[poc] redecode

third_party/WebKit/Source/platform/graphics/DeferredImageDecoder.cpp

 /*
  * Copyright (C) 2012 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 82 matching lines @@
     ImageFrame* buffer = m_actualDecoder->frameBufferAtIndex(index);
     if (!buffer || buffer->status() == ImageFrame::FrameEmpty)
         return nullptr;
 
     return adoptRef(SkImage::NewFromBitmap(buffer->bitmap()));
 }
 
 void DeferredImageDecoder::setData(SharedBuffer& data, bool allDataReceived)
 {
     if (m_actualDecoder) {
+        fprintf(stderr, "DeferredImageDecoder %p setData decoder %p\n", this, m_actualDecoder.get());
         m_data = RefPtr<SharedBuffer>(data);
         m_lastDataSize = data.size();
         m_allDataReceived = allDataReceived;
         m_actualDecoder->setData(&data, allDataReceived);
         prepareLazyDecodedFrames();
     }
 
     if (m_frameGenerator)
         m_frameGenerator->setData(&data, allDataReceived);
 }
 
 bool DeferredImageDecoder::isSizeAvailable()
 {
     // m_actualDecoder is 0 only if image decoding is deferred and that means
     // the image header decoded successfully and the size is available.
     return m_actualDecoder ? m_actualDecoder->isSizeAvailable() : true;
 }
 
 bool DeferredImageDecoder::hasColorProfile() const
 {
     return m_actualDecoder ? m_actualDecoder->hasColorProfile() : m_hasColorProfile;
 }
 
+PassRefPtr<ColorSpaceProfile> DeferredImageDecoder::colorProfile() const
+{
+    if (m_actualDecoder)
+        return m_actualDecoder->colorProfile();
+
+    return m_colorProfile;
+}
+
 IntSize DeferredImageDecoder::size() const
 {
     return m_actualDecoder ? m_actualDecoder->size() : m_size;
 }
 
 IntSize DeferredImageDecoder::frameSizeAtIndex(size_t index) const
 {
     // FIXME: LocalFrame size is assumed to be uniform. This might not be true for
     // future supported codecs.
     return m_actualDecoder ? m_actualDecoder->frameSizeAtIndex(index) : m_size;
@@ skipping 61 matching lines @@
 
 ImageOrientation DeferredImageDecoder::orientationAtIndex(size_t index) const
 {
     if (m_actualDecoder)
         return m_actualDecoder->orientation();
     if (index < m_frameData.size())
         return m_frameData[index].m_orientation;
     return DefaultImageOrientation;
 }
 
+void DeferredImageDecoder::setDeviceProfile(ColorSpaceProfile* profile)
+{
+    m_deviceProfile = profile;
+
+    if (m_actualDecoder)
+        m_actualDecoder->setDeviceProfile(profile);
+
+    if (m_frameGenerator)
+        m_frameGenerator->setDeviceProfile(profile);
+}
+
 void DeferredImageDecoder::activateLazyDecoding()
 {
     if (m_frameGenerator)
         return;
+
+    fprintf(stderr, "DeferredImageDecoder %p activateLazyDecoding\n", this);
+
     m_size = m_actualDecoder->size();
     m_filenameExtension = m_actualDecoder->filenameExtension();
     m_hasColorProfile = m_actualDecoder->hasColorProfile();
+    m_colorProfile = m_hasColorProfile ? m_actualDecoder->colorProfile() : nullptr;
     const bool isSingleFrame = m_actualDecoder->repetitionCount() == cAnimationNone || (m_allDataReceived && m_actualDecoder->frameCount() == 1u);
     m_frameGenerator = ImageFrameGenerator::create(SkISize::Make(m_actualDecoder->decodedSize().width(), m_actualDecoder->decodedSize().height()), m_data, m_allDataReceived, !isSingleFrame);
+    m_frameGenerator->setDeviceProfile(m_deviceProfile.get());
 }
 
 void DeferredImageDecoder::prepareLazyDecodedFrames()
 {
     if (!s_enabled
         || !m_actualDecoder
         || !m_actualDecoder->isSizeAvailable()
         || m_actualDecoder->filenameExtension() == "ico")
         return;
 
@@ skipping 46 matching lines @@
     return image.release();
 }
 
 bool DeferredImageDecoder::hotSpot(IntPoint& hotSpot) const
 {
     // TODO: Implement.
     return m_actualDecoder ? m_actualDecoder->hotSpot(hotSpot) : false;
 }
 
 } // namespace blink