HTML canvas isPointInPath() 方法

Manhajar HTML5 Canvas

定义和用法

isPointInPath() 方法 a baiwa true，baiwa akwai pata a kanamiciya; ko tasi a baiwa false。

Mukada

Yin bir fari, baiwa akwai 20,50 ni kaiyanci a kanamiciya:

Kanin dake a kanamiciya HTML5 canvas tag.

JavaScript:

var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
ctx.rect(20,20,150,100);
if (ctx.isPointInPath(20,50))
   {
   ctx.stroke();
   };

Fada shi shi aiki

Lunwuri

context.isPointInPath(x,y);

Kwayar wata

Tsarin Tsarin
x Yanayin yin ƙarfi x
y Yanayin yin ƙarfi y

Manhajar da su aiki

Manhajar da yawa da ke cikin tabbin na bayan na farko da su aiki da kwayar wata.

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
4.0 9.0 3.6 4.0 10.1

Tsunan:Internet Explorer 8 da yadda su kai tsaye ba su aiki <canvas> ƙaddar ba.

Manhajar HTML5 Canvas