В настоящее время он рисует один текст на миниатюре, и я хочу нарисовать несколько небольших текстовых водяных знаков на миниатюре
models.py:
class Image(models.Model):
license_type = (
('Royalty-Free','Royalty-Free'),
('Rights-Managed','Rights-Managed')
)
image_number = models.CharField(default=random_image_number,max_length=12,unique=True)
title = models.CharField(default=random_image_number,max_length = 100)
image = models.ImageField(upload_to = 'image' , default = 'demo/demo.png')
thumbnail = models.ImageField(upload_to='thumbs', blank=True, null=True)
category = models.ForeignKey('Category', null=True, blank=True, on_delete=models.CASCADE)
shoot = models.ForeignKey(ImageShoot, on_delete=models.CASCADE, related_name='Image', null=True,blank=True)
image_keyword = models.CharField(max_length=500)
description = models.TextField(max_length=3000,null=True,blank=True)
credit = models.CharField(max_length=150, null=True,blank=True)
location = models.CharField(max_length=100, null=True,blank=True)
license_type = models.CharField(max_length=20,choices=license_type, default='')
uploaded_at = models.TimeField(auto_now_add=True)
def __str__(self):
return self.title
def save(self, *args, **kwargs):
super(Image, self).save(*args, **kwargs)
if not self.make_thumbnail():
raise Exception('Could not create thumbnail - is the file type valid?')
def make_thumbnail(self):
fh = storage.open(self.image.path)
base = PILImage.open(fh).convert('RGBA')
base.load()
width, height = base.size
txt = PILImage.new('RGBA', base.size, (255,255,255,0))
fnt = ImageFont.truetype('arial.ttf', 300)
d = ImageDraw.Draw(txt)
for x_ratio in range(0, 7):
x = width * x_ratio/7 + width/20
for y_ratio in range(0, 7):
y = height * y_ratio/7 + height/20
d.text((x,y), "liveimages.in", font=fnt, fill=(255,255,255,128))
txt = txt.rotate(45)
out = PILImage.alpha_composite(base, txt)
out.thumbnail((1000,1000),PILImage.ANTIALIAS)
fh.close()
thumb_name, thumb_extension = os.path.splitext(self.image.name)
thumb_extension = thumb_extension.lower()
thumb_filename = thumb_name + '_thumb' + thumb_extension
if thumb_extension in ['.jpg', '.jpeg']:
FTYPE = 'JPEG'
elif thumb_extension == '.gif':
FTYPE = 'GIF'
elif thumb_extension == '.png':
FTYPE = 'PNG'
else:
return False # Unrecognized file type
i_out = out.convert('RGB')
temp_thumb = BytesIO()
i_out.save(temp_thumb, FTYPE)
temp_thumb.seek(0)
if not self.thumbnail:
# Load a ContentFile into the thumbnail field so it gets saved
self.thumbnail.save(thumb_filename, ContentFile(temp_thumb.read()), save=True)
temp_thumb.close()
return True
Мне нужен такой эскиз из загруженного изображения:
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