Add output format properties to SkImageFilter::Context

include/core/SkImageFilter.h

Index: include/core/SkImageFilter.h
diff --git a/include/core/SkImageFilter.h b/include/core/SkImageFilter.h
index 97f84dc596720a2176869b1e97a63adfcb3c41c1..ad9eb11e88bedcbe22f6aa1e469b56fd334b0269 100644
--- a/include/core/SkImageFilter.h
+++ b/include/core/SkImageFilter.h
@@ -34,22 +34,37 @@ struct SkImageFilterCacheKey;
  */
 class SK_API SkImageFilter : public SkFlattenable {
 public:

[robertphillips, 2016/09/21 18:44:09]

// Basically copy your CL's comment here - why is this class here

?

[Brian Osman, 2016/09/21 19:00:31]

Done.

+    class OutputProperties {
+    public:

[robertphillips, 2016/09/21 18:44:09]

can this fit on one line?

Maybe a comment here about why it's okay to just have a bare pointer here ?

[Brian Osman, 2016/09/21 19:00:31]

Done.

+        explicit OutputProperties(SkColorSpace* colorSpace)
+            : fColorSpace(colorSpace) {}
+
+        SkColorSpace* colorSpace() const { return fColorSpace; }
+
+    private:
+        SkColorSpace* fColorSpace;
+    };
+
     class Context {
     public:
-        Context(const SkMatrix& ctm, const SkIRect& clipBounds, SkImageFilterCache* cache)
+        Context(const SkMatrix& ctm, const SkIRect& clipBounds, SkImageFilterCache* cache,
+                const OutputProperties& outputProperties)
             : fCTM(ctm)
             , fClipBounds(clipBounds)
             , fCache(cache)
+            , fOutputProperties(outputProperties)
         {}
 
         const SkMatrix& ctm() const { return fCTM; }
         const SkIRect& clipBounds() const { return fClipBounds; }
         SkImageFilterCache* cache() const { return fCache; }
+        const OutputProperties& outputProperties() const { return fOutputProperties; }
 
     private:
         SkMatrix               fCTM;
         SkIRect                fClipBounds;
         SkImageFilterCache*    fCache;
+        OutputProperties       fOutputProperties;
     };
 
     class CropRect {
@@ -130,10 +145,10 @@ public:
                          MapDirection = kReverse_MapDirection) const;
 
 #if SK_SUPPORT_GPU
-    static sk_sp<SkSpecialImage> DrawWithFP(GrContext* context, 
+    static sk_sp<SkSpecialImage> DrawWithFP(GrContext* context,
                                             sk_sp<GrFragmentProcessor> fp,
                                             const SkIRect& bounds,
-                                            sk_sp<SkColorSpace> colorSpace);
+                                            const OutputProperties& outputProperties);
 #endif
 
     /**