Merge branch 'feature/upstream' into develop

1 files changed, 709 insertions, 0 deletions

diff --git a/frontend/jpegtopdf.c b/frontend/jpegtopdf.c
new file mode 100644
index 0000000..8f144b5
--- /dev/null
+++ b/frontend/jpegtopdf.c
@@ -0,0 +1,709 @@
+/* scanimage -- command line scanning utility
+ * Uses the SANE library.
+ *
+ * Copyright (C) 2021 Thierry HUCHARD <thierry@ordissimo.com>
+ *
+ * For questions and comments contact the sane-devel mailinglist (see
+ * http://www.sane-project.org/mailing-lists.html).
+ *
+ * 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, see <https://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <errno.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <time.h>
+#include "jpegtopdf.h"
+
+#ifndef PATH_MAX
+# define PATH_MAX 4096
+#endif
+
+#define	SANE_NO_ERR			(0)
+#define	SANE_NO_ERR_CANCLED	(1)
+
+#define	SANE_ERR			(-128)
+#define	SANE_FILE_ERR		(-1)
+
+
+/* Creater/Producer */
+#define SANE_PDF_CREATER "sane"
+#define SANE_PDF_PRODUCER "sane"
+
+/* PDF File Header */
+#define SANE_PDF_HEADER "%%PDF-1.3\n"
+
+/* trailer format */
+#define SANE_PDF_TRAILER_OBJ "trailer\n<<\n/Size %d\n/Root 1 0 R\n/Info 3 0 R\n>>\nstartxref\n%lld\n%%%%EOF\n"
+
+/* xref format */
+#define SANE_PDF_XREF_OBJ1 "xref\n0 %d\n0000000000 65535 f \n"
+#define SANE_PDF_XREF_OBJ2 "%010lld 00000 n \n"
+
+/* Catalog format */
+#define SANE_PDF_CATALOG_OBJ "1 0 obj\n<<\n/Type /Catalog\n/Pages 2 0 R\n>>\nendobj\n"
+
+/* Pages format */
+#define SANE_PDF_PAGES_OBJ1 "2 0 obj\n<<\n/Type /Pages\n/Kids [ "
+#define SANE_PDF_PAGES_OBJ2 "%d 0 R "
+#define SANE_PDF_PAGES_OBJ3 "]\n/Count %d\n>>\nendobj\n"
+
+/* Info format */
+#define SANE_PDF_INFO_OBJ "3 0 obj\n<<\n/Creator (" SANE_PDF_CREATER ")\n/Producer (" SANE_PDF_PRODUCER ")\n/CreationDate %s\n>>\nendobj\n"
+#define SANE_PDF_INFO_DATES "(D:%4d%02d%02d%02d%02d%02d%c%02d'%02d')"
+
+/* Page format */
+#define SANE_PDF_PAGE_OBJ1 "%d 0 obj\n<<\n/Type /Page\n/Parent 2 0 R\n"
+#define SANE_PDF_PAGE_OBJ2 "/Resources\n<<\n/XObject << /Im%d %d 0 R >>\n/ProcSet [ /PDF /%s ]\n>>\n"
+#define SANE_PDF_PAGE_OBJ3 "/MediaBox [ 0 0 %d %d ]\n/Contents %d 0 R\n>>\nendobj\n"
+#define SANE_PDF_PAGE_OBJ3_180 "/Rotate 180\n/MediaBox [ 0 0 %d %d ]\n/Contents %d 0 R\n>>\nendobj\n"
+#define SANE_PDF_PAGE_OBJ		SANE_PDF_PAGE_OBJ1 SANE_PDF_PAGE_OBJ2 SANE_PDF_PAGE_OBJ3
+#define SANE_PDF_PAGE_OBJ_180	SANE_PDF_PAGE_OBJ1 SANE_PDF_PAGE_OBJ2 SANE_PDF_PAGE_OBJ3_180
+
+/* Contents format */
+#define SANE_PDF_CONTENTS_OBJ1 "%d 0 obj\n<< /Length %d 0 R >>\nstream\n"
+#define SANE_PDF_CONTENTS_OBJ2 "q\n%d 0 0 %d 0 0 cm\n/Im%d Do\nQ\n"
+
+/* XObject(Image) format */
+#define SANE_PDF_IMAGE_OBJ1 "%d 0 obj\n<<\n/Length %d 0 R\n/Type /XObject\n/Subtype /Image\n"
