cc/test/fake_content_layer_client.cc

   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
   3 // found in the LICENSE file.
   4
   5 #include "cc/test/fake_content_layer_client.h"
   6
   7 #include "cc/playback/clip_display_item.h"
   8 #include "cc/playback/display_item_list_settings.h"
   9 #include "cc/playback/drawing_display_item.h"
  10 #include "cc/playback/transform_display_item.h"
  11 #include "third_party/skia/include/core/SkCanvas.h"
  12 #include "third_party/skia/include/core/SkPictureRecorder.h"
  13 #include "ui/gfx/skia_util.h"
  14
  15 namespace cc {
  16
  17 FakeContentLayerClient::ImageData::ImageData(const SkImage* img,
  18                                              const gfx::Point& point,
  19                                              const SkPaint& paint)
  20     : image(skia::SharePtr(img)), point(point), paint(paint) {}
  21
  22 FakeContentLayerClient::ImageData::ImageData(const SkImage* img,
  23                                              const gfx::Transform& transform,
  24                                              const SkPaint& paint)
  25     : image(skia::SharePtr(img)), transform(transform), paint(paint) {}
  26
  27 FakeContentLayerClient::ImageData::~ImageData() {}
  28
  29 FakeContentLayerClient::FakeContentLayerClient()
  30     : fill_with_nonsolid_color_(false),
  31       last_canvas_(nullptr),
  32       last_painting_control_(PAINTING_BEHAVIOR_NORMAL),
  33       reported_memory_usage_(0) {}
  34
  35 FakeContentLayerClient::~FakeContentLayerClient() {
  36 }
  37
  38 void FakeContentLayerClient::PaintContents(
  39     SkCanvas* canvas,
  40     const gfx::Rect& paint_rect,
  41     PaintingControlSetting painting_control) {
  42   last_canvas_ = canvas;
  43   last_painting_control_ = painting_control;
  44
  45   canvas->clipRect(gfx::RectToSkRect(paint_rect));
  46   for (RectPaintVector::const_iterator it = draw_rects_.begin();
  47       it != draw_rects_.end(); ++it) {
  48     const gfx::RectF& draw_rect = it->first;
  49     const SkPaint& paint = it->second;
  50     canvas->drawRect(gfx::RectFToSkRect(draw_rect), paint);
  51   }
  52
  53   for (ImageVector::const_iterator it = draw_images_.begin();
  54        it != draw_images_.end(); ++it) {
  55     canvas->drawImage(it->image.get(), it->point.x(), it->point.y(),
  56                       &it->paint);
  57   }
  58
  59   if (fill_with_nonsolid_color_) {
  60     gfx::Rect draw_rect = paint_rect;
  61     bool red = true;
  62     while (!draw_rect.IsEmpty()) {
  63       SkPaint paint;
  64       paint.setColor(red ? SK_ColorRED : SK_ColorBLUE);
  65       canvas->drawIRect(gfx::RectToSkIRect(draw_rect), paint);
  66       draw_rect.Inset(1, 1);
  67     }
  68   }
  69 }
  70
  71 scoped_refptr<DisplayItemList>
  72 FakeContentLayerClient::PaintContentsToDisplayList(
  73     const gfx::Rect& clip,
  74     PaintingControlSetting painting_control) {
  75   // Cached picture is used because unit tests expect to be able to
  76   // use GatherPixelRefs.
  77   DisplayItemListSettings settings;
  78   settings.use_cached_picture = true;
  79   scoped_refptr<DisplayItemList> display_list =
  80       DisplayItemList::Create(clip, settings);
  81   SkPictureRecorder recorder;
  82   skia::RefPtr<SkCanvas> canvas;
  83   skia::RefPtr<SkPicture> picture;
  84   auto* item = display_list->CreateAndAppendItem<ClipDisplayItem>();
  85   item->SetNew(clip, std::vector<SkRRect>());
  86
  87   for (RectPaintVector::const_iterator it = draw_rects_.begin();
  88        it != draw_rects_.end(); ++it) {
  89     const gfx::RectF& draw_rect = it->first;
  90     const SkPaint& paint = it->second;
  91     canvas =
  92         skia::SharePtr(recorder.beginRecording(gfx::RectFToSkRect(draw_rect)));
  93     canvas->drawRect(gfx::RectFToSkRect(draw_rect), paint);
  94     picture = skia::AdoptRef(recorder.endRecordingAsPicture());
  95     auto* item = display_list->CreateAndAppendItem<DrawingDisplayItem>();
  96     item->SetNew(picture.Pass());
  97   }
  98
  99   for (ImageVector::const_iterator it = draw_images_.begin();
 100        it != draw_images_.end(); ++it) {
 101     if (!it->transform.IsIdentity()) {
 102       auto* item = display_list->CreateAndAppendItem<TransformDisplayItem>();
 103       item->SetNew(it->transform);
 104     }
 105     canvas = skia::SharePtr(
 106         recorder.beginRecording(it->image->width(), it->image->height()));
 107     canvas->drawImage(it->image.get(), it->point.x(), it->point.y(),
 108                       &it->paint);
 109     picture = skia::AdoptRef(recorder.endRecordingAsPicture());
 110     auto* item = display_list->CreateAndAppendItem<DrawingDisplayItem>();
 111     item->SetNew(picture.Pass());
 112     if (!it->transform.IsIdentity()) {
 113       display_list->CreateAndAppendItem<EndTransformDisplayItem>();
 114     }
 115   }
 116
 117   if (fill_with_nonsolid_color_) {
 118     gfx::Rect draw_rect = clip;
 119     bool red = true;
 120     while (!draw_rect.IsEmpty()) {
 121       SkPaint paint;
 122       paint.setColor(red ? SK_ColorRED : SK_ColorBLUE);
 123       canvas =
 124           skia::SharePtr(recorder.beginRecording(gfx::RectToSkRect(draw_rect)));
 125       canvas->drawIRect(gfx::RectToSkIRect(draw_rect), paint);
 126       picture = skia::AdoptRef(recorder.endRecordingAsPicture());
 127       auto* item = display_list->CreateAndAppendItem<DrawingDisplayItem>();
 128       item->SetNew(picture.Pass());
 129       draw_rect.Inset(1, 1);
 130     }
 131   }
 132
 133   display_list->CreateAndAppendItem<EndClipDisplayItem>();
 134
 135   display_list->Finalize();
 136   return display_list;
 137 }
 138
 139 bool FakeContentLayerClient::FillsBoundsCompletely() const { return false; }
 140
 141 size_t FakeContentLayerClient::GetApproximateUnsharedMemoryUsage() const {
 142   return reported_memory_usage_;
 143 }
 144
 145 }  // namespace cc