archy/demo/aiui/assets/cytoscape.esm-5J0xJHOV.js

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  float circleSD(vec2 p, float r) {
    return distance(vec2(0), p) - r; // signed distance
  }
`,um=`
  float rectangleSD(vec2 p, vec2 b) {
    vec2 d = abs(p)-b;
    return distance(vec2(0),max(d,0.0)) + min(max(d.x,d.y),0.0);
  }
`,lm=`
  float roundRectangleSD(vec2 p, vec2 b, vec4 cr) {
    cr.xy = (p.x > 0.0) ? cr.xy : cr.zw;
    cr.x  = (p.y > 0.0) ? cr.x  : cr.y;
    vec2 q = abs(p) - b + cr.x;
    return min(max(q.x, q.y), 0.0) + distance(vec2(0), max(q, 0.0)) - cr.x;
  }
`,vm=`
  float ellipseSD(vec2 p, vec2 ab) {
    p = abs( p ); // symmetry

    // find root with Newton solver
    vec2 q = ab*(p-ab);
    float w = (q.x<q.y)? 1.570796327 : 0.0;
    for( int i=0; i<5; i++ ) {
      vec2 cs = vec2(cos(w),sin(w));
      vec2 u = ab*vec2( cs.x,cs.y);
      vec2 v = ab*vec2(-cs.y,cs.x);
      w = w + dot(p-u,v)/(dot(p-u,u)+dot(v,v));
    }
    
    // compute final point and distance
    float d = length(p-ab*vec2(cos(w),sin(w)));
    
    // return signed distance
    return (dot(p/ab,p/ab)>1.0) ? d : -d;
  }
`,Ea={SCREEN:{name:"screen",screen:!0},PICKING:{name:"picking",picking:!0}},An={IGNORE:1,USE_BB:2},Cs=0,Kl=1,Xl=2,Ts=3,_t=4,sn=5,ga=6,pa=7,fm=(function(){function r(e,t,a){ht(this,r),this.r=e,this.gl=t,this.maxInstances=a.webglBatchSize,this.atlasSize=a.webglTexSize,this.bgColor=a.bgColor,this.debug=a.webglDebug,this.batchDebugInfo=[],a.enableWrapping=!0,a.createTextureCanvas=Hy,this.atlasManager=new im(e,a),this.batchManager=new sm(a),this.simpleShapeOptions=new Map,this.program=this._createShaderProgram(Ea.SCREEN),this.pickingProgram=this._createShaderProgram(Ea.PICKING),this.vao=this._createVAO()}return gt(r,[{key:"addAtlasCollection",value:function(t,a){this.atlasManager.addAtlasCollection(t,a)}},{key:"addTextureAtlasRenderType",value:function(t,a){this.atlasManager.addRenderType(t,a)}},{key:"addSimpleShapeRenderType",value:function(t,a){this.simpleShapeOptions.set(t,a)}},{key:"invalidate",value:function(t){var a=arguments.length>1&&arguments[1]!==void 0?arguments[1]:{},n=a.type,i=this.atlasManager;return n?i.invalidate(t,{filterType:function(o){return o===n},forceRedraw:!0}):i.invalidate(t)}},{key:"gc",value:function(){this.atlasManager.gc()}},{key:"_createShaderProgram",value:function(t){var a=this.gl,n=`#version 300 es
      precision highp float;

      uniform mat3 uPanZoomMatrix;
      uniform int  uAtlasSize;
      
      // instanced
      in vec2 aPosition; // a vertex from the unit square
      
      in mat3 aTransform; // used to transform verticies, eg into a bounding box
      in int aVertType; // the type of thing we are rendering

      // the z-index that is output when using picking mode
      in vec4 aIndex;
      
      // For textures
      in int aAtlasId; // which shader unit/atlas to use
      in vec4 aTex; // x/y/w/h of texture in atlas

      // for edges
      in vec4 aPointAPointB;
      in vec4 aPointCPointD;
      in vec2 aLineWidth; // also used for node border width