+#define SANE_PDF_IMAGE_OBJ2 "/Width %d /Height %d\n/ColorSpace /%s\n/BitsPerComponent %d\n"
+#define SANE_PDF_IMAGE_OBJ3 "/Filter /DCTDecode\n>>\nstream\n"
+#define SANE_PDF_IMAGE_OBJ	SANE_PDF_IMAGE_OBJ1 SANE_PDF_IMAGE_OBJ2 SANE_PDF_IMAGE_OBJ3
+
+/* Length format */
+#define SANE_PDF_LENGTH_OBJ "%d 0 obj\n%d\nendobj\n"
+
+/* end of stream/object */
+#define SANE_PDF_END_ST_OBJ "endstream\nendobj\n"
+
+
+/* object id of first page */
+#define SANE_PDF_FIRST_PAGE_ID (4)
+
+/* xref max value */
+#define SANE_PDF_XREF_MAX (9999999999LL)
+
+/* pdfwork->offset_table */
+enum {
+	SANE_PDF_ENDDOC_XREF = 0,
+	SANE_PDF_ENDDOC_CATALOG,
+	SANE_PDF_ENDDOC_PAGES,
+	SANE_PDF_ENDDOC_INFO,
+	SANE_PDF_ENDDOC_NUM,
+};
+
+/* pdfpage->offset_table */
+enum {
+	SANE_PDF_PAGE_OBJ_PAGE = 0,
+	SANE_PDF_PAGE_OBJ_IMAGE,
+	SANE_PDF_PAGE_OBJ_IMAGE_LEN,
+	SANE_PDF_PAGE_OBJ_CONTENTS,
+	SANE_PDF_PAGE_OBJ_CONTENTS_LEN,
+	SANE_PDF_PAGE_OBJ_NUM,
+};
+
+/* Page object info */
+typedef struct sane_pdf_page {
+	SANE_Int		page;			/* page No. */
+	SANE_Int		obj_id;			/* Page object id */
+	SANE_Int		image_type;		/* ColorSpace, BitsPerComponent */
+	SANE_Int		res;			/* image resolution */
+	SANE_Int		w;				/* width (image res) */
+	SANE_Int		h;				/* height (image res) */
+	SANE_Int		w_72;			/* width (72dpi) */
+	SANE_Int		h_72;			/* height (72dpi) */
+	SANE_Int64		offset_table[SANE_PDF_PAGE_OBJ_NUM];	/* xref table */
+	SANE_Int		stream_len;		/* stream object length */
+	SANE_Int		status;			/* page object status */
+	struct sane_pdf_page	*prev;	/* previous page data */
+	struct sane_pdf_page	*next;	/* next page data */
+} SANE_pdf_page;
+
+
+/* PDF Work */
+typedef struct {
+	SANE_Int		obj_num;		/* xref - num, trailer - Size */
+	SANE_Int		page_num;		/* Pages - Count */
+	SANE_Int64		offset_table[SANE_PDF_ENDDOC_NUM];	/* xref table */
+	SANE_pdf_page		*first;			/* first page data */
+	SANE_pdf_page		*last;			/* last page data */
+	FILE*			fd;				/* destination file */
+} SANE_pdf_work;
+
+static SANE_Int re_write_if_fail(
+                FILE *               fd,
+                void *               lpSrc,
+                SANE_Int             writeSize )
+{
+        SANE_Int       ret = SANE_ERR, ldata_1st, ldata_2nd;
+
+        if( ( fd == NULL ) || ( lpSrc == NULL ) || ( writeSize <= 0 ) ) {
+                fprintf ( stderr, "[re_write_if_fail]Parameter is error.\n" );
+                goto    EXIT;
+        }
+		else if( ( ldata_1st = fwrite( (SANE_Byte *)lpSrc, 1, writeSize, fd ) ) != writeSize ){
+                fprintf ( stderr, "[re_write_if_fail]Can't write file(1st request:%d -> write:%d).\n", writeSize, ldata_1st );
+                if( ( ldata_2nd = fwrite( (SANE_Byte*)lpSrc+ldata_1st, 1, writeSize-ldata_1st, fd) ) != writeSize-ldata_1st ){ /* For detect write() error */
