From cde9c3485fa47e09fe3f647750cfccf183a09125 Mon Sep 17 00:00:00 2001
From: mrkubax10 <mrkubax10@onet.pl>
Date: Sat, 2 Mar 2024 22:21:48 +0100
Subject: [PATCH] Save modified characters in project data

---
 canvas.py | 29 ++++++++++++++++++++++++++++-
 main.py   |  2 --
 2 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/canvas.py b/canvas.py
index f1380e5..9ade050 100644
--- a/canvas.py
+++ b/canvas.py
@@ -68,10 +68,36 @@ class EditorCanvas(tkinter.Canvas):
 
 
     def save_char(self):
-        pass
+        if not self.current_char_modified:
+            return
+
+        empty=True
+        for x in range(len(self.current_char_pixels)):
+            if self.current_char_pixels[x]>0:
+                empty=False
+                break
+        if empty:
+            if self.project.does_char_exist(self.current_char):
+                del(self.project.chars[chr(self.current_char)])
+            return
+
+        packed_data=[]
+        bit_counter=0
+        current_value=0
+        for pixel in self.current_char_pixels:
+            current_value|=pixel
+            if bit_counter==8:
+                packed_data.append(current_value)
+                bit_counter=0
+                current_value=0
+            current_value<<=1
+            bit_counter+=1
+
+        self.project.chars[chr(self.current_char)]=base64.b64encode(bytes(packed_data)).decode("ascii")
 
 
     def prev_glyph(self):
+        self.save_char()
         self.current_char-=1
         self.keep_current_char_in_bounds()
         self.load_char()
@@ -79,6 +105,7 @@ class EditorCanvas(tkinter.Canvas):
 
 
     def next_glyph(self):
+        self.save_char()
         self.current_char+=1
         self.keep_current_char_in_bounds()
         self.load_char()
diff --git a/main.py b/main.py
index 184476d..b2eec11 100644
--- a/main.py
+++ b/main.py
@@ -1,6 +1,4 @@
 import os
-import numpy as np
-import cli_ui
 import unicodedata
 from exporter import export