Description
int
png2wbmp ( string pngname, string wbmpname, int d_height, int d_width, int threshold )
Converts the pngname PNG file
to WBMP format, and saves it as wbmpname.
With the d_height and
d_width you specify the height
and width of the destination image.
Замечание: WBMP support is only available if
PHP was compiled against GD-1.8 or later.
See also jpeg2wbmp().