| 
 | 1 | +---  | 
 | 2 | +title: Rounded corners for Chart columns  | 
 | 3 | +page_title: Rounded corners for Bar Chart columns  | 
 | 4 | +description: "An example on how to apply rounded corners styling to {{ site.product }} Chart columns."  | 
 | 5 | +type: how-to  | 
 | 6 | +slug: chart-rounded-corners  | 
 | 7 | +tags: progress, telerik, aspnet, mvc, core, chart, rounded, corners  | 
 | 8 | +res_type: kb  | 
 | 9 | +component: chart  | 
 | 10 | +---  | 
 | 11 | + | 
 | 12 | +## Environment  | 
 | 13 | + | 
 | 14 | +<table>  | 
 | 15 | + <tr>  | 
 | 16 | +  <td>Product</td>  | 
 | 17 | +  <td>{{ site.product }} Chart</td>  | 
 | 18 | + </tr>  | 
 | 19 | +</table>  | 
 | 20 | + | 
 | 21 | +## Description  | 
 | 22 | + | 
 | 23 | +How can I change {{ site.product }} Chart columns to appear with rounded corners?  | 
 | 24 | + | 
 | 25 | +## Solution  | 
 | 26 | + | 
 | 27 | +You can achieve this requirement using the .Visual() capability offered by the component. Check the full implementation in this live REPL sample:  | 
 | 28 | + | 
 | 29 | +[Chart Example: All Corners Rounded](https://netcorerepl.telerik.com/myPlcPlg30MY8AnT10)  | 
 | 30 | + | 
 | 31 | +The result looks like this:  | 
 | 32 | + | 
 | 33 | +  | 
 | 34 | + | 
 | 35 | +```Razor  | 
 | 36 | +<div class="demo-section wide">  | 
 | 37 | +    @(Html.Kendo().Chart<Kendo.Mvc.Examples.Models.ElectricityProduction>()  | 
 | 38 | +        .Name("chart")  | 
 | 39 | +        .Title("Orders Status")  | 
 | 40 | +        .Legend(legend => legend  | 
 | 41 | +            .Position(ChartLegendPosition.Top)  | 
 | 42 | +        )  | 
 | 43 | +        .SeriesDefaults(seriesDefaults => seriesDefaults  | 
 | 44 | +            .Column().Visual("columnVisual")  | 
 | 45 | +            .Highlight(highlight => highlight.Toggle("toggleHandler"))  | 
 | 46 | +        )  | 
 | 47 | +        .Series(series => {  | 
 | 48 | +            series.Column(new double[] { 440000 })  | 
 | 49 | +            .Name("Active").Color("#229954");   | 
 | 50 | +            series.Column(new double[] { 180000 })  | 
 | 51 | +            .Name("Delayed").Color("#CD5C5C");  | 
 | 52 | +            series.Column(new double[] { 230000 })  | 
 | 53 | +            .Name("Delivered").Color("#145a32");  | 
 | 54 | +        })  | 
 | 55 | +        .CategoryAxis(axis => axis  | 
 | 56 | +            .Labels(labels => labels.Rotation(-90))  | 
 | 57 | +            .MajorGridLines(lines => lines.Visible(false))  | 
 | 58 | +        )  | 
 | 59 | +        .ValueAxis(axis => axis.Numeric()  | 
 | 60 | +            .Labels(labels => labels.Format("{0:N0}"))  | 
 | 61 | +            .MajorUnit(50000)  | 
 | 62 | +            .Line(line => line.Visible(false))  | 
 | 63 | +        )  | 
 | 64 | +        .Tooltip(tooltip => tooltip  | 
 | 65 | +            .Visible(true)  | 
 | 66 | +            .Format("{0:N0}")  | 
 | 67 | +        )  | 
 | 68 | +    )   | 
 | 69 | +</div>  | 
 | 70 | +<script>  | 
 | 71 | +    function columnVisual(e) {  | 
 | 72 | +        return createColumn(e.rect, e.options.color);  | 
 | 73 | +    }  | 
 | 74 | +
  | 
