Copy SkMetaData before painting printed plugin contents.

Source/platform/graphics/GraphicsContext.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 16 matching lines @@
 #include "config.h"
 #include "platform/graphics/GraphicsContext.h"
 
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/TraceEvent.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/graphics/ColorSpace.h"
 #include "platform/graphics/Gradient.h"
 #include "platform/graphics/ImageBuffer.h"
 #include "platform/weborigin/KURL.h"
+#include "skia/ext/platform_device.h"
 #include "third_party/skia/include/core/SkAnnotation.h"
 #include "third_party/skia/include/core/SkColorFilter.h"
 #include "third_party/skia/include/core/SkData.h"
 #include "third_party/skia/include/core/SkPicture.h"
 #include "third_party/skia/include/core/SkPictureRecorder.h"
 #include "third_party/skia/include/core/SkRRect.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 #include "third_party/skia/include/effects/SkLumaColorFilter.h"
 #include "third_party/skia/include/effects/SkPictureImageFilter.h"
 #include "third_party/skia/include/utils/SkNullCanvas.h"
@@ skipping 21 matching lines @@
     explicit RecordingState(SkCanvas* canvas, const SkMatrix& matrix)
         : m_savedCanvas(canvas)
         , m_savedMatrix(matrix)
     { }
 
     SkPictureRecorder m_recorder;
     SkCanvas* m_savedCanvas;
     const SkMatrix m_savedMatrix;
 };
 
-GraphicsContext::GraphicsContext(DisplayItemList* displayItemList, DisabledMode disableContextOrPainting)
-    : GraphicsContext(nullptr, displayItemList, disableContextOrPainting)
+GraphicsContext::GraphicsContext(DisplayItemList* displayItemList, DisabledMode disableContextOrPainting, SkMetaData* metaData)
+    : GraphicsContext(nullptr, displayItemList, disableContextOrPainting, metaData)
 {
     // TODO(chrishtr): switch the type of the parameter to DisplayItemList&.
     ASSERT(displayItemList);
 }
 
-PassOwnPtr<GraphicsContext> GraphicsContext::deprecatedCreateWithCanvas(SkCanvas* canvas, DisabledMode disableContextOrPainting)
+PassOwnPtr<GraphicsContext> GraphicsContext::deprecatedCreateWithCanvas(SkCanvas* canvas, DisabledMode disableContextOrPainting, SkMetaData* metaData)
 {
-    return adoptPtr(new GraphicsContext(canvas, nullptr, disableContextOrPainting));
+    return adoptPtr(new GraphicsContext(canvas, nullptr, disableContextOrPainting, metaData));
 }
 
-GraphicsContext::GraphicsContext(SkCanvas* canvas, DisplayItemList* displayItemList, DisabledMode disableContextOrPainting)
+GraphicsContext::GraphicsContext(SkCanvas* canvas, DisplayItemList* displayItemList, DisabledMode disableContextOrPainting, SkMetaData* metaData)
     : m_canvas(canvas)
     , m_originalCanvas(canvas)
     , m_displayItemList(displayItemList)
     , m_paintStateStack()
     , m_paintStateIndex(0)
 #if ENABLE(ASSERT)
     , m_layerCount(0)
     , m_disableDestructionChecks(false)
     , m_inDrawingRecorder(false)
 #endif
     , m_disabledState(disableContextOrPainting)
     , m_deviceScaleFactor(1.0f)
     , m_accelerated(false)
     , m_printing(false)
+    , m_hasMetaData(!!metaData)
 {
+    if (metaData)
+        m_metaData = *metaData;
+
     // FIXME: Do some tests to determine how many states are typically used, and allocate
     // several here.
     m_paintStateStack.append(GraphicsContextState::create());
     m_paintState = m_paintStateStack.last().get();
 
     if (contextDisabled()) {
         DEFINE_STATIC_LOCAL(RefPtr<SkCanvas>, nullCanvas, (adoptRef(SkCreateNullCanvas())));
         m_canvas = nullCanvas.get();
     }
 }
@@ skipping 279 matching lines @@
     ASSERT(m_layerCount-- > 0);
 }
 
 void GraphicsContext::beginRecording(const FloatRect& bounds)
 {
     if (contextDisabled())
         return;
 
     if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
         m_canvas = m_pictureRecorder.beginRecording(bounds, 0);
+        if (m_hasMetaData)
+            skia::getMetaData(*m_canvas) = m_metaData;
         return;
     }
 
     m_recordingStateStack.append(
         RecordingState::Create(m_canvas, getTotalMatrix()));
+
     m_canvas = m_recordingStateStack.last()->recorder().beginRecording(bounds, 0);
+    if (m_hasMetaData)
+        skia::getMetaData(*m_canvas) = m_metaData;
 }
 
 PassRefPtr<const SkPicture> GraphicsContext::endRecording()
 {
     if (contextDisabled())
         return nullptr;
 
     if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
         RefPtr<const SkPicture> picture = adoptRef(m_pictureRecorder.endRecordingAsPicture());
         m_canvas = m_originalCanvas;
@@ skipping 1139 matching lines @@
     static const SkPMColor colors[] = {
         SkPreMultiplyARGB(0x60, 0xFF, 0x00, 0x00), // More transparent red
         SkPreMultiplyARGB(0x60, 0xC0, 0xC0, 0xC0)  // More transparent gray
     };
 
     return colors[index];
 }
 #endif
 
 } // namespace blink