[poc] curve-filter

third_party/WebKit/Source/platform/DragImage.cpp

Index: third_party/WebKit/Source/platform/DragImage.cpp
diff --git a/third_party/WebKit/Source/platform/DragImage.cpp b/third_party/WebKit/Source/platform/DragImage.cpp
index 7b2dad8b0ac680ed1f0ec6d61f3d3078bb5758f7..2f219304aa3bb0904f776be7a6f33269fb4e0006 100644
--- a/third_party/WebKit/Source/platform/DragImage.cpp
+++ b/third_party/WebKit/Source/platform/DragImage.cpp
@@ -37,6 +37,7 @@
 #include "platform/graphics/BitmapImage.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/GraphicsContext.h"
+#include "platform/graphics/GraphicsScreen.h"
 #include "platform/graphics/Image.h"
 #include "platform/graphics/ImageBuffer.h"
 #include "platform/graphics/paint/DrawingRecorder.h"
@@ -137,24 +138,31 @@ PassOwnPtr<DragImage> DragImage::create(Image* image,
     RespectImageOrientationEnum shouldRespectImageOrientation, float deviceScaleFactor,
     InterpolationQuality interpolationQuality, float opacity, FloatSize imageScale)
 {
-    if (!image)
-        return nullptr;
+    RefPtr<SkImage> skImage = image ? image->imageForCurrentFrame() : nullptr;
 
-    RefPtr<SkImage> skImage = image->imageForCurrentFrame();
-    if (!skImage)
-        return nullptr;
+    if (imageColorProfilesEnabled())
+        RELEASE_ASSERT(currentScreenId()); // There should be an active graphics screen.
+
+    if (skImage && imageColorProfilesEnabled() && image->isBitmapImage() && toBitmapImage(image)->hasColorProfile()) {
+        OwnPtr<ImageBuffer> buffer = ImageBuffer::create(image->size());
+        IntRect source = IntRect(IntPoint(), image->size());
+        image->draw(buffer->canvas(), SkPaint(), source, source, DoNotRespectImageOrientation, Image::ClampImageToSourceRect);
+        skImage = buffer->newSkImageSnapshot(PreferNoAcceleration);
+    }
 
     ImageOrientation orientation;
-    if (shouldRespectImageOrientation == RespectImageOrientation && image->isBitmapImage())
+    if (skImage && shouldRespectImageOrientation == RespectImageOrientation && image->isBitmapImage())
         orientation = toBitmapImage(image)->currentFrameOrientation();
 
-    SkBitmap bm;
-    RefPtr<SkImage> resizedImage =
-        resizeAndOrientImage(skImage.release(), orientation, imageScale, opacity, interpolationQuality);
-    if (!resizedImage || !resizedImage->asLegacyBitmap(&bm, SkImage::kRO_LegacyBitmapMode))
+    RefPtr<SkImage> dragImage;
+    if (skImage)
+        dragImage = resizeAndOrientImage(skImage.release(), orientation, imageScale, opacity, interpolationQuality);
+
+    SkBitmap bitmap;
+    if (!dragImage || !dragImage->asLegacyBitmap(&bitmap, SkImage::kRO_LegacyBitmapMode))
         return nullptr;
 
-    return adoptPtr(new DragImage(bm, deviceScaleFactor, interpolationQuality));
+    return adoptPtr(new DragImage(bitmap, deviceScaleFactor, interpolationQuality));
 }
 
 static Font deriveDragLabelFont(int size, FontWeight fontWeight, const FontDescription& systemFont)