public override void DrawChart(Series nseries, MetaFile ametafile, int posx, int posy, object achart)
{
System.Windows.Forms.DataVisualization.Charting.Chart nchart = new System.Windows.Forms.DataVisualization.Charting.Chart();
float afontsize = Convert.ToSingle(Math.Round(nseries.FontSize * nseries.Resolution / 100));
//achart.BackColor:=clTeeColor;
nchart.BackColor = Color.White;
/*achart.LeftAxis.LabelsFont.Name:=nchart.WFontName;
* achart.BottomAxis.LabelsFont.Name:=nchart.WFontName;
* achart.Legend.Font.Name:=nchart.WFontName;
* achart.LeftAxis.LabelsFont.Style:=CLXIntegerToFontStyle(nchart.FontStyle);
* achart.BottomAxis.LabelsFont.Style:=CLXIntegerToFontStyle(nchart.FontStyle);
* achart.Legend.Font.Size:=aFontSize;
* achart.Legend.Font.Style:=CLXIntegerToFontStyle(nchart.FontStyle);*/
/*achart.Legend.Visible:=nchart.ShowLegend;*/
// autorange and other ranges
/*achart.LeftAxis.Maximum:=Series.HighValue;
* achart.LeftAxis.Minimum:=Series.LowValue;
* achart.LeftAxis.Automatic:=false;
* achart.LeftAxis.AutomaticMaximum:=Series.AutoRangeH;
* achart.LeftAxis.AutomaticMinimum:=Series.AutoRangeL;
* achart.LeftAxis.LabelsAngle:=nchart.VertFontRotation mod 360;
* achart.LeftAxis.LabelsFont.Size:=Round(nchart.VertFontSize*nchart.Resolution/100);
* achart.BottomAxis.LabelsAngle:=nchart.HorzFontRotation mod 360;
* achart.BottomAxis.LabelsFont.Size:=Round(nchart.HorzFontSize*nchart.Resolution/100);*/
nchart.ChartAreas.Add("");
if (nseries.Effect3D)
{
nchart.ChartAreas[0].Area3DStyle.Enable3D = nseries.Effect3D;;
nchart.ChartAreas[0].Area3DStyle.IsClustered = true;
}
//nchart.ChartAreas[0].AxisX.LineDashStyle = System.Windows.Forms.DataVisualization.Charting.ChartDashStyle.Dot;
//nchart.ChartAreas[0].AxisY.LineDashStyle = System.Windows.Forms.DataVisualization.Charting.ChartDashStyle.Dot;
//nchart.ChartAreas[0].AxisY.MinorGrid.LineDashStyle = System.Windows.Forms.DataVisualization.Charting.ChartDashStyle.Dot;
//nchart.ChartAreas[0].AxisX.MinorGrid.LineDashStyle = System.Windows.Forms.DataVisualization.Charting.ChartDashStyle.Dot;
nchart.ChartAreas[0].AxisY.MajorGrid.LineDashStyle = System.Windows.Forms.DataVisualization.Charting.ChartDashStyle.Dot;
nchart.ChartAreas[0].AxisX.MajorGrid.LineDashStyle = System.Windows.Forms.DataVisualization.Charting.ChartDashStyle.Dot;
if (nseries.Logaritmic)
{
nchart.ChartAreas[0].AxisY.IsLogarithmic = true;
nchart.ChartAreas[0].AxisY.LogarithmBase = nseries.LogBase;
}
nchart.ChartAreas[0].AxisY.IsReversed = nseries.Inverted;
//nchart.ChartAreas[0].AxisX.IntervalAutoMode = System.Windows.Forms.DataVisualization.Charting.IntervalAutoMode.VariableCount;
nchart.ChartAreas[0].AxisX.IntervalAutoMode = System.Windows.Forms.DataVisualization.Charting.IntervalAutoMode.FixedCount;
nchart.ChartAreas[0].AxisX.LabelStyle.Interval = 1;
if (!nseries.AutoRangeH)
{
//nchart.ChartAreas[0].AxisX.IntervalAutoMode = System.Windows.Forms.DataVisualization.Charting.IntervalAutoMode.
