- 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
Create layers in PDF and draw on each layer
Create a new PDF document with different layers and draw on each layer. This code sample shows how to create a document and adds two new layers. We draw on each layer by creating a LayerShape for each layer and adding shapes.
C# Create layer in PDF
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);
// Create layers
Layer gridLayer = new Layer("Grid");
LayerShape gridLayerShape = new LayerShape(gridLayer);
document.Layers.Add(gridLayer);
Layer graphicsLayer = new Layer("Graphics");
LayerShape graphicsLayerShape = new LayerShape(graphicsLayer);
document.Layers.Add(graphicsLayer);
shapes.Add(gridLayerShape);
shapes.Add(graphicsLayerShape);
VB.NET Create layer in PDF
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)
' Create layers
Dim gridLayer As New Layer("Grid")
Dim gridLayerShape As New LayerShape(gridLayer)
document.Layers.Add(gridLayer)
Dim graphicsLayer As New Layer("Graphics")
Dim graphicsLayerShape As New LayerShape(graphicsLayer)
document.Layers.Add(graphicsLayer)
shapes.Add(gridLayerShape)
shapes.Add(graphicsLayerShape)
Lets draw something on the layers.
C# draw on each layer
// coordinate (0, 0) lies at the bottom left of the shapes.
// draw a grid of 25 x 25 points in the GridLayer
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
gridLayerShape.Add(new LineShape(0, y, shapes.Width, y, gridPen));
gridLayerShape.Add(new LineShape(x, 0, x, shapes.Height, gridPen));
// Add axis numbering
gridLayerShape.Add(new TextShape(0, y, y.ToString(), Font.Helvetica, 8));
gridLayerShape.Add(new TextShape(x, 0, x.ToString(), Font.Helvetica, 8));
}
}
//Add shapes to the graphics layer
// add a line
graphicsLayerShape.Add(new LineShape(25, 25, 75, 50));
// add an ellipse
graphicsLayerShape.Add(new EllipseShape(150, 50, 50, 25));
// add a rectangle
graphicsLayerShape.Add(new RectangleShape(250, 25, 75, 50, new Pen(System.Drawing.Color.Black), new SolidBrush(System.Drawing.Color.Yellow)));
// draw one bezier without the helper lines
graphicsLayerShape.Add(new BezierShape(325, 150, 375, 200, 325, 100, 375, 150));
// add a few arcshapes
graphicsLayerShape.Add(new ArcShape(50, 225, 25, 25));
graphicsLayerShape.Add(new ArcShape(125, 225, 25, 25, 0, 45));
graphicsLayerShape.Add(new ArcShape(200, 225, 25, 25, 0, 90));
graphicsLayerShape.Add(new ArcShape(275, 225, 25, 25, 90, 180));
// add a few pieshapes
graphicsLayerShape.Add(new PieShape(50, 300, 25, 25));
graphicsLayerShape.Add(new PieShape(125, 300, 25, 25, 0, 45));
graphicsLayerShape.Add(new PieShape(200, 300, 25, 25, 0, 45));
graphicsLayerShape.Add(new PieShape(275, 300, 25, 25, 90, 270));
// add a multiline textshape
MultilineTextShape multiLineText = new MultilineTextShape();
multiLineText.Fragments.Add(new Fragment(
"This example show how you can create multiple layers using PDF Kit"));
multiLineText.HorizontalAlignment = HorizontalAlignment.Center;
multiLineText.Dock = DockStyle.Top;
multiLineText.Margin.Left = multiLineText.Margin.Right = 50;
shapes.Add(multiLineText);
using (FileStream file = new FileStream(@"..\..\createlayers.pdf", FileMode.Create, FileAccess.Write))
{
document.Write(file);
}
VB.NET draw on each layer
' coordinate (0, 0) lies at the bottom left of the shapes.
' draw a grid of 25 x 25 points in the GridLayer
Dim gridPen As New TallComponents.PDF.Pens.Pen(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
gridLayerShape.Add(New LineShape(0, y, shapes.Width, y, gridPen))
gridLayerShape.Add(New LineShape(x, 0, x, shapes.Height, gridPen))
' Add axis numbering
gridLayerShape.Add(New TextShape(0, y, y.ToString(), Fonts.Font.Helvetica, 8))
gridLayerShape.Add(New TextShape(x, 0, x.ToString(), Fonts.Font.Helvetica, 8))
Next
Next
'Add shapes to the graphics layer
' add a line
graphicsLayerShape.Add(New LineShape(25, 25, 75, 50))
' add an ellipse
graphicsLayerShape.Add(New EllipseShape(150, 50, 50, 25))
' add a rectangle
graphicsLayerShape.Add(New RectangleShape(250, 25, 75, 50, New TallComponents.PDF.Pens.Pen(Color.Black), New TallComponents.PDF.Brushes.SolidBrush(Color.Yellow)))
' draw one bezier without the helper lines
graphicsLayerShape.Add(New BezierShape(325, 150, 375, 200, 325, 100,
375, 150))
' add a few arcshapes
graphicsLayerShape.Add(New ArcShape(50, 225, 25, 25))
graphicsLayerShape.Add(New ArcShape(125, 225, 25, 25, 0, 45))
graphicsLayerShape.Add(New ArcShape(200, 225, 25, 25, 0, 90))
graphicsLayerShape.Add(New ArcShape(275, 225, 25, 25, 90, 180))
' add a few pieshapes
graphicsLayerShape.Add(New PieShape(50, 300, 25, 25))
graphicsLayerShape.Add(New PieShape(125, 300, 25, 25, 0, 45))
graphicsLayerShape.Add(New PieShape(200, 300, 25, 25, 0, 45))
graphicsLayerShape.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 show how you can create multiple layers using PDF Kit"))
multiLineText.HorizontalAlignment = HorizontalAlignment.Center
multiLineText.Dock = DockStyle.Top
multiLineText.Margin.Left = multiLineText.Margin.Right = 50
shapes.Add(multiLineText)
Using file As New FileStream("..\..\createlayers.pdf", FileMode.Create, FileAccess.Write)
document.Write(file)
End Using
Here is the result:
Switch the grid layer off: