summaryrefslogtreecommitdiff
path: root/Build/source/texk/dvipdfm/jpeg.c
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/texk/dvipdfm/jpeg.c')
-rw-r--r--Build/source/texk/dvipdfm/jpeg.c136
1 files changed, 0 insertions, 136 deletions
diff --git a/Build/source/texk/dvipdfm/jpeg.c b/Build/source/texk/dvipdfm/jpeg.c
deleted file mode 100644
index c9c8c1d6e02..00000000000
--- a/Build/source/texk/dvipdfm/jpeg.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/* $Header$
-
- This is dvipdfm, a DVI to PDF translator.
- Copyright (C) 1998, 1999 by Mark A. Wicks
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- The author may be contacted via the e-mail address
-
- mwicks@kettering.edu
-*/
-
-#include <stdio.h>
-#include "system.h"
-#include "mem.h"
-#include "mfileio.h"
-#include "numbers.h"
-#include "dvi.h"
-#include "jpeg.h"
-#include "pdfobj.h"
-#include "pdfspecial.h"
-
-#define verbose 0
-
-#define SOF0 0xc0
-#define SOF1 0xc1
-#define SOF2 0xc2
-#define SOF3 0xc3
-#define SOF5 0xc5
-#define SOF6 0xc6
-#define SOF7 0xc7
-#define SOF9 0xc9
-#define SOF10 0xca
-#define SOF11 0xcb
-#define SOF13 0xcd
-#define SOF14 0xce
-#define SOF15 0xcf
-#define SOI 0xd8
-#define EOI 0xd9
-#define SOS 0xda
-#define COM 0xfe
-
-int check_for_jpeg(FILE *file)
-{
- rewind (file);
- if (get_unsigned_byte (file) != 0xff ||
- get_unsigned_byte (file) != SOI)
- return 0;
- return 1;
-}
-
-int jpeg_headers (struct jpeg *jpeg)
-{
- UNSIGNED_BYTE byte;
- UNSIGNED_PAIR length;
- int i, done;
- done = 0;
- while (!done) {
- if ((byte = get_unsigned_byte (jpeg -> file)) != 0xff)
- return 0;
- while ((byte = get_unsigned_byte (jpeg -> file)) == 0xff);
- length = get_unsigned_pair (jpeg -> file);
- length -= 2;
- switch (byte) {
- case SOF0:
- case SOF1:
- case SOF2:
- case SOF3:
- case SOF5:
- case SOF6:
- case SOF7:
- case SOF9:
- case SOF10:
- case SOF11:
- case SOF13:
- case SOF14:
- case SOF15:
- jpeg -> bits_per_color = get_unsigned_byte (jpeg -> file);
- jpeg -> height = get_unsigned_pair (jpeg -> file);
- jpeg -> width = get_unsigned_pair (jpeg -> file);
- jpeg -> colors = get_unsigned_byte (jpeg -> file);
- if (verbose) {
- fprintf (stderr, "ht=%d,wd=%d,co=%d,bpc=%d\n",
- jpeg->height,jpeg->width,jpeg->colors,jpeg->bits_per_color);
- }
-
- done = 1;
- return 1;
- default:
- for (i=0; i<length; i++) {
- get_unsigned_byte(jpeg -> file);
- }
- }
- }
- return 0; /* Not reached */
-}
-
-struct jpeg *jpeg_open (FILE *file)
-{
- struct jpeg *jpeg;
- if (!check_for_jpeg(file)) {
- fprintf (stderr, "\nNot a JPEG file\n");
- return NULL;
- }
- jpeg = NEW (1, struct jpeg);
- jpeg -> file = file;
- if (!jpeg_headers(jpeg)) {
- fprintf (stderr, "\nCorrupt JPEG file?\n");
- RELEASE (jpeg);
- return NULL;
- }
- return jpeg;
-}
-
-void jpeg_close (struct jpeg *jpeg)
-{
- if (jpeg == NULL) {
- fprintf (stderr, "jpeg_closed: passed invalid pointer\n");
- }
- RELEASE (jpeg);
- return;
-}
-
-