Added support to changing image format;

mkocus · Oct 5, 2022 · 110e027 · 110e027
1 parent ef5dd59
commit 110e027
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Showing 6 changed files with 8 additions and 5 deletions.
diff --git a/lovelace-kindle-screensaver/config.json b/lovelace-kindle-screensaver/config.json
@@ -1,6 +1,6 @@
 {
     "name": "Lovelace dashboard renderer",
-    "version": "1.1.8",
+    "version": "1.1.9",
     "slug": "lovelace-dashboard-renderer",
     "description": "Renders any lovelace dashboard to image and hosts it",
     "url": "https://github.com/mkocus/hass-lovelace-kindle-screensaver/tree/master/lovelace-kindle-screensaver",

diff --git a/lovelace-kindle-screensaver/rootfs/app/config.js b/lovelace-kindle-screensaver/rootfs/app/config.js
@@ -43,6 +43,7 @@ module.exports = {
   pages: getPagesConfig(),
   port: process.env.PORT || 5000,
   renderingTimeout: process.env.RENDERING_TIMEOUT || 10000,
+  imageFormat: process.env.IMAGE_FORMAT || "png",
   language: process.env.LANGUAGE || "en",
   debug: process.env.DEBUG === "true",
   ignoreCertificateErrors:

diff --git a/lovelace-kindle-screensaver/rootfs/app/index.js b/lovelace-kindle-screensaver/rootfs/app/index.js
@@ -110,7 +110,7 @@ const batteryStore = {};
       const lastModifiedTime = new Date(stat.mtime).toUTCString();
 
       response.writeHead(200, {
-        "Content-Type": "image/png",
+        "Content-Type": `image/${config.imageFormat}`,
         "Content-Length": Buffer.byteLength(data),
         "Last-Modified": lastModifiedTime
       });
@@ -170,7 +170,7 @@ async function renderAndConvertAsync(browser) {
     console.log(`Rendering ${url} to image...`);
     await renderUrlToImageAsync(browser, pageConfig, url, tempPath);
 
-    console.log(`Converting rendered screenshot of ${url} to requested parameters png...`);
+    console.log(`Converting rendered screenshot of ${url} to requested parameters ${config.imageFormat}...`);
     await convertImageToKindleCompatiblePngAsync(
       pageConfig,
       tempPath,
@@ -310,6 +310,7 @@ function convertImageToKindleCompatiblePngAsync(
       })
       // .dither(pageConfig.dither)
       .rotate("white", pageConfig.rotation)
+      .setFormat(config.imageFormat)
       .type(pageConfig.colorMode)
       .bitdepth(pageConfig.grayscaleDepth)
       .quality(100)

diff --git a/lovelace-kindle-screensaver/rootfs/app/package-lock.json b/lovelace-kindle-screensaver/rootfs/app/package-lock.json
diff --git a/lovelace-kindle-screensaver/rootfs/app/package.json b/lovelace-kindle-screensaver/rootfs/app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hass-lovelace-kindle-screensaver",
-  "version": "1.1.8",
+  "version": "1.1.9",
   "description": "Renders any lovelace dashboard to image and hosts it",
   "main": "index.js",
   "scripts": {

diff --git a/lovelace-kindle-screensaver/rootfs/etc/services.d/node/run b/lovelace-kindle-screensaver/rootfs/etc/services.d/node/run
@@ -13,6 +13,7 @@ export RENDERING_TIMEOUT=$(bashio::config 'rendering_timeout')
 export RENDERING_DELAY=$(bashio::config 'rendering_delay')
 export RENDERING_SCREEN_HEIGHT=$(bashio::config 'rendering_screen_height')
 export RENDERING_SCREEN_WIDTH=$(bashio::config 'rendering_screen_width')
+export IMAGE_FORMAT=$(bashio::config 'image_format')
 export GRAYSCALE_DEPTH=$(bashio::config 'grayscale_depth')
 export ROTATION=$(bashio::config 'rotation')
 export SCALING=$(bashio::config 'scaling')