gifread.c

Included Files

#include "include/config.h"
- #include "include/config1.h"
- #include "include/tradstdc.h"
- #include "include/global.h"
  - #include <stdio.h>
  - #include "include/coord.h"
  - #include "include/unixconf.h"
    - #include <time.h>
    - #include "include/system.h"
      - #include <sys/types.h>
      - #include <string.h>
    - #include <stdlib.h>
    - #include <unistd.h>
    - #include <sys/wait.h>

#include "win/share/tile.h"
- #include "include/dlb.h"

Preprocessor definitions

#define PPM_ASSIGN( p, red, grn, blu )

#define MAX_LWZ_BITS 12

#define INTERLACE 0x40

#define LOCALCOLORMAP 0x80

#define BitSet( byte, bit )

#define ReadOK( file, buffer, len )

#define LM_to_uint( a, b )

Type struct gifscreen

struct gifscreen

`struct gifscreen`
`{`
`int Width;`
`int Height;`
`int Colors;`
`int ColorResolution;`
`int Background;`
`int AspectRatio;`
`int Interlace;`
`}`

Global Variable GifScreen

struct gifscreen GifScreen

Visible in:		win/share/gifread.c
Used in:	fclose_gif_file()	win/share/gifread.c
	fopen_gif_file()	win/share/gifread.c
	read_gif_tile()	win/share/gifread.c
	read_header()	win/share/gifread.c

Global Variable Gif89

struct {...} Gif89

Visible in:		win/share/gifread.c
Used in:	DoExtension()	win/share/gifread.c

Global Variable ZeroDataBlock

int ZeroDataBlock

Visible in:		win/share/gifread.c
Used in:	GetDataBlock()	win/share/gifread.c
	LWZReadByte()	win/share/gifread.c

Local Variables

gif_file
static FILE* gif_file

Used in:	fclose_gif_file()
	fopen_gif_file()
	read_gif_tile()

tiles_across
static int tiles_across

Used in: fopen_gif_file()
read_gif_tile()

tiles_down
static int tiles_down

Used in: fopen_gif_file()
read_gif_tile()

curr_tiles_across
static int curr_tiles_across

Used in: fopen_gif_file()
read_gif_tile()

curr_tiles_down
static int curr_tiles_down

Used in: fopen_gif_file()
read_gif_tile()

image
static pixel** image

Used in: ReadInterleavedImage()
ReadTileStrip()
fclose_gif_file()
fopen_gif_file()
read_gif_tile()

input_code_size
static unsigned char input_code_size

Used in: ReadInterleavedImage()
ReadTileStrip()
fopen_gif_file()

std_args
static char* std_args[]

Used in: main()

Global Function fclose_gif_file()

int fclose_gif_file ( void )

Prototyped in:	win/share/gifread.c
Calls:	fclose(), free()
Called by:	main()	win/share/gifread.c
References Variables:	GifScreen	win/share/gifread.c
	gif_file	win/share/gifread.c
	image	win/share/gifread.c

Global Function fopen_gif_file()

boolean fopen_gif_file ( const char* filename, const char* type )

Prototyped in:	win/share/gifread.c
Calls:	LWZReadByte()	win/share/gifread.c
	ReadInterleavedImage()	win/share/gifread.c
	ReadTileStrip()	win/share/gifread.c
	alloc()	src/alloc.c
	read_header()	win/share/gifread.c
	exit(), fopen(), fprintf(), fread(), strcmp()
Called by:	main()	win/share/gifread.c
References Variables:	GifScreen	win/share/gifread.c
	curr_tiles_across	win/share/gifread.c
	curr_tiles_down	win/share/gifread.c
	gif_file	win/share/gifread.c
	image	win/share/gifread.c
	input_code_size	win/share/gifread.c
	tiles_across	win/share/gifread.c
	tiles_down	win/share/gifread.c

Global Function main()

int main ( int argc, char* argv[] )

