Questions tagged [custom-painting]
147 questions
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How would you create a ring of cells in flutter?
I would like to create a widget (I know it must be a CustomPainter) to draw something like this:
Notice that there are n concentric cell circles.
The main problem is that I need to access/paint each of this cells when needed to repaint it in…
Notbad
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Flutter Callback Getting Called for Every Frame
I'm learning about custom painting, and I understand that I can tell flutter when to repaint a canvas. But if I'm developing a game, I think things would go smoother if I were called every frame so I could update any state on the gameboard and then…
shawnlg
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animation using drawRRect in flutter
Flutter- Animation using rounded rectangle method in custom painter
I am trying to create an animation in custom painter while drawing rectangle using rounded rectangle method I don't know to animate
Dharani
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How to add image and text in motion in java jFrame?
I have similar a marquee to the tags html5, text moving horizontally from right to left, works perfectly without errors.
public class texscroll extends JPanel {
private int x = 510, y = 25;
private String string = "Text in moving similary to…
user10354407
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1 answer
How can I pass an argument to paintComponent in order to call it in a different class?
In my main class I have the following code to load an image from my machine and display it on the frame to draw things on it:
public class ShowMap extends JPanel {
private static final int WIDTH = 1340;
private static final int HEIGHT =…
Taoufik Sekkat
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C#: Custom paint scroll on scrollable panel
Could someone provide an example about how to custom paint the scrollbar in a scrollable panel?
Thanks in advance.
Daniel Peñalba
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How to draw the radius of a circle without it being shorter or larger than the circumference
I am working on a program in which I want to draw a line from circle's center to its parametric point. But it draws line out of circumference and inside circumference. I want to draw line exactly on circumference according to X and Y angles. …
Ashu Ansari
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Draw lines for every mouse click and stop drawing when double clicked
I have to draw line as the mouse moves, after the mouse click, the line should be continued to draw until double clicked.
Say point A, point B and point C. when mouse clicked at point A, the drawing of line should be started. when mouse is clicked…
User
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Java, mouse drags AffineTransform
I'm working on Java Swing.
I need an application which lets the user scale a drawing.
The drawing is done inside a custom JPanel's paintComponent method.
A drawing is, lets say, a drawRect method call.
There are two ways (let me call them "modes"),…
gthanop
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how to draw and erase on touch in android
I have got no answer for this question on the internet , I'm trying to paint with different colors which the user can choose from , the problem is this drawview is not drawing anything and i don't know how o ad an on touch eraser to erase only the…
rgl
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Drawing shapes on a JForm java
I have created this code that is supposed to draw certain things when I selected a radio button on a JForm, I have used NetBeans to create the GUI. When I select a radio button nothing happens. I have been trying to figure out what's wrong for a…
hDDen
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Repaint teleports my graphic instead of smoothly moving it
So in my code I repaint my graphic in the desired direction when I press one of the W,A,S,or D keys. Instead of the graphic smoothly moving from left to right or up and down, it just goes invisible and sometimes becomes visible again, but it will…
Yout897
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android painting pencil effect
I wrote code which can painting in onTouch,this is a my code:
class DrawingPanel extends View implements View.OnTouchListener {
private static final String TAG = "DrawView";
private static final float MINP = 0.25f;
private static final float…
user_user1
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Switch between drawing a rectangle and by freehand
I have some issues with my paint program in Java.
I have a JComboBox where I can choose to draw either a rectangle or by freehand. The objects are added to an ArrayList. I want to be able to switch between drawing a rectangle and by free hand, and…
user2939293
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won't repaint a different Month after pressing button in my calendar
I'm trying to build a Calendar in Java as a little project I thought of, But I can't seem to change the name of the Month every time I click the Next button. here's my code!
package drawing;
import javax.swing.*;
import java.awt.*;
import…
DarkStar123
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