Python3画图实例2例

# -*- coding: utf-8 -*- #画多啦A梦叮当猫，按dlam.html改编。 # 分析： # 叮当猫由头、脸、眼、眼珠、鼻子、嘴、胡子、项带、铃当、身子、围嘴、手臂、手、脚组成。 # 其中：头、脸、眼、眼珠、鼻子、嘴、胡子组成一个部件；其余元件组成一个部件。 import math import sys from PyQt5.QtCore import * from PyQt5.QtGui import * from PyQt5.QtWidgets import * class Shape: # 图形基类(叮当猫各部件（形状）共有的属性) def __init__(self, qp, QRect, QColor=QColor("#07bbee")): # 构造方法参数：形状，位置坐标，颜色, color="#07bbee" self.qp = qp #qpainter()的实例 self.rect = QRect # 坐标（x1, y1, x2, y2） self.color = QColor #颜色 self.qp.setPen(QPen(Qt.black, 3)) #边线 class Liner: #直线类 def __init__(self, qp, QRect): self.qp = qp self.rect = QRect self.width = 1 class Arc: #弧线类 def __init__(self, qp, QRect, startAngle, spanAngle): self.qp = qp self.rect = QRect self.startAngle = startAngle self.spanAngle = spanAngle class eyeball(Shape): #眼珠 def draw(self): self.qp.setBrush(self.color) #设置画刷 self.qp.drawEllipse(self.rect) #画圆形x,y,w,h 120, 25, 160, 160 class mouth(Arc): def draw(self): self.qp.drawArc(self.rect,self.startAngle,self.spanAngle) #后面两个参数分别为 起始角与跨度角 class beard(Liner): #中央竖线 def draw(self): self.qp.drawLine(self.rect) class Beards: #胡须组合 def __init__(self, qp, start_point): # w,h 宽、高 self.qp = qp # self.start_point = start_point #起始坐标 self.bd0 = beard(self.qp, self.bd0_cacu()) self.bd1 = beard(self.qp, self.bd1_cacu()) self.bd2 = beard(self.qp, self.bd2_cacu()) self.bd00 = beard(self.qp, self.bd00_cacu()) self.bd11 = beard(self.qp, self.bd11_cacu()) self.bd22 = beard(self.qp, self.bd22_cacu()) def draw(self): # 绘制 self.bd1.draw() self.bd0.draw() self.bd2.draw() self.bd11.draw() self.bd00.draw() self.bd22.draw() def bd0_cacu(self): # 计算胡须的坐标 x1 = self.start_point[0] - 40 y1 = self.start_point[1] - 5 x2 = x1 - 58 y2 = y1 - 20 return QLineF(x1, y1, x2, y2) def bd1_cacu(self): # 计算中间胡须的坐标 x1 = self.start_point[0] - 40 y1 = self.start_point[1] + 5 x2 = x1 -65 y2 = y1 return QLineF(x1, y1, x2, y2) def bd2_cacu(self): # 计算胡须的坐标 x1 = self.start_point[0] - 40 y1 = self.start_point[1] + 15 x2 = x1 -58 y2 = y1 + 20 return QLineF(x1, y1, x2, y2) def bd00_cacu(self): # 计算胡须的坐标 x1 = self.start_point[0] + 40 y1 = self.start_point[1] - 5 x2 = x1 + 58 y2 = y1 - 20 return QLineF(x1, y1, x2, y2) def bd11_cacu(self): # 计算胡须的坐标 x1 = self.start_point[0] + 40 y1 = self.start_point[1] + 5 x2 = x1 + 65 y2 = y1 return QLineF(x1, y1, x2, y2) def bd22_cacu(self): # 计算胡须的坐标 x1 = self.start_point[0] + 40 y1 = self.start_point[1] + 15 x2 = x1 + 58 y2 = y1 + 20 return QLineF(x1, y1, x2, y2) class head(Shape): # 头 def draw(self): ##实例：x1，y1，x2，y2，即渐变的起始点和终止点 linearGradient = QLinearGradient(420, 0, 100, 280) #线性渐变色的效果，以整个图形区间为100%， #分成多段设置颜色，各颜色按百分比分配。 