/// <summary>
/// Creates a RenderArea representing a tree node in a grid.
/// The tree node includes the passed cell content, plus tree-related stuff
/// such as offset, expand/collapse glyphs etc.
/// </summary>
/// <param name="cellContent">The cell's content (text, image or both).</param>
/// <param name="gridRow">The grid row index.</param>
/// <returns>The RenderArea representing the tree node.</returns>
private RenderArea MakeTreeRO(RenderObject cellContent, int gridRow)
{
// TODO: add tree lines.
int indent = _grid.Tree.Indent;
RenderArea ra = new RenderArea();
ra.Stacking = StackingRulesEnum.BlockLeftToRight;
ra.Style.FlowAlignChildren = FlowAlignEnum.Center;
Node node = _grid.Rows[gridRow].Node;
bool collapsed = node != null ? node.Collapsed : false;
RenderEmpty re = new RenderEmpty(PixelsToUnit(indent * node.Level), Unit.Empty);
ra.Children.Add(re);
RenderImage plusminus = MakeGlyphRO(collapsed ? GlyphEnum.Collapsed : GlyphEnum.Expanded);
if (!_grid.Rows[gridRow].IsNode || _grid.Rows[gridRow].Node.Children == 0)
{
plusminus.Visibility = VisibilityEnum.Hidden; // just a spacer
}
plusminus.Style.Parent = _styleTreeGlyph;
ra.Children.Add(plusminus);
if (cellContent != null)
{
ra.Children.Add(cellContent);
}
return(ra);
}
/// <summary>
/// Creates a document where almost all RenderObject types provided by C1Preview
/// are used/demonstrated.
/// </summary>
/// <param name="doc">The document to add render objects to.</param>
private void MakeDoc1(C1PrintDocument doc)
{
// clear the document
doc.Clear();
// Set up basic page headers and footers:
doc.PageLayout.PageHeader = new RenderText("RenderObjects sample");
doc.PageLayout.PageHeader.Style.TextAlignHorz = AlignHorzEnum.Right;
doc.PageLayout.PageHeader.Style.Spacing.Bottom = "0.5cm";
doc.PageLayout.PageHeader.Style.Borders.Bottom = LineDef.Default;
doc.PageLayout.PageFooter = new RenderText("Page [PageNo] of [PageCount]");
doc.PageLayout.PageFooter.Style.TextAlignHorz = AlignHorzEnum.Right;
doc.PageLayout.PageFooter.Style.Spacing.Top = "0.5cm";
doc.PageLayout.PageFooter.Style.Borders.Top = LineDef.Default;
//-------------
// RenderArea
//-------------
// The general purpose container for other render objects
// We create an area for a few RenderText objects,
// and add it to another are which is a container for all elements in the document:
RenderArea ra1 = new RenderArea();
RenderArea ra2 = new RenderArea();
// set the back color for the area so its bounds are visible
ra2.Style.BackColor = Color.AntiqueWhite;
// keep the area to 60% of its parent's width
ra2.Width = "60%";
// Add the area which will hold the render texts, to
// the bigger area which will hold all else
ra1.Children.Add(ra2);
//-------------
// RenderText
//-------------
// Allows to output a block of text in a single style
// we also create an outline entry for each RenderText
// plain text using the default style
RenderText rt1 = new RenderText(strings.APOLOGIZE);
doc.Outlines.Add("APOLOGIZE", rt1);
// different font and color
RenderText rt2 = new RenderText(strings.APPEAL, new Font("Arial", 16), Color.BlueViolet);
doc.Outlines.Add("APPEAL", rt2);
// right-alignged text
RenderText rt3 = new RenderText(strings.BAROMETER, AlignHorzEnum.Right);
doc.Outlines.Add("BAROMETER", rt3);
// justified text in a different font
RenderText rt4 = new RenderText(strings.BOTANY, new Font("Times New Roman", 14), AlignHorzEnum.Justify);
doc.Outlines.Add("BOTANY", rt4);
// text with a different style
// styles can only exist on an object or as child styles of another style
Style s1 = doc.Style.Children.Add();
s1.BackColor = Color.Chartreuse;
s1.Padding.All = new Unit("3mm");
s1.LineSpacing = 120;
RenderText rt5 = new RenderText(strings.CALAMITY, s1);
doc.Outlines.Add("CALAMITY", rt5);
// add RenderText's to the nested area
ra2.Children.Add(rt1);
ra2.Children.Add(rt2);
ra2.Children.Add(rt3);
ra2.Children.Add(rt4);
ra2.Children.Add(rt5);
//---------------
// RenderGraphics
//---------------
// Allows to insert arbitrary GDI+ drawings in the document
// Note that RenderGraphics' size is by default automatically adjusted
// to the actual size of the drawing.
