brightness

Silverlight 4.0 - contrast and brightness management

Hi, I am building an image editor for Silverlight 4.0 and need some insight or possibly a snippet of code or library to implement contrast/brightness management. I would appreciate if somebody would share how it can be achieved. Thanks! ...

Brightness and Contrast for a canvas image with javascript

I have an image in a tag var img = new Image(); ctx.drawImage(img,0,0,img.width,img.height); ecc... How is possible to change the Brightness and Contrast of this image with javascript? Tnx ...

Dim iPhone screen

Hey, I'm working on an application where it may be used in a dark area and the brightness is required to be lowered. I wanted to put this into the application, and thought that I could add a UIView with a black bg color and change the alpha, but this gets in the way of the user interaction. Does anyone have an idea on how to do this wi...

How to enable/disable auto brightness mode from API

Hi, I want to control the system settings "auto brightness", setting it ON or OFF.I'm able to control the brightness level but only if AUTO is OFF. From what I read until now there is a SCREEN_BRIGHTNESS_MODE in Settings.System but only for API level 8 or higher and also not recommended to mess wit it. But currently my phone has Android ...

How to make colours on one screen look the same as another

Given two seperate computers, how could one ensure that colours are being projected roughly the same on each screen? IE, one screen might have 50% brightness more than another, so colours appear duller on one screen. One artist on one computer might be seeing the pictures differently to another, it's important they are seeing the same ...