Difference between revisions of "Perl:Programming Tutorial"

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(An Example: drawing the French tricolour)
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{{topTenTips}}
 
{{topTenTips}}
An introduction to computer programming using Java. Comprising
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An introduction to computer programming using perl. Comprising
 
*[[perl:Tutorials| Tutorials]] which present problems and their solutions.
 
*[[perl:Tutorials| Tutorials]] which present problems and their solutions.
 
*[[perl:Guides| How to...]] guides to completing common tasks.
 
*[[perl:Guides| How to...]] guides to completing common tasks.
 
*[[perl:Assessments| Assessments]] graded problems with solutions.
 
*[[perl:Assessments| Assessments]] graded problems with solutions.
 
==An Example: drawing the French tricolour ==
 
==An Example: drawing the French tricolour ==
You can create images using Perl and the Image Magic Library. The first tutorial [[{{NAMESPACE}}Flags Tutorial|Flags]] looks at drawing flags of the world, from simple flags such as Libya to more complicated flags such as the Stars and Stripes of the USA.  
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You can create images using Perl and the Image Magic Library. The first tutorial [[{{NAMESPACE}}:Flags Tutorial|Flags]] looks at drawing flags of the world, from simple flags such as Libya to more complicated flags such as the Stars and Stripes of the USA.  
 
<question height="100" width="150" imgOut="flag.png" className="Raster" title="France" rows="9" cols="40" lang="pl">  
 
<question height="100" width="150" imgOut="flag.png" className="Raster" title="France" rows="9" cols="40" lang="pl">  
 
<shell lang="pl" import="shells.xml#rasterpl"/>
 
<shell lang="pl" import="shells.xml#rasterpl"/>

Latest revision as of 15:43, 21 March 2015

An introduction to computer programming using perl. Comprising

An Example: drawing the French tricolour

You can create images using Perl and the Image Magic Library. The first tutorial Flags looks at drawing flags of the world, from simple flags such as Libya to more complicated flags such as the Stars and Stripes of the USA.

Flag guide france.png

Notice that the blue rectangle is at (0,0), it is 50 wide and 100 deep so the commands to draw the blue rectangle are:

$g->filledRectangle(0,0, 50,100,
      $g->colorAllocate(0,0,255));


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