imagelib.c File Reference

Image related code. More...

#include "shared.h"
#include "imagelib.h"
#include <jpeglib.h>
#include <png.h>

Include dependency graph for imagelib.c:

Go to the source code of this file.

Data Structures
struct	_TargaHeader
struct	pngBuf_s
Typedefs
typedef struct _TargaHeader	TargaHeader
typedef struct pngBuf_s	pngBuf_t
Functions
static void	LoadTGA (const char *name, byte **pic, int *width, int *height)
int	TryLoadTGA (const char *path, miptex_t **mt)
	This is robbed from the engine source code, and refactored for use during map compilation.
static void	PngReadFunc (png_struct *Png, png_bytep buf, png_size_t size)
static void	LoadPNG (const char *name, byte **pic, int *width, int *height)
int	TryLoadPNG (const char *path, miptex_t **mt)
	This is robbed from the engine source code, and refactored for use during map compilation.
static void	ufo_jpg_null (j_decompress_ptr cinfo)
static boolean	ufo_jpg_fill_input_buffer (j_decompress_ptr cinfo)
static void	ufo_jpg_skip_input_data (j_decompress_ptr cinfo, long num_bytes)
static void	ufo_jpeg_mem_src (j_decompress_ptr cinfo, byte *mem, int len)
static void	LoadJPG (const char *filename, byte **pic, int *width, int *height)
int	TryLoadJPG (const char *path, miptex_t **mt)
	This is robbed from the engine source code, and refactored for use during map compilation.

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Detailed Description

Image related code.

Definition in file imagelib.c.

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Typedef Documentation

typedef struct pngBuf_s pngBuf_t

typedef struct _TargaHeader TargaHeader

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Function Documentation

static void LoadJPG	(	const char *	filename,
		byte **	pic,
		int *	width,
		int *	height
	)			[static]

See also:

LoadTGA

LoadPNG

R_FindImage

Definition at line 480 of file imagelib.c.

References byte, Com_Printf(), FS_LoadFile(), i, Mem_Alloc, Mem_Free, qtrue, Sys_Error(), and ufo_jpeg_mem_src().

Referenced by TryLoadJPG().

static void LoadPNG	(	const char *	name,
		byte **	pic,
		int *	width,
		int *	height
	)			[static]

See also:

LoadTGA

LoadJPG

we want to treat all images the same way The following code transforms grayscale images of less than 8 to 8 bits, changes paletted images to RGB, and adds a full alpha channel if there is transparency information in a tRNS chunk.

Definition at line 287 of file imagelib.c.

References pngBuf_s::buffer, byte, Com_Printf(), FS_FreeFile(), FS_LoadFile(), i, int(), Mem_Alloc, PngReadFunc(), pngBuf_s::pos, and Sys_Error().

Referenced by TryLoadPNG().

static void LoadTGA	(	const char *	name,
		byte **	pic,
		int *	width,
		int *	height
	)			[static]

Definition at line 46 of file imagelib.c.

References _TargaHeader::attributes, byte, _TargaHeader::colormap_index, _TargaHeader::colormap_length, _TargaHeader::colormap_size, _TargaHeader::colormap_type, FS_FreeFile(), FS_LoadFile(), green, _TargaHeader::height, _TargaHeader::id_length, _TargaHeader::image_type, LittleShort(), Mem_Alloc, _TargaHeader::pixel_size, red, Sys_Error(), _TargaHeader::width, _TargaHeader::x_origin, and _TargaHeader::y_origin.

Referenced by TryLoadTGA().

static void PngReadFunc	(	png_struct *	Png,
		png_bytep	buf,
		png_size_t	size
	)			[static]

Definition at line 276 of file imagelib.c.

References pngBuf_s::buffer, and pngBuf_s::pos.

Referenced by LoadPNG().

int TryLoadJPG	(	const char *	path,
		miptex_t **	mt
	)

This is robbed from the engine source code, and refactored for use during map compilation.

Definition at line 581 of file imagelib.c.

References byte, dest, LoadJPG(), Mem_Alloc, and Mem_Free.

int TryLoadPNG	(	const char *	path,
		miptex_t **	mt
	)

This is robbed from the engine source code, and refactored for use during map compilation.

Definition at line 410 of file imagelib.c.

References byte, dest, LoadPNG(), Mem_Alloc, and Mem_Free.

int TryLoadTGA	(	const char *	path,
		miptex_t **	mt
	)

This is robbed from the engine source code, and refactored for use during map compilation.

Definition at line 237 of file imagelib.c.

References byte, dest, LoadTGA(), Mem_Alloc, and Mem_Free.

static void ufo_jpeg_mem_src	(	j_decompress_ptr	cinfo,
		byte *	mem,
		int	len
	)			[static]

Definition at line 463 of file imagelib.c.

References ufo_jpg_fill_input_buffer(), ufo_jpg_null(), and ufo_jpg_skip_input_data().

Referenced by LoadJPG().

static boolean ufo_jpg_fill_input_buffer

(

j_decompress_ptr

cinfo

)

[static]

Definition at line 448 of file imagelib.c.

References VERB_EXTRA, and Verb_Printf().

Referenced by ufo_jpeg_mem_src().

static void ufo_jpg_null

(

j_decompress_ptr

cinfo

)

[static]

Definition at line 444 of file imagelib.c.

Referenced by ufo_jpeg_mem_src().

static void ufo_jpg_skip_input_data	(	j_decompress_ptr	cinfo,
		long	num_bytes
	)			[static]

Definition at line 454 of file imagelib.c.

References VERB_EXTRA, and Verb_Printf().

Referenced by ufo_jpeg_mem_src().