Merge pull request #2461 from pixelfed/staging

Add federated photo filters

CHANGELOG.md

@@ -18,6 +18,7 @@
 - New Discover Layout, add trending hashtags, places and posts ([c251d41b](https://github.com/pixelfed/pixelfed/commit/c251d41b))
 - Add Password change email notification ([de1cca4f](https://github.com/pixelfed/pixelfed/commit/de1cca4f))
 - Add shared inbox ([4733ca9f](https://github.com/pixelfed/pixelfed/commit/4733ca9f))
+- Add federated photo filters ([0a5a0e86](https://github.com/pixelfed/pixelfed/commit/0a5a0e86))
 
 ### Updated
 - Updated PostComponent, fix remote urls ([42716ccc](https://github.com/pixelfed/pixelfed/commit/42716ccc))

app/Http/Controllers/MediaController.php

@@ -41,6 +41,9 @@ class MediaController extends Controller
 			->whereNull('status_id')
 			->findOrFail($id);
 
+		$media->version = 2;
+		$media->save();
+
 		$fragments = explode('/', $media->media_path);
 		$name = last($fragments);
 		array_pop($fragments);

app/Transformer/Api/MediaTransformer.php

@@ -22,7 +22,7 @@ class MediaTransformer extends Fractal\TransformerAbstract
             'is_nsfw'       => $media->is_nsfw,
             'orientation'   => $media->orientation,
             'filter_name'   => $media->filter_name,
-            'filter_class'  => $media->filter_class,
+            'filter_class'  => $media->version == 1 ? $media->filter_class : null,
             'mime'          => $media->mime,
         ];
     }

resources/assets/js/app.js

@@ -139,6 +139,49 @@ window.App.util = {
 			['Willow','filter-willow'], 
 			['X-Pro II','filter-xpro-ii']
 	],
+	filterCss: {
+		'filter-1977': 'sepia(.5) hue-rotate(-30deg) saturate(1.4)',
+		'filter-aden': 'sepia(.2) brightness(1.15) saturate(1.4)',
+		'filter-amaro': 'sepia(.35) contrast(1.1) brightness(1.2) saturate(1.3)',
+		'filter-ashby': 'sepia(.5) contrast(1.2) saturate(1.8)',
+		'filter-brannan': 'sepia(.4) contrast(1.25) brightness(1.1) saturate(.9) hue-rotate(-2deg)',
+		'filter-brooklyn': 'sepia(.25) contrast(1.25) brightness(1.25) hue-rotate(5deg)',
+		'filter-charmes': 'sepia(.25) contrast(1.25) brightness(1.25) saturate(1.35) hue-rotate(-5deg)',
+		'filter-clarendon': 'sepia(.15) contrast(1.25) brightness(1.25) hue-rotate(5deg)',
+		'filter-crema': 'sepia(.5) contrast(1.25) brightness(1.15) saturate(.9) hue-rotate(-2deg)',
+		'filter-dogpatch': 'sepia(.35) saturate(1.1) contrast(1.5)',
+		'filter-earlybird': 'sepia(.25) contrast(1.25) brightness(1.15) saturate(.9) hue-rotate(-5deg)',
+		'filter-gingham': 'contrast(1.1) brightness(1.1)',
+		'filter-ginza': 'sepia(.25) contrast(1.15) brightness(1.2) saturate(1.35) hue-rotate(-5deg)',
+		'filter-hefe': 'sepia(.4) contrast(1.5) brightness(1.2) saturate(1.4) hue-rotate(-10deg)',
+		'filter-helena': 'sepia(.5) contrast(1.05) brightness(1.05) saturate(1.35)',
+		'filter-hudson': 'sepia(.25) contrast(1.2) brightness(1.2) saturate(1.05) hue-rotate(-15deg)',
+		'filter-inkwell': 'brightness(1.25) contrast(.85) grayscale(1)',
+		'filter-kelvin': 'sepia(.15) contrast(1.5) brightness(1.1) hue-rotate(-10deg)',
+		'filter-juno': 'sepia(.35) contrast(1.15) brightness(1.15) saturate(1.8)',
+		'filter-lark': 'sepia(.25) contrast(1.2) brightness(1.3) saturate(1.25)',
+		'filter-lofi': 'saturate(1.1) contrast(1.5)',
+		'filter-ludwig': 'sepia(.25) contrast(1.05) brightness(1.05) saturate(2)',
+		'filter-maven': 'sepia(.35) contrast(1.05) brightness(1.05) saturate(1.75)',
+		'filter-mayfair': 'contrast(1.1) brightness(1.15) saturate(1.1)',
+		'filter-moon': 'brightness(1.4) contrast(.95) saturate(0) sepia(.35)',
+		'filter-nashville': 'sepia(.25) contrast(1.5) brightness(.9) hue-rotate(-15deg)',
+		'filter-perpetua': 'contrast(1.1) brightness(1.25) saturate(1.1)',
+		'filter-poprocket': 'sepia(.15) brightness(1.2)',
+		'filter-reyes': 'sepia(.75) contrast(.75) brightness(1.25) saturate(1.4)',
+		'filter-rise': 'sepia(.25) contrast(1.25) brightness(1.2) saturate(.9)',
+		'filter-sierra': 'sepia(.25) contrast(1.5) brightness(.9) hue-rotate(-15deg)',
+		'filter-skyline': 'sepia(.15) contrast(1.25) brightness(1.25) saturate(1.2)',
+		'filter-slumber': 'sepia(.35) contrast(1.25) saturate(1.25)',
+		'filter-stinson': 'sepia(.35) contrast(1.25) brightness(1.1) saturate(1.25)',
+		'filter-sutro': 'sepia(.4) contrast(1.2) brightness(.9) saturate(1.4) hue-rotate(-10deg)',
+		'filter-toaster': 'sepia(.25) contrast(1.5) brightness(.95) hue-rotate(-15deg)',
+		'filter-valencia': 'sepia(.25) contrast(1.1) brightness(1.1)',
+		'filter-vesper': 'sepia(.35) contrast(1.15) brightness(1.2) saturate(1.3)',
+		'filter-walden': 'sepia(.35) contrast(.8) brightness(1.25) saturate(1.4)',
+		'filter-willow': 'brightness(1.2) contrast(.85) saturate(.05) sepia(.2)',
+		'filter-xpro-ii': 'sepia(.45) contrast(1.25) brightness(1.75) saturate(1.3) hue-rotate(-5deg)'
+	},
 	emoji: ['😂','💯','❤️','🙌','👏','👌','😍','😯','😢','😅','😁','🙂','😎','😀','🤣','😃','😄','😆','😉','😊','😋','😘','😗','😙','😚','🤗','🤩','🤔','🤨','😐','😑','😶','🙄','😏','😣','😥','😮','🤐','😪','😫','😴','😌','😛','😜','😝','🤤','😒','😓','😔','😕','🙃','🤑','😲','🙁','😖','😞','😟','😤','😭','😦','😧','😨','😩','🤯','😬','😰','😱','😳','🤪','😵','😡','😠','🤬','😷','🤒','🤕','🤢','🤮','🤧','😇','🤠','🤡','🤥','🤫','🤭','🧐','🤓','😈','👿','👹','👺','💀','👻','👽','🤖','💩','😺','😸','😹','😻','😼','😽','🙀','😿','😾','🤲','👐','🤝','👍','👎','👊','✊','🤛','🤜','🤞','✌️','🤟','🤘','👈','👉','👆','👇','☝️','✋','🤚','🖐','🖖','👋','🤙','💪','🖕','✍️','🙏','💍','💄','💋','👄','👅','👂','👃','👣','👁','👀','🧠','🗣','👤','👥'
 	],
 	embed: {

