test/stream-basic3.html - master - githubmirror/echarts

test/stream-basic3.html
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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/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: 20,
            onFrame: function (frameNumber) {
                testHelper.printCanvasLayerDrawOperationsOnFrame(chart, frameNumber, recordContainer);
            }
        });

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

            const _ctx = {
                rawDataCount: {
                    text: 'rawDataCount:',
                    value: 2e4,
                    values: [2e4, 100, 1e5, 5e5],
                },
                br0: {},
                hoverLayerThreshold: {
                    text: 'hoverLayerThreshold:',
                    value: undefined,
                    values: [undefined, 300, 1000, 0],
                },
                large: {
                    text: 'large:',
                    value: true,
                    values: [true, false],
                },
                largeThreshold: {
                    text: 'largeThreshold:',
                    value: undefined,
                    values: [undefined, 1, 1000],
                },
                progressive: {
                    text: 'progressive:',
                    value: undefined,
                    values: [undefined, 0, 1, 1000],
                },
                progressiveThreshold: {
                    text: 'progressiveThreshold:',
                    value: undefined,
                    values: [undefined, 1, 1000],
                },
            };

            function createOption() {

                var largeSettingsSeries = {};
                if (_ctx.large.value != null) {
                    largeSettingsSeries.large = _ctx.large.value;
                }
                if (_ctx.largeThreshold.value != null) {
                    largeSettingsSeries.largeThreshold = _ctx.largeThreshold.value;
                }
                if (_ctx.progressive.value != null) {
                    largeSettingsSeries.progressive = _ctx.progressive.value;
                }
                if (_ctx.progressiveThreshold.value != null) {
                    largeSettingsSeries.progressiveThreshold = _ctx.progressiveThreshold.value;
                }

                var largeSettingsGlobal = {};
                if (_ctx.hoverLayerThreshold.value != null) {
                    largeSettingsSeries.hoverLayerThreshold = _ctx.hoverLayerThreshold.value;
                }

                function generateOHLC(count) {
                    var data = [];

                    var xValue = +new Date(2011, 0, 1);
                    var minute = 60 * 1000;
                    var baseValue = Math.random() * 12000;
                    var boxVals = new Array(4);
                    var dayRange = 12;

                    for (var i = 0; i < count; i++) {
                        baseValue = baseValue + Math.random() * 20 - 10;

                        for (var j = 0; j < 4; j++) {
                            boxVals[j] = (Math.random() - 0.5) * dayRange + baseValue;
                        }
                        boxVals.sort();

                        var idxRandom = Math.random();
                        var openIdx = Math.round(Math.random() * 3);
                        var closeIdx = Math.round(Math.random() * 2);
                        if (closeIdx === openIdx) {
                            closeIdx++;
                        }
                        var volume = boxVals[3] * (1000 + Math.random() * 500);

                        // ['open', 'close', 'lowest', 'highest', 'volume']
                        // [1, 4, 3, 2]
                        data[i] = [
                            echarts.format.formatTime('yyyy-MM-dd hh:mm:ss', xValue += minute),
                            +boxVals[openIdx].toFixed(2), // open
                            +boxVals[3].toFixed(2), // highest
                            +boxVals[0].toFixed(2), // lowest
                            +boxVals[closeIdx].toFixed(2),  // close
                            volume.toFixed(0),
                            getSign(data, i, +boxVals[openIdx], +boxVals[closeIdx], 4) // sign
                        ];
                    }

                    return data;

                    function getSign(data, dataIndex, openVal, closeVal, closeDimIdx) {
                        var sign;
                        if (openVal > closeVal) {
                            sign = -1;
                        }
                        else if (openVal < closeVal) {
                            sign = 1;
                        }
                        else {
                            sign = dataIndex > 0
                                // If close === open, compare with close of last record
                                ? (data[dataIndex - 1][closeDimIdx] <= closeVal ? 1 : -1)
                                // No record of previous, set to be positive
                                : 1;
                        }

                        return sign;
                    }
                }

                function calculateMA(dayCount, data) {
                    var result = [];
                    for (var i = 0, len = data.length; i < len; i++) {
                        if (i < dayCount) {
                            result.push('-');
                            continue;
                        }
                        var sum = 0;
                        for (var j = 0; j < dayCount; j++) {
                            sum += data[i - j][2];
                        }
                        result.push(+(sum / dayCount).toFixed(3));
                    }
                    return result;
                }

                var rawData = generateOHLC(_ctx.rawDataCount.value);

