ReactOS 0.4.15-dev-8231-g29a56f3
transupp.c File Reference
#include "jinclude.h"
#include "jpeglib.h"
#include "transupp.h"
#include <ctype.h>
Include dependency graph for transupp.c:

Go to the source code of this file.

Macros

#define JPEG_INTERNALS
 

Functions

 jcopy_markers_setup (j_decompress_ptr srcinfo, JCOPY_OPTION option)
 
 jcopy_markers_execute (j_decompress_ptr srcinfo, j_compress_ptr dstinfo, JCOPY_OPTION option)
 

Macro Definition Documentation

◆ JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 20 of file transupp.c.

Function Documentation

◆ jcopy_markers_execute()

jcopy_markers_execute ( j_decompress_ptr  srcinfo,
j_compress_ptr  dstinfo,
JCOPY_OPTION  option 
)

Definition at line 2392 of file transupp.c.

2394{
2396
2397 /* In the current implementation, we don't actually need to examine the
2398 * option flag here; we just copy everything that got saved.
2399 * But to avoid confusion, we do not output JFIF and Adobe APP14 markers
2400 * if the encoder library already wrote one.
2401 */
2402 for (marker = srcinfo->marker_list; marker != NULL; marker = marker->next) {
2404 marker->marker == JPEG_APP0 &&
2405 marker->data_length >= 5 &&
2406 GETJOCTET(marker->data[0]) == 0x4A &&
2407 GETJOCTET(marker->data[1]) == 0x46 &&
2408 GETJOCTET(marker->data[2]) == 0x49 &&
2409 GETJOCTET(marker->data[3]) == 0x46 &&
2410 GETJOCTET(marker->data[4]) == 0)
2411 continue; /* reject duplicate JFIF */
2413 marker->marker == JPEG_APP0+14 &&
2414 marker->data_length >= 5 &&
2415 GETJOCTET(marker->data[0]) == 0x41 &&
2416 GETJOCTET(marker->data[1]) == 0x64 &&
2417 GETJOCTET(marker->data[2]) == 0x6F &&
2418 GETJOCTET(marker->data[3]) == 0x62 &&
2419 GETJOCTET(marker->data[4]) == 0x65)
2420 continue; /* reject duplicate Adobe */
2421#ifdef NEED_FAR_POINTERS
2422 /* We could use jpeg_write_marker if the data weren't FAR... */
2423 {
2424 unsigned int i;
2425 jpeg_write_m_header(dstinfo, marker->marker, marker->data_length);
2426 for (i = 0; i < marker->data_length; i++)
2428 }
2429#else
2431 marker->data, marker->data_length);
2432#endif
2433 }
2434}
#define NULL
Definition: types.h:112
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
jpeg_write_m_byte(j_compress_ptr cinfo, int val)
Definition: jcapimin.c:234
jpeg_write_m_header(j_compress_ptr cinfo, int marker, unsigned int datalen)
Definition: jcapimin.c:222
jpeg_write_marker(j_compress_ptr cinfo, int marker, const JOCTET *dataptr, unsigned int datalen)
Definition: jcapimin.c:200
#define GETJOCTET(value)
Definition: jmorecfg.h:171
struct jpeg_marker_struct FAR * jpeg_saved_marker_ptr
Definition: jpeglib.h:207
int marker
Definition: jpeglib.h:1030
j_compress_ptr dstinfo
Definition: jpeglib.h:1100
#define JPEG_APP0
Definition: jpeglib.h:1128
boolean write_JFIF_header
Definition: jpeglib.h:375
boolean write_Adobe_marker
Definition: jpeglib.h:385
jpeg_saved_marker_ptr marker_list
Definition: jpeglib.h:618

Referenced by main().

◆ jcopy_markers_setup()

jcopy_markers_setup ( j_decompress_ptr  srcinfo,
JCOPY_OPTION  option 
)

Definition at line 2367 of file transupp.c.

2368{
2369#ifdef SAVE_MARKERS_SUPPORTED
2370 int m;
2371
2372 /* Save comments except under NONE option */
2373 if (option != JCOPYOPT_NONE) {
2374 jpeg_save_markers(srcinfo, JPEG_COM, 0xFFFF);
2375 }
2376 /* Save all types of APPn markers iff ALL option */
2377 if (option == JCOPYOPT_ALL) {
2378 for (m = 0; m < 16; m++)
2379 jpeg_save_markers(srcinfo, JPEG_APP0 + m, 0xFFFF);
2380 }
2381#endif /* SAVE_MARKERS_SUPPORTED */
2382}
const GLfloat * m
Definition: glext.h:10848
#define JPEG_COM
Definition: jpeglib.h:1129
Definition: getopt.h:109
@ JCOPYOPT_NONE
Definition: transupp.h:217
@ JCOPYOPT_ALL
Definition: transupp.h:219

Referenced by main().