''' Purpose: demonstrate pillow drawing commands '''

PAUSING = True

from PIL import Image, ImageDraw
import url

# specify dimensions and background
WIDTH  = 480
HEIGHT = 400
BACKGROUND_COLOR = "black"

# creat image of appropriate dimension
im = Image.new( 'RGB', (WIDTH, HEIGHT), BACKGROUND_COLOR )

# get a drawable canvas of image im
canvas = ImageDraw.Draw( im )

# paint the entire surface with the background color
xy = [ (0, 0), (WIDTH, HEIGHT) ]
canvas.rectangle( xy, fill=BACKGROUND_COLOR )

if ( PAUSING ) :
    im.show(); input( 'Hit enter when ready' )

# draw green 50 X 75 rectangle perimeter at (40, 80)
x = 40
y = 80
w = 50
h = 75
xy = [ (x, y), (x + w, y + h) ]
o = 'green'

canvas.rectangle( xy, outline=o )

if ( PAUSING ) :
    im.show(); input( 'Hit enter when ready' )

# draw filled lavender 100 X 25 rectangle at (100, 20) with grey outline
x = 100
y =  20
w = 100
h =  25
xy = [ (x, y), (x + w, y + h) ]
f = 'lavender'
o = 'grey'

canvas.rectangle( xy, fill=f, outline=o )

if ( PAUSING ) :
    im.show(); input( 'Hit enter when ready' )

# draw magenta 150 X 90 oval at (120, 65)
x = 120
y =  65
w = 150
h =  90
xy = [ (x, y), (x + w, y + h) ]
o = 'magenta'

canvas.ellipse( xy, outline=o )

if ( PAUSING ) :
    im.show(); input( 'Hit enter when ready' )

# draw filled light sky blue 50 X 75 oval at (300, 25) with perimeter #98fb98'
x = 300
y =  25
w =  50
h =  75
xy = [ (x, y), (x + w, y + h) ]
f = 'LightSkyBlue'
o = '#98fb98'

canvas.ellipse( xy, fill=f, outline=o )

if ( PAUSING ) :
    im.show(); input( 'Hit enter when ready' )

# draw string "We are the best!" in cyan at (300, 155)
x = 300
y = 155
coord = (x, y)
s = "We are the best!"
f = 'cyan'
canvas.text( coord, s )

if ( PAUSING ) :
    im.show(); input( 'Hit enter when ready' )

# draw #fff5ee line from (300, 175) to (380, 175)
x0 = 300
y0 = 175
x1 = 395
y1 = 175
xy = [ (x0, y0), (x1, y1) ]
f  = '#fff5ee'

canvas.line( xy, fill=f )

if ( PAUSING ) :
    im.show(); input( 'Hit enter when ready' )

# draw yellow-sided polygon using the points
p1 = (350,  20)
p2 = (400,  60)
p3 = (425, 100)
p4 = (425, 160)
p5 = (400, 125)
p6 = (375,  90)
o  = 'yellow'
seq = [ p1, p2, p3, p4, p5, p6 ]

canvas.polygon( seq, outline=o )

if ( PAUSING ) :
    im.show(); input( 'Hit enter when ready' )

# draw filled pink polygon using points
p1 = (175,  80)
p2 = (240, 110)
p3 = (190, 130)
p4 = (150, 120)
c  = 'Salmon'
f  = 'pink'
seq = [ p1, p2, p3, p4 ]

canvas.polygon( seq, fill=f )


# draw salmon colored arc
p1 = ( 140, 220 )
p2 = ( 340, 380 )
xy = (  p1,  p2 )
a1 =  0
a2 = 72
f  = 'Salmon'

canvas.arc( xy, a1, a2, fill=f )

# draw spring green filled chord
p1 = ( 140, 220 )
p2 = ( 340, 380 )
xy = (  p1,  p2 )
a1 = a1 + 72
a2 = a2 + 72
f  = 'SpringGreen'

canvas.chord( xy, a1, a2, fill=f )

# draw light coral filled chord with lemon chiffon outline
p1 = ( 140, 220 )
p2 = ( 340, 380 )
xy = (  p1,  p2 )
a1 = a1 + 72
a2 = a2 + 72
f  = 'LightCoral'
o  = 'LemonChiffon'

canvas.chord( xy, a1, a2, fill=f, outline=o )

# draw misty rose filled pieslice
p1 = ( 140, 220 )
p2 = ( 340, 380 )
xy = (  p1,  p2 )
a1 = a1 + 72
a2 = a2 + 72
f  = 'MistyRose'

canvas.pieslice( xy, a1, a2, fill=f )

# draw plum-filled pieslice with green-yello outline
p1 = ( 140, 220 )
p2 = ( 340, 380 )
xy = (  p1,  p2 )
a1 = a1 + 72
a2 = a2 + 72
f  = 'Plum'
o  = 'GreenYellow'

canvas.pieslice( xy, a1, a2, fill=f, outline=o )

# show p1-p2 line in Navajo white

p1 = ( 140, 220 )
p2 = ( 340, 380 )
xy = (  p1,  p2 )
f  = 'NavajoWhite'

canvas.line( xy, fill=f )

# let's see what we got

im.show()

im.save( 'paint.png' )