Draw Circle tool
I am currently working myself deeper in the techniques of drawing and painting with Photoshop and while drawing I always encounter one problem: Drawing a circle. There are several workarounds for that:
* Select circle, Border1 and fill
* Make a circle as a form and place
* Make a circle as a brush and draw it
* Make a circle with a pass and fill path with brush
But all of these seem to me just like workarounds and hinder me in my workflow. My suggestion would be a more simple, more fluent way. Photoshop can draw lines vertical and horizontal to the screen, my suggestion is not very different. My proposition is:
* Hold a desired hotkey (like q or something) over the complete operation
* Click where the midpoint of the circle is supposed to be
* Click and hold again in the desired radius and draw your circle.
This would work like drawing a line, you just draw a circle. This would give the user full control over the brush with sensitivity. That would be first of all faster and more intuitive than all the listed ways of drawing a circle and as mentioned you wouldn't lose any control over your brushsensitivity and options, while you can just simulate pen pressure with path filling.
Thats it for now, any comments or amendments are welcome.
Simon Kopp
Germany
Ok, and how do you envision drawing an ellipse, a rectangle, a rounded rectangle, or any other shape with the current brush?
Using down more buttons?
That's why you receive workarounds, because your FR is not "doable" without taking care of the myriad of sub-requests that you did not envision...
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hello.
I'm making a program that draws circles in a frame and has some buttons in another program.
However, there are some stack overflow errors..
help please~
[error messages]
Exception in thread "main" java.lang.StackOverflowError
at java.util.Hashtable.get(Hashtable.java:336)
at javax.swing.UIDefaults.getFromHashtable(UIDefaults.java:142)
at javax.swing.UIDefaults.get(UIDefaults.java:130)
at javax.swing.MultiUIDefaults.get(MultiUIDefaults.java:44)
at javax.swing.UIDefaults.getColor(UIDefaults.java:380)
at javax.swing.UIManager.getColor(UIManager.java:590)
at javax.swing.LookAndFeel.installColors(LookAndFeel.java:58)
at javax.swing.LookAndFeel.installColorsAndFont(LookAndFeel.java:92)
at javax.swing.plaf.basic.BasicPanelUI.installDefaults(BasicPanelUI.java:49)
at javax.swing.plaf.basic.BasicPanelUI.installUI(BasicPanelUI.java:39)
at javax.swing.JComponent.setUI(JComponent.java:652)
at javax.swing.JPanel.setUI(JPanel.java:131)
at javax.swing.JPanel.updateUI(JPanel.java:104)
at javax.swing.JPanel.<init>(JPanel.java:64)
at javax.swing.JPanel.<init>(JPanel.java:87)
at javax.swing.JPanel.<init>(JPanel.java:95)
at DrawCircle.<init>(DrawCircle.java:7)
at DrawCircle.<init>(DrawCircle.java:6)
import java.awt.event.*;
import javax.swing.*;
import java.awt.*;
public class GUI{
DrawCircle circle = new DrawCircle(100,100,50);
private JButton UpButton, DownButton, LeftButton, RightButton, IncreaseButton, DecreaseButton, InputButton;
public void drawframe(){
final JFrame CircleFrame = new JFrame("Frame for Circle");
CircleFrame.getContentPane().add(circle);
CircleFrame.setSize(200,200);
CircleFrame.setVisible(true);
UpButton = new JButton("UP");
UpButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e){
circle.up();
if(circle.getY() - circle.getR() <= 0) {
JOptionPane.showMessageDialog( CircleFrame, "Out of window");
circle.setY(circle.getY() +10);
RightButton = new JButton("RIGHT");
RightButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
circle.right();
if(circle.getX() + circle.getR() >= 500) {
JOptionPane.showMessageDialog( CircleFrame, "Out of window");
circle.setX(circle.getX() -10);
LeftButton = new JButton("LEFT");
LeftButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
circle.left();
if(circle.getX() - circle.getR() <= 0) {
JOptionPane.showMessageDialog( CircleFrame, "Out of window");
circle.setX(circle.getX() +10);
DownButton = new JButton("DOWN");
DownButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
circle.down();
System.out.println(circle.getY());
if(circle.getY() + circle.getR() >= 500) {
JOptionPane.showMessageDialog( CircleFrame, "Out of window");
circle.setY(circle.getY() -10);
IncreaseButton = new JButton("INCREASE");
IncreaseButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
circle.increase();
if(circle.getY() + circle.getR() >= 500) {
JOptionPane.showMessageDialog( CircleFrame, "Out of window");
circle.setR(circle.getR() -10);
} else if(circle.getX() + circle.getR() >= 500) {
JOptionPane.showMessageDialog( CircleFrame, "Out of window");
DecreaseButton = new JButton("decrease");
DecreaseButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
circle.decrease();
JPanel ButtonPanel = new JPanel();
ButtonPanel.add(IncreaseButton);
ButtonPanel.add(DecreaseButton);
ButtonPanel.add(DownButton);
ButtonPanel.add(LeftButton);
ButtonPanel.add(RightButton);
ButtonPanel.add(UpButton);
ButtonPanel.setLayout(new BoxLayout(ButtonPanel, BoxLayout.Y_AXIS));
JFrame mainFrame = new JFrame("GUI for Circle Drawing");
mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE );
mainFrame.add(ButtonPanel);
mainFrame.pack();
mainFrame.setVisible(true);
public static void main(String [] args) {
GUI intf = new GUI();
intf.drawframe();
}and the DrawCircle Class is
import java.awt.*;
import javax.swing.*;
public class DrawCircle extends JPanel{
private int x, y, r;
DrawCircle circle = new DrawCircle(100, 100, 50);
public DrawCircle( int x , int y , int r){
this.x = x;
this.y = y;
this.r = r;
public int getR(){
return r;
public int getX(){
return x;
public int getY(){
return y;
public void setX(int x) {
this.x = x;
repaint();
public void setY(int y) {
this.y = y;
repaint();
public void setR(int r) {
this.r = r;
repaint();
public void paint(Graphics g){
g.clearRect(0,0,400,400);
g.drawOval(x-r, y-r, r*2, r*2);
public void up() {
circle.setY(circle.getY() -10);
public void down() {
circle.setY(circle.getY() +10);
public void right() {
circle.setX(circle.getX() +10);
public void left() {
circle.setX(circle.getX() -10);
public void increase() {
circle.setR(circle.getR() +10);
public void decrease() {
circle.setR(circle.getR() -10);
The problem is that you're constructing a new DrawCircle each time you construct a new DrawCircle, resulting in infinite recursion causing a stack overflow.
This line:DrawCircle circle = new DrawCircle(100, 100, 50);in your DrawCircle class is causing the problem, do you need it? Remove it and replace references to 'circle' in the class with 'this'. -
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never run into this problem before.
When I am in 'Design' mode, I click 'Layout' and then choose
the 'Draw Layer' tool. When I go to draw the layer on a blank
page...nothing. I mean...nothing. It won't draw a layer. It worked
great on Friday, but I get to work today and nothing.
Anybody know what could have caused this? More importantly,
anyone know how to fix this?
Thanks in advance!!What DW and what OS?
Murray --- ICQ 71997575
Adobe Community Expert
(If you *MUST* email me, don't LAUGH when you do so!)
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==================
"baldtrainer" <[email protected]> wrote in
message
news:e61dd7$fkc$[email protected]..
> So, I've been using Dreamweaver for about 3 years and
have never run into
> this
> problem before.
>
> When I am in 'Design' mode, I click 'Layout' and then
choose the 'Draw
> Layer'
> tool. When I go to draw the layer on a blank
page...nothing. I
> mean...nothing. It won't draw a layer. It worked great
on Friday, but I
> get
> to work today and nothing.
>
> Anybody know what could have caused this? More
importantly, anyone know
> how
> to fix this?
>
> Thanks in advance!!
> -
Hello!
I'm trying to develop on Flash a online drawing/painting tool
like
this one and, I don't know
how to create the
save to server functionality. How can I save the result
picture to server? I'm using a MySQL database and Drupal CMS.
If there's someone able to give me a help, it'll be gratfull
received.
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I've just tried converting a file (Foscam demo.vi) from LV2012 to LV2011 and also got a Timeout error. I guess the vi uses Vision toolkit, this may be the reason. Could you check, please. Thanks
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There are only two ways to tell somebody thanks: Kudos and Marked Solutions
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So let's wait until Nvidia/Lenovo roll out a new driver.
Message Edited by mikey on 11-24-2008 07:57 AM
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