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by maxan
Tue Jul 09, 2013 9:14 pm
Forum: OpenVG
Topic: how to use OpenVG with C++
Replies: 8
Views: 6379

Re: how to use OpenVG with C++

Using OpenVG should be no different than mixing C and C++... The C++ FAQ has a nice section on how to do it...

Here's a link to the relevant section (http://www.parashift.com/c++-faq/cpp-calls-c.html). The rest of the section is probably worthy of a read as well.
by maxan
Mon Apr 15, 2013 1:57 pm
Forum: OpenMAX
Topic: JPEG2000 decoder
Replies: 2
Views: 1912

Re: JPEG2000 decoder

There's a hello_jpeg example somewhere to decode jpeg (you'll have to search these forums). Looking at the OpenMAX spec, there seems to be an option in the image decoder for JPEG2000. A quick test is to change that option to JPEG2000, and re-run it against JPEG2000. Let us know your results, please....
by maxan
Thu Apr 04, 2013 9:33 pm
Forum: C/C++
Topic: OpenMAX: How to decode a JPEG (example source code)
Replies: 67
Views: 39859

Re: OpenMAX: How to decode a JPEG (example source code)

Sorry if this is a bit off-topic. I see that Matt Ownby and Anthong Sale's jpeg.c code made it into the userland repository. In the transition, I see that the file header's license changed from " * You are free to use this for educational/non-commercial use" to a more permissive boilerplate BSDish-s...
by maxan
Thu Mar 14, 2013 4:12 pm
Forum: OpenGLES
Topic: Premultiplied Alpha Format for OpenGL ES
Replies: 0
Views: 1738

Premultiplied Alpha Format for OpenGL ES

Hi, I'm in the process of experimenting with Porter-Duff blending using OpenGL ES, and was wondering if one of you gurus have any suggestions on how to deal with premultiplied pixel format. My questions are: 1) Do I keep the textures as premultiplied or non-premulitplied data? I'm leaning towards ke...

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