I have Windows Server 2008 installed on a Sony laptop and the brightness control doesn't work. I'd like to write a program to allow me to change it. Currently what I have to do is open the Power control panel, click advanced settings, and fight through so many UAC boxes that anybody watching me must think I'm completely crazy. I just w...
The idea being that, once the brightness passes a certain level, one could switch to a different visual scheme to give greater visibility. Also, if it could be some sort of listener type thing, that would be even better, but I'll take what I can get. ...
I want to take an image of a document that was photographed and make it look like it was scanned. Since a scanner will put a constant light source over the whole document, I want to achieve that effect on a photo of a document. The desired effect would be to remove any shadows or areas of low light (or at least make them less noticeabl...
I have some idea of changing brightness in contrast, but i was wondering had a simple solution for changing brightness and contrast ...
Hello, I'm making a simple image editor in vb .net, and one of the functions is brightness/ exposure. this is how I'm doing it: For i = 0 To img.Width - 1 For j = 0 To img.Height - 1 Dim s As Color = img.GetPixel(i, j) Dim r As Integer = s.R * 2 Dim g As Integer = s.G * 2 Dim b ...
I have a slide bar to adjust the brightness of the screen on notebook displays in my application, but I found those articles from internet are adjusting the Gamma value, the behavior is not really like pressing the special key in keyboard. Is there a way to do it? Thanks in advance. Here is some links what I found. http://www.codeproj...
Hello all, I searched around for a way to set the backlight level within an app on the iPhone. I found a solution here: http://www.iphonedevsdk.com/forum/29097-post3.html The problem I have is, when I add this to my app I get an error and a warning. My code is as follows: #include "GraphicsServices.h" - (void) viewWillAppear:(BOOL)an...
Is there any way to have a semi-transparent overlay in a webpage and will brighten the underlying content? I'm wanting to have a dynamic content in the background of a transparent overlay with one section highlighted in a brighter than the rest of the background. For example, in the mock-up below there is a graph in the background, over...
I'm using the Allegro game library to make a tile game. I want the tiles to get exponentially brighter. Unfortunately Allegro does not have a "Brighten" feature. What I then decided to do, was blit a tile to the buffer, then for each pixel that it just blited for that tile, I increased their rgb values and putpixel. The big problem with ...
Hi all. Is there any command (or API) to set X.Org/Linux color brightness? In other words, I need something as handy as the xgamma command but for changing RGB brightness real-time. Is this possibile? Thanks in advance. ...
I've noticed that the brightness of computer monitors drastically varies between computers. As such, this changes the look of web pages greatly. Is there a way to use JavaScript to automatically detect how bright (or dark) a users monitor is so that I can adjust my web page colors accordingly? UPDATE Please note that I do not want ma...
There are apparently at least three different techniques for changing screen brightness in the Android OS. Two of them no longer work post-cupcake and the third accepted technique evidently has a bug. I would like to increase screen brightness at the start of a one-view activity then turn the brightness back to the user setting at the e...
I want users on my website to be able to pick a hex colour, and I just want to display white text for dark colours and black text for light colours. Can you work out the brightness from a hex code (preferably PHP)? ...
i'm searching for a way to analyze the camera's view live. the iphone should recognize and react to sudden changes in brightness. can you give me some hints? leave a comment if my question is not clear enough! ...
How to change Mac display brightness from cocoa application? ...
Hey guys and gals, So I load a color .png file that has been taken with an iphone using cvLoadImage. And after it's been loaded, when I immediately display it in my X11 terminal, the image is definitely darker than the original png file. I currently use this to load the image: IplImage *img3 = cvLoadImage( "bright.png", 1); For th...
I need to intercept brightness key press in a device with a hardware keyboard, where that key has the double function of changing brightness and the "0" number: if I can handle it, I can avoid to the user of the application to switch to the numeric keypad in some textboxes that accept only numeric input. I tried to handle that key even ...
Do you know of any means for changing the screen brightness in J2ME. That is using a vendor-specific API, like Samsung's, etc. Thanks! ...
I have web application and have noticed that there exists a huge variation in users' monitor brightness settings. The brighter a user's monitor, the more washed about my web applications colors look. Is there a way to automatically detect the user's monitor brightness, without the user's involvement, so that I can programmatically adju...
Ever since I've been using an external monitor with my laptop, when I need to change the backlight brightness I have to press the monitor's buttons to navigate through its menu and adjust the brightness. That is really a pain. It's too many button presses! When I was using my laptop's integrated monitor, that was as simple as presing the...