Difference between revisions of "Applications/Libpng"

Revision as of 09:16, 17 March 2017

Description: libpng is the official PNG reference library. It supports almost all PNG features, this module would be used for application that require png image support..
Version: 1.6.25
Module: 1.6.25
Licence: GNU

[username@login01 ~]$ module add libpng/1.6.25

Libpng is a library for use either with a compiled binary that requires it, or it could be required at compilation time also.

A typical code snippet requiring is shown below:

...

int writeImage(char* filename, int width, int height, float *buffer, char* title) {

  int code = 0;
  FILE *fp = NULL;
  png_structp png_ptr = NULL;
  png_infop info_ptr = NULL;
  png_bytep row = NULL;
  ...


gcc -o makePNG makePNG.c -lm -lpng

@@ Line 7: / Line 7: @@
 ==Usage Examples==
 ===Module===
 <pre style="background-color: #000000; color: white; border: 2px solid black; font-family: monospace, sans-serif;">
 [username@login01 ~]$ module add libpng/1.6.25
 </pre>
+===Compilation===
+Libpng is a library for use either with a compiled binary that requires it, or it could be required at compilation time also.
+A typical code snippet requiring is shown below:
+#include <png.h>
+...
+int writeImage(char* filename, int width, int height, float *buffer, char* title)
+{
+   int code = 0;
+   FILE *fp = NULL;
+   png_structp png_ptr = NULL;
+   png_infop info_ptr = NULL;
+   png_bytep row = NULL;
+   ...
+<pre style="background-color: #000000; color: white; border: 2px solid black; font-family: monospace, sans-serif;">
+gcc -o makePNG makePNG.c -lm -lpng
+</pre>
 ==Further Information==
 [http://www.libpng.org/ http://www.libpng.org]