- Dynamic XFA
- pdfkit5 and Xamarin
- Use multiple licenses
- Replace field with image
- Import FDF into PDF
- Embed TrueType font in PDF
- Determine if a PDF only contains images
- Download and convert image to PDF
- Use TrueType font collections
- Determine the content bounding box
- Highlight fields in PDF
- Add hyperlink to PDF
- Add Stamp to PDF
- How do I extract page destinations from bookmarks?
- Convert SVG to PDF
- Extract glyph boxes from PDF
- Fill in a template PDF document
- Extract graphics from PDF
- Flatten Markup Annotation
- Fill and save dynamic XFA form
- Clip PDF page content in C#
- How to scale content of PDF
- Use pdfkit5 with a Xamarin.Forms app
- Create tagged PDF
- Add single-line text to PDF
- Change the formatting of a numeric field
- Add bookmarks to PDF
- Convert PDF to plain text
- TIFF to PDF C#
- Add a note to PDF
- Add a link with an internal destination to PDF
- Create formfields in PDF documents
- Extract embedded files from PDF
- Remove graphics from PDF
- Fit image to PDF page
- Split PDF pages in C# and VB.NET
- Add tags to existing PDF
- pdfkit5 - detailed changes to the API - Tall Components
- Add a link to PDF with an external destination
- Translate PDF page content
- How to sign and verify updates to a PDF document
- Create a new digitally signed PDF document
- EMF to PDF as vector image
- Layout text with MultilineTextShape
- Add multiline text to a PDF document
- .NET Core console app on MacOS
- How to add autosized text to PDF
- How to generate and export certificates
- Write Document to HttpResponse
- Create rectangles with rounded corners
- Add barcodes to PDF
- Append two or more existing PDF files
- pdfkit5 and .NET Core
- Create a text annotation in PDF with rich text
- Rotate a PDF page
- Add text field to PDF
- Change the color inside a PDF
- How to embed files in a PDF document
- Merge XDP data with dynamic XFA form
- How to mirror PDF pages and other shapes
- Add a Diagonal Watermark to PDF in C# - TallComponents - PDF Library
- Read PDF tags
- How to reduce PDF file size
- Tagged PDF
- Read and write meta data from PDF
- Add footer to PDF
- Create a custom signature handler to sign and verify PDF documents
- Export FDF from PDF form
- Create text with decorations
- Fill XFA form and export XDP data
- Vector graphics in PDF
- Resize PDF pages
- Change page orientation PDF
- Reduce PDF size
- Crop content on a PDF page
- Extract glyphs and sort by reading order
- PDF Viewer Preferences
- Extract images from PDF
- Disable submit button after submitting
- How to downscale all images in a PDF
- Remove PDF security settings
- Merge PDF files in C# .NET
- Flatten PDF form
- Licensing and .NET Standard
- How to downscale all images in a PDF
- Fill PDF form
- pdfkit5 .NET Standard API
- Add a rubber stamp annotation with a custom icon
- Add Long Term Validation (LTV) data to an existing signature
- How to create a tiling for shapes in PDF
- Search text in PDF
- Digitally sign a PDF form in C# or VB.NET
- Add simple html text to PDF
Vector graphics in PDF
This code sample shows how to draw different vector graphics such as line, ellipses and bezier curves. It also demonstrates fills and line styles.
Document document = new Document();
Page page = new Page( 600, 600 );
document.Pages.Add( page );
// create a Drawing and make it occupy all space within the margins of the page
ShapeCollection shapes = new ShapeCollection( 100, 100, 400, 400 );
page.Overlay.Add( shapes );
// coordinate (0, 0) lies at the bottom left of the shapes.
