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+/* sane - Scanner Access Now Easy.
+
+ Copyright (C) 2002 Frank Zago (sane at zago dot net)
+
+ 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.
+*/
+
+/*
+ $Id$
+*/
+
+/* Commands supported by the scanner. */
+#define SCSI_TEST_UNIT_READY 0x00
+#define SCSI_INQUIRY 0x12
+#define SCSI_SCAN 0x1b
+#define SCSI_SET_WINDOW 0x24
+#define SCSI_READ_10 0x28
+#define SCSI_SEND_10 0x2a
+#define SCSI_REQUEST_SENSE 0x03
+#define SCSI_GET_DATA_BUFFER_STATUS 0x34
+
+typedef struct
+{
+ unsigned char data[16];
+ int len;
+}
+CDB;
+
+
+/* Set a specific bit depending on a boolean.
+ * MKSCSI_BIT(TRUE, 3) will generate 0x08. */
+#define MKSCSI_BIT(bit, pos) ((bit)? 1<<(pos): 0)
+
+/* Set a value in a range of bits.
+ * MKSCSI_I2B(5, 3, 5) will generate 0x28 */
+#define MKSCSI_I2B(bits, pos_b, pos_e) ((bits) << (pos_b) & ((1<<((pos_e)-(pos_b)+1))-1))
+
+/* Store an integer in 2, 3 or 4 byte in an array. */
+#define Ito16(val, buf) { \
+ ((unsigned char *)buf)[0] = ((val) >> 8) & 0xff; \
+ ((unsigned char *)buf)[1] = ((val) >> 0) & 0xff; \
+}
+
+#define Ito24(val, buf) { \
+ ((unsigned char *)buf)[0] = ((val) >> 16) & 0xff; \
+ ((unsigned char *)buf)[1] = ((val) >> 8) & 0xff; \
+ ((unsigned char *)buf)[2] = ((val) >> 0) & 0xff; \
+}
+
+#define Ito32(val, buf) { \
+ ((unsigned char *)buf)[0] = ((val) >> 24) & 0xff; \
+ ((unsigned char *)buf)[1] = ((val) >> 16) & 0xff; \
+ ((unsigned char *)buf)[2] = ((val) >> 8) & 0xff; \
+ ((unsigned char *)buf)[3] = ((val) >> 0) & 0xff; \
+}
+
+#define MKSCSI_GET_DATA_BUFFER_STATUS(cdb, wait, buflen) \
+ cdb.data[0] = SCSI_GET_DATA_BUFFER_STATUS; \
+ cdb.data[1] = MKSCSI_BIT(wait, 0); \
+ cdb.data[2] = 0; \
+ cdb.data[3] = 0; \
+ cdb.data[4] = 0; \
+ cdb.data[5] = 0; \
+ cdb.data[6] = 0; \
+ cdb.data[7] = (((buflen) >> 8) & 0xff); \
+ cdb.data[8] = (((buflen) >> 0) & 0xff); \
+ cdb.data[9] = 0; \
+ cdb.len = 10;
+
+#define MKSCSI_INQUIRY(cdb, buflen) \
+ cdb.data[0] = SCSI_INQUIRY; \
+ cdb.data[1] = 0; \
+ cdb.data[2] = 0; \
+ cdb.data[3] = 0; \
+ cdb.data[4] = buflen; \
+ cdb.data[5] = 0; \
+ cdb.len = 6;
+
+#define MKSCSI_SCAN(cdb) \
+ cdb.data[0] = SCSI_SCAN; \
+ cdb.data[1] = 0; \
+ cdb.data[2] = 0; \
+ cdb.data[3] = 0; \
+ cdb.data[4] = 0; \
+ cdb.data[5] = 0; \
+ cdb.len = 6;
+
+#define MKSCSI_SEND_10(cdb, dtc, dtq, buflen) \
+ cdb.data[0] = SCSI_SEND_10; \
+ cdb.data[1] = 0; \
+ cdb.data[2] = (dtc); \
+ cdb.data[3] = 0; \
+ cdb.data[4] = (((dtq) >> 8) & 0xff); \
+ cdb.data[5] = (((dtq) >> 0) & 0xff); \
+ cdb.data[6] = (((buflen) >> 16) & 0xff); \
+ cdb.data[7] = (((buflen) >> 8) & 0xff); \
+ cdb.data[8] = (((buflen) >> 0) & 0xff); \
+ cdb.data[9] = 0; \
+ cdb.len = 10;
+
+#define MKSCSI_SET_WINDOW(cdb, buflen) \
+ cdb.data[0] = SCSI_SET_WINDOW; \
+ cdb.data[1] = 0; \
+ cdb.data[2] = 0; \
+ cdb.data[3] = 0; \
+ cdb.data[4] = 0; \
+ cdb.data[5] = 0; \
+ cdb.data[6] = (((buflen) >> 16) & 0xff); \
+ cdb.data[7] = (((buflen) >> 8) & 0xff); \