+                        fprintf ( stderr, "[re_write_if_fail]Can't write file(2nd request:%d -> write:%d).\n", writeSize-ldata_1st, ldata_2nd );
+                        goto    EXIT;
+                }
+        }
+        ret = SANE_NO_ERR;
+EXIT:
+        return  ret;
+}
+
+static SANE_Int64 _get_current_offset( FILE *fd )
+{
+	SANE_Int64	offset64 = (SANE_Int64)fseek( fd, 0, SEEK_CUR );
+
+	if ( offset64 > SANE_PDF_XREF_MAX ) offset64 = -1;
+
+	return offset64;
+}
+
+static SANE_Int _get_current_time( struct tm *pt, SANE_Byte *sign_c, int *ptz_h, int *ptz_m )
+{
+	SANE_Int		ret = SANE_ERR;
+	time_t			t;
+	long			tz;
+
+	if ( pt == NULL || sign_c == NULL || ptz_h == NULL || ptz_m == NULL ) {
+		goto EXIT;
+	}
+
+	memset ((void *)pt, 0, sizeof(struct tm) );
+	/* get time */
+	if( ( t = time( NULL ) ) < 0 ) {
+		fprintf ( stderr, " Can't get time.\n" );
+		goto EXIT;
+	}
+	/* get localtime */
+	if ( localtime_r( &t, pt ) == NULL ) {
+		fprintf ( stderr, " Can't get localtime.\n" );
+		goto EXIT;
+	}
+	/* get time difference ( OHH'mm' ) */
+	tz = timezone;
+	if ( tz > 0 ) {
+		*sign_c = '-';
+	}
+	else {
+		tz = -tz;
+		*sign_c = '+';
+	}
+	*ptz_h = tz / 60 / 60;
+	*ptz_m = ( tz / 60 ) % 60;
+
+	ret = SANE_NO_ERR;
+EXIT:
+	return ret;
+}
+
+SANE_Int sane_pdf_open( void **ppw, FILE *fd )
+{
+	SANE_Int		ret = SANE_ERR;
+	SANE_pdf_work		*p = NULL;
+
+	if ( fd == NULL ) {
+		fprintf ( stderr, " Initialize parameter is error!\n" );
+		goto	EXIT;
+	}
+	else if ( ( p = (SANE_pdf_work *)calloc(1, sizeof(SANE_pdf_page) ) ) == NULL ) {
+		fprintf ( stderr, " Can't get work memory!\n" );
+		goto	EXIT;
+	}
+
+	p->fd = fd;
+	p->obj_num = SANE_PDF_FIRST_PAGE_ID - 1;	/* Catalog, Pages, Info */
+	p->page_num = 0;
+	p->first = NULL;
+	p->last = NULL;
+
+	*ppw = (void *)p;
+
+	ret = SANE_NO_ERR;
+EXIT:
+	return ret;
+}
+
+void sane_pdf_close( void *pw )
+{
+	SANE_pdf_page		*cur, *next;
+	SANE_pdf_work		*pwork = (SANE_pdf_work *)pw;
+
+	if ( pwork == NULL ) {
+		fprintf ( stderr, " Initialize parameter is error!\n");
+		goto	EXIT;
+	}
+
+	cur = pwork->first;
+	while ( cur != NULL ) {
+		next = cur->next;
+		free( (void *)cur );
+		cur = next;
+	}
+
+	free ( (void *)pwork );
+
+EXIT:
+	return ;
+}
+
+SANE_Int sane_pdf_start_doc( void *pw )
+{
+	SANE_Int		ret = SANE_ERR, ldata;
+	SANE_Byte		str[32];
+	SANE_Int			len;
+	SANE_pdf_work		*pwork = (SANE_pdf_work *)pw;
+
+	if ( pwork == NULL ) {
+		fprintf ( stderr, " Initialize parameter is error!\n");
+		goto	EXIT;
+	}
+
+	len = snprintf( (char*)str, sizeof(str), SANE_PDF_HEADER );
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+
+	ret = SANE_NO_ERR;
+EXIT:
+	return ret;
+}
+
+SANE_Int sane_pdf_end_doc( void *pw )
+{
+	SANE_Int		ret = SANE_ERR, ldata, i, size, w_count;
