PascalSane

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About

PascalSane provides pascal bindings for the libsane library, enabling Lazarus and FreePascal applications to access scanners under Linux.

Principal operations  :

• list available scanners
• list options for a specified scanner
• set options for a scanner
• capture scanner input in PNM format

The download contains the libsane bindings and a unit saneutils.pas which provides some simple functions for manipulating scanner data. It also contains a demonstration Lazarus application, which contains examples of operations that can be performed using libsane.

Author

Malcolm Poole: mgpoole at users.sourceforge.net

License

The libsane headers are in the public domain. The demo application is licensed under the GPL

Download

The latest stable release can be found at https://code.google.com/archive/p/ocrivist/downloads.

Change Log

• Version 0.2 8 May 2011

- Added missing functions and bitwise enumerations

- corrected translation of constraint union in SANE_Option_Descriptor

- fixed a number of memory management issues in demo project

- added libsane test backend to demo project

• Version 0.1 19 November 2008

Dependencies / System Requirements

• Linux
• libsane (libsane-dev for Ubuntu)

Documentation

Documentation for the Sane API covers all the functions provided by the bindings. The C source code for scanimage and other simple scanning applications are recommended for guidance.

How to include PascalSane in a Lazarus application

• add 'sane' to the uses statement
• in the Project Options dialog, add the path to sane.pas in the Other Unit Files section.

The PascalSane Example Application

• Open pascalsanedemo.lpi
• set path to sane.pas in Project Options dialog
• compile
• run