// draw a grid of 25 x 25 points
Pen gridPen = new Pen( System.Drawing.Color.LightGray, 1 );
for( double x = 0; x < shapes.Width; x += 25 )
{
for( double y = 0; y < shapes.Height; y += 25 )
{
// Draw the lines
shapes.Add( new LineShape( 0, y, shapes.Width, y, gridPen ) );
shapes.Add( new LineShape( x, 0, x, shapes.Height, gridPen ) );
// Add axis numbering
shapes.Add( new TextShape( 0, y, y.ToString(), Font.Helvetica, 8 ) );
shapes.Add( new TextShape( x, 0, x.ToString(), Font.Helvetica, 8 ) );
}
}
// add a line
shapes.Add( new LineShape( 25, 25, 75, 50 ) );
// add an ellipse
shapes.Add( new EllipseShape( 150, 50, 50, 25 ) );
// add a rectangle
shapes.Add( new RectangleShape( 250, 25, 75, 50, new Pen( System.Drawing.Color.Black ), new SolidBrush( System.Drawing.Color.Yellow ) ) );
// add a few beziershapes
AddBezier( shapes, 25, 125, 25, 150, 50, 175, 75, 175 );
AddBezier( shapes, 100, 125, 100, 175, 125, 175, 150, 175 );
AddBezier( shapes, 175, 150, 175, 200, 225, 100, 225, 150 );
AddBezier( shapes, 250, 150, 300, 200, 250, 100, 300, 150 );
// draw one bezier without the helper lines
shapes.Add( new BezierShape( 325, 150, 375, 200, 325, 100, 375, 150 ) );
// add a few arcshapes
shapes.Add( new ArcShape( 50, 225, 25, 25 ) );
shapes.Add( new ArcShape( 125, 225, 25, 25, 0, 45 ) );
shapes.Add( new ArcShape( 200, 225, 25, 25, 0, 90 ) );
shapes.Add( new ArcShape( 275, 225, 25, 25, 90, 180 ) );
// add a few pieshapes
shapes.Add( new PieShape( 50, 300, 25, 25 ) );
shapes.Add( new PieShape( 125, 300, 25, 25, 0, 45 ) );
shapes.Add( new PieShape( 200, 300, 25, 25, 0, 45 ) );
shapes.Add( new PieShape( 275, 300, 25, 25, 90, 270 ) );
// add a multiline textshape
MultilineTextShape multiLineText = new MultilineTextShape();
multiLineText.Fragments.Add( new Fragment(
"This example shows how to use the shapes primitives of PDFKit.NET. " +
"Shapes that are used in this sample are LineShape, EllipseShape, RectangleShape, " +
"BezierShape, ArcShape, PieShape, TextShape and MultilineTextShape.") );
multiLineText.HorizontalAlignment = HorizontalAlignment.Center;
multiLineText.Dock = DockStyle.Top;
multiLineText.Margin.Left = multiLineText.Margin.Right = 50;
shapes.Add( multiLineText );
using( FileStream file = new FileStream( @"..\..\vectorgraphics.pdf", FileMode.Create, FileAccess.Write ) )
{
document.Write( file);
}
Dim document As New Document()
Dim page As New Page(600, 600)
document.Pages.Add(page)
' create a Drawing and make it occupy all space within the margins of the page
Dim shapes As New ShapeCollection(100, 100, 400, 400)
page.Overlay.Add(shapes)
' coordinate (0, 0) lies at the bottom left of the shapes.
' draw a grid of 25 x 25 points
Dim gridPen As New Pen(System.Drawing.Color.LightGray, 1)
For x As Double = 0 To shapes.Width - 1 Step 25
For y As Double = 0 To shapes.Height - 1 Step 25
' Draw the lines
shapes.Add(New LineShape(0, y, shapes.Width, y, gridPen))
shapes.Add(New LineShape(x, 0, x, shapes.Height, gridPen))
' Add axis numbering
shapes.Add(New TextShape(0, y, y.ToString(), Font.Helvetica, 8))
shapes.Add(New TextShape(x, 0, x.ToString(), Font.Helvetica, 8))
Next
Next
' add a line
shapes.Add(New LineShape(25, 25, 75, 50))
' add an ellipse
shapes.Add(New EllipseShape(150, 50, 50, 25))
' add a rectangle
shapes.Add(New RectangleShape(250, 25, 75, 50, New Pen(System.Drawing.Color.Black), New SolidBrush(System.Drawing.Color.Yellow)))
' add a few beziershapes
AddBezier(shapes, 25, 125, 25, 150, 50, _
175, 75, 175)
