Archived:How to make Random Rectangle in PySymbian- Part 1

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17 Sep
2009

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Aquivado: Este artigo foi arquivado, pois o conteúdo não é mais considerado relevante para se criar soluções comerciais atuais. Se você achar que este artigo ainda é importante, inclua o template {{ForArchiveReview|escreva a sua justificativa}}.

All PySymbian articles have been archived. PySymbian is no longer maintained by Nokia and is not guaranteed to work on more recent Symbian devices. It is not possible to submit apps to Nokia Store.

This PySymbian code snippet shows how to use the graphics moduleto draw a random number of randomly coloured rectangles.

Article Metadata

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Tested with

Devices(s): N70, N96

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Compatibility

Platform(s): S60 1st Edition, S60 2nd Edition, S60 3rd Edition

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Platform Security

Signing Required: Self-Signed

Capabilities: None

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Article

Keywords: appuifw, time, math, graphics

Created: james1980 (31 Dec 2008)

Last edited: hamishwillee (08 May 2013)

Code Snippet

import e32,random
import time
import appuifw
import graphics
import math
 
appuifw.app.title = u"Random Rectangles" #set the application title
can=appuifw.Canvas()  #create a canvas class
appuifw.app.body=can  # assign canvas to the application body
img=graphics.Image.new(can.size) #created a new image
img.clear(0xffffff)  # cleared the image
 
running=1
def quit():
    global running
    running=0
appuifw.app.exit_key_handler=quit
 
while running:   # below script draws random rectangles 
    a=random.randrange(255)  #defining the colours of rectangles
    b=random.randrange(255)
    c=random.randrange(255)
    j=can.size[0]
    k=can.size[1]
 
    x1=(random.randrange(j-10))  #defining the position of the rectangles
    y1=(random.randrange(j-10))
    x2=x1+10
    y2=y1+10
    img.rectangle((x1,y1,x2,y2),outline=None,fill=(a,b,c)) #drawing rectangles
    img.rectangle((x1+10,y1+10,x2-10,y2-10),outline=None,fill=0xffffff)
    can.blit(img)  #blitting the rectangles on the image
    e32.ao_sleep(.1)    
    e32.ao_yield()

Screenshots

The screenshots below clearly explains the functionality of above code snippet.

See also

• Archived:How to make Random Rectangle in PySymbian- Part 2