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::BitmapData::BitmapData(const SkBitmap& bitmap,
  17                                                const gfx::Point& point,
  18                                                const SkPaint& paint)
  19     : bitmap(bitmap), point(point), paint(paint) {
  20 }
  21
  22 FakeContentLayerClient::BitmapData::BitmapData(const SkBitmap& bitmap,
  23                                                const gfx::Transform& transform,
  24                                                const SkPaint& paint)
  25     : bitmap(bitmap), transform(transform), paint(paint) {
  26 }
  27
  28 FakeContentLayerClient::BitmapData::~BitmapData() {
  29 }
  30
  31 FakeContentLayerClient::FakeContentLayerClient()
  32     : fill_with_nonsolid_color_(false),
  33       last_canvas_(nullptr),
  34       last_painting_control_(PAINTING_BEHAVIOR_NORMAL),
  35       reported_memory_usage_(0) {}
  36
  37 FakeContentLayerClient::~FakeContentLayerClient() {
  38 }
  39
  40 void FakeContentLayerClient::PaintContents(
  41     SkCanvas* canvas,
  42     const gfx::Rect& paint_rect,
  43     PaintingControlSetting painting_control) {
  44   last_canvas_ = canvas;
  45   last_painting_control_ = painting_control;
  46
  47   canvas->clipRect(gfx::RectToSkRect(paint_rect));
  48   for (RectPaintVector::const_iterator it = draw_rects_.begin();
  49       it != draw_rects_.end(); ++it) {
  50     const gfx::RectF& draw_rect = it->first;
  51     const SkPaint& paint = it->second;
  52     canvas->drawRect(gfx::RectFToSkRect(draw_rect), paint);
  53   }
  54
  55   for (BitmapVector::const_iterator it = draw_bitmaps_.begin();
  56       it != draw_bitmaps_.end(); ++it) {
  57     canvas->drawBitmap(it->bitmap, it->point.x(), it->point.y(), &it->paint);
  58   }
  59
  60   if (fill_with_nonsolid_color_) {
  61     gfx::Rect draw_rect = paint_rect;
  62     bool red = true;
  63     while (!draw_rect.IsEmpty()) {
  64       SkPaint paint;
  65       paint.setColor(red ? SK_ColorRED : SK_ColorBLUE);
  66       canvas->drawIRect(gfx::RectToSkIRect(draw_rect), paint);
  67       draw_rect.Inset(1, 1);
  68     }
  69   }
  70 }
  71
  72 scoped_refptr<DisplayItemList>
  73 FakeContentLayerClient::PaintContentsToDisplayList(
  74     const gfx::Rect& clip,
  75     PaintingControlSetting painting_control) {
  76   // Cached picture is used because unit tests expect to be able to
  77   // use GatherPixelRefs.
  78   const bool use_cached_picture = true;
  79   scoped_refptr<DisplayItemList> display_list =
  80       DisplayItemList::Create(clip, use_cached_picture);
  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 (BitmapVector::const_iterator it = draw_bitmaps_.begin();
 100        it != draw_bitmaps_.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->bitmap.width(), it->bitmap.height()));
 107     canvas->drawBitmap(it->bitmap, it->point.x(), it->point.y(), &it->paint);
 108     picture = skia::AdoptRef(recorder.endRecordingAsPicture());
 109     auto* item = display_list->CreateAndAppendItem<DrawingDisplayItem>();
 110     item->SetNew(picture.Pass());
 111     if (!it->transform.IsIdentity()) {
 112       display_list->CreateAndAppendItem<EndTransformDisplayItem>();
 113     }
 114   }
 115
 116   if (fill_with_nonsolid_color_) {
 117     gfx::Rect draw_rect = clip;
 118     bool red = true;
 119     while (!draw_rect.IsEmpty()) {
 120       SkPaint paint;
 121       paint.setColor(red ? SK_ColorRED : SK_ColorBLUE);
 122       canvas =
 123           skia::SharePtr(recorder.beginRecording(gfx::RectToSkRect(draw_rect)));
 124       canvas->drawIRect(gfx::RectToSkIRect(draw_rect), paint);
 125       picture = skia::AdoptRef(recorder.endRecordingAsPicture());
 126       auto* item = display_list->CreateAndAppendItem<DrawingDisplayItem>();
 127       item->SetNew(picture.Pass());
 128       draw_rect.Inset(1, 1);
 129     }
 130   }
 131
 132   display_list->CreateAndAppendItem<EndClipDisplayItem>();
 133
 134   display_list->Finalize();
 135   return display_list;
 136 }
 137
 138 bool FakeContentLayerClient::FillsBoundsCompletely() const { return false; }
 139
 140 size_t FakeContentLayerClient::GetApproximateUnsharedMemoryUsage() const {
 141   return reported_memory_usage_;
 142 }
 143
 144 }  // namespace cc