import os
from PIL import Image, ImageFont
class ImageMerger():
def __init__(self):
self.font = ImageFont.truetype("font\\simhei.ttf", 18)
def merge(self, src_img_path, des_width, des_height=None):
if os.path.exists(src_img_path) is False:
print("图片不存在", src_img_path)
return
src_im = Image.open(src_img_path)
orate = src_im.width / src_im.height;
width = des_width;
height = des_height;
if des_height is None:
height = width / orate;
height = int(height)
# print(width, height)
if src_im.width > src_im.height:
re_width = width
re_height = re_width / orate;
re_width = int(re_width)
re_height = int(re_height)
src_im = src_im.resize((re_width, re_height), Image.ANTIALIAS)
else:
re_height = height;
re_width = orate * re_height
re_width = int(re_width)
src_im = src_im.resize((re_width, re_height), Image.ANTIALIAS)
# print("调整之后", src_im.width, src_im.height)
des_im = Image.new('RGB', (width, height), 0xffffff)
box = self.get_box_pos(width, height, src_im.width, src_im.height)
# print("粘贴区域",box)
des_im.paste(src_im, box)
des_im.save(src_img_path)
def get_box_pos(self, des_width, des_height, src_width, src_height):
del_width = des_width - src_width
del_height = des_height - src_height;
x1 = del_width / 2;
y1 = del_height / 2
x2 = x1 + src_width;
y2 = y1 + src_height;
x1 = int(x1)
y1 = int(y1)
x2 = int(x2)
y2 = int(y2)
return (x1, y1, x2, y2)
