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// Copyright 2014 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/resources/drawing_display_item.h"
#include <string>
#include "base/strings/stringprintf.h"
#include "base/trace_event/trace_event_argument.h"
#include "cc/debug/picture_debug_util.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkDrawPictureCallback.h"
#include "third_party/skia/include/core/SkMatrix.h"
#include "third_party/skia/include/core/SkPicture.h"
#include "third_party/skia/include/utils/SkPictureUtils.h"
namespace cc {
DrawingDisplayItem::DrawingDisplayItem(skia::RefPtr<SkPicture> picture)
: picture_(picture) {
}
DrawingDisplayItem::~DrawingDisplayItem() {
}
void DrawingDisplayItem::Raster(SkCanvas* canvas,
SkDrawPictureCallback* callback) const {
canvas->save();
if (callback)
picture_->playback(canvas, callback);
else
canvas->drawPicture(picture_.get());
canvas->restore();
}
bool DrawingDisplayItem::IsSuitableForGpuRasterization() const {
return picture_->suitableForGpuRasterization(NULL);
}
int DrawingDisplayItem::ApproximateOpCount() const {
return picture_->approximateOpCount();
}
size_t DrawingDisplayItem::PictureMemoryUsage() const {
DCHECK(picture_);
return SkPictureUtils::ApproximateBytesUsed(picture_.get());
}
void DrawingDisplayItem::AsValueInto(
base::trace_event::TracedValue* array) const {
array->BeginDictionary();
array->SetString("name", "DrawingDisplayItem");
array->SetString(
"cullRect",
base::StringPrintf("[%f,%f,%f,%f]", picture_->cullRect().x(),
picture_->cullRect().y(), picture_->cullRect().width(),
picture_->cullRect().height()));
std::string b64_picture;
PictureDebugUtil::SerializeAsBase64(picture_.get(), &b64_picture);
array->SetString("skp64", b64_picture);
array->EndDictionary();
}
} // namespace cc
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