linearGradient.setColorAt(0.1, Qt.white) #10%处白色 linearGradient.setColorAt(0.2, self.color) #60%处绿色 #07bbee linearGradient.setColorAt(0.8, self.color) #60%处绿色 #07bbee linearGradient.setColorAt(1.0, Qt.black) #100%处黑色 self.qp.setBrush(linearGradient) #设置画刷 # self.qp.setBrush(self.color) # qp.drawRoundedRect(120, 25, 160, 160, 40, 40, Qt.RelativeSize) #画圆角矩形x1,y1,x2,y2,圆角的角度 self.qp.drawEllipse(self.rect) #画圆形x,y,w,h 120, 25, 160, 160 class nose(Shape): #鼻子 def draw(self): RadialGradient = QRadialGradient(265, 144, 6, 265, 144) #辐射渐变 #参数分别为中心坐标，半径长度和焦点坐标, #如果需要对称那么中心坐标和焦点坐标要一致 #c93300 #辐射渐变色的效果，以整个图形区间为100%， #分成多段设置颜色，各颜色按百分比分配。 RadialGradient.setColorAt(0.0, Qt.white) #10%处白色 RadialGradient.setColorAt(1.0, self.color) #60%处绿色 #07bbee # RadialGradient.setColorAt(1.0, Qt.black) #100%处黑色 self.qp.setPen(QPen(Qt.black, 2)) #边线 self.qp.setBrush(RadialGradient) #设置画刷 self.qp.drawRoundedRect(self.rect, 80, 80, Qt.RelativeSize) #画圆角矩形x,y,w,h,圆角的角度 class face(Shape): def draw(self): self.qp.setPen(Qt.NoPen) #无边线 self.qp.setBrush(self.color) #设置画刷 self.qp.drawEllipse(self.rect) #画圆形x,y,w,h 120, 25, 160, 160 class eye(Shape): #眼框 def draw(self): self.qp.setBrush(self.color) #设置画刷 self.qp.drawRoundedRect(self.rect, 90, 90, Qt.RelativeSize) #画圆角矩形x1,y1,x2,y2,圆角的角度 class Heads: # 头部整体（组合头、脸、眼、鼻、嘴、胡子） def __init__(self, qp, start_point,w, h): # w,h是帽子的宽、高 self.qp = qp # self.start_point = start_point #起始坐标 self.w = w self.h = h self.hd = head(self.qp, self.hd_cacu(), QColor('#07bbee')) # 例化头 self.fc = face(self.qp, self.fc_cacu(), Qt.white) #脸 self.nos = nose(self.qp, self.nos_cacu(), QColor("#c93300")) #鼻子 self.eye0 = eye(self.qp, self.ey0_cacu(), Qt.white) # 实例化眼0 self.eye1 = eye(self.qp, self.ey1_cacu(), Qt.white) #眼1 self.bds = Beards(self.qp, (260, 185)) #胡须组合的起始位置 self.bd = beard(self.qp, self.bd_cacu()) #中央竖线 self.mt = mouth(self.qp, self.mt_cacu(), 230 * 16, 80 * 16) #弧线的起始角度, 弧线角度（角度*16） self.mt2 = mouth(self.qp, self.mt2_cacu(), 230 * 16, 80 * 16) #弧线的起始角度, 弧线角度（角度*16） self.eb0 = eyeball(self.qp, self.eb0_cacu(), Qt.black) #眼珠0 self.eb1 = eyeball(self.qp, self.eb1_cacu(), Qt.black) #眼珠1 def draw(self): # 绘制 self.hd.draw() #调用头方法绘制 self.fc.draw() # 调用脸方法绘制 self.nos.draw() # 调用底部方法绘制 self.eye0.draw() self.eye1.draw() self.bds.draw() self.bd.draw() #调用头方法绘制 self.mt.draw() self.mt2.draw() self.eb0.draw() #眼珠 self.eb1.draw() def eb0_cacu(self): # 计算眼珠的坐标 x = self.start_point[0] + self.w / 2 - 25 y = self.start_point[1] + 70 w = 12 h = 12 return QRect(x, y, w, h) def eb1_ca