[poc] redecode

third_party/WebKit/Source/core/fetch/ImageResource.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
@@ skipping 319 matching lines @@
                 memoryCache()->remove(this);
             return;
         }
 
         // It would be nice to only redraw the decoded band of the image, but with the current design
         // (decoding delayed until painting) that seems hard.
         notifyObservers();
     }
 }
 
+void ImageResource::deviceProfileChanged(const blink::Image* image, ColorSpaceProfile* deviceProfile)
+{
+    if (!image || image != m_image)
+        return;
+
+    RELEASE_ASSERT(m_image && m_image->isBitmapImage());
+
+    BitmapImage* bitmapImage = toBitmapImage(this->image());
+    RELEASE_ASSERT(bitmapImage->hasColorProfile());
+
+    bool allDataReceived = bitmapImage->isAllDataReceived();
+    if (!bitmapImage->resetDecoder(deviceProfile))
+        return;
+
+    bool sizeAvailable = m_image->setData(m_data, allDataReceived);
+
+    if (sizeAvailable || allDataReceived) {
+        if (!m_image || m_image->isNull()) {
+            error(errorOccurred() ? status() : DecodeError);
+            if (memoryCache()->contains(this))
+                memoryCache()->remove(this);
+        }
+    }
+}
+
 void ImageResource::finishOnePart()
 {
     if (loadingMultipartContent())
         clear();
     updateImage(true);
     if (loadingMultipartContent())
         m_data.clear();
     Resource::finishOnePart();
 }
 
@@ skipping 119 matching lines @@
         return true;
     return !securityOrigin->taintsCanvas(response().url());
 }
 
 bool ImageResource::loadingMultipartContent() const
 {
     return m_loader && m_loader->loadingMultipartContent();
 }
 
 } // namespace blink