+	SANE_pdf_page		*p = NULL;
+	SANE_Byte		str[1024], str_t[64];
+	SANE_Int			len;
+	SANE_pdf_work		*pwork = (SANE_pdf_work *)pw;
+
+	struct tm		tm;
+	SANE_Byte		sign_c;
+	int				tz_h = 0, tz_m = 0;
+
+	if ( pwork == NULL ) {
+		fprintf ( stderr, " Initialize parameter is error!\n");
+		goto	EXIT;
+	}
+
+	size = pwork->obj_num + 1;
+	w_count = 1;
+
+	/* <1> Pages */
+	if ( ( pwork->offset_table[ SANE_PDF_ENDDOC_PAGES ] = _get_current_offset( pwork->fd ) ) < 0 ) {
+		fprintf ( stderr, " offset > %lld\n", SANE_PDF_XREF_MAX );
+		goto EXIT;
+	}
+	/* write Pages(1) */
+	len = snprintf( (char*)str, sizeof(str), SANE_PDF_PAGES_OBJ1 );
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+
+	/* write Pages(2) ... Kids array */
+	p = pwork->first;
+	i = 0;
+	while ( p != NULL ) {
+		i++;
+		if ( p->status != SANE_NO_ERR ) {
+			fprintf ( stderr, " page(%d) is NG!\n", i );
+			goto EXIT;
+		}
+
+		len = snprintf( (char*)str, sizeof(str), SANE_PDF_PAGES_OBJ2, (int)p->obj_id );	/* Page object id */
+		if ( (size_t)len >= sizeof(str) || len < 0 ) {
+			fprintf ( stderr, " string is too long!\n" );
+			goto EXIT;
+		}
+		if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+			fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+			goto EXIT;
+		}
+
+		p = p->next;
+	}
+
+	/* write Pages(3) */
+	len = snprintf( (char*)str, sizeof(str), SANE_PDF_PAGES_OBJ3, (int)pwork->page_num );	/* Count */
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+
+	/* <2> Catalog */
+	if ( ( pwork->offset_table[ SANE_PDF_ENDDOC_CATALOG ] = _get_current_offset( pwork->fd ) ) < 0 ) {
+		fprintf ( stderr, " offset > %lld\n", SANE_PDF_XREF_MAX );
+		goto EXIT;
+	}
+	/* write Catalog */
+	len = snprintf( (char*)str, sizeof(str), SANE_PDF_CATALOG_OBJ );
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+
+	/* <3> Info */
+	if ( ( pwork->offset_table[ SANE_PDF_ENDDOC_INFO ] = _get_current_offset( pwork->fd ) ) < 0 ) {
+		fprintf ( stderr, " offset > %lld\n", SANE_PDF_XREF_MAX );
+		goto EXIT;
+	}
+	if ( _get_current_time( &tm, &sign_c, &tz_h, &tz_m ) == SANE_ERR ) {
+		fprintf ( stderr, " Error is occured in _get_current_time.\n" );
+		goto EXIT;
+	}
+	/* Dates format */
+	len = snprintf((char*)str_t, sizeof(str_t), SANE_PDF_INFO_DATES,
+		tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
+		tm.tm_hour, tm.tm_min, tm.tm_sec, sign_c, tz_h, tz_m );
+	if ( (size_t)len >= sizeof(str_t) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	/* write Info */
+	len = snprintf( (char*)str, sizeof(str), SANE_PDF_INFO_OBJ, str_t );			/* CreationDate */
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+
+	/* <4> xref */
+	if ( ( pwork->offset_table[ SANE_PDF_ENDDOC_XREF ] = _get_current_offset( pwork->fd ) ) < 0 ) {
+		fprintf ( stderr, " offset > %lld\n", SANE_PDF_XREF_MAX );
