Пример #1
0
        //Main code for creating chart.
        //Note: the argument img is unused because this demo only has 1 chart.
        public void createChart(WinChartViewer viewer, string img)
        {
            // The data for the line chart
            double[] data0  = { 42, 49, 33, 38, 64, 56, 29, 41, 44, 57, 59, 42 };
            double[] data1  = { 65, 75, 47, 34, 42, 49, 73, 62, 90, 69, 66, 78 };
            double[] data2  = { 36, 28, 25, 28, 38, 20, 22, 30, 25, 33, 30, 24 };
            string[] labels = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul",
                                "Aug", "Sep", "Oct", "Nov", "Dec" };

            // Create a XYChart object of size 600 x 400 pixels
            XYChart c = new XYChart(600, 400);

            // Add a title to the chart using 18 pts Times Bold Italic font
            ChartDirector.TextBox title = c.addTitle("Product Line Global Revenue",
                                                     "Times New Roman Bold Italic", 18);

            // Tentatively set the plotarea at (50, 55) and of (chart_width - 100) x
            // (chart_height - 120) pixels in size. Use a vertical gradient color
            // from sky blue (aaccff) t0 light blue (f9f9ff) as background. Set both
            // horizontal and vertical grid lines to dotted semi-transprent black
            // (aa000000).
            PlotArea plotArea = c.setPlotArea(50, 55, c.getWidth() - 100,
                                              c.getHeight() - 120, c.linearGradientColor(0, 55, 0, 55 +
                                                                                         c.getHeight() - 120, 0xaaccff, 0xf9fcff), -1, -1, c.dashLineColor(
                                                  unchecked ((int)0xaa000000), Chart.DotLine), -1);

            // Add a legend box and anchored the top center at the horizontal center
            // of the chart, just under the title. Use 10pts Arial Bold as font, with
            // transparent background and border.
            LegendBox legendBox = c.addLegend(c.getWidth() / 2, title.getHeight(),
                                              false, "Arial Bold", 10);

            legendBox.setAlignment(Chart.TopCenter);
            legendBox.setBackground(Chart.Transparent, Chart.Transparent);

            // Set y-axis title using 10 points Arial Bold Italic font, label style
            // to 8 points Arial Bold, and axis color to transparent
            c.yAxis().setTitle("Revenue (USD millions)", "Arial Bold Italic", 10);
            c.yAxis().setLabelStyle("Arial Bold", 8);
            c.yAxis().setColors(Chart.Transparent);

            // Set y-axis tick density to 30 pixels. ChartDirector auto-scaling will
            // use this as the guideline when putting ticks on the y-axis.
            c.yAxis().setTickDensity(30);

            // Add a line layer to the chart
            LineLayer layer = c.addLineLayer2();

            // Set the line width to 3 pixels
            layer.setLineWidth(3);

            // Add the three data sets to the line layer, using circles, diamands and
            // X shapes as symbols
            layer.addDataSet(data0, 0xff0000, "Quantum Computer").setDataSymbol(
                Chart.CircleSymbol, 9);
            layer.addDataSet(data1, 0x00ff00, "Atom Synthesizer").setDataSymbol(
                Chart.DiamondSymbol, 11);
            layer.addDataSet(data2, 0xff6600, "Proton Cannon").setDataSymbol(
                Chart.Cross2Shape(), 11);

            // Set the x axis labels
            c.xAxis().setLabels(labels);

            // Convert the labels on the x-axis to a CDMLTable
            CDMLTable table = c.xAxis().makeLabelTable();

            // Set the default top/bottom margins of the cells to 3 pixels
            table.getStyle().setMargin2(0, 0, 3, 3);

            // Use Arial Bold as the font for the first row
            table.getRowStyle(0).setFontStyle("Arial Bold");

            //
            // We can add more information to the table. In this sample code, we add
            // the data series and the legend icons to the table.
            //

            // Add 3 more rows to the table. Set the background of the 1st and 3rd
            // rows to light grey (eeeeee).
            table.appendRow().setBackground(0xeeeeee, Chart.LineColor);
            table.appendRow();
            table.appendRow().setBackground(0xeeeeee, Chart.LineColor);

            // Put the values of the 3 data series to the cells in the 3 rows
            for (int i = 0; i < data0.Length; ++i)
            {
                table.setText(i, 1, (data0[i]).ToString());
                table.setText(i, 2, (data1[i]).ToString());
                table.setText(i, 3, (data2[i]).ToString());
            }

            // Insert a column on the left for the legend icons. Use 5 pixels
            // left/right margins and 3 pixels top/bottom margins for the cells in
            // this column.
            table.insertCol(0).setMargin2(5, 5, 3, 3);

            // The top cell is set to transparent, so it is invisible
            table.getCell(0, 0).setBackground(Chart.Transparent, Chart.Transparent);

            // The other 3 cells are set to the legend icons of the 3 data series
            table.setText(0, 1, layer.getLegendIcon(0));
            table.setText(0, 2, layer.getLegendIcon(1));
            table.setText(0, 3, layer.getLegendIcon(2));

            // Layout legend box first, so we can get its size
            c.layoutLegend();

            // Adjust the plot area size, such that the bounding box (inclusive of
            // axes) is 2 pixels from the left, right and bottom edge, and is just
            // under the legend box.
            c.packPlotArea(2, legendBox.getTopY() + legendBox.getHeight(),
                           c.getWidth() - 3, c.getHeight() - 3);

            // After determining the exact plot area position, we may adjust the
            // legend box and the title positions so that they are centered relative
            // to the plot area (instead of the chart)
            legendBox.setPos(plotArea.getLeftX() + (plotArea.getWidth() -
                                                    legendBox.getWidth()) / 2, legendBox.getTopY());
            title.setPos(plotArea.getLeftX() + (plotArea.getWidth() - title.getWidth(
                                                    )) / 2, title.getTopY());

            // Output the chart
            viewer.Image = c.makeImage();

            //include tool tip for the chart
            viewer.ImageMap = c.getHTMLImageMap("clickable", "",
                                                "title='Revenue of {dataSetName} in {xLabel}: US$ {value}M'");
        }