Difference between revisions of "PHP:Programming Tutorial"

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(Drawing the French tricolour with PHP)
(Drawing the French tricolour with PHP)
Line 14: Line 14:
 
imagefilledrectangle($g,0,0,50,100,$blue);
 
imagefilledrectangle($g,0,0,50,100,$blue);
 
$white = imagecolorexact($g,255,255,255);
 
$white = imagecolorexact($g,255,255,255);
imagefilledrectangle($g,0,0,50,100,$white);
+
imagefilledrectangle($g,50,0,100,100,$white);
$red = imagecolorexact($g,0,0,255);
+
$red = imagecolorexact($g,255,0,0);
imagefilledrectangle($g,100,0,50,100,$red);
+
imagefilledrectangle($g,100,0,150,100,$red);
 
</prog>
 
</prog>
 +
<answer>$blue = imagecolorexact($g,0,0,255);
 +
imagefilledrectangle($g,0,0,50,100,$blue);
 +
$white = imagecolorexact($g,255,255,255);
 +
imagefilledrectangle($g,50,0,100,100,$white);
 +
$red = imagecolorexact($g,255,0,0);
 +
imagefilledrectangle($g,100,0,150,100,$red);
 +
</answer>
 
</question>
 
</question>
  

Revision as of 02:06, 31 December 2007

An introduction to computer programming using Java. Comprising

Drawing the French tricolour with PHP

You can create images using Java. 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. In Java you can use methods such as setColor and fillRect to create simple images.

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.setColor(Color.blue);
g.fillRect(0,0,50,100);



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