MediaUpload, Settings: Add option to always convert to jpeg.

changelog.d/always-jpeg.add

@@ -0,0 +1 @@
+Added option to always convert images to JPEG format instead of using WebP when compressing images. 

src/components/media_upload/media_upload.js

@@ -76,9 +76,9 @@ const mediaUpload = {
           const testCanvas = document.createElement('canvas')
           const supportsWebP = testCanvas.toDataURL('image/webp').startsWith('data:image/webp')
 
-          // Convert to WebP if supported, otherwise JPEG
+          // Convert to WebP if supported and alwaysUseJpeg is false, otherwise JPEG
-          const type = supportsWebP ? 'image/webp' : 'image/jpeg'
+          const type = (!this.$store.getters.mergedConfig.alwaysUseJpeg && supportsWebP) ? 'image/webp' : 'image/jpeg'
-          const extension = supportsWebP ? '.webp' : '.jpg'
+          const extension = type === 'image/webp' ? '.webp' : '.jpg'
 
           // Remove the original extension and add new one
           const newFileName = file.name.replace(/\.[^/.]+$/, '') + extension

src/components/settings_modal/tabs/general_tab.vue

@@ -269,6 +269,14 @@
             {{ $t('settings.image_compression') }}
           </BooleanSetting>
         </li>
+        <li>
+          <BooleanSetting
+            path="alwaysUseJpeg"
+            expert="1"
+          >
+            {{ $t('settings.always_use_jpeg') }}
+          </BooleanSetting>
+        </li>
         <li>
           <BooleanSetting
             path="useContainFit"

src/i18n/en.json

@@ -440,6 +440,7 @@
     "attachmentRadius": "Attachments",
     "attachments": "Attachments",
     "image_compression": "Compress images before uploading",
+    "always_use_jpeg": "Always convert images to JPEG format",
     "avatar": "Avatar",
     "avatarAltRadius": "Avatars (notifications)",
     "avatarRadius": "Avatars",

src/modules/config.js

@@ -194,7 +194,8 @@ export const defaultState = {
   useAbsoluteTimeFormat: undefined, // instance default
   absoluteTimeFormatMinAge: undefined, // instance default
   absoluteTime12h: undefined, // instance default
-  imageCompression: true
+  imageCompression: true,
+  alwaysUseJpeg: false
 }
 
 // caching the instance default properties