[poc] curve-filter

third_party/WebKit/Source/core/paint/VideoPainter.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/paint/VideoPainter.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/FrameView.h"
 #include "core/html/HTMLVideoElement.h"
 #include "core/layout/LayoutVideo.h"
 #include "core/paint/ImagePainter.h"
 #include "core/paint/LayoutObjectDrawingRecorder.h"
 #include "core/paint/PaintInfo.h"
 #include "platform/geometry/LayoutPoint.h"
+#include "platform/graphics/ColorSpaceProfile.h"
+#include "platform/graphics/GraphicsScreen.h"
 #include "platform/graphics/paint/ClipRecorder.h"
 
 namespace blink {
 
 void VideoPainter::paintReplaced(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
     WebMediaPlayer* mediaPlayer = m_layoutVideo.mediaElement()->webMediaPlayer();
     bool displayingPoster = m_layoutVideo.videoElement()->shouldDisplayPosterImage();
     if (!displayingPoster && !mediaPlayer)
         return;
 
     LayoutRect rect(m_layoutVideo.videoBox());
     if (rect.isEmpty())
         return;
     rect.moveBy(paintOffset);
 
     GraphicsContext& context = paintInfo.context;
     LayoutRect contentRect = m_layoutVideo.contentBoxRect();
     contentRect.moveBy(paintOffset);
 
     Optional<ClipRecorder> clipRecorder;
     if (!contentRect.contains(rect)) {
         clipRecorder.emplace(context, m_layoutVideo, paintInfo.displayItemTypeForClipping(), contentRect);
     }
 
     if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(context, m_layoutVideo, paintInfo.phase, paintOffset))
         return;
 
+    RELEASE_ASSERT(currentScreenId()); // There should be an active graphics screen.
+
     LayoutObjectDrawingRecorder drawingRecorder(context, m_layoutVideo, paintInfo.phase, contentRect, paintOffset);
 
     // Video frames are only painted in software for printing or capturing node images via web APIs.
     bool forceSoftwareVideoPaint = paintInfo.globalPaintFlags() & GlobalPaintFlattenCompositingLayers;
 
     if (displayingPoster || !forceSoftwareVideoPaint) {
         // This wil display the poster image, if one is present, and otherwise paint nothing.
         ImagePainter(m_layoutVideo).paintIntoRect(context, rect);
     } else {
         SkPaint videoPaint = context.fillPaint();
-        videoPaint.setColor(SK_ColorBLACK);
-        m_layoutVideo.videoElement()->paintCurrentFrame(context.canvas(), pixelSnappedIntRect(rect), &videoPaint);
+        videoPaint.setColor(Color::toDeviceColor(Color::black).rgb());
+        RefPtr<ColorSpaceProfile> target = screenColorProfile(currentScreenId());
+        m_layoutVideo.videoElement()->paintCurrentFrame(context.canvas(), pixelSnappedIntRect(rect), &videoPaint, target.get());
     }
 }
 
 } // namespace blink