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Implement canvas zoom

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mrkubax10 2024-03-03 17:48:11 +01:00
parent dfde12daa6
commit 6a7cfd0d65
1 changed files with 14 additions and 0 deletions
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14
canvas.py
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@ -1,4 +1,5 @@
import base64 import base64
import platform
import tkinter import tkinter
GRID_COLOR = "#808080" GRID_COLOR = "#808080"
@ -22,6 +23,12 @@ class EditorCanvas(tkinter.Canvas):
self.bind("<Button-1>",self.handle_draw) self.bind("<Button-1>",self.handle_draw)
self.bind("<Button-3>",self.handle_move_start) self.bind("<Button-3>",self.handle_move_start)
self.bind("<B3-Motion>",self.handle_move) self.bind("<B3-Motion>",self.handle_move)
if platform.system()=="Windows" or platform.system()=="Darwin":
self.bind("<MouseWheel>",lambda event: self.handle_zoom(event.delta))
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 draw(self): def draw(self):
@ -68,6 +75,13 @@ class EditorCanvas(tkinter.Canvas):
self.draw() self.draw()
def handle_zoom(self,delta):
self.grid_size+=delta
self.width=self.project.char_res[0]*self.grid_size
self.height=self.project.char_res[1]*self.grid_size
self.draw()
def load_char(self): def load_char(self):
self.current_char_modified=False self.current_char_modified=False
if not self.project.does_char_exist(self.current_char): if not self.project.does_char_exist(self.current_char):