i\'m trying to apply a box blur to an transparent image, and i\'m getting a \"dark halo\" around the edges.
I have the RGB tuple of a pixel we\'ll call P. (255, 0, 0) is the color of P with the alpha channel at 1.0.开发者_如何转开发
This is probably very straightforward, but I am not even sure what it\'s called - which makes goog开发者_开发技巧ling a bit less useful than usual.
This is only marginally programming related - has much more to do w/ colors and their representation.
I\'m a newbie in iPhone development and now encounter a problem: I want to add a small hotspot on a large image and simply came up with the idea that I can add a button in that area setting alpha 0 t
Does anyone know how to enable blending in OpenGL (android) on a HTC Desire. I am trying to draw colored triangles and using the alpha value of the color buffer to blend them with the background (or a
I need to overlay some textures onto a video in a layered fashion (i.e. the first texture should appear under, the second texture when they are both semi-transparent etc).
What is the correct way to sort polygons so that they blend properly? The basic concept I think is to r开发者_Python百科ender the furthest polygon first back to closest in order. But what about cases
I\'m a beginner to 3D graphics in general and I\'m trying to make a 3D game for the iPhone, and more specifically, to use textures that contain transparency. I am able to load a texture (an 8 bit .png
I have a very odd problem, hopefully easily solved. I am drawing a quad as a triangle strip. It simply has 2 triangles in the strip and I apply a texture containing an alpha channel to it.