Category Archives: OpenGTL

Articles about the OpenGTL Graphics Transformation Language.

OpenGTL 0.9.12 and Shiva noise

OpenGTL 0.9.12 Earlier today I made a new release of OpenGTL (download page), version 0.9.12, for that release 23 tasks were completed, the main changes are: Fixing thread safety issues at run time. Progress report. Many new mathematical functions for … Continue reading

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Moiré, when Open Source can be usefull to work

Sometime I get asked whether what I do in open source is useful for my work. Except for the thing like kalculus that were explicitly written for my work needs, usually the time invested does not pay at all, despite … Continue reading

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Shiva generator, krita and metaball

One of the new thing of the upcoming 2.1 release for Krita (among improved stability) is that the OpenGTL library is now even more integrated, which makes it even easier to write cool filters or generators for Krita. Today, I … Continue reading

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OpenGTL 0.9.8/0.9.9, GTLDesigner 0.9.1, libQtGTL 0.9.0 and shiva-collections 1.0

Today, I made a bunch of releases related to the OpenGTL project. Ranging from the main library, to some utilities and wrapper for Qt applications. The main library comes with two version one for llvm 2.4 (OpenGTL 0.9.8) and one … Continue reading

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OpenGTL 0.9.6/0.9.7

Since llvm 2.4 has been released a few weeks, and since I have made a lot of improvement in the libraries, it’s about time I make a release of OpenGTL. So a twin release, 0.9.6 for llvm 2.3 and 0.9.7 … Continue reading

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OpenGTL 0.9.5 and Darkroom 1.3

Today I am making a joint release of OpenGTL and Darkroom, for the main reason that I have made quiet a lot of bug fixes in OpenGTL that are needed to get a fully working Darkroom. OpenGTL 0.9.5 Among the … Continue reading

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OpenGTL 0.9.3 and 0.9.4 : first release with Shiva

A few days ago, I spoke about OpenShiva, since then I have added quiet a few features, since OpenShiva can now read images, and work with different bit depth than float 32bits, I have also found a lot of bugs … Continue reading

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OpenGTL 0.9.2 and linear RGB color space

I finally made a new release of OpenGTL, with a nearly full support of the CTL (Color Transformation Language) syntax. While large part of the standard library is still unavailable, it has all the features currently needed for Krita’s color … Continue reading

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OpenGTL and QtCTL 0.9.1

A new release of OpenGTL (or more like the first, as the previous release only contains OpenCTL), my Graphics Transformation Languages library, is available. This release contains a much improved CTL (Color Transformation Language) interpreter (if we can call this, … Continue reading

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OpenCTL 0.9.0

A few days ago, I presented brushes created using CTL, but I didn’t release a crucial piece of software, the actual CTL (Color Transformation Language) interpreter, this is what I fix today. OpenCTL 0.9.0 I am pleased to announce the … Continue reading

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