Support for png images

tropy · Oct 26, 2017 · 585ea7f · 585ea7f
1 parent 35d35d8
commit 585ea7f
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Showing 2 changed files with 6 additions and 3 deletions.
diff --git a/src/dialog.js b/src/dialog.js
@@ -114,7 +114,7 @@ prompt.dup = (file, options) =>
 open.images = (options) => open({
   filters: [{
     name: t('dialog.filter.images'),
-    extensions: ['jpg', 'jpeg']
+    extensions: ['jpg', 'jpeg', 'png']
   }],
   properties: ['openFile', 'multiSelections'],
   ...options

diff --git a/src/image.js b/src/image.js
@@ -167,10 +167,9 @@ function resize(image, size) {
 }
 
 function isValidImage(file) {
-  return file.type === 'image/jpeg'
+  return ['image/jpeg', 'image/png'].includes(file.type)
 }
 
-
 function NI(src) {
   return new Promise((resolve) => {
     resolve(typeof src === 'string' ?
@@ -185,6 +184,10 @@ function magic(b) {
   if (b[0] === 0xFF && b[1] === 0xD8 && b[2] === 0xFF) {
     return 'image/jpeg'
   }
+  if (b.slice(0, 8).compare(
+    Buffer.from([137, 80, 78, 71, 13, 10, 26, 10])) === 0) {
+    return 'image/png'
+  }
 }
 
 module.exports = {