Java 2D is an API for drawing two-dimensional graphics using the Java programming language.
Questions tagged [java-2d]
1076 questions
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1 answer
Print a JFrame to a page Java
How would you print a jFrame in java?
e.g
JFrame myJFrame = new JFrame("Window");
printClass.print(myJFrame);
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3 answers
How to draw a circle within a circle?
I'm trying to get a bunch of small circles that have varying shades of green to be drawn within a big circle to get a "bush" look, but I can't figure out how to get all the small circles within the shape of a big circle. I can only figure out how to…
stumped
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Java - Layering issues with Lists and Graphics2D
So I have a DisplayPanel class that extends JPanel and that also paints my numerous images for my program using Graphics2D. In order to be able to easily customly use this I set it up so that every time the panel is repainted it uses a List, that I…
Mirrorcrazy
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My applet displays part of the screen behind it
So when I alt-tab between the applet and something else, may it be another window or just the desktop, the applet ends up looking like this when I come back to it:
This is the Embed gadget I use on the google site I host my applet on. Normally it…
liboan1997
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- 4
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2 answers
Showing a clock on a panel
For some reason, my ClockComponent object does not show up when I add it to a JPanel object. It DOES show up when I add it to a JFrame object but not a JPanel object... I don't understand why and I've looked it up before posting this question here…
user1800967
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2 answers
Static variable messing everything up
Probably a very basic Java problem but I have two variables in a entity class:
public class Entity {
int posX;
int posY;
public Entity(int posX, int posY){
this.posX = posX;
this.posY = posY;
}
public void update(){
}
public void…
user1650305
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1 answer
Adding path2d to a jpanel
Im having a lot of problems with this really trivial thing. I want to take a path2d object and add it to a jpanel and display it in my gui. Can I get some guidance as to what I am doing incorrectly. I used the search here and with google and…
user583507
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1 answer
Java: mouse hit detection with overlapping JComponents
I have a JPanel with null layout. On this panel I draw some custom JComponents as markers, little red rounds, and lines.
When the line is not horizontal or vertical, the JComponent's "sensitive area" is a rectangle which has as hypotenuse the line…
Marco Fedele
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Parsing a string to a shape
I'm making a paint application, and for the input of the shapes that were saved, I came across an issue.
You see, I am using a while loop to run through each line of a string saved by the program at an earlier time. I also have identifiers of what…
The_Steve13
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Java Path2D.Double on JPanel are painted with a 'tail'
I have a strange behaviour when drawing a Path2D on a JPanel.
Some of the shapes get kind of a tail as you can see on this screenshot:
When I change the type to Line2D.Double, it is as I'd expect it:
Here's the code that draws the path /…
klib009
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drawImage() smears image on JPanel but why?
I'm following this tutorial and when I animate my aliens from a PNG image using drawImage() my image smears on the JPanel and I'm not sure why that is, anyone know?
[more description of issue] As I move the image from the right side of the JPanel to…
user772401
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Java polygons and Area
Ok so I have a number of polygons (outlined in white in the image).
In an attempt to add all the polygons together so that I get one polygon, which is the outer bounds of all of them, I have converted each Polygon (java class) to an Area(java…
user1135469
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3 answers
Drawing a line from 2 mouse clicks
I am trying to draw a line from a series of mouse clicks.
For example, when i click from one point on the screen to the next, it connects up the lines, and then i can keep clicking to next points where it continues to draw a continuous drawing…
DommyCastles
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reading image file with unknown image data *.ITW
I just want to read and load image data into Java 2D class
Any hint will be great.
This has been cross posted at java2D forum ( oracle forum)
https://forums.oracle.com/forums/thread.jspa?threadID=2434586&stqc=true
Alan M
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Why is fill3DRect not working correctly on other computers besides my own?
I am working on a visual sorting algorithm project and I am drawing them in a JPanel:
public void paint(Graphics g) {
super.paint(g);
g.setColor(Color.WHITE);
for (int i = 0; i < array.length; i++) {
g.fill3DRect(i * barWidth,…
