简单的实现了利用plist进行大图分割小图

1. 通过python简单的实现了plist图的切割

#如果plist里面有其他的属性可以根据需要自己进行添加修改
#!python
import os,sys
import plistlib
from PIL import Image



def gen_png_from_plist(plist_filename, png_filename):
    file_path = plist_filename.replace('.plist', '')
    big_image = Image.open(png_filename)
    root = plistlib.readPlist(plist_filename)
    frames = root['frames']
    to_list = lambda x: x.replace('{','').replace('}','').split(',')
    to_int = lambda x:int(x)
    for frame in frames:
        # print(frame)
        # print(frames[frame].spriteSize)
        size = frames[frame].spriteSourceSize
        size = to_list(size)
        size = map(to_int, size)

        spriteSize = frames[frame].spriteSize
        spriteSize = to_list(spriteSize)
        spriteSize = map(to_int, spriteSize)

        textureRect = frames[frame].textureRect
        textureRect = to_list(textureRect)
        textureRect = map(to_int, textureRect)

        result_box = textureRect
        result_image = Image.new('RGBA', spriteSize, 0)
        if frames[frame].textureRotated:
            print('ttt')
            result_box[0] = int(textureRect[0])
            result_box[1] = int(textureRect[1])
            result_box[2] = int(textureRect[0] + spriteSize[1])
            result_box[3] = int(textureRect[1] + spriteSize[0])
        else:
            result_box[0] = int(textureRect[0])
            result_box[1] = int(textureRect[1])
            result_box[2] = int(textureRect[0] + spriteSize[0])
            result_box[3] = int(textureRect[1] + spriteSize[1])


        print(result_box, frames[frame].textureRotated, frame)
        
        rect_on_big = big_image.crop(result_box)
        if frames[frame].textureRotated:
            rect_on_big = rect_on_big.transpose(Image.ROTATE_90)
        result_image.paste(rect_on_big)
        #result_image.show()
        #break
        if not os.path.isdir(file_path):
            os.mkdir(file_path)
        outfile = (file_path+'/' + frame)
        print outfile, "generated"
        result_image.save(outfile)
        
    

if __name__ == '__main__':
    filename = sys.argv[1]
    plist_filename = filename + '.plist'
    png_filename = filename + '.png'
    if (os.path.exists(plist_filename) and os.path.exists(png_filename)):
        gen_png_from_plist( plist_filename, png_filename )
    else:
        print "make sure you have boith plist and png files in the same directory"