Revert "Try adding copy-image functionality"

This reverts commit 55331cd.

graphtool.js

@@ -49,8 +49,8 @@ doc.html(`
         </div>
         <div class="miscTools">
           <button id="inspector">╞ inspect</button>
+          <button id="label">▭ label</button>
           <button id="download"><u>⇩</u> screenshot</button>
-          <button id="copy"><u>c</u> copy</button>
           <button id="recolor">○ recolor</button>
         </div>
         <svg id="expandTools" viewBox="0 0 14 12">
@@ -316,8 +316,14 @@ dB.updatey = function (dom) {
 let getFullName = p => p.dispBrand+" "+p.dispName,
     getChannelName = p => n => getFullName(p) + " ("+n+")";
 
+let labelButton = doc.select("#label"),
+    labelsShown = false;
+function setLabelButton(l) {
+    labelButton.classed("selected", labelsShown = l);
+}
 function clearLabels() {
     gr.selectAll(".lineLabel").remove();
+    setLabelButton(false);
 }
 
 function drawLabels() {
@@ -451,10 +457,13 @@ function drawLabels() {
     }
     g.attr("transform",(_,i)=>"translate("+tr[i].join(",")+")");
     g.attr("opacity",null);
+    setLabelButton(true);
 }
 
+labelButton.on("click", () => (labelsShown?clearLabels:drawLabels)());
+
 function saveGraph(ext) {
-    let fn = {png:saveSvgAsPng, svg:saveSvg, copy:copySvgAsPng}[ext];
+    let fn = {png:saveSvgAsPng, svg:saveSvg}[ext];
     let showControls = s => dB.all.attr("visibility",s?null:"hidden");
     gpath.selectAll("path").classed("highlight",false);
     drawLabels();
@@ -479,8 +488,6 @@ doc.select("#download")
             });
         b.on("blur", ()=>choice.remove());
     });
-doc.select("#copy")
-    .on("click", () => saveGraph("copy"));
 
 
 // Graph smoothing

saveSvgAsPng.js

@@ -413,13 +413,4 @@ THE SOFTWARE.
       .then(el => out$.svgAsPngUri(el, options || {}))
       .then(uri => out$.download(name, uri, downloadOpts));
   };
-
-  out$.copySvgAsPng = (el, _, options) => {
-    return requireDomNodePromise(el)
-      .then(el => out$.svgAsPngUri(el, options || {}))
-      .then(uri => navigator.clipboard.write([
-        new ClipboardItem({'image/png':uriToBlob(uri)})
-      ]))
-      .catch(fail=>console.error(fail));
-  }
 })();