76 lines
1.5 KiB
Python
76 lines
1.5 KiB
Python
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#!/usr/bin/python
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'''
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Schotter pdf reproduction
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It design SchotterR
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Author: Jan Bodnar
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Website: zetcode.com
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Last edited: April 2016
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'''
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import math,cairo,random
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def plotSquares(ctx):
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global rsum
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for i in xrange(1,w):
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rsum += i*rs # add to the random value
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ctx.translate(s*i, 0)
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for j in xrange(1,h):
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rv = random.uniform(-rsum, rsum)
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# here comes the box :-)
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#box = shapes.square(s)
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# box position
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#curr_cx = - w*s/2 + i*s + rv*dp ; curr_cy = - h*s/2 + j*s + rv*dp
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# transforms.center_at(box, [curr_cx, curr_cy])
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#
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# # rotate the box of rv degrees around its center
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# transforms.rotate(box, rv, pivot=(curr_cx, curr_cy))
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#
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# draw the damn box
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# plotter.write(box)
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#
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ctx.translate(0, s*j)
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#ctx.rotate(math.pi * 1 / 4)
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ctx.rotate(rv)
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ctx.rectangle(0,0, s, s)
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ctx.stroke()
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#float RGB touple
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FG_RGB_COLOR=(0,0,0)
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#A4 in 300 DPI
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width, height = 3508,2480
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w = 1 # width (how many squares - es. 22)
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h = 12 # height (how many squares - es. 12)
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s = 100 # square size (es. 15)
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rs = 0.015 # random step (rotation increment in degrees)
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dp = 2.25 # dampen (soften random effect for position)
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rsum = 0 # dummy initial value for rsum
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surface = cairo.PDFSurface ("/tmp/circle.pdf",width,height)
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ctx = cairo.Context (surface)
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ctx.set_source_rgb(FG_RGB_COLOR[0],FG_RGB_COLOR[1],FG_RGB_COLOR[2])
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ctx.set_line_width(1)
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ctx.translate(100, 500)
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plotSquares(ctx)
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ctx.show_page()
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