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How do I put an image on a canvas?

Carlos Failde
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Joined: Oct 20, 2000
Posts: 84
I have put a canvas on an applet and want to add a gif image to the canvas.
I know to put an image on an applet you'd use something like
Image I= getImage(getCodeBase(), "image.gif");
g.drawImage(I, x,y,width, height, this);
but I can't figure out how to add an image to my canvas.
Anonymous
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Joined: Nov 22, 2008
Posts: 18944
This thread may help with your question. Basically, you will have to subclass the canvas and override its paint() method. You should be careful if you are mixing a canvas with any Swing components because you can get wierd results, as mentioned in the above thread. In that case, you can use a JPanel for drawing instead.
Sean MacLean
author
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Joined: Nov 07, 2000
Posts: 621
You simply have to get the Graphics instance from the Canvas and draw using that. It should look something like this

Hope this helps.
Sean
 
It is sorta covered in the JavaRanch Style Guide.
 
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