more improvements ot image annotatiotns

anatomy/static/js/anatomy.js

@@ -36,6 +36,8 @@ $(document).ready(function () {
 
     if($("#dicom-image").length) {
 
+        console.log("Dicom element found ", $("#dicom-image"));
+
 $('#dicom-image').bind('contextmenu', function(e) {
     return false;
 }); 
@@ -53,7 +55,7 @@ cornerstoneTools.init();
   const RotateTool = cornerstoneTools.RotateTool;
   const StackScrollTool = cornerstoneTools.StackScrollTool;
   const MagnifyTool = cornerstoneTools.MagnifyTool;
-
+  const ArrowAnnotateTool = cornerstoneTools.ArrowAnnotateTool;
 
 
 const element = document.getElementById('dicom-image');
@@ -71,14 +73,40 @@ cornerstone.loadAndCacheImage(imageId).then(function(image) {
   cornerstoneTools.addTool(RotateTool);
   cornerstoneTools.addTool(StackScrollTool);
   cornerstoneTools.addTool(MagnifyTool);
+
+  cornerstoneTools.addTool(ArrowAnnotateTool, {
+    configuration: {
+        getTextCallback: () => {},
+        changeTextCallback: () => {},
+        allowEmptyLabel: true,
+        renderDashed: false,
+        drawHandles: false,
+        drawHandlesOnHover: true,
+    },
+  });
+
+
+
   // Enable our tools
   // Avoid incorrect aspect ratio
-  cornerstone.resize(element);
   cornerstoneTools.setToolActive("Pan", { mouseButtonMask: 1 });
   cornerstoneTools.setToolActive("Wwwc", { mouseButtonMask: 2 });
   cornerstoneTools.setToolActive("ZoomMouseWheel", { mouseButtonMask: 3 });
   cornerstoneTools.setToolActive("Zoom", { mouseButtonMask: 4 });
 
+  if (element.dataset.edit_annotation == "true") {
+    cornerstoneTools.setToolActive("ArrowAnnotate", { mouseButtonMask: 2 });
+  } else {
+    cornerstoneTools.setToolEnabled("ArrowAnnotate");
+  }
+
+  if (element.dataset.annotations) {
+      loadJsonToolStateOnCurrentImage(element.dataset.annotations)
+  }
+
+  cornerstone.resize(element);
+
+
 });
     }
 
@@ -132,3 +160,44 @@ function prepAnswerData() {
     })
     $("#id_marked_answers").val(JSON.stringify(window.marked_answers));
 }
+
+function getJsonToolStateNoId() {
+    const el = document.getElementById("dicom-image");
+
+    const c = cornerstone.getEnabledElement(el);
+
+    const toolStateManager = cornerstoneTools.globalImageIdSpecificToolStateManager;
+
+    const image_id = c.image.imageId;
+
+    const state_with_id = toolStateManager.saveToolState()
+
+    const json_tool_state = JSON.stringify(state_with_id[image_id]);
+
+    return json_tool_state;
+
+}
+
+
+function loadJsonToolStateOnCurrentImage(json) {
+    let el = document.getElementById("dicom-image");
+
+    const toolStateManager = cornerstoneTools.globalImageIdSpecificToolStateManager;
+
+    const c = cornerstone.getEnabledElement(el);
+
+    let image_id = c.image.imageId;
+
+    let tool_state_no_id = JSON.parse(json);
+
+    let tool_state = {};
+    tool_state[image_id] = tool_state_no_id;
+
+    toolStateManager.restoreToolState(tool_state);
+
+    cornerstone.reset(el);
+
+    return tool_state;
+
+
+}