HTML canvas rotate() 方法
将矩形旋转 20 度: YourbrowserdoesnotsupporttheHTML5canvastag. JavaScript: 实例 Run this code » var c=document.getElementById("my...
将矩形旋转 20 度: YourbrowserdoesnotsupporttheHTML5canvastag. JavaScript: 实例 Run this code » var c=document.getElementById("my...
绘制矩形,放大到 200%,然后再次绘制矩形: YourbrowserdoesnotsupporttheHTML5canvastag. JavaScript: 实例 Run this code » var c=document.getEle...
如果点 20,50 位于当前路径中,则绘制一个矩形: YourbrowserdoesnotsupporttheHTML5canvastag. JavaScript: 实例 Run this code » var c=document.get...
在画布上创建介于两个切线之间的弧: YourbrowserdoesnotsupporttheHTML5canvastag. JavaScript: 实例 Run this code » var c=document.getElementBy...
创建一个圆形: YourbrowserdoesnotsupporttheHTML5canvastag. JavaScript: 实例 Run this code » var c=document.getElementById("myCanv...
绘制一条三次贝塞尔曲线: YourbrowserdoesnotsupporttheHTML5canvastag. JavaScript: 实例 Run this code » var c=document.getElementById("m...
绘制一条二次贝塞尔曲线: YourbrowserdoesnotsupporttheHTML5canvastag. JavaScript: 实例 Run this code » var c=document.getElementById("m...
从画布中剪切 200*120 像素的矩形区域。然后,绘制一个红色矩形。只有被剪切区域内的红色矩形部分是可见的: YourbrowserdoesnotsupporttheHTML5canvastag. JavaScript: 实例 Run t...
开始一条路径,移动到位置 0,0。创建到达位置 300,150 的一条线: YourbrowserdoesnotsupporttheHTML5canvastag. JavaScript: 实例 Run this code » var c=d...
绘制一条路径,形式是字母 L,然后绘制线条以返回开始点: YourbrowserdoesnotsupporttheHTML5canvastag. JavaScript: 实例 Run this code » var c=document.g...