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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/st400.h
Initial import of sane-backends version 1.0.24-1.2
Diffstat (limited to 'backend/st400.h')
-rw-r--r--backend/st400.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/backend/st400.h b/backend/st400.h
new file mode 100644
index 0000000..246ba80
--- /dev/null
+++ b/backend/st400.h
@@ -0,0 +1,79 @@
+#ifndef st400_h
+#define st400_h
+
+#define ST400_CONFIG_FILE "st400.conf"
+#define ST400_DEFAULT_DEVICE "/dev/scanner"
+
+/* maximum scanning area in inch (guessed) */
+#define ST400_MAX_X 8.5
+#define ST400_MAX_Y 12.0
+
+enum ST400_Option {
+ OPT_NUM_OPTS = 0,
+
+ OPT_MODE_GROUP,
+ OPT_RESOLUTION,
+ OPT_DEPTH,
+ OPT_THRESHOLD,
+
+ OPT_GEOMETRY_GROUP,
+ OPT_TL_X,
+ OPT_TL_Y,
+ OPT_BR_X,
+ OPT_BR_Y,
+
+ NUM_OPTIONS /* must be last */
+};
+
+typedef struct {
+ size_t inq_voffset; /* offset in INQUIRY result */
+ char *inq_vendor;
+ size_t inq_moffset; /* offset in INQUIRY result */
+ char *inq_model;
+
+ size_t bits; /* 6 or 8 */
+ unsigned long bufsize; /* internal buffer of scanner */
+ unsigned long maxread; /* max bytes to read in a cmd (0 = no limit) */
+ SANE_Int *dpi_list; /* NULL for default list */
+
+ char *sane_vendor;
+ char *sane_model;
+ char *sane_type;
+} ST400_Model;
+
+
+typedef struct ST400_Device {
+ struct ST400_Device *next;
+
+ SANE_Device sane;
+ SANE_Parameters params;
+ SANE_Option_Descriptor opt[NUM_OPTIONS];
+ SANE_Word val[NUM_OPTIONS];
+
+ struct {
+ unsigned open :1;
+ unsigned scanning :1;
+ unsigned eof :1;
+ } status;
+
+ /* pixel values of entire scan window - for convenience */
+ unsigned short x, y, w, h;
+
+ int fd; /* SCSI filedescriptor */
+
+ /* backend buffer */
+ SANE_Byte *buffer;
+ size_t bufsize;
+ SANE_Byte *bufp; /* next byte to transfer */
+ size_t bytes_in_buffer;
+
+ ST400_Model *model;
+
+ /* scanner buffer */
+ unsigned short wy, wh; /* current subwindow */
+ unsigned long bytes_in_scanner;
+ unsigned short lines_to_read;
+} ST400_Device;
+
+#endif /* st400_h */
+/* The End */