#include <setjmp.h>
#include <stdio.h>
#include "MEM_guardedalloc.h"
#include "BLI_fileops.h"
#include "BLI_string.h"
#include "BLI_utildefines.h"
#include "BKE_idprop.h"
#include "DNA_ID.h"
#include "IMB_filetype.h"
#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"
#include "IMB_metadata.h"
#include "imbuf.h"
#include <jerror.h>
#include <jpeglib.h>
#include "IMB_colormanagement.h"
#include "IMB_colormanagement_intern.h"

Classes
struct	my_error_mgr

struct	my_source_mgr

struct	NeoGeo_Word

Macros
#define	MAKESTMT(stuff)

#define	INPUT_VARS(cinfo)

#define	INPUT_SYNC(cinfo) (datasrc->next_input_byte = next_input_byte, datasrc->bytes_in_buffer = bytes_in_buffer)

#define	INPUT_RELOAD(cinfo) (next_input_byte = datasrc->next_input_byte, bytes_in_buffer = datasrc->bytes_in_buffer)

#define	MAKE_BYTE_AVAIL(cinfo, action)

#define	INPUT_BYTE(cinfo, V, action) MAKESTMT(MAKE_BYTE_AVAIL(cinfo, action); bytes_in_buffer--; V = GETJOCTET(*next_input_byte++);)

#define	INPUT_2BYTES(cinfo, V, action)

#define	JPEG_MARKER_MSB (0xFF)

#define	JPEG_MARKER_SOI (0xD8)

#define	JPEG_MARKER_APP1 (0xE1)

#define	JPEG_APP1_MAX (1 << 16)

Typedefs
typedef struct my_error_mgr	my_error_mgr

typedef my_error_mgr *	my_error_ptr

typedef my_source_mgr *	my_src_ptr

Functions
static void	jpeg_error (j_common_ptr cinfo) ATTR_NORETURN

static void	init_source (j_decompress_ptr cinfo)

static boolean	fill_input_buffer (j_decompress_ptr cinfo)

static void	skip_input_data (j_decompress_ptr cinfo, long num_bytes)

static void	term_source (j_decompress_ptr cinfo)

static void	memory_source (j_decompress_ptr cinfo, const unsigned char *buffer, size_t size)

static boolean	handle_app1 (j_decompress_ptr cinfo)

static ImBuf *	ibJpegImageFromCinfo (struct jpeg_decompress_struct cinfo, int flags, int max_size, size_t r_width, size_t *r_height)

bool	imb_is_a_jpeg (const unsigned char *mem, const size_t size)

	BLI_STATIC_ASSERT (sizeof(struct NeoGeo_Word)==4, "Must be 4 bytes")

ImBuf *	imb_load_jpeg (const unsigned char *buffer, size_t size, int flags, char colorspace[IM_MAX_SPACE])

struct ImBuf *	imb_thumbnail_jpeg (const char filepath, const int flags, const size_t max_thumb_size, char colorspace[IM_MAX_SPACE], size_t r_width, size_t *r_height)

static void	write_jpeg (struct jpeg_compress_struct cinfo, struct ImBuf ibuf)

static int	init_jpeg (FILE outfile, struct jpeg_compress_struct cinfo, struct ImBuf *ibuf)

static bool	save_stdjpeg (const char name, struct ImBuf ibuf)

bool	imb_savejpeg (struct ImBuf ibuf, const char filepath, int flags)

Variables
static const uchar	jpeg_default_quality = 75

static uchar	ibuf_quality

Macro Definition Documentation

◆ INPUT_2BYTES

#define INPUT_2BYTES	(	cinfo,
		V,
		action
	)

Value:

  MAKESTMT(MAKE_BYTE_AVAIL(cinfo, action); bytes_in_buffer--; \
           V = ((unsigned int)GETJOCTET(*next_input_byte++)) << 8; \
           MAKE_BYTE_AVAIL(cinfo, action); \
           bytes_in_buffer--; \
           V += GETJOCTET(*next_input_byte++);)

Definition at line 210 of file jpeg.c.

◆ INPUT_BYTE

#define INPUT_BYTE	(	cinfo,
		V,
		action
	)	MAKESTMT(MAKE_BYTE_AVAIL(cinfo, action); bytes_in_buffer--; V = GETJOCTET(*next_input_byte++);)

Definition at line 204 of file jpeg.c.

◆ INPUT_RELOAD

#define INPUT_RELOAD ( cinfo ) (next_input_byte = datasrc->next_input_byte, bytes_in_buffer = datasrc->bytes_in_buffer)

Definition at line 185 of file jpeg.c.

◆ INPUT_SYNC

#define INPUT_SYNC ( cinfo ) (datasrc->next_input_byte = next_input_byte, datasrc->bytes_in_buffer = bytes_in_buffer)

Definition at line 181 of file jpeg.c.