+ cdb.data[8] = (((buflen) >> 0) & 0xff); \
+ cdb.data[9] = 0; \
+ cdb.len = 10;
+
+#define MKSCSI_READ_10(cdb, dtc, dtq, buflen) \
+ cdb.data[0] = SCSI_READ_10; \
+ cdb.data[1] = 0; \
+ cdb.data[2] = (dtc); \
+ cdb.data[3] = 0; \
+ cdb.data[4] = (((dtq) >> 8) & 0xff); \
+ cdb.data[5] = (((dtq) >> 0) & 0xff); \
+ cdb.data[6] = (((buflen) >> 16) & 0xff); \
+ cdb.data[7] = (((buflen) >> 8) & 0xff); \
+ cdb.data[8] = (((buflen) >> 0) & 0xff); \
+ cdb.data[9] = 0; \
+ cdb.len = 10;
+
+#define MKSCSI_REQUEST_SENSE(cdb, buflen) \
+ cdb.data[0] = SCSI_REQUEST_SENSE; \
+ cdb.data[1] = 0; \
+ cdb.data[2] = 0; \
+ cdb.data[3] = 0; \
+ cdb.data[4] = (buflen); \
+ cdb.data[5] = 0; \
+ cdb.len = 6;
+
+#define MKSCSI_TEST_UNIT_READY(cdb) \
+ cdb.data[0] = SCSI_TEST_UNIT_READY; \
+ cdb.data[1] = 0; \
+ cdb.data[2] = 0; \
+ cdb.data[3] = 0; \
+ cdb.data[4] = 0; \
+ cdb.data[5] = 0; \
+ cdb.len = 6;
+
+/*--------------------------------------------------------------------------*/
+
+static int
+getbitfield (unsigned char *pageaddr, int mask, int shift)
+{
+ return ((*pageaddr >> shift) & mask);
+}
+
+/* defines for request sense return block */
+#define get_RS_information_valid(b) getbitfield(b + 0x00, 1, 7)
+#define get_RS_error_code(b) getbitfield(b + 0x00, 0x7f, 0)
+#define get_RS_filemark(b) getbitfield(b + 0x02, 1, 7)
+#define get_RS_EOM(b) getbitfield(b + 0x02, 1, 6)
+#define get_RS_ILI(b) getbitfield(b + 0x02, 1, 5)
+#define get_RS_sense_key(b) getbitfield(b + 0x02, 0x0f, 0)
+#define get_RS_information(b) getnbyte(b+0x03, 4)
+#define get_RS_additional_length(b) b[0x07]
+#define get_RS_ASC(b) b[0x0c]
+#define get_RS_ASCQ(b) b[0x0d]
+#define get_RS_SKSV(b) getbitfield(b+0x0f,1,7)
+
+/*--------------------------------------------------------------------------*/
+
+#define mmToIlu(mm) (((mm) * dev->x_resolution) / MM_PER_INCH)
+#define iluToMm(ilu) (((ilu) * MM_PER_INCH) / dev->x_resolution)
+
+/*--------------------------------------------------------------------------*/
+
+#define GAMMA_LENGTH 0x100 /* number of value per color */
+
+/*--------------------------------------------------------------------------*/
+
+enum Leo_Option
+{
+ /* Must come first */
+ OPT_NUM_OPTS = 0,
+
+ OPT_MODE_GROUP,
+ OPT_MODE, /* scanner modes */
+ OPT_RESOLUTION, /* X and Y resolution */
+
+ OPT_GEOMETRY_GROUP,
+ OPT_TL_X, /* upper left X */
+ OPT_TL_Y, /* upper left Y */
+ OPT_BR_X, /* bottom right X */
+ OPT_BR_Y, /* bottom right Y */
+
+ OPT_ENHANCEMENT_GROUP,
+ OPT_CUSTOM_GAMMA, /* Use the custom gamma tables */
+ OPT_GAMMA_VECTOR_R, /* Custom Red gamma table */
+ OPT_GAMMA_VECTOR_G, /* Custom Green Gamma table */
+ OPT_GAMMA_VECTOR_B, /* Custom Blue Gamma table */
+ OPT_GAMMA_VECTOR_GRAY, /* Custom Gray Gamma table */
+ OPT_HALFTONE_PATTERN, /* Halftone pattern */
+
+ OPT_PREVIEW, /* preview mode */
+
+ /* must come last: */
+ OPT_NUM_OPTIONS
+};
+
+/*--------------------------------------------------------------------------*/
+
+/*
+ * Scanner supported by this backend.