+		goto EXIT;
+	}
+	/* write xref(1) */
+	len = snprintf( (char*)str, sizeof(str), SANE_PDF_XREF_OBJ1, (int)size );	/* object num */
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+
+	/* write xref(2) */
+	len = snprintf( (char*)str, sizeof(str), SANE_PDF_XREF_OBJ2 SANE_PDF_XREF_OBJ2 SANE_PDF_XREF_OBJ2,
+			pwork->offset_table[ SANE_PDF_ENDDOC_CATALOG ],			/* object id = 1 : Catalog */
+			pwork->offset_table[ SANE_PDF_ENDDOC_PAGES ],			/* object id = 2 : Pages */
+			pwork->offset_table[ SANE_PDF_ENDDOC_INFO ] );			/* object id = 3 : Info */
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+	w_count += SANE_PDF_FIRST_PAGE_ID - 1;
+
+	/* write xref(3) */
+	p = pwork->first;
+	while ( p != NULL ) {
+		/* write offset : SANE_PDF_PAGE_OBJ_PAGE -> SANE_PDF_PAGE_OBJ_CONTENTS_LEN */
+		for ( i = 0; i < SANE_PDF_PAGE_OBJ_NUM; i++ ) {
+			len = snprintf( (char*)str, sizeof(str), SANE_PDF_XREF_OBJ2, p->offset_table[ i ] );	/* object id = 3 ~ */
+			if ( (size_t)len >= sizeof(str) || len < 0 ) {
+				fprintf ( stderr, " string is too long!\n" );
+				goto EXIT;
+			}
+			if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+				fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+				goto EXIT;
+			}
+			w_count ++;
+		}
+		p = p->next;
+	}
+	/* check object number */
+	if ( w_count != size ) {
+		fprintf ( stderr, " object number is wrong.\n" );
+		goto EXIT;
+	}
+
+	/* <4> trailer */
+	len = snprintf( (char*)str, sizeof(str), SANE_PDF_TRAILER_OBJ,
+			(int)size,											/* object num */
+			pwork->offset_table[ SANE_PDF_ENDDOC_XREF ] );		/* xref offset */
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+
+
+	ret = SANE_NO_ERR;
+EXIT:
+	return ret;
+}
+
+SANE_Int sane_pdf_start_page(
+	void		*pw,
+	SANE_Int		w,
+	SANE_Int		h,
+	SANE_Int		res,
+	SANE_Int		type,
+	SANE_Int		rotate )
+{
+	SANE_Int		ret = SANE_ERR, ldata;
+	SANE_pdf_page		*p = NULL;
+	SANE_Byte		str[1024];
+	SANE_Int			len, len_c;
+	SANE_Byte		*ProcSetImage[SANE_PDF_IMAGE_NUM]		= { (SANE_Byte *)"ImageC", (SANE_Byte *)"ImageG", (SANE_Byte *)"ImageG" };
+	SANE_Byte		*ColorSpace[SANE_PDF_IMAGE_NUM]			= { (SANE_Byte *)"DeviceRGB", (SANE_Byte *)"DeviceGray", (SANE_Byte *)"DeviceGray" };
+	SANE_Int		BitsPerComponent[SANE_PDF_IMAGE_NUM]	= { 8, 8, 1 };
+	SANE_pdf_work		*pwork = (SANE_pdf_work *)pw;
+
+	if ( pwork == NULL || w <= 0 || h <= 0 || res <= 0 ||
+			!( type == SANE_PDF_IMAGE_COLOR || type == SANE_PDF_IMAGE_GRAY || type == SANE_PDF_IMAGE_MONO ) ||
+			!( rotate == SANE_PDF_ROTATE_OFF || rotate == SANE_PDF_ROTATE_ON ) ) {
+		fprintf ( stderr, " Initialize parameter is error!\n");
+		goto	EXIT;
+	}
+	else if ( ( p = (SANE_pdf_page *)calloc( 1, sizeof(SANE_pdf_page) ) ) == NULL ) {
+		fprintf ( stderr, " Can't get work memory!\n" );
