From 5ceacc441de7f40226d06dbc4ce738f4e1989e7d Mon Sep 17 00:00:00 2001
From: Ross <xkjq@ymail.com>
Date: Sun, 25 Feb 2024 09:26:08 +0000
Subject: [PATCH] fix loading in some situations

---
 dicomViewer.js | 69 +++++++++++++++++++++++++++-----------------------
 1 file changed, 37 insertions(+), 32 deletions(-)

diff --git a/dicomViewer.js b/dicomViewer.js
index 13bfbf1..99349ca 100644
--- a/dicomViewer.js
+++ b/dicomViewer.js
@@ -585,13 +585,14 @@ export function loadCornerstone(main_element, db, images, annotations_to_load, l
                 //});
             } else {
                 let url;
-                // This doesn't seem to have any benefit
-                //if (data_url.startsWith("http")) {
-                //    url = data_url;
-                //} else {
-                //    url = window.location.href.replace(/\/\#\/?$/, '') + "/" + data_url
-                //}
-                url = data_url;
+                // Cornerstone needs the whole url to load? (not relative)
+                if (data_url.startsWith("http")) {
+                    url = data_url;
+                } else {
+                    url = window.location.href.replace(/\/\#\/?$/, '').replace("index.html", "") + "/" + data_url
+                }
+                //url = data_url;
+
 
                 if (url.endsWith("dcm")) {
                     url = "wadouri:" + url;
@@ -618,7 +619,11 @@ export function loadCornerstone(main_element, db, images, annotations_to_load, l
 
                 //console.log("LOAD and cache, then", image);
                 loadCornerstoneMainImage(element, image, stack, db, load_as_stack);
-                checkAnonStatus(image.data)
+
+                // We can only check dicom data if it exists (e.g. not on jpegs)
+                if (image.data != undefined) {
+                    checkAnonStatus(image.data)
+                }
 
                 let load_annotation_image = true;
                 if (load_annotation_image) {
@@ -1277,34 +1282,34 @@ export function getNextAnnotationImage(element) {
 }
 
 function manualScrollDicom(n, dicom_element) {
-  // There must be a better way to do this...
-  //dicom_element = document.getElementById("dicom-image");
-  let c = cornerstone.getEnabledElement(dicom_element);
+    // There must be a better way to do this...
+    //dicom_element = document.getElementById("dicom-image");
+    let c = cornerstone.getEnabledElement(dicom_element);
 
-  let max = c.toolStateManager.toolState.stack.data[0].imageIds.length;
+    let max = c.toolStateManager.toolState.stack.data[0].imageIds.length;
 
-  if (max < 2) {
-    return;
-  }
+    if (max < 2) {
+        return;
+    }
 
-  let current_index =
-    c.toolStateManager.toolState.stack.data[0].currentImageIdIndex;
+    let current_index =
+        c.toolStateManager.toolState.stack.data[0].currentImageIdIndex;
 
-  let new_index = current_index + n
-  
-  let corrected_index = Math.min(Math.max(new_index, 0), max)
+    let new_index = current_index + n
 
-  // TODO: if loop
-  //if (new_index >= max) {
-  //  corrected_index = new_index - max;
-  //} else if (new_index < 0) {
-  //  corrected_index = new_index + max;
-  //}
+    let corrected_index = Math.min(Math.max(new_index, 0), max)
 
-  c.toolStateManager.toolState.stack.data[0].currentImageIdIndex = corrected_index;
-  let id = c.toolStateManager.toolState.stack.data[0].imageIds[corrected_index];
-  cornerstone.loadImage(id).then((b) => {
-    cornerstone.displayImage(dicom_element, b);
-  });
-  // c = cornerstone.getEnabledElement(dicom_element)
+    // TODO: if loop
+    //if (new_index >= max) {
+    //  corrected_index = new_index - max;
+    //} else if (new_index < 0) {
+    //  corrected_index = new_index + max;
+    //}
+
+    c.toolStateManager.toolState.stack.data[0].currentImageIdIndex = corrected_index;
+    let id = c.toolStateManager.toolState.stack.data[0].imageIds[corrected_index];
+    cornerstone.loadImage(id).then((b) => {
+        cornerstone.displayImage(dicom_element, b);
+    });
+    // c = cornerstone.getEnabledElement(dicom_element)
 }
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