效果
画布外套一层画板和一层画框,拖动画布时让画板在画框中滚动
源码
<div id="wrap" style="overflow: auto;height:300px;width:300px;background-color...const $PAPER = $("#paper"), $WRAP = $("#wrap");
$PAPER.css('cursor', 'grab');
// 通过jointjs点击事件绑定.../解绑wrap的鼠标移动事件
paper.on('blank:pointerdown', function (evt, x, y) {
const originX = evt.offsetX...,
originY = evt.offsetY;
$PAPER.css('cursor', 'grabbing');
$WRAP.on('mousemove...('blank:pointerup', function (evt, x, y) {
$PAPER.css('cursor', 'grab');
$WRAP.off('mousemove