はい
いくつかの例をありがとう:http://jsfiddle.net/fabricjs/58y8b/
// initialize fabric canvas and assign to global windows object for debug
var canvas = window._canvas = new fabric.Canvas('c');
// Do some initializing stuff
fabric.Object.prototype.set({
transparentCorners: false,
cornerColor: 'rgba(102,153,255,0.5)',
cornerSize: 12,
padding: 5
});
// Initialze the example
var rect1 = new fabric.Rect({
left: 100,
top: 100,
width: 100,
height: 100,
fill: '#ffda4f'
});
var rect2 = new fabric.Rect({
left: 250,
top: 100,
width: 100,
height: 100,
fill: 'rgb(111,154,211)'
});
var rect3 = new fabric.Rect({
left: 400,
top: 100,
width: 100,
height: 100,
fill: 'rgb(166,111,213)'
});
var rect4 = new fabric.Rect({
left: 100,
top: 400,
width: 100,
height: 100,
fill: '#ffda4f'
});
var rect5 = new fabric.Rect({
left: 250,
top: 400,
width: 100,
height: 100,
fill: 'rgb(111,154,211)'
});
var rect6 = new fabric.Rect({
left: 400,
top: 400,
width: 100,
height: 100,
fill: 'rgb(166,111,213)'
});
canvas.add(rect1, rect2, rect3, rect4, rect5, rect6);
/**
* setGradient linear gradients example
*/
// horizontal linear gradient
rect1.setGradient('fill', {
type: 'linear',
x1: -rect1.width/2,
y1: 0,
x2: rect1.width/2,
y2: 0,
colorStops: {
0: '#ffe47b',
1: 'rgb(111,154,211)'
}
});
// vertical linear gradient
rect2.setGradient('fill', {
type: 'linear',
x1: 0,
y1: -rect2.height/2,
x2: 0,
y2: rect2.height/2,
colorStops: {
0: '#ff4040',
1: '#e6399b'
}
});
// diagonal linear gradient
rect3.setGradient('fill', {
type: 'linear',
x1: -rect3.width/2,
y1: -rect3.height/2,
x2: rect3.width/2,
y2: rect3.height/2,
colorStops: {
0: 'rgb(166,111,213)',
0.5: 'rgba(106, 72, 215, 0.5)',
1: '#200772'
}
});
/**
* setGradient radial gradients example
*/
// radial gradient
rect4.setGradient('fill', {
type: 'radial',
r1: rect4.width/2,
r2: 10,
x1: 0,
y1: 0,
x2: 0,
y2: 0,
colorStops: {
0: '#FF4F4F',
1: 'rgb(255, 239, 64)'
}
});
// radial gradient
rect5.setGradient('fill', {
type: 'radial',
r1: rect5.width/2,
r2: 10,
x1: 0,
y1: 0,
x2: rect4.width/4,
y2: rect4.height/4,
colorStops: {
0: '#ffe47b',
0.5: 'rgb(111,154,211)',
1: 'rgb(166,111,213)'
}
});
// radial gradient
rect6.setGradient('fill', {
type: 'radial',
r1: 50,
r2: 80,
x1: 45,
y1: 45,
x2: 52,
y2: 50,
colorStops: {
0: 'rgb(155, 237, 0)',
1: 'rgba(0, 164, 128,0.4)'
}
});
canvas.renderAll();