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V25.1
  • GaugeBase.GetSvgMarkupAsync() Method

    Gets the component’s SVG markup.

    Namespace: DevExpress.Blazor.Base

    Assembly: DevExpress.Blazor.v25.1.dll

    NuGet Package: DevExpress.Blazor

    Declaration

    public ValueTask<string> GetSvgMarkupAsync()

    Returns

    Type Description
    ValueTask<String>

    A structure that stores an awaitable result of an asynchronous operation. The awaitable result is an SVG markup string.

    Remarks

    The following code snippet gets the bar gauge’s SVG markup and passes it as a parameter to a custom CreateSvgMarkup function. This function creates a new SVG document that contains the bar gauge markup.

    Bar Gauge - Get SVG Markup

    @if (IsNewSvgGenerated) {
        @((MarkupString)NewSvgMarkup)
    } else {
        <DxButton Click=@Svg Text="Export SVG markup" />
    
    <DxBarGauge Width="420px"
                Height="400px"
                @ref="@BarGauge"
                StartValue="-5"
                EndValue="5"
                BaseValue="0"
                Values="@Values">
        <DxBarGaugeLabelSettings>
            <DxTextFormatSettings LdmlString="@LabelFormat" />
        </DxBarGaugeLabelSettings>
        <DxBarGaugeLegendSettings Visible="true"
                                  ItemCaptions="@LegendItemCaptions"
                                  VerticalAlignment="VerticalEdge.Bottom"
                                  HorizontalAlignment="HorizontalAlignment.Center" />
        <DxTitleSettings Text="Deviations in Manufactured Parts">
            <DxFontSettings Size="28" Weight="600" />
        </DxTitleSettings>
    </DxBarGauge>
    }
    
    @code {
        string NewSvgMarkup { get; set; }
        bool IsNewSvgGenerated { get; set; }
    
        DxBarGauge BarGauge;
    
        public async Task Svg () {
            var gaugeMarkup = await BarGauge.GetSvgMarkupAsync();
            NewSvgMarkup = CreateSvgMarkup(gaugeMarkup);
            IsNewSvgGenerated = true;
        }
        string CreateSvgMarkup (string gaugeMarkup) {
            var templateSvg = 
                "<svg width=\"820px\" height=\"420px\">" +
                    "<path d=\"M 13 407 L 128 407 L 232 39 L 13 39\" fill=\"#6D39C3\"></path>" +
                    "<path d=\"M 46 381 L 161 381 L 265 13 L 46 13\" opacity=\"0.5\" fill=\"#6D39C3\"></path>" +
                    "<text transform=\"translate(30,89)\" style=\"fill: rgb(255, 255, 255);font-family: &quot;Segoe UI&quot;, &quot;Helvetica Neue&quot;, &quot;Trebuchet MS&quot;, Verdana, sans-serif;font-size: 36px;font-weight: bold;\">" +
                        "<tspan x=\"0\" y=\"0\">Export </tspan>" +
                        "<tspan x=\"0\" y=\"38\">SVG</tspan>" +
                        "<tspan x=\"0\" y=\"76\">Content</tspan>" +
                    "</text>" +
    
                    "<path opacity=\"0.8\" d=\"M 0 0 L 820 0 L 820 420 L 0 420 L 0 0\" stroke=\"#999999\" stroke-width=\"1\" stroke-linecap=\"butt\" fill=\"none\" stroke-linejoin=\"miter\"></path>" +
                "</svg>"; 
    
            return "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" version=\"1.1\" width=\"820px\" height=\"420px\">" +
                templateSvg +
                "<g transform=\"translate(305,12)\">" + gaugeMarkup + "</g>" +
            "</svg>";
        }
    
        string LabelFormat = "##.## mm;-##.## mm";
        double[] Values = new double[] { -2.13, 1.48, -3.09, 4.52, 4.9, 3.9 };
        string[] LegendItemCaptions = new string[] { "Shaft", "Screw", "Bolt", "Washer", "Pin", "Bushing" };
    }
    
    See Also