packunpack.cpp File Reference

#include "anim/animplay.h"
#include "anim/packunpack.h"
#include "bmpman/bmpman.h"
#include "graphics/2d.h"

Go to the source code of this file.

Functions
void	anim_check_for_palette_change (anim_instance *instance)
anim_instance *	init_anim_instance (anim *ptr, int bpp)
void	free_anim_instance (anim_instance *inst)
int	anim_get_next_frame (anim_instance *inst)
ubyte *	anim_get_next_raw_buffer (anim_instance *inst, int xlate_pal, int aabitmap, int bpp)
int	pack_key_frame (ubyte *frame, ubyte *save, long size, long max, int compress_type)
	Pack key frame. More...
int	pack_frame (ubyte *frame, ubyte *frame2, ubyte *save, long size, long max, int compress_type)
	Pack frame. More...
void	convert_24_to_16 (int bit_24, ushort *bit_16)
	Convert a 24 bit value to a 16 bit value. More...
int	unpack_pixel (anim_instance *ai, ubyte *data, ubyte pix, int aabitmap, int bpp)
	Unpack a pixel given the passed index and the anim_instance's palette. More...
int	unpack_pixel_count (anim_instance *ai, ubyte *data, ubyte pix, int count=0, int aabitmap=0, int bpp=8)
	Unpack a pixel given the passed index and the anim_instance's palette. More...
ubyte *	unpack_frame (anim_instance *ai, ubyte *ptr, ubyte *frame, int size, ubyte *pal_translate, int aabitmap, int bpp)
	Unpack frame. More...
int	unpack_frame_from_file (anim_instance *ai, ubyte *frame, int size, ubyte *pal_translate, int aabitmap, int bpp)
	Unpack frame from file. More...
void	anim_set_palette (anim *ptr)
	Set animation palette. More...

Variables
const int	packer_code = PACKER_CODE
const int	transparent_code = 254

Function Documentation

void anim_check_for_palette_change

(

anim_instance *

instance

)

Definition at line 21 of file packunpack.cpp.

int anim_get_next_frame

(

anim_instance *

inst

)

Definition at line 81 of file packunpack.cpp.

ubyte* anim_get_next_raw_buffer	(	anim_instance *	inst,
		int	xlate_pal,
		int	aabitmap,
		int	bpp
	)

Definition at line 127 of file packunpack.cpp.

void anim_set_palette

(

anim *

ptr

)

Set animation palette.

Todo:

Actually convert the frame data to correct palette at this point

Definition at line 1053 of file packunpack.cpp.

void convert_24_to_16	(	int	bit_24,
		ushort *	bit_16
	)

Convert a 24 bit value to a 16 bit value.

Parameters

bit_24	24 bit value
bit_16	16 bit value (output)

Definition at line 485 of file packunpack.cpp.

void free_anim_instance

(

anim_instance *

inst

)

Definition at line 68 of file packunpack.cpp.

anim_instance* init_anim_instance	(	anim *	ptr,
		int	bpp
	)

Definition at line 28 of file packunpack.cpp.

int pack_frame	(	ubyte *	frame,
		ubyte *	frame2,
		ubyte *	save,
		long	size,
		long	max,
		int	compress_type
	)

Pack frame.

Parameters

frame	Frame pixel data to pack
frame2	Previous frame's pixel data
save	Memory to store packed data to
size	Number of bytes to pack
max	Maximum number of packed bytes (size of buffer)
compress_type	Compress type

Returns

Actual number of bytes data packed to or -1 if error

Definition at line 326 of file packunpack.cpp.

int pack_key_frame	(	ubyte *	frame,
		ubyte *	save,
		long	size,
		long	max,
		int	compress_type
	)

Pack key frame.

Parameters

frame	Frame pixel data to pack
save	Memory to store packed data to
size	Number of bytes to pack
max	Maximum number of packed bytes (size of buffer)
compress_type	Compress type

Returns

Actual number of bytes data packed to or -1 if error

Definition at line 175 of file packunpack.cpp.

ubyte* unpack_frame	(	anim_instance *	ai,
		ubyte *	ptr,
		ubyte *	frame,
		int	size,
		ubyte *	pal_translate,
		int	aabitmap,
		int	bpp
	)

Unpack frame.

Parameters

ai	Animation instance
ptr	Packed data to unpack
frame	Where to store unpacked data to
size	Total number of unpacked pixels requested
pal_translate	Color translation lookup table (NULL if no palette translation desired)
aabitmap
bpp

Definition at line 669 of file packunpack.cpp.

int unpack_frame_from_file	(	anim_instance *	ai,
		ubyte *	frame,
		int	size,
		ubyte *	pal_translate,
		int	aabitmap,
		int	bpp
	)

Unpack frame from file.

Parameters

ai	Animation instance
frame	Where to store unpacked data to
size	Total number of unpacked pixels requested
pal_translate	Color translation lookup table (NULL if no palette translation desired)
aabitmap
bpp

Definition at line 858 of file packunpack.cpp.

int unpack_pixel	(	anim_instance *	ai,
		ubyte *	data,
		ubyte	pix,
		int	aabitmap,
		int	bpp
	)

Unpack a pixel given the passed index and the anim_instance's palette.

Returns

Bytes stuffed

Definition at line 497 of file packunpack.cpp.

int unpack_pixel_count	(	anim_instance *	ai,
		ubyte *	data,
		ubyte	pix,
		int	count = 0,
		int	aabitmap = 0,
		int	bpp = 8
	)

Unpack a pixel given the passed index and the anim_instance's palette.

Returns

Bytes stuffed

Definition at line 580 of file packunpack.cpp.

Variable Documentation

const int packer_code = PACKER_CODE

Definition at line 18 of file packunpack.cpp.

const int transparent_code = 254

Definition at line 19 of file packunpack.cpp.