[poc] curve-filter

third_party/WebKit/Source/platform/DragImage.cpp

 /*
  * Copyright (C) 2007 Apple 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 18 matching lines @@
 #include "platform/fonts/Font.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/fonts/FontDescription.h"
 #include "platform/fonts/FontMetrics.h"
 #include "platform/geometry/FloatPoint.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/geometry/IntPoint.h"
 #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"
 #include "platform/graphics/paint/SkPictureBuilder.h"
 #include "platform/text/BidiTextRun.h"
 #include "platform/text/StringTruncator.h"
 #include "platform/text/TextRun.h"
 #include "platform/transforms/AffineTransform.h"
 #include "platform/weborigin/KURL.h"
 #include "skia/ext/image_operations.h"
@@ skipping 80 matching lines @@
         ? static_cast<float>(maxSize.height()) / size.height() : 1;
     imageScale.scale(std::min(clampScaleX, clampScaleY));
 
     return imageScale;
 }
 
 PassOwnPtr<DragImage> DragImage::create(Image* image,
     RespectImageOrientationEnum shouldRespectImageOrientation, float deviceScaleFactor,
     InterpolationQuality interpolationQuality, float opacity, FloatSize imageScale)
 {
-    if (!image)
+    RefPtr<SkImage> skImage = image ? image->imageForCurrentFrame() : 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 (skImage && shouldRespectImageOrientation == RespectImageOrientation && image->isBitmapImage())
+        orientation = toBitmapImage(image)->currentFrameOrientation();
+
+    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;
 
-    RefPtr<SkImage> skImage = image->imageForCurrentFrame();
-    if (!skImage)
-        return nullptr;
-
-    ImageOrientation orientation;
-    if (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))
-        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)
 {
     FontDescription description = systemFont;
     description.setWeight(fontWeight);
     description.setSpecifiedSize(size);
     description.setComputedSize(size);
     Font result(description);
     result.update(nullptr);
@@ skipping 101 matching lines @@
 
 void DragImage::scale(float scaleX, float scaleY)
 {
     skia::ImageOperations::ResizeMethod resizeMethod = m_interpolationQuality == InterpolationNone ? skia::ImageOperations::RESIZE_BOX : skia::ImageOperations::RESIZE_LANCZOS3;
     int imageWidth = scaleX * m_bitmap.width();
     int imageHeight = scaleY * m_bitmap.height();
     m_bitmap = skia::ImageOperations::Resize(m_bitmap, resizeMethod, imageWidth, imageHeight);
 }
 
 } // namespace blink