From 9c7f734afe35ea18ebea6507bde0e983a3417f06 Mon Sep 17 00:00:00 2001
From: Gordon Williams <gw@pur3.co.uk>
Date: Sat, 23 Oct 2021 21:21:36 +0100
Subject: [PATCH] Add BETA thumbnailer code that can use the JS emulator to
 create thumbnails for Bangle.js 1 and 2

---
 bin/thumbnailer.js | 84 ++++++++++++++++++++++++++++++++++++++++++++++
 core               |  2 +-
 2 files changed, 85 insertions(+), 1 deletion(-)
 create mode 100755 bin/thumbnailer.js

diff --git a/bin/thumbnailer.js b/bin/thumbnailer.js
new file mode 100755
index 000000000..922217fb2
--- /dev/null
+++ b/bin/thumbnailer.js
@@ -0,0 +1,84 @@
+#!/usr/bin/node
+
+var EMULATOR = "banglejs1";
+
+var appId;
+
+if (process.argv.length!=3) {
+  console.log("USAGE:");
+  console.log("  bin/thumbnailer.jd APP_ID");
+  process.exit(1);
+}
+appId = process.argv[2];
+imageFn = "out.png";
+
+if (!require("fs").existsSync(__dirname + "/../../EspruinoWebIDE")) {
+  console.log("You need to:");
+  console.log("  git clone https://github.com/espruino/EspruinoWebIDE");
+  console.log("At the same level as this project");
+  process.exit(1);
+}
+
+eval(require("fs").readFileSync(__dirname + "/../../EspruinoWebIDE/emu/emulator_"+EMULATOR+".js").toString());
+eval(require("fs").readFileSync(__dirname + "/../../EspruinoWebIDE/emu/emu_"+EMULATOR+".js").toString());
+eval(require("fs").readFileSync(__dirname + "/../../EspruinoWebIDE/emu/common.js").toString());
+
+var SETTINGS = {
+  pretokenise : true
+};
+var Const = {
+};
+module = undefined;
+eval(require("fs").readFileSync(__dirname + "/../core/lib/espruinotools.js").toString());
+eval(require("fs").readFileSync(__dirname + "/../core/js/utils.js").toString());
+eval(require("fs").readFileSync(__dirname + "/../core/js/appinfo.js").toString());
+var apps = JSON.parse(require("fs").readFileSync(__dirname+"/../apps.json"));
+var app = apps.find(a=>a.id==appId);
+if (!app) ERROR(`App ${JSON.stringify(appId)} not found`);
+if (app.custom) ERROR(`App ${JSON.stringify(appId)} requires HTML customisation`);
+
+
+jsRXCallback = function() {};
+jsUpdateGfx = function() {};
+
+// wait until loaded...
+setTimeout(function() {
+  console.log("Loaded...");
+  jsInit();
+  jsIdle(true); // not automatic
+  
+  AppInfo.getFiles(app, {
+    fileGetter:function(url) {
+      console.log(__dirname+"/"+url);
+      return Promise.resolve(require("fs").readFileSync(__dirname+"/../"+url).toString("binary"));
+    }, settings : SETTINGS}).then(files => {
+      //console.log(files);
+      var command = "Bangle.factoryReset()\n";
+      command += files.map(f=>f.cmd).join("\n")+"\n";
+      command += `load("${appId}.app.js")\n`;
+      //console.log(command);
+      console.log("Uploading...");
+      jsTransmitString(command);
+      console.log("Done.");
+      jsIdle();
+      jsIdle();
+      jsIdle();
+      jsStopIdle();
+      
+      var rgba = new Uint8Array(GFX_WIDTH*GFX_HEIGHT*4);
+      jsGetGfxContents(rgba);
+      
+      var Jimp = require("jimp");
+      let image = new Jimp(GFX_WIDTH, GFX_HEIGHT, function (err, image) {
+        if (err) throw err;
+        let buffer = image.bitmap.data;
+        buffer.set(rgba);
+        image.write(imageFn, (err) => {
+          if (err) throw err;
+          console.log("Image written as "+imageFn);
+        });
+      });
+});
+  
+  
+});
diff --git a/core b/core
index 3a2c706b4..8bbdf6992 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 3a2c706b4cdf02e5365b191103c80d587b3ace5a
+Subproject commit 8bbdf699210ab4d265a29a2bb0fd823cb5bca78a