+ */
+struct scanners_supported
+{
+ int scsi_type;
+ char scsi_vendor[9];
+ char scsi_product[17];
+
+ const char *real_vendor;
+ const char *real_product;
+};
+
+/*--------------------------------------------------------------------------*/
+
+#define BLACK_WHITE_STR SANE_VALUE_SCAN_MODE_LINEART
+#define GRAY_STR SANE_VALUE_SCAN_MODE_GRAY
+#define COLOR_STR SANE_VALUE_SCAN_MODE_COLOR
+
+/*--------------------------------------------------------------------------*/
+
+/* Define a scanner occurence. */
+typedef struct Leo_Scanner
+{
+ struct Leo_Scanner *next;
+ SANE_Device sane;
+
+ char *devicename;
+ int sfd; /* device handle */
+
+ /* Infos from inquiry. */
+ char scsi_type;
+ char scsi_vendor[9];
+ char scsi_product[17];
+ char scsi_version[5];
+
+ SANE_Range res_range;
+
+ int x_resolution_max; /* maximum X dpi */
+ int y_resolution_max; /* maximum Y dpi */
+
+ /* SCSI handling */
+ size_t buffer_size; /* size of the buffer */
+ SANE_Byte *buffer; /* for SCSI transfer. */
+
+
+ /* Scanner infos. */
+ const struct scanners_supported *def; /* default options for that scanner */
+
+ /* Scanning handling. */
+ int scanning; /* TRUE if a scan is running. */
+ int x_resolution; /* X resolution in DPI */
+ int y_resolution; /* Y resolution in DPI */
+ int x_tl; /* X top left */
+ int y_tl; /* Y top left */
+ int x_br; /* X bottom right */
+ int y_br; /* Y bottom right */
+ int width; /* width of the scan area in mm */
+ int length; /* length of the scan area in mm */
+ int pass; /* current pass number */
+
+ enum
+ {
+ LEO_BW,
+ LEO_HALFTONE,
+ LEO_GRAYSCALE,
+ LEO_COLOR
+ }
+ scan_mode;
+
+ int depth; /* depth per color */
+
+ size_t bytes_left; /* number of bytes left to give to the backend */
+
+ size_t real_bytes_left; /* number of bytes left the scanner will return. */
+
+ SANE_Byte *image; /* keep the raw image here */
+ size_t image_size; /* allocated size of image */
+ size_t image_begin; /* first significant byte in image */
+ size_t image_end; /* first free byte in image */
+
+ SANE_Parameters params;
+
+ /* Options */
+ SANE_Option_Descriptor opt[OPT_NUM_OPTIONS];
+ Option_Value val[OPT_NUM_OPTIONS];
+
+ /* Gamma table. 1 array per colour. */
+ SANE_Word gamma_R[GAMMA_LENGTH];
+ SANE_Word gamma_G[GAMMA_LENGTH];
+ SANE_Word gamma_B[GAMMA_LENGTH];
+ SANE_Word gamma_GRAY[GAMMA_LENGTH];
+}
+Leo_Scanner;
+
+/*--------------------------------------------------------------------------*/
+
+/* Debug levels.
