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New GBM (Generalised Bitmap Module) releases

September 26, 2010 by

I have finished a new release of most GBM modules with several enhancements. The main improvements are:


- Multithreading and SSE support for the resampling scaler which makes full use of current Multicore CPUs

- Improved quality of the resampling scaler

- RAW Camera read support for all GBM modules and plugins

- GBM Mozilla plugin can now be installed as XPI package

- GBM Mozilla plugin keyboard handling improvements

- Several bugfixes and optimizations, libpng update

- A Windows version of the GBM Mozilla plugin is now available


Please note that the installation steps for the GBM Mozilla plugin have changed (see included documentation).


GBM plugin 1.41 for Lucide 1.20 and higher


This is a plugin for the Lucide document viewer available for eComStation that extends Lucide for the support of reading all bitmap formats supported by GBM.DLL.


Get the package or the WarpIN installation package (see below).


GBM plugin 1.41 for Netscape/Mozilla/Firefox/SeaMonkey


This is a plugin for the Webbrowsers Netscape, Mozilla, Firefox and SeaMonkey available for OS/2 and eComStation that extends them for the support of reading all bitmap formats supported by GBM.DLL.


Get the package or the WarpIN installation package (see below). There is also a Mozilla XPI installer package available separately (included in WarpIN package).


GBM.DLL 1.70 and GBM command line tools


The Generalised Bitmap Module (GBM) is a library capable of loading and saving bitmap files in a variety of popular and less popular bitmap file formats. Programs may be written to use this code, and thus be able to access a variety of file formats without actually knowing what format the pictures are in, or any details about file format itself. It comes with a useful set of command line bitmap manipulation tools.


Get package or the WarpIN installation package (see below).


Enhanced GBMV/GBMV2 Version 1.56


GBMV2 is a fast and simple bitmap viewer and editor for the OS/2 and eCS Presentation Manager. GBMV is a simple bitmap viewer.


Get package or the WarpIN installation package (see below).


GBM.DLL REXX adapter library (GBMRX 1.14)


GBMRX.DLL is a REXX adapter DLL for OS/2 and eComStation which REXX programs may use to load or save all bitmap file formats supported by the GBM.DLL (to/from a file). Almost full feature set of GBM.DLL is provided by the REXX API. I/O remapping is not supported due to language restrictions. Some image manipulations can be done like scale, reflect, rotate.


Get package It is also included in the WarpIN installation package (see below).


Notes for eComStation 1.2/1.2R users:


Please read the installation instructions. eCS 1.2/1.2R ships with an old GBM.DLL (1.12) which prevents loading of the new GBM.DLL (1.70). Please follow the instructions to use the new GBM.DLL for all programs

as well as for eCS WPS features like bitmap previews.


The homepage of GBM for OS/2 and eComStation


- comprehensive documentation (also included in the download archives)

- developer tutorials on how to use GBM libs in your own programs

- download of all sources and binaries


Download from Hobbes



WarpIN installation package

(GBM.DLL, GBM command line tools, GBMV2, GBMRX, GBMDLGRX, GBM plugins, J2K codec, Doc):


Full source code:


If the links don't show anything, the packages might not yet have reached its final location in the Hobbes archive. In this case please lookup the incoming folder.


All downloads are also available on the GBM homepage (see above).


Have fun,

Heiko Nitzsche


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