libpng Questions
2
Solved
I am trying to install the reticulate package on my Mac and it depends on the png package, which in turn depends on libpng. I installed libpng with brew but the png package fails due to a missing l...
Marcusmarcy asked 20/1, 2022 at 16:0
3
my app was killed,and the log :libpng warning: Ignoring bad adaptive filter type.
I want to know the reason,and the solution.
3
Solved
I have added libpng to my application. If I build for simulator, everything is OK. When I build application for device, I got linker error:
Undefined symbols for architecture armv7: "_png_init_fi...
Amaranth asked 30/9, 2013 at 7:49
16
Solved
I'm trying to load a PNG image using SDL but the program doesn't work and this error appears in the console
libpng warning: iCCP: known incorrect sRGB profile
Why does this warning appear? Wha...
3
Solved
I'm trying to write (using libpng) an 16-bit grayscale image where each point color equals to sum of its coordinates. The following code should produce a 16-bit PNG, but instead produces 8-bit like...
5
Solved
I've written a program to process a bunch of png files that are generated by a seperate process. The capture mostly works, however there are times when the process dies and is restarting which leav...
3
I'm having a rather strange issue while building a C++ project on OSX using CMake, while pulling in libpng as a dependency. I have libpng 1.6.21 installed via homebrew and the following CMake rules...
4
I am a beginner at python, recently I want to install autopy in my Mac (Mavericks,10.9.4).
I read many introductions and other people's questions. But I still cannot install the autopy successful...
1
Solved
My goal is to read a PNG file, change the pixel values and store the updated PNG file using libpng.
I wrote two functions called read_png and write_png by following the official libpng manual. The ...
3
Solved
I am trying to access png pixel data in my C code on. I found this library libpng. I downloaded latest version from this site, I am using Ubuntu 14.04. I followed the instructions in the INSTALL fi...
2
I am trying to install the imagemin-pngquant module for node :
https://www.npmjs.org/package/imagemin-pngquant
However, when I run the command
npm install imagemin-pngquant --save-dev
I get t...
Disseminule asked 23/10, 2014 at 6:21
2
I have a C#/.NET utility I wrote that loads PNG images from disk
Bitmap b = Bitmap.FromStream(new MemoryStream(File.ReadAllBytes(filename))) as Bitmap;
performs several transformations on them (...
Prochronism asked 10/10, 2013 at 17:2
2
I'm trying to create a CMake hierarchy for an application that uses libpng. Libpng requires zlib.
Since a CMakeLists.txt is distributed with both zlib and libpng my first idea was to make the foll...
2
Solved
I'm using PyGame for Python, and have been receiving the following warning when loading .png images with pygame.image.load:
libpng warning: Interlace handling should be turned on when using png_re...
Nauplius asked 20/10, 2012 at 16:49
3
Solved
I am rendering a waveform in PHP by downsampling it with the lame encoder and then drawing the waveform from the resulting data points. I am currently getting images like this:
What I would like...
1
I'm having trouble displaying an image (PNG extracted with libpng) into an XCB window, it is always entirely empty/white. I'm pretty sure the PNG extraction is correct since I can perfectly re-writ...
5
Solved
I am trying to use Node.js imagemin to compress a lot of images on my server. I like using imagemin because I know how to point it at specific directories.
I am using CentOS 6 and when I run my fi...
Samuelsamuela asked 28/4, 2015 at 22:20
4
Solved
I'm currently using the following to write a PNG to a file:
#include <png.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
/* Pixels in this bitmap structure ...
5
I have managed to install the meld 3.14.2 and all the dependency packages, by compiling each package from source and all are installed on a NFS share with --prefix=<base>/meldfor the meld too...
2
Solved
I am trying to build the R package png, the repo says that libpng needs to be available.
I run a Linux Fedora 20 distro
Looks like I have it...
[root@localhost bin]# yum install libpng
Loaded pl...
Whimsical asked 15/2, 2014 at 17:16
2
Solved
I'm trying to compile a libpng library. The thing is that I need a specific version of this library - 1.2.37 - because the project I'm using it in is written with this version.
I've found the sourc...
2
Solved
png_read_info (png_ptr, info_ptr);
{
png_byte color_type = info_ptr->color_type;
png_byte bit_depth = info_ptr->bit_depth;
...
For last 2 lines I get
error: dereferencing pointer to ...
1
Solved
how do I install libpng using yum on centos?
I tried yum install libpng but that does not work
Any help would be greatly appreciated
2
Solved
I am about to install the Tizen Studio, and I also need the Emulators for Wear and Device. But unfortunately it requires libpng12-0 , whereas I have installed libpng16-16 already..
How can I tell ...
Stranglehold asked 7/12, 2017 at 9:31
11
Solved
Using any php application results in:
dyld: Library not loaded: /usr/local/lib/libpng15.15.dylib
Referenced from: /usr/local/bin/php
Reason: image not found
[1] 4494 trace trap php
Most of my php ...
Gustie asked 25/3, 2014 at 10:0
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