public static void GradientTransparencies()
{
int num_cols = 1;
int num_rows = 10;
var color1 = new VisioAutomation.Colors.ColorRGB(0xff000);
var color2 = new VisioAutomation.Colors.ColorRGB(0x000ff);
var page_size = new VA.Drawing.Size(num_rows / 2.0, num_rows);
var upperleft = new VA.Drawing.Point(0, page_size.Height);
var page = SampleEnvironment.Application.ActiveDocument.Pages.Add();
var app = page.Application;
var docs = app.Documents;
var stencil = docs.OpenStencil("basic_U.vss");
var master = stencil.Masters["Rectangle"];
SampleEnvironment.SetPageSize(page, page_size);
var layout = new GRIDMODEL.GridLayout(num_cols, num_rows, new VA.Drawing.Size(6.0, 1.0), master);
layout.RowDirection = GRIDMODEL.RowDirection.TopToBottom;
layout.Origin = upperleft;
layout.CellSpacing = new VA.Drawing.Size(0.1, 0.1);
layout.PerformLayout();
double[] trans = EffectsSamples.RangeSteps(0.0, 1.0, num_rows).ToArray();
int i = 0;
foreach (var node in layout.Nodes)
{
double transparency = trans[i];
var fmt = new ShapeCells();
node.Cells = fmt;
fmt.FillPattern = 25; // Linear pattern left to right
fmt.FillForegnd = color1.ToFormula();
fmt.FillBkgnd = color2.ToFormula();
fmt.FillForegndTrans = 0;
fmt.FillBkgndTrans = transparency;
fmt.LinePattern = 0;
node.Text = string.Format("bg trans = {0}%", transparency);
i++;
}
layout.Render(page);
page.ResizeToFitContents();
}
public static void DrawAllGradients()
{
var app = SampleEnvironment.Application;
var docs = app.Documents;
var stencil = docs.OpenStencil("basic_u.vss");
var master = stencil.Masters["Rectangle"];
var page = SampleEnvironment.Application.ActiveDocument.Pages.Add();
int num_cols = 7;
int num_rows = 7;
var page_size = new VA.Drawing.Size(5, 5);
SampleEnvironment.SetPageSize(page, page_size);
var lowerleft = new VA.Drawing.Point(0, 0);
var actual_page_size = SampleEnvironment.GetPageSize(page);
var page_rect = new VA.Drawing.Rectangle(lowerleft, actual_page_size);
var layout = new GRIDMODEL.GridLayout(num_cols, num_rows, new VA.Drawing.Size(1, 1), master);
layout.RowDirection = GRIDMODEL.RowDirection.TopToBottom;
layout.Origin = page_rect.UpperLeft;
layout.CellSpacing = new VA.Drawing.Size(0, 0);
layout.PerformLayout();
int max_grad_id = 40;
int n = 0;
foreach (var node in layout.Nodes)
{
int grad_id = n % max_grad_id;
node.Text = grad_id.ToString();
n++;
}
layout.Render(page);
var color1 = new VA.Colors.ColorRGB(0xffdddd);
var color2 = new VA.Colors.ColorRGB(0x00ffff);
var format = new VA.Shapes.ShapeFormatCells();
var writer = new FormulaWriterSIDSRC();
string color1_formula = color1.ToFormula();
string color2_formula = color2.ToFormula();
n = 0;
foreach (var node in layout.Nodes)
{
short shapeid = node.ShapeID;
int grad_id = n % max_grad_id;
format.FillPattern = grad_id;
format.FillForegnd = color1_formula;
format.FillBkgnd = color2_formula;
format.LinePattern = 0;
format.LineWeight = 0;
format.SetFormulas(shapeid, writer);
n++;
}
writer.Commit(page);
var bordersize = new VA.Drawing.Size(1, 1);
page.ResizeToFitContents(bordersize);
}