Top "Pixel" questions

How to measure the pixel width of a digit in a given font / size (C#)

I am trying to calculate the pixel width of Excel columns, as described in this post, using the official formula …

c# gdi+ gdi pixel font-size

Draw image from pixel array on canvas with putImageData

I am working on a project that can encrypt an image and redraw the decrypted image on canvas. As I …

javascript arrays canvas pixel putimagedata

How can I simply load a greyscale tiff in libtiff and get an array of pixel intensities?

I am trying to understand images some more, and I'm having a great deal of trouble. From using matlab, I …

c tiff pixel libtiff

what is display's logical resolution?

I encountered this concept: device pixel ration, some said it is the ratio between physical pixels and logical pixels. For …

pixel screen-resolution

How to draw a pixel on the screen in protected mode in x86 assembly?

I am creating a little bootloader+kernel and till now I managed to read disk, load second sector, load GDT, …

memory video assembly x86 pixel

How to change a particular color in an image?

My question is if I have a Lion image just I want to change the color of the lion alone …

iphone objective-c image-processing core-graphics pixel

OpenGL/PBO pixel drawing example needed

I need to draw pixels very fast on a screen. I found this interesting page Fast pixel drawing library author …

c++ linux opengl pixel pbo

Unity 2D art is blurry

For some reason, I can't get these tilemaps to come out like they were created in Unity... The pixel art …

unity3d pixel tiled

How a CSS pixel size is calculated?

While delving into CSS units I've encountered a definition of the reference pixel. However, I wasn't able to find a …

css screen pixel frontend

How to display pixels on screen directly from a raw array of RGB values faster than SetPixel()?

I enjoy making "animations" in c++ such as a MandelBrot Set zoomer, Game of Life simulator etc. by setting pixels …

c++ windows animation bitmap pixel