Top "Rgba" questions

RGBA stands for Red-Green-Blue-Alpha and specifies a color using four values which represent the amount of red, green, blue and alpha (opacity) in the color.

changing rgba alpha transparency with jquery

Possible Duplicate: jQuery + RGBA color animations hey, i want to change the opacity of an rgba value on hover, but …

jquery animation css opacity rgba
Set opacity to the menu but keep text opaque in CSS

How can I create a menu which only its background is transparent? The text should keep opaque (opacity: 1) If I …

css transparency opacity rgba
regex javascript to match both RGB and RGBA

Currently I have this regex which matches to an RGB string. I need it enhanced so that it is robust …

javascript regex rgb rgba
How to extract r, g, b, a values from CSS color?

What would be the easiest way to transform $('#my_element').css('backgroundColor') to object like this: { r: red_value, …

javascript jquery css colors rgba
What is the difference between opacity and that through alpha channel (rgba)?

div { background-color: rgb(255,0,0); opacity: 1; } div { background-color: rgba(255,0,0,1); } What is the difference between the above two?

css opacity rgba
Python from color name to RGB

If I have a function which takes color as an input to be edited first (by RGB numbers), and then …

python-3.x matplotlib colors rgba
Python OpenCV - overlay an image with transparency

What I'm trying to achieve is to place an image with transparency on top of another one. Something like this: …

python opencv transparency rgba
Load RGBA bitmap with PIL

I tried to convert a 32-bit Bitmap to 32-bit PNG using PIL. from PIL import Image im = Image.open('example.…

python png python-imaging-library bmp rgba
linear-gradient to transparent bug in latest safari?

I'm applying a basic linear-gradient like this: background-image: linear-gradient(to top, red, rgba(0,0,0,0)); this behaves as it's supposed to everywhere …

css safari linear-gradients rgba
Getting and setting the RGB / RGBA value of a pixel in a CCSprite (cocos2d-x)

Why do I need this? Basically I need to turn a color image into gray-scale. Including a gray-scale version of …

rgb ccsprite grayscale rgba cocos2d-x