Rough.js 介绍
Rough.js 是一个轻量级的（大约8k），基于 Canvas
的可以绘制出粗略的手绘风格的图形库。该库提供绘制线条、曲线、弧线、多边形、圆形和椭圆的基础能力，同时支持绘制 SVG 路径。
const rc = rough.canvas(document.getElementById('canvas'));
rc.rectangle(10, 10, 200, 200); // x, y, width, height
线条和椭圆
rc.circle(80, 120, 50); // centerX, centerY, diameter rc.ellipse(300, 100, 150, 80); // centerX, centerY, width, height rc.line(80, 120, 300, 100); // x1, y1, x2, y2
填充
rc.circle(50, 50, 80, { fill: 'red' }); // fill with red hachure
rc.rectangle(120, 15, 80, 80, { fill: 'red' });
rc.circle(50, 150, 80, {
fill: "rgb(10,150,10)",
fillWeight: 3 // thicker lines for hachure
});
rc.rectangle(220, 15, 80, 80, {
fill: 'red',
hachureAngle: 60, // angle of hachure,
hachureGap: 8
});
rc.rectangle(120, 105, 80, 80, {
fill: 'rgba(255,0,200,0.2)',
fillStyle: 'solid' // solid fill
});
草绘风格
rc.rectangle(15, 15, 80, 80, { roughness: 0.5, fill: 'red' });
rc.rectangle(120, 15, 80, 80, { roughness: 2.8, fill: 'blue' });
rc.rectangle(220, 15, 80, 80, { bowing: 6, stroke: 'green', strokeWidth: 3 });
SVG 路径
rc.path('M80 80 A 45 45, 0, 0, 0, 125 125 L 125 80 Z', { fill: 'green' });
rc.path('M230 80 A 45 45, 0, 1, 0, 275 125 L 275 80 Z', { fill: 'purple' });
rc.path('M80 230 A 45 45, 0, 0, 1, 125 275 L 125 230 Z', { fill: 'red' });
rc.path('M230 230 A 45 45, 0, 1, 1, 275 275 L 275 230 Z', { fill: 'blue' });