 | 75 | +    function toggleHandler(e) {  | 
 | 76 | +        e.preventDefault();  | 
 | 77 | +        var visual = e.visual;  | 
 | 78 | +        var opacity = e.show ? 0.8 : 1;  | 
 | 79 | +
  | 
 | 80 | +        visual.opacity(opacity);  | 
 | 81 | +    }  | 
 | 82 | +
  | 
 | 83 | +    function createLegendItem(e) {  | 
 | 84 | +        var drawing = kendo.drawing;  | 
 | 85 | +        var geometry = kendo.geometry;  | 
 | 86 | +
  | 
 | 87 | +        var color = e.options.markers.background;  | 
 | 88 | +        var labelColor = e.options.labels.color;  | 
 | 89 | +        var rect = new geometry.Rect([0, 0], [120, 50]);  | 
 | 90 | +        var layout = new drawing.Layout(rect, {  | 
 | 91 | +            spacing: 5,  | 
 | 92 | +            alignItems: "center"  | 
 | 93 | +        });  | 
 | 94 | +
  | 
 | 95 | +        var overlay = drawing.Path.fromRect(rect, {  | 
 | 96 | +            fill: {  | 
 | 97 | +                color: "#fff",  | 
 | 98 | +                opacity: 0  | 
 | 99 | +            },  | 
 | 100 | +            stroke: {  | 
 | 101 | +                color: "none"  | 
 | 102 | +            },  | 
 | 103 | +            cursor: "pointer"  | 
 | 104 | +        });  | 
 | 105 | +
  | 
 | 106 | +        var column = createColumn(new geometry.Rect([0, 0], [15, 10]), color);  | 
 | 107 | +        var label = new drawing.Text(e.series.name, [0, 0], {  | 
 | 108 | +            fill: {  | 
 | 109 | +                color: labelColor  | 
 | 110 | +            }  | 
 | 111 | +        })  | 
 | 112 | +
  | 
 | 113 | +        layout.append(column, label);  | 
 | 114 | +        layout.reflow();  | 
 | 115 | +
  | 
 | 116 | +        var group = new drawing.Group().append(layout, overlay);  | 
 | 117 | +
  | 
 | 118 | +        return group;  | 
 | 119 | +    }  | 
 | 120 | +
  | 
 | 121 | +    function createColumn(rect, color) {  | 
 | 122 | +        var drawing = kendo.drawing;  | 
 | 123 | +        var geometry = kendo.geometry;  | 
 | 124 | +
  | 
 | 125 | +        var gradient = new drawing.LinearGradient({  | 
 | 126 | +            stops: [{  | 
 | 127 | +                offset: 0,  | 
 | 128 | +                color: color  | 
 | 129 | +            }, {  | 
 | 130 | +                offset: 0.5,  | 
 | 131 | +                color: color,  | 
 | 132 | +                opacity: 0.9  | 
 | 133 | +            }, {  | 
 | 134 | +                offset: 0.5,  | 
 | 135 | +                color: color,  | 
 | 136 | +                opacity: 0.9  | 
 | 137 | +            }, {  | 
 | 138 | +                offset: 1,  | 
 | 139 | +                color: color  | 
 | 140 | +            }]  | 
 | 141 | +        });  | 
 | 142 | +
  | 
 | 143 | +        var cornerRadius = 10;  | 
 | 144 | +        var roundedRect = new geometry.Rect(rect.origin, rect.size, cornerRadius);  | 
 | 145 | +        var column = new drawing.Rect(roundedRect, {  | 
 | 146 | +            fill: gradient,  | 
 | 147 | +            stroke: {  | 
 | 148 | +                color: "none"  | 
 | 149 | +            }  | 
 | 150 | +        });  | 
 | 151 | +
  | 
 | 152 | +        return column;  | 
 | 153 | +    }  | 