AddBezier(shapes, 100, 125, 100, 175, 125, _
175, 150, 175)
AddBezier(shapes, 175, 150, 175, 200, 225, _
100, 225, 150)
AddBezier(shapes, 250, 150, 300, 200, 250, _
100, 300, 150)
' draw one bezier without the helper lines
shapes.Add(New BezierShape(325, 150, 375, 200, 325, 100, _
375, 150))
' add a few arcshapes
shapes.Add(New ArcShape(50, 225, 25, 25))
shapes.Add(New ArcShape(125, 225, 25, 25, 0, 45))
shapes.Add(New ArcShape(200, 225, 25, 25, 0, 90))
shapes.Add(New ArcShape(275, 225, 25, 25, 90, 180))
' add a few pieshapes
shapes.Add(New PieShape(50, 300, 25, 25))
shapes.Add(New PieShape(125, 300, 25, 25, 0, 45))
shapes.Add(New PieShape(200, 300, 25, 25, 0, 45))
shapes.Add(New PieShape(275, 300, 25, 25, 90, 270))
' add a multiline textshape
Dim multiLineText As New MultilineTextShape()
multiLineText.Fragments.Add(New Fragment("This example shows how to use the shapes primitives of PDFKit.NET. " & "Shapes that are used in this sample are LineShape, EllipseShape, RectangleShape, " & "BezierShape, ArcShape, PieShape, TextShape and MultilineTextShape."))
multiLineText.HorizontalAlignment = HorizontalAlignment.Center
multiLineText.Dock = DockStyle.Top
multiLineText.Margin.Left = 50
multiLineText.Margin.Right = 50
shapes.Add(multiLineText)
Using file As New FileStream("..\..\vectorgraphics.pdf", FileMode.Create, FileAccess.Write)
document.Write(New BinaryWriter(file))
End Using
Above, we make use of utility method for drawing bezier curves with additional helper lines.
private static void AddBezier( ShapeCollection shapes,
double x , double y,
double x1, double y1,
double x2, double y2,
double x3, double y3 )
{
// Create the new bezier
BezierShape bezier = new BezierShape( x, y, x1, y1, x2, y2, x3, y3 );
// Add helper lines.
AddBezierHelperShapes( shapes, bezier );
// Add the bezier to the shapes
shapes.Add( bezier );
}
private static void AddBezierHelperShapes( ShapeCollection shapes, BezierShape bezier )
{
// Helper line from start point to start control point
LineShape startLine = new LineShape( bezier.X0, bezier.Y0, bezier.X1, bezier.Y1 );
startLine.Pen = new Pen( System.Drawing.Color.Green, 1, new DashPattern( 1, new double[] { 3, 1 } ) );
shapes.Add( startLine );
// Helper line from end control point to end point
LineShape endLine = new LineShape( bezier.X2, bezier.Y2, bezier.X3, bezier.Y3 );
endLine.Pen = new Pen( System.Drawing.Color.Red, 1, new DashPattern( 1, new double[] { 3, 1 } ) );
shapes.Add( endLine );
}
Private Shared Sub AddBezier(ByVal shapes As ShapeCollection, ByVal x As Double, ByVal y As Double, ByVal x1 As Double, ByVal y1 As Double, ByVal x2 As Double, _
ByVal y2 As Double, ByVal x3 As Double, ByVal y3 As Double)
' Create the new bezier
Dim bezier As New BezierShape(x, y, x1, y1, x2, y2, _
x3, y3)
' Add helper lines.
AddBezierHelperShapes(shapes, bezier)
' Add the bezier to the shapes
shapes.Add(bezier)
End Sub
Private Shared Sub AddBezierHelperShapes(ByVal shapes As ShapeCollection, ByVal bezier As BezierShape)
' Helper line from start point to start control point
Dim startLine As New LineShape(bezier.X0, bezier.Y0, bezier.X1, bezier.Y1)
startLine.Pen = New Pen(System.Drawing.Color.Green, 1, New DashPattern(1, New Double() {3, 1}))
shapes.Add(startLine)
' Helper line from end control point to end point
Dim endLine As New LineShape(bezier.X2, bezier.Y2, bezier.X3, bezier.Y3)
endLine.Pen = New Pen(System.Drawing.Color.Red, 1, New DashPattern(1, New Double() {3, 1}))
shapes.Add(endLine)
End Sub