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  ./demo/canvas-001.js ./demo/canvas-002.js ./demo/canvas-003.js ./demo/canvas-004.js ./demo/canvas-005.js ./demo/canvas-006.js ./demo/canvas-007.js ./demo/canvas-008.js ./demo/canvas-009.js ./demo/canvas-010.js ./demo/canvas-011.js ./demo/canvas-012.js ./demo/canvas-013.js ./demo/canvas-014.js ./demo/canvas-015.js ./demo/canvas-015a.js ./demo/canvas-016.js ./demo/canvas-017.js ./demo/canvas-018.js ./demo/canvas-019.js ./demo/canvas-019a.js ./demo/canvas-020.js ./demo/canvas-021.js ./demo/canvas-022.js ./demo/canvas-023.js ./demo/canvas-024.js ./demo/canvas-025.js ./demo/canvas-026.js ./demo/canvas-027.js ./demo/canvas-028.js ./demo/canvas-029.js ./demo/canvas-030.js ./demo/canvas-031.js ./demo/canvas-032.js ./demo/canvas-033.js ./demo/canvas-034.js ./demo/canvas-035.js ./demo/canvas-036.js ./demo/canvas-037.js ./demo/canvas-038.js ./demo/canvas-039.js ./demo/canvas-040.js ./demo/canvas-041.js ./demo/canvas-042.js ./demo/canvas-043.js ./demo/canvas-044.js ./demo/canvas-045.js ./demo/canvas-046.js ./demo/canvas-047.js ./demo/canvas-048.js ./demo/canvas-049.js ./demo/canvas-050.js ./demo/canvas-051.js ./demo/canvas-052.js ./demo/canvas-053.js ./demo/canvas-054.js ./demo/canvas-055.js ./demo/canvas-056.js ./demo/canvas-058.js ./demo/canvas-059.js ./demo/canvas-060.js ./demo/canvas-061.js ./demo/canvas-062.js ./demo/canvas-063.js ./demo/canvas-064.js ./demo/core-001.js ./demo/delaunator-001.js ./demo/delaunator-002.js ./demo/dom-001.js ./demo/dom-002.js ./demo/dom-003.js ./demo/dom-004.js ./demo/dom-005.js ./demo/dom-006.js ./demo/dom-007.js ./demo/dom-008.js ./demo/dom-009.js ./demo/dom-010.js ./demo/dom-011.js ./demo/dom-012.js ./demo/dom-013.js ./demo/dom-015.js ./demo/dom-016.js ./demo/dom-017.js ./demo/dom-018.js ./demo/filters-001.js ./demo/filters-002.js ./demo/filters-002a.js ./demo/filters-003.js ./demo/filters-004.js ./demo/filters-005.js ./demo/filters-006.js ./demo/filters-007.js ./demo/filters-008.js ./demo/filters-009.js ./demo/filters-010.js ./demo/filters-011.js ./demo/filters-012.js ./demo/filters-013.js ./demo/filters-014.js ./demo/filters-015.js ./demo/filters-016.js ./demo/filters-017.js ./demo/filters-018.js ./demo/filters-019.js ./demo/filters-020.js ./demo/filters-021.js ./demo/filters-022.js ./demo/filters-023.js ./demo/filters-024.js ./demo/filters-025.js ./demo/filters-026.js ./demo/filters-027.js ./demo/filters-028.js ./demo/filters-101.js ./demo/filters-102.js ./demo/filters-103.js ./demo/filters-104.js ./demo/filters-105.js ./demo/filters-501.js ./demo/filters-502.js ./demo/filters-503.js ./demo/filters-504.js ./demo/filters-505.js ./demo/mediapipe-001.js ./demo/mediapipe-002.js ./demo/mediapipe-003.js ./demo/modules-001.js ./demo/modules-002.js ./demo/modules-003.js ./demo/modules-004.js ./demo/modules-005.js ./demo/modules-006.js ./demo/packets-001.js ./demo/packets-002.js ./demo/particles-001.js ./demo/particles-002.js ./demo/particles-003.js ./demo/particles-004.js ./demo/particles-005.js ./demo/particles-006.js ./demo/particles-007.js ./demo/particles-008.js ./demo/particles-009.js ./demo/particles-010.js ./demo/particles-011.js ./demo/particles-012.js ./demo/particles-013.js ./demo/particles-014.js ./demo/particles-015.js ./demo/particles-016.js ./demo/rapier-001.js ./demo/snippets-001.js ./demo/snippets-002.js ./demo/snippets-003.js ./demo/snippets-004.js ./demo/snippets-005.js ./demo/snippets-006.js ./demo/tensorflow-001.js ./demo/tensorflow-002.js ./demo/utilities.js

