png_get_rowbytes

Name

png_get_rowbytes -- Return number of bytes for a row

Synopsis

#include <png.h>

png_uint_32 png_get_rowbytes(png_structp png_ptr, png_infop info_ptr);

Description

png_get_rowbytes() returns the number of bytes needed to hold a transformed row of an image.

Return Value

Returns 0 if png_ptr or info_ptr is NULL, number of bytes otherwise.