Remove RecordingImageBufferSurface

sky/engine/platform/graphics/RecordingImageBufferSurface.cpp

Index: sky/engine/platform/graphics/RecordingImageBufferSurface.cpp
diff --git a/sky/engine/platform/graphics/RecordingImageBufferSurface.cpp b/sky/engine/platform/graphics/RecordingImageBufferSurface.cpp
deleted file mode 100644
index 0c733329b4e330f399c3375d4457fe3edb74c765..0000000000000000000000000000000000000000
--- a/sky/engine/platform/graphics/RecordingImageBufferSurface.cpp
+++ /dev/null
@@ -1,161 +0,0 @@
-// 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 "config.h"
-
-#include "platform/graphics/RecordingImageBufferSurface.h"
-
-#include "platform/graphics/GraphicsContext.h"
-#include "platform/graphics/ImageBuffer.h"
-#include "public/platform/Platform.h"
-#include "third_party/skia/include/core/SkCanvas.h"
-#include "third_party/skia/include/core/SkPictureRecorder.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/PassRefPtr.h"
-
-namespace blink {
-
-RecordingImageBufferSurface::RecordingImageBufferSurface(const IntSize& size, OpacityMode opacityMode)
-    : ImageBufferSurface(size, opacityMode)
-    , m_imageBuffer(0)
-    , m_initialSaveCount(0)
-    , m_frameWasCleared(true)
-{
-    initializeCurrentFrame();
-}
-
-RecordingImageBufferSurface::~RecordingImageBufferSurface()
-{ }
-
-void RecordingImageBufferSurface::initializeCurrentFrame()
-{
-    static SkRTreeFactory rTreeFactory;
-    m_currentFrame = adoptPtr(new SkPictureRecorder);
-    m_currentFrame->beginRecording(size().width(), size().height(), &rTreeFactory);
-    m_initialSaveCount = m_currentFrame->getRecordingCanvas()->getSaveCount();
-    if (m_imageBuffer) {
-        m_imageBuffer->context()->resetCanvas(m_currentFrame->getRecordingCanvas());
-        m_imageBuffer->context()->setRegionTrackingMode(GraphicsContext::RegionTrackingOverwrite);
-    }
-}
-
-void RecordingImageBufferSurface::setImageBuffer(ImageBuffer* imageBuffer)
-{
-    m_imageBuffer = imageBuffer;
-    if (m_currentFrame && m_imageBuffer) {
-        m_imageBuffer->context()->setRegionTrackingMode(GraphicsContext::RegionTrackingOverwrite);
-        m_imageBuffer->context()->resetCanvas(m_currentFrame->getRecordingCanvas());
-    }
-}
-
-void RecordingImageBufferSurface::willAccessPixels()
-{
-    fallBackToRasterCanvas();
-}
-
-void RecordingImageBufferSurface::fallBackToRasterCanvas()
-{
-    if (m_rasterCanvas) {
-        ASSERT(!m_currentFrame);
-        return;
-    }
-
-    m_rasterCanvas = adoptPtr(SkCanvas::NewRasterN32(size().width(), size().height()));
-
-    if (m_previousFrame) {
-        m_previousFrame->draw(m_rasterCanvas.get());
-        m_previousFrame.clear();
-    }
-    if (m_currentFrame) {
-        RefPtr<SkPicture> currentPicture = adoptRef(m_currentFrame->endRecording());
-        currentPicture->draw(m_rasterCanvas.get());
-        m_currentFrame.clear();
-    }
-
-    if (m_imageBuffer) {
-        m_imageBuffer->context()->setRegionTrackingMode(GraphicsContext::RegionTrackingDisabled);
-        m_imageBuffer->context()->resetCanvas(m_rasterCanvas.get());
-    }
-}
-
-SkCanvas* RecordingImageBufferSurface::canvas() const
-{
-    if (m_rasterCanvas)
-        return m_rasterCanvas.get();
-
-    ASSERT(m_currentFrame->getRecordingCanvas());
-    return m_currentFrame->getRecordingCanvas();
-}
-
-PassRefPtr<SkPicture> RecordingImageBufferSurface::getPicture()
-{
-    bool canUsePicture = finalizeFrameInternal();
-    m_imageBuffer->didFinalizeFrame();
-
-    if (canUsePicture) {
-        return m_previousFrame;
-    }
-
-    if (!m_rasterCanvas)
-        fallBackToRasterCanvas();
-    return nullptr;
-}
-
-void RecordingImageBufferSurface::finalizeFrame(const FloatRect &)
-{
-    if (!finalizeFrameInternal() && !m_rasterCanvas) {
-        fallBackToRasterCanvas();
-    }
-}
-
-void RecordingImageBufferSurface::didClearCanvas()
-{
-    m_frameWasCleared = true;
-}
-
-bool RecordingImageBufferSurface::finalizeFrameInternal()
-{
-    if (!m_imageBuffer->isDirty()) {
-        if (m_currentFrame && !m_previousFrame) {
-            // Create an initial blank frame
-            m_previousFrame = adoptRef(m_currentFrame->endRecording());
-            initializeCurrentFrame();
-        }
-        return m_currentFrame;
-    }
-
-    if (!m_currentFrame) {
-        return false;
-    }
-
-    IntRect canvasRect(IntPoint(0, 0), size());
-    if (!m_frameWasCleared && !m_imageBuffer->context()->opaqueRegion().asRect().contains(canvasRect)) {
-        return false;
-    }
-
-    SkCanvas* oldCanvas = m_currentFrame->getRecordingCanvas(); // Could be raster or picture
-
-    // FIXME(crbug.com/392614): handle transferring complex state from the current picture to the new one.
-    if (oldCanvas->getSaveCount() > m_initialSaveCount)
-        return false;
-
-    if (!oldCanvas->isClipRect())
-        return false;
-
-    SkMatrix ctm = oldCanvas->getTotalMatrix();
-    SkRect clip;
-    oldCanvas->getClipBounds(&clip);
-
-    m_previousFrame = adoptRef(m_currentFrame->endRecording());
-    initializeCurrentFrame();
-
-    SkCanvas* newCanvas = m_currentFrame->getRecordingCanvas();
-    newCanvas->concat(ctm);
-    newCanvas->clipRect(clip);
-
-    m_frameWasCleared = false;
-    return true;
-}
-
-} // namespace blink