Need help in stroke and shape

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Need help in stroke and shape

 
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  #1
Jul 14th, 2008
Hi, I am trying to make stroke and shape make a path like two sin curves.


so a path from x,y to x2,y2 first is like ------------------------- will become
/\/\/\/\/\/\/\/\
\/\/\/\/\/\/\/\/

if you understand what i mean.

I am very confused am I suppose to be changing the shape or the stroke to make a line from xy to x2x2 with a sign curve shape.
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Re: Need help in stroke and shape

 
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  #2
Jul 14th, 2008
I am not very clear about your question.
Would you like to tell more about what are confusing you ?
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Re: Need help in stroke and shape

 
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  #3
Jul 14th, 2008
if you have to use a Shape i would go with a CubicCurve2D
the sun tutorial that covers these is here

to get one period of a sin or cos wave you need two of these

if not explain what you need to do in more detail
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Re: Need help in stroke and shape

 
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Jul 14th, 2008
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Originally Posted by sciwizeh View Post
if you have to use a Shape i would go with a CubicCurve2D
the sun tutorial that covers these is here

to get one period of a sin or cos wave you need two of these

if not explain what you need to do in more detail

well i want to be able to draw a line that looks like a thread.

so i think it have to do with stroke.

threads are like a group of strings wrapped together kind of similer to wires.

would be cool if i pass x1,y1,x2,y2, and a color and it will have shades of the color wrapping around
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Re: Need help in stroke and shape

 
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  #5
Jul 14th, 2008
like this?:Click image for larger version Name: 703051.JPG Views: 1 Size: 107.8 KB ID: 6611

if so, then plainly stroke won't do it, i don't think, i would still use CubicCurve2D, ill write a bit of sample code, but it may take a moment
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Re: Need help in stroke and shape

 
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  #6
Jul 14th, 2008
ok:Click image for larger version Name: string.jpg Views: 4 Size: 5.6 KB ID: 6612
it's not perfect, and doesn't take into account orientation, but it illustrates my idea:
java Syntax (Toggle Plain Text) 
  1.     public void paint(Graphics g){
  2.         Graphics2D g2 = (Graphics2D) g;
  3.         g2.setStroke(new BasicStroke(4,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND));
  4.         for(int i=0;i<=80;i+=8){
  5.             g2.setColor(new Color(0,0,0));
  6.             g2.draw(makeSin(10+i,10,40+i,40));
  7.             g2.setColor(new Color(128,128,128));
  8.             g2.draw(makeSin(14+i,10,44+i,40));
  9.         }
  10.     }
  11.     public CubicCurve2D.Double makeSin(double x,double y,double x2,double y2){
  12.         return new CubicCurve2D.Double(x,y,(x+x2)/2,y,(x+x2)/2,y2,x2,y2);
  13.     }

the setStroke() only makes it bigger and doesn't effect the look otherwise adding orientation may be difficult this way but i'll give it a shot if asked... (PS: Ask, i almost want to see if i can)
Last edited by sciwizeh; Jul 14th, 2008 at 11:55 pm.
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Re: Need help in stroke and shape

 
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  #7
Jul 15th, 2008
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Originally Posted by sciwizeh View Post
ok:Attachment 6612
it's not perfect, and doesn't take into account orientation, but it illustrates my idea:
java Syntax (Toggle Plain Text) 
  1.     public void paint(Graphics g){
  2.         Graphics2D g2 = (Graphics2D) g;
  3.         g2.setStroke(new BasicStroke(4,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND));
  4.         for(int i=0;i<=80;i+=8){
  5.             g2.setColor(new Color(0,0,0));
  6.             g2.draw(makeSin(10+i,10,40+i,40));
  7.             g2.setColor(new Color(128,128,128));
  8.             g2.draw(makeSin(14+i,10,44+i,40));
  9.         }
  10.     }
  11.     public CubicCurve2D.Double makeSin(double x,double y,double x2,double y2){
  12.         return new CubicCurve2D.Double(x,y,(x+x2)/2,y,(x+x2)/2,y2,x2,y2);
  13.     }

the setStroke() only makes it bigger and doesn't effect the look otherwise adding orientation may be difficult this way but i'll give it a shot if asked... (PS: Ask, i almost want to see if i can)
interesting. This might work. thanks. mgith ask later if i got anymore question
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Re: Need help in stroke and shape

 
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  #8
Jul 15th, 2008
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Originally Posted by sciwizeh View Post
like this?:Attachment 6611

if so, then plainly stroke won't do it, i don't think, i would still use CubicCurve2D, ill write a bit of sample code, but it may take a moment

I think using stroke is possible because stroke is a shape also. Just the coding is more complex and you go in steps along the line.

While without using stroke you just do a loop long the line.

I going to try to draw the same idea as a stroke still. I think it is possible and would be better to be able to ever reuse the method
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Re: Need help in stroke and shape

 
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  #9
Jul 15th, 2008
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Originally Posted by TheBuzzer View Post
I think using stroke is possible because stroke is a shape also.
what? no it isn't, stroke doesn't extend shape, and BasicStroke doesn't implement it either.
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Originally Posted by TheBuzzer View Post
Just the coding is more complex and you go in steps along the line.
got an example?
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Re: Need help in stroke and shape

 
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  #10
Jul 15th, 2008
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Originally Posted by sciwizeh View Post
what? no it isn't, stroke doesn't extend shape, and BasicStroke doesn't implement it either.
got an example?
http://www.jhlabs.com/java/java2d/strokes/

I was coding it using stroke method but I stopped becuase It does not do color blending when strokes overlap each other.

Also stroke was kind of weird you need to draw lines as a polygon shape for it to fill nicely


So better way was to do what u did and not use strokes.

the line coloring wasnt looking that great. I might have to use a thread image with a color mask to make it look better.
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