Improve image compression (#2369)

* added options

* added checkbox handling to import into note

* added image compression option respecting

src/public/app/dialogs/import.js

@@ -1,6 +1,7 @@
 import utils from '../services/utils.js';
 import treeService from "../services/tree.js";
 import importService from "../services/import.js";
+import options from "../services/options.js";
 
 const $dialog = $("#import-dialog");
 const $form = $("#import-form");
@@ -8,6 +9,7 @@ const $noteTitle = $dialog.find(".import-note-title");
 const $fileUploadInput = $("#import-file-upload-input");
 const $importButton = $("#import-button");
 const $safeImportCheckbox = $("#safe-import-checkbox");
+const $shrinkImagesWrapper = $("shrink-images-wrapper");
 const $shrinkImagesCheckbox = $("#shrink-images-checkbox");
 const $textImportedAsTextCheckbox = $("#text-imported-as-text-checkbox");
 const $codeImportedAsCodeCheckbox = $("#code-imported-as-code-checkbox");
@@ -21,7 +23,7 @@ export async function showDialog(noteId) {
     $fileUploadInput.val('').trigger('change'); // to trigger Import button disabling listener below
 
     $safeImportCheckbox.prop("checked", true);
-    $shrinkImagesCheckbox.prop("checked", true);
+    $shrinkImagesCheckbox.prop("checked", options.is('compressImages'));
     $textImportedAsTextCheckbox.prop("checked", true);
     $codeImportedAsCodeCheckbox.prop("checked", true);
     $explodeArchivesCheckbox.prop("checked", true);

src/public/app/dialogs/options/other.js

@@ -3,6 +3,13 @@ import server from "../../services/server.js";
 import toastService from "../../services/toast.js";
 
 const TPL = `
+<style>
+.disabled-field {
+    opacity: 0.5;
+    pointer-events: none;
+}
+</style>
+
 <div>
     <h4>Spell check</h4>
 
@@ -27,15 +34,22 @@ const TPL = `
 
 <div>
     <h4>Image compression</h4>
-
+    
     <div class="form-group">
-        <label for="image-max-width-height">Max width / height of an image in pixels (image will be resized if it exceeds this setting).</label>
-        <input class="form-control" id="image-max-width-height" type="number">
+        <input id="image-compresion-enabled" type="checkbox" name="image-compression-enabled">
+        <label for="image-compresion-enabled">Enable image compression</label>
     </div>
 
-    <div class="form-group">
-        <label for="image-jpeg-quality">JPEG quality (0 - worst quality, 100 best quality, 50 - 85 is recommended)</label>
-        <input class="form-control" id="image-jpeg-quality" min="0" max="100" type="number">
+    <div id="image-compression-enabled-wraper">
+        <div class="form-group">
+            <label for="image-max-width-height">Max width / height of an image in pixels (image will be resized if it exceeds this setting).</label>
+            <input class="form-control" id="image-max-width-height" type="number">
+        </div>
+    
+        <div class="form-group">
+            <label for="image-jpeg-quality">JPEG quality (0 - worst quality, 100 best quality, 50 - 85 is recommended)</label>
+            <input class="form-control" id="image-jpeg-quality" min="0" max="100" type="number">
+        </div>
     </div>
 </div>
 
@@ -201,6 +215,26 @@ export default class ProtectedSessionOptions {
 
             return false;
         });
+
+        this.$enableImageCompression = $("#image-compresion-enabled");
+        this.$imageCompressionWrapper = $("#image-compression-enabled-wraper");
+
+        this.setImageCompression = (isChecked) => {
+            if (isChecked) {
+                this.$imageCompressionWrapper.removeClass("disabled-field");
+            } else {
+                this.$imageCompressionWrapper.addClass("disabled-field");
+            }
+        }
+
+        this.$enableImageCompression.on("change", () => {
+            const isChecked = this.$enableImageCompression.prop("checked");
+            const opts = { 'compressImages': isChecked ? 'true' : 'false' };
+
+            server.put('options', opts).then(() => toastService.showMessage("Options change have been saved."));
+
+            this.setImageCompression(isChecked);
+        })
     }
 
     optionsLoaded(options) {
@@ -216,5 +250,9 @@ export default class ProtectedSessionOptions {
 
         this.$autoReadonlySizeText.val(options['autoReadonlySizeText']);
         this.$autoReadonlySizeCode.val(options['autoReadonlySizeCode']);
+
+        const compressImages = options['compressImages'] === 'true';
+        this.$enableImageCompression.prop('checked', compressImages);
+        this.setImageCompression(compressImages);
     }
 }

src/routes/api/options.js

@@ -54,7 +54,8 @@ const ALLOWED_OPTIONS = new Set([
     'dailyBackupEnabled',
     'weeklyBackupEnabled',
     'monthlyBackupEnabled',
-    'maxContentWidth'
+    'maxContentWidth',
+    'compressImages'
 ]);
 
 function getOptions() {

src/services/image.js

@@ -14,6 +14,7 @@ const isSvg = require('is-svg');
 const isAnimated = require('is-animated');
 
 async function processImage(uploadBuffer, originalName, shrinkImageSwitch) {
+    const compressImages = optionService.getOptionBool("compressImages");
     const origImageFormat = getImageType(uploadBuffer);
 
     if (origImageFormat && ["webp", "svg", "gif"].includes(origImageFormat.ext)) {
@@ -25,7 +26,7 @@ async function processImage(uploadBuffer, originalName, shrinkImageSwitch) {
         shrinkImageSwitch = false;
     }
 
-    const finalImageBuffer = shrinkImageSwitch ? await shrinkImage(uploadBuffer, originalName) : uploadBuffer;
+    const finalImageBuffer = (compressImages && shrinkImageSwitch) ? await shrinkImage(uploadBuffer, originalName) : uploadBuffer;
 
     const imageFormat = getImageType(finalImageBuffer);
 

src/services/options_init.js

@@ -90,7 +90,8 @@ const defaultOptions = [
     { name: 'dailyBackupEnabled', value: 'true', isSynced: false },
     { name: 'weeklyBackupEnabled', value: 'true', isSynced: false },
     { name: 'monthlyBackupEnabled', value: 'true', isSynced: false },
-    { name: 'maxContentWidth', value: '1200', isSynced: false }
+    { name: 'maxContentWidth', value: '1200', isSynced: false },
+    { name: 'compressImages', value: 'true', isSynced: true }
 ];
 
 function initStartupOptions() {

src/views/dialogs/import.ejs

@@ -34,7 +34,7 @@
                             </label>
                         </div>
 
-                        <div class="checkbox">
+                        <div class="checkbox" id="shrink-images-wrapper">
                             <label data-toggle="tooltip" title="<p>If you check this option, Trilium will attempt to shrink the imported images by scaling and optimization which may affect the perceived image quality. If unchecked, images will be imported without changes.</p><p>This doesn't apply to <code>.zip</code> imports with metadata since it is assumed these files are already optimized.</p>">
                                 <input id="shrink-images-checkbox" value="1" type="checkbox" checked> <span>Shrink images</span>
                             </label>