86 lines
55 KiB
JavaScript
86 lines
55 KiB
JavaScript
/*! css-doodle@0.21.5 */
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e.attachShader(i,r),e.attachShader(i,s),e.linkProgram(i),e.getProgramParameter(i,e.LINK_STATUS)||(console.warn("Link failed: "+e.getProgramInfoLog(i)),console.warn("vs info-log: "+e.getShaderInfoLog(r)),console.warn("fs info-log: "+e.getShaderInfoLog(s))),i}(i,e.vertex||"\n attribute vec4 position;\n void main() {\n gl_Position = position;\n }\n","\n precision highp float;\n"+l),a=i.getAttribLocation(o,"position"),u=i.createBuffer();i.bindBuffer(i.ARRAY_BUFFER,u);return i.bufferData(i.ARRAY_BUFFER,new Float32Array([-1,-1,-1,1,1,-1,1,1,-1,1,1,-1]),i.STATIC_DRAW),i.enableVertexAttribArray(a),i.vertexAttribPointer(a,2,i.FLOAT,!1,0,0),i.viewport(0,0,i.drawingBufferWidth,i.drawingBufferHeight),i.clearColor(0,0,0,0),i.clear(i.COLOR_BUFFER_BIT),i.useProgram(o),i.uniform2fv(i.getUniformLocation(o,"u_resolution"),[t,n]),e.textures.forEach(((e,t)=>{!function(e,t,n){const r=e.createTexture();e.activeTexture(e["TEXTURE"+n]),e.pixelStorei(e.UNPACK_FLIP_Y_WEBGL,!0),e.bindTexture(e.TEXTURE_2D,r),e.texImage2D(e.TEXTURE_2D,0,e.RGBA,e.RGBA,e.UNSIGNED_BYTE,t),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.LINEAR),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.LINEAR)}(i,e.value,t),i.uniform1i(i.getUniformLocation(o,e.name),t)})),i.drawArrays(i.TRIANGLES,0,6),Promise.resolve(r.toDataURL())}class Gt extends HTMLElement{constructor(){super(),this.doodle=this.attachShadow({mode:"open"}),this.extra={get_variable:e=>function(e,t){return getComputedStyle(e).getPropertyValue(t).trim().replace(/^\(|\)$/g,"")}(this,e)}}connectedCallback(e){/^(complete|interactive|loaded)$/.test(document.readyState)?this.load(e):setTimeout((()=>this.load(e)))}update(e){let t=this.get_use();e||(e=this.innerHTML),this.innerHTML=e,this.grid_size||(this.grid_size=this.get_grid());let{x:n,y:r,z:s}=this.grid_size;const i=this.generate(V(t+e,this.extra));if(!this.shadowRoot.innerHTML)return Object.assign(this.grid_size,i.grid),this.build_grid(i,i.grid);if(i.grid){let{x:e,y:t,z:l}=i.grid;if(n!==e||r!==t||s!==l)return Object.assign(this.grid_size,i.grid),this.build_grid(i,i.grid);Object.assign(this.grid_size,i.grid)}else{let i=this.get_grid(),{x:l,y:o,z:a}=i;if(n!==l||r!==o||s!==a)return Object.assign(this.grid_size,i),this.build_grid(this.generate(V(t+e,this.extra)),i)}let l=this.build_svg_paths(i.paths);if(l){let e=this.shadowRoot.querySelector(".svg-defs");e&&(e.innerHTML=l)}i.uniforms.time&&this.register_uniform_time();let o=this.replace(i);this.set_content(".style-keyframes",o(i.styles.keyframes)),i.props.has_animation&&(this.set_content(".style-cells",""),this.set_content(".style-container","")),setTimeout((()=>{this.set_content(".style-container",o(Zt(this.grid_size)+i.styles.host+i.styles.container)),this.set_content(".style-cells",o(i.styles.cells))}))}get grid(){return Object.assign({},this.grid_size)}set grid(e){this.attr("grid",e),this.connectedCallback(!0)}get seed(){return this._seed_value}set seed(e){this.attr("seed",e),this.connectedCallback(!0)}get use(){return this.attr("use")}set use(e){this.attr("use",e),this.connectedCallback(!0)}static get observedAttributes(){return["grid","use","seed"]}attributeChangedCallback(e,t,n){if(t==n)return!1;["grid","use","seed"].includes(e)&&!J(t)&&(this[e]=n)}get_grid(){return ce(this.attr("grid"))}get_use(){let e=this.attr("use")||"";return e&&(e=`@use:${e};`),e}attr(e,t){return 1===arguments.length?this.getAttribute(e):2===arguments.length?(this.setAttribute(e,t),t):void 0}generate(e){let t=this.get_grid(),n=this.attr("seed")||this.attr("data-seed");J(n)&&(n=Date.now()),n=String(n),this._seed_value=n;let r=this.random=Wt(n);return this.compiled=At(e,t,r)}doodle_to_image(e,t,n){"function"==typeof t&&(n=t,t=null);let r=V(e,this.extra),s=ce({}),i=At(r,s,this.random),l=i.grid?i.grid:s;const{keyframes:o,host:a,container:u,cells:c}=i.styles;let h=this.build_svg_paths(i.paths),p=this.replace(i),f=Kt(l);p(`\n <svg ${t&&t.width&&t.height?`width="${t.width}" height="${t.height}"`:""} xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none">\n <foreignObject width="100%" height="100%">\n <div class="host" xmlns="http://www.w3.org/1999/xhtml">\n <style>\n ${Yt()}\n ${Zt(l)}\n ${a}\n ${u}\n ${c}\n ${o}\n </style>\n <svg xmlns="http://www.w3.org/2000/svg" style="width:0; height:0">\n <defs class="svg-defs">${h}</defs>\n </svg>\n ${f}\n </div>\n </foreignObject>\n </svg>\n `).then((e=>{let t=`data:image/svg+xml;base64,${window.btoa(unescape(encodeURIComponent(e)))}`;se()&&re(t),n(t)}))}canvas_to_image({code:e,cell:t},n){let r=this.doodle.getElementById(t),{width:s,height:i}=r&&r.getBoundingClientRect()||{width:0,height:0};(function(e,t,n,r){e=ie(e);let s=document.createElement("canvas"),i=s.getContext("2d"),l=window.devicePixelRatio||1;s.style.width=s.width+"px",s.style.height=s.height+"px",s.width=t*l,s.height=n*l,i.scale(l,l);try{new Function(`return (ctx, width, height, random) => {${e}}`)()(i,t,n,r)}catch(e){}return Promise.resolve(s.toDataURL())})(e,s,i,this.random).then(n)}shader_to_image({shader:e,cell:t},n){let s=function(e){let t,n,s=r(fe(h(e))),i=[],l=[],o={textures:[]};for(;s.next();){let{curr:e,next:r}=s.get();if(e.isSymbol("{")){if(i.length)l.push(e);else{let n=de(l);he(n)?(t=n,l=[]):l.push(e)}i.push("{")}else if(e.isSymbol("}"))if(i.pop(),!i.length&&t){let e=de(l);t&&e.length&&(t.startsWith("texture")?o.textures.push({name:t,value:e}):o[t]=e,l=[]),t=null}else l.push(e);else Q(n)||n==e.pos[1]||(l.push(pe()),n=null),e.isWord()&&e.value.startsWith("#")&&(l.push(pe()),n=r.pos[1]),l.push(e)}return Q(o.fragment)?{fragment:de(l),textures:[]}:o}(e),i=this.doodle.getElementById(t),{width:l,height:o}=i&&i.getBoundingClientRect()||{width:0,height:0},a=window.devicePixelRatio||1;if(s.textures.length){let e=s.textures.map((e=>new Promise((t=>{this.doodle_to_image(e.value,{width:l,height:o},(n=>{let r=new Image;r.width=l*a,r.height=o*a,r.onload=()=>t({name:e.name,value:r}),r.src=n}))}))));Promise.all(e).then((e=>{s.textures=e,Vt(s,l,o).then(n)}))}else Vt(s,l,o).then(n)}load(e){e||this.hasAttribute("click-to-update")&&this.addEventListener("click",(e=>this.update()));let t=V(this.get_use()+ie(this.innerHTML),this.extra),n=this.generate(t);this.grid_size=n.grid?n.grid:this.get_grid(),this.build_grid(n,this.grid_size)}replace({doodles:e,shaders:t,paths:n,canvas:r}){let s=Object.keys(e),i=Object.keys(t),l=Object.keys(n),o=Object.keys(r);return n=>{if(!(s.length||i.length||l.length||o.length))return Promise.resolve(n);let a=[].concat(s.map((t=>n.includes(t)?new Promise((n=>{this.doodle_to_image(e[t],(e=>n({id:t,value:e})))})):Promise.resolve(""))),i.map((e=>n.includes(e)?new Promise((n=>{this.shader_to_image(t[e],(t=>n({id:e,value:t})))})):Promise.resolve(""))),o.map((e=>n.includes(e)?new Promise((t=>{this.canvas_to_image(r[e],(n=>t({id:e,value:n})))})):Promise.resolve(""))),l.map((e=>n.includes(e)?Promise.resolve({id:e,value:"#"+e}):Promise.resolve(""))));return Promise.all(a).then((e=>(n.replaceAll?e.forEach((({id:e,value:t})=>{n=n.replaceAll("${"+e+"}",`url(${t})`)})):e.forEach((({id:e,value:t})=>{n=n.replace("${"+e+"}",`url(${t})`)})),n)))}}build_grid(e,t){const{has_transition:n,has_animation:r}=e.props;let s=n||r;const{keyframes:i,host:l,container:o,cells:a}=e.styles;let u=Zt(t)+l+o,c=s?"":a,h=this.build_svg_paths(e.paths);const{uniforms:p}=e;let f=this.replace(e);this.doodle.innerHTML=`\n <style>${Yt(p)}</style>\n <style class="style-keyframes">${i}</style>\n <style class="style-container">${u}</style>\n <style class="style-cells">${c}</style>\n <svg xmlns="http://www.w3.org/2000/svg" style="width:0;height:0">\n <defs class="svg-defs">${h}</defs>\n </svg>\n ${Kt(t)}\n `,this.set_content(".style-container",f(u)),s?setTimeout((()=>{this.set_content(".style-cells",f(a))}),50):this.set_content(".style-cells",f(a));const d=e.definitions;if(window.CSS&&window.CSS.registerProperty)try{p.time&&this.register_uniform_time(),d.forEach(CSS.registerProperty)}catch(e){}}build_svg_paths(e){return Object.keys(e||{}).map((t=>`\n <clipPath id="${e[t].id}" clipPathUnits="objectBoundingBox">\n <path d="${e[t].commands}" />\n </clipPath>\n `)).join("")}register_uniform_time(){if(!this.is_uniform_time_registered){try{CSS.registerProperty({name:"--"+ot.name,syntax:"<number>",initialValue:0,inherits:!0})}catch(e){}this.is_uniform_time_registered=!0}}export({scale:e,name:t,download:n,detail:r}={}){return new Promise(((s,i)=>{let l=function(e){let t={};if(e.computedStyleMap)for(let[n,r]of e.computedStyleMap())n.startsWith("--")&&(t[n]=r[0][0]);else{let n=getComputedStyle(e);for(let e of n)e.startsWith("--")&&(t[e]=n.getPropertyValue(e))}return function(e){let t=[];for(let n in e)t.push(n+":"+e[n]);return t.join(";")}(t)}(this),o=this.doodle.innerHTML,{width:a,height:u}=this.getBoundingClientRect(),c=a*(e=parseInt(e)||1),h=u*e,p=`\n <svg xmlns="http://www.w3.org/2000/svg"\n preserveAspectRatio="none"\n viewBox="0 0 ${a} ${u}"\n ${se()?"":`width="${c}px" height="${h}px"`}\n >\n <foreignObject width="100%" height="100%">\n <div\n class="host"\n xmlns="http://www.w3.org/1999/xhtml"\n style="width: ${a}px; height: ${u}px; "\n >\n <style>.host { ${f=l,f.replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">").replace(/"/g,""")} }</style>\n ${o}\n </div>\n </foreignObject>\n </svg>\n `.replace(/\n\s+|^\s+|\n+/g," ").trim();var f;n||r?function(e,t,n,r){return new Promise(((s,i)=>{let l=`data:image/svg+xml;utf8,${encodeURIComponent(e)}`;function o(){let e=new Image;e.crossOrigin="anonymous",e.src=l,e.onload=()=>{let o=document.createElement("canvas"),a=o.getContext("2d"),u=window.devicePixelRatio||1;1!=r&&(u=1),o.width=t*u,o.height=n*u,a.drawImage(e,0,0,o.width,o.height);try{o.toBlob((e=>{s({blob:e,source:l,url:URL.createObjectURL(e)})}))}catch(e){i(e)}}}se()?re(l,o,200):o()}))}(p,c,h,e).then((({source:e,url:r,blob:i})=>{if(s({width:c,height:h,svg:p,blob:i,source:e}),n){let e=document.createElement("a");e.download=function(e){return(J(e)?Date.now():String(e).replace(/\/.png$/g,""))+".png"}(t),e.href=r,e.click()}})).catch((e=>{i(e)})):s({width:c,height:h,svg:p})}))}set_content(e,t){if(t instanceof Promise)t.then((t=>{this.set_content(e,t)}));else{const n=this.shadowRoot.querySelector(e);n&&(n.styleSheet?n.styleSheet.cssText=t:n.innerHTML=t)}}}function Yt(e={}){const t=ct(/grid/).map((e=>`${e}: inherit;`)).join("");return`\n * {\n box-sizing: border-box\n }\n *::after, *::before {\n box-sizing: inherit\n }\n :host, .host {\n display: block;\n visibility: visible;\n width: auto;\n height: auto;\n --${ot.name}: 0\n }\n :host([hidden]), .host[hidden] {\n display: none\n }\n .container {\n position: relative;\n width: 100%;\n height: 100%;\n display: grid;\n ${t}\n }\n cell:empty {\n position: relative;\n line-height: 1;\n display: grid;\n place-items: center\n }\n svg {\n position: absolute;\n width: 100%;\n height: 100%;\n }\n `}function Zt(e){let{x:t,y:n}=e||{};return`\n :host, .host {\n grid-template-rows: repeat(${n}, 1fr);\n grid-template-columns: repeat(${t}, 1fr);\n }\n `}function Jt(e,t,n){let r=document.createElement("cell");return r.id=te(e,t,n),r}function Kt(e){let{x:t,y:n,z:r}=e||{},s=document.createElement("grid"),i=document.createDocumentFragment();if(1==r)for(let e=1;e<=n;++e)for(let n=1;n<=t;++n)i.appendChild(Jt(n,e,1));else{let e=null;for(let t=1;t<=r;++t){let n=Jt(1,1,t);(e||i).appendChild(n),e=n}e=null}return s.className="container",s.appendChild(i),s.outerHTML}customElements.get("css-doodle")||customElements.define("css-doodle",Gt);return le((e=>{let t=document.createElement("css-doodle");return t.update&&t.update(e),t}))})); |