test/bar-stream-large.html

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<html>
    <head>
        <meta charset='utf-8'>
        <script src='lib/simpleRequire.js'></script>
        <script src='lib/config.js'></script>
        <script src='lib/jquery.min.js'></script>
        <script src='lib/testHelper.js'></script>
        <!-- <script src="lib/canteen.js"></script> -->
        <link rel="stylesheet" href="lib/reset.css" />
        <meta name='viewport' content='width=device-width, initial-scale=1' />
        <link rel="stylesheet" href="./stream-basic.css" />
        <script src="./stream-basic.js"></script>
    </head>
    <body>
        <style>
            #snapshot {
                width: 150;
                height: 100;
                background: #fff;
                border: 5px solid rgba(0,0,0,0.5);
            }
        </style>
        <div id='main0'></div>
        <div id='record'></div>
        <img id="snapshot"/>
        <script>

        var chart;
        var recordContainer = document.getElementById('record');
        // testHelper.controlFrame({
        //     pauseAt: 20,
        //     onFrame: function (frameNumber) {
        //         window.printIncrementalOnFrame(chart, frameNumber, recordContainer);
        //     }
        // });

        require(['echarts'], function (echarts) {

            var count = 2e5;

            var data = [];

            for (var i = 0; i < count; i++) {
                data.push(['c' + i, Math.sin(i / 180 * Math.PI)]);
            }

            var option = {
                tooltip: {
                    trigger: 'axis'
                },
                legend: {},
                xAxis: {
                    type: 'category',
                    min: 0,
                    max: count - 1,
                    axisLabel: {
                        showMaxLabel: true,
                        showMinLabel: true
                    }
                },
                yAxis: {},
                dataZoom: [{}, {type: 'inside'}],
                series: [{
                    type: 'bar',
                    name: 'bar',
                    color: ['green'],
                    progressiveChunkMode: 'sequential',
                    large: true,
                    data: data
                }]
            };

            chart = testHelper.create(echarts, 'main0', {
                title: [
                    count + ' points should be rendered from left to right.',
                    '(1) Check all bars rendered (full of xAxis)',
                    '(2) And check roam.',
                    '(3) Check click legend',
                    '(4) Check snapshot rendering when "finished"'
                ],
                option: option,
                autoResize: false,
                info: {
                    xAxis: option.xAxis,
                    series: {progressiveChunkMode: 'sequential'}
                }
            });

            chart.on('finished', function () {
                var url = chart.getDataURL();
                var snapshotEl = document.getElementById('snapshot');
                snapshotEl.src = url;
            });

        });

        </script>
    </body>
</html>