sky/engine/core/painting/PictureRecorder.cpp

// Copyright 2015 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 "sky/engine/core/painting/Canvas.h"
#include "sky/engine/core/painting/Drawable.h"
#include "sky/engine/core/painting/Picture.h"
#include "sky/engine/core/painting/PictureRecorder.h"

namespace blink {

PictureRecorder::PictureRecorder()
{
}

PictureRecorder::~PictureRecorder()
{
}

bool PictureRecorder::isRecording() {
    return m_canvas && m_canvas->isRecording();
}

SkCanvas* PictureRecorder::beginRecording(Rect bounds)
{
    return m_pictureRecorder.beginRecording(bounds.sk_rect,
        &m_rtreeFactory, SkPictureRecorder::kComputeSaveLayerInfo_RecordFlag);
}

PassRefPtr<Picture> PictureRecorder::endRecording()
{
    if (!isRecording())
        return nullptr;
    RefPtr<Picture> picture = Picture::create(
        adoptRef(m_pictureRecorder.endRecording()));
    m_canvas->clearSkCanvas();
    m_canvas = nullptr;
    return picture.release();
}

PassRefPtr<Drawable> PictureRecorder::endRecordingAsDrawable()
{
    if (!isRecording())
        return nullptr;
    RefPtr<Drawable> drawable = Drawable::create(
        adoptRef(m_pictureRecorder.endRecordingAsDrawable()));
    m_canvas->clearSkCanvas();
    m_canvas = nullptr;
    return drawable.release();
}

void PictureRecorder::set_canvas(PassRefPtr<Canvas> canvas)
{
    m_canvas = canvas;
}

} // namespace blink