NaviServer - programmable web server
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ns_pngsize(n) 5.0.0a naviserver "NaviServer Built-in Commands"

Name

ns_pngsize - Determine the width and height of a PNG image

Table Of Contents

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