 | 154 | +</script>  | 
 | 155 | +```  | 
 | 156 | + | 
 | 157 | +It is also possible to have only the top corners rounded:  | 
 | 158 | + | 
 | 159 | +[Chart Example: Top Corners Rounded](https://netcorerepl.telerik.com/woPPcpOm0806bKQP47)  | 
 | 160 | + | 
 | 161 | +Here is the result:  | 
 | 162 | + | 
 | 163 | +  | 
 | 164 | + | 
 | 165 | +```Razor  | 
 | 166 | +<div class="demo-section wide">  | 
 | 167 | +    @(Html.Kendo().Chart<Kendo.Mvc.Examples.Models.ElectricityProduction>()  | 
 | 168 | +        .Name("chart")  | 
 | 169 | +        .Title("Orders Status")  | 
 | 170 | +        .SeriesDefaults(seriesDefaults => seriesDefaults  | 
 | 171 | +            .Column().Visual("columnVisual")  | 
 | 172 | +            .Highlight(highlight => highlight.Toggle("toggleHandler"))  | 
 | 173 | +        )  | 
 | 174 | +        .Series(series => {  | 
 | 175 | +            series.Column(new double[] { 440000 })  | 
 | 176 | +            .Name("Active").Color("#229954");   | 
 | 177 | +            series.Column(new double[] { 180000 })  | 
 | 178 | +            .Name("Delayed").Color("#CD5C5C");  | 
 | 179 | +            series.Column(new double[] { 230000 })  | 
 | 180 | +            .Name("Delivered").Color("#145a32");  | 
 | 181 | +        })  | 
 | 182 | +        .CategoryAxis(axis => axis  | 
 | 183 | +            .Labels(labels => labels.Rotation(-90))  | 
 | 184 | +            .MajorGridLines(lines => lines.Visible(false))  | 
 | 185 | +        )  | 
 | 186 | +        .ValueAxis(axis => axis.Numeric()  | 
 | 187 | +            .Labels(labels => labels.Format("{0:N0}"))  | 
 | 188 | +            .MajorUnit(50000)  | 
 | 189 | +            .Line(line => line.Visible(false))  | 
 | 190 | +        )  | 
 | 191 | +        .Tooltip(tooltip => tooltip  | 
 | 192 | +            .Visible(true)  | 
 | 193 | +            .Format("{0:N0}")  | 
 | 194 | +        )  | 
 | 195 | +    )   | 
 | 196 | +</div>  | 
 | 197 | +<script>  | 
 | 198 | +    function columnVisual(e) {  | 
 | 199 | +        return createColumn(e.rect, e.options.color);  | 
 | 200 | +    }  | 
 | 201 | +
  | 
 | 202 | +    function toggleHandler(e) {  | 
 | 203 | +        e.preventDefault();  | 
 | 204 | +        var visual = e.visual;  | 
 | 205 | +        var opacity = e.show ? 0.8 : 1;  | 
 | 206 | +
  | 
 | 207 | +        visual.opacity(opacity);  | 
 | 208 | +    }  | 
 | 209 | +
  | 
 | 210 | +    function createLegendItem(e) {  | 
 | 211 | +        var drawing = kendo.drawing;  | 
 | 212 | +        var geometry = kendo.geometry;  | 
 | 213 | +
  | 
 | 214 | +        var color = e.options.markers.background;  | 
 | 215 | +        var labelColor = e.options.labels.color;  | 
 | 216 | +        var rect = new geometry.Rect([0, 0], [120, 50]);  | 
 | 217 | +        var layout = new drawing.Layout(rect, {  | 
 | 218 | +            spacing: 5,  | 
 | 219 | +            alignItems: "center"  | 
 | 220 | +        });  | 
 | 221 | +
  | 
 | 222 | +        var overlay = drawing.Path.fromRect(rect, {  | 
 | 223 | +            fill: {  | 
 | 224 | +                color: "#fff",  | 
 | 225 | +                opacity: 0  | 