nchart.ChartAreas[0].AxisY.Maximum = nseries.HighValue;
}
if (nseries.VertFontRotation != 0)
{
nchart.ChartAreas[0].AxisY.LabelStyle = new System.Windows.Forms.DataVisualization.Charting.LabelStyle();
nchart.ChartAreas[0].AxisY.LabelStyle.Angle = nseries.VertFontRotation;
}
if (nseries.HorzFontRotation != 0)
{
nchart.ChartAreas[0].AxisY.LabelStyle = new System.Windows.Forms.DataVisualization.Charting.LabelStyle();
nchart.ChartAreas[0].AxisY.LabelStyle.Angle = nseries.HorzFontRotation;
}
if (!nseries.AutoRangeL)
{
//nchart.ChartAreas[0].AxisX.IntervalAutoMode = System.Windows.Forms.DataVisualization.Charting.IntervalAutoMode.
nchart.ChartAreas[0].AxisY.Minimum = nseries.LowValue;
}
if (nseries.ShowLegend)
{
nchart.Legends.Add("");
}
// Create series
int acolor = 0;
int idxserie = 0;
foreach (SeriesItem sitem in nseries.SeriesItems)
{
System.Windows.Forms.DataVisualization.Charting.Series chartserie = nchart.Series.Add(sitem.Caption);
switch (sitem.ChartStyle)
{
case ChartType.Area:
chartserie.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Area;
break;
case ChartType.Gantt:
case ChartType.Arrow:
chartserie.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
break;
case ChartType.Bar:
switch (nseries.MultiBar)
{
case BarType.Stacked:
chartserie.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.StackedColumn;
break;
case BarType.Stacked100:
chartserie.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.StackedColumn100;
break;
default:
chartserie.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Column;
break;
}
break;
case ChartType.Bubble:
chartserie.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Bubble;
break;
case ChartType.Horzbar:
switch (nseries.MultiBar)
{
case BarType.Stacked:
chartserie.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.StackedBar;
break;
case BarType.Stacked100:
chartserie.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.StackedBar100;
break;
default:
chartserie.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Bar;
break;
}
break;
case ChartType.Line:
chartserie.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
break;
case ChartType.Pie:
chartserie.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Pie;
break;
case ChartType.Point:
chartserie.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Point;
break;
}
chartserie.Label = sitem.Caption;
if (nseries.ShowHint)
{
chartserie.MarkerStyle = System.Windows.Forms.DataVisualization.Charting.MarkerStyle.Square;
}
else
{
chartserie.MarkerStyle = System.Windows.Forms.DataVisualization.Charting.MarkerStyle.None;
}
if (sitem.ChartStyle == ChartType.Pie)
{
// Set these other two properties so that you can see the connecting lines
nchart.Series[0].BorderWidth = 1;
nchart.Series[0].BorderColor = System.Drawing.Color.FromArgb(26, 59, 105);
// Set the pie label as well as legend text to be displayed as percentage
// The P2 indicates a precision of 2 decimals
//nchart.Series[0].Label = "#VALX #PERCENT{P2} #VAL";
nchart.Series[0].Label = "#PERCENT{P2}";
nchart.Series[0]["PieLabelStyle"] = "Outside";
//nchart.Legends[0].CustomItems.Add(npoint.Color, sitem.ValueCaptions[j]);