RenderGraphics rg1 = new RenderGraphics();
rg1.Graphics.DrawArc(Pens.Red,
new Rectangle(0, 0, 30, 40), 0, 135);
rg1.Graphics.DrawEllipse(Pens.Blue, new Rectangle(20, 20, 90, 45));
rg1.Style.Borders.All = new LineDef("1mm", Color.CornflowerBlue);
ra1.Children.Add(rg1);
// provide an outline entry for the RenderGraphics
doc.Outlines.Add("RenderGraphics", rg1);
//-------------
// RenderEmpty
//-------------
// Allows to insert breaks in arbitrary locations w/out affecting other render objects
RenderEmpty re1 = new RenderEmpty();
re1.BreakAfter = BreakEnum.Column;
ra1.Children.Add(re1);
//---------------
// RenderImage
//---------------
// Allows to insert images in the document. Again, by default the size
// is determined by the size of the image
RenderImage ri1 = new RenderImage(Image.FromStream(
GetType().Assembly.GetManifestResourceStream("RenderObjects.tn_img70.jpg")));
ra1.Children.Add(ri1);
doc.Outlines.Add("RenderImage", ri1);
//---------------
// RenderRichText
//---------------
// Allows to insert RTF in the document
TextReader tr = new StreamReader(
GetType().Assembly.GetManifestResourceStream("RenderObjects.Rich_Text_Format.rtf"));
RenderRichText rrt1 = new RenderRichText(tr.ReadToEnd());
tr.Close();
ra1.Children.Add(rrt1);
doc.Outlines.Add("RenderRichText", rrt1);
//--------------
// RenderPolygon
//--------------
// A bunch of classes derived from RenderShapeBase provide shapes -
// lines, polygons and rectangles. Here we draw a polygon:
RenderPolygon rpoly1 = new RenderPolygon();
rpoly1.Line.Points = new UnitPoint[] {
new UnitPoint("0.5cm", "0.5cm"),
new UnitPoint("2.0cm", "1cm"),
new UnitPoint("3.5cm", "0cm"),
new UnitPoint("6cm", "4cm"),
new UnitPoint("3cm", "5cm")
};
rpoly1.Line.Closed = true;
// set the fill color
rpoly1.Style.ShapeFillColor = Color.Gainsboro;
// pad on all sides, otherwise corners may end up outside of the
// RenderPolygon area and get clipped:
rpoly1.Style.Padding.All = "0.5cm";
rpoly1.Style.BackColor = Color.Cornsilk;
ra1.Children.Add(rpoly1);
doc.Outlines.Add("RenderPolygon", rpoly1);
//------------
// RenderTable
//------------
// Allows to draw tables. Tables are very powerful and can be used
// both for data presentation and as layout tools. Here we show
// some very basic tables functionality:
RenderTable rtbl1 = new RenderTable();
// tables are logically infinte, just touching a cell creates it:
for (int row = 0; row < 100; ++row)
{
for (int col = 0; col < 4; ++col)
{
rtbl1.Cells[row, col].Text = string.Format("Cell ({0}, {1})", row, col);
}
}
// column (see below, in headers) and row spans are supported,
// as alignment within cells, borders around cells and more:
rtbl1.Cells[8, 1].SpanRows = 6;
rtbl1.Cells[8, 1].Style.BackColor = Color.Gold;
rtbl1.Cells[8, 1].Style.TextAlignVert = AlignVertEnum.Center;
rtbl1.Cells[8, 1].Style.TextAlignHorz = AlignHorzEnum.Center;
rtbl1.Cells[8, 1].Style.Borders.All = LineDef.DefaultBold;
// table header is just a flag on some rows:
rtbl1.Rows.Insert(0, 1);
rtbl1.RowGroups[0, 1].PageHeader = true;
rtbl1.Cells[0, 0].SpanCols = rtbl1.Cols.Count;
rtbl1.Cells[0, 0].Text = "This is table header";
rtbl1.Cells[0, 0].Style.TextAlignHorz = AlignHorzEnum.Center;
rtbl1.Cells[0, 0].Style.BackColor = Color.LemonChiffon;
// ditto for the table footer:
// (again, just touching a row adds it):
int n = rtbl1.Rows.Count;
rtbl1.RowGroups[n, 1].PageFooter = true;
rtbl1.Cells[n, 0].SpanCols = rtbl1.Cols.Count;
rtbl1.Cells[n, 0].Text = "This is table footer";
rtbl1.Cells[n, 0].Style.TextAlignHorz = AlignHorzEnum.Center;
rtbl1.Cells[n, 0].Style.BackColor = Color.LemonChiffon;
// by default, tables have no grid lines. add some:
rtbl1.Style.GridLines.All = LineDef.Default;
// Using RenderEmpty, we can add outline nodes to start and end of table:
RenderEmpty rtbl1Beg = new RenderEmpty();
RenderEmpty rtbl1End = new RenderEmpty();
ra1.Children.Add(rtbl1Beg);
ra1.Children.Add(rtbl1);
ra1.Children.Add(rtbl1End);
doc.Outlines.Add("Table - first row", rtbl1Beg);
doc.Outlines.Add("Table - last row", rtbl1End);
//---------------
// RenderParagraph
//---------------
// Allows to render milti-line text, inline images, and hyperlinks within text
// Create paragraph
RenderParagraph rpar1 = new RenderParagraph();
Font f = new Font(rpar1.Style.Font, FontStyle.Bold);
rpar1.Content.AddText("This is a paragraph. This is normal text. ");
rpar1.Content.AddText("This text is bold. ", f);
rpar1.Content.AddText("This text is red. ", Color.Red);
rpar1.Content.AddText("This text is superscript. ",
TextPositionEnum.Superscript);
rpar1.Content.AddText("This text is bold and red. ", f, Color.Red);
rpar1.Content.AddText("This text is bold and red and subscript. ",
f, Color.Red, TextPositionEnum.Subscript);
rpar1.Content.AddText("This is normal text again. ");
rpar1.Content.AddHyperlink(
"This is a link to the start of the document.",
ra1);
rpar1.Content.AddText("Finally, here is an inline image: ");
rpar1.Content.AddImage(this.Icon.ToBitmap());
rpar1.Content.AddText(".");
// Add paragraph to the area
ra1.Children.Add(rpar1);
// and an outline entry to point to it:
doc.Outlines.Add("RenderParagraph", rpar1);
// we're done. Add the outer RenderArea to the document:
doc.Body.Children.Add(ra1);
}