zk.canvas

Class Canvas

java.lang.Object

zk.canvas.Canvas

public class Canvas
extends java.lang.Object

Utilities to create and manipulate the canvas element.

Since:

5.0.2

Method Summary

Modifier and Type	Method and Description
static DOMElement	create(int width, int height) Creates a canvas element.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

create

public static DOMElement create(int width,
                                int height)

Creates a canvas element.

For example,

 var main = jq("#main");
 main.append(canvas);
 var canvas = zk.canvas.Canvas.create(main.clientWidth, main.clientHeight);
 var ctx = canvas.getContext("2d");
 ctx.fillStyle = "rgb(200,0,0)";
 ctx.fillRect (10, 10, 55, 50);

 ctx.fillStyle = "rgba(0, 0, 200, 0.5)";
 ctx.fillRect (30, 30, 255, 50);
 

Parameters:

width - the width. Ignored if not specified. Notice that it accepts only integer (unlike other DOM element)

height - the height. Ignored if not specified. Notice that it accepts only integer (unlike other DOM element)

Returns:

DOMElement