//nchart.Series[0].LegendText = "#VALX (#PERCENT) #VAL";
nchart.Series[0].LegendText = "#VALX #VAL";
//this.Chart2.Series[0].LegendText = "#VALX (#PERCENT)"
//nchart.Legends[0].= sitem.ValueCaptions[j];
//n.Legends.Add("Legend1");
nchart.Legends[0].Enabled = true;
nchart.Legends[0].Docking = System.Windows.Forms.DataVisualization.Charting.Docking.Bottom;
nchart.Legends[0].Alignment = System.Drawing.StringAlignment.Center;
}
if (sitem.Color > 0)
{
chartserie.Color = GraphicUtils.ColorFromInteger(sitem.Color);
}
else
{
chartserie.Color = GraphicUtils.ColorFromInteger(SeriesColors[acolor]);
}
double total = 0;
if (nseries.MarkStyle == 1)
{
for (int j = 0; j < sitem.Values.Count; j++)
{
object nobj = sitem.Values[j];
if (DoubleUtil.IsNumericType(nobj))
{
total = total + Convert.ToDouble(nobj);
}
}
}
for (int j = 0; j < sitem.Values.Count; j++)
{
string ncaption = sitem.ValueCaptions[j];
if (ncaption == null)
{
ncaption = "";
}
int idx = chartserie.Points.AddXY(ncaption, sitem.Values[j]);
System.Windows.Forms.DataVisualization.Charting.DataPoint npoint = chartserie.Points[idx];
if (sitem.ChartStyle != ChartType.Pie)
{
if (nseries.ShowHint)
{
switch (nseries.MarkStyle)
{
case 1:
npoint.Label = "";
if ((DoubleUtil.IsNumericType(sitem.Values[j])) && (total != 0))
{
npoint.Label = (Convert.ToDouble(sitem.Values[j]) / total * 100).ToString("N2") + "%";
}
break;
case 6:
npoint.Label = "";
if (DoubleUtil.IsNumericType(sitem.Values[j]))
{
double nuevo_valor = Convert.ToDouble(sitem.Values[j]);
npoint.Label = nuevo_valor.ToString("N1") + "%";
}
break;
default:
npoint.Label = sitem.Values[j].ToString();
break;
}
}
else
{
npoint.Label = "";
}
}
if (nseries.SeriesItems.Count < 2)
{
if (sitem.Colors[j] >= 0)
{
npoint.Color = GraphicUtils.ColorFromInteger(sitem.Colors[j]);
}
else
{
npoint.Color = GraphicUtils.ColorFromInteger(SeriesColors[acolor]);
}
if ((sitem.ChartStyle == ChartType.Pie) || nseries.ShowLegend)
{
if (sitem.ChartStyle == ChartType.Pie)
{
}
else
{
if (j != 0)
{
nchart.Legends[0].CustomItems.Add(npoint.Color, sitem.ValueCaptions[j]);
}
else
{
nchart.Legends.Add(sitem.ValueCaptions[j]);
}
}
acolor = ((acolor + 1) % (MAX_SERIECOLORS));
}
}
else
{
if (sitem.Colors[j] >= 0)
{
npoint.Color = GraphicUtils.ColorFromInteger(sitem.Colors[j]);
}
else
{
npoint.Color = GraphicUtils.ColorFromInteger(SeriesColors[acolor]);
}
}
}
acolor = ((acolor + 1) % (MAX_SERIECOLORS));
idxserie++;
}
Bitmap nbitmap = new Bitmap(Convert.ToInt32(Convert.ToSingle(Twips.TwipsToInch(nseries.PrintWidth)) * nseries.Resolution),
Convert.ToInt32(Convert.ToSingle(Twips.TwipsToInch(nseries.PrintHeight)) * nseries.Resolution), PixelFormat.Format24bppRgb);
Rectangle rec = new Rectangle(0, 0, nbitmap.Width, nbitmap.Height);
nchart.SetBounds(0, 0, nbitmap.Width, nbitmap.Height);
nchart.Update();
nchart.DrawToBitmap(nbitmap, rec);
System.IO.MemoryStream mstream = new MemoryStream();
nbitmap.Save(mstream, ImageFormat.Bmp);
MetaObjectImage metaobj = new MetaObjectImage();
metaobj.MetaType = MetaObjectType.Image;
metaobj.Top = posy; metaobj.Left = posx;
metaobj.Width = nseries.PrintWidth;
metaobj.Height = nseries.PrintHeight;
