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# coding: utf-8
import os
from datetime import datetime
from PIL import Image,ImageFilter,ImageFont,ImageDraw
import matplotlib.pyplot as plt
import math
from PIL import Image, ImageDraw, ImageFont
import textwrap
import random
post_img = "res_post.jpg" # 底图,确定尺寸
# 最佳实践
# lines = textwrap.wrap(text, width=40)
# y_text = h
# for line in lines:
# width, height = font.getsize(line)
# draw.text(((w - width) / 2, y_text), line, font=font, fill=FOREGROUND)
# y_text += height
# 将文字居中显示
def longTextCut(text, line_words):
"""cut the text to len / given_num lines"""
total_len = len(text)
num_line = math.ceil(total_len/line_words)
num_line = max(num_line, 1)
res = []
for i in range(num_line):
start_inx = int(i*line_words)
end_inx = int(line_words* (i+1))
sub_seq = text[start_inx : end_inx]
res.append(sub_seq)
lines = textwrap.wrap(text, width=line_words)
return res
return lines
# lines = textwrap.wrap(text, width=10)
# w文字变形,每行不超过多少字,方便阅读
def reshape_texts(lines, line_words):
new_lines = []
for it in lines:
sub_lines = it.split("\n")
split_lines = []
for inx, sub_it in enumerate(sub_lines):
if len(sub_it) > line_words:
relen_text = longTextCut(sub_it, line_words)
split_lines.extend(relen_text)
else:
split_lines.append(sub_it)
new_lines.extend(split_lines)
return new_lines
# w文字变形,每行不超过多少字,方便阅读
def reshape_texts_end(lines, line_words):
new_lines = []
for it in lines:
sub_lines = it.split("。")
# t_ = [len(i) for i in sub_lines]
# y_ = [i > line_words for i in t_]
split_lines = []
for inx, sub_it in enumerate(sub_lines):
if len(sub_it) > line_words:
relen_text = longTextCut(sub_it, line_words)
split_lines.extend(relen_text)
else:
split_lines.append(sub_it)
new_lines.extend(split_lines)
return new_lines
#高斯模糊类
class MyGaussianBlur(ImageFilter.Filter):
name = "GaussianBlur"
def __init__(self, radius=2, bounds=None):
self.radius = radius
self.bounds = bounds
def filter(self, image):
if self.bounds:
clips = image.crop(self.bounds).gaussian_blur(self.radius)
image.paste(clips, self.bounds)
return image
else:
return image.gaussian_blur(self.radius)
# self.background_url=get_bing_image()
#卡片生成类 16:9
class myPost:
def __init__(self, front_img=None,
img = r'./broadcast/kaobianBottem.jpeg'
):
self.frontground = Image.open(front_img) if front_img else None # bing img
# if type(image) is str:
# return image
# elif type(image) is Image.Image:
# return encode_pil_to_base64(image).decode()
self.img= Image.open(img) if type(img) is str else Image.fromarray(img) #底稿,确定尺寸
self.icon=None
# self.icon=Image.open(self.icon_url).convert("RGBA")
#纵向间距
# self.spacing=spacing
self.width, self.height=self.img.size
#加载小图
def loadIcon(self, point=(50,50)):
"""point=(x,y)"""
pass
# self.img.paste(self.icon,point,self.icon)
def get_width_height(self):
return self.width,self.height
def getLinesCount(self, sz, spacing):
words = int(self.width / sz) - 2
rows = int( self.height / (sz + spacing))
return (words, rows)
#高斯模糊图片作为背景
def drawBlur(self):
backflur = self.frontground.resize((self.width,self.height), resample=3).filter(MyGaussianBlur(radius=35))
self.img.paste(backflur,(0, 0))
#添加前景图片
def drawFrontground(self):
"""添加一个前景图壁纸,高斯虚化
"""
if not self.frontground:
return
x=0
y=int(self.height*2/3.3) # 在下半部分画这个图
srcwidth,srcheight=self.frontground.size
height=int(srcheight * self.width / srcwidth)
#重设图片尺寸
frontground = self.frontground.resize((self.width, height),Image.Resampling.LANCZOS)
alpha_layer = Image.new('L', (self.width, height), 0)
draw = ImageDraw.Draw(alpha_layer)
sz = (self.width/2-100, 0, self.width-30, height)
# print("the area is :", sz)
draw.ellipse(sz, fill=150)
self.img.paste(frontground,(x,y),alpha_layer)
def get_res(self):
return self.img
def postTextLine(self, title="Text--test", font="./simsun.ttc", sz=50, x=40, y=90, color = "red"):
"""main title"""
draw = ImageDraw.Draw(self.img)
font = ImageFont.truetype(font=font, size=sz)
draw.text((x,y), title, font=font, fill=color)
def postBoxText(self, texts=["Text--test\n sub text"], font="./simsun.ttc", sz=50, x=40, y=390,
