cc/test/solid_color_content_layer_client.cc

// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "cc/test/solid_color_content_layer_client.h"

#include "cc/playback/display_item_list_settings.h"
#include "cc/playback/drawing_display_item.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkPaint.h"
#include "third_party/skia/include/core/SkPictureRecorder.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/skia_util.h"

namespace cc {

// TODO(pdr): Remove PaintContents as all calls should go through
// PaintContentsToDisplayList.
void SolidColorContentLayerClient::PaintContents(
    SkCanvas* canvas,
    const gfx::Rect& rect,
    PaintingControlSetting painting_control) {
  scoped_refptr<DisplayItemList> contents =
      PaintContentsToDisplayList(rect, painting_control);
  contents->Raster(canvas, nullptr, rect, 1.0f);
}

scoped_refptr<DisplayItemList>
SolidColorContentLayerClient::PaintContentsToDisplayList(
    const gfx::Rect& clip,
    PaintingControlSetting painting_control) {
  SkPictureRecorder recorder;
  skia::RefPtr<SkCanvas> canvas =
      skia::SharePtr(recorder.beginRecording(gfx::RectToSkRect(clip)));

  SkPaint paint;
  paint.setStyle(SkPaint::kFill_Style);
  paint.setColor(color_);

  canvas->clear(SK_ColorTRANSPARENT);
  canvas->drawRect(
      SkRect::MakeXYWH(clip.x(), clip.y(), clip.width(), clip.height()), paint);

  DisplayItemListSettings settings;
  settings.use_cached_picture = false;
  scoped_refptr<DisplayItemList> display_list =
      DisplayItemList::Create(clip, settings);
  auto* item = display_list->CreateAndAppendItem<DrawingDisplayItem>();

  skia::RefPtr<SkPicture> picture =
      skia::AdoptRef(recorder.endRecordingAsPicture());
  item->SetNew(picture.Pass());

  display_list->Finalize();
  return display_list;
}

bool SolidColorContentLayerClient::FillsBoundsCompletely() const {
  return false;
}

size_t SolidColorContentLayerClient::GetApproximateUnsharedMemoryUsage() const {
  return 0;
}

}  // namespace cc