metaobj.CopyMode = 20;
metaobj.DrawImageStyle = ImageDrawStyleType.Stretch;
metaobj.DPIRes = Convert.ToInt32(nseries.Resolution);
metaobj.PreviewOnly = false;
metaobj.StreamPos = ametafile.Pages[ametafile.CurrentPage].AddStream(mstream, false);
metaobj.SharedImage = false;
metaobj.StreamSize = mstream.Length;
ametafile.Pages[ametafile.CurrentPage].Objects.Add(metaobj);
base.DrawChart(nseries, ametafile, posx, posy, achart);
}
/// <summary>
/// Draw RGB histogram of an image (each color as spline area)
/// </summary>
/// <param name="image">image</param>
/// <returns>image of the RGB histogram</returns>
public static Bitmap DrawRgbHistogramChart(Image image)
{
//based on https://code.msdn.microsoft.com/Professional-Image-b88e8871#content
int width = 256;
int height = 128;
var hist_img = new Bitmap(width, height);
var chart = new System.Windows.Forms.DataVisualization.Charting.Chart();
//chart.Dock = DockStyle.Fill;
chart.AntiAliasing = System.Windows.Forms.DataVisualization.Charting.AntiAliasingStyles.All;
chart.Size = new Size(width, height);
chart.BackColor = Color.LightGray;
chart.ChartAreas.Add("Default");
chart.Series.Add("Red");
chart.Series.Add("Green");
chart.Series.Add("Blue");
// Set SplineArea chart type
chart.Series["Red"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.SplineArea;
chart.Series["Green"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.SplineArea;
chart.Series["Blue"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.SplineArea;
// set line tension
chart.Series["Red"]["LineTension"] = "0.8";
chart.Series["Green"]["LineTension"] = "0.8";
chart.Series["Blue"]["LineTension"] = "0.8";
// Set colour and transparency
chart.Series["Red"].Color = Color.FromArgb(200, Color.DarkRed);
chart.Series["Green"].Color = Color.FromArgb(150, Color.DarkGreen);
chart.Series["Blue"].Color = Color.FromArgb(100, Color.DarkBlue);
// Disable X & Y axis labels
chart.ChartAreas["Default"].AxisX.LabelStyle.Enabled = false;
chart.ChartAreas["Default"].AxisY.LabelStyle.Enabled = false;
chart.ChartAreas["Default"].AxisX.MinorGrid.Enabled = false;
chart.ChartAreas["Default"].AxisX.MajorGrid.Enabled = false;
chart.ChartAreas["Default"].AxisY.MinorGrid.Enabled = false;
chart.ChartAreas["Default"].AxisY.MajorGrid.Enabled = false;
// load image to smaller size to speedup calculation
var image_bmp = (Bitmap)CommonUtils.ImageUtils.Resize(image, smaller_size, smaller_size, true);
var redHistogram = GetHistogram(image_bmp, 0);
var greenHistogram = GetHistogram(image_bmp, 1);
var blueHistogram = GetHistogram(image_bmp, 2);
// Draw histogram
chart.Series["Red"].Points.Clear();
chart.Series["Green"].Points.Clear();
chart.Series["Blue"].Points.Clear();
float fudge_factor = 0.6f; // added to R/G to make them visible when all line overlap
for (int i = 0; i < redHistogram.Length; i++)
{
chart.Series["Red"].Points.AddY(redHistogram[i] + fudge_factor);
chart.Series["Green"].Points.AddY(greenHistogram[i] + 2 * fudge_factor);
chart.Series["Blue"].Points.AddY(blueHistogram[i]);
}
chart.DrawToBitmap(hist_img, new Rectangle(0, 0, hist_img.Width - 1, hist_img.Height - 1));
return(hist_img);
}
