Palette

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The PieChart, like other DevExtreme Data Visualization JavaScript components, provides several built-in palettes. In this demo, you can use the drop-down menus under the PieChart to choose a palette and change how it is extended when it has an insufficient number of colors.

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$(() => { $('#pie').dxPieChart({ palette: paletteCollection[0], dataSource, series: {}, legend: { visible: false, }, onDrawn(e) { const paletteName = e.component.option('palette'); const palette = DevExpress.viz.getPalette(paletteName).simpleSet; const paletteContainer = $('.palette-container'); paletteContainer.html(''); palette.forEach((color) => { $('<div>').css({ backgroundColor: color, }) .addClass('palette-item') .appendTo(paletteContainer); }); }, }); $('#palette').dxSelectBox({ items: paletteCollection, value: paletteCollection[0], onValueChanged(e) { $('#pie').dxPieChart({ palette: e.value, }); }, }); $('#extension-mode').dxSelectBox({ items: paletteExtensionModes, value: 'Blend', onValueChanged(e) { $('#pie').dxPieChart({ paletteExtensionMode: e.value, }); }, }); });

<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.1.3/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.1.3/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/22.1.3/js/dx.all.js"></script> <script src="data.js"></script> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="index.js"></script> </head> <body class="dx-viewport"> <div class="demo-container"> <div class="flex-container"> <div id="pie" class="flex-block"></div> <div class="palette-container flex-block"></div> </div> <div class="options"> <div class="caption">Options</div> <div class="options-container"> <div class="option"> <span>Palette</span> <div id="palette"></div> </div> <div class="option"> <span>Palette Extension Mode</span> <div id="extension-mode"></div> </div> </div> </div> </div> </body> </html>

.flex-container { display: flex; justify-content: center; align-items: center; flex-direction: row; } #pie { height: 350px; width: 500px; margin: 20px; } .palette-container { float: left; } .palette-item { width: 40px; height: 40px; } .options { padding: 20px; background-color: rgba(191, 191, 191, 0.15); margin-top: 20px; } .caption { font-size: 18px; font-weight: 500; } .option { display: inline-block; min-width: 320px; margin-top: 5px; } .option > span { margin: 0 10px 0 0; } .option > .dx-widget { display: inline-block; vertical-align: middle; } .options-container { display: flex; align-items: center; } .options-container > .option { display: flex; align-items: baseline; }