespace cc |