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- // https://d3js.org/d3-zoom/ v3.0.0 Copyright 2010-2021 Mike Bostock
- !function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("d3-dispatch"),require("d3-drag"),require("d3-interpolate"),require("d3-selection"),require("d3-transition")):"function"==typeof define&&define.amd?define(["exports","d3-dispatch","d3-drag","d3-interpolate","d3-selection","d3-transition"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).d3=t.d3||{},t.d3,t.d3,t.d3,t.d3,t.d3)}(this,(function(t,e,n,o,i,r){"use strict";var u=t=>()=>t;function s(t,{sourceEvent:e,target:n,transform:o,dispatch:i}){Object.defineProperties(this,{type:{value:t,enumerable:!0,configurable:!0},sourceEvent:{value:e,enumerable:!0,configurable:!0},target:{value:n,enumerable:!0,configurable:!0},transform:{value:o,enumerable:!0,configurable:!0},_:{value:i}})}function h(t,e,n){this.k=t,this.x=e,this.y=n}h.prototype={constructor:h,scale:function(t){return 1===t?this:new h(this.k*t,this.x,this.y)},translate:function(t,e){return 0===t&0===e?this:new h(this.k,this.x+this.k*t,this.y+this.k*e)},apply:function(t){return[t[0]*this.k+this.x,t[1]*this.k+this.y]},applyX:function(t){return t*this.k+this.x},applyY:function(t){return t*this.k+this.y},invert:function(t){return[(t[0]-this.x)/this.k,(t[1]-this.y)/this.k]},invertX:function(t){return(t-this.x)/this.k},invertY:function(t){return(t-this.y)/this.k},rescaleX:function(t){return t.copy().domain(t.range().map(this.invertX,this).map(t.invert,t))},rescaleY:function(t){return t.copy().domain(t.range().map(this.invertY,this).map(t.invert,t))},toString:function(){return"translate("+this.x+","+this.y+") scale("+this.k+")"}};var a=new h(1,0,0);function c(t){for(;!t.__zoom;)if(!(t=t.parentNode))return a;return t.__zoom}function l(t){t.stopImmediatePropagation()}function f(t){t.preventDefault(),t.stopImmediatePropagation()}function p(t){return!(t.ctrlKey&&"wheel"!==t.type||t.button)}function m(){var t=this;return t instanceof SVGElement?(t=t.ownerSVGElement||t).hasAttribute("viewBox")?[[(t=t.viewBox.baseVal).x,t.y],[t.x+t.width,t.y+t.height]]:[[0,0],[t.width.baseVal.value,t.height.baseVal.value]]:[[0,0],[t.clientWidth,t.clientHeight]]}function v(){return this.__zoom||a}function d(t){return-t.deltaY*(1===t.deltaMode?.05:t.deltaMode?1:.002)*(t.ctrlKey?10:1)}function y(){return navigator.maxTouchPoints||"ontouchstart"in this}function g(t,e,n){var o=t.invertX(e[0][0])-n[0][0],i=t.invertX(e[1][0])-n[1][0],r=t.invertY(e[0][1])-n[0][1],u=t.invertY(e[1][1])-n[1][1];return t.translate(i>o?(o+i)/2:Math.min(0,o)||Math.max(0,i),u>r?(r+u)/2:Math.min(0,r)||Math.max(0,u))}c.prototype=h.prototype,t.ZoomTransform=h,t.zoom=function(){var t,c,z,_=p,x=m,k=g,w=d,b=y,T=[0,1/0],M=[[-1/0,-1/0],[1/0,1/0]],E=250,Y=o.interpolateZoom,X=e.dispatch("start","zoom","end"),q=500,D=0,P=10;function V(t){t.property("__zoom",v).on("wheel.zoom",O,{passive:!1}).on("mousedown.zoom",Z).on("dblclick.zoom",A).filter(b).on("touchstart.zoom",H).on("touchmove.zoom",N).on("touchend.zoom touchcancel.zoom",W).style("-webkit-tap-highlight-color","rgba(0,0,0,0)")}function B(t,e){return(e=Math.max(T[0],Math.min(T[1],e)))===t.k?t:new h(e,t.x,t.y)}function j(t,e,n){var o=e[0]-n[0]*t.k,i=e[1]-n[1]*t.k;return o===t.x&&i===t.y?t:new h(t.k,o,i)}function I(t){return[(+t[0][0]+ +t[1][0])/2,(+t[0][1]+ +t[1][1])/2]}function K(t,e,n,o){t.on("start.zoom",(function(){S(this,arguments).event(o).start()})).on("interrupt.zoom end.zoom",(function(){S(this,arguments).event(o).end()})).tween("zoom",(function(){var t=this,i=arguments,r=S(t,i).event(o),u=x.apply(t,i),s=null==n?I(u):"function"==typeof n?n.apply(t,i):n,a=Math.max(u[1][0]-u[0][0],u[1][1]-u[0][1]),c=t.