python gif轉字元畫的實現
阿新 • • 發佈：2018-12-31
功能：該程式可將gif圖片匯入並轉換成字元組成的gif。
原理是現將匯入的gif圖片進行分割，逐張圖片獲取灰度並用字元代替，在所有圖片都處理完後重新生成gif圖片並匯出。
由兩個檔案組成，auth為主介面，fine為圖片處理程式。
最後一次測試的執行環境：python3.7 // pycharm2018.2.4
檔案“auth.py”
import sys,fine,os from PyQt5.QtWidgets import (QApplication, QPushButton, QMessageBox, QLabel, QLineEdit, QFileDialog,QWidget ) from PyQt5.QtGui import QCursor,QFont,QMovie,QPalette,QColor,QPixmap from PyQt5.QtCore import Qt,QObject,QThread, pyqtSignal class ui(QWidget): ########## 介面初始化 ################ def __init__(self): super(ui, self).__init__(None,Qt.FramelessWindowHint) self.cinit() self.winit() self.fileName=0 self.bu5.setEnabled(False) def mousePressEvent(self, event): if event.button() == Qt.LeftButton: self.m_flag = True self.m_Position = event.globalPos() - self.pos() # 獲取滑鼠相對視窗的位置 event.accept() def mouseMoveEvent(self, e): if Qt.LeftButton and self.m_flag: self.move(e.globalPos() - self.m_Position) # 更改視窗位置 def mouseReleaseEvent(self, QMouseEvent): self.m_flag = False self.setCursor(QCursor(Qt.ArrowCursor)) def mouseDoubleClickEvent(self, QMouseEvent): return None def winit(self): self.window2 = MyWindow2() # 自定義視窗 self.window2.before_close_signal.connect(self.echo) def cinit(self): lbl1 = QLabel('GIF圖片轉字元', self) lbl1.move(114, 20) lbl1.setFont(QFont("Microsoft YaHei", 13)) lbl2 = QLabel('Made by SWW', self) lbl2.move(270, 230) lbl3 = QLabel('2018/12/4', self) lbl3.move(180, 230) self.lbl4 =QLabel("正在轉換中...",self) self.lbl4.move(124, 189) self.lbl4.hide() self.label = QLabel('', self) self.label.move(146, 140) self.movie = QMovie('pic/waiting2.gif') self.label.setMovie(self.movie) self.movie.start() self.label.hide() self.bu1 = QPushButton('選擇圖片', self) self.bu1.move(282, 86) self.bu1.resize(90, 30) self.bu1.clicked.connect(self.showDialog) self.bu2 = QPushButton('開始轉換', self) self.bu2.move(282, 132) self.bu2.resize(90, 30) self.bu2.clicked.connect(self.bu2_clicked) self.bu3 = QPushButton(self) self.bu3.move(373, 0) self.bu3.resize(14, 14) self.bu3.setWindowOpacity(0.9) # self.bu3.setIcon(QIcon("bu3.png")) self.bu3.setStyleSheet( "QPushButton{background-image: url(pic/bu3.png)}" "QPushButton{border:5px}" "QPushButton:hover{background-image: url(pic/bu3_1.png)}") self.bu3.clicked.connect(self.bu3_clicked) self.bu4 = QPushButton(self) self.bu4.move(350, 0) self.bu4.resize(14, 14) self.bu4.setWindowOpacity(0.9) # self.bu3.setIcon(QIcon("bu4.png")) self.bu4.setStyleSheet( "QPushButton{background-image: url(pic/bu4.png)}" "QPushButton{border:5px}" "QPushButton:hover{background-image: url(pic/bu4_1.png)}") self.bu4.clicked.connect(self.bu4_clicked) self.bu5 = QPushButton("終止轉換",self) self.bu5.move(282, 182) self.bu5.resize(90, 30) self.bu5.clicked.connect(self.bu5_clicked) self.setGeometry(800, 300, 400, 250) self.setWindowOpacity(0.90) self.setWindowFlags(Qt.CustomizeWindowHint| Qt.WindowStaysOnTopHint) self.tex = QLineEdit("", self) self.tex.move(76, 89) self.tex.resize(200, 25) palette1 = QPalette() palette1.setColor(self.backgroundRole(), QColor(255, 255, 255)) self.setPalette(palette1) def bu5_clicked(self): fine.isgoingon = 0 self.lbl4.setText("正在取消操作") def bu3_clicked(self): self.close() def bu4_clicked(self): self.showMinimized() def bu2_clicked(self): fine.isgoingon = 1 if os.path.exists(self.tex.text()): self.tinit() self.bu5.setEnabled(True) else: self.window2.show() def showDialog(self): fileName1, filetype = QFileDialog.getOpenFileName(self, "選取檔案", "C:\\Users\\10698\PycharmProjects\\untitled1\\test", "(*.gif)") # 設定副檔名過濾,注意用雙分號間隔 self.fileName=fileName1 print(fileName1, filetype) self.tex.setText(fileName1) def action_shift(self): self.a = self.tex.text() fine.action(self.a) def thread_exit(self): self.thread.quit() self.label.hide() self.lbl4.hide() self.lbl4.setText("正在轉換中...") self.bu1.setEnabled(True) self.bu2.setEnabled(True) self.bu5.setEnabled(False) ''' def closeEvent(self, event): try: customMsgBox = QMessageBox(self) yesButton = customMsgBox.addButton(self.tr("確定"), QMessageBox.ActionRole) noButton = customMsgBox.addButton(self.tr("取消"), QMessageBox.ActionRole) customMsgBox.setText(self.tr("你確定要退出嗎？")) customMsgBox.setWindowTitle(self.tr("通批警告")) customMsgBox.exec_() button = customMsgBox.clickedButton() if button == yesButton: event.accept() else: event.ignore() except Exception as e: print(e) ''' def tinit(self): # 建立執行緒 self.label.show() self.lbl4.show() self.bu1.setEnabled(False) self.bu2.setEnabled(False) self.backend = BackendThread() self.backend.update_date.connect(self.handleDisplay) self.thread = QThread() self.backend.moveToThread(self.thread) self.thread.started.connect(self.backend.run) self.backend.finished.connect(self.thread_exit) self.thread.start() def handleDisplay(self): print("sss") def echo(self, value): '''顯示對話方塊返回值''' QMessageBox.information(self, "返回值", "得到", QMessageBox.Yes | QMessageBox.No) class MyWindow2(QWidget): before_close_signal = pyqtSignal(int) def __init__(self): super().__init__() lbl6 = QLabel('', self) lbl6.move(0, 0) lbl6.resize(300, 250) pixmap=QPixmap("pic/loginfail.jpg") lbl6.setPixmap(pixmap) lbl6.move(0,18) lbl7 = QLabel('圖片路徑不對哦O(∩_∩)O', self) lbl7.setFont(QFont("Microsoft YaHei", 12)) lbl7.move(15, 272) self.bu3 = QPushButton(self) self.bu3.move(228, 0) self.bu3.resize(14, 14) self.bu3.setWindowOpacity(0.9) # self.bu3.setIcon(QIcon("bu3.png")) self.bu3.setStyleSheet( "QPushButton{background-image: url(pic/bu3.png)}" "QPushButton{border:5px}" "QPushButton:hover{background-image: url(pic/bu3_1.png)}" ) self.bu3.clicked.connect(self.bu3_clicked) self.setWindowTitle('無法開始') self.resize(250, 300) self.setWindowFlags(Qt.CustomizeWindowHint| Qt.WindowStaysOnTopHint) palette1 = QPalette() palette1.setColor(self.backgroundRole(), QColor(255, 255, 255)) self.setPalette(palette1) def bu3_clicked(self): self.close() def mousePressEvent(self, event): if event.button() == Qt.LeftButton: self.m_flag = True self.m_Position = event.globalPos() - self.pos() # 獲取滑鼠相對視窗的位置 event.accept() def mouseMoveEvent(self, e): if Qt.LeftButton and self.m_flag: self.move(e.globalPos() - self.m_Position) # 更改視窗位置 def mouseReleaseEvent(self, QMouseEvent): self.m_flag = False self.setCursor(QCursor(Qt.ArrowCursor)) def mouseDoubleClickEvent(self, QMouseEvent): return None class BackendThread(QObject): finished = pyqtSignal() update_date = pyqtSignal(str) stopped = pyqtSignal() def __init__(self): super().__init__() self.ex = ui # 處理業務邏輯 def run(self): ex.action_shift() self.finished.emit() if __name__ == '__main__': # 建立應用程式和物件 app = QApplication(sys.argv) ex = ui() ex.show() sys.exit(app.exec_())
檔案“fine.py”
from PIL import Image,ImageDraw import os,imageio CUR_PATH = r'imgs' isgoingon = 1 def img_src(filename): gif_img = Image.open(filename) lx = gif_img.tell() gif_img.seek(lx) i=0 try: while True: img_i = deal(gif_img) img_i.save("imgs/img"+str(i)+".png") gif_img.seek(gif_img.tell()+1) i += 1 except EOFError: print("逐幀處理完成！") pass def deal(girf_img): pix=[ "Z", "O", "0", "Q", "L", "C", "J", "U", "Y", "X", "z", "c", "v", "u", "n", "x", "r", "j", "f", "t", "/", "\\","|","?"," - ","_"," + ","~"," < "," > ", ";",": ",", ","`","'","."," "] new_im = girf_img.convert("L") newL = Image.new("L",(new_im.width,new_im.height),255) draw = ImageDraw.Draw(newL) fillColor = "#ff0000" for x in range(0,new_im.width,4): for y in range(0, new_im.height, 4): xy_degree = new_im.getpixel((x,y)) index = int(xy_degree/(256/len(pix))) draw.text((x,y),pix[index],fill=fillColor) return newL def img_created(): files = os.listdir("imgs") for i in range(len(files)): im = Image.open("imgs/img"+str(i)+".png") (x, y) = im.size # read image size x_s = 800 # define standard width y_s = y * x_s / x # calc height based on standard width out = im.resize((int(x_s), int(y_s)), Image.ANTIALIAS) # resize image with high-quality out.save("imgs/img"+str(i)+".png") print(len(files)) frames = [] for i in range(len(files)): frames.append(imageio.imread("imgs/img"+str(i)+".png")) imageio.mimsave("final.gif",frames,'GIF',duration = 0.15) print("gif已生成") def del_file(path): ls = os.listdir(path) for i in ls: c_path = os.path.join(path, i) os.remove(c_path) def show(): os.startfile("final.gif") def action(filename): path =os.getcwd() if not os.path.exists(path+"\imgs"): os.mkdir("imgs") if ifgoing() == 0: return del_file("imgs") if ifgoing() == 0: return img_src(filename) if ifgoing() == 0: return img_created() if ifgoing() == 0: return show() def ifgoing(): if isgoingon == 1: return 1 else : return 0