Add a button to open a screenshot in a new tab

macrovision.html

@@ -143,6 +143,9 @@
       <button id="save-screenshot">
         <i class="fas fa-download"></i>
       </button>
+      <button id="open-screenshot">
+        <i class="fas fa-external-link-alt"></i>
+      </button>
     </span>
     <span class="menubar-group" id="spawners">
 

macrovision.js

@@ -2102,6 +2102,11 @@ document.addEventListener("DOMContentLoaded", () => {
     document.querySelector("#save-screenshot").addEventListener("click", e => {
         saveScreenshot();
     });
+
+    document.querySelector("#open-screenshot").addEventListener("click", e => {
+        openScreenshot();
+    });
+    
     document.querySelector("#toggle-menu").addEventListener("click", e => {
         const popoutMenu = document.querySelector("#sidebar-menu");
         if (popoutMenu.classList.contains("visible")) {
@@ -3668,6 +3673,16 @@ function saveScreenshot() {
     drawScales(false);
 }
 
+function openScreenshot() {
+    generateScreenshot(blob => {
+        const a = document.createElement("a");
+        a.href = URL.createObjectURL(blob);
+        a.setAttribute("target", "_blank");
+        a.click();
+    });   
+    drawScales(false);
+}
+
 const rateLimits = {};
 
 function toast(msg) {