__zoom,l="function"==typeof e?e.apply(t,i):e,f=Y(c.invert(s).concat(a/c.k),l.invert(s).concat(a/l.k));return function(t){if(1===t)t=l;else{var e=f(t),n=a/e[2];t=new h(n,s[0]-e[0]*n,s[1]-e[1]*n)}r.zoom(null,t)}}))}function S(t,e,n){return!n&&t.__zooming||new G(t,e)}function G(t,e){this.that=t,this.args=e,this.active=0,this.sourceEvent=null,this.extent=x.apply(t,e),this.taps=0}function O(t,...e){if(_.apply(this,arguments)){var n=S(this,e).event(t),o=this.__zoom,u=Math.max(T[0],Math.min(T[1],o.k*Math.pow(2,w.apply(this,arguments)))),s=i.pointer(t);if(n.wheel)n.mouse[0][0]===s[0]&&n.mouse[0][1]===s[1]||(n.mouse[1]=o.invert(n.mouse[0]=s)),clearTimeout(n.wheel);else{if(o.k===u)return;n.mouse=[s,o.invert(s)],r.interrupt(this),n.start()}f(t),n.wheel=setTimeout(h,150),n.zoom("mouse",k(j(B(o,u),n.mouse[0],n.mouse[1]),n.extent,M))}function h(){n.wheel=null,n.end()}}function Z(t,...e){if(!z&&_.apply(this,arguments)){var o=t.currentTarget,u=S(this,e,!0).event(t),s=i.select(t.view).on("mousemove.zoom",p,!0).on("mouseup.zoom",m,!0),h=i.pointer(t,o),a=t.clientX,c=t.clientY;n.dragDisable(t.view),l(t),u.mouse=[h,this.__zoom.invert(h)],r.interrupt(this),u.start()}function p(t){if(f(t),!u.moved){var e=t.clientX-a,n=t.clientY-c;u.moved=e*e+n*n>D}u.event(t).zoom("mouse",k(j(u.that.__zoom,u.mouse[0]=i.pointer(t,o),u.mouse[1]),u.extent,M))}function m(t){s.on("mousemove.zoom mouseup.zoom",null),n.dragEnable(t.view,u.moved),f(t),u.event(t).end()}}function A(t,...e){if(_.apply(this,arguments)){var n=this.__zoom,o=i.pointer(t.changedTouches?t.changedTouches[0]:t,this),r=n.invert(o),u=n.k*(t.shiftKey?.5:2),s=k(j(B(n,u),o,r),x.apply(this,e),M);f(t),E>0?i.select(this).transition().duration(E).call(K,s,o,t):i.select(this).call(V.transform,s,o,t)}}function H(e,...n){if(_.apply(this,arguments)){var o,u,s,h,a=e.touches,f=a.length,p=S(this,n,e.changedTouches.length===f).event(e);for(l(e),u=0;u<f;++u)s=a[u],h=[h=i.pointer(s,this),this.__zoom.invert(h),s.identifier],p.touch0?p.touch1||p.touch0[2]===h[2]||(p.touch1=h,p.taps=0):(p.touch0=h,o=!0,p.taps=1+!!t);t&&(t=clearTimeout(t)),o&&(p.taps<2&&(c=h[0],t=setTimeout((function(){t=null}),q)),r.interrupt(this),p.start())}}function N(t,...e){if(this.__zooming){var n,o,r,u,s=S(this,e).event(t),h=t.changedTouches,a=h.length;for(f(t),n=0;n<a;++n)o=h[n],r=i.pointer(o,this),s.touch0&&s.touch0[2]===o.identifier?s.touch0[0]=r:s.touch1&&s.touch1[2]===o.identifier&&(s.touch1[0]=r);if(o=s.that.__zoom,s.touch1){var c=s.touch0[0],l=s.touch0[1],p=s.touch1[0],m=s.touch1[1],v=(v=p[0]-c[0])*v+(v=p[1]-c[1])*v,d=(d=m[0]-l[0])*d+(d=m[1]-l[1])*d;o=B(o,Math.sqrt(v/d)),r=[(c[0]+p[0])/2,(c[1]+p[1])/2],u=[(l[0]+m[0])/2,(l[1]+m[1])/2]}else{if(!s.touch0)return;r=s.touch0[0],u=s.touch0[1]}s.zoom("touch",k(j(o,r,u),s.extent,M))}}function W(t,...e){if(this.__zooming){var n,o,r=S(this,e).event(t),u=t.changedTouches,s=u.length;for(l(t),z&&clearTimeout(z),z=setTimeout((function(){z=null}),q),n=0;n<s;++n)o=u[n],r.touch0&&r.touch0[2]===o.identifier?delete r.touch0:r.touch1&&r.touch1[2]===o.identifier&&delete r.touch1;if(r.touch1&&!r.touch0&&(r.touch0=r.touch1,delete r.touch1),r.touch0)r.touch0[1]=this.