alpha

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How to render a texture with alpha?

How to render a texture with alpha? I have a texture, and need to render it w开发者_如何学编程ith different alpha values at different locations. Any way to do so? (My texture is GL_RGBA)[详细]

2023-04-03 18:03 分类：问答
OpenGL ES 2.0 PNG alpha channel

I am just learning to work with OpenGL ES 2.0 for Android.I have been trying to simply display a texture on the middle of the screen, which was easy enough, but I cannot seem to get the PNG alpha to w[详细]

2023-03-28 23:43 分类：问答
IOS: question about animation

I have this code: successview is my view and it star开发者_如何学Ct with alpha 0.00 but when it finish the animation with autoreverse, successview become with alpha 1.00...why?[详细]

2023-03-27 11:16 分类：问答
3DSMAX: Render only the shadow

I have a boat dock over some water. I want to render out two images. One for the water and dock\'s shadow, and another with just the dock becaus开发者_如何学运维e of what I\'m putting them together in[详细]

2023-03-25 00:20 分类：问答
Creating an OpenGL texture with alpha using NSBitmapImageRep

I am loading a PNG using: theImage = [NSBitmapImageRep imageRepWithContentsOfFile:imagePath]; from which I can successfully create a gl texture and render correctly without any transparency. Howeve[详细]

2023-03-24 16:41 分类：问答
XNA 4.0 - Alpha and Multiple Textures ... Messed Up

I am trying to make some sort of sliding menu... In a circle images will slide down or up as the user will touch the icons and slide them (like modern phones or like the casino machines\' fruits etc..[详细]

2023-03-23 04:16 分类：问答
fade_out ,interpolator crash the app

Now when I use linear_interpolator insted of fade-out the app and my animation works perfectly but when I use fade-out it makes my app FORCE-CLOSE[详细]

2023-03-21 08:56 分类：问答
Using LoadBitmap doesn't keep alpha channel in image

I am trying to load some images from an unmanaged file and running into problems with the alpha not coming through. I have found that I can restore the alpha channel by doing this:[详细]

2023-03-20 07:14 分类：问答
How to change the alpha of a UILabel by tapping?

I have an iOS (4.0) app that I would like to change the alpha of a specific UILabel of just by taping anywhere on the screen开发者_如何学编程.I don\'t have my interface done programmatically, I just u[详细]

2023-03-20 04:17 分类：问答
android drawBitmap RBG_888

I\'d like to blit a 24开发者_开发百科bit bitmap. Of course I can use the ARGB_8888 bitmap mode, but I don\'t care about the alpha channel.[详细]

2023-03-20 01:50 分类：问答