+ * Should be common to all backends. */
+
+#define DBG_error0 0
+#define DBG_error 1
+#define DBG_sense 2
+#define DBG_warning 3
+#define DBG_inquiry 4
+#define DBG_info 5
+#define DBG_info2 6
+#define DBG_proc 7
+#define DBG_read 8
+#define DBG_sane_init 10
+#define DBG_sane_proc 11
+#define DBG_sane_info 12
+#define DBG_sane_option 13
+
+/*--------------------------------------------------------------------------*/
+
+/* 32 bits from an array to an integer (eg ntohl). */
+#define B32TOI(buf) \
+ ((((unsigned char *)buf)[0] << 24) | \
+ (((unsigned char *)buf)[1] << 16) | \
+ (((unsigned char *)buf)[2] << 8) | \
+ (((unsigned char *)buf)[3] << 0))
+
+#define B24TOI(buf) \
+ ((((unsigned char *)buf)[0] << 16) | \
+ (((unsigned char *)buf)[1] << 8) | \
+ (((unsigned char *)buf)[2] << 0))
+
+#define B16TOI(buf) \
+ ((((unsigned char *)buf)[0] << 8) | \
+ (((unsigned char *)buf)[1] << 0))
+
+/*--------------------------------------------------------------------------*/
+
+/* Downloadable halftone patterns */
+typedef unsigned char halftone_pattern_t[256];
+
+static const halftone_pattern_t haltfone_pattern_diamond = {
+ 0xF0, 0xE0, 0x60, 0x20, 0x00, 0x19, 0x61, 0xD8, 0xF0, 0xE0, 0x60, 0x20,
+ 0x00, 0x19, 0x61, 0xD8,
+ 0xC0, 0xA0, 0x88, 0x40, 0x38, 0x58, 0x80, 0xB8, 0xC0, 0xA0, 0x88, 0x40,
+ 0x38, 0x58, 0x80, 0xB8,
+ 0x30, 0x50, 0x98, 0xB0, 0xC8, 0xA8, 0x90, 0x48, 0x30, 0x50, 0x98, 0xB0,
+ 0xC8, 0xA8, 0x90, 0x48,
+ 0x08, 0x10, 0x70, 0xD0, 0xF8, 0xE8, 0x68, 0x28, 0x08, 0x10, 0x70, 0xD0,
+ 0xF8, 0xE8, 0x68, 0x28,
+ 0x00, 0x18, 0x78, 0xD8, 0xF0, 0xE0, 0x60, 0x20, 0x00, 0x18, 0x78, 0xD8,
+ 0xF0, 0xE0, 0x60, 0x20,
+ 0x38, 0x58, 0x80, 0xB8, 0xC0, 0xA0, 0x88, 0x40, 0x38, 0x58, 0x80, 0xB8,
+ 0xC0, 0xA0, 0x88, 0x40,
+ 0xC8, 0xA8, 0x90, 0x48, 0x30, 0x50, 0x9B, 0xB0, 0xC8, 0xA8, 0x90, 0x48,
+ 0x30, 0x50, 0x9B, 0xB0,
+ 0xF8, 0xE8, 0x68, 0x28, 0x08, 0x18, 0x70, 0xD0, 0xF8, 0xE8, 0x68, 0x28,
