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->drawRectCoords(draw_rect.x(),
  53                            draw_rect.y(),
  54                            draw_rect.right(),
  55                            draw_rect.bottom(),
  56                            paint);
  57   }
  58
  59   for (BitmapVector::const_iterator it = draw_bitmaps_.begin();
  60       it != draw_bitmaps_.end(); ++it) {
  61     canvas->drawBitmap(it->bitmap, it->point.x(), it->point.y(), &it->paint);
  62   }
  63
  64   if (fill_with_nonsolid_color_) {
  65     gfx::RectF draw_rect = paint_rect;
  66     bool red = true;
  67     while (!draw_rect.IsEmpty()) {
  68       SkPaint paint;
  69       paint.setColor(red ? SK_ColorRED : SK_ColorBLUE);
  70       canvas->drawRect(gfx::RectFToSkRect(draw_rect), paint);
  71       draw_rect.Inset(1, 1);
  72     }
  73   }
  74 }
  75
  76 scoped_refptr<DisplayItemList>
  77 FakeContentLayerClient::PaintContentsToDisplayList(
  78     const gfx::Rect& clip,
  79     PaintingControlSetting painting_control) {
  80   // Cached picture is used because unit tests expect to be able to
  81   // use GatherPixelRefs.
  82   const bool use_cached_picture = true;
  83   scoped_refptr<DisplayItemList> display_list =
  84       DisplayItemList::Create(clip, use_cached_picture);
  85   SkPictureRecorder recorder;
  86   skia::RefPtr<SkCanvas> canvas;
  87   skia::RefPtr<SkPicture> picture;
  88   auto* item = display_list->CreateAndAppendItem<ClipDisplayItem>();
  89   item->SetNew(clip, std::vector<SkRRect>());
  90
  91   for (RectPaintVector::const_iterator it = draw_rects_.begin();
  92        it != draw_rects_.end(); ++it) {
  93     const gfx::RectF& draw_rect = it->first;
  94     const SkPaint& paint = it->second;
  95     canvas =
  96         skia::SharePtr(recorder.beginRecording(gfx::RectFToSkRect(draw_rect)));
  97     canvas->drawRectCoords(draw_rect.x(), draw_rect.y(), draw_rect.width(),
  98                            draw_rect.height(), paint);
  99     picture = skia::AdoptRef(recorder.endRecordingAsPicture());
 100     auto* item = display_list->CreateAndAppendItem<DrawingDisplayItem>();
 101     item->SetNew(picture.Pass());
 102   }
 103
 104   for (BitmapVector::const_iterator it = draw_bitmaps_.begin();
 105        it != draw_bitmaps_.end(); ++it) {
 106     if (!it->transform.IsIdentity()) {
 107       auto* item = display_list->CreateAndAppendItem<TransformDisplayItem>();
 108       item->SetNew(it->transform);
 109     }
 110     canvas = skia::SharePtr(
 111         recorder.beginRecording(it->bitmap.width(), it->bitmap.height()));
 112     canvas->drawBitmap(it->bitmap, it->point.x(), it->point.y(), &it->paint);
 113     picture = skia::AdoptRef(recorder.endRecordingAsPicture());
 114     auto* item = display_list->CreateAndAppendItem<DrawingDisplayItem>();
 115     item->SetNew(picture.Pass());
 116     if (!it->transform.IsIdentity()) {
 117       display_list->CreateAndAppendItem<EndTransformDisplayItem>();
 118     }
 119   }
 120
 121   if (fill_with_nonsolid_color_) {
 122     gfx::RectF draw_rect = clip;
 123     bool red = true;
 124     while (!draw_rect.IsEmpty()) {
 125       SkPaint paint;
 126       paint.setColor(red ? SK_ColorRED : SK_ColorBLUE);
 127       canvas = skia::SharePtr(
 128           recorder.beginRecording(gfx::RectFToSkRect(draw_rect)));
 129       canvas->drawRect(gfx::RectFToSkRect(draw_rect), paint);
 130       picture = skia::AdoptRef(recorder.endRecordingAsPicture());
 131       auto* item = display_list->CreateAndAppendItem<DrawingDisplayItem>();
 132       item->SetNew(picture.Pass());
 133       draw_rect.Inset(1, 1);
 134     }
 135   }
 136
 137   display_list->CreateAndAppendItem<EndClipDisplayItem>();
 138
 139   display_list->Finalize();
 140   return display_list;
 141 }
 142
 143 bool FakeContentLayerClient::FillsBoundsCompletely() const { return false; }
 144
 145 size_t FakeContentLayerClient::GetApproximateUnsharedMemoryUsage() const {
 146   return reported_memory_usage_;
 147 }
 148
 149 }  // namespace cc