APNG Tutorial

Andrew Smith


Table of Contents
Introduction
Overview
Sequencial Reading
Overview
Source code
Progressive Reading
Overview
Source code
Writing
Overview
Source code
New Functions List
Reading
png_read_frame_head()
png_set_progressive_frame_fn()
Writing
png_write_frame_head()
png_write_frame_tail()
Getters
png_get_acTl()
png_get_num_frames()
png_get_num_plays()
png_first_frame_is_hidden()
png_get_next_frame_fcTl()
png_get_next_frame_width()
png_get_next_frame_height()
png_get_next_frame_x_offset()
png_get_next_frame_y_offset()
png_get_next_frame_delay_num()
png_get_next_frame_delay_den()
png_get_next_frame_dispose_op()
png_get_next_frame_blend_op()
Setters
png_set_acTl()
png_set_next_frame_fcTl()
New Constants
png_get_valid() flags
dispose_op values
blend_op values