+ 0x08, 0x18, 0x70, 0xD0,
+ 0xF0, 0xE0, 0x60, 0x20, 0x00, 0x19, 0x61, 0xD8, 0xF0, 0xE0, 0x60, 0x20,
+ 0x00, 0x19, 0x61, 0xD8,
+ 0xC0, 0xA0, 0x88, 0x40, 0x38, 0x58, 0x80, 0xB8, 0xC0, 0xA0, 0x88, 0x40,
+ 0x38, 0x58, 0x80, 0xB8,
+ 0x30, 0x50, 0x98, 0xB0, 0xC8, 0xA8, 0x90, 0x48, 0x30, 0x50, 0x98, 0xB0,
+ 0xC8, 0xA8, 0x90, 0x48,
+ 0x08, 0x10, 0x70, 0xD0, 0xF8, 0xE8, 0x68, 0x28, 0x08, 0x10, 0x70, 0xD0,
+ 0xF8, 0xE8, 0x68, 0x28,
+ 0x00, 0x18, 0x78, 0xD8, 0xF0, 0xE0, 0x60, 0x20, 0x00, 0x18, 0x78, 0xD8,
+ 0xF0, 0xE0, 0x60, 0x20,
+ 0x38, 0x58, 0x80, 0xB8, 0xC0, 0xA0, 0x88, 0x40, 0x38, 0x58, 0x80, 0xB8,
+ 0xC0, 0xA0, 0x88, 0x40,
+ 0xC8, 0xA8, 0x90, 0x48, 0x30, 0x50, 0x9B, 0xB0, 0xC8, 0xA8, 0x90, 0x48,
+ 0x30, 0x50, 0x9B, 0xB0,
+ 0xF8, 0xE8, 0x68, 0x28, 0x08, 0x18, 0x70, 0xD0, 0xF8, 0xE8, 0x68, 0x28,
+ 0x08, 0x18, 0x70, 0xD0
+};
+
+static const halftone_pattern_t haltfone_pattern_8x8_Coarse_Fatting = {
+ 0x12, 0x3A, 0xD2, 0xEA, 0xE2, 0xB6, 0x52, 0x1A, 0x12, 0x3A, 0xD2, 0xEA,
+ 0xE2, 0xB6, 0x52, 0x1A,
+ 0x42, 0x6A, 0x9A, 0xCA, 0xC2, 0x92, 0x72, 0x4A, 0x42, 0x6A, 0x9A, 0xCA,
+ 0xC2, 0x92, 0x72, 0x4A,
+ 0xAE, 0x8E, 0x7E, 0x26, 0x2E, 0x66, 0x86, 0xA6, 0xAE, 0x8E, 0x7E, 0x26,
+ 0x2E, 0x66, 0x86, 0xA6,
+ 0xFA, 0xBA, 0x5E, 0x06, 0x0E, 0x36, 0xDE, 0xF6, 0xFA, 0xBA, 0x5E, 0x06,
+ 0x0E, 0x36, 0xDE, 0xF6,
+ 0xE6, 0xBE, 0x56, 0x1E, 0x16, 0x3E, 0xD6, 0xEE, 0xE6, 0xBE, 0x56, 0x1E,
+ 0x16, 0x3E, 0xD6, 0xEE,
+ 0xC6, 0x96, 0x76, 0x4E, 0x46, 0x6E, 0x9E, 0xCE, 0xC6, 0x96, 0x76, 0x4E,
+ 0x46, 0x6E, 0x9E, 0xCE,
+ 0x2A, 0x62, 0x82, 0xA2, 0xAA, 0x8A, 0x7A, 0x22, 0x2A, 0x62, 0x82, 0xA2,
+ 0xAA, 0x8A, 0x7A, 0x22,
+ 0x0A, 0x32, 0xDA, 0xF2, 0xFE, 0xB2, 0x5A, 0x02, 0x0A, 0x32, 0xDA, 0xF2,
+ 0xFE, 0xB2, 0x5A, 0x02,
+ 0x12, 0x3A, 0xD2, 0xEA, 0xE2, 0xB6, 0x52, 0x1A, 0x12, 0x3A, 0xD2, 0xEA,
+ 0xE2, 0xB6, 0x52, 0x1A,
+ 0x42, 0x6A, 0x9A, 0xCA, 0xC2, 0x92, 0x72, 0x4A, 0x42, 0x6A, 0x9A, 0xCA,