Calls:	fclose_gif_file()	win/share/gifread.c
	fopen_gif_file()	win/share/gifread.c
	read_gif_tile()	win/share/gifread.c
	exit(), fclose_text_file(), fopen_text_file(), fprintf(), init_colormap(), write_text_tile()
References Variables:	std_args	win/share/gifread.c

Global Function read_gif_tile()

boolean read_gif_tile ( pixel (*pixels)[16] )

Prototyped in:	win/share/gifread.c
Calls:	ReadTileStrip()	win/share/gifread.c
Called by:	main()	win/share/gifread.c
References Variables:	GifScreen	win/share/gifread.c
	curr_tiles_across	win/share/gifread.c
	curr_tiles_down	win/share/gifread.c
	gif_file	win/share/gifread.c
	image	win/share/gifread.c
	tiles_across	win/share/gifread.c
	tiles_down	win/share/gifread.c
	ColorMap

Local Function DoExtension()

static void DoExtension ( FILE* fd, int label )

Prototyped in:	win/share/gifread.c
Calls:	GetDataBlock()	win/share/gifread.c
	fprintf(), sprintf()
Called by:	read_header()	win/share/gifread.c
References Variables:	Gif89	win/share/gifread.c

Local Function GetCode()

static int GetCode ( FILE* fd, int code_size, int flag )

Prototyped in:	win/share/gifread.c
Calls:	GetDataBlock()	win/share/gifread.c
	fprintf()
Called by:	LWZReadByte()	win/share/gifread.c

Local Function GetDataBlock()

static int GetDataBlock ( FILE* fd, unsigned char* buf )

Prototyped in:	win/share/gifread.c
Calls:	fprintf(), fread()
Called by:	DoExtension()	win/share/gifread.c
	GetCode()	win/share/gifread.c
	LWZReadByte()	win/share/gifread.c
References Variables:	ZeroDataBlock	win/share/gifread.c

Local Function LWZReadByte()

static int LWZReadByte ( FILE* fd, int flag, int input_code_size )

Prototyped in:	win/share/gifread.c
Calls:	GetCode()	win/share/gifread.c
	GetDataBlock()	win/share/gifread.c
	exit(), fprintf()
Called by:	ReadInterleavedImage()	win/share/gifread.c
	ReadTileStrip()	win/share/gifread.c
	fopen_gif_file()	win/share/gifread.c
References Variables:	ZeroDataBlock	win/share/gifread.c

Local Function ReadColorMap()

static boolean ReadColorMap ( FILE* fd, int number )

Prototyped in:	win/share/gifread.c
Calls:	fread()
Called by:	read_header()	win/share/gifread.c
References Variables:	ColorMap, colorsinmap

Local Function ReadInterleavedImage()

static void ReadInterleavedImage ( FILE* fd, int len, int height )

Prototyped in:	win/share/gifread.c
Calls:	LWZReadByte()	win/share/gifread.c
	fprintf()
Called by:	fopen_gif_file()	win/share/gifread.c
References Variables:	image	win/share/gifread.c
	input_code_size	win/share/gifread.c
	ColorMap

Local Function ReadTileStrip()

static void ReadTileStrip ( FILE* fd, int len )

Prototyped in:	win/share/gifread.c
Calls:	LWZReadByte()	win/share/gifread.c
Called by:	fopen_gif_file()	win/share/gifread.c
	read_gif_tile()	win/share/gifread.c
References Variables:	image	win/share/gifread.c
	input_code_size	win/share/gifread.c
	ColorMap

Local Function read_header()

static void read_header ( FILE* fd )

Prototyped in:	win/share/gifread.c
Calls:	DoExtension()	win/share/gifread.c
	ReadColorMap()	win/share/gifread.c
	exit(), fprintf(), fread(), strcmp(), strncmp(), strncpy()
Called by:	fopen_gif_file()	win/share/gifread.c
References Variables:	GifScreen	win/share/gifread.c