我正在尝试制作一个适用于图像的进度条(空背景进度条图像和填充图像)但是,当我尝试这样做时有两个问题。这是我的代码。from kivy.app import Appfrom kivy.uix.progressbar import ProgressBarfrom kivy.uix.image import Imagefrom kivy.core.text import Label as CoreLabelfrom kivy.graphics import Color, Rectanglefrom kivy.lang.builder import Builderfrom kivy.clock import Clockclass CLS_PROGRESS_BAR(ProgressBar): def __init__(self, background=None, progress_image=None, font_size=20, **kwargs): super(CLS_PROGRESS_BAR, self).__init__(**kwargs) self.background = background self.progress_image = progress_image self.progress_event = None self.font_size= font_size self.label = CoreLabel(text="0%", font_size=self.font_size) self.texture_size = None self.refresh_text() self.draw() self.progress_event = Clock.schedule_interval(self._progress, 0.5) def draw(self): with self.canvas: self.canvas.clear() # Background Image(source=self.background, pos=self.pos, size=self.size) # Draw Progress bar Image(source=self.progress_image,pos=self.pos, size=(0.001 if self.value_normalized==0 else self.size[0]*self.value_normalized, self.size[1]),第一个问题是,当进程更新时,它从某处随机显示一个白色矩形。当我删除时,那个白色矩形不会出现,Image(source=self.background, pos=self.pos, size=self.size)但我仍然无法弄清楚我应该做什么,因为它是必不可少的。第二个问题是当进度条向右拉伸时,它的高度也会增加。size=(0.001 if self.value_normalized==0 else self.size[0]*self.value_normalized, self.size[1])如上所述,我已经设置了size[1]作为self.size[1]被固定。但是,进度条的高度不断增加。(即使我放了一个静态数字100)
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