#coding=utf-8import os ,threadingfrom PIL import Imageimport subprocessimport jsonclass ImgManager(object): thread_lock = threading.Lock() @classmethod def sharedinstance(cls): with ImgManager.thread_lock: if not hasattr(ImgManager,"instance"): ImgManager.instance = ImgManager() return ImgManager.instance # 运行shell命令 def runshellCMD(self,cmd,dsr): progress = subprocess.Popen(cmd,shell=True) progress.wait() result = progress.returncode if result !=0: print("%s失败"%(dsr)) else: print("%s成功"%(dsr)) #创建图片 def createImg(self,model): path = '%s/AppStore.png'%(os.getcwd()) currentPath = "%s/Images/%s"%(os.getcwd(),model.filename) print(currentPath) im = Image.open(path,'r') # w,h=im.size # print("%s,%s"%(str(w),str(h))) # im.thumbnail((float(model.get_wh()),float(model.get_wh()))) if model.filename.endswith('.png'): im.save("%s" % (currentPath),"png") else: # self.runshellCMD("sudo cp %s %s" % (path, currentPath), "拷贝") self.addTransparency(im) im.save("%s" % (currentPath), "jpeg") # r, g, b, alpha = im.split() # print("%s"%(str(im.split()[0])))#修改透明度 def addTransparency(img, factor=0.0): img = img.convert('RGBA') img_blender = Image.new('RGBA', img.size, (0, 0, 256, 256)) img = Image.blend(img_blender, img, factor) return img#解析Contents.json，这个文件每一个Images.xcassets 的AppIcon文件夹都有，直接复用就可以了 def handle_icon_images(self): jsonpath = os.getcwd() +"/Contents.json" if not os.path.exists(jsonpath): print("Contents.json path not exite") return with open(jsonpath,'r') as f: jsonstr = f.read() modle = json.loads(jsonstr) arrs = modle['images'] # print(arrs) icon_models=[] for obj in arrs: size=obj["size"] idiom=obj["idiom"] filename=obj["filename"] scale=obj["scale"] icom =iconImg(size=size,idiom=idiom,filename=filename,scale=scale) # icon_models.append(icom) self.createImg(icom) """ "size" : "29x29", "idiom" : "iphone", "filename" : "Icon-Small@3x.png", "scale" : "3x" """ #json 数据里面有效数据的类class iconImg(object): def __init__(self,size,idiom,filename,scale): self.size = size self.idiom = idiom self.filename = filename self.scale = scale def show(self): print("%s,%s,%s,%s"%(self.size,self.idiom,self.filename,self.scale)) def get_wh(self): return (float(self.size.split('x')[0]))*(float(self.scale.split('x')[0]))if __name__ == '__main__': ImgManager.sharedinstance().handle_icon_images() 
