itextsharp add annotation to existing pdf c# : Chrome pdf from link application Library utility azure .net winforms visual studio 20140514%201120%20-%20WSI%20Zoom%20Viewer1-part1841

PathConsult Limitations 
It is written in Java which has bad reputation as of late 
Java Applets are not supported on Android, iOS nor any other 
mobile devices 
Java is often not bundled with PCs, hence users or IT are 
required to preload it on computers 
Due to tightening of security related to Java plugins there are: 
Constant security warnings that scare people 
Stringent signing policy that blocks execution of code 
Frequent Java updates that annoy users as well as block 
applications from executing if the latest Java is not installed 
Chrome pdf from link - insert, remove PDF links in C#.net, ASP.NET, MVC, Ajax, WinForms, WPF
Free C# example code is offered for users to edit PDF document hyperlink (url), like inserting and deleting
c# read pdf from url; clickable links in pdf from word
Chrome pdf from link - VB.NET PDF url edit library: insert, remove PDF links in vb.net, ASP.NET, MVC, Ajax, WinForms, WPF
Help to Insert a Hyperlink to Specified PDF Document Page
pdf link to attached file; pdf links
Solution: HTML5 based viewer 
HTML5 based viewer that uses latest W3C HTML standard 
with JavaScript and AJAX to view WSI 
All major browsers support HTML5 technology without any 
additional plugins or frameworks that need to be loaded ahead 
of time 
HTML5 is supported by web browsers on all major mobile 
devices including Android and iOS devices 
There is an existing open source HTML5 framework called 
OpenSeadragon that supports deep zooming of tiled images, 
just not in the medical domain 
C# Image: How to Integrate Web Document and Image Viewer
modern browsers, such as IE, Chrome, Firefox, and RasterEdge DocImage SDK for .NET link directly. RasterEdgeImagingDeveloperGuide8.0.pdf: from this user manual
pdf link to email; pdf link
VB.NET PDF: Create PDF Document Viewer in C#.NET for Document
supports multiple common browsers, such as IE, Chrome, Firefox, Safari information on them, just click the link and go VB.NET PDF Web Viewer, VB.NET PDF Windows
adding hyperlinks to pdf files; adding links to pdf
OpenSeadragon 
An open-source, web-based viewer for 
for 
zoomable images, implemented in 
pure JavaScript. 
Open Source, new BSD license 
Based on Microsoft Deep Zoom 
technology 
Pure JavaScript   
Wide browser support 
Can be extended to support custom 
tiled source 
OpenSlide team used it to open 
their own WSI files that were 
converted to Deep Zoom Image 
(DZI) format 
VB.NET PDF Convert to HTML SDK: Convert PDF to html files in vb.
Major browser supported, include chrome, firefox, ie, edge, safari, etc. Embed converted html files in html page or iframe. Export PDF form data to html form in
add links to pdf online; add hyperlink to pdf online
C# PDF Convert to HTML SDK: Convert PDF to html files in C#.net
Use JS (jquery) to control PDF page navigation. Cross browser supported, like chrome, firefox, ie, edge, safari. Embed zoom setting (fit page, fit width).
adding an email link to a pdf; clickable links in pdf files
WSI ZoomViewer 
C# HTML5 PDF Viewer SDK to view, annotate, create and convert PDF
various ASP.NET platforms. Support to view PDF document online in browser such as firefox, chrome, safari and so on. Support ASP.NET MVC
add hyperlink in pdf; add link to pdf
C# PDF Markup Drawing Library: add, delete, edit PDF markups in C#
A web based markup tool able to annotate PDF in browser such as chrome, firefox and safari in ASP.NET WebForm application. Support
clickable links in pdf; add hyperlink pdf
WSI ZoomViewer Implementation 
Uses OpenSeadragon Framework 
For each Vendor defines a custom 
tile source that connects directly 
to Vendor's 3
rd
party HTML WSI 
server 
Can be invoked from a simple 
HTML page that is easy to 
generate by ASP, ColdFusion, 
PHP, JSP or any other dynamic 
HTML technology 
Relies on HTTP proxy to get 
image meta data 
C# PDF Text Highlight Library: add, delete, update PDF text
An ASP.NET web-server compliant library able to highlight text in PDF file online in browser such as chrome, firefox, safari, etc.
add links in pdf; add hyperlinks to pdf
VB.NET Word: Create VB.NET Word Document Viewer in Web, Windows
in one of above mentioned VB.NET Word document viewers, please follow the link to see If needed, you can try VB.NET PDF document file viewer SDK, and VB.NET
add page number to pdf hyperlink; add hyperlink pdf file
WSI ZoomViewer Features 
What it supports now: 
Works on all major browsers 
Works on all mobile devices 
Dynamically modifies its layout 
based on device orientation 
Can connect directly to Aperio 
ScanScope and Hammamats  
NanoZoomer WSI server software 
Supports taking of snapshots and 
uploading them to a central server 
Comparable performance to other 
major viewers 
What does not work yet: 
Other vendor's WSI servers 
OpenSlide server 
Digital slide annotations 
Digital slide measuring tool 
C# TIFF: C#.NET Code to Create Online TIFF Document Viewer
modern browsers, including IE, Chrome, Firefox, Safari more web viewers on PDF and Word <link href="RasterEdge_Imaging_Files/RasterEdge.css" rel="stylesheet"type
add email link to pdf; add url to pdf
C# Word: How to Create Word Online Viewer in C# Application
including IE (Internet Explorer), Chrome, Firefox, Safari you can go to PDF Web Viewer <link href="RasterEdge_Imaging_Files/RasterEdge.css" rel="stylesheet"type
add links pdf document; adding links to pdf document
WSI ZoomViewer Challenges 
Same-Origin Policy - The policy permits scripts running on pages 
ages 
originating from the same site to access each other's Document 
Object Model (DOM) with no specific restrictions, but prevents 
access to DOM on different sites. [Wikipedia] 
Why it matters? 
Unable to fetching image meta-data from asynchronous JavaScript 
call, unless the image server is on the same website.  
JavaScript call toDataURL() which is essential API call for taking a 
snapshot of the viewing window is not allowed unless Same-Origin 
Policy is satisfied. 
Same-Origin Policy Workaround 
Use a custom HTTP proxy server deployed on the same 
domain as the viewer to redirect calls for requesting WSI meta 
data and return the response wrapped as JSONP object which 
is allowed under Same-Origin Policy 
Same effect can be achieved by utilizing 3
rd
party proxy site 
http://anyorigin.com/ 
If snapshot functionality is desired, then ALL HTTP requests to 
WSI meta data and tiles need to be redirected through HTTP 
proxy server 
More work ahead 
Support for other vendors including OpenSlide server 
Implement slide annotations  
Implement measuring tool 
Implement viewing of other related images such as image 
labels or macro images 
Conclusion 
WSI ZoomViewer is currently being integrated into UPMC 
Pathology Consultation Portal as well as UPMC KingMed sites 
as an alternative to a Java based viewer. 
It will allow medical professionals to user their phones and iPads to 
do remote consultation of cases. 
Once the Java version of the WSI viewer is retired, this will relieve 
UPMC IT from the support nightmares associated with Java 
based technologies. 
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