                // frameInsight.init(echarts, 'duration');

                var upColor = '#ec0000';
                var upBorderColor = '#8A0000';
                var downColor = '#00da3c';
                var downBorderColor = '#008F28';

                var option = {

                    ...largeSettingsGlobal,

                    animation: false,
                    dataset: {
                        source: rawData
                    },
                    backgroundColor: '#eee',
                    legend: {
                        top: 10,
                        left: 0,
                    },
                    tooltip: {
                        trigger: 'axis',
                        axisPointer: {
                            type: 'line'
                        }
                    },
                    toolbox: {
                        feature: {
                            dataZoom: {
                                yAxisIndex: false
                            },
                            // brush: {
                            //     type: ['polygon', 'rect', 'lineX', 'lineY', 'keep', 'clear']
                            // }
                        }
                    },
                    // brush: {
                    //     xAxisIndex: 'all',
                    //     brushLink: 'all',
                    //     outOfBrush: {
                    //         colorAlpha: 0.1
                    //     }
                    // },
                    grid: [
                        {
                            left: '10%',
                            right: '10%',
                            bottom: 150,
                        },
                        {
                            left: '10%',
                            right: '10%',
                            height: 70,
                            bottom: 50
                        }
                    ],
                    xAxis: [
                        {
                            type: 'category',
                            scale: true,
                            boundaryGap : false,
                            // inverse: true,
                            axisLine: {onZero: false},
                            splitLine: {show: false},
                            splitNumber: 20,
                            min: 'dataMin',
                            max: 'dataMax'
                        },
                        {
                            type: 'category',
                            gridIndex: 1,
                            scale: true,
                            boundaryGap : false,
                            axisLine: {onZero: false},
                            axisTick: {show: false},
                            splitLine: {show: false},
                            axisLabel: {show: false},
                            splitNumber: 20,
                            min: 'dataMin',
                            max: 'dataMax'
                        }
                    ],
                    yAxis: [
                        {
                            scale: true,
                            splitArea: {
                                show: true
                            }
                        },
                        {
                            scale: true,
                            gridIndex: 1,
                            splitNumber: 2,
                            axisLabel: {show: false},
                            axisLine: {show: false},
                            axisTick: {show: false},
                            splitLine: {show: false}
                        }
                    ],
                    dataZoom: [
                        {
                            type: 'inside',
                            xAxisIndex: [0, 1],
                            start: 10,
                            end: 100
                        },
                        {
                            show: true,
                            xAxisIndex: [0, 1],
                            type: 'slider',
                            bottom: 10,
                            start: 10,
                            end: 100
                        }
                    ],
                    visualMap: {
                        show: false,
                        seriesIndex: 1,
                        dimension: 6,
                        pieces: [{
                            value: 1,
                            color: upColor
                        }, {
                            value: -1,
                            color: downColor
                        }]
                    },
                    series: [
                        {
                            name: 'Data Amount: ' + echarts.format.addCommas(_ctx.rawDataCount.value),
                            type: 'candlestick',
                            itemStyle: {
                                color: upColor,
                                color0: downColor,
                                borderColor: upBorderColor,
                                borderColor0: downBorderColor
                            },
                            encode: {
                                x: 0,
                                y: [1, 4, 3, 2]
                            },
                            ...largeSettingsSeries,
                        },
                        {
                            name: 'Volume',
                            type: 'bar',
                            xAxisIndex: 1,
                            yAxisIndex: 1,
                            itemStyle: {
                                color: '#7fbe9e'
                            },
                            large: true,
                            encode: {
                                x: 0,
                                y: 5
                            },
                            ...largeSettingsSeries,
                        }
                    ]
                };

                return option;
            }

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

            chart = testHelper.create(echarts, 'main0', {
                title: [
                    'Click **Resume**',
                    '2 progressive series',
                ],
                option: createOption(),
                height: 350,
                // recordCanvas: true
                inputsStyle: 'compact',
                inputs: testHelper.createInputsSimply(_ctx, updateChart),
            });
        });
        </script>


    </body>
</html>