public void Page_Draw_PieSlices()
{
var app = this.GetVisioApplication();
var doc = this.GetNewDoc();
var page = app.ActivePage;
int n = 36;
double start_angle = 0.0;
double radius = 1.0;
double cx = 0.0;
double cy = 2.0;
double angle_step = Math.PI * 2.0 / (n - 1);
foreach (double end_angle in Enumerable.Range(0, n).Select(i => i * angle_step))
{
var center = new VA.Drawing.Point(cx, cy);
var ps = new VACHART.PieSlice(center, radius, start_angle, end_angle);
ps.Render(page);
cx += 2.5;
}
var bordersize = new VA.Drawing.Size(1, 1);
page.ResizeToFitContents(bordersize);
doc.Close(true);
}
public void Page_Draw_PieSlices()
{
var app = this.GetVisioApplication();
var doc = this.GetNewDoc();
var page = app.ActivePage;
int n = 36;
double start_angle = 0.0;
double radius = 1.0;
double cx = 0.0;
double cy = 2.0;
double angle_step = Math.PI * 2.0 / (n - 1);
foreach (double end_angle in Enumerable.Range(0, n).Select(i => i * angle_step))
{
var center = new VA.Drawing.Point(cx, cy);
var ps = new VACHART.PieSlice(center, radius, start_angle, end_angle);
ps.Render(page);
cx += 2.5;
}
var bordersize = new VA.Drawing.Size(1, 1);
page.ResizeToFitContents(bordersize);
doc.Close(true);
}
public static List <PieSlice> GetSlicesFromValues(Drawing.Point center, double inner_radius, double outer_radius, IList <double> values)
{
var slices = PieSlice.GetSlicesFromValues(center, outer_radius, values);
foreach (var slice in slices)
{
slice.InnerRadius = inner_radius;
}
return(slices);
}
public void Render(IVisio.Page page)
{
var values = this.DataPoints.Select(p => p.Value).ToList();
var shapes = new List <IVisio.Shape>(values.Count);
if (this.InnerRadius <= 0)
{
var slices = PieSlice.GetSlicesFromValues(this.Center, this.Radius, values);
foreach (var slice in slices)
{
var rendered_shape = slice.Render(page);
shapes.Add(rendered_shape);
}
}
else
{
var slices = PieSlice.GetSlicesFromValues(this.Center, this.InnerRadius, this.Radius, values);
foreach (var slice in slices)
{
var rendered_shape = slice.Render(page);
shapes.Add(rendered_shape);
}
}
for (int i = 0; i < this.DataPoints.Count; i++)
{
var dp = this.DataPoints[i];
var shape = shapes[i];
dp.VisioShape = shape;
if (dp.Label != null)
{
if (dp.LabelFormat != null)
{
string formatted_label = string.Format(dp.Label, dp.Label);
dp.VisioShape.Text = formatted_label;
}
else
{
dp.VisioShape.Text = dp.Label;
}
}
}
var allshapes = this.DataPoints.Select(dp => dp.VisioShape).Where(s => s != null).ToList();
ChartUtil.GroupShapesIfNeeded(page, allshapes);
}
public IVisio.Shape PieSlice(VA.Drawing.Point center,
double radius,
double start_angle,
double end_angle)
{
this.AssertApplicationAvailable();
this.AssertDocumentAvailable();
var application = this.Client.VisioApplication;
using (var undoscope = new VA.Application.UndoScope(this.Client.VisioApplication, "Draw Pie Slice"))
{
var active_page = application.ActivePage;
var slice = new VA.Models.Charting.PieSlice(center, radius, start_angle, end_angle);
var shape = slice.Render(active_page);
return(shape);
}
}
public static List <PieSlice> GetSlicesFromValues(Drawing.Point center, double radius, IList <double> values)
{
double sectors_sum = values.Sum();
var slices = new List <PieSlice>(values.Count);
double start_angle = 0;
foreach (int i in Enumerable.Range(0, values.Count))
{
double cur_val = values[i];
double cur_val_norm = cur_val / sectors_sum;
double cur_angle = cur_val_norm * System.Math.PI * 2.0;
double end_angle = start_angle + cur_angle;
var ps = new PieSlice(center, radius, start_angle, end_angle);
slices.Add(ps);
start_angle += cur_angle;
}
return(slices);
}
public IVisio.Shape PieSlice(VA.Drawing.Point center,
double radius,
double start_angle,
double end_angle)
{
this.AssertApplicationAvailable();
this.AssertDocumentAvailable();
var application = this.Client.VisioApplication;
using (var undoscope = new VA.Application.UndoScope(this.Client.VisioApplication, "Draw Pie Slice"))
{
var active_page = application.ActivePage;
var slice = new VA.Models.Charting.PieSlice(center, radius, start_angle, end_angle);
var shape = slice.Render(active_page);
return shape;
}
}
public static List<PieSlice> GetSlicesFromValues(Drawing.Point center, double radius, IList<double> values)
{
double sectors_sum = values.Sum();
var slices = new List<PieSlice>(values.Count);
double start_angle = 0;
foreach (int i in Enumerable.Range(0, values.Count))
{
double cur_val = values[i];
double cur_val_norm = cur_val / sectors_sum;
double cur_angle = cur_val_norm * System.Math.PI * 2.0;
double end_angle = start_angle + cur_angle;
var ps = new PieSlice(center,radius,start_angle, end_angle);
slices.Add(ps);
start_angle += cur_angle;
}
return slices;
}
