feat: share image

main.js

@@ -97,7 +97,8 @@ function upload_image() {
   img.onload = () => draw(true);
 }
 
-function save_image() {
+function save_image(event) {
+  event.preventDefault();
   draw(false);
 
   const dataUrl = canvas.toDataURL("image/png");
@@ -108,8 +109,23 @@ function save_image() {
   link.click();
 }
 
-function share_image() {
+function share_image(event) {
+  event.preventDefault();
+  if (!navigator.share) {
+    console.log("navigator.share does not exist");
+    return;
+  }
 
+  canvas.toBlob(async (blob) => {
+    if (!blob) return;
+    const file = new File([blob], 'imagine.png', {type: 'image/png'});
+
+    try {
+      await navigator.share({files: [file]});
+    } catch (error) {
+      console.log('Error sharing:', error);
+    }
+  }, 'image/png');
 }
 
 function settings_apply(event) {