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Can anyone tell me how to draw something(example: circle,lines ) on an image ?

motress zlting
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Joined: Jan 10, 2010
Posts: 55
Can anyone tell me how to draw something(example: circle,lines ) on an image ?

1.Browse an image in local laptop,
2.Display it,
3.Draw something on that image.....

what should i use so that i can draw on image ?
Canvas ? JFrame ? Frame ?
salvin francis
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Joined: Jan 12, 2009
Posts: 928

As suggested in the other posts by me, have you looked at the java2d api ?

You can use Canvas/JFrame/Frame to draw the points. though Frame is a part of awt and you are better off with JFrame/Canvas for your requirement.
Please do go through basic code for java2d/awt/swing before trying out complex examples.


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Ulf Dittmer
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Joined: Mar 22, 2005
Posts: 42280
    
  64
Here's an example to get you started: http://www.exampledepot.com/egs/javax.imageio/BasicImageRead.html


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motress zlting
Ranch Hand

Joined: Jan 10, 2010
Posts: 55
salvin francis wrote:As suggested in the other posts by me, have you looked at the java2d api ?

You can use Canvas/JFrame/Frame to draw the points. though Frame is a part of awt and you are better off with JFrame/Canvas for your requirement.
Please do go through basic code for java2d/awt/swing before trying out complex examples.


i have go through it, but i cannot find any info that can let me draw something on an image.....T.T Urgent ...
Ulf Dittmer
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Joined: Mar 22, 2005
Posts: 42280
    
  64
There's nothing special about drawing on an image. First you'd draw the image on the panel or frame, and then everything else on top of that. The Graphics (and Graphics2D) object that gets passed into your paintComponent method has methods to draw images and graphics primitives.

As is so often the case, the Sun Java Tutorial explains it all: http://java.sun.com/docs/books/tutorial/uiswing/painting/index.html
Rob Spoor
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Joined: Oct 27, 2005
Posts: 19720
    
  20

motress zlting wrote:Urgent ...

Please EaseUp.


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subject: Can anyone tell me how to draw something(example: circle,lines ) on an image ?