 | 226 | +            },  | 
 | 227 | +            stroke: {  | 
 | 228 | +                color: "none"  | 
 | 229 | +            },  | 
 | 230 | +            cursor: "pointer"  | 
 | 231 | +        });  | 
 | 232 | +
  | 
 | 233 | +        var column = createColumn(new geometry.Rect([0, 0], [15, 10]), color);  | 
 | 234 | +        var label = new drawing.Text(e.series.name, [0, 0], {  | 
 | 235 | +            fill: {  | 
 | 236 | +                color: labelColor  | 
 | 237 | +            }  | 
 | 238 | +        })  | 
 | 239 | +
  | 
 | 240 | +        layout.append(column, label);  | 
 | 241 | +        layout.reflow();  | 
 | 242 | +
  | 
 | 243 | +        var group = new drawing.Group().append(layout, overlay);  | 
 | 244 | +
  | 
 | 245 | +        return group;  | 
 | 246 | +    }  | 
 | 247 | +
  | 
 | 248 | +    function createColumn(rect, color) {  | 
 | 249 | +        var drawing = kendo.drawing;  | 
 | 250 | +        var geometry = kendo.geometry;  | 
 | 251 | +
  | 
 | 252 | +        var gradient = new drawing.LinearGradient({  | 
 | 253 | +            stops: [{  | 
 | 254 | +                offset: 0,  | 
 | 255 | +                color: color  | 
 | 256 | +            }, {  | 
 | 257 | +                offset: 0.5,  | 
 | 258 | +                color: color,  | 
 | 259 | +                opacity: 0.9  | 
 | 260 | +            }, {  | 
 | 261 | +                offset: 0.5,  | 
 | 262 | +                color: color,  | 
 | 263 | +                opacity: 0.9  | 
 | 264 | +            }, {  | 
 | 265 | +                offset: 1,  | 
 | 266 | +                color: color  | 
 | 267 | +            }]  | 
 | 268 | +        });  | 
 | 269 | +
  | 
 | 270 | +        var cornerRadius = 10;  | 
 | 271 | +        var roundedRect = new geometry.Rect(rect.origin, rect.size, cornerRadius);  | 
 | 272 | +        var column = new drawing.Rect(roundedRect, {  | 
 | 273 | +            fill: gradient,  | 
 | 274 | +            stroke: {  | 
 | 275 | +                color: "none"  | 
 | 276 | +            }  | 
 | 277 | +        });  | 
 | 278 | +
  | 
 | 279 | +        var baseOrigin = [rect.origin.x, rect.origin.y + rect.size.height - cornerRadius];  | 
 | 280 | +        var baseSize = [rect.size.width, cornerRadius];  | 
 | 281 | +        var baseRect = new geometry.Rect(baseOrigin, baseSize);  | 
 | 282 | +        var squareBase = new drawing.Rect(rect, {  | 
 | 283 | +            fill: gradient,  | 
 | 284 | +            stroke: {  | 
 | 285 | +                color: "none"  | 
 | 286 | +            },  | 
 | 287 | +            clip: drawing.Path.fromRect(baseRect)  | 
 | 288 | +        });  | 
 | 289 | +
  | 
 | 290 | +        var group = new drawing.Group();  | 
 | 291 | +        group.append(column, squareBase)  | 
 | 292 | +        return group;  | 
 | 293 | +    }  | 
 | 294 | +</script>  | 
 | 295 | +```  | 
 | 296 | + | 
 | 297 | +## See Also  | 
 | 298 | + | 
 | 299 | +* [Telerik UI for {{ site.framework }} Knowledge Base](https://docs.telerik.com/{{ site.platform }}/knowledge-base)  | 
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