User:Eleanorg/1.2/Forbidden Pixels/jQuery reveal
python script with rudimentary jQuery script to reveal the pixel's info on click.
#!/usr/bin/python
#-*- coding:utf-8 -*-
import os, re
# stores rgb values and pixel co-ordinates in nested lists, thus:
# pixels[ [row1column1, row1column2, row1column3....] [row2column1, row2column2, row2column3...] [row3column1...] ]
#--------- determine image dimensions----------------------------------------#
image = "20by10PixelsSection1.png"
sizeQuery = "identify -format '%w %h' " + image # system command gets image dimensions with ImageMagick
size = os.popen(sizeQuery, 'r').read() # captures output of system call
(width, height) = size.split() # splits ImageMagick output into separate column & row no's
columns = int(width)
rows = int(height)
#print columns
#print rows
#--------- assign pixel details to lists ------------------#
pixels = [] # create empty list 'pixels'
def getcolors ():
for row in range (0, rows): # for each row in the image...
pixels.append([]) # ...append a new sub-list within list 'pixels'
for column in range (0, columns): # for each column in the row...
colorQuery = "convert " + image + " -format '%[pixel:p{" + str(column) + "," + str(row) + "}]' info:-"
colorResult = os.popen(colorQuery, 'r').read() # makes & captures output of system call
color = re.sub("\n", "", colorResult) # strips newline character from end of sys call result
pixels[row].append(color) # append color as a value to the 'row' sublist within 'pixels' - its is same as current column number
getcolors()
##--------- reproduce pixels as an html table ------------------#
##--------- print html page opener ------------#
print """
<!DOCTYPE html>
<html>
<head>
<title>Forbidden Pixels: Trial #1</title>
<style type="text/css">
body {
background-color: #aaa;
color: #eee;
}
.inner {
margin:auto;
}
table {
border-spacing: 0px;
}
.pixel {
width: 50px;
height: 50px;
float: left;
border: 1px #000 solid;
padding: none;
margin: none;
font-size: 10px;
color: #eee;
background-color: #333;
}
.hide p {
display: none;
}
</style>
<script src="jquery-1.5.2.min.js"></script>
</head>
<body>
<div id="header">
<h1>Forbidden Pixels</h1>
<p>A 20 x 10 pixel section of a censored photograph</p>
</div>
<div class="inner">"""
##--------- print table with a loop, using list values ------------#
# '%03f' % row converts row number into 3 digits
print "<table>"
for row in range (0, rows):
print "<tr>"
for column in range (0, columns):
print """<td class="pixel" id=" """ + str('%03d' % row) + "." + str('%03d' % column) + """ "><p>Pixel position:"""+ str('%03d' % row) + "." + str('%03d' % column) + """; Color:""" + pixels[row][column] + """</p></td>"""
print "</tr>"
print "</table>"
##---------- print jQuery to reveal colour string on hover -------------#
print """
<script>
(function() {
var td = $('td');
$(td).click(function(){
console.log('hello');
$(this).removeClass('hide');
});
})();
</script>
"""
##--------- print closing html tags ------------#
print """
</div>
</body>
</html>"""