fonteditor/project.py

42 lines
1.4 KiB
Python

import json
class Project:
def __init__(self):
self.chars={}
self.char_res=(0,0)
self.path=None
self.loaded=False
def load(self,path):
with open(path, "r") 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")
if not isinstance(project_data["char_width"],int) or not isinstance(project_data["char_height"],int):
raise AttributeError("Invalid character metrics type, expected int")
if not "chars" in project_data:
raise AttributeError("Character data not found")
if not isinstance(project_data["chars"],dict):
raise AttributeError("Invalid character data type, expected object")
self.chars=project_data["chars"]
self.char_res=(project_data["char_width"],project_data["char_height"])
self.path=path
self.loaded=True
def save(self,path):
# save project data to file
with open(path, "w") as f:
json.dump({
"char_width": self.char_res[0],
"char_height": self.char_res[1],
"chars": self.chars
}, f, indent=4)
self.path=path
self.loaded=True
def does_char_exist(self,c):
return chr(c) in self.chars