[poc] redecode

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

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2007 Alp Toker <alp.toker@collabora.co.uk>
  * Copyright (C) 2008, 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.
@@ skipping 10 matching lines @@
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "platform/graphics/ImageSource.h"
 
+#include "platform/graphics/ColorSpaceProfile.h"
 #include "platform/graphics/DeferredImageDecoder.h"
 #include "platform/image-decoders/ImageDecoder.h"
 #include "third_party/skia/include/core/SkImage.h"
 
 namespace blink {
 
 ImageSource::ImageSource()
 {
 }
 
 ImageSource::~ImageSource()
 {
 }
 
 size_t ImageSource::clearCacheExceptFrame(size_t clearExceptFrame)
 {
     return m_decoder ? m_decoder->clearCacheExceptFrame(clearExceptFrame) : 0;
 }
 
+void ImageSource::resetDecoder()
+{
+    m_decoder.clear();
+}
+
 void ImageSource::setData(SharedBuffer& data, bool allDataReceived)
 {
     // Create a decoder by sniffing the encoded data. If insufficient data bytes are available to
     // determine the encoded image type, no decoder is created.
-    if (!m_decoder)
+    if (!m_decoder) {
         m_decoder = DeferredImageDecoder::create(data, ImageDecoder::AlphaPremultiplied, ImageDecoder::GammaAndColorProfileApplied);
+        if (m_decoder) {
+            fprintf(stderr, "ImageSource: %p created decoder device profile %p\n", this, m_deviceProfile.get());
+            m_decoder->setDeviceProfile(m_deviceProfile.get());
+        }
+    }
 
     if (m_decoder)
         m_decoder->setData(data, allDataReceived);
 }
 
 String ImageSource::filenameExtension() const
 {
     return m_decoder ? m_decoder->filenameExtension() : String();
 }
 
 bool ImageSource::isSizeAvailable()
 {
     return m_decoder && m_decoder->isSizeAvailable();
 }
 
 bool ImageSource::hasColorProfile() const
 {
     return m_decoder && m_decoder->hasColorProfile();
 }
 
+PassRefPtr<ColorSpaceProfile> ImageSource::colorProfile() const
+{
+    return m_decoder ? m_decoder->colorProfile() : nullptr;
+}
+
+void ImageSource::setDeviceProfile(ColorSpaceProfile* profile)
+{
+    m_deviceProfile = profile;
+
+    if (m_decoder)
+        m_decoder->setDeviceProfile(profile);
+}
+
 IntSize ImageSource::size(RespectImageOrientationEnum shouldRespectOrientation) const
 {
     return frameSizeAtIndex(0, shouldRespectOrientation);
 }
 
 IntSize ImageSource::frameSizeAtIndex(size_t index, RespectImageOrientationEnum shouldRespectOrientation) const
 {
     if (!m_decoder)
         return IntSize();
 
@@ skipping 17 matching lines @@
 size_t ImageSource::frameCount() const
 {
     return m_decoder ? m_decoder->frameCount() : 0;
 }
 
 PassRefPtr<SkImage> ImageSource::createFrameAtIndex(size_t index)
 {
     if (!m_decoder)
         return nullptr;
 
+    fprintf(stderr, "ImageSource %p createFrameAtIndex(index=%d)\n", this, (int)index);
+
     return m_decoder->createFrameAtIndex(index);
 }
 
 float ImageSource::frameDurationAtIndex(size_t index) const
 {
     if (!m_decoder)
         return 0;
 
     // Many annoying ads specify a 0 duration to make an image flash as quickly as possible.
     // We follow Firefox's behavior and use a duration of 100 ms for any frames that specify
@@ skipping 19 matching lines @@
 {
     return m_decoder && m_decoder->frameIsCompleteAtIndex(index);
 }
 
 size_t ImageSource::frameBytesAtIndex(size_t index) const
 {
     return m_decoder ? m_decoder->frameBytesAtIndex(index) : 0;
 }
 
 } // namespace blink