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| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "cc/layers/heads_up_display_layer_impl.h" | 5 #include "cc/layers/heads_up_display_layer_impl.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 #include <vector> | 8 #include <vector> |
| 9 | 9 |
| 10 #include "base/strings/stringprintf.h" | 10 #include "base/strings/stringprintf.h" |
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| 63 | 63 |
| 64 double HeadsUpDisplayLayerImpl::Graph::UpdateUpperBound() { | 64 double HeadsUpDisplayLayerImpl::Graph::UpdateUpperBound() { |
| 65 double target_upper_bound = std::max(max, default_upper_bound); | 65 double target_upper_bound = std::max(max, default_upper_bound); |
| 66 current_upper_bound += (target_upper_bound - current_upper_bound) * 0.5; | 66 current_upper_bound += (target_upper_bound - current_upper_bound) * 0.5; |
| 67 return current_upper_bound; | 67 return current_upper_bound; |
| 68 } | 68 } |
| 69 | 69 |
| 70 HeadsUpDisplayLayerImpl::HeadsUpDisplayLayerImpl(LayerTreeImpl* tree_impl, | 70 HeadsUpDisplayLayerImpl::HeadsUpDisplayLayerImpl(LayerTreeImpl* tree_impl, |
| 71 int id) | 71 int id) |
| 72 : LayerImpl(tree_impl, id), | 72 : LayerImpl(tree_impl, id), |
| 73 typeface_(skia::AdoptRef( |
| 74 SkTypeface::CreateFromName("monospace", SkTypeface::kBold))), |
| 73 internal_contents_scale_(1.f), | 75 internal_contents_scale_(1.f), |
| 74 fps_graph_(60.0, 80.0), | 76 fps_graph_(60.0, 80.0), |
| 75 paint_time_graph_(16.0, 48.0), | 77 paint_time_graph_(16.0, 48.0), |
| 76 fade_step_(0) { | 78 fade_step_(0) { |
| 77 } | 79 } |
| 78 | 80 |
| 79 HeadsUpDisplayLayerImpl::~HeadsUpDisplayLayerImpl() {} | 81 HeadsUpDisplayLayerImpl::~HeadsUpDisplayLayerImpl() {} |
| 80 | 82 |
| 81 scoped_ptr<LayerImpl> HeadsUpDisplayLayerImpl::CreateLayerImpl( | 83 scoped_ptr<LayerImpl> HeadsUpDisplayLayerImpl::CreateLayerImpl( |
| 82 LayerTreeImpl* tree_impl) { | 84 LayerTreeImpl* tree_impl) { |
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| 296 const std::string& text, | 298 const std::string& text, |
| 297 SkPaint::Align align, | 299 SkPaint::Align align, |
| 298 int size, | 300 int size, |
| 299 int x, | 301 int x, |
| 300 int y) const { | 302 int y) const { |
| 301 const bool anti_alias = paint->isAntiAlias(); | 303 const bool anti_alias = paint->isAntiAlias(); |
| 302 paint->setAntiAlias(true); | 304 paint->setAntiAlias(true); |
| 303 | 305 |
| 304 paint->setTextSize(size); | 306 paint->setTextSize(size); |
| 305 paint->setTextAlign(align); | 307 paint->setTextAlign(align); |
| 306 paint->setTypeface(layer_tree_impl()->settings().hud_typeface.get()); | 308 paint->setTypeface(typeface_.get()); |
| 307 canvas->drawText(text.c_str(), text.length(), x, y, *paint); | 309 canvas->drawText(text.c_str(), text.length(), x, y, *paint); |
| 308 | 310 |
| 309 paint->setAntiAlias(anti_alias); | 311 paint->setAntiAlias(anti_alias); |
| 310 } | 312 } |
| 311 | 313 |
| 312 void HeadsUpDisplayLayerImpl::DrawText(SkCanvas* canvas, | 314 void HeadsUpDisplayLayerImpl::DrawText(SkCanvas* canvas, |
| 313 SkPaint* paint, | 315 SkPaint* paint, |
| 314 const std::string& text, | 316 const std::string& text, |
| 315 SkPaint::Align align, | 317 SkPaint::Align align, |
| 316 int size, | 318 int size, |
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| 703 gfx::Rect clip_rect = debug_layer_rect; | 705 gfx::Rect clip_rect = debug_layer_rect; |
| 704 clip_rect.Intersect(gfx::Rect(internal_content_bounds_)); | 706 clip_rect.Intersect(gfx::Rect(internal_content_bounds_)); |
| 705 SkRect sk_clip_rect = RectToSkRect(clip_rect); | 707 SkRect sk_clip_rect = RectToSkRect(clip_rect); |
| 706 | 708 |
| 707 canvas->save(); | 709 canvas->save(); |
| 708 canvas->clipRect(sk_clip_rect); | 710 canvas->clipRect(sk_clip_rect); |
| 709 canvas->translate(sk_clip_rect.x(), sk_clip_rect.y()); | 711 canvas->translate(sk_clip_rect.x(), sk_clip_rect.y()); |
| 710 | 712 |
| 711 SkPaint label_paint = CreatePaint(); | 713 SkPaint label_paint = CreatePaint(); |
| 712 label_paint.setTextSize(kFontHeight); | 714 label_paint.setTextSize(kFontHeight); |
| 713 label_paint.setTypeface(layer_tree_impl()->settings().hud_typeface.get()); | 715 label_paint.setTypeface(typeface_.get()); |
| 714 label_paint.setColor(stroke_color); | 716 label_paint.setColor(stroke_color); |
| 715 | 717 |
| 716 const SkScalar label_text_width = | 718 const SkScalar label_text_width = |
| 717 label_paint.measureText(label_text.c_str(), label_text.length()); | 719 label_paint.measureText(label_text.c_str(), label_text.length()); |
| 718 canvas->drawRect(SkRect::MakeWH(label_text_width + 2 * kPadding, | 720 canvas->drawRect(SkRect::MakeWH(label_text_width + 2 * kPadding, |
| 719 kFontHeight + 2 * kPadding), | 721 kFontHeight + 2 * kPadding), |
| 720 label_paint); | 722 label_paint); |
| 721 | 723 |
| 722 label_paint.setAntiAlias(true); | 724 label_paint.setAntiAlias(true); |
| 723 label_paint.setColor(SkColorSetARGB(255, 50, 50, 50)); | 725 label_paint.setColor(SkColorSetARGB(255, 50, 50, 50)); |
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| 832 return "cc::HeadsUpDisplayLayerImpl"; | 834 return "cc::HeadsUpDisplayLayerImpl"; |
| 833 } | 835 } |
| 834 | 836 |
| 835 void HeadsUpDisplayLayerImpl::AsValueInto( | 837 void HeadsUpDisplayLayerImpl::AsValueInto( |
| 836 base::trace_event::TracedValue* dict) const { | 838 base::trace_event::TracedValue* dict) const { |
| 837 LayerImpl::AsValueInto(dict); | 839 LayerImpl::AsValueInto(dict); |
| 838 dict->SetString("layer_name", "Heads Up Display Layer"); | 840 dict->SetString("layer_name", "Heads Up Display Layer"); |
| 839 } | 841 } |
| 840 | 842 |
| 841 } // namespace cc | 843 } // namespace cc |
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