本文整理汇总了C#中ZedGraph.ZedGraphControl.GetImage方法的典型用法代码示例。如果您正苦于以下问题：C# ZedGraphControl.GetImage方法的具体用法？C# ZedGraphControl.GetImage怎么用？C# ZedGraphControl.GetImage使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ZedGraph.ZedGraphControl的用法示例。
在下文中一共展示了ZedGraphControl.GetImage方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CreateBarChartImageFile
//.........这里部分代码省略.........
pane.X2Axis.MajorGrid.IsVisible = false;
pane.X2Axis.MinorGrid.IsVisible = false;
pane.X2Axis.MajorTic.IsInside = false;
pane.X2Axis.MajorTic.IsOutside = false;
pane.X2Axis.MinorTic.IsInside = false;
pane.X2Axis.MinorTic.IsOutside = false;
pane.YAxis.MajorGrid.IsVisible = true;
pane.YAxis.MajorGrid.Color = Color.LightSteelBlue;
pane.YAxis.MajorTic.IsInside = false;
pane.YAxis.MinorTic.IsInside = false;
pane.YAxis.MinorTic.IsOutside = false;
pane.YAxis.Scale.FontSpec.Family = fontFamily;
pane.YAxis.Scale.FontSpec.Size = fontSize;
pane.YAxis.Title.FontSpec.Family = fontFamily;
pane.YAxis.Title.FontSpec.Size = fontSize;
pane.YAxis.Title.IsVisible = false;
pane.YAxis.Title.Text = string.Empty;
pane.Y2Axis.IsVisible = false;
pane.Y2Axis.MajorGrid.IsVisible = false;
pane.Y2Axis.MinorGrid.IsVisible = false;
pane.Y2Axis.MajorTic.IsInside = false;
pane.Y2Axis.MajorTic.IsOutside = false;
pane.Y2Axis.MinorTic.IsInside = false;
pane.Y2Axis.MinorTic.IsOutside = false;
int idx = 0;
string[] labels = new string[ barChartData.Count ];
PointPairList nPoints = new PointPairList();
PointPairList pPoints = new PointPairList();
foreach( KeyValuePair<int, double> yearValue in barChartData )
{
int yr = yearValue.Key % 100;
labels[ idx ] = "'" + yr.ToString( "00" );
double value = yearValue.Value * 100;
if( yearValue.Value >= 0 )
{
nPoints.Add( yearValue.Key, 0.0 );
pPoints.Add( yearValue.Key, value );
}
else
{
nPoints.Add( yearValue.Key, value );
pPoints.Add( yearValue.Key, 0.0 );
}
idx++;
}
pane.XAxis.Scale.TextLabels = labels;
pane.XAxis.Type = AxisType.Text;
//negative values
BarItem nBar = pane.AddBar( string.Empty, nPoints, Color.Empty );
nBar.Bar.Fill = new Fill( Color.FromArgb( 227, 99, 52 ), Color.FromArgb( 255, 177, 126 ), Color.FromArgb( 227, 99, 52 ) );
//positive values
BarItem pBar = pane.AddBar( string.Empty, pPoints, Color.Empty );
pBar.Bar.Fill = new Fill( Color.FromArgb( 81, 148, 157 ), Color.FromArgb( 107, 197, 222 ), Color.FromArgb( 81, 148, 157 ) );
//1 - Update the chart with the series
chart.AxisChange();
//2 - Process the value labels for each point
this.WriteValueLabels( pane, nBar, fontFamily, fontSize, true );
this.WriteValueLabels( pane, pBar, fontFamily, fontSize, false );
//3 - Update the chart again
chart.AxisChange();
using( Image img = chart.GetImage() )
{
EncoderParameters parms = new EncoderParameters( 1 );
EncoderParameter parm = new EncoderParameter( System.Drawing.Imaging.Encoder.Quality, 80L );
parms.Param[ 0 ] = parm;
ImageCodecInfo jgpEncoder = GetEncoder( ImageFormat.Jpeg );
img.Save( completeFileName, jgpEncoder, parms );
}
try
{
chart.Dispose();
chart = null;
}
catch { }
return true;
}
catch { }
return false;
}