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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
commit6e9c41a892ed0e0da326e0278b3221ce3f5713b8 (patch)
tree2e301d871bbeeb44aa57ff9cc070fcf3be484487 /backend/hp5400.h
Initial import of sane-backends version 1.0.24-1.2
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diff --git a/backend/hp5400.h b/backend/hp5400.h
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+/* sane - Scanner Access Now Easy.
+ Copyright (C) 2003 Martijn van Oosterhout <kleptog@svana.org>
+ Copyright (C) 2003 Thomas Soumarmon <thomas.soumarmon@cogitae.net>
+
+ Originally copied from HP3300 testtools. Original notice follows:
+
+ Copyright (C) 2001 Bertrik Sikken (bertrik@zonnet.nl)
+
+ This file is part of the SANE package.
+
+ 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.
+
+ As a special exception, the authors of SANE give permission for
+ additional uses of the libraries contained in this release of SANE.
+
+ The exception is that, if you link a SANE library with other files
+ to produce an executable, this does not by itself cause the
+ resulting executable to be covered by the GNU General Public
+ License. Your use of that executable is in no way restricted on
+ account of linking the SANE library code into it.
+
+ This exception does not, however, invalidate any other reasons why
+ the executable file might be covered by the GNU General Public
+ License.
+
+ If you submit changes to SANE to the maintainers to be included in
+ a subsequent release, you agree by submitting the changes that
+ those changes may be distributed with this exception intact.
+
+ If you write modifications of your own for SANE, it is your choice
+ whether to permit this exception to apply to your modifications.
+ If you do not wish that, delete this exception notice.
+
+ $Id$
+*/
+
+
+/*
+ Core HP5400 functions.
+*/
+
+
+#ifndef _HP5400_H_
+#define _HP5400_H_
+
+#include <unistd.h>
+
+#include "hp5400_xfer.h" /* for EScannerModel */
+
+#define HW_DPI 300 /* horizontal resolution of hardware */
+#define HW_LPI 300 /* vertical resolution of hardware */
+
+enum ScanType
+{
+ SCAN_TYPE_CALIBRATION,
+ SCAN_TYPE_PREVIEW,
+ SCAN_TYPE_NORMAL
+};
+
+/* In case we ever need to track multiple models */
+typedef struct
+{
+ char *pszVendor;
+ char *pszName;
+}
+TScannerModel;
+
+typedef struct
+{
+ /* transfer buffer */
+ void *buffer; /* Pointer to memory allocated for buffer */
+ int roff, goff, boff; /* Offset into buffer of rows to be copied *next* */
+ int bufstart, bufend; /* What is currently the valid buffer */
+ int bpp; /* Bytes per pixel per colour (1 or 2) */
+ int linelength, pixels; /* Bytes per line from scanner */
+ int transfersize; /* Number of bytes to transfer resulting image */
+ int blksize; /* Size of blocks to pull from scanner */
+ int buffersize; /* Size of the buffer */
+}
+TDataPipe;
+
+typedef struct
+{
+ int iXferHandle; /* handle used for data transfer to HW */
+ TDataPipe pipe; /* Pipe for data */
+
+ int iTopLeftX; /* in mm */
+ int iTopLeftY; /* in mm */
+ /* int iSensorSkew; *//* in units of 1/1200 inch */
+ /* int iSkipLines; *//* lines of garbage to skip */
+ /* int fReg07; *//* NIASH00019 */
+ /* int fGamma16; *//* if TRUE, gamma entries are 16 bit */
+/* int iExpTime; */
+ /* int iReversedHead; *//* Head is reversed */
+ /* int iBufferSize; *//* Size of internal scan buffer */
+/* EScannerModel eModel; */
+}
+THWParams;
+
+/* The scanner needs a Base DPI off which all it's calibration and
+ * offset/size parameters are based. For the time being this is the same as
+ * the iDpi but maybe we want it seperate. This is because while this field
+ * would have limited values (300,600,1200,2400) the x/y dpi can vary. The
+ * windows interface seems to allow 200dpi (though I've never tried it). We
+ * need to decide how these values are related to the HW coordinates. */
+
+
+typedef struct
+{
+ int iDpi; /* horizontal resolution */
+ int iLpi; /* vertical resolution */
+ int iTop; /* in HW coordinates (units HW_LPI) */
+ int iLeft; /* in HW coordinates (units HW_LPI) */
+ int iWidth; /* in HW coordinates (units HW_LPI) */
+ int iHeight; /* in HW coordinates (units HW_LPI) */
+
+ int iBytesPerLine; /* Resulting bytes per line */
+ int iLines; /* Resulting lines of image */
+ int iLinesRead; /* Lines of image already read */
+
+ int iColourOffset; /* How far the colours are offset. Currently this is
+ * set by the caller. This doesn't seem to be
+ * necessary anymore since the scanner is doing it
+ * internally. Leave it for the time being as it
+ * may be needed later. */
+}
+TScanParams;
+
+
+
+#endif /* NO _HP5400_H_ */