# Vector Graphics Library # vgllib.py import pygame import uuid import time import threading import copy class Aux(): def gettime(): return round(time.time(), 1) def getprogress(task): return (Aux.gettime() - task["start"] / task["duration"]) def tuple_scale(tup, mul): return (tup[0]*mul, tup[1]*mul) def pixelizer(arg, base): if not isinstance(base, tuple): base = base.size if isinstance(arg, int): return arg * base else: if len(arg) == 2: return (round(arg[0] * base[0]), round(arg[1] * base[1])) if len(arg) == 4: return (round(arg[0] * base[0]), round(arg[1] * base[1]), round(arg[2] * base[0]), round(arg[3] * base[1])) def eventproc(events_dict, event): """events = { "cursor": { "position": (15,12), "relative": (13,11), "poscale": (0.1,0.5), "relscale": (0.05,0.1), }, "wheel": 1, # 远离用户为 1, 靠近为 -1, 无动作为 0 "click": [1, 2], # 被按下的按钮 "focus": 1, # 或 0 "key": ["ctrl", "k"] }""" if event.type == pygame.MOUSEMOTION: events_dict.setdefault("cursor", {})["position"] = event.pos events_dict.setdefault("cursor", {})["relative"] = event.rel events_dict.setdefault("cursor", {})["poscale"] = (event.pos[0] / screen_width, event.pos[1] / screen_height) events_dict.setdefault("cursor", {})["relscale"] = (event.rel[0] / screen_width, event.rel[1] / screen_height) elif event.type == pygame.MOUSEWHEEL: if "wheel" not in events_dict: events_dict["wheel"] = 0 events_dict["wheel"] += event.y # 远离用户为正，靠近为负 elif event.type == pygame.MOUSEBUTTONDOWN: events_dict.setdefault("click", []).append(event.button) elif event.type == pygame.MOUSEBUTTONUP: if "click" in events_dict and event.button in events_dict["click"]: events_dict["click"].remove(event.button) elif event.type == pygame.WINDOWEVENT and hasattr(pygame, 'WINDOWEVENT_FOCUS_GAINED') and event.event == pygame.WINDOWEVENT_FOCUS_GAINED: events_dict["focus"] = 1 elif event.type == pygame.WINDOWEVENT and hasattr(pygame, 'WINDOWEVENT_FOCUS_LOST') and event.event == pygame.WINDOWEVENT_FOCUS_LOST: events_dict["focus"] = 0 elif event.type == pygame.KEYDOWN: keys = events_dict.setdefault("key", []) key_name = pygame.key.name(event.key).lower() # 简单的修饰键处理，可以根据需要扩展 if key_name in ["left ctrl", "right ctrl"]: if "ctrl" not in keys: keys.append("ctrl") elif key_name in ["left shift", "right shift"]: if "shift" not in keys: keys.append("shift") elif key_name in ["left alt", "right alt"]: if "alt" not in keys: keys.append("alt") elif len(key_name) == 1: # 处理字母和数字 keys.append(key_name) elif event.type == pygame.KEYUP: if "key" in events_dict: key_name = pygame.key.name(event.key).lower() if key_name in ["left ctrl", "right ctrl"] and "ctrl" in events_dict["key"]: events_dict["key"].remove("ctrl") elif key_name in ["left shift", "right shift"] and "shift" in events_dict["key"]: events_dict["key"].remove("shift") elif key_name in ["left alt", "right alt"] and "alt" in events_dict["key"]: events_dict["key"].remove("alt") elif len(key_name) == 1 and key_name in events_dict["key"]: events_dict["key"].remove(key_name) else: print("不重要事件") return 0 return 1 class Element(object): is_hide = False is_template = True attached = None attached_frame = None attached_window = None tasks = dict() def __init__(self, name="Element"): self.name = name def attach(self, frame_object, clone_name=""): if clone_name == "": clone_name = str(uuid.uuid4()) clone = copy.deepcopy(self) clone.is_template = False frame_object.elements[clone_name] = clone clone.attached_frame = frame_object clone.attached_window = frame_object.attached_window return clone def teleport(self, delta: tuple): if not self.is_template: pass def add_task(self, group, start_time, duration, **kwargs): if group not in self.tasks(): self.tasks[group] = list() self.tasks[group].append({"start": start_time, "duration":duration, "para":kwargs}) def render(): print("未配置渲染器") pass def update(): pass class Frame(object): surface = None elements = dict() is_hide = False is_template = True attached_window = None poscale: tuple = (0, 0) # 左上角, 对于每个实例的位置矢量 def __init__(self, name="Frame"): self.name = name def attach(self, window_object, poscale, clone_name=""): if clone_name == "": clone_name = str(uuid.uuid4()) clone = copy.deepcopy(self) clone.surface = pygame.Surface(window_object.size) clone.poscale = poscale clone.is_template = False clone.attached_window = window_object window_object.frames[clone_name] = clone return window_object.frames[clone_name] def render(self): for i in self.elements.values(): i.render() self.attached_window.screen.blit(self.surface, self.poscale) class Window(object): frames = dict() events = { "cursor": { "position": (15,12), "relative": (13,11), "poscale": (0.1,0.5), "relscale": (0.05,0.1), }, "wheel": 1, # 远离用户为 1, 靠近为 -1, 无动作为 0 "click": [1, 2], # 被按下的按钮 "focus": 1, # 或 0 "key": ["ctrl", "k"] } def __init__(self, title="Vector Graphic Layer Window", size: tuple=(1024,768)): self.title = title self.size = size self.running = 1 pygame.init() self.screen = pygame.display.set_mode(size) pygame.display.set_caption(title) def set_title(self, title): self.title = title pygame.display.set_caption(title) def start(self): self.thr = threading.Thread(target=self.main_loop, name="main_loop") self.thr.start() def kill(self): self.running = 0 def main_loop(self): while self.running: for event in pygame.event.get(): if event.type == pygame.QUIT: self.running = 0 if_matters = Aux.eventproc(self.events, event.type) if if_matters: pass # 消息式调用 for i in self.frames.values(): i.render() pygame.display.flip() pygame.time.delay(10) pygame.quit() def observer(self): def decorator(func): def wrapper(*args, **kwargs): print("注册观察者") result = func(info=self.event, *args, **kwargs) # 调用原始函数 return result return wrapper return decorator