Added jpg compression / quality

Luen · Nov 5, 2021 · 7ba492d · 7ba492d
1 parent 8dc9a79
commit 7ba492d
Showing 1 changed file with 47 additions and 41 deletions.
diff --git a/index.js b/index.js
@@ -19,8 +19,8 @@ app.get('*', function(req, res) {
   //const LOGO = "https://wanderstories.space/content/images/size/w1000/2021/11/Wanderstories-publication-logo.png"
   const LOGO = __dirname + "/Wanderstories-logo.png"
 
+  const JIMP_QUALITY = 60
   const LOGO_MARGIN_PERCENTAGE = 5
-  var LOCATION = 'Center' // or 'Bottom Right'
 
   const ACCEPTED = [
     'jpg',
@@ -49,49 +49,55 @@ app.get('*', function(req, res) {
           Jimp.read(LOGO)
         ])
 
-        if (LOCATION == 'Center') {
-          logo.resize(image.bitmap.width / 5, Jimp.AUTO)
-
-          const X = (image.bitmap.width / 2) - (logo.bitmap.width / 2)
-          const Y = (image.bitmap.height / 2) - (logo.bitmap.height / 2)
-
-/*Jimp.BLEND_SOURCE_OVER;
-Jimp.BLEND_DESTINATION_OVER;
-Jimp.BLEND_MULTIPLY;
-Jimp.BLEND_ADD; ---
-Jimp.BLEND_SCREEN;
-Jimp.BLEND_OVERLAY;
-Jimp.BLEND_DARKEN;
-Jimp.BLEND_LIGHTEN;
-Jimp.BLEND_HARDLIGHT;
-Jimp.BLEND_DIFFERENCE;
-Jimp.BLEND_EXCLUSION;
-*/
-
-          return image.composite(logo, X, Y, {
-              mode: Jimp.BLEND_ADD,
-              opacitySource: 0.2,
-              opacityDest: 1
-          })
-        } else { // Bottom Right
-          logo.resize(image.bitmap.width / 10, Jimp.AUTO)
-
-          const xMargin = (image.bitmap.width * LOGO_MARGIN_PERCENTAGE) / 100
-          const yMargin = (image.bitmap.height * LOGO_MARGIN_PERCENTAGE) / 100
-
-          const X = image.bitmap.width - logo.bitmap.width - xMargin
-          const Y = image.bitmap.height - logo.bitmap.height - yMargin
-
-          return image.composite(logo, X, Y, {
-              mode: Jimp.BLEND_SCREEN,
-              opacitySource: 0.5,
-              opacityDest: 1
-          })
-        }
+        ///////////////////
+        ///// Center //////
+        ///////////////////
+        logo.resize(image.bitmap.width / 5, Jimp.AUTO)
+
+        const X = (image.bitmap.width / 2) - (logo.bitmap.width / 2)
+        const Y = (image.bitmap.height / 2) - (logo.bitmap.height / 2)
+
+          /* // BLEND MODES
+          Jimp.BLEND_SOURCE_OVER;
+          Jimp.BLEND_DESTINATION_OVER;
+          Jimp.BLEND_MULTIPLY;
+          Jimp.BLEND_ADD; ---
+          Jimp.BLEND_SCREEN;
+          Jimp.BLEND_OVERLAY;
+          Jimp.BLEND_DARKEN;
+          Jimp.BLEND_LIGHTEN;
+          Jimp.BLEND_HARDLIGHT;
+          Jimp.BLEND_DIFFERENCE;
+          Jimp.BLEND_EXCLUSION;
+          */
+
+        return image.composite(logo, X, Y, {
+            mode: Jimp.BLEND_ADD,
+            opacitySource: 0.2,
+            opacityDest: 1
+        })
+        ///////////////////
+        // Bottom Right ///
+        ///////////////////
+        /*
+        logo.resize(image.bitmap.width / 10, Jimp.AUTO)
+
+        const xMargin = (image.bitmap.width * LOGO_MARGIN_PERCENTAGE) / 100
+        const yMargin = (image.bitmap.height * LOGO_MARGIN_PERCENTAGE) / 100
+
+        const X = image.bitmap.width - logo.bitmap.width - xMargin
+        const Y = image.bitmap.height - logo.bitmap.height - yMargin
+
+        return image.composite(logo, X, Y, {
+            mode: Jimp.BLEND_SCREEN,
+            opacitySource: 0.5,
+            opacityDest: 1
+        })
+        */
       }
 
       // write file to server and send file
-      main().then(image => image.writeAsync(PATH)).then(() => {
+      main().then(image => image.quality(JIMP_QUALITY).writeAsync(PATH)).then(() => {
         res.sendFile(PATH)
       })
     }