8 lines
9.6 KiB
JavaScript
8 lines
9.6 KiB
JavaScript
/**
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* Bundled by jsDelivr using Rollup v2.79.2 and Terser v5.39.0.
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* Original file: /npm/d3-zoom@3.0.0/src/index.js
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*
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* Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
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*/
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import{dispatch as t}from"../d3-dispatch@3.0.1/9ba9c7f3.js";import{dragDisable as n,dragEnable as e}from"../d3-drag@3.0.0/4202580c.js";import{interpolateZoom as o}from"../d3-interpolate@3.0.1/8d1e5425.js";import{select as i,pointer as r}from"../d3-selection@3.0.0/4d94e5b7.js";import{interrupt as u}from"../d3-transition@3.0.1/004da2ac.js";var h=t=>()=>t;function s(t,{sourceEvent:n,target:e,transform:o,dispatch:i}){Object.defineProperties(this,{type:{value:t,enumerable:!0,configurable:!0},sourceEvent:{value:n,enumerable:!0,configurable:!0},target:{value:e,enumerable:!0,configurable:!0},transform:{value:o,enumerable:!0,configurable:!0},_:{value:i}})}function a(t,n,e){this.k=t,this.x=n,this.y=e}a.prototype={constructor:a,scale:function(t){return 1===t?this:new a(this.k*t,this.x,this.y)},translate:function(t,n){return 0===t&0===n?this:new a(this.k,this.x+this.k*t,this.y+this.k*n)},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 c=new a(1,0,0);function l(t){for(;!t.__zoom;)if(!(t=t.parentNode))return c;return t.__zoom}function f(t){t.stopImmediatePropagation()}function m(t){t.preventDefault(),t.stopImmediatePropagation()}function p(t){return!(t.ctrlKey&&"wheel"!==t.type||t.button)}function v(){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 y(){return this.__zoom||c}function d(t){return-t.deltaY*(1===t.deltaMode?.05:t.deltaMode?1:.002)*(t.ctrlKey?10:1)}function z(){return navigator.maxTouchPoints||"ontouchstart"in this}function _(t,n,e){var o=t.invertX(n[0][0])-e[0][0],i=t.invertX(n[1][0])-e[1][0],r=t.invertY(n[0][1])-e[0][1],u=t.invertY(n[1][1])-e[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))}function g(){var l,g,k,x=p,w=v,b=_,T=d,M=z,E=[0,1/0],Y=[[-1/0,-1/0],[1/0,1/0]],X=250,V=o,B=t("start","zoom","end"),D=0,P=10;function I(t){t.property("__zoom",y).on("wheel.zoom",H,{passive:!1}).on("mousedown.zoom",N).on("dblclick.zoom",O).filter(M).on("touchstart.zoom",W).on("touchmove.zoom",Z).on("touchend.zoom touchcancel.zoom",C).style("-webkit-tap-highlight-color","rgba(0,0,0,0)")}function K(t,n){return(n=Math.max(E[0],Math.min(E[1],n)))===t.k?t:new a(n,t.x,t.y)}function S(t,n,e){var o=n[0]-e[0]*t.k,i=n[1]-e[1]*t.k;return o===t.x&&i===t.y?t:new a(t.k,o,i)}function q(t){return[(+t[0][0]+ +t[1][0])/2,(+t[0][1]+ +t[1][1])/2]}function G(t,n,e,o){t.on("start.zoom",(function(){j(this,arguments).event(o).start()})).on("interrupt.zoom end.zoom",(function(){j(this,arguments).event(o).end()})).tween("zoom",(function(){var t=this,i=arguments,r=j(t,i).event(o),u=w.apply(t,i),h=null==e?q(u):"function"==typeof e?e.apply(t,i):e,s=Math.max(u[1][0]-u[0][0],u[1][1]-u[0][1]),c=t.