color = "red", spacing=40, ali = "left", bac_color=None):
"""lines"""
# 定义文本内容
draw = ImageDraw.Draw(self.img)
font = ImageFont.truetype(font=font, size=sz)
text = "\n".join(texts)
bbox = draw.multiline_textbbox((0, 0), text, font=font, spacing=spacing)
# 计算文本的宽度和高度
width = bbox[2] - bbox[0]
width += int(width * 0.3)
height = bbox[3] - bbox[1]
height += int(height * 0.3)
if bac_color is not None:
draw.rectangle((x-int(width * 0.15), y-int(height * 0.15), x + width, y + height), fill=bac_color)
# 计算文本的位置
# x = (self.width - width) / 2
# y = (remain_height - height) / 2 # 在剩下的高度中居中显示
# y = 0 + spacing * 2 # 从头开始展示
# 绘制文本
draw.multiline_text((x, y), text, fill=color, font=font, align=ali, spacing=spacing)
# 放置文字
def postText(self, texts=["Text--test\n sub text"], font="./simsun.ttc", sz=50, x=40, y=390,
color = "red", spacing=20):
draw = ImageDraw.Draw(self.img)
# Set the font, text contents, and line spacing
font = ImageFont.truetype(font=font, size=sz)
# 定义文本内容
text = "\n".join(texts)
draw.multiline_text((x, y), text, fill=color, font=font, align="left", spacing=spacing)
# 获取文本的边界框
# bbox = draw.multiline_textbbox((0, 0), text, font=font, spacing=spacing)
# 绘制文本
# draw.text((x,title_y), title, font=title_front, fill="red")
# draw.multiline_text((x, y), text, fill=color, font=font, align="left", spacing=spacing)
def drawCard(self):
if frontground:
self.drawFrontground()
self.postText(title, texts, sz = 40)
def drawCardExample(self):
self.drawFrontground()
self.postTextLine(title="Text--test", font="./simsun.ttc", sz=size, x=40, y=90, color = "red")
self.postTextLine(title="content of sub text", font="./simsun.ttc", sz=size, x=40, y=90, color = "green")
def show(self):
pass
#保存到本地
def saveCard(self, path_name):
save_name = path_name
# save_name = str(datetime.today()).split()[0]+'.png'
self.img.save(save_name)
return save_name
def generatePost(lines = [""], front_img=None, bac_img="./kaobianBottem.jpeg", fn_name = "test_v1.png"):
"""给定背景,前景,文字,size,生成单张图, 并环肥内存中的图对象"""
postcard=myPost(front_img=front_img, img = bac_img)
line_words, rows = postcard.getLinesCount(sz, spacing)
texts = reshape_texts(lines, line_words)
print("总行数",len(texts))
postcard.drawFrontground()
postcard.postText(texts[0], texts[1:], sz = 40)
save_name=postcard.saveCard(fn_name)
# ---opend image
generated_image = postcard.get_res()
return generated_image
if __name__ == '__main__':
# 输入 -========================
title = "大王叫我来巡山并发布公告,解决就业问题山中有老虎猴子承办问"
lines = ['四、报名及网上缴费','本次公开考试招聘采取网络报名方式进行,不组织现场报名。报名时间:2023年3月10日至3月17日24:00。',
'报名网站:广元人事考试网(http://gypta.e21cn.com/)。']
# text = doc['fee_sj']
# lines = content_with_date(text) # 只需要有日期信息的字符串
# texts = "\n".join(lines)
result_post_file = "post_v1.png"
bac_img = "./kaobianBottem.jpeg"
# front_img = "./bingpost/2023-05-13.png"
bing_post = "bingpost/"
imgs_ = os.listdir(bing_post)
imgs_ = [i for i in imgs_ if i.endswith("png")]
ch_img = random.choice(imgs_)
front_img = os.path.join(bing_post, ch_img)
postcard=myPost(front_img=front_img, img = bac_img)
postcard.drawFrontground()
# 放置标题 + 字体字号
sz=80
spacing=20
words, rows = postcard.getLinesCount(sz=sz, spacing=spacing)
title_text = longTextCut(title, words)
title_text = textwrap.wrap(title, width=words)
print(title_text)
postcard.postText(title_text, font="./simsun.ttc", sz = sz,
x=40, y=150, color = "blue", spacing=20)
sz=50
spacing=20
words, rows = postcard.getLinesCount(sz=sz, spacing=spacing)
texts = longTextCut(lines[1], words)
print(texts)
postcard.postText(texts, font="./simsun.ttc", sz = sz,
x=40, y=490, color = "green", spacing=spacing)
texts = reshape_texts(lines, words)
print("texts 长文本 总行数",len(texts))
postcard.postText([lines[0]], font="./simsun.ttc", sz = int(sz*1.5),x=40, y=790, color = "red", spacing=spacing)
postcard.postText(texts, font="./simsun.ttc", sz = sz,x=40, y=990, color = "green", spacing=spacing)
save_name=postcard.saveCard(result_post_file)
print(save_name)
# postcard.show()
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