◆ INPUT_VARS

#define INPUT_VARS ( cinfo )

Value:

  struct jpeg_source_mgr *datasrc = (cinfo)->src; \
  const JOCTET *next_input_byte = datasrc->next_input_byte; \
  size_t bytes_in_buffer = datasrc->bytes_in_buffer

Definition at line 175 of file jpeg.c.

◆ JPEG_APP1_MAX

#define JPEG_APP1_MAX (1 << 16)

Definition at line 487 of file jpeg.c.

◆ JPEG_MARKER_APP1

#define JPEG_MARKER_APP1 (0xE1)

Definition at line 486 of file jpeg.c.

◆ JPEG_MARKER_MSB

#define JPEG_MARKER_MSB (0xFF)

Definition at line 484 of file jpeg.c.

◆ JPEG_MARKER_SOI

#define JPEG_MARKER_SOI (0xD8)

Definition at line 485 of file jpeg.c.

◆ MAKE_BYTE_AVAIL

#define MAKE_BYTE_AVAIL	(	cinfo,
		action
	)

Value:

  if (bytes_in_buffer == 0) { \
    if (!(*datasrc->fill_input_buffer)(cinfo)) { \
      action; \
    } \
    INPUT_RELOAD(cinfo); \
  } \
  (void)0

Definition at line 192 of file jpeg.c.

◆ MAKESTMT

#define MAKESTMT ( stuff )

Value:

  do { \
    stuff \
  } while (0)

Definition at line 170 of file jpeg.c.

Typedef Documentation

◆ my_error_mgr

typedef struct my_error_mgr my_error_mgr

◆ my_error_ptr

typedef my_error_mgr* my_error_ptr

Definition at line 70 of file jpeg.c.

◆ my_src_ptr

typedef my_source_mgr* my_src_ptr

Definition at line 105 of file jpeg.c.

Function Documentation

◆ BLI_STATIC_ASSERT()

BLI_STATIC_ASSERT	(	sizeof(struct NeoGeo_Word)	= `=4`,
		"Must be 4 bytes"
	)

◆ fill_input_buffer()

static boolean fill_input_buffer ( j_decompress_ptr cinfo )

static

Definition at line 112 of file jpeg.c.

References src.

Referenced by memory_source().

◆ handle_app1()

static boolean handle_app1 ( j_decompress_ptr cinfo )

static

Definition at line 225 of file jpeg.c.

References ibuf_quality, INPUT_2BYTES, INPUT_BYTE, INPUT_SYNC, INPUT_VARS, blender::math::length(), NeoGeo_Word::quality, and STRPREFIX.

Referenced by ibJpegImageFromCinfo().

◆ ibJpegImageFromCinfo()

static ImBuf * ibJpegImageFromCinfo	(	struct jpeg_decompress_struct *	cinfo,
		int	flags,
		int	max_size,
		size_t *	r_width,
		size_t *	r_height
	)

static

Definition at line 253 of file jpeg.c.

References usdtokens::b(), BLI_strdupn(), buffer, ImBuf::flags, float(), ImBuf::foptions, ImBuf::ftype, usdtokens::g(), handle_app1(), IB_metadata, IB_rect, IB_test, ibuf_quality, IMB_allocImBuf(), IMB_FTYPE_JPG, IMB_metadata_ensure(), IMB_metadata_set_field(), jpeg_default_quality, MAX2, max_uu(), MEM_freeN, ImBuf::metadata, MIN2, min_uu(), NULL, ImBuf::ppm, ImbFormatOptions::quality, r, ImBuf::rect, str, STRPREFIX, x, ImBuf::x, y, and ImBuf::y.

Referenced by imb_load_jpeg(), and imb_thumbnail_jpeg().

◆ imb_is_a_jpeg()

bool imb_is_a_jpeg	(	const unsigned char *	mem,
		const size_t	size
	)

Definition at line 51 of file jpeg.c.

References magic(), and size().

Referenced by imb_load_jpeg().

◆ imb_load_jpeg()

ImBuf* imb_load_jpeg	(	const unsigned char *	buffer,
		size_t	size,
		int	flags,
		char	colorspace[IM_MAX_SPACE]
	)

Definition at line 448 of file jpeg.c.

References buffer, COLOR_ROLE_DEFAULT_BYTE, colorspace_set_default_role(), ibJpegImageFromCinfo(), IM_MAX_SPACE, imb_is_a_jpeg(), jpeg_error(), memory_source(), NULL, my_error_mgr::pub, my_error_mgr::setjmp_buffer, and size().

Referenced by imb_thumbnail_jpeg().

◆ imb_savejpeg()

bool imb_savejpeg	(	struct ImBuf *	ibuf,
		const char *	filepath,
		int	flags
	)

Definition at line 752 of file jpeg.c.

◆ imb_thumbnail_jpeg()

struct ImBuf* imb_thumbnail_jpeg	(	const char *	filepath,
		const int	flags,
		const size_t	max_thumb_size,
		char	colorspace[IM_MAX_SPACE],
		size_t *	r_width,
		size_t *	r_height
	)

Definition at line 489 of file jpeg.c.

