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app.py
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app.py
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import os
import time
from PIL import Image
from skimage import color, io
from gevent.pywsgi import WSGIServer
from werkzeug.utils import secure_filename
from flask import Flask, request, render_template, url_for
from wallgen import (
NbyNGradient,
genDiamond,
genHexagon,
genIsometric,
genPoints,
genPoly,
genSmartPoints,
genSquares,
genTriangle,
nGradient,
random_gradient,
swirl_image,
)
UPLOAD_FOLDER = os.path.join("static", "upload")
ALLOWED_EXTENSIONS = set(["png", "jpg", "jpeg"])
app = Flask(__name__, static_url_path="/static")
app.config["UPLOAD_FOLDER"] = UPLOAD_FOLDER
app.config["MAX_CONTENT_LENGTH"] = 5 * 1024 * 1024
def allowed_file(filename):
return (
"." in filename
and filename.rsplit(".", 1)[1].lower() in ALLOWED_EXTENSIONS
)
@app.route("/", methods=["GET"])
def index():
return render_template("home.html")
@app.route("/poly", methods=["GET", "POST"])
def poly():
if request.method == "POST":
# get data
side = int(request.form.get("side"))
np = int(request.form.get("np"))
outline = request.form.get("outline")
bgtype = request.form.get("bgtype")
swirl = request.form.get("swirl")
error = None
if side > 5000 or side < 100:
error = "WARNING: Image too large OR Image too small"
if np < 10 or np > 10001:
error = "WARNING: Too less points OR too many points"
fname = "wall-{}.png".format(int(time.time()))
fpath = "static/images/" + fname
shift = side // 10
nside = side + shift * 2 # increase size to prevent underflow
img = random_gradient(nside)
if bgtype == "nbyn":
img = NbyNGradient(nside)
elif bgtype == "customColors":
nColors = request.form.get("nColors")
colors = []
for i in range(int(nColors)):
colors.append(request.form.get("rgb" + str(i + 1)))
try:
colors = [tuple(bytes.fromhex(x[1:])) for x in colors]
except Exception as e:
print(e)
error = "ERROR: Invalid color hex"
img = nGradient(nside, *colors)
if error is not None:
print(error)
return render_template("error.html", context=error)
if outline:
outline = tuple(bytes.fromhex("#2c2c2c"[1:]))
else:
outline = None
if swirl:
img = swirl_image(img)
pts = genPoints(np, nside, nside)
img = genPoly(side, side, img, pts, shift, shift, outl=outline)
# print(fpath)
img.save(fpath)
imgurl = url_for("static", filename="images/" + fname)
return render_template("download.html", context=imgurl, home="poly")
else:
return render_template("poly.html")
@app.route("/shape", methods=["GET", "POST"])
def shape():
if request.method == "POST":
side = int(request.form.get("side"))
outline = request.form.get("outline")
bgtype = request.form.get("bgtype")
swirl = request.form.get("swirl")
shape = request.form.get("shape")
error = None
if side > 5000 or side < 100:
error = "WARNING: Image too large OR Image too small"
fname = "wall-{}.png".format(int(time.time()))
fpath = "static/images/" + fname
img = random_gradient(side)
if bgtype == "nbyn":
img = NbyNGradient(side)
elif bgtype == "customColors":
nColors = request.form.get("nColors")
colors = []
for i in range(int(nColors)):
colors.append(request.form.get("rgb" + str(i + 1)))
try:
colors = [tuple(bytes.fromhex(x[1:])) for x in colors]
except Exception as e:
print(e)
error = "ERROR: Invalid color hex"
img = nGradient(side, *colors)
if error is not None:
print(error)
return render_template("error.html", context=error)
if outline:
outline = tuple(bytes.fromhex("#2c2c2c"[1:]))
else:
outline = None
if swirl:
img = swirl_image(img)
if shape == "hexagon":
img = genHexagon(side, side, img, outline, per=5)
elif shape == "squares":
img = genSquares(side, side, img, outline, per=5)
elif shape == "diamond":
img = genDiamond(side, side, img, outline, per=5)
elif shape == "triangle":
img = genTriangle(side, side, img, outline, per=5)
elif shape == "isometric":
img = genIsometric(side, side, img, outline, per=5)
# print(fpath)
img.save(fpath)
imgurl = url_for("static", filename="images/" + fname)
return render_template("download.html", context=imgurl, home="shape")
else:
return render_template("shape.html")
@app.route("/pic", methods=["GET", "POST"])
def pic():
if request.method == "POST":
# print(request.files)
# print(request.form)
if "image" not in request.files:
error = "No file part"
return render_template("error.html", context=error)
else:
file = request.files["image"]
# print(file.filename)
# print(len(file.filename))
if len(file.filename) < 1:
error = "No file selected"
return render_template("error.html", context=error)
if file and allowed_file(file.filename):
filename = secure_filename(file.filename)
ufpath = os.path.join(app.config["UPLOAD_FOLDER"], filename)
file.save(ufpath)
np = request.form.get("np")
outline = request.form.get("outline")
smart = request.form.get("smart")
if np or smart:
og_img = Image.open(ufpath)
width = og_img.width
height = og_img.height
if min(height, width) > 1080:
scale = min(height, width) // 1080
else:
scale = 1
img = og_img.resize(
(width // scale, height // scale),
resample=Image.BICUBIC,
)
width = img.width
height = img.height
wshift = width // 100
hshift = height // 100
n_width = width + 2 * wshift
n_height = height + 2 * height
if outline:
outline = tuple(bytes.fromhex("#2c2c2c"[1:]))
else:
outline = None
if smart:
ski_img = io.imread(ufpath, True)
gray_img = color.rgb2gray(ski_img)
pts = genSmartPoints(gray_img)
else:
pts = genPoints(int(np), n_width, n_height)
img = genPoly(
img.width,
img.height,
img,
pts,
wshift,
hshift,
outline,
pic=True,
)
fname = "wall-{}.png".format(int(time.time()))
fpath = "static/images/" + fname
# print(fpath)
img.save(fpath)
imgurl = url_for("static", filename="images/" + fname)
return render_template(
"download.html", context=imgurl, home="pic"
)
else:
error = "Invalid input, try again"
return render_template("error.html", context=error)
else:
error = "filetype not allowed"
return render_template("error.html", context=error)
else:
return render_template("pic.html")
if __name__ == "__main__":
port = int(os.environ.get("PORT", 5000))
http_server = WSGIServer(("", port), app)
print("Starting server:")
http_server.serve_forever()