fix(is-playing): CornerstoneViewport now plays the clip on mounting if isPlaying is true (#53)

Author: dbousamra

src/CornerstoneViewport/CornerstoneViewport.js

@@ -133,6 +133,8 @@ class CornerstoneViewport extends Component {
       cornerstoneOptions,
       imageIds,
       resizeThrottleMs,
+      isPlaying,
+      frameRate,
     } = this.props;
     const { imageIdIndex } = this.state;
     const imageId = imageIds[imageIdIndex];
@@ -174,6 +176,11 @@ class CornerstoneViewport extends Component {
         _enableStackPrefetching(this.element);
       }
 
+      if (isPlaying) {
+        const validFrameRate = Math.max(frameRate, 1);
+        cornerstoneTools.playClip(this.element, validFrameRate);
+      }
+
       _addAndConfigureInitialToolsForElement(tools, this.element);
       _trySetActiveTool(this.element, this.props.activeTool);
       this.setState({ isLoading: false });