References BLI_fopen(), buffer, COLOR_ROLE_DEFAULT_BYTE, colorspace_set_default_role(), ibJpegImageFromCinfo(), IM_MAX_SPACE, imb_load_jpeg(), JPEG_APP1_MAX, jpeg_error(), JPEG_MARKER_APP1, JPEG_MARKER_MSB, JPEG_MARKER_SOI, MEM_callocN, MEM_SAFE_FREE, NULL, my_error_mgr::pub, and my_error_mgr::setjmp_buffer.

◆ init_jpeg()

static int init_jpeg	(	FILE *	outfile,
		struct jpeg_compress_struct *	cinfo,
		struct ImBuf *	ibuf
	)

static

Definition at line 663 of file jpeg.c.

References ImBuf::foptions, jpeg_default_quality, ImBuf::planes, ImbFormatOptions::quality, NeoGeo_Word::quality, ImBuf::x, and ImBuf::y.

Referenced by save_stdjpeg().

◆ init_source()

static void init_source ( j_decompress_ptr cinfo )

static

Definition at line 107 of file jpeg.c.

References void.

Referenced by memory_source().

◆ jpeg_error()

static void jpeg_error ( j_common_ptr cinfo )

static

Definition at line 72 of file jpeg.c.

References err.

Referenced by imb_load_jpeg(), imb_thumbnail_jpeg(), and save_stdjpeg().

◆ memory_source()

static void memory_source	(	j_decompress_ptr	cinfo,
		const unsigned char *	buffer,
		size_t	size
	)

static

Definition at line 147 of file jpeg.c.

References buffer, fill_input_buffer(), init_source(), NULL, size(), skip_input_data(), src, and term_source().

Referenced by imb_load_jpeg().

◆ save_stdjpeg()

static bool save_stdjpeg	(	const char *	name,
		struct ImBuf *	ibuf
	)

static

Definition at line 718 of file jpeg.c.

References BLI_fopen(), init_jpeg(), jpeg_error(), NULL, my_error_mgr::pub, blender::bke::attribute_accessor_functions::remove(), my_error_mgr::setjmp_buffer, and write_jpeg().

◆ skip_input_data()

static void skip_input_data	(	j_decompress_ptr	cinfo,
		long	num_bytes
	)

static

Definition at line 128 of file jpeg.c.

References if(), and src.

Referenced by memory_source().

◆ term_source()

static void term_source ( j_decompress_ptr cinfo )

static

Definition at line 142 of file jpeg.c.

References void.

Referenced by memory_source().

◆ write_jpeg()

static void write_jpeg	(	struct jpeg_compress_struct *	cinfo,
		struct ImBuf *	ibuf
	)

static

Definition at line 564 of file jpeg.c.

References ARRAY_SIZE, BLI_snprintf_rlen(), buffer, IDProperty::data, ListBase::first, ImBuf::foptions, IDPropertyData::group, IDP_String, IDP_STRING, IDProperty::len, MEM_freeN, MEM_mallocN, ImBuf::metadata, IDProperty::name, IDProperty::next, NULL, ImbFormatOptions::quality, NeoGeo_Word::quality, ImBuf::rect, STREQ, IDProperty::type, x, ImBuf::x, y, and ImBuf::y.

Referenced by save_stdjpeg().

Variable Documentation

◆ ibuf_quality

uchar ibuf_quality

static

Definition at line 49 of file jpeg.c.

Referenced by handle_app1(), and ibJpegImageFromCinfo().

◆ jpeg_default_quality

const uchar jpeg_default_quality = 75

static

Definition at line 48 of file jpeg.c.

Referenced by ibJpegImageFromCinfo(), and init_jpeg().

Classes

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ INPUT_2BYTES

◆ INPUT_BYTE

◆ INPUT_RELOAD

◆ INPUT_SYNC

◆ INPUT_VARS

◆ JPEG_APP1_MAX

◆ JPEG_MARKER_APP1

◆ JPEG_MARKER_MSB

◆ JPEG_MARKER_SOI

◆ MAKE_BYTE_AVAIL

◆ MAKESTMT

Typedef Documentation

◆ my_error_mgr

◆ my_error_ptr

◆ my_src_ptr

Function Documentation

◆ BLI_STATIC_ASSERT()

◆ fill_input_buffer()

◆ handle_app1()

◆ ibJpegImageFromCinfo()

◆ imb_is_a_jpeg()

◆ imb_load_jpeg()

◆ imb_savejpeg()

◆ imb_thumbnail_jpeg()

◆ init_jpeg()

◆ init_source()

◆ jpeg_error()

◆ memory_source()

◆ save_stdjpeg()

◆ skip_input_data()

◆ term_source()

◆ write_jpeg()

Variable Documentation

◆ ibuf_quality

◆ jpeg_default_quality