| // 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. |
| |
| #ifndef CC_LAYERS_HEADS_UP_DISPLAY_LAYER_IMPL_H_ |
| #define CC_LAYERS_HEADS_UP_DISPLAY_LAYER_IMPL_H_ |
| |
| #include <string> |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "base/time.h" |
| #include "cc/base/cc_export.h" |
| #include "cc/layers/layer_impl.h" |
| #include "cc/resources/memory_history.h" |
| #include "cc/resources/scoped_resource.h" |
| |
| class SkCanvas; |
| class SkPaint; |
| class SkTypeface; |
| struct SkRect; |
| |
| namespace cc { |
| |
| class DebugRectHistory; |
| class FrameRateCounter; |
| class PaintTimeCounter; |
| |
| class CC_EXPORT HeadsUpDisplayLayerImpl : public LayerImpl { |
| public: |
| static scoped_ptr<HeadsUpDisplayLayerImpl> Create(LayerTreeImpl* tree_impl, |
| int id) { |
| return make_scoped_ptr(new HeadsUpDisplayLayerImpl(tree_impl, id)); |
| } |
| virtual ~HeadsUpDisplayLayerImpl(); |
| |
| virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) |
| OVERRIDE; |
| |
| virtual void WillDraw(ResourceProvider* resource_provider) OVERRIDE; |
| virtual void AppendQuads(QuadSink* quad_sink, |
| AppendQuadsData* append_quads_data) OVERRIDE; |
| void UpdateHudTexture(ResourceProvider* resource_provider); |
| |
| virtual void DidLoseOutputSurface() OVERRIDE; |
| |
| virtual bool LayerIsAlwaysDamaged() const OVERRIDE; |
| |
| private: |
| class Graph { |
| public: |
| Graph(double indicator_value, double start_upper_bound); |
| |
| // Eases the upper bound, which limits what is currently visible in the |
| // graph, so that the graph always scales to either it's max or |
| // default_upper_bound. |
| double UpdateUpperBound(); |
| |
| double value; |
| double min; |
| double max; |
| |
| double current_upper_bound; |
| const double default_upper_bound; |
| const double indicator; |
| }; |
| |
| HeadsUpDisplayLayerImpl(LayerTreeImpl* tree_impl, int id); |
| |
| virtual const char* LayerTypeAsString() const OVERRIDE; |
| |
| void UpdateHudContents(); |
| void DrawHudContents(SkCanvas* canvas) const; |
| |
| void DrawText(SkCanvas* canvas, |
| SkPaint* paint, |
| const std::string& text, |
| SkPaint::Align align, |
| int size, |
| int x, |
| int y) const; |
| void DrawText(SkCanvas* canvas, |
| SkPaint* paint, |
| const std::string& text, |
| SkPaint::Align align, |
| int size, |
| const SkPoint& pos) const; |
| void DrawGraphBackground(SkCanvas* canvas, |
| SkPaint* paint, |
| const SkRect& bounds) const; |
| void DrawGraphLines(SkCanvas* canvas, |
| SkPaint* paint, |
| const SkRect& bounds, |
| const Graph& graph) const; |
| |
| void DrawPlatformLayerTree(SkCanvas* canvas) const; |
| SkRect DrawFPSDisplay(SkCanvas* canvas, |
| const FrameRateCounter* fps_counter, |
| int right, |
| int top) const; |
| SkRect DrawMemoryDisplay(SkCanvas* canvas, |
| int top, |
| int right, |
| int width) const; |
| SkRect DrawPaintTimeDisplay(SkCanvas* canvas, |
| const PaintTimeCounter* paint_time_counter, |
| int top, |
| int right) const; |
| void DrawDebugRects(SkCanvas* canvas, |
| DebugRectHistory* debug_rect_history) const; |
| |
| scoped_ptr<ScopedResource> hud_resource_; |
| scoped_ptr<SkCanvas> hud_canvas_; |
| |
| skia::RefPtr<SkTypeface> typeface_; |
| |
| Graph fps_graph_; |
| Graph paint_time_graph_; |
| MemoryHistory::Entry memory_entry_; |
| |
| base::TimeTicks time_of_last_graph_update_; |
| |
| DISALLOW_COPY_AND_ASSIGN(HeadsUpDisplayLayerImpl); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_LAYERS_HEADS_UP_DISPLAY_LAYER_IMPL_H_ |