What would you suggest, if I wanted to blend text messages in and out (fade in and out) from codebehind ?
I\'m writing some Java OpenGL code (though the principles are the same in C++ openGL). I have a situation where I want to render certain items on top o开发者_Go百科f others. I can do that by disable t
I have a 24-bit bitmaps with R, G, B color channels and a 24-bit bitmap with R, G, B alpha channels. I want to alpha blend the first bitmap to a HDC in GDI or RenderTarget in Direct2D with the alpha c
I\'m working on creating a hole in a wall using masking in opengl, my code is quit simple like this, //Draw the mask
Trying to write a simple paint program for iPhone, and I\'m using Apple\'s glPaint sample as a guide.The only problem is, painting doesn\'t work on a white background, since white + colour = white.I\'
I am doing my iPhone graphics using OpenGL. In one of my projects, I need to use an image, which I need to use as a texture in OpenGL. The .png image is 512 * 512 in size, its background is transparen
I\'ve been trying to blend two UIImage for about 2 days now and I\'ve been getting some BAD_ACCESS errors. First of all, I have two images that have the same orientation, basically I\'m using the Core
I want to use an alpha mask in OpenGL so that white(1)=visible and black(0)=hidden. So what I do is I write something in the alpha component of the framebuffer using 开发者_如何学运维glColorMask(Fals
How does one go about using a alpha blending formula to achieve the src rgb color from the resultant 开发者_Go百科of the 2 blended togetherWell, you can just reorder the alpha blending equation
I have a mask (loaded from a 256 grey PNG) that I want to apply to an image that\'s being used as part of my process for drawing a UITableViewCell\'s imageView.image property.