1 files changed, 18 insertions, 0 deletions
diff --git a/org.fox.ttcomics/src/main/java/com/github/chrisbanes/photoview/OnMatrixChangedListener.java b/org.fox.ttcomics/src/main/java/com/github/chrisbanes/photoview/OnMatrixChangedListener.java
new file mode 100644
index 0000000..f3031d6
--- /dev/null
+++ b/org.fox.ttcomics/src/main/java/com/github/chrisbanes/photoview/OnMatrixChangedListener.java
@@ -0,0 +1,18 @@
+package com.github.chrisbanes.photoview;
+
+import android.graphics.RectF;
+
+/**
+ * Interface definition for a callback to be invoked when the internal Matrix has changed for
+ * this View.
+ */
+public interface OnMatrixChangedListener {
+
+    /**
+     * Callback for when the Matrix displaying the Drawable has changed. This could be because
+     * the View's bounds have changed, or the user has zoomed.
+     *
+     * @param rect - Rectangle displaying the Drawable's new bounds.
+     */
+    void onMatrixChanged(RectF rect);
+}