Merge pull request #15214 from s-hadinger/LVGL-roboto-tapp-improved

LVGL roboto tapp improved

lib/libesp32_lvgl/LVGL_assets/roboto/robotocondensed_latin1.be

@@ -6,9 +6,35 @@ font_robotocondensed_latin1.init = def (m)
   import lv
   var wd = tasmota.wd   # save current working dir
 
-  lv.font_robotocondensed_latin1 = def (size)
-    return lv.load_font("A:" + wd + "robotocondensed_latin1_" + str(size) + ".bin")
+  class robotocondensed_latin1_loader
+    var wd
+    var font_cache
+    def init(wd)
+      self.wd = wd
+      self.font_cache = {}
+    end
+
+    def load_robotocondensed_latin1(sz)
+      sz = int(sz)
+      var font
+      # is the font already embedded?
+      try
+        font = lv.font_embedded("robotocondensed", sz)
+      except ..
+      end
+      if (font) return font end
+      # is the font in our local cache?
+      font = self.font_cache.find(sz)
+      if (font) return font end
+      # load the font from the archive
+      font = lv.load_font("A:" + wd + "robotocondensed_latin1_" + str(sz) + ".bin")
+      self.font_cache[sz] = font
+      return font
+    end
   end
+
+  var monad = robotocondensed_latin1_loader(wd)
+  lv.font_robotocondensed_latin1 = / sz -> monad.load_robotocondensed_latin1(sz)
 end
 
 return font_robotocondensed_latin1

lib/libesp32_lvgl/LVGL_assets/roboto/robotocondensed_latin1.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+set -x #echo on
+
+rm robotocondensed_latin1.tapp
+zip -j -0 robotocondensed_latin1.zip autoexec.be robotocondensed_latin1.be robotocondensed_latin1_12.bin robotocondensed_latin1_14.bin robotocondensed_latin1_16.bin robotocondensed_latin1_24.bin robotocondensed_latin1_32.bin
+mv robotocondensed_latin1.zip robotocondensed_latin1.tapp