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Regular Contributor
Posts: 64
Registered: ‎03-04-2010
My Device: 9930
My Carrier: VZN

Straight image or opengl | es?

I was wondering what people may think is more benifitial when working with for imaging in the native development without using native air mix.  I am currently having a issue simply loading a file and cant get a response on the code and there is much more documentation on open gl | es.

 

Some background of the simplicity of what I want to do is just to display a transparent png child in the center of the screen.

Brandon Clark
The Mind Company | www.themindspot.com

Highlighted
Developer
Posts: 541
Registered: ‎05-17-2009
My Device: Not Specified

Re: Straight image or opengl | es?

[ Edited ]

Check out HelloWorldDisplay. That shows how to load a PNG file and display it in GL 2D mode. It's actually quite simple. If your PNG contains transparencies, wrap this code around the GL rendering for that image:

 

Before

	glEnable(GL_BLEND);
	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

 After

	glDisable(GL_BLEND);

 

Between this and the HelloWorldDisplay, that should be all you need to display a transparent PNG. I'm sure there are other ways but I basically use the HWD example as a basis for my 2D canvas. Does that help?

 

Scott