png_read_rows
Name
png_read_rows -- read multiple rows of image data
Synopsis
void
png_read_rows
(png_structp
png_ptr, png_bytepp
row, png_bytepp
display_row, png_uint_32
num_rows);
Description
Read "num_rows" rows of image data starting from "row". If the image is
interlaced, the rows must contain the contents of the rows from the previous
pass. If the image is displayed after each pass, "display_row" is used
to display a blurred progressive image. "display_row" can be NULL if the
progressive image is not required.