1 files changed, 77 insertions, 0 deletions
diff --git a/frontend/jpegtopdf.h b/frontend/jpegtopdf.h
new file mode 100644
index 0000000..123c8a0
--- /dev/null
+++ b/frontend/jpegtopdf.h
@@ -0,0 +1,77 @@
+/* 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/>.
+*/
+
+#ifndef __JPEG_TO_PDF_H__
+#define __JPEG_TO_PDF_H__
+
+#include "../include/_stdint.h"
+
+#include "../include/sane/sane.h"
+#include "../include/sane/sanei.h"
+#include "../include/sane/saneopts.h"
+
+
+
+#ifndef PATH_MAX
+# define PATH_MAX 4096
+#endif
+
+typedef long long SANE_Int64;
+
+/* sane_pdf_StartPage - type */
+enum {
+	SANE_PDF_IMAGE_COLOR = 0,	/* RGB24bit */
+	SANE_PDF_IMAGE_GRAY,		/* Gray8bit */
+	SANE_PDF_IMAGE_MONO,		/* Gray1bit */
+	SANE_PDF_IMAGE_NUM,
+};
+
+/* sane_pdf_StartPage - rotate */
+enum {
+	SANE_PDF_ROTATE_OFF = 0,	/* rotate off */
+	SANE_PDF_ROTATE_ON,			/* rotate 180 degrees */
+};
+
+
+typedef struct mynode
+{
+	SANE_Int		page;
+	SANE_Int		show_page;
+	SANE_Int		rotate;
+	struct mynode	*prev;
+	struct mynode	*next;
+	FILE*			fd;
+	SANE_Int		file_size;
+	SANE_Byte		file_path[ PATH_MAX ];
+} SANE_PDF_NODE, *LPSANE_PDF_NODE;
+
+
+SANE_Int sane_pdf_open( void **ppw, FILE* fd );
+void sane_pdf_close( void *pw );
+
+SANE_Int sane_pdf_start_doc( void *pw );
+SANE_Int sane_pdf_end_doc( void *pw );
+
+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 sane_pdf_end_page( void *pw );
+
+#endif /* __JPEG_TO_PDF_H__ */