I have a RaspberryPi and want to display an image fullscreen without xserver – so write it directly to the framebuffer. No problem here. But setting it fullscreen doesn’t work. yields: So I use resulting in If I now use fbi to display an image, or just fill the framebuffer /dev/urandom >> /dev/fb0, just part of the screen is filled.
Tag: graphics
How to count the number of black and white pixels (linux, imagemagik, etc)
I have black and white images (see below). How count white and black pixels (as example 30% black and 70% white, or 123456 black pixels and 39393 white pixels)? p.s. I work in linux, what i must use? imagemagick? i prefer a command line interface program. Answer You can use ImageMagick’s histogram function to get a pixel count for each
List all graphic image files with find? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack Exchange site, you can leave a comment to explain where the question
Installing a graphics library on linux
I’m not a linux expert, and I’m trying to install a 2D graphics library on Ubuntu 10.10. I need to make a 2D display and after a little online research, GooCanvas seems like it will fit the bill. I’m frustrated because it simply won’t install and I don’t get what I am supposed to do. Here’s what I did. ‘make;
Java: Graphics in Linux
Does X-Windows have to be installed on a Linux-box in order for Java to display fullscreen graphics? Answer Other answerers appear to assume that “full screen graphics in Java” necessarily means “a working implementation of AWT”. This is, of course, not necessarily true, as it is perfectly possible (some would even say desirable) to use Java without AWT. Cairo is