/[cvs]/fract/Drawrect.py
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Annotation of /fract/Drawrect.py

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Revision 1.1 - (hide annotations)
Sun Feb 25 22:54:15 2001 UTC (23 years, 2 months ago) by masse
Branch: MAIN
CVS Tags: HEAD
File MIME type: text/x-python
Extracted function drawrect from julia.cgi to Drawrect.py .
To use drawrect you now have to include function pointers to the
functions plot and fillrect in the arguments of drawrect .

1 masse 1.1 # Drawrect Module
2    
3     def drawrect((x1, y1), (x2, y2), plot, fillrect):
4     color= plot(x1, y1)
5     cut= 0
6     x, y= x1+1, y1
7     while x<=x2:
8     if color<>plot(x, y):
9     cut= 1
10     x= x+1
11     x, y= x2, y1+1
12     while y<=y2:
13     if color<>plot(x, y):
14     cut= 1
15     y= y+1
16     x, y= x2-1, y2
17     while x>=x1:
18     if color<>plot(x, y):
19     cut= 1
20     x= x-1
21     x, y= x1, y2-1
22     while y>y1:
23     if color<>plot(x, y):
24     cut= 1
25     y= y-1
26     if x2-x1<=1 or y2-y1<=1:
27     return
28     if cut:
29     if x2-x1 > y2-y1: # If wider than high
30     xc= ((x2-x1)/2)+x1
31     drawrect((x1, y1), (xc, y2), plot, fillrect)
32     drawrect((xc, y1), (x2, y2), plot, fillrect)
33     else: # if higher than wide
34     yc= ((y2-y1)/2)+y1
35     drawrect((x1, y1), (x2, yc), plot, fillrect)
36     drawrect((x1, yc), (x2, y2), plot, fillrect)
37     else:
38     fillrect(x1, y1, x2, y2, color)

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