|
|
|
|
@ -4,8 +4,10 @@ import os |
|
|
|
|
import json |
|
|
|
|
import re |
|
|
|
|
import zipfile |
|
|
|
|
import io |
|
|
|
|
|
|
|
|
|
from flask import jsonify, abort |
|
|
|
|
from flask import request, jsonify, send_file, abort |
|
|
|
|
from PIL import Image |
|
|
|
|
|
|
|
|
|
from vasl_templates.webapp import app |
|
|
|
|
from vasl_templates.webapp.config.constants import DATA_DIR |
|
|
|
|
@ -108,6 +110,30 @@ def _do_get_template_pack( dname ): |
|
|
|
|
@app.route( "/flags/<nat>" ) |
|
|
|
|
def get_flag( nat ): |
|
|
|
|
"""Get a flag image.""" |
|
|
|
|
|
|
|
|
|
# validate the nationality |
|
|
|
|
if not re.search( "^[-a-z]+$", nat ): |
|
|
|
|
abort( 404 ) |
|
|
|
|
return app.send_static_file( "images/flags/{}.png".format( nat ) ) |
|
|
|
|
|
|
|
|
|
fname = "static/images/flags/{}.png".format( nat ) |
|
|
|
|
with app.open_resource( fname, "rb" ) as fp: |
|
|
|
|
|
|
|
|
|
# load the image |
|
|
|
|
img = Image.open( fp ) |
|
|
|
|
|
|
|
|
|
# check if we should resize the image |
|
|
|
|
# NOTE: Resizing images in the HTML snippets looks dreadful (presumably |
|
|
|
|
# because VASSAL's HTML engine is so ancient), so we do it ourself :-/ |
|
|
|
|
height = request.args.get( "height" ) |
|
|
|
|
if height: |
|
|
|
|
height = int( height ) |
|
|
|
|
if height > 0: |
|
|
|
|
width = img.size[0] / ( float(img.size[1]) / height ) |
|
|
|
|
width = int( width + 0.5 ) |
|
|
|
|
img = img.resize( (width,height), Image.ANTIALIAS ) |
|
|
|
|
|
|
|
|
|
# return the image |
|
|
|
|
buf = io.BytesIO() |
|
|
|
|
img.save( buf, format="PNG" ) |
|
|
|
|
buf.seek( 0 ) |
|
|
|
|
return send_file( buf, mimetype="image/png" ) |
|
|
|
|
|