__zoom,l="function"==typeof n?n.apply(t,i):n,f=V(c.invert(h).concat(s/c.k),l.invert(h).concat(s/l.k));return function(t){if(1===t)t=l;else{var n=f(t),e=s/n[2];t=new a(e,h[0]-n[0]*e,h[1]-n[1]*e)}r.zoom(null,t)}}))}function j(t,n,e){return!e&&t.__zooming||new A(t,n)}function A(t,n){this.that=t,this.args=n,this.active=0,this.sourceEvent=null,this.extent=w.apply(t,n),this.taps=0}function H(t,...n){if(x.apply(this,arguments)){var e=j(this,n).event(t),o=this.__zoom,i=Math.max(E[0],Math.min(E[1],o.k*Math.pow(2,T.apply(this,arguments)))),h=r(t);if(e.wheel)e.mouse[0][0]===h[0]&&e.mouse[0][1]===h[1]||(e.mouse[1]=o.invert(e.mouse[0]=h)),clearTimeout(e.wheel);else{if(o.k===i)return;e.mouse=[h,o.invert(h)],u(this),e.start()}m(t),e.wheel=setTimeout((function(){e.wheel=null,e.end()}),150),e.zoom("mouse",b(S(K(o,i),e.mouse[0],e.mouse[1]),e.extent,Y))}}function N(t,...o){if(!k&&x.apply(this,arguments)){var h=t.currentTarget,s=j(this,o,!0).event(t),a=i(t.view).on("mousemove.zoom",(function(t){if(m(t),!s.moved){var n=t.clientX-l,e=t.clientY-p;s.moved=n*n+e*e>D}s.event(t).zoom("mouse",b(S(s.that.__zoom,s.mouse[0]=r(t,h),s.mouse[1]),s.extent,Y))}),!0).on("mouseup.zoom",(function(t){a.on("mousemove.zoom mouseup.zoom",null),e(t.view,s.moved),m(t),s.event(t).end()}),!0),c=r(t,h),l=t.clientX,p=t.clientY;n(t.view),f(t),s.mouse=[c,this.__zoom.invert(c)],u(this),s.start()}}function O(t,...n){if(x.apply(this,arguments)){var e=this.__zoom,o=r(t.changedTouches?t.changedTouches[0]:t,this),u=e.invert(o),h=e.k*(t.shiftKey?.5:2),s=b(S(K(e,h),o,u),w.apply(this,n),Y);m(t),X>0?i(this).transition().duration(X).call(G,s,o,t):i(this).call(I.transform,s,o,t)}}function W(t,...n){if(x.apply(this,arguments)){var e,o,i,h,s=t.touches,a=s.length,c=j(this,n,t.changedTouches.length===a).event(t);for(f(t),o=0;o<a;++o)i=s[o],h=[h=r(i,this),this.__zoom.invert(h),i.identifier],c.touch0?c.touch1||c.touch0[2]===h[2]||(c.touch1=h,c.taps=0):(c.touch0=h,e=!0,c.taps=1+!!l);l&&(l=clearTimeout(l)),e&&(c.taps<2&&(g=h[0],l=setTimeout((function(){l=null}),500)),u(this),c.start())}}function Z(t,...n){if(this.__zooming){var e,o,i,u,h=j(this,n).event(t),s=t.changedTouches,a=s.length;for(m(t),e=0;e<a;++e)o=s[e],i=r(o,this),h.touch0&&h.touch0[2]===o.identifier?h.touch0[0]=i:h.touch1&&h.touch1[2]===o.identifier&&(h.touch1[0]=i);if(o=h.that.__zoom,h.touch1){var c=h.touch0[0],l=h.touch0[1],f=h.touch1[0],p=h.touch1[1],v=(v=f[0]-c[0])*v+(v=f[1]-c[1])*v,y=(y=p[0]-l[0])*y+(y=p[1]-l[1])*y;o=K(o,Math.sqrt(v/y)),i=[(c[0]+f[0])/2,(c[1]+f[1])/2],u=[(l[0]+p[0])/2,(l[1]+p[1])/2]}else{if(!h.touch0)return;i=h.touch0[0],u=h.touch0[1]}h.zoom("touch",b(S(o,i,u),h.extent,Y))}}function C(t,...n){if(this.__zooming){var e,o,u=j(this,n).event(t),h=t.changedTouches,s=h.length;for(f(t),k&&clearTimeout(k),k=setTimeout((function(){k=null}),500),e=0;e<s;++e)o=h[e],u.touch0&&u.touch0[2]===o.identifier?delete u.touch0:u.touch1&&u.touch1[2]===o.identifier&&delete u.touch1;if(u.touch1&&!u.touch0&&(u.touch0=u.touch1,delete u.touch1),u.touch0)u.touch0[1]=this.__zoom.invert(u.touch0[0]);else if(u.end(),2===u.taps&&(o=r(o,this),Math.hypot(g[0]-o[0],g[1]-o[1])<P)){var a=i(this).on("dblclick.zoom");a&&a.apply(this,arguments)}}}return I.transform=function(t,n,e,o){var i=t.selection?t.selection():t;i.property("__zoom",y),t!==i?G(t,n,e,o):i.interrupt().each((function(){j(this,arguments).event(o).start().zoom(null,"function"==typeof n?n.apply(this,arguments):n).end()}))},I.scaleBy=function(t,n,e,o){I.scaleTo(t,(function(){return this.__zoom.k*("function"==typeof n?n.apply(this,arguments):n)}),e,o)},I.scaleTo=function(t,n,e,o){I.transform(t,(function(){var t=w.apply(this,arguments),o=this.__zoom,i=null==e?q(t):"function"==typeof e?e.apply(this,arguments):e,r=o.invert(i),u="function"==typeof n?n.apply(this,arguments):n;return b(S(K(o,u),i,r),t,Y)}),e,o)},I.translateBy=function(t,n,e,o){I.transform(t,(function(){return b(this.__zoom.translate("function"==typeof n?n.apply(this,arguments):n,"function"==typeof e?e.apply(this,arguments):e),w.apply(this,arguments),Y)}),null,o)},I.translateTo=function(t,n,e,o,i){I.transform(t,(function(){var t=w.apply(this,arguments),i=this.__zoom,r=null==o?q(t):"function"==typeof o?o.apply(this,arguments):o;return b(c.translate(r[0],r[1]).scale(i.k).translate("function"==typeof n?-n.apply(this,arguments):-n,"function"==typeof e?-e.apply(this,arguments):-e),t,Y)}),o,i)},A.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,n){return this.mouse&&"mouse"!==t&&(this.mouse[1]=n.invert(this.mouse[0])),this.touch0&&"touch"!==t&&(this.touch0[1]=n.invert(this.touch0[0])),this.touch1&&"touch"!==t&&(this.touch1[1]=n.invert(this.touch1[0])),this.that.__zoom=n,this.emit("zoom"),this},end:function(){return 0==--this.active&&(delete this.that.__zooming,this.emit("end")),this},emit:function(t){var n=i(this.that).datum();B.call(t,this.that,new s(t,{sourceEvent:this.sourceEvent,target:I,type:t,transform:this.that.__zoom,dispatch:B}),n)}},I.wheelDelta=function(t){return arguments.length?(T="function"==typeof t?t:h(+t),I):T},I.filter=function(t){return arguments.length?(x="function"==typeof t?t:h(!!t),I):x},I.touchable=function(t){return arguments.length?(M="function"==typeof t?t:h(!!t),I):M},I.extent=function(t){return arguments.length?(w="function"==typeof t?t:h([[+t[0][0],+t[0][1]],[+t[1][0],+t[1][1]]]),I):w},I.scaleExtent=function(t){return arguments.length?(E[0]=+t[0],E[1]=+t[1],I):[E[0],E[1]]},I.translateExtent=function(t){return arguments.length?(Y[0][0]=+t[0][0],Y[1][0]=+t[1][0],Y[0][1]=+t[0][1],Y[1][1]=+t[1][1],I):[[Y[0][0],Y[0][1]],[Y[1][0],Y[1][1]]]},I.constrain=function(t){return arguments.length?(b=t,I):b},I.duration=function(t){return arguments.length?(X=+t,I):X},I.interpolate=function(t){return arguments.length?(V=t,I):V},I.on=function(){var t=B.on.apply(B,arguments);return t===B?I:t},I.clickDistance=function(t){return arguments.length?(D=(t=+t)*t,I):Math.sqrt(D)},I.tapDistance=function(t){return arguments.length?(P=+t,I):P},I}l.prototype=a.prototype;export{a as ZoomTransform,g as zoom,c as zoomIdentity,l as zoomTransform};export default null;
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