IntelliTuneX / OptiInk Scripting - arkitex - Agfa

ITX / OptiInk Scripting
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9.3. ImageMagick Watermarking
ImageMagick is a publicly available utility which may be used to support a wide range of image
processing operations including watermarking..
The example script IMWatermark.vbs is designed to be used as a MoveBy PostProcess script that can
use this to add watermarks to processed images.
It can also be used as a selected Postprocess script but in this case the watermark will be added to the
image file in the filestore. Care must then be taken in the order of operations in the postprocess if both
watermarked and non watermark versions are required.
9.3.1. Install
To install ImageMagick scripting
• Copy IMWatermark.vbs to the _scripts folder under the filestore
• To use as an moveby script rename it to MoveByScript.vbs.
• To use as a PostProcess then select a script operation in post processing and select the
IMWatermark script.
• Download the windows executable version of ImageMagick from the Internet and install
using the default settings. (http://www.imagemagick.org/script/index.php)
• If script logging is required then create a text file called WatermarkLog.txt in the _scripts
folder
9.3.2. Usage
The script will run and add watermarks during the post-process.
9.3.3. Watermark configuration
The method and content of the watermarking process may be configured by changing some script
constants at the start of the file.
• WATERMARK_TEXT - This provides the content of any text based watermark. It can
contain some variables described below which will be substituted dynamically as each
watermark is produced.
• WATERMARK_IMAGE - This selects the file to be used for image based watermarking.
The filenamed is expected to be in the same folder as the script.
• WATERMARK_FONT is a string which controls the text formatting in text based
watermarking commands. It actually substitutes the %%f variable in the watermarking control
strings. It can select font name, point size and other controls like bold/italic. By default it is
selects a 24 point version of the standard font.
• WATERMARK_POSITION is a string which controls the positioning of the watermark on
the image. It actually substitutes the %%g variable in the watermarking control strings. It can
select the general area using the –gravity control (North, South, East, West, NorthWest,
NorthEast, SouthWest, SouthEast, Center). Offsets and absolute positions can also be used.
• IM_WATERMARK is the string used to control the ImageMagick watermarking operation.
A huge range of different watermark types can be generated by setting this string. The default
script contains a number of different examples and one of these can be activated by
uncommenting it (removing the ‘) and ensuring that all other equivalent lines are commented.
The examples are described below.
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Agfa 25-Jan-11 Issue 001 Released Page 18 R.J.Tidey