updated project saving

.gitignore

@@ -1,6 +1,7 @@
 __pycache__/
-exports/*
-last_path_cache.txt
-*.fontproj
-test export/
 .vscode/
+
+last_path_cache.txt
+guide_values.txt
+
+*.fontproj

canvas.py

@@ -1,15 +1,15 @@
 import base64
-import platform
 import tkinter
+import clipboard
 
 GRID_COLOR = "#808080"
-GRID_GUIDE_COLOR = (128, 128, 255)
+GRID_GUIDE_COLOR = "#51bbfe"
 
 class EditorCanvas(tkinter.Canvas):
     def __init__(self,project,*args,**kwargs):
         super().__init__(*args,**kwargs)
         self.project=project
-        self.grid_size = 32
+        self.grid_size = 64
         self.current_char=33
         self.current_char_pixels=[]
         self.current_char_modified=False
@@ -19,30 +19,32 @@ class EditorCanvas(tkinter.Canvas):
         self.prev_mouse_y=0
         self.view_x=0
         self.view_y=0
+        self.draw_color = 0
+        self.guide_pos = ()
+
+        self.bind("<Button-1>",self.handle_draw_start)
         self.bind("<B1-Motion>",self.handle_draw)
-        self.bind("<Button-1>",self.handle_draw)
+
         self.bind("<Button-2>",self.handle_move_start)
         self.bind("<B2-Motion>",self.handle_move)
-        self.bind("<Button-3>",self.handle_erase)
-        self.bind("<B3-Motion>",self.handle_erase)
-        if platform.system()=="Windows" or platform.system()=="Darwin":
-            self.bind("<MouseWheel>",lambda event: self.handle_zoom(event.delta//120))
-        else:
-            # This will probably work only on X11
-            self.bind("<Button-4>",lambda _: self.handle_zoom(1))
-            self.bind("<Button-5>",lambda _: self.handle_zoom(-1))
 
+    def set_guide_pos(self, pos):
+        self.guide_pos = pos
+        self.draw()
 
     def draw(self):
         self.delete("all")
 
         # draw grid
         for x in range(self.project.char_res[0] + 1):
-            x = x * self.grid_size+self.view_x
+            x = x * self.grid_size + self.view_x
             self.create_line((x,self.view_y),(x,self.view_y+self.height),width=1,fill=GRID_COLOR)
+
         for y in range(self.project.char_res[1] + 1):
-            y = y * self.grid_size+self.view_y
-            self.create_line((self.view_x,y),(self.view_x+self.width,y),width=1,fill=GRID_COLOR)
+            temp_color = GRID_GUIDE_COLOR if y in self.guide_pos else GRID_COLOR
+
+            y = y * self.grid_size + self.view_y
+            self.create_line((self.view_x,y),(self.view_x+self.width,y),width=1,fill=temp_color)
 
         if self.project.does_char_exist(self.current_char) or self.current_char_modified:
             for i in range(len(self.current_char_pixels)):
@@ -55,13 +57,22 @@ class EditorCanvas(tkinter.Canvas):
             self.create_line((self.view_x+self.width,self.view_y),(self.view_x,self.view_y+self.height),width=3,fill="red")
 
 
-    def handle_draw(self,event):
-        pixel_pos=self.cursor_pos_to_pixel((event.x,event.y))
+    def handle_draw_start(self,event):
+        pixel_pos = self.cursor_pos_to_pixel((event.x,event.y))
         if not pixel_pos:
             return
-        self.current_char_modified=True
-        self.project.modified=True
-        self.current_char_pixels[pixel_pos[0]*self.project.char_res[1]+pixel_pos[1]]=1
+        self.draw_color = 1 - self.current_char_pixels[pixel_pos[0]*self.project.char_res[1]+pixel_pos[1]]
+
+        self.handle_draw(event)
+
+
+    def handle_draw(self,event):
+        pixel_pos = self.cursor_pos_to_pixel((event.x,event.y))
+        if not pixel_pos:
+            return
+        self.current_char_modified = True
+        self.project.modified = True
+        self.current_char_pixels[pixel_pos[0]*self.project.char_res[1]+pixel_pos[1]] = self.draw_color
         self.draw()
 
 
@@ -78,18 +89,12 @@ class EditorCanvas(tkinter.Canvas):
         self.draw()
 
 
-    def handle_erase(self,event):
-        pixel_pos=self.cursor_pos_to_pixel((event.x,event.y))
-        if not pixel_pos:
-            return
-        self.current_char_modified=True
-        self.project.modified=True
-        self.current_char_pixels[pixel_pos[0]*self.project.char_res[1]+pixel_pos[1]]=0
-        self.draw()
-
-
-    def handle_zoom(self,delta):
-        self.grid_size+=delta
+    def zoom_by(self,amount):
+        self.grid_size+=amount
+        if self.grid_size<12:
+            self.grid_size=12
+        elif self.grid_size>102:
+            self.grid_size=102
         self.width=self.project.char_res[0]*self.grid_size
         self.height=self.project.char_res[1]*self.grid_size
         self.draw()
@@ -174,3 +179,5 @@ class EditorCanvas(tkinter.Canvas):
         self.current_char_pixels=[0 for _ in range(self.project.char_res[0]*self.project.char_res[1])]
         self.load_char()
 
+    def copy_char(self):
+        clipboard.copy(chr(self.current_char))

main.py

@@ -1,4 +1,5 @@
 import os
+import platform
 import tkinter.filedialog
 import unicodedata
 
@@ -15,6 +16,8 @@ WINDOW_SIZE = (
 cross_color = (255, 60, 25)
 pixel_color = (255,) * 3
 
+bg_col = "#1e1e1e"
+
 ##################
 
 project=Project()
@@ -191,7 +194,7 @@ def button_glyph_search_click():
 
 
 def number_only_validate(val):
-    return val.isdigit()
+    return val.isdigit() or val==""
 
 
 def hex_only_validate(val):
@@ -208,13 +211,26 @@ def update_glyph_preview():
     canvas_preview.delete("all")
     canvas_preview.create_text((50,100),text=chr(canvas_editor.current_char),fill="white",font="tkDefaultFont 70")
     name=unicodedata.name(chr(canvas_editor.current_char),"unknown")
-    label_glyph_name.config(text=f"{name} U+{canvas_editor.current_char:04x}")
+    label_glyph_name.config(text=f"{canvas_editor.current_char}\n{name}\nU+{canvas_editor.current_char:04x}")
+
+
+def canvas_editor_handle_scroll(delta):
+    global canvas_editor
+    global project
+    if not project.loaded:
+        return
+    if delta>0:
+        canvas_editor.prev_glyph()
+    else:
+        canvas_editor.next_glyph()
+    update_glyph_preview()
 
 
 window=tkinter.Tk()
 window.title("fonteditor")
 window.geometry(f"{WINDOW_SIZE[0]}x{WINDOW_SIZE[1]}")
 
+
 menubar=tkinter.Menu(window)
 menu_file=tkinter.Menu(menubar,tearoff=False)
 menu_file.add_command(label="New project",command=menu_file_new_project_click)
@@ -225,21 +241,111 @@ menu_file.add_command(label="Save project as",command=lambda: save_project(True)
 menu_export=tkinter.Menu(menubar,tearoff=False)
 menu_export.add_command(label="Export",command=lambda: export_project(False))
 menu_export.add_command(label="Export as",command=lambda: export_project(True))
+menu_view=tkinter.Menu(menubar,tearoff=False)
+menu_view.add_command(label="Zoom in",command=lambda: canvas_editor.zoom_by(10))
+menu_view.add_command(label="Zoom out",command=lambda: canvas_editor.zoom_by(-10))
 menubar.add_cascade(label="File",menu=menu_file)
 menubar.add_cascade(label="Export",menu=menu_export)
+menubar.add_cascade(label="View",menu=menu_view)
 
 canvas_editor=EditorCanvas(project,window,bg="black")
 canvas_editor.pack(side="left",fill="both",expand=True)
+if platform.system()=="Windows" or platform.system()=="Darwin":
+    canvas_editor.bind("<MouseWheel>",lambda event: canvas_editor_handle_scroll(event.delta))
+else:
+    # This will probably work only on X11
+    canvas_editor.bind("<Button-4>",lambda _: canvas_editor_handle_scroll(1))
+    canvas_editor.bind("<Button-5>",lambda _: canvas_editor_handle_scroll(-1))
 
