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authorJörg Frings-Fürst <debian@jff-webhosting.net>2020-02-02 17:13:01