commit 8a9f8f61893c20c9091cf50d3593abb85c38ab6c
author David Morrissey <davemorrissey@gmail.com> Thu Nov 09 17:36:28 2017 +0000
committer David Morrissey <davemorrissey@gmail.com> Thu Nov 09 17:36:28 2017 +0000
tree 9ca415ca7c66f7b0a4b0dc386045a276646ac5bc
parent c87cdabad200fbdf1b28d0f4037348cbbd5c880e

#284 Always interpret double tap as zoom in when at minimum scale

library/src/main/java/com/davemorrissey/labs/subscaleview/SubsamplingScaleImageView.java

diff --git a/library/src/main/java/com/davemorrissey/labs/subscaleview/SubsamplingScaleImageView.java b/library/src/main/java/com/davemorrissey/labs/subscaleview/SubsamplingScaleImageView.java
index 2993836..177f092 100644
--- a/library/src/main/java/com/davemorrissey/labs/subscaleview/SubsamplingScaleImageView.java
+++ b/library/src/main/java/com/davemorrissey/labs/subscaleview/SubsamplingScaleImageView.java
@@ -922,7 +922,7 @@
             }
         }
         float doubleTapZoomScale = Math.min(maxScale, SubsamplingScaleImageView.this.doubleTapZoomScale);
-        boolean zoomIn = scale <= doubleTapZoomScale * 0.9;
+        boolean zoomIn = (scale <= doubleTapZoomScale * 0.9) || scale == minScale;
         float targetScale = zoomIn ? doubleTapZoomScale : minScale();
         if (doubleTapZoomStyle == ZOOM_FOCUS_CENTER_IMMEDIATE) {
             setScaleAndCenter(targetScale, sCenter);