• Jump To … +
    ./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-016.js ./demo/canvas-017.js ./demo/canvas-018.js ./demo/canvas-019.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-057.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/canvas-065.js ./demo/canvas-066.js ./demo/canvas-067.js ./demo/canvas-068.js ./demo/canvas-069.js ./demo/canvas-070.js ./demo/canvas-071.js ./demo/canvas-072.js ./demo/canvas-073.js ./demo/canvas-074.js ./demo/canvas-201.js ./demo/canvas-202.js ./demo/canvas-203.js ./demo/canvas-204.js ./demo/canvas-205.js ./demo/canvas-206.js ./demo/canvas-207.js ./demo/canvas-208.js ./demo/canvas-209.js ./demo/canvas-210.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/dom-019.js ./demo/dom-020.js ./demo/dom-021.js ./demo/filters-001.js ./demo/filters-002.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-029.js ./demo/filters-030.js ./demo/filters-031.js ./demo/filters-032.js ./demo/filters-033.js ./demo/filters-034.js ./demo/filters-035.js ./demo/filters-036.js ./demo/filters-037.js ./demo/filters-038.js ./demo/filters-039.js ./demo/filters-040.js ./demo/filters-041.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/particles-017.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/temp-001.js ./demo/temp-shape-scale-investigation.js ./demo/tensorflow-001.js ./demo/tensorflow-002.js ./demo/utilities.js
  • §

    Demo Canvas 025

    Various responsive and non-responsive canvases; responsive images

  • §

    Run code

    import * as scrawl from '../source/scrawl.js';
    
    import { reportSpeed } from './utilities.js';
  • §

    Namespacing boilerplate

    const namespace = 'demo-canvas-025';
    const name = (n) => `${namespace}-${n}`;
  • §

    Import image from DOM, and add data to it

    scrawl.importDomImage('.myimage');
  • §

    Scene animation

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

    const report = reportSpeed('#reportmessage');
  • §

    Build (most of) the canvas displays

    const demoBuilder = (canvasName) => {
    
        const c = scrawl.findCanvas(canvasName);
    
        c.set({ backgroundColor: 'yellow' });
    
        scrawl.makeOval({
    
            name: name(`${canvasName}-oval1`),
            group: c.base.name,
            start: ['center', 'center'],
            handle: ['center', 'center'],
            radiusX: '20%',
            radiusY: '20%',
            fillStyle: 'blue',
            strokeStyle: 'lightblue',
            lineWidth: 10,
            method: 'fillThenDraw',
        });
    
        scrawl.makeOval({
    
            name: name(`${canvasName}-oval2`),
            group: c.base.name,
            start: ['center', 'center'],
            handle: ['center', 'center'],
            radiusX: 30,
            radiusY: 30,
            fillStyle: 'green',
            strokeStyle: 'lightgreen',
            lineWidth: 4,
            method: 'fillThenDraw',
        });
    };
    
    demoBuilder('nr-canvas-1');
    demoBuilder('nr-canvas-2');
    demoBuilder('nr-canvas-3');
    demoBuilder('nr-canvas-4');
    demoBuilder('nr-canvas-5');
    demoBuilder('canvas-1');
    demoBuilder('canvas-2');
  • §

    Build the canvas with the responsive image

    const canvas3 = scrawl.findCanvas('canvas-3');
    
    scrawl.makePicture({
        name: name(`${canvas3.name}-image`),
        group: canvas3.base.name,
        asset: "river",
        width: "100%",
        height: "100%",
        copyWidth: "100%",
        copyHeight: "100%"
    });
  • §

    Display cycle loop

    scrawl.makeAnimation({
        name: name('update-all-canvases'),
        fn: () => {
            scrawl.render();
            report();
        },
    });
  • §

    Development and testing

    console.log(scrawl.library);