+ 0xC2, 0x92, 0x72, 0x4A,
+ 0xAE, 0x8E, 0x7E, 0x26, 0x2E, 0x66, 0x86, 0xA6, 0xAE, 0x8E, 0x7E, 0x26,
+ 0x2E, 0x66, 0x86, 0xA6,
+ 0xFA, 0xBA, 0x5E, 0x06, 0x0E, 0x36, 0xDE, 0xF6, 0xFA, 0xBA, 0x5E, 0x06,
+ 0x0E, 0x36, 0xDE, 0xF6,
+ 0xE6, 0xBE, 0x56, 0x1E, 0x16, 0x3E, 0xD6, 0xEE, 0xE6, 0xBE, 0x56, 0x1E,
+ 0x16, 0x3E, 0xD6, 0xEE,
+ 0xC6, 0x96, 0x76, 0x4E, 0x46, 0x6E, 0x9E, 0xCE, 0xC6, 0x96, 0x76, 0x4E,
+ 0x46, 0x6E, 0x9E, 0xCE,
+ 0x2A, 0x62, 0x82, 0xA2, 0xAA, 0x8A, 0x7A, 0x22, 0x2A, 0x62, 0x82, 0xA2,
+ 0xAA, 0x8A, 0x7A, 0x22,
+ 0x0A, 0x32, 0xDA, 0xF2, 0xFE, 0xB2, 0x5A, 0x02, 0x0A, 0x32, 0xDA, 0xF2,
+ 0xFE, 0xB2, 0x5A, 0x02
+};
+
+static const halftone_pattern_t haltfone_pattern_8x8_Fine_Fatting = {
+ 0x02, 0x22, 0x92, 0xB2, 0x0A, 0x2A, 0x9A, 0xBA, 0x02, 0x22, 0x92, 0xB2,
+ 0x0A, 0x2A, 0x9A, 0xBA,
+ 0x42, 0x62, 0xD2, 0xF2, 0x4A, 0x6A, 0xDA, 0xFA, 0x42, 0x62, 0xD2, 0xF2,
+ 0x4A, 0x6A, 0xDA, 0xFA,
+ 0x82, 0xA2, 0x12, 0x32, 0x8A, 0xAA, 0x1A, 0x3A, 0x82, 0xA2, 0x12, 0x32,
+ 0x8A, 0xAA, 0x1A, 0x3A,
+ 0xC2, 0xE2, 0x52, 0x72, 0xCA, 0xEA, 0x5A, 0x7A, 0xC2, 0xE2, 0x52, 0x72,
+ 0xCA, 0xEA, 0x5A, 0x7A,
+ 0x0E, 0x2E, 0x9E, 0xBE, 0x06, 0x26, 0x96, 0xB6, 0x0E, 0x2E, 0x9E, 0xBE,
+ 0x06, 0x26, 0x96, 0xB6,
+ 0x4C, 0x6E, 0xDE, 0xFE, 0x46, 0x66, 0xD6, 0xF6, 0x4C, 0x6E, 0xDE, 0xFE,
+ 0x46, 0x66, 0xD6, 0xF6,
+ 0x8E, 0xAE, 0x1E, 0x3E, 0x86, 0xA6, 0x16, 0x36, 0x8E, 0xAE, 0x1E, 0x3E,
+ 0x86, 0xA6, 0x16, 0x36,
+ 0xCE, 0xEE, 0x60, 0x7E, 0xC6, 0xE6, 0x56, 0x76, 0xCE, 0xEE, 0x60, 0x7E,
+ 0xC6, 0xE6, 0x56, 0x76,
+ 0x02, 0x22, 0x92, 0xB2, 0x0A, 0x2A, 0x9A, 0xBA, 0x02, 0x22, 0x92, 0xB2,
+ 0x0A, 0x2A, 0x9A, 0xBA,
+ 0x42, 0x62, 0xD2, 0xF2, 0x4A, 0x6A, 0xDA, 0xFA, 0x42, 0x62, 0xD2, 0xF2,
+ 0x4A, 0x6A, 0xDA, 0xFA,
+ 0x82, 0xA2, 0x12, 0x32, 0x8A, 0xAA, 0x1A, 0x3A, 0x82, 0xA2, 0x12, 0x32,
+ 0x8A, 0xAA, 0x1A, 0x3A,
+ 0xC2, 0xE2, 0x52, 0x72, 0xCA, 0xEA, 0x5A, 0x7A, 0xC2, 0xE2, 0x52, 0x72,