+		goto	EXIT;
+	}
+
+	pwork->obj_num += SANE_PDF_PAGE_OBJ_NUM;
+	pwork->page_num ++;
+
+	p->prev = p->next = NULL;
+	if ( pwork->first == NULL ) {
+		/* append first page */
+		pwork->first = p;
+	}
+	if ( pwork->last == NULL ) {
+		/* append first page */
+		pwork->last = p;
+	}
+	else {
+		/* append page */
+		pwork->last->next = p;
+		p->prev = pwork->last;
+		pwork->last = p;
+	}
+
+	p->page = pwork->page_num;
+	/* page obj id : page1=4, page2=4+5=9, page3=4+5*2=14, ... */
+	p->obj_id = SANE_PDF_FIRST_PAGE_ID + ( p->page - 1 ) * SANE_PDF_PAGE_OBJ_NUM;
+	p->image_type = type;
+	p->res = res;
+	p->w = w; p->h = h;
+	p->w_72 = w * 72 / res; p->h_72 = h * 72 / res;
+	p->stream_len = 0;
+	p->status = SANE_ERR;
+
+	/* <1> Page */
+	if ( ( p->offset_table[ SANE_PDF_PAGE_OBJ_PAGE ] = _get_current_offset( pwork->fd ) ) < 0 ) {
+		fprintf ( stderr, " offset > %lld\n", SANE_PDF_XREF_MAX );
+		goto EXIT;
+	}
+	/* write Page */
+	if ( rotate == SANE_PDF_ROTATE_OFF ) {
+		len = snprintf( (char*)str, sizeof(str), SANE_PDF_PAGE_OBJ,
+				(int)(p->obj_id + SANE_PDF_PAGE_OBJ_PAGE),			/* object id ( Page ) */
+				(int)p->page,										/* ImX (X = page number) ... XObject/Image Name */
+				(int)(p->obj_id + SANE_PDF_PAGE_OBJ_IMAGE),			/* object id ( XObject/Image ) */
+				ProcSetImage[ type ],								/* ProcSet */
+				(int)p->w_72, (int)p->h_72,							/* MediaBox */
+				(int)(p->obj_id + SANE_PDF_PAGE_OBJ_CONTENTS) );	/* object id ( Contents ) */
+	}
+	else {
+		len = snprintf( (char*)str, sizeof(str), SANE_PDF_PAGE_OBJ_180,
+				(int)(p->obj_id + SANE_PDF_PAGE_OBJ_PAGE),			/* object id ( Page ) */
+				(int)p->page,										/* ImX (X = page number) ... XObject/Image Name */
+				(int)(p->obj_id + SANE_PDF_PAGE_OBJ_IMAGE),			/* object id ( XObject/Image ) */
+				ProcSetImage[ type ],								/* ProcSet */
+				(int)p->w_72, (int)p->h_72,							/* MediaBox */
+				(int)(p->obj_id + SANE_PDF_PAGE_OBJ_CONTENTS) );	/* object id ( Contents ) */
+	}
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+
+	/* <2> Contents */
+	if ( ( p->offset_table[ SANE_PDF_PAGE_OBJ_CONTENTS ] = _get_current_offset( pwork->fd ) ) < 0 ) {
+		fprintf ( stderr, " offset > %lld\n", SANE_PDF_XREF_MAX );
+		goto EXIT;
+	}
+	/* write Contents(1) */
+	len = snprintf( (char*)str, sizeof(str), SANE_PDF_CONTENTS_OBJ1,
+			(int)(p->obj_id + SANE_PDF_PAGE_OBJ_CONTENTS),			/* object id ( Contents ) */
+			(int)(p->obj_id + SANE_PDF_PAGE_OBJ_CONTENTS_LEN) );	/* object id ( Length of Contents ) */
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+	/* write Contents(2) */
+	len_c = len = snprintf( (char*)str, sizeof(str), SANE_PDF_CONTENTS_OBJ2,
+			(int)p->w_72, (int)p->h_72,							/* CTM ( scaling ) */
