def show_frame(self): frame = cv2.flip(self._engine.canvas, 1) cv2image = cv2.cvtColor(frame, cv2.COLOR_BGR2RGBA) img = Image.fromarray(cv2image) imgtk = ImageTk.PhotoImage(image=img) self._lmain.imgtk = imgtk self._lmain.configure(image=imgtk) self._lmain.after(10, self.show_frame)
def cv2ImgAddText(self, img, text, left, top, textColor=(0, 255, 0), textSize=20): if (isinstance(img, numpy.ndarray)): # 判断是否OpenCV图片类型 img = Image.fromarray(cv2.cvtColor(img, cv2.COLOR_BGR2RGB)) # 创建一个可以在给定图像上绘图的对象 draw = ImageDraw.Draw(img) # 字体的格式 fontStyle = ImageFont.truetype("font/simsun.ttc", textSize, encoding="utf-8") # 绘制文本 draw.text((left, top), text, textColor, font=fontStyle) # 转换回OpenCV格式 return cv2.cvtColor(numpy.asarray(img), cv2.COLOR_RGB2BGR)