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anddev.org • View topic - How to choose a part of a picture to do some thing?

How to choose a part of a picture to do some thing?

Tutorials concerning the OpenGL® ES cross-platform API for full-function 2D and 3D graphics on the Google-Android platform.

How to choose a part of a picture to do some thing?

Postby superman1234 » Sun Apr 06, 2008 6:06 pm

In the example of API demo, I do the "ColorMatrixSample.java".
In ColorMatrixSample.java, I can do some image handling.
However, the only thing I can do is to change the style of whole picture. Can I just change the stylr on a little part of picture, not the wholw picture??

I can't find any example on this tutorial. Is there any examples of image handling??
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Re: How to choose a part of a picture to do some thing?

Postby saty_32016 » Mon Apr 07, 2008 10:44 am

superman1234 wrote:In the example of API demo, I do the "ColorMatrixSample.java".
In ColorMatrixSample.java, I can do some image handling.
However, the only thing I can do is to change the style of whole picture. Can I just change the stylr on a little part of picture, not the wholw picture??

I can't find any example on this tutorial. Is there any examples of image handling??


I TOO want to know this please help.
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