def my_draw(request, bg, text, font, textColor, shadowColor, border, shadow, highlight):
"""draw avatar. Core part of the program."""
from hashlib import md5
text_md5=md5(text.encode('utf-8')).hexdigest()
pure=md5(text_md5+bg+font+textColor+shadowColor+str(border)+str(shadow)+str(highlight)).hexdigest()+".png"
filename=findPath('media/result/')+pure
pFont=fontFile(font)
(textPosition, fontSize)=fontPosition(pFont)
#generate new pic only when not existing
if not os.path.exists(filename):
# when debugging, set if to 1, so as to gen pic each time;
# when done, set if to not os.path.exists(filename), and only gen new pics.
image_a=Image.open(findPath("colors/%s" % bg))
image_b=Image.open(findPath("colors/%s" % bg))
font=ImageFont.truetype(pFont, fontSize)
width=180
height=180
img_draw=ImageDraw.Draw(image_b)
shadow=int(shadow)
if shadow ==0: #no shadow at all
img_draw.text(textPosition,text,font=font, fill=textColor)
image_b.save(filename)
else :
if shadow==2: #shadow offset
side=15
else: #shadow but no offset
side=10
box=(10,10,width+10, height+10)
position=(0+side,0+side, width+side, height+side)
img_draw.text(textPosition,text,font=font,fill=shadowColor)
imgfilted=image_b.filter(ImageFilter.BLUR)
region=imgfilted.crop(box)
img_draw=ImageDraw.Draw(image_a)
image_a.paste(region,position)
img_draw.text(textPosition,text,font=font, fill=textColor)
image_a.save(filename)
image_path_on_server="""./media/result/%s""" % pure
return image_path_on_server
def draw_hat(bg, hatName, angle, offsetLeft, offsetTop, hatWidth, hatHeight):
filename=md5("".join([str(x) for x in [bg, hatName, angle, offsetLeft, offsetTop, hatWidth, hatHeight]])).hexdigest()+".png"
filename=findPath('media/result/')+filename
#cut filename from
# #/site_media/result/bc98ff0348403f8098a3f7207c29f94f.png
# to
# media/result/bc98ff0348403f8098a3f7207c29f94f.png
bg=bg[-49:]
bg=findPath(bg)
bg=Image.open(bg)
hat=findPath("media/images/"+hatName)
hat=hat[hat.index("media"):hat.index("png")+3]
hat=findPath(hat)
hat=Image.open(hat)
#resize the hat
hat=hat.resize((hatWidth, hatHeight), Image.ANTIALIAS)
hat=hat.rotate(angle, Image.BILINEAR)
box=(0, 0, hat.size[0], hat.size[1])
pisition=(offsetLeft, offsetTop, hat.size[0]+offsetLeft, hat.size[1]+offsetTop)
bg.paste(hat,pisition, hat)
#add snowflakes
snowfile=findPath('media/images/snowflakes.png')
snow=Image.open(snowfile)
bg.paste(snow, (0, 0, snow.size[0], snow.size[1]), snow)
#save as file
bg.save(filename, "PNG")
filename=filename[-49:]
url="""/site_%s""" % filename
html="""<a href="/result?url=%s"><img src="%s"></a>""" % (url, url)
# image_path_on_server="""./media/result/%s""" % filename
image_path_on_server = filename
return image_path_on_server
def delete_pic(remain=REMAIN_PICS):
'''delete old pics so as to reduce the disk usage'''
p=findPath("media/result/*.png")
files=glob.glob(p)
s={}
for f in files:
statinfo=os.stat(f)
s[f]=statinfo.st_mtime
c= s.items()
c.sort(key=lambda x:x[1])
if len(c)<=remain:
pass
else:
for (x,y) in c[0:len(c)-remain]:
os.unlink(x)
#return HttpResponse("<pre>%r</pre>" % locals())
image_path_on_server = my_draw(request,
bg=bg,
text=text,
font=font,
textColor=textColor,
shadowColor=shadowColor,
border=border,
shadow=shadow,
highlight=highlight)
#hat processing, a loop procedure, for several hats(horns)
image_path_on_server=hat(request, bg=image_path_on_server)
saveImage4Upload(request, image_path_on_server)
image_path_on_server=findPath(image_path_on_server)
image_data = open(image_path_on_server, "rb").read()
#if save==1, download:
save = _safeGetBoolean(request, "save")
if save:
response = HttpResponse(image_data, mimetype="image/png")
response['Content-Disposition'] = 'attachment; filename=%s' % image_path_on_server[-36:]
return response
return HttpResponse(image_data, mimetype="image/png")
def my_draw(request, bg, text, font, textColor, shadowColor, border, shadow, highlight):
"""draw avatar. Core part of the program."""
from hashlib import md5
text_md5=md5(text.encode('utf-8')).hexdigest()