Article PS040406135 HOWTO: Convert multi-image TIFF to multi-page PDF Problem Description Starting with version 1.1, AspPDF supports images in Tagged Image File Format (TIFF), including multi-image TIFF files. This article shows how to convert a multi-image TIFF to multi-page PDF. Solution The OpenImage and OpenImageBinary methods of the PdfDocument object accept an optional Index parameter which specifies the 1-based index of an image inside the TIFF document being opened (the parameter is ignored for all other types of images). If the Index value is out of range, the OpenImage methods return Nothing. The following code snippet opens an arbitrary image file (not necessarily a TIFF) and converts it to PDF. If the file being opened happens to be a multi-image TIFF, this code snippet will convert it into a multi-page PDF. Set Doc = Pdf.CreateDocument Set Image = Doc.OpenImage(Path) Set param = Pdf.CreateParam("index=1") While Not (Image Is Nothing)    Width = Image.Width * 72 / Image.ResolutionX    Height = Image.Height * 72 / Image.ResolutionY    Set Page = Doc.Pages.Add(Width, Height)    Page.Canvas.DrawImage Image, "x=0; y=0"    param("Index") = param("Index") + 1 ' reference next image    If Image.Format <> "TIF" Then       Set Image = Nothing ' Stop    Else       Set Image = Doc.OpenImage(Path, param)    End If Wend Created: 4/6/2004 12:17:01 PM Last Modified: 4/6/2004 12:22:39 PM Copyright © Persits Software, Inc. 1998 - 2023 For technical support, write to support@persits.com.