ns_pngsize(n) 4.99.30 naviserver "NaviServer Built-in Commands"

Name

ns_pngsize - Determine the width and height of a PNG image

Table Of Contents

• Table Of Contents
• Synopsis
• Description
• COMMANDS
• EXAMPLES
• See Also
• Keywords

Synopsis

Description

Returns a list of two elements, the width and height of the PNG file specified by filename. An error is generated if the file does not exist or if it is not a PNG file.

COMMANDS

ns_pngsize filename

EXAMPLES

 % ns_pngsize screenshot.png
 1024 768

 % ns_pngsize test.html
 invalid PNG file: "test.html"

See Also

ns_gifsize, ns_imgmime, ns_imgsize, ns_imgtype, ns_jpegsize

Keywords

global built-in, images