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lukas.arvidsson

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Processing window in eclipse is not centred in OpenGL
[0Replies]
- 03-Apr-2013 12:15 PM
- Forum: Integration and Hardware
Hi!

I have a problem with processing and eclipse when running in OpenGL, the window when running in application mode the processing window is not centred on screen. All the interactions are centered though. I am running on a MacBook Pro 13" with intel HD4000. It has worked before and I have not updated anything as far as I know.... Here are some sample code:
1. import processing.core.*;
2. import controlP5.*;
3. public class ProcessingSketch extends PApplet {
4. public static void main(String args[])
5. {
6. PApplet.main(new String[] { "--present", "ProcessingSketch" });
7. }
8. /* SETUP WORLD */
9. public void setup()
10. {
11. size(1200,750,P3D);
12. background(0);
13. }
14. public void draw()
15. {
16. stroke(255);
17. line(mouseX,mouseY,0,0);
18. frameRate(24);
19. }
20. }
As you can see the result is not what it is supposed to be... Any ideas how to solve this?

Array initialization question / problem.
[4Replies]
- 19-Mar-2012 09:35 AM
- Forum: Programming Questions
Hi!

I have a question regarding how array works. I will attch a small piece of sample code so you can see what I mean.

The first case is this, in a small processing application, I declare a float array named data. I pass that float array into the function loadData which returns a float array. The returned data is of correct length and with the correct values. So far so good.
1. float[] data;
3. public void setup()
4. {
5. data = chartData.loadData("oc", loadFileGdp);
6. }
But how does it work when I have a two dimensional array named data instead of a one dimensional? Like this example:
1. float[][] data;
2. String[] dataNames = new String[3];
4. dataNames[0] = "naData";
5. dataNames[1] = "euData";
6. dataNames[2] = "asData";
8. data = new float[dataNames.length][];
10. public void setup()
11. {
13. for(int i = 0; i < dataNames.length; i++)
14. {
15. data[i][] = chartData.loadData(dataNames[i], loadFileGdp);
16. }
17. }
I cannot get this to work, I know there are many workarounds that I can take to make it work, but I am interested to why this is wrong, to me it seems pretty logical.
Thank you very much for your help & many thanks to the processing team!

Kind regards,
Lukas

Editing contents in XML file.
[5Replies]
- 19-Dec-2011 01:33 PM
- Forum: Programming Questions
Hi!

I have searched for this for quite a while now, but I have not really reached any answers about how to do this. I am working with an XML-file that is tagged in indesign. It is basically just alot of text with a few words here and there that are tagged. The basic structure is like this:

<?xml version="1.0"?>
<root>
<text>Hello, My name is <name>Mariel</name> and I am an excellent dancer. Just as good as the more famous <name >Mariel</name> who stole my name.</text>
</root>

what I want to do is exchange the words within the <name> tags with something else. The text I am working on is quite large and there are maybe fifty different tags that needs to be recognized and changed (many tags like <name> show up in different parts of the text). So i need some kind of system for it.

I have managed to load the xml file and put the contents of the tags in an String-array and change it like how i want to have it. But I dont know who to write it back to an xml file? What would you guys do if you were facing the same problem?

Thanks in advance,
Regards
Lukas Arvidsson

Calling "parent" methods problem. (Probably quite simple)
[5Replies]
- 22-Nov-2011 03:29 AM
- Forum: Programming Questions
Hi!

I have this problem which I hope you guys could help me out with. I am using eclipse just so you know.

I have a "main" class that is called ProcessingSketch, which looks like this:

import processing.core.*;
import processing.opengl.PGraphicsOpenGL;

public class ProcessingSketch extends PApplet {
public static void main(String args[]) {
PApplet.main(new String[] { "--present", "ProcessingSketch" });
}

Button button1;

Scrollbar bar;
PImage img;

int color1 = 204;
int color2 = 255;
int color3 = color(20,20,180);

public void setup()
{
frameRate(120);
size(1022, 488,PGraphicsOpenGL.OPENGL);
smooth();
fill(0);
strokeWeight(1);
background(120);

bar = new Scrollbar(this, 10, height-10, 1000, 7, -511.0f, 511.0f);
button1 = new Button(this, true, width/2, height-40, 20, color1, color2, color3);
img = loadImage("faith-love-peace.jpg");
}

public void draw()
{
background(204);
int x = (int)(bar.getPos());
image(img, x, 0);
bar.update(mouseX, mouseY);
bar.display();
button1.update(mouseX, mouseY);
button1.display();
}

public void changeImage()
{
println("CIAO");
}

public void mousePressed()
{
bar.press(mouseX, mouseY);
button1.press();
}
public void mouseReleased()
{
bar.release();
button1.release();
}

}

I have two classes that I work with Button and Scrollbar. But my problem is general. From the Button class I want to be able to call the ornage marked method above. How do I do this? Do I have to use a static method? I will attach the button class aswell below so you can see it:

import processing.core.PApplet;

public class Button

{
int x, y; // The x- and y-coordinates
int size; // Dimension (width and height)
int baseGray; // Default gray value
int overGray; // Value when mouse is over the button
int pressGray; // Value when mouse is over and pressed
boolean over = false; // True when the mouse is over
boolean pressed = false; // True when the mouse is over and pressed
boolean circleRect = false; //True when circle, False when rectangle
PApplet parent;

Button(PApplet q, boolean cR, int xp, int yp, int s, int b, int o, int p)
{
x = xp;
y = yp;
size = s;
baseGray = b;
overGray = o;
pressGray = p;
parent = q;
circleRect = cR;
}

// Updates the over field every frame
void update(int mx, int my)
{
//CHECK RECTANGLE
if(circleRect == false)
{
if ((mx >= x-(size/2)) && (mx <= x-(size/2)+size) && (my >= y-(size/2)) && (my <= y-(size/2)+size))
{
over = true;
}
else
{
over = false;
}
}
//CHECK CIRCLE
else if(circleRect == true)
{
if (PApplet.dist(mx, my, x, y) < size/2)
{
over = true;
}
else
{
over = false;
}
}
}

boolean press()
{
if (over == true)
{
pressed = true;
xxxxx.changeimage();
return true;
}
else
{
return false;
}
}

void release()
{
pressed = false; // Set to false when the mouse is released
}
void display()
{
if (pressed == true)
{
parent.fill(pressGray);
}
else if (over == true)
{
parent.fill(overGray);
}
else
{
parent.fill(baseGray);
}
if(circleRect == false)
{
parent.stroke(255);
parent.rect(x-(size/2), y-(size/2), size, size);
}
else if(circleRect == true)
{
parent.stroke(255);
parent.ellipse(x, y, size, size);
}
}
}

If anyone has any ideas on how to best do this, please let me know! Thank you!

Best regards
Lukas

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