- §

  # Demo Canvas 042

  Canvas entity clip regions

- §

  Run code

      import * as scrawl from '../source/scrawl.js';

      import { reportSpeed } from './utilities.js';

- §

  #### Scene setup

      const canvas = scrawl.library.artefact.mycanvas,
          entity = scrawl.library.entity;

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  Import image from DOM, and create Picture entity using it

      scrawl.importDomImage('.canal');

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  The image to be clipped

      scrawl.makePicture({

          name: 'background',
          asset: 'factory',

          dimensions: ['100%', '100%'],
          copyDimensions: ['100%', '100%'],

          order: 1,
      });

      const generics = {
          start: ['center', 'center'],
          handle: ['center', 'center'],
          method: 'clip',
          visibility: false,
          delta: {
              roll: 0.5,
          }
      };

- §

  The entitys to be used as clip regions

      let clipzone = scrawl.makeBlock({
          name: 'block-clipper',
          dimensions: [200, 200],

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  @ts-expect-error

      }).set(generics).set({ visibility: true });

      scrawl.makeWheel({
          name: 'wheel-clipper',
          radius: 150,
          startAngle: 30,
          endAngle: -30,
          includeCenter: true,

- §

  @ts-expect-error

      }).set(generics);

      scrawl.makePhrase({
          name: 'phrase-clipper',
          text: 'HELLO!',
          font: '50px arial, sans-serif',

- §

  @ts-expect-error

      }).set(generics);

      scrawl.makeCog({
          name: 'cog-clipper',
          outerRadius: 140,
          innerRadius: 120,
          outerControlsDistance: 20,
          innerControlsDistance: 16,
          points: 24,

- §

  @ts-expect-error

      }).set(generics);

      scrawl.makeOval({
          name: 'oval-clipper',
          radiusX: 120,
          radiusY: 150,
          intersectY: 0.55,

- §

  @ts-expect-error

      }).set(generics);

      scrawl.makePolygon({
          name: 'polygon-clipper',
          sideLength: 150,
          sides: 6,

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  @ts-expect-error

      }).set(generics);

      scrawl.makeRectangle({
          name: 'rectangle-clipper',
          rectangleWidth: 240,
          rectangleHeight: 180,
          radius: 30,

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  @ts-expect-error

      }).set(generics);

      scrawl.makeShape({
          name: 'shape-clipper',
          pathDefinition: 'M266.2,703.1 h-178 L375.1,990 l287-286.9 H481.9 C507.4,365,683.4,91.9,911.8,25.5 877,15.4,840.9,10,803.9,10 525.1,10,295.5,313.4,266.2,703.1 z',
          scale: 0.4,

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  @ts-expect-error

      }).set(generics);

      scrawl.makeSpiral({
          name: 'spiral-clipper',
          loops: 2,
          loopIncrement: 80,
          drawFromLoop: 1,

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  @ts-expect-error

      }).set(generics);

      scrawl.makeStar({
          name: 'star-clipper',
          radius1: 80,
          radius2: 140,
          points: 6,

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  @ts-expect-error

      }).set(generics);

      scrawl.makeTetragon({
          name: 'tetragon-clipper',
          radiusX: 120,
          radiusY: 150,
          intersectY: 1.2,

- §

  @ts-expect-error

      }).set(generics);

      scrawl.makePolyline({
          name: 'polyline-clipper',
          pins: [[100, 200], [200, 400], [300, 300], [400, 400], [500, 200], [240, 100]],
          tension: 0.5,
          closed: true,

- §

  @ts-expect-error

      }).set(generics);

- §

  #### Scene animation

  Function to display frames-per-second data, and other information relevant to the demo

      const report = reportSpeed('#reportmessage', function () {

          return `Current clip entity: ${clipzone.name}`;
      });

      const checkForActivity = function () {

          clipzone.set({
              lockTo: (canvas.here.active) ? 'mouse' : 'start',
          });
      };

- §

  Create the Display cycle animation

      scrawl.makeRender({

          name: 'demo-animation',
          target: canvas,
          commence: checkForActivity,
          afterShow: report,
      });

- §

  #### User interaction

  Setup form observer functionality

      scrawl.addNativeListener(['input', 'change'], (e) => {

          const val = e.target.value,
              selected = entity[val];

          if (selected) {

              clipzone.set({
                  visibility: false,
              });

              clipzone = selected;

              clipzone.set({
                  visibility: true,
              });
          }

      }, '#clip-entity')

- §

  Setup form @ts-expect-error

      document.querySelector('#clip-entity').options.selectedIndex = 0;

- §

  #### Development and testing

      console.log(scrawl.library);