+ 0xCA, 0xEA, 0x5A, 0x7A,
+ 0x0E, 0x2E, 0x9E, 0xBE, 0x06, 0x26, 0x96, 0xB6, 0x0E, 0x2E, 0x9E, 0xBE,
+ 0x06, 0x26, 0x96, 0xB6,
+ 0x4C, 0x6E, 0xDE, 0xFE, 0x46, 0x66, 0xD6, 0xF6, 0x4C, 0x6E, 0xDE, 0xFE,
+ 0x46, 0x66, 0xD6, 0xF6,
+ 0x8E, 0xAE, 0x1E, 0x3E, 0x86, 0xA6, 0x16, 0x36, 0x8E, 0xAE, 0x1E, 0x3E,
+ 0x86, 0xA6, 0x16, 0x36,
+ 0xCE, 0xEE, 0x60, 0x7E, 0xC6, 0xE6, 0x56, 0x76, 0xCE, 0xEE, 0x60, 0x7E,
+ 0xC6, 0xE6, 0x56, 0x76
+};
+
+static const halftone_pattern_t haltfone_pattern_8x8_Bayer = {
+ 0xF2, 0x42, 0x82, 0xC2, 0xFA, 0x4A, 0x8A, 0xCA, 0xF2, 0x42, 0x82, 0xC2,
+ 0xFA, 0x4A, 0x8A, 0xCA,
+ 0xB2, 0x02, 0x12, 0x52, 0xBA, 0x0A, 0x1A, 0x5A, 0xB2, 0x02, 0x12, 0x52,
+ 0xBA, 0x0A, 0x1A, 0x5A,
+ 0x72, 0x32, 0x22, 0x92, 0x7A, 0x3A, 0x2A, 0x9A, 0x72, 0x32, 0x22, 0x92,
+ 0x7A, 0x3A, 0x2A, 0x9A,
+ 0xE2, 0xA2, 0x62, 0xD2, 0xEA, 0xAA, 0x6A, 0xDA, 0xE2, 0xA2, 0x62, 0xD2,
+ 0xEA, 0xAA, 0x6A, 0xDA,
+ 0xFE, 0x4E, 0x8E, 0xCE, 0xF6, 0x46, 0xD6, 0xC6, 0xFE, 0x4E, 0x8E, 0xCE,
+ 0xF6, 0x46, 0xD6, 0xC6,
+ 0xBE, 0x0E, 0x1E, 0x5E, 0xB6, 0x06, 0x16, 0x56, 0xBE, 0x0E, 0x1E, 0x5E,
+ 0xB6, 0x06, 0x16, 0x56,
+ 0x7E, 0x3E, 0x2E, 0x9E, 0x76, 0x36, 0x26, 0x96, 0x7E, 0x3E, 0x2E, 0x9E,
+ 0x76, 0x36, 0x26, 0x96,
+ 0xEE, 0xAE, 0x6E, 0xDE, 0xE6, 0xA6, 0x66, 0xD6, 0xEE, 0xAE, 0x6E, 0xDE,
+ 0xE6, 0xA6, 0x66, 0xD6,
+ 0xF2, 0x42, 0x82, 0xC2, 0xFA, 0x4A, 0x8A, 0xCA, 0xF2, 0x42, 0x82, 0xC2,
+ 0xFA, 0x4A, 0x8A, 0xCA,
+ 0xB2, 0x02, 0x12, 0x52, 0xBA, 0x0A, 0x1A, 0x5A, 0xB2, 0x02, 0x12, 0x52,
+ 0xBA, 0x0A, 0x1A, 0x5A,
+ 0x72, 0x32, 0x22, 0x92, 0x7A, 0x3A, 0x2A, 0x9A, 0x72, 0x32, 0x22, 0x92,
+ 0x7A, 0x3A, 0x2A, 0x9A,
+ 0xE2, 0xA2, 0x62, 0xD2, 0xEA, 0xAA, 0x6A, 0xDA, 0xE2, 0xA2, 0x62, 0xD2,
+ 0xEA, 0xAA, 0x6A, 0xDA,
+ 0xFE, 0x4E, 0x8E, 0xCE, 0xF6, 0x46, 0xD6, 0xC6, 0xFE, 0x4E, 0x8E, 0xCE,
+ 0xF6, 0x46, 0xD6, 0xC6,
+ 0xBE, 0x0E, 0x1E, 0x5E, 0xB6, 0x06, 0x16, 0x56, 0xBE, 0x0E, 0x1E, 0x5E,
+ 0xB6, 0x06, 0x16, 0x56,
