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__doc__="""
输入：一个 1024*1024 的 png 图片
输出： AppIconxxxxx.appiconset 目录，包含 iPhone 和 iPad 所需的 App Icons
"""
import os,sys
import imghdr
import json
import random,shutil
from PIL import Image,ImageFile
class FileSet:
def __init__(self,filename,scale):
self.filename = filename
self.scale = scale
@classmethod
def fileset(cls,scale,size,prefix):
filename = "{}.{}.{}.png".format(size,scale,prefix)
file_set = FileSet(filename,scale)
return file_set
class ImageSet:
def __init__(self,size,idiom,filesets):
self.size = size
self.idiom = idiom
self.filesets = filesets
def json_desc(self):
descs = []
for fileset in self.filesets:
json_dict = {"size":"{}x{}".format(self.size,self.size),
"idiom":self.idiom,
"filename":fileset.filename,
"scale":"{}x".format(fileset.scale)}
descs.append(json_dict)
return descs
@classmethod
def iPhone_set(cls,size,filesets):
return ImageSet(size,'iphone',filesets)
@classmethod
def iPad_set(cls,size,filesets):
return ImageSet(size,'ipad',filesets)
@classmethod
def market_set(cls,file_prefix=''):
size = 1024
return ImageSet(size,idiom='ios-marketing',filesets=[FileSet.fileset(1,size,file_prefix)])
def get_img_sets(iPad=False,iPhone=False,file_prefix=''):
img_sets = []
if iPad:
for size in [20,29,40,76]:
file_sets = [FileSet.fileset(2,size,file_prefix),FileSet.fileset(1,size,file_prefix)]
one_set = ImageSet.iPad_set(size,file_sets)
img_sets.append(one_set)
img_sets.append(ImageSet.iPad_set(83.5,[FileSet.fileset(2,83.5,file_prefix)]))
if iPhone:
for size in [20,29,40,60]:
file_sets = [FileSet.fileset(2,size,file_prefix),FileSet.fileset(3,size,file_prefix)]
one_set = ImageSet.iPhone_set(size,file_sets)
img_sets.append(one_set)
img_sets.append(ImageSet.market_set(file_prefix))
return img_sets
def create_appicon_set(imgobj,t_path='',iPad=False,iPhone=True):
rand_str = str(random.randint(20000,2147483648))
t_folder_path = os.path.join(t_path,"AppIcon"+ rand_str +".appiconset")
os.makedirs(t_folder_path)
img_sets = get_img_sets(iPad=iPad,iPhone=iPhone,file_prefix=rand_str)
contents = {"info":{"version":1,"author":"xcode"}}
images = []
for single_set in img_sets:
for fileset in single_set.filesets:
scale_size = (int(single_set.size * fileset.scale), int(single_set.size * fileset.scale))
img_obj = imgobj.resize(scale_size,Image.ANTIALIAS)
real_path = os.path.join(t_folder_path,fileset.filename)
img_obj.save(real_path)
print("保存文件{},\t路径:{}".format(scale_size,real_path))
images += single_set.json_desc()
contents["images"] = images
with open(os.path.join(t_folder_path,"Contents.json"),"w") as wf:
wf.write(json.dumps(contents,indent=4))
if __name__ == '__main__':
argvs = sys.argv[1:] if len(sys.argv) == 3 else None
if not argvs:
print("Fatal: 要求两个参数，第一个是图片路径，第二个是目标目录")
sys.exit(-1)
o_img_path,t_path = argvs
if not os.path.isfile(o_img_path) or not imghdr.what(o_img_path) in ['png']:
print("Fatal: 图片路径不存在或者非 png 格式图片")
sys.exit(-1)
if not os.path.isdir(t_path):
print("Fatal: 目标路径不存在或者非目录")
sys.exit(-1)
o_img = Image.open(o_img_path)
if (1024,1024) != o_img.size :
print("Fatal: 图片非 1024x1024 pixel 尺寸")
sys.exit(-1)
"""
碰到设计师犯糊，将肉眼看不见但确实带有 Alpha 通道的图片提供给我们，直到我们在提交 App Store 的那一刻苹果报错说带有 Alpha 通道，然后我们又要重新走一遍流程🐶。
下面会检查该 1024*1024 的图片是否存在 alpha 通道，若存在，移除之
"""
if o_img.getbands()[-1] == 'A':
print("Info: 包含 alpha 通道，准备移除...")
o_img = o_img.convert("RGB")
create_appicon_set(o_img,t_path=t_path,iPad=True)
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