Initial import of sane-backends version 1.0.24-1.2

1 files changed, 144 insertions, 0 deletions

diff --git a/japi/Sane.java b/japi/Sane.java
new file mode 100644
index 0000000..85600e7
--- /dev/null
+++ b/japi/Sane.java
@@ -0,0 +1,144 @@
+/* sane - Scanner Access Now Easy.
+   Copyright (C) 1997 Jeffrey S. Freedman
+   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.  */
+
+//
+//	Sane.java - Java version of SANE API.
+//
+//	Written: 10/9/97 - JSF
+//
+
+public class Sane
+{
+	//
+	//	Public constants:
+	//
+public static int FIXED_SCALE_SHIFT = 16;
+	//
+	//	Sane status values:
+	//
+public static int STATUS_GOOD = 0;	// everything A-OK
+public static int STATUS_UNSUPPORTED = 1;// operation is not supported
+public static int STATUS_CANCELLED = 2;	// operation was cancelled
+public static int STATUS_DEVICE_BUSY = 3;// device is busy; try again later
+public static int STATUS_INVAL = 4;	// data is invalid (includes no 
+					//   dev at open)
+public static int STATUS_EOF = 5;	// no more data available (end-of-file)
+public static int STATUS_JAMMED = 6;	// document feeder jammed
+public static int STATUS_NO_DOCS = 7;	// document feeder out of documents
+public static int STATUS_COVER_OPEN = 8;// scanner cover is open
+public static int STATUS_IO_ERROR = 9;	// error during device I/O
+public static int STATUS_NO_MEM = 10;	// out of memory
+					// access to resource has been denied
+public static int STATUS_ACCESS_DENIED = 11;
+	//
+	//	Initialize when class is loaded.
+	//
+static	{
+	System.loadLibrary("sanej");
+	}
+	//
+	//	Private methods:
+	//
+				// Get list of devices.
+private native int getDevicesNative(
+				SaneDevice[] deviceList, boolean localOnly);
+				// Get option descriptor.
+private native void getOptionNative(int handle, int option, SaneOption opt);
+	//
+	//	Public methods:
+	//
+public Sane()
+	{  }
+public int fix(double v)
+	{ return (int) ((v) * (1 << FIXED_SCALE_SHIFT)); }
+public double unfix(int v)
+	{ return (double)(v) / (1 << FIXED_SCALE_SHIFT); }
+public int versionMajor(int code)
+	{ return ((code) >> 24) &   0xff; }
+public int versionMinor(int code)
+	{ return ((code) >> 16) &   0xff; }
+public int versionBuild(int code)
+	{ return ((code) >>  0) & 0xffff; }
+	//
+	//	SANE interface.
+	//
+				// Initialize, and return STATUS_
+public native int init(int[] versionCode);
+public native void exit();	// All done.
+				// Get list of devices.
+public int getDevices(SaneDevice[] deviceList, boolean localOnly)
+	{
+				// Create objects first.
+	for (int i = 0; i < deviceList.length - 1; i++)
+		deviceList[i] = new SaneDevice();
+	return getDevicesNative(deviceList, localOnly);
+	}
+				// Open a device.
+public native int open(String deviceName, int[] handle);
+				// Close a device.
+public native void close(int handle);
+				// Get option descriptor.
+public SaneOption getOptionDescriptor(int handle, int option)
+	{
+	SaneOption opt = new SaneOption();
+	opt.name = null;
+	getOptionNative(handle, option, opt);
+	if (opt.name == null)	// Error?
+		return (null);
+	return (opt);
+	}
+				// Get each type of option:
+public native int getControlOption(int handle, int option, int [] value,
+							int [] info);
+public native int getControlOption(int handle, int option, byte [] value,
+							int [] info);
+				// Set each type of option (SET_VALUE or
+				//  SET_AUTO):
+public native int setControlOption(int handle, int option,
+				int action, int value, int [] info);
+public native int setControlOption(int handle, int option,
+				int action, String value, int [] info);
+public native int getParameters(int handle, SaneParameters params);
+public native int start(int handle);
+public native int read(int handle, byte [] data, 
+					int maxLength, int [] length);
+public native void cancel(int handle);
+public native String strstatus(int status);
+}