jcanvas | jQuery plugin that makes the HTML5 canvas easy | Canvas library
kandi X-RAY | jcanvas Summary
kandi X-RAY | jcanvas Summary
jCanvas is a jQuery plugin that makes the HTML5 canvas easy to work with. jCanvas requires jQuery 1.4 or newer, and supports both desktop and mobile browsers.
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Top functions reviewed by kandi - BETA
- Add a handle to the handle
- Handle the given layer
- Add a layer to the canvas
- Draw an image using specified parameters
- Gets the canvas data
- Wrap text with a given context
- Draws an arc
- Update layer groups .
- Step step 1
- draws a vector
jcanvas Key Features
jcanvas Examples and Code Snippets
Lines of Code : 40License : Strong Copyleft (CC BY-SA 4.0)
Copy// ==UserScript==
// @name _Overlay the only image
// @match *://YOUR_SERVER.COM/YOUR_PATH/*
// @require https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js
// @grant GM_addStyle
// @grant GM.listValues
//
var MyViewModel = function () {
var self = this;
self.items = ko.observableArray(
[
{ itemId: 1, description: "Item #1" },
{ itemId: 2, desccanvas.style.width = "100px";
canvas.style.height = "100px";
canvas.width = 100;
canvas.height = 100;
var bounds = jcanvas.getBoundingClientRect();
jcanvas.width = bounds.width;
jcanvas.heiCommunity Discussions
Trending Discussions on jcanvas
QUESTION
I wanted to enhance the drawing application I built with JS by allowing the user to draw various shapes. I want to make it convenient for the users by allowing them to drag these shapes around. So I used jCanvas, since it offers a simple way of dragging a shape:
...ANSWER
Answered 2021-Feb-22 at 11:25You are not using Layer explicitly, but when you set drag property the Canvas create a layer:
Layers can be made draggable using the draggable property.
https://projects.calebevans.me/jcanvas/docs/draggableLayers/
So, clearCanvas is not suitable:
This method is not meant to be used if you are using the jCanvas Layer API, because the API handles redrawing for you in many cases, and so if you try to clear the canvas. you layers will eventually be redrawn by jCanvas when it deems necessary.
You need remove the layer:
QUESTION
Im using jCanvas to make flyer editor with jQuery : https://projects.calebevans.me/jcanvas/
...ANSWER
Answered 2020-Jul-12 at 06:03In you current code you where sending only one value in updateCanvasIMG so the other value was returning null and was not loading image.Instead in below code i have declare 2 variable to save value of pic_broadcaster and pic_challenger and have check if the value is not empty .If the value are empty for another file send default image url to your function updateCanvasIMG.
Demo Code :
QUESTION
I am making a pong game, and I am trying to add scores to it. It is not adding scores, no matter what I do. There is nothing in console. I couldn't find anything on google for it. Since the source code is very long, I will just paste the link. Here is the Html & Js:
...ANSWER
Answered 2020-Jun-11 at 00:41You are resetting the game before you check who wins. And you have to use innerHTML to write to the contents of the DOM element. What you are doing is just assigning the variable playertwoscore to the value of scoretwo. setting
Faulty code is here:
QUESTION
This is within the Bismon project (a GPLv3+ software funded by H2020 European projects), git commit 0e9a8eccc2976f. This draft report describes the software. This question gives more context and motivations.
It is about the (hand-written) webroot/jscript/bismon-hwroot.js file, used in some HTML page whose code is generated by Bismon (a specialized web server above libonion).
I added some CSS class for span, e.g. span.bmcl_evalprompt (e.g. in my file first-theme.css).
How do I code the JavaScript to add a text piece in a canvas (preferably using jcanvas with jquery) having the same style (same font, color, etc...) as that span.bmcl_evalprompt ? Do I need to create such a span element in my DOM? Is that even simply possible?
I only care about a recent Firefox (68 at least) on Linux. JQuery is 3.4. I am also using Jquery UI 1.12.1
The idea I had in my mind was to create one single element with coordinates far away from the browser viewport (or X11 window), e.g. at x= -10000 and y= -10000 (in pixels), then add that single badly positioned element into the document DOM, then use traditional Jquery techniques to get the font family, font size, and element size. But is there any better way? Or some Jquery compatible library doing that?
ANSWER
Answered 2020-Jan-14 at 11:45If you simply want to render the text from your span in a canvas, you can access the styling attributes using the function window.getComputedStyle. To make the original span invisible, set its style to display: none.
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