Top "Libpng" questions

libpng is the official PNG reference library, supporting most all of PNG's features, is extensible, and has been widely used and tested for over twenty years.

Configuring PNG on ImageMagick on a Linux Server

I have been trying to run the following script on ImageMagick on a Linux server convert resized.png -gravity Center …

linux delegates imagemagick png libpng
An efficient way to detect corrupted png files?

I've written a program to process a bunch of png files that are generated by a seperate process. The capture …

linux png libpng
write png quickly

Summary I want to write a .png file as quickly as possible, without a concern for compression. That is, I …

png save openlayers libpng processing-efficiency
matplotlib and libpng issues with ipython notebook

I was trying to use ipython notebook . I installed all the dependency libraries. However, I cannot use either the "--pylab=…

python matplotlib ipython libpng ipython-notebook
Cannot build R package "png" Fedora 20

I am trying to build the R package png, the repo says that libpng needs to be available. I run …

r installation libpng fedora20
Cannot open shared object file libpng12.so.0

I am trying to run Quartus 13.0 in the following machine: parrot 4.18.0-parrot10-amd64 #1 SMP Debian 4.18.10-1parrot10 (2018-10-06) x86_64 …

shared-libraries libpng quartus debian-based parrot-os
raw bitmap data to jpeg or png C++

I have bytearray where every three bytes describes 1 pixel (RGB). The task is to convert it to jpeg or png. …

c++ bitmap png jpeg libpng
Adding libpng in android ndk project

I've searched a lot of topics about linking libpng to my android ndk project but I've found right answer for …

android-ndk libpng
libpng "png_set_longjmp_fn" not found

I'm using libpng from ubuntu and when I try to compile a c++ file I get undefined reference to `png_…

c++ compiler-errors libpng
import matplotlib.pyplot gives ImportError: dlopen(...) Library not loaded libpng15.15.dylib

Importing pyplot gives an error: In [1]: import matplotlib In [2]: import matplotlib.pyplot as plt ImportError Traceback (most recent call last) &…

macos matplotlib libpng