PdfImageExtractorTool Class
In This Topic
Visual tool that allows to select and extract images on PDF page.
Object Model
Syntax
'Declaration Public Class PdfImageExtractorTool Inherits PdfVisualTool Implements Vintasoft.Imaging.UIActions.ISupportUIActions
public class PdfImageExtractorTool : PdfVisualTool, Vintasoft.Imaging.UIActions.ISupportUIActions
public __gc class PdfImageExtractorTool : public PdfVisualTool, Vintasoft.Imaging.UIActions.ISupportUIActions
public ref class PdfImageExtractorTool : public PdfVisualTool, Vintasoft.Imaging.UIActions.ISupportUIActions
Example
This example shows how to highlight focused image in PDF document loaded into image viewer.
Public Partial Class FormWithPdfImageExtractorTool Inherits System.Windows.Forms.Form '... Private _imageViewer As Vintasoft.Imaging.UI.ImageViewer Private _imageExtractorTool As Vintasoft.Imaging.Pdf.UI.PdfImageExtractorTool '... Public Sub New() '... ' create an instance of the PdfImageExtractorTool _imageExtractorTool = New Vintasoft.Imaging.Pdf.UI.PdfImageExtractorTool() ' set a pen and brush for image selection _imageExtractorTool.SelectionBrush = New System.Drawing.SolidBrush(System.Drawing.Color.FromArgb(32, System.Drawing.Color.Blue)) _imageExtractorTool.SelectionPen = System.Drawing.Pens.Red ' subscribe to image extractor events AddHandler _imageExtractorTool.ImageMouseEnter, New System.EventHandler(Of Vintasoft.Imaging.Pdf.UI.PdfImageExtractorEventArgs)(AddressOf _pdfImageExtractorTool_ImageMouseEnter) AddHandler _imageExtractorTool.ImageMouseLeave, New System.EventHandler(Of Vintasoft.Imaging.Pdf.UI.PdfImageExtractorEventArgs)(AddressOf _pdfImageExtractorTool_ImageMouseLeave) ' set the image extractor tool as current tool _imageViewer.VisualTool = _imageExtractorTool End Sub ' Occurs when the mouse pointer enters the image on PDF page. Private Sub _pdfImageExtractorTool_ImageMouseEnter(sender As Object, e As Vintasoft.Imaging.Pdf.UI.PdfImageExtractorEventArgs) ' set the focused image as selected image _imageExtractorTool.SelectedImage = e.ContentImage End Sub ' Occurs when the mouse pointer leaves the the image on PDF page. Private Sub _pdfImageExtractorTool_ImageMouseLeave(sender As Object, e As Vintasoft.Imaging.Pdf.UI.PdfImageExtractorEventArgs) ' remove selected image from image extractor tool _imageExtractorTool.SelectedImage = Nothing End Sub End Class
public partial class FormWithPdfImageExtractorTool : System.Windows.Forms.Form { //... Vintasoft.Imaging.UI.ImageViewer _imageViewer; Vintasoft.Imaging.Pdf.UI.PdfImageExtractorTool _imageExtractorTool; //... public FormWithPdfImageExtractorTool() { //... // create an instance of the PdfImageExtractorTool _imageExtractorTool = new Vintasoft.Imaging.Pdf.UI.PdfImageExtractorTool(); // set a pen and brush for image selection _imageExtractorTool.SelectionBrush = new System.Drawing.SolidBrush( System.Drawing.Color.FromArgb(32, System.Drawing.Color.Blue)); _imageExtractorTool.SelectionPen = System.Drawing.Pens.Red; // subscribe to image extractor events _imageExtractorTool.ImageMouseEnter += new System.EventHandler<Vintasoft.Imaging.Pdf.UI.PdfImageExtractorEventArgs>(_pdfImageExtractorTool_ImageMouseEnter); _imageExtractorTool.ImageMouseLeave += new System.EventHandler<Vintasoft.Imaging.Pdf.UI.PdfImageExtractorEventArgs>(_pdfImageExtractorTool_ImageMouseLeave); // set the image extractor tool as current tool _imageViewer.VisualTool = _imageExtractorTool; } // Occurs when the mouse pointer enters the image on PDF page. void _pdfImageExtractorTool_ImageMouseEnter(object sender, Vintasoft.Imaging.Pdf.UI.PdfImageExtractorEventArgs e) { // set the focused image as selected image _imageExtractorTool.SelectedImage = e.ContentImage; } // Occurs when the mouse pointer leaves the the image on PDF page. void _pdfImageExtractorTool_ImageMouseLeave(object sender, Vintasoft.Imaging.Pdf.UI.PdfImageExtractorEventArgs e) { // remove selected image from image extractor tool _imageExtractorTool.SelectedImage = null; } }
Inheritance Hierarchy
System.Object
Vintasoft.Imaging.UI.VisualTools.VisualTool
Vintasoft.Imaging.Pdf.UI.PdfVisualTool
Vintasoft.Imaging.Pdf.UI.PdfImageExtractorTool
Requirements
Target Platforms: .NET 5; .NET Core 3.1; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5
See Also