// Helper method drawing a filled box with text:
private void DrawBox(string text, GcGraphics g, RectangleF box)
{
g.FillRectangle(box, Color.FromArgb(80, 0, 184, 204));
g.DrawRectangle(box, Color.FromArgb(0, 193, 213), 1);
box.Inflate(-6, -6);
g.DrawString(text, new TextFormat()
{
Font = StandardFonts.Times, FontSize = 14,
}, box);
}
// Helper method to draw a caption beneath a shape:
private void DrawCaption(GcGraphics g, PointF center, float r, string caption)
{
g.DrawString(caption,
new TextFormat()
{
Font = StandardFonts.Times, FontSize = 10,
},
new RectangleF(center.X - r, center.Y + r, r * 2, 24),
TextAlignment.Center, ParagraphAlignment.Center, false);
}
// Simple table drawing method. Returns the array of table cell rectangles.
private RectangleF[,] DrawTable(PointF loc, float[] widths, float[] heights, GcGraphics g, Pen p)
{
if (widths.Length == 0 || heights.Length == 0)
{
throw new Exception("Table must have some columns and rows.");
}
RectangleF[,] cells = new RectangleF[widths.Length, heights.Length];
var r = new RectangleF(loc, new SizeF(widths.Sum(), heights.Sum()));
// Draw left borders (except for 1st one):
float x = loc.X;
for (int i = 0; i < widths.Length; ++i)
{
for (int j = 0; j < heights.Length; ++j)
{
cells[i, j].X = x;
cells[i, j].Width = widths[i];
}
if (i > 0)
{
g.DrawLine(x, r.Top, x, r.Bottom, p);
}
x += widths[i];
}
// Draw top borders (except for 1st one):
float y = loc.Y;
for (int j = 0; j < heights.Length; ++j)
{
for (int i = 0; i < widths.Length; ++i)
{
cells[i, j].Y = y;
cells[i, j].Height = heights[j];
}
if (j > 0)
{
g.DrawLine(r.Left, y, r.Right, y, p);
}
y += heights[j];
}
// Draw outer border:
g.DrawRectangle(r, p);
// Done:
return(cells);
}
// Utility method which pre-pends numbers to all paragraphs in a TextLayout.
private void AddBullets(GcGraphics g, PointF pt, TextLayout tl, ref int itemNo)
{
var tlBullet = g.CreateTextLayout();
tlBullet.DefaultFormat.Font = StandardFonts.Times;
tlBullet.DefaultFormat.FontSize = 12;
foreach (var line in tl.Lines)
{
if (line.FirstLineInParagraph)
{
tlBullet.Clear();
tlBullet.Append($"{itemNo++})");
tlBullet.PerformLayout(true);
g.DrawTextLayout(tlBullet, new PointF(pt.X, pt.Y + line.Position + line.LineGap));
}
}
}
// This method shows how to create a graphics path that may be used
// to fill or draw arbitrary shapes on a GcGraphics.
private IPath MakeRoundRect(GcGraphics g, RectangleF rc, float rx, float ry)
{
var path = g.CreatePath();
var sz = new SizeF(rx, ry);
// Start from horizontal top left:
path.BeginFigure(new PointF(rc.Left + rx, rc.Top));
path.AddLine(new PointF(rc.Right - rx, rc.Top));
path.AddArc(new ArcSegment() { Point = new PointF(rc.Right, rc.Top + ry), SweepDirection = SweepDirection.Clockwise, Size = sz });
path.AddLine(new PointF(rc.Right, rc.Bottom - ry));
path.AddArc(new ArcSegment() { Point = new PointF(rc.Right - rx, rc.Bottom), SweepDirection = SweepDirection.Clockwise, Size = sz });
path.AddLine(new PointF(rc.Left + rx, rc.Bottom));
path.AddArc(new ArcSegment() { Point = new PointF(rc.Left, rc.Bottom - ry), SweepDirection = SweepDirection.Clockwise, Size = sz });
path.AddLine(new PointF(rc.Left, rc.Top + ry));
path.AddArc(new ArcSegment() { Point = new PointF(rc.Left + rx, rc.Top), SweepDirection = SweepDirection.Clockwise, Size = sz });
path.EndFigure(FigureEnd.Closed);
return path;
}
// Helper method to draw a polygon and a caption beneath it.
// Can also be used to just calculate the points without actual drawing.
// startAngle is for the first point, clockwise from (1,0).
private PointF[] DrawPolygon(GcGraphics g, PointF center, float r, int n, float startAngle, Pen pen, string caption = null)
{
PointF[] pts = new PointF[n];
for (int i = 0; i < n; ++i)
{
pts[i] = new PointF(center.X + (float)(r * Math.Cos(startAngle + 2 * Math.PI * i / n)), center.Y + (float)(r * Math.Sin(startAngle + 2 * Math.PI * i / n)));
}
if (pen != null)
{
g.DrawPolygon(pts, pen);
}
if (!string.IsNullOrEmpty(caption))
{
DrawCaption(g, center, r, caption);
}
return(pts);
}
public void CreatePDF(Stream stream)
{
GcPdfDocument doc = new GcPdfDocument();
Page page = null;
GcGraphics g = null;
const float margin = 72 / 2;
const float pad = 4;
const float gap = 10;
var ip = new PointF(margin, margin);
Action newPage = () =>
{
page = doc.NewPage();
g = page.Graphics;
ip = new PointF(margin, margin);
};
newPage();
var tfCaption = new TextFormat()
{
Font = StandardFonts.Times,
FontSize = 12,
};
var tfBarcode = new TextFormat()
{
Font = StandardFonts.Helvetica,
FontSize = 9,
};
GcBarcode barcode = new GcBarcode()
{
TextFormat = tfBarcode,
ScaleFactor = 1.5f,
};
barcode.Options.CaptionPosition = BarCodeCaptionPosition.Below;
barcode.Options.SizeOptions.NarrowWideRatio = 0;
Action <CodeType, string, string> drawBarcode = (ct_, txt_, txt2_) =>
{
var caption = $"{ct_}:\r\n{txt_}";
if (string.IsNullOrEmpty(txt2_))
{
barcode.Options.GS1Composite.Type = GS1CompositeType.None;
}
else
{
caption += $"\r\nDependent CCA: {txt2_}";
barcode.Options.GS1Composite.Type = GS1CompositeType.CCA;
barcode.Options.GS1Composite.Value = txt2_;
}
barcode.Options.CheckSumEnabled = ct_ != CodeType.Code25intlv && ct_ != CodeType.Code_2_of_5 && ct_ != CodeType.Matrix_2_of_5;
var csize = g.MeasureString(caption, tfCaption);
barcode.CodeType = ct_;
barcode.Text = txt_;
var size = g.MeasureBarcode(barcode);
size.Height = Math.Max(size.Height, csize.Height);
var border = new RectangleF(ip, new SizeF(page.Size.Width - margin * 2, size.Height + pad * 2));
if (ip.Y + border.Height > page.Size.Height - margin)
{
newPage();
border = new RectangleF(ip, border.Size);
}
g.DrawRectangle(border, Color.Gray);
g.DrawString(caption, tfCaption, new PointF(border.Left + pad, border.Top + pad));
g.DrawBarcode(barcode, new RectangleF(border.Right - size.Width - pad, border.Top + pad, size.Width, size.Height));
ip.Y = border.Bottom + gap;
};
//
drawBarcode(CodeType.Ansi39, "*GCBARCODE*", null);
drawBarcode(CodeType.Ansi39x, "*GcPdf*", null);
drawBarcode(CodeType.Codabar, "A12041961D", null);
drawBarcode(CodeType.Code25intlv, "1234567890", null); // Interleaved 2 of 5 (ITF)
drawBarcode(CodeType.Code39, "*GCBARCODE*", null);
drawBarcode(CodeType.Code39x, "*GcPdf*", null);
drawBarcode(CodeType.Code49, "GcBarcode+GcPdf", null);
drawBarcode(CodeType.Code93x, "GcBarcode+GcPdf", null);
drawBarcode(CodeType.Code_93, "GCBARCODE", null);
drawBarcode(CodeType.Code_128_A, "GCPDF-2017", null);
drawBarcode(CodeType.Code_128_B, "GcPdf-2017", null);
drawBarcode(CodeType.Code_128_C, "1234567890", null);
drawBarcode(CodeType.Code_128auto, "GcPdf-2017", null);
drawBarcode(CodeType.Code_2_of_5, "1234567890", null);
drawBarcode(CodeType.DataMatrix, "GcBarcode+GcPdf", null);
drawBarcode(CodeType.QRCode, "GcBarcode+GcPdf", null);
drawBarcode(CodeType.EAN_8, "1234567", null);
drawBarcode(CodeType.EAN_13, "469" + "87654" + "3210", null);
drawBarcode(CodeType.EAN128FNC1, "GcBarcode\nGcPdf", null);
drawBarcode(CodeType.IntelligentMail, "00300999999000000001", null);
drawBarcode(CodeType.JapanesePostal, "TOKYO-10CC-09-1978", null);
drawBarcode(CodeType.PostNet, "152063949", null);
drawBarcode(CodeType.RM4SCC, "SE17PB9Z", null);
drawBarcode(CodeType.Matrix_2_of_5, "1234567890", null);
drawBarcode(CodeType.MSI, "1234567890", null);
drawBarcode(CodeType.MicroPDF417, "GcPdf", null);
drawBarcode(CodeType.Pdf417, "GcPdf", null);
drawBarcode(CodeType.RSS14, "1234567890", null);
drawBarcode(CodeType.RSS14Stacked, "1234567890", null);
drawBarcode(CodeType.RSS14Stacked, "1234567890", "12345");
drawBarcode(CodeType.RSS14StackedOmnidirectional, "1234567890", null);
drawBarcode(CodeType.RSS14Truncated, "1234567890", null);
drawBarcode(CodeType.RSSExpanded, "12345678901234", null);
drawBarcode(CodeType.RSSExpandedStacked, "12345678901234", null);
drawBarcode(CodeType.RSSLimited, "1234567890", null);
drawBarcode(CodeType.RSSLimited, "1234567890", "12345");
drawBarcode(CodeType.UCCEAN128, "GcBarcode+GcPdf", null);
drawBarcode(CodeType.UPC_A, "123456789012", null);
drawBarcode(CodeType.UPC_E0, "123456789012", null);
drawBarcode(CodeType.UPC_E1, "123456789012", null);
//
doc.Save(stream);
}
