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Author |
Topic: Null pointer in class (Read 267 times) |
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sspboyd
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Null pointer in class
« on: Aug 21st, 2004, 2:24am » |
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My mistake. I was trying to load the objects into an array (Frame[]) before stating the size of the array Code:| frames=new Frame[numFrames]; |
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is there something obviously wrong with trying to create a new object from this Frame class
Code:class Frame{
BImage img=new BImage(1024,768);
String fn;
Frame(String _fn){
fn=_fn;
img=loadImage(fn);
}
} |
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i get null pointer exceptions when I call "new Frame("filename.jpg");
and I've double checked that the file exists and is in the right place.
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| « Last Edit: Aug 21st, 2004, 5:17am by sspboyd » |
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gmail.com w/ sspboyd username
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fjen
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Re: Null pointer in class
« Reply #1 on: Aug 21st, 2004, 9:20am » |
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Code: Frame f;
void setup(){
size(100,100);
f = new Frame("test.jpg");
}
void draw(){
image(f.img,0,0);
}
class Frame{
BImage img=new BImage(1024,768);
String fn;
Frame(String _fn){
fn=_fn;
img=loadImage(fn);
}
} |
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i have no problem using it .. no nullpointerexceptions from me.
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