+ 0x7E, 0x3E, 0x2E, 0x9E, 0x76, 0x36, 0x26, 0x96, 0x7E, 0x3E, 0x2E, 0x9E,
+ 0x76, 0x36, 0x26, 0x96,
+ 0xEE, 0xAE, 0x6E, 0xDE, 0xE6, 0xA6, 0x66, 0xD6, 0xEE, 0xAE, 0x6E, 0xDE,
+ 0xE6, 0xA6, 0x66, 0xD6
+};
+
+static const halftone_pattern_t haltfone_pattern_8x8_Vertical_Line = {
+ 0x02, 0x42, 0x82, 0xC4, 0x0A, 0x4C, 0x8A, 0xCA, 0x02, 0x42, 0x82, 0xC4,
+ 0x0A, 0x4C, 0x8A, 0xCA,
+ 0x12, 0x52, 0x92, 0xD2, 0x1A, 0x5A, 0x9A, 0xDA, 0x12, 0x52, 0x92, 0xD2,
+ 0x1A, 0x5A, 0x9A, 0xDA,
+ 0x22, 0x62, 0xA2, 0xE2, 0x2A, 0x6A, 0xAA, 0xEA, 0x22, 0x62, 0xA2, 0xE2,
+ 0x2A, 0x6A, 0xAA, 0xEA,
+ 0x32, 0x72, 0xB2, 0xF2, 0x3A, 0x7A, 0xBA, 0xFA, 0x32, 0x72, 0xB2, 0xF2,
+ 0x3A, 0x7A, 0xBA, 0xFA,
+ 0x0E, 0x4E, 0x8E, 0xCE, 0x06, 0x46, 0x86, 0xC6, 0x0E, 0x4E, 0x8E, 0xCE,
+ 0x06, 0x46, 0x86, 0xC6,
+ 0x1E, 0x5E, 0x9E, 0xDE, 0x16, 0x56, 0x96, 0xD6, 0x1E, 0x5E, 0x9E, 0xDE,
+ 0x16, 0x56, 0x96, 0xD6,
+ 0x2E, 0x6E, 0xAE, 0xEE, 0x26, 0x66, 0xA6, 0xE6, 0x2E, 0x6E, 0xAE, 0xEE,
+ 0x26, 0x66, 0xA6, 0xE6,
+ 0x3E, 0x7E, 0xBE, 0xFE, 0x36, 0x76, 0xB6, 0xF6, 0x3E, 0x7E, 0xBE, 0xFE,
+ 0x36, 0x76, 0xB6, 0xF6,
+ 0x02, 0x42, 0x82, 0xC4, 0x0A, 0x4C, 0x8A, 0xCA, 0x02, 0x42, 0x82, 0xC4,
+ 0x0A, 0x4C, 0x8A, 0xCA,
+ 0x12, 0x52, 0x92, 0xD2, 0x1A, 0x5A, 0x9A, 0xDA, 0x12, 0x52, 0x92, 0xD2,
+ 0x1A, 0x5A, 0x9A, 0xDA,
+ 0x22, 0x62, 0xA2, 0xE2, 0x2A, 0x6A, 0xAA, 0xEA, 0x22, 0x62, 0xA2, 0xE2,
+ 0x2A, 0x6A, 0xAA, 0xEA,
+ 0x32, 0x72, 0xB2, 0xF2, 0x3A, 0x7A, 0xBA, 0xFA, 0x32, 0x72, 0xB2, 0xF2,
+ 0x3A, 0x7A, 0xBA, 0xFA,
+ 0x0E, 0x4E, 0x8E, 0xCE, 0x06, 0x46, 0x86, 0xC6, 0x0E, 0x4E, 0x8E, 0xCE,
+ 0x06, 0x46, 0x86, 0xC6,
+ 0x1E, 0x5E, 0x9E, 0xDE, 0x16, 0x56, 0x96, 0xD6, 0x1E, 0x5E, 0x9E, 0xDE,
+ 0x16, 0x56, 0x96, 0xD6,
+ 0x2E, 0x6E, 0xAE, 0xEE, 0x26, 0x66, 0xA6, 0xE6, 0x2E, 0x6E, 0xAE, 0xEE,
+ 0x26, 0x66, 0xA6, 0xE6,
+ 0x3E, 0x7E, 0xBE, 0xFE, 0x36, 0x76, 0xB6, 0xF6, 0x3E, 0x7E, 0xBE, 0xFE,
+ 0x36, 0x76, 0xB6, 0xF6
+};