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