resources/assets/js/components/ComposeModal.vue

@@ -1,6 +1,8 @@
 <template>
 <div>
 	<input type="file" id="pf-dz" name="media" class="w-100 h-100 d-none file-input" v-bind:accept="config.uploader.media_types">
+	<canvas class="d-none" id="pr_canvas"></canvas>
+	<img class="d-none" id="pr_img">
 	<div class="timeline">
 		<div v-if="uploading">
 			<div class="card status-card card-md-rounded-0 w-100 h-100 bg-light py-3" style="border-bottom: 1px solid #f1f1f1">
@@ -983,9 +985,40 @@ export default {
 				this.cameraRollMedia = res.data;
 			});
 		},
+
 		applyFilterToMedia() {
 			// this is where the magic happens
 
+			let medias = this.media;
+			let media = null;
+			const canvas = document.getElementById('pr_canvas');
+			const ctx = canvas.getContext('2d');
+			let image = document.getElementById('pr_img');
+			let blob = null;
+			let data = null;
+
+			for (var i = medias.length - 1; i >= 0; i--) {
+				media = medias[i];
+				if(media.filter_class) {
+					image.src = media.url;
+					image.addEventListener('load', e => {
+						canvas.width = image.width;
+						canvas.height = image.height;
+						ctx.filter = App.util.filterCss[media.filter_class];
+						ctx.drawImage(image, 0, 0, image.width, image.height);
+						ctx.save();
+						canvas.toBlob(function(blob) {
+							data = new FormData();
+							data.append('file', blob);
+							axios.post('/api/local/compose/media/update/'+media.id, data).then(res => {
+							}).catch(err => {
+							});
+						}, media.mime, 0.9);
+					});
+					ctx.clearRect(0, 0, image.width, image.height);
+				}
+			}
+
 		},
 
 		tagSearch(input) {