__zoom.invert(r.touch0[0]);else if(r.end(),2===r.taps&&(o=i.pointer(o,this),Math.hypot(c[0]-o[0],c[1]-o[1])<P)){var h=i.select(this).on("dblclick.zoom");h&&h.apply(this,arguments)}}}return V.transform=function(t,e,n,o){var i=t.selection?t.selection():t;i.property("__zoom",v),t!==i?K(t,e,n,o):i.interrupt().each((function(){S(this,arguments).event(o).start().zoom(null,"function"==typeof e?e.apply(this,arguments):e).end()}))},V.scaleBy=function(t,e,n,o){V.scaleTo(t,(function(){var t=this.__zoom.k,n="function"==typeof e?e.apply(this,arguments):e;return t*n}),n,o)},V.scaleTo=function(t,e,n,o){V.transform(t,(function(){var t=x.apply(this,arguments),o=this.__zoom,i=null==n?I(t):"function"==typeof n?n.apply(this,arguments):n,r=o.invert(i),u="function"==typeof e?e.apply(this,arguments):e;return k(j(B(o,u),i,r),t,M)}),n,o)},V.translateBy=function(t,e,n,o){V.transform(t,(function(){return k(this.__zoom.translate("function"==typeof e?e.apply(this,arguments):e,"function"==typeof n?n.apply(this,arguments):n),x.apply(this,arguments),M)}),null,o)},V.translateTo=function(t,e,n,o,i){V.transform(t,(function(){var t=x.apply(this,arguments),i=this.__zoom,r=null==o?I(t):"function"==typeof o?o.apply(this,arguments):o;return k(a.translate(r[0],r[1]).scale(i.k).translate("function"==typeof e?-e.apply(this,arguments):-e,"function"==typeof n?-n.apply(this,arguments):-n),t,M)}),o,i)},G.prototype={event:function(t){return t&&(this.sourceEvent=t),this},start:function(){return 1==++this.active&&(this.that.__zooming=this,this.emit("start")),this},zoom:function(t,e){return this.mouse&&"mouse"!==t&&(this.mouse[1]=e.invert(this.mouse[0])),this.touch0&&"touch"!==t&&(this.touch0[1]=e.invert(this.touch0[0])),this.touch1&&"touch"!==t&&(this.touch1[1]=e.invert(this.touch1[0])),this.that.__zoom=e,this.emit("zoom"),this},end:function(){return 0==--this.active&&(delete this.that.__zooming,this.emit("end")),this},emit:function(t){var e=i.select(this.that).datum();X.call(t,this.that,new s(t,{sourceEvent:this.sourceEvent,target:V,type:t,transform:this.that.__zoom,dispatch:X}),e)}},V.wheelDelta=function(t){return arguments.length?(w="function"==typeof t?t:u(+t),V):w},V.filter=function(t){return arguments.length?(_="function"==typeof t?t:u(!!t),V):_},V.touchable=function(t){return arguments.length?(b="function"==typeof t?t:u(!!t),V):b},V.extent=function(t){return arguments.length?(x="function"==typeof t?t:u([[+t[0][0],+t[0][1]],[+t[1][0],+t[1][1]]]),V):x},V.scaleExtent=function(t){return arguments.length?(T[0]=+t[0],T[1]=+t[1],V):[T[0],T[1]]},V.translateExtent=function(t){return arguments.length?(M[0][0]=+t[0][0],M[1][0]=+t[1][0],M[0][1]=+t[0][1],M[1][1]=+t[1][1],V):[[M[0][0],M[0][1]],[M[1][0],M[1][1]]]},V.constrain=function(t){return arguments.length?(k=t,V):k},V.duration=function(t){return arguments.length?(E=+t,V):E},V.interpolate=function(t){return arguments.length?(Y=t,V):Y},V.on=function(){var t=X.on.apply(X,arguments);return t===X?V:t},V.clickDistance=function(t){return arguments.length?(D=(t=+t)*t,V):Math.sqrt(D)},V.tapDistance=function(t){return arguments.length?(P=+t,V):P},V},t.zoomIdentity=a,t.zoomTransform=c,Object.defineProperty(t,"__esModule",{value:!0})}));
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