I'm using PyPng to draw Png-Files. I'm new to it (new as in 20 minues) and I use the following Code to generate a 6 by 6 pixel image, but it doesn't w ...
I'm using PyPng to draw Png-Files. I'm new to it (new as in 20 minues) and I use the following Code to generate a 6 by 6 pixel image, but it doesn't w ...
First of all, I'd like to refer to question 29513549, where all respondents seem to agree that it makes sense that the PNG image format was designed t ...
This seems like a dumb question at first--just read the docs!--but I did, and can't figure out how I can read a file, and get an RGB value. Simply, it ...
I'm trying to make a small python program that combines images in different ways, but when I try to open an image it throws: png.FormatError: FormatEr ...
I'm trying to write a program that creates a png file and paints the outer pixel black. I only need black and white so bitdepth=1 works for my situati ...
I'm trying to write a python script that takes in standard 24-bit pngs and converts them to 8-bit pngs for better compression. It looks like pypng can ...
I'm very new to pypng and with python itself, I've been working on a weather api program which is supposed to fetch an image from openweathermap.org. ...
I'm trying to set up a Python 3 environment that has access to the png module. When I list the installed packages, I get this: Since I have png, py ...
After processing a previously optimized indexed color PNG image with transparency (see here for some background, since this question refers to the sam ...
I wrote this Python Program to create and save a matrix (2D Array) to a .png file. The program compiles and runs without any error. Even the IMAGE.png ...
How can I do this without numpy module? It draws a white square 256x256 ...
I am trying to go through each pixel of a png that I captured with my Raspberry pi's camera, and change selectively change pixels that are above or be ...
I have just installed pypng library with sudo -E pip install pypng. I see this library in the list when I execute pip list (the version that I see the ...
This seems fairly simple: However, I can't open my new image because the file "appears to be damaged, corrupted, or too large". If I try to load th ...
I just began working with PyPNG. But in the metadata is one item I don't understand: planes. So two examples of two files: File 1 File 2 I skip ...
I'm trying to create an RGB png image by merging three grayscale png images using pypng. I've read the png files into numpy arrays as below How do ...
I am looking for a fast way to save a grayscale image as a 4-bit png with python. The images that I have to save are quite big, so saving them takes q ...
So reading the readme, I expected the following code: to output a 2x3 image. However, I get assertion errors (no description provided). Is there ...
I'm using PyQRCode [0] to generate a QR in PNG format under Python 2.7.6. When I try to write a file on disk using all works ok: But when I try t ...
How do you do this without saving to disk and then opening 'out.png' ? ...