githubmirror/echarts

test/stream-basic4.html
210 строк7 KB
100pah
test: Add test util for canvas layer debug.
09 апр 2026, 21:50
09 апр 2026, 21:506dff663
<!DOCTYPE html>
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<html>
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <script src="lib/simpleRequire.js"></script>
        <script src="lib/config.js"></script>
        <script src="lib/jquery.min.js"></script>
        <script src="lib/facePrint.js"></script>
        <script src="lib/testHelper.js"></script>
        <script src="lib/perlin.js"></script>
        <script src="lib/canteen.js"></script>
        <link rel="stylesheet" href="lib/reset.css" />
    </head>
    <body>

        <div id="main0"></div>
        <div id="record"></div>

        <script>

        var recordContainer = document.getElementById('record');
        var chart;

        testHelper.controlFrame({
            pauseAt: 1,
            onFrame: function (frameNumber) {
                testHelper.printCanvasLayerDrawOperationsOnFrame(chart, frameNumber, recordContainer);
            }
        });


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

            const _ctx = {
                dataKind: '9x9',
                hoverLayerThreshold: 1,
                // hoverLayerThreshold: Infinity,
                progressive: 1,
            };

            function createOption() {
                var COUNT;
                var largeSettings1;
                var largeSettings2;

                if (_ctx.dataKind === '9x9') {
                    COUNT = 9;
                }
                else if (_ctx.dataKind === '30x30') {
                    COUNT = 30;
                }
                else if (_ctx.dataKind === '100x100') {
                    COUNT = 100;
                }
                else if (_ctx.dataKind === '200x200') {
                    COUNT = 200;
                }
                else if (_ctx.dataKind === '500x500') {
                    COUNT = 500;
                }
                largeSettings1 = {
                    progressive: _ctx.progressive,
                    progressiveThreshold: 1,
                };
                largeSettings2 = {
                    hoverLayerThreshold: _ctx.hoverLayerThreshold,
                };

                var xData = [];
                var yData = [];
                noise.seed(Math.random());

                function generateData(theta) {
                    var data = [];
                    var min = Infinity;
                    var max = -Infinity;
                    for (var i = 0; i <= COUNT; i++) {
                        for (var j = 0; j <= COUNT; j++) {
                            var val = noise.perlin2(i / 40, j / 20) + 0.5;
                            min = Math.min(min, val);
                            max = Math.max(max, val);
                            data.push([i, j, val]);
                        }
                        yData.push(i);
                        xData.push(i);
                    }
                    return {data, min, max};
                }

                var {data, min, max} = generateData(2);

                var option = {

                    ...largeSettings2,

                    tooltip: {},
                    grid: {
                        left: 150,
                    },
                    xAxis: {
                        type: 'category',
                        data: xData
                    },
                    yAxis: {
                        type: 'category',
                        data: yData
                    },
                    visualMap: {
                        // type: 'piecewise',
                        min: min,
                        max: max,
                        top: 10,
                        right: 0,
                        calculable: true,
                        splitNumber: 8,
                        inRange: {
                            color: ['#313695', '#4575b4', '#74add1', '#abd9e9', '#e0f3f8', '#ffffbf', '#fee090', '#fdae61', '#f46d43', '#d73027', '#a50026']
                        }
                    },
                    series: [{
                        name: 'Gaussian',
                        type: 'heatmap',
                        data: data,
                        // itemStyle: {
                        //     borderColor: 'red',
                        //     borderWidth: 2
                        // },
                        emphasis: {
                            itemStyle: {
                                borderColor: '#333',
                                borderWidth: 2
                            }
                        },
                        // silent: true,
                        ...largeSettings1,
                        animation: false
                    }]
                }
                return option;
            }

            function updateChart() {
                chart.setOption(createOption(), {notMerge: true});
            }

            chart = testHelper.create(echarts, 'main0', {
                title: [
                    'Click **Resume**',
                    '(NOTE: hoverLayerThreshold does not affect progressive rendering hovering)'
                ],
                option: createOption(),
                // recordCanvas: true
                height: 350,
                inputsStyle: 'compact',
                inputs: [{
                    type: 'select',
                    text: 'dataKind:',
                    values: [_ctx.dataKind, '30x30', '100x100', '200x200', '500x500'],
                    onchange() {
                        _ctx.dataKind = this.value;
                        updateChart();
                    }
                }, {
                    type: 'select',
                    text: 'hoverLayerThreshold:',
                    values: [_ctx.hoverLayerThreshold, Infinity, undefined],
                    onchange() {
                        _ctx.hoverLayerThreshold = this.value;
                        updateChart();
                    }
                }, {
                    type: 'select',
                    text: 'progressive:',
                    values: [_ctx.progressive, 300, 1000, 0],
                    onchange() {
                        _ctx.progressive = this.value;
                        updateChart();
                    }
                }]
            });



        });
        </script>


    </body>
</html>