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<title>JavaScript <=> PaperScript example</title>
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<code mode="text/html">
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<!DOCTYPE html>
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<html>
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<head>
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<script type="text/javascript" src="paper.js"></script>
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<script type="text/javascript" src="jsoneditor.min.js"></script>
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<script type="text/javascript" src="connected-lines.js" canvas="canvas"></script>
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<script type="text/javascript">
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var params;
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function rnd_params() {
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params = connected_lines_get_rnd_params();
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}
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function draw() {
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paper.project.clear();
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var grp = connected_lines(params);
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grp.scale(500, new Point(0,0));
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}
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function get_svg() {
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return paper.project.exportSVG({asString: true});
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}
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window.onload = function() {
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paper.install(window);
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paper.setup(document.getElementById('canvas'));
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var editor;
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rnd_params();
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draw();
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document.getElementById('download-svg').addEventListener('click', function() {
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var svgdata = 'data:image/svg+xml;utf8,' + encodeURIComponent(get_svg());
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var a = document.createElement('a');
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a.download = 'export.svg';
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a.href = svgdata;
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document.body.appendChild(a);
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a.click();
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});
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document.getElementById('new').addEventListener('click', function() {
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rnd_params();
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editor.setValue(params);
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draw();
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});
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editor = new JSONEditor(document.getElementById('params'), {
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no_additional_properties: true,
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disable_edit_json: true,
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disable_properties: true,
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disable_collapse: true,
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startval: params,
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schema: {
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type: 'object',
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title: 'Parameters',
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properties: {
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start_x: {
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type: 'number',
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minimum: 0,
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maximum: 1,
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},
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start_y: {
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type: 'number',
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minimum: 0,
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maximum: 1,
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},
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offs_x: {
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type: 'number',
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minimum: 0,
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maximum: 0.1,
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format: 'range',
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step: 0.0001
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},
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offs_y: {
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type: 'number',
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minimum: 0,
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maximum: 0.1,
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format: 'range',
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step: 0.0001
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},
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num_steps: {
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type: 'integer',
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minimum: 1,
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maximum: 10,
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format: 'range'
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}
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}
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}
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});
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editor.on('change', function() {
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params = editor.getValue();
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draw();
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});
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}
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</script>
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</head>
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<body>
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<canvas id="canvas" style="width: 500px; height: 500px;" resize></canvas>
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<hr>
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<button id="download-svg">download svg</button>
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<button id="new">new</button>
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<br>
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<div id="params"></div>
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</body>
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</html>
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