[poc] curve-filter

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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * 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 "platform/graphics/DeferredImageDecoder.h"
 
 #include "platform/RuntimeEnabledFeatures.h"
+#include "platform/graphics/ColorSpaceFilter.h"
 #include "platform/graphics/DecodingImageGenerator.h"
 #include "platform/graphics/FrameData.h"
 #include "platform/graphics/ImageDecodingStore.h"
 #include "platform/graphics/ImageFrameGenerator.h"
 #include "third_party/skia/include/core/SkImage.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
 bool DeferredImageDecoder::s_enabled = true;
@@ skipping 11 matching lines @@
 PassOwnPtr<DeferredImageDecoder> DeferredImageDecoder::createForTesting(PassOwnPtr<ImageDecoder> actualDecoder)
 {
     return adoptPtr(new DeferredImageDecoder(std::move(actualDecoder)));
 }
 
 DeferredImageDecoder::DeferredImageDecoder(PassOwnPtr<ImageDecoder> actualDecoder)
     : m_allDataReceived(false)
     , m_lastDataSize(0)
     , m_actualDecoder(std::move(actualDecoder))
     , m_repetitionCount(cAnimationNone)
+    , m_canYUVDecode(false)
     , m_hasColorProfile(false)
-    , m_canYUVDecode(false)
 {
 }
 
 DeferredImageDecoder::~DeferredImageDecoder()
 {
 }
 
 void DeferredImageDecoder::setEnabled(bool enabled)
 {
     s_enabled = enabled;
@@ skipping 55 matching lines @@
     // 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 71 matching lines @@
 void DeferredImageDecoder::activateLazyDecoding()
 {
     if (m_frameGenerator)
         return;
 
     m_size = m_actualDecoder->size();
     m_filenameExtension = m_actualDecoder->filenameExtension();
     // JPEG images support YUV decoding: other decoders do not, WEBP could in future.
     m_canYUVDecode = RuntimeEnabledFeatures::decodeToYUVEnabled() && (m_filenameExtension == "jpg");
     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);
 }
 
 void DeferredImageDecoder::prepareLazyDecodedFrames()
 {
     if (!s_enabled
         || !m_actualDecoder
         || !m_actualDecoder->isSizeAvailable()
@@ skipping 52 matching lines @@
     return image.release();
 }
 
 bool DeferredImageDecoder::hotSpot(IntPoint& hotSpot) const
 {
     // TODO: Implement.
     return m_actualDecoder ? m_actualDecoder->hotSpot(hotSpot) : false;
 }
 
 } // namespace blink