Questions tagged [canvas]
Canvas is a generic term for the drawing surface used with many free-form graphics output APIs. Use this tag with other tags that indicate the specific graphics API that is being used along with the programming language and the target environment: [android], [uwp], [wpf], [tkinter], [java], [html5], [chart.js] etc. Also include a specific canvas tag such as [android-canvas], [html5-canvas], [tkinter-canvas] if appropriate.
canvas
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Problem with Enemy State Update in React for Multiplayer Game: Projectiles Not Following Moving Enemies
I am working on a multiplayer tower defense game using React, where enemies and defenders are updated and rendered on a canvas. I’m encountering an issue where the enemy state is not updating ...
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Tkinter canvas object tag_bind causing memory leak
If I monitor the Windows task manager while a program of mine is running, I see a memory usage number that goes up continuously. I wrote the attached code to demonstrate the problem. Once a tag_bind ...
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2D Canvas | Smooth camera without jitter
In my demo, you can see that the player's camera catches up with the player's position with a slight delay. It follows him until the player finally stops, gradually reducing the distance.
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Flutter: customepaint and gesture out of sync when offscreen
I am developing a node editor sort of app, in which you can add nodes and connect them with a noodle connection (like in blender and Unreal engine), I am facing a problem when a node is dragged off ...
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Drawing iText7 Canvas lines does not always fill page
I have the following code to apply a full page grid to an existing A4 pdf document.
It works fine on pdfs I or others have produced with iText, but when I try to use on a PDF that has been created by ...
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canvas.setBackgroundImage is not a function Reactjs-Fabricjs
I am working on a project where I am using fabricjs with reactjs. I am trying to upload an image through an input tag and set it up as a background for the canvas.
Here is my code:
import React, { ...
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Android Jetpack Compose Canvas - How to zoom/magnify part of image using canvas?
I have two images stacked on top of each other: one is colored, and the other is grayscale. I want to implement a feature where, whenever the user drags on the image, a rectangular area above their ...
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Fabric.js on Next.js > TypeError: Cannot read properties of undefined (reading 'Canvas') > const canvas = new fabric.Canvas(canvasRef.current, {
While creating a Figma Clone with Next.js, I'm getting the following error when importing fabric.js. Applying the suggestions from Claude temporarily solves the issue, but it seems this isn't the ...
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how to draw an arc with fabric.js pencil brush?
I want to use pencil brush of fabric.js to make a tool to let user can draw an arc by dragging and dropping.
I make a function：
public static setArcBrush(canvas: fabric.Canvas, cellWidth: number) { ...
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Canvas not scaling UI elements
I just found out about the "scale with screen size" feature and now wanted to use it. Because I am working on a 2560x1440 display, that is what I used, but if I switch my view to 1920x1080, ...
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Kotlin databinding for a custom view (canvas) for a recyclerview with multiple viewtypes
Previously I used kotlin synthetics, but now I'm trying to upgrade to data binding.
I have a recyclerview in a fragment and it will have multiple view types all of which will be custom-draw with a ...
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How Can I Achieve SVG Design with Canvas Performance in a React Application?
I'm developing a React application that needs to render a large number of elements. I've implemented the rendering using both and .
Canvas: Provides excellent performance and smooth rendering.
SVG: ...
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2D smooth movement from scratch (javascript, pixelart)
My interest in game development led me to the idea of implementing the logic from scratch, without an engine.
Finally, I came to the point of optimizing the movement sequences of the background in an ...
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Three.js + Next.js Not rendering twice
The Problem
Whenever I open and close my dialog in production, the threejs scene does not remount.
Here's the expected behavior..it works just fine running locally on my machine
However, in ...
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How to draw a horizontal diamond (rhombus) with rounded corners using Canvas in flutter?
I want to have border/corner radius for my diamond widget.
Something like this:
BorderRadius.all(Radius.circular(cornerRadius))
I should probably use arcToPoint, arcTo or quadraticBezierTo functions ...
