[poc] curve-filter

third_party/WebKit/Source/platform/graphics/BitmapImage.h

 /*
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2008-2009 Torch Mobile, Inc.
  *
  * 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 11 matching lines @@
  * 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.
  */
 
 #ifndef BitmapImage_h
 #define BitmapImage_h
 
 #include "platform/geometry/IntSize.h"
-#include "platform/graphics/Color.h"
 #include "platform/graphics/FrameData.h"
 #include "platform/graphics/Image.h"
 #include "platform/graphics/ImageAnimationPolicy.h"
 #include "platform/graphics/ImageOrientation.h"
 #include "platform/graphics/ImageSource.h"
 #include "platform/image-decoders/ImageAnimation.h"
 #include "wtf/Forward.h"
 #include "wtf/OwnPtr.h"
 
 namespace blink {
 
 template <typename T> class Timer;
 
 class PLATFORM_EXPORT BitmapImage final : public Image {
     friend class GeneratedImage;
     friend class CrossfadeGeneratedImage;
     friend class GradientGeneratedImage;
     friend class GraphicsContext;
 public:
     static PassRefPtr<BitmapImage> create(ImageObserver* observer = 0)
     {
         return adoptRef(new BitmapImage(observer));
     }
 
-    // This allows constructing a BitmapImage with a forced non-default orientation.
-    static PassRefPtr<BitmapImage> createWithOrientationForTesting(const SkBitmap&, ImageOrientation);
-
     ~BitmapImage() override;
 
-    bool isBitmapImage() const override;
+    bool isBitmapImage() const override { return true; };
 
-    bool currentFrameHasSingleSecurityOrigin() const override;
+    bool currentFrameHasSingleSecurityOrigin() const override { return true; };
 
     IntSize size() const override;
     IntSize sizeRespectingOrientation() const;
     bool getHotSpot(IntPoint&) const override;
     String filenameExtension() const override;
+
     bool dataChanged(bool allDataReceived) override;
+    bool isAllDataReceived() const { return m_allDataReceived; }
 
-    bool isAllDataReceived() const { return m_allDataReceived; }
     bool hasColorProfile() const;
+    PassRefPtr<ColorSpaceProfile> colorProfile() const { return m_source.colorProfile(); }
+    void setDrawingToCanvasElement(bool status) { m_drawingToCanvasElement = status; } // FIXME: remove.
+    bool drawingToCanvasElement() { return m_drawingToCanvasElement; } // FIXME: remove.
+    PassRefPtr<SkColorFilter> imageColorTransform();
 
     // It may look unusual that there's no start animation call as public API.
     // This because we start and stop animating lazily. Animation starts when
     // the image is rendered, and automatically pauses once all observers no
     // longer want to render the image.
     void stopAnimation() override;
     void resetAnimation() override;
     bool maybeAnimated() override;
 
     void setAnimationPolicy(ImageAnimationPolicy policy) override { m_animationPolicy = policy; }
     ImageAnimationPolicy animationPolicy() override { return m_animationPolicy; }
     void advanceTime(double deltaTimeInSeconds) override;
 
-    // Advance the image animation by one frame.
-    void advanceAnimationForTesting() override { internalAdvanceAnimation(false); }
-
     PassRefPtr<SkImage> imageForCurrentFrame() override;
     PassRefPtr<Image> imageForDefaultFrame() override;
+
     bool currentFrameKnownToBeOpaque(MetadataMode = UseCurrentMetadata) override;
     bool currentFrameIsComplete() override;
     bool currentFrameIsLazyDecoded() override;
 
+    // FIXME: consider renaming this to orientationForCurrentFrame(), or perhaps
+    // imageOrientation, since orientation is the same for all image frames.
     ImageOrientation currentFrameOrientation();
 
+    // Construct a BitmapImage with the given orientation.
+    static PassRefPtr<BitmapImage> createWithOrientationForTesting(const SkBitmap&, ImageOrientation);
+    // Advance an animated image by one frame.
+    void advanceAnimationForTesting() override { internalAdvanceAnimation(false); }
+
 private:
     friend class BitmapImageTest;
 
     void updateSize() const;
 
 private:
     enum RepetitionCountStatus {
       Unknown,    // We haven't checked the source's repetition count.
       Uncertain,  // We have a repetition count, but it might be wrong (some GIFs have a count after the image data, and will report "loop once" until all data has been decoded).
       Certain     // The repetition count is known to be correct.
     };
 
     BitmapImage(const SkBitmap &, ImageObserver* = 0);
     BitmapImage(ImageObserver* = 0);
 
     void draw(SkCanvas*, const SkPaint&, const FloatRect& dstRect, const FloatRect& srcRect, RespectImageOrientationEnum, ImageClampingMode) override;
+    void didDraw();
 
     size_t currentFrame() const { return m_currentFrame; }
     size_t frameCount();
 
     PassRefPtr<SkImage> frameAtIndex(size_t);
 
     bool frameIsCompleteAtIndex(size_t);
     float frameDurationAtIndex(size_t);
     bool frameHasAlphaAtIndex(size_t);
     ImageOrientation frameOrientationAtIndex(size_t);
@@ skipping 60 matching lines @@
 
     ImageAnimationPolicy m_animationPolicy; // Whether or not we can play animation.
 
     bool m_animationFinished : 1; // Whether or not we've completed the entire animation.
 
     bool m_allDataReceived : 1; // Whether or not we've received all our data.
     mutable bool m_haveSize : 1; // Whether or not our |m_size| member variable has the final overall image size yet.
     bool m_sizeAvailable : 1; // Whether or not we can obtain the size of the first image frame yet from ImageIO.
     mutable bool m_hasUniformFrameSize : 1;
     mutable bool m_haveFrameCount : 1;
+    // DEBUG: whether or not <canvas> is drawing this bitmap image. FIXME: remove.
+    mutable bool m_drawingToCanvasElement : 1;
 };
 
 DEFINE_IMAGE_TYPE_CASTS(BitmapImage);
 
 } // namespace blink
 
 #endif