-frame_controls=tkinter.Frame(window)
+
+
+#### Guide pos ####
+
+frame_label_guide_pos = tkinter.Frame(window, bg=bg_col)
+frame_label_guide_pos.pack(side="right")
+
+label_1 = tkinter.Label(frame_label_guide_pos, text="Guide 1 Y", bg=bg_col, fg="#ffffff").pack(side="top")
+entry_1 = tkinter.Entry(frame_label_guide_pos, validate="all", validatecommand=((window.register(number_only_validate)),"%P"))
+entry_1.pack(side="top", pady=2)
+
+label_2 = tkinter.Label(frame_label_guide_pos, text="Guide 2 Y", bg=bg_col, fg="#ffffff").pack(side="top")
+entry_2 = tkinter.Entry(frame_label_guide_pos, validate="all", validatecommand=((window.register(number_only_validate)),"%P"))
+entry_2.pack(side="top", pady=2)
+
+label_3 = tkinter.Label(frame_label_guide_pos, text="Guide 3 Y", bg=bg_col, fg="#ffffff").pack(side="top")
+entry_3 = tkinter.Entry(frame_label_guide_pos, validate="all", validatecommand=((window.register(number_only_validate)),"%P"))
+entry_3.pack(side="top", pady=2)
+
+
+## load last values
+cwd = os.path.dirname(os.path.realpath(__file__))
+guide_vals_path = os.path.join(cwd, "guide_values.txt")
+
+
+def get_guide_entries():
+    return (
+        int(entry_1.get()), 
+        int(entry_2.get()),
+        int(entry_3.get())
+    )
+
+
+def update_guide_pos(pos, dont_save=False):
+    canvas_editor.set_guide_pos(pos)
+
+    if dont_save:
+        return
+    
+    with open(guide_vals_path, "w") as f:
+        f.write(f"{entry_1.get()}\n{entry_2.get()}\n{entry_3.get()}")
+
+
+if os.path.exists(guide_vals_path):
+    with open(guide_vals_path, "r") as f:
+        lines = f.readlines()
+        entry_1.insert(0, lines[0].strip())
+        entry_2.insert(0, lines[1].strip())
+        entry_3.insert(0, lines[2].strip())
+
+    update_guide_pos(get_guide_entries(), dont_save=True)
+
+else:
+    entry_1.insert(0, str(3))
+    entry_2.insert(0, str(5))
+    entry_3.insert(0, str(10))
+
+    update_guide_pos(get_guide_entries())
+
+
+set_button = tkinter.Button(
+    frame_label_guide_pos, 
+    text="Set", 
+    command=lambda: update_guide_pos(get_guide_entries())
+).pack(side="top", pady=[5, 30])
+
+
+#### Copy ####
+
+frame = tkinter.Frame(frame_label_guide_pos, bg=bg_col)
+frame.pack(side="right")
+
+copy_button = tkinter.Button(frame, text="Copy", command=canvas_editor.copy_char)
+copy_button.pack(side="top", pady=5)
+
+
+#### Preview ####
+frame_controls=tkinter.Frame(frame, bg=bg_col)
 frame_controls.pack(side="right")
 
 canvas_preview=tkinter.Canvas(frame_controls,width=100,height=200,bg="black")
 canvas_preview.pack(side="top")
 
-label_glyph_name=tkinter.Label(frame_controls)
+label_glyph_name=tkinter.Label(frame_controls, bg=bg_col, fg="#ffffff")
 label_glyph_name.pack(side="top")
 
+
+#### Navigation ####
+
 frame_nav=tkinter.Frame(frame_controls)
 frame_nav.pack(side="top",pady=10)
 
@@ -249,6 +355,9 @@ button_prev_glyph.pack(side="left")
 button_next_glyph=tkinter.Button(frame_nav,width=10,text="Next",command=button_next_glyph_click)
 button_next_glyph.pack(side="left")
 
+
+#### Glyph search ####
+
 frame_glyph_id=tkinter.Frame(frame_controls)
 frame_glyph_id.pack(side="top",pady=10)
 
@@ -258,5 +367,5 @@ entry_glyph_id.pack(side="left")
 button_glyph_search=tkinter.Button(frame_glyph_id,width=10,text="Search",command=button_glyph_search_click)
 button_glyph_search.pack(side="left")
 
-window.config(menu=menubar)
+window.config(menu=menubar, bg=bg_col)
 window.mainloop()

project.py

@@ -19,7 +19,7 @@ class Project:
 
 
     def load(self,path):
-        with open(path, "r") as f:
+        with open(path, "r", encoding="utf-8") as f:
             project_data = json.load(f)
             if not "char_width" in project_data or not "char_height" in project_data:
                 raise AttributeError("Character metrics information not found")
@@ -37,12 +37,12 @@ class Project:
 
     def save(self,path):
         # save project data to file
-        with open(path, "w") as f:
+        with open(path, "w", encoding="utf-8") as f:
             json.dump({
                 "char_width": self.char_res[0],
                 "char_height": self.char_res[1],
                 "chars": self.chars
-            }, f, indent=4)
+            }, f, indent=4, ensure_ascii=False)
         self.path=path
         self.loaded=True