本文实例为大家分享了python自动化生成IOS的图标，供大家参考，具体内容如下
每次上架之前都要生成十几个图片感觉无聊麻烦，考虑使用脚本处理
脚本使用python 和一部分shell 处理的，python部分主要是使用PIL库处理图片，和调用shell脚本，shell 主要是操作文件
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#coding=utf-8
import os ,threading
from PIL import Image
import subprocess
import json
class 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()
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/bobbob32/article/details/80291277