+			(int)p->page );										/* ImX (X = page number) ... XObject/Image Name */
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+
+	/* write Contents(3) */
+	len = snprintf( (char*)str, sizeof(str), SANE_PDF_END_ST_OBJ );
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+
+	/* <3> Length of Contents - stream */
+	if ( ( p->offset_table[ SANE_PDF_PAGE_OBJ_CONTENTS_LEN ] = _get_current_offset( pwork->fd ) ) < 0 ) {
+		fprintf ( stderr, " offset > %lld\n", SANE_PDF_XREF_MAX );
+		goto EXIT;
+	}
+	/* write Length */
+	len = snprintf( (char *)str, sizeof(str), SANE_PDF_LENGTH_OBJ,
+			(int)(p->obj_id + SANE_PDF_PAGE_OBJ_CONTENTS_LEN),		/* object id ( Length of Contents ) */
+			len_c );												/* length value */
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+
+	/* <4> XObject(Image) */
+	if ( ( p->offset_table[ SANE_PDF_PAGE_OBJ_IMAGE ] = _get_current_offset( pwork->fd ) ) < 0 ) {
+		fprintf ( stderr, " offset > %lld\n", SANE_PDF_XREF_MAX );
+		goto EXIT;
+	}
+	/* write XObject */
+	len = snprintf( (char*)str, sizeof(str), SANE_PDF_IMAGE_OBJ,
+			(int)(p->obj_id + SANE_PDF_PAGE_OBJ_IMAGE),		/* object id ( XObject(Image) ) */
+			(int)(p->obj_id + SANE_PDF_PAGE_OBJ_IMAGE_LEN),	/* object id ( Length of XObject ) */
+			(int)p->w, (int)p->h,							/* Width/Height */
+			ColorSpace[ type ],								/* ColorSpace */
+			(int)BitsPerComponent[ type ] );				/* BitsPerComponent */
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+
+	ret = SANE_NO_ERR;
+EXIT:
+	return ret;
+
+}
+
+SANE_Int sane_pdf_end_page( void *pw )
+{
+	SANE_Int		ret = SANE_ERR, ldata;
+	SANE_pdf_page		*p = NULL;
+	SANE_Byte		str[1024];
+	SANE_Int			len;
+	SANE_pdf_work		*pwork = (SANE_pdf_work *)pw;
+
+	if ( pwork == NULL ) {
+		fprintf ( stderr, " Initialize parameter is error!\n" );
+		goto	EXIT;
+	}
+
+	p = pwork->last;
+
+	/* <1> endstream, endobj (XObject) */
+	len = snprintf( (char*)str, sizeof(str), SANE_PDF_END_ST_OBJ );
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+
+	/* <2> Length of XObject - stream */
+	if ( ( p->offset_table[ SANE_PDF_PAGE_OBJ_IMAGE_LEN ] = _get_current_offset( pwork->fd ) ) < 0 ) {
+		fprintf ( stderr, " offset > %lld\n", SANE_PDF_XREF_MAX );
+		goto EXIT;
+	}
+	/* write Length */
+	len = snprintf( (char*)str, sizeof(str), SANE_PDF_LENGTH_OBJ,
+			(int)(p->obj_id + SANE_PDF_PAGE_OBJ_IMAGE_LEN),		/* object id ( Length of XObject stream ) */
+			(int)p->stream_len );								/* length value */
+	if ( (size_t)len >= sizeof(str) || len < 0 ) {
+		fprintf ( stderr, " string is too long!\n" );
+		goto EXIT;
+	}
+	if ( ( ldata = re_write_if_fail( pwork->fd, str, len ) ) < 0 ) {
+		fprintf ( stderr, " Error is occured in re_write_if_fail.\n" );
+		goto EXIT;
+	}
+
+	ret = SANE_NO_ERR;
+	p->status = SANE_NO_ERR;
+EXIT:
+	return ret;
+}