      // simple shapes
      in vec4 aCornerRadius; // for round-rectangle [top-right, bottom-right, top-left, bottom-left]
      in vec4 aColor; // also used for edges
      in vec4 aBorderColor; // aLineWidth is used for border width

      // output values passed to the fragment shader
      out vec2 vTexCoord;
      out vec4 vColor;
      out vec2 vPosition;
      // flat values are not interpolated
      flat out int vAtlasId; 
      flat out int vVertType;
      flat out vec2 vTopRight;
      flat out vec2 vBotLeft;
      flat out vec4 vCornerRadius;
      flat out vec4 vBorderColor;
      flat out vec2 vBorderWidth;
      flat out vec4 vIndex;
      
      void main(void) {
        int vid = gl_VertexID;
        vec2 position = aPosition; // TODO make this a vec3, simplifies some code below

        if(aVertType == `.concat(Cs,`) {
          float texX = aTex.x; // texture coordinates
          float texY = aTex.y;
          float texW = aTex.z;
          float texH = aTex.w;

          if(vid == 1 || vid == 2 || vid == 4) {
            texX += texW;
          }
          if(vid == 2 || vid == 4 || vid == 5) {
            texY += texH;
          }

          float d = float(uAtlasSize);
          vTexCoord = vec2(texX / d, texY / d); // tex coords must be between 0 and 1

          gl_Position = vec4(uPanZoomMatrix * aTransform * vec3(position, 1.0), 1.0);
        }
        else if(aVertType == `).concat(_t," || aVertType == ").concat(pa,` 
             || aVertType == `).concat(sn," || aVertType == ").concat(ga,`) { // simple shapes

          // the bounding box is needed by the fragment shader
          vBotLeft  = (aTransform * vec3(0, 0, 1)).xy; // flat
          vTopRight = (aTransform * vec3(1, 1, 1)).xy; // flat
          vPosition = (aTransform * vec3(position, 1)).xy; // will be interpolated

          // calculations are done in the fragment shader, just pass these along
          vColor = aColor;
          vCornerRadius = aCornerRadius;
          vBorderColor = aBorderColor;
          vBorderWidth = aLineWidth;

          gl_Position = vec4(uPanZoomMatrix * aTransform * vec3(position, 1.0), 1.0);
        }
        else if(aVertType == `).concat(Kl,`) {
          vec2 source = aPointAPointB.xy;
          vec2 target = aPointAPointB.zw;

          // adjust the geometry so that the line is centered on the edge
          position.y = position.y - 0.5;

          // stretch the unit square into a long skinny rectangle
          vec2 xBasis = target - source;
          vec2 yBasis = normalize(vec2(-xBasis.y, xBasis.x));
          vec2 point = source + xBasis * position.x + yBasis * aLineWidth[0] * position.y;

          gl_Position = vec4(uPanZoomMatrix * vec3(point, 1.0), 1.0);
          vColor = aColor;
        } 
        else if(aVertType == `).concat(Xl,`) {
          vec2 pointA = aPointAPointB.xy;
          vec2 pointB = aPointAPointB.zw;
          vec2 pointC = aPointCPointD.xy;
          vec2 pointD = aPointCPointD.zw;

          // adjust the geometry so that the line is centered on the edge
          position.y = position.y - 0.5;

          vec2 p0, p1, p2, pos;
          if(position.x == 0.0) { // The left side of the unit square
            p0 = pointA;
            p1 = pointB;
            p2 = pointC;
            pos = position;
          } else { // The right side of the unit square, use same approach but flip the geometry upside down
            p0 = pointD;
            p1 = pointC;
            p2 = pointB;
            pos = vec2(0.0, -position.y);
          }

          vec2 p01 = p1 - p0;
          vec2 p12 = p2 - p1;
          vec2 p21 = p1 - p2;

          // Find the normal vector.
          vec2 tangent = normalize(normalize(p12) + normalize(p01));
          vec2 normal = vec2(-tangent.y, tangent.x);

          // Find the vector perpendicular to p0 -> p1.
          vec2 p01Norm = normalize(vec2(-p01.y, p01.x));

          // Determine the bend direction.
          float sigma = sign(dot(p01 + p21, normal));
          float width = aLineWidth[0];

          if(sign(pos.y) == -sigma) {
            // This is an intersecting vertex. Adjust the position so that there's no overlap.
            vec2 point = 0.5 * width * normal * -sigma / dot(normal, p01Norm);
            gl_Position = vec4(uPanZoomMatrix * vec3(p1 + point, 1.0), 1.0);
          } else {
            // This is a non-intersecting vertex. Treat it like a mitre join.
            vec2 point = 0.5 * width * normal * sigma * dot(normal, p01Norm);
            gl_Position = vec4(uPanZoomMatrix * vec3(p1 + point, 1.0), 1.0);
          }

          vColor = aColor;
        } 
        else if(aVertType == `).concat(Ts,` && vid < 3) {
          // massage the first triangle into an edge arrow
          if(vid == 0)
            position = vec2(-0.15, -0.3);
          if(vid == 1)
            position = vec2(  0.0,  0.0);
          if(vid == 2)
            position = vec2( 0.15, -0.3);

          gl_Position = vec4(uPanZoomMatrix * aTransform * vec3(position, 1.0), 1.0);
          vColor = aColor;
        }
        else {
          gl_Position = vec4(2.0, 0.0, 0.0, 1.0); // discard vertex by putting it outside webgl clip space
        }

        vAtlasId = aAtlasId;
        vVertType = aVertType;
        vIndex = aIndex;
      }
    `),i=this.batchManager.getIndexArray(),s=`#version 300 es
      precision highp float;

      // declare texture unit for each texture atlas in the batch
      `.concat(i.map(function(u){return"uniform sampler2D uTexture".concat(u,";")}).join(`
	`),`

      uniform vec4 uBGColor;
      uniform float uZoom;

      in vec2 vTexCoord;
      in vec4 vColor;
      in vec2 vPosition; // model coordinates

      flat in int vAtlasId;
      flat in vec4 vIndex;
      flat in int vVertType;
      flat in vec2 vTopRight;
      flat in vec2 vBotLeft;
      flat in vec4 vCornerRadius;
      flat in vec4 vBorderColor;
      flat in vec2 vBorderWidth;

      out vec4 outColor;

      `).concat(om,`
      `).concat(um,`
      `).concat(lm,`
      `).concat(vm,`

      vec4 blend(vec4 top, vec4 bot) { // blend colors with premultiplied alpha
        return vec4( 
          top.rgb + (bot.rgb * (1.0 - top.a)),
          top.a   + (bot.a   * (1.0 - top.a)) 
        );
      }

      vec4 distInterp(vec4 cA, vec4 cB, float d) { // interpolate color using Signed Distance
        // scale to the zoom level so that borders don't look blurry when zoomed in
        // note 1.5 is an aribitrary value chosen because it looks good
        return mix(cA, cB, 1.0 - smoothstep(0.0, 1.5 / uZoom, abs(d))); 
      }

      void main(void) {
        if(vVertType == `).concat(Cs,`) {
          // look up the texel from the texture unit
          `).concat(i.map(function(u){return"if(vAtlasId == ".concat(u,") outColor = texture(uTexture").concat(u,", vTexCoord);")}).join(`
	else `),`
        } 
        else if(vVertType == `).concat(Ts,`) {
          // mimics how canvas renderer uses context.globalCompositeOperation = 'destination-out';
          outColor = blend(vColor, uBGColor);
          outColor.a = 1.0; // make opaque, masks out line under arrow
        }
        else if(vVertType == `).concat(_t,` && vBorderWidth == vec2(0.0)) { // simple rectangle with no border
          outColor = vColor; // unit square is already transformed to the rectangle, nothing else needs to be done
        }
        else if(vVertType == `).concat(_t," || vVertType == ").concat(pa,` 
          || vVertType == `).concat(sn," || vVertType == ").concat(ga,`) { // use SDF

          float outerBorder = vBorderWidth[0];
          float innerBorder = vBorderWidth[1];
          float borderPadding = outerBorder * 2.0;
          float w = vTopRight.x - vBotLeft.x - borderPadding;
          float h = vTopRight.y - vBotLeft.y - borderPadding;
          vec2 b = vec2(w/2.0, h/2.0); // half width, half height
          vec2 p = vPosition - vec2(vTopRight.x - b[0] - outerBorder, vTopRight.y - b[1] - outerBorder); // translate to center

          float d; // signed distance
          if(vVertType == `).concat(_t,`) {
            d = rectangleSD(p, b);
          } else if(vVertType == `).concat(pa,` && w == h) {
            d = circleSD(p, b.x); // faster than ellipse
          } else if(vVertType == `).concat(pa,`) {
            d = ellipseSD(p, b);
          } else {
            d = roundRectangleSD(p, b, vCornerRadius.wzyx);
          }

          // use the distance to interpolate a color to smooth the edges of the shape, doesn't need multisampling
          // we must smooth colors inwards, because we can't change pixels outside the shape's bounding box
          if(d > 0.0) {
            if(d > outerBorder) {
              discard;
            } else {
              outColor = distInterp(vBorderColor, vec4(0), d - outerBorder);
            }
          } else {
            if(d > innerBorder) {
              vec4 outerColor = outerBorder == 0.0 ? vec4(0) : vBorderColor;
              vec4 innerBorderColor = blend(vBorderColor, vColor);
              outColor = distInterp(innerBorderColor, outerColor, d);
            } 
            else {
              vec4 outerColor;
              if(innerBorder == 0.0 && outerBorder == 0.0) {
                outerColor = vec4(0);
              } else if(innerBorder == 0.0) {
                outerColor = vBorderColor;
              } else {
                outerColor = blend(vBorderColor, vColor);
              }
              outColor = distInterp(vColor, outerColor, d - innerBorder);
            }
          }
        }
        else {
          outColor = vColor;
        }

        `).concat(t.picking?`if(outColor.a == 0.0) discard;
             else outColor = vIndex;`:"",`
      }
    `),o=Gy(a,n,s);o.aPosition=a.getAttribLocation(o,"aPosition"),o.aIndex=a.getAttribLocation(o,"aIndex"),o.aVertType=a.getAttribLocation(o,"aVertType"),o.aTransform=a.getAttribLocation(o,"aTransform"),o.aAtlasId=a.getAttribLocation(o,"aAtlasId"),o.aTex=a.getAttribLocation(o,"aTex"),o.aPointAPointB=a.getAttribLocation(o,"aPointAPointB"),o.aPointCPointD=a.getAttribLocation(o,"aPointCPointD"),o.aLineWidth=a.getAttribLocation(o,"aLineWidth"),o.aColor=a.getAttribLocation(o,"aColor"),o.aCornerRadius=a.getAttribLocation(o,"aCornerRadius"),o.aBorderColor=a.getAttribLocation(o,"aBorderColor"),o.uPanZoomMatrix=a.getUniformLocation(o,"uPanZoomMatrix"),o.uAtlasSize=a.getUniformLocation(o,"uAtlasSize"),o.uBGColor=a.getUniformLocation(o,"uBGColor"),o.uZoom=a.getUniformLocation(o,"uZoom"),o.uTextures=[];for(var l=0;l<this.batchManager.getMaxAtlasesPerBatch();l++)o.uTextures.push(a.getUniformLocation(o,"uTexture".concat(l)));return o}},{key:"_createVAO",value:function(){var t=[0,0,1,0,1,1,0,0,1,1,0,1];this.vertexCount=t.length/2;var a=this.maxInstances,n=this.gl,i=this.program,s=n.createVertexArray();return n.bindVertexArray(s),Qy(n,"vec2",i.aPosition,t),this.transformBuffer=Jy(n,a,i.aTransform),this.indexBuffer=Fr(n,a,"vec4",i.aIndex),this.vertTypeBuffer=Fr(n,a,"int",i.aVertType),this.atlasIdBuffer=Fr(n,a,"int",i.aAtlasId),this.texBuffer=Fr(n,a,"vec4",i.aTex),this.pointAPointBBuffer=Fr(n,a,"vec4",i.aPointAPointB),this.pointCPointDBuffer=Fr(n,a,"vec4",i.aPointCPointD),this.lineWidthBuffer=Fr(n,a,"vec2",i.aLineWidth),this.colorBuffer=Fr(n,a,"vec4",i.aColor),this.cornerRadiusBuffer=Fr(n,a,"vec4",i.aCornerRadius),this.borderColorBuffer=Fr(n,a,"vec4",i.aBorderColor),n.bindVertexArray(null),s}},{key:"buffers",get:function(){var t=this;return this._buffers||(this._buffers=Object.keys(this).filter(function(a){return at(a,"Buffer")}).map(function(a){return t[a]})),this._buffers}},{key:"startFrame",value:function(t){var a=arguments.length>1&&arguments[1]!==void 0?arguments[1]:Ea.SCREEN;this.panZoomMatrix=t,this.renderTarget=a,this.batchDebugInfo=[],this.wrappedCount=0,this.simpleCount=0,this.startBatch()}},{key:"startBatch",value:function(){this.instanceCount=0,this.batchManager.startBatch()}},{key:"endFrame",value:function(){this.endBatch()}},{key:"_isVisible",value:function(t,a){return t.visible()?a&&a.isVisible?a.isVisible(t):!0:!1}},{key:"drawTexture",value:function(t,a,n){var i=this.atlasManager,s=this.batchManager,o=i.getRenderTypeOpts(n);if(this._isVisible(t,o)&&!(t.isEdge()&&!this._isValidEdge(t))){if(this.renderTarget.picking&&o.getTexPickingMode){var l=o.getTexPickingMode(t);if(l===An.IGNORE)return;if(l==An.USE_BB){this.drawPickingRectangle(t,a,n);return}}var u=i.getAtlasInfo(t,n),v=kr(u),f;try{for(v.s();!(f=v.n()).done;){var c=f.value,h=c.atlas,d=c.tex1,y=c.tex2;s.canAddToCurrentBatch(h)||this.endBatch();for(var g=s.getAtlasIndexForBatch(h),p=0,m=[[d,!0],[y,!1]];p<m.length;p++){var b=Je(m[p],2),w=b[0],E=b[1];if(w.w!=0){var C=this.instanceCount;this.vertTypeBuffer.getView(C)[0]=Cs;var x=this.indexBuffer.getView(C);qt(a,x);var T=this.atlasIdBuffer.getView(C);T[0]=g;var k=this.texBuffer.getView(C);k[0]=w.x,k[1]=w.y,k[2]=w.w,k[3]=w.h;var D=this.transformBuffer.getMatrixView(C);this.setTransformMatrix(t,D,o,c,E),this.instanceCount++,E||this.wrappedCount++,this.instanceCount>=this.maxInstances&&this.endBatch()}}}}catch(B){v.e(B)}finally{v.f()}}}},{key:"setTransformMatrix",value:function(t,a,n,i){var s=arguments.length>4&&arguments[4]!==void 0?arguments[4]:!0,o=0;if(n.shapeProps&&n.shapeProps.padding&&(o=t.pstyle(n.shapeProps.padding).pfValue),i){var l=i.bb,u=i.tex1,v=i.tex2,f=u.w/(u.w+v.w);s||(f=1-f);var c=this._getAdjustedBB(l,o,s,f);this._applyTransformMatrix(a,c,n,t)}else{var h=n.getBoundingBox(t),d=this._getAdjustedBB(h,o,!0,1);this._applyTransformMatrix(a,d,n,t)}}},{key:"_applyTransformMatrix",value:function(t,a,n,i){var s,o;$l(t);var l=n.getRotation?n.getRotation(i):0;if(l!==0){var u=n.getRotationPoint(i),v=u.x,f=u.y;yn(t,t,[v,f]),Ul(t,t,l);var c=n.getRotationOffset(i);s=c.x+(a.xOffset||0),o=c.y+(a.yOffset||0)}else s=a.x1,o=a.y1;yn