TITLE:GIF Overlap Libary
CENTER:''GIF89a Overlap Libary''
RIGHT:(c) 2008/09/18- yoya@awm.jp
#contents
----
* policy [#policy]
- http://giflib.cvs.sourceforge.net/giflib/giflib/util/gifovly.c inspire
-- i want to commit modifyed gifovly.c as gifovlap.c
- GIF Overlap for PHP ([[gifovlap]])
* function [#func]
- image overlay likely gifovlty.c but GIF89a extended and overlay to overlap
-- no timeline overlay but image overlap
-- transparent overlapping
-- join GIF animation frame timeline
* spec [#spec]
- accept different frame count each GIF image
-- LCM frames animation generated.
- loop each frame count each GIF image
** API [#b3a81d8f]
gifovlap_t *gifovlap_open(unsigned char *gif_data, int gif_data_len)
int gifovlap_stack(gifovlap_t *gifovlap, unsigned char *gif_data, int gif_data_len)
unsigned char *gifovlap_output(gifovlap_t *gifovlap, int *gif_data_len)
void gifovlap_close(gifovlap_t *gifovlap)
* implementation [#impl]
- split GIF image to frame
- all frame LCM calculation
- frame overlay with timeline t mod F{i} (t=timeline, F=frame count, i=image num)
- clip screen and dispose = true
* relative [#rel]
- [[giflib]] | [[GIF]]
- GIF Overlap for PHP ([[gifovlap]])
