add point of interest API
R=bsalomon@google.com
Review URL: https://codereview.chromium.org/18176005
git-svn-id: http://skia.googlecode.com/svn/trunk@9806 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/skpdiff/SkImageDiffer.h b/experimental/skpdiff/SkImageDiffer.h
index 86cf5bf..c06538d 100644
--- a/experimental/skpdiff/SkImageDiffer.h
+++ b/experimental/skpdiff/SkImageDiffer.h
@@ -9,6 +9,7 @@
#define SkImageDiffer_DEFINED
class SkBitmap;
+struct SkIPoint;
/**
* Encapsulates an image difference metric algorithm that can be potentially run asynchronously.
@@ -54,14 +55,35 @@
virtual bool isFinished(int id) = 0;
/**
+ * Deletes memory associated with a diff and its results. This may block execution until the
+ * diff is finished,
+ * @param id The id of the diff to query
+ */
+ virtual void deleteDiff(int id) = 0;
+
+ /**
* Gets the results of the queued diff of the given id. The results are only meaningful after
* the queued diff has finished.
* @param id The id of the queued diff to query
- * @return A score between of how different the compared images are, with lower numbers being
- * more different.
*/
virtual double getResult(int id) = 0;
+ /**
+ * Gets the number of points of interest for the diff of the given id. The results are only
+ * meaningful after the queued diff has finished.
+ * @param id The id of the queued diff to query
+ */
+ virtual int getPointsOfInterestCount(int id) = 0;
+
+ /**
+ * Gets an array of the points of interest for the diff of the given id. The results are only
+ * meaningful after the queued diff has finished.
+ * @param id The id of the queued diff to query
+ */
+ virtual SkIPoint* getPointsOfInterest(int id) = 0;
+
+
+
protected:
bool fIsGood;
};