function BallItemRenderer() {
this.canvas = null;
this.graphics = this.canvas.getContext("2d");
this.stroke;
this.fill;
this.cubeDepth = 0;
this.cubeAngleRatio = 0;
this.draw = function(x, y, width, height) {
var g = this.graphics;
if(g) {
if(this.stroke && this.stroke.color)
g.strokeStyle = GraphicsUtils.color2rgba(this.stroke.color, this.stroke.alpha);
if(this.stroke && this.stroke.weight)
g.lineWidth = this.stroke.weight;
else
g.lineWidth = 1;
var rad = width * 0.5;
var tx = this.cubeAngleRatio * rad * 0.5;
var radgrad = g.createRadialGradient(x+rad-tx, y+rad-tx, 1, x+rad, y+rad, rad);
var alpha = isObject(this.fill) ? this.fill.alpha : 1;
radgrad.addColorStop(0, "rgba(255,255,255," + alpha + ")");
radgrad.addColorStop(1, GraphicsUtils.adjustBrightness(this.fill, 0));
g.fillStyle = radgrad;
g.beginPath();
g.arc(x+rad, y+rad, rad, 0, Math.PI*2, true);
g.fill();
if(this.stroke && this.stroke.weight)
g.stroke();
}
}
}
我正在尝试将画布改为svg。但这对我来说太难了。 该源适用于项目渲染。 如何将画布更改为svg? 请帮忙.. 需要样品..
答案 0 :(得分:0)
使用a circle
element(example)和a radialGradient
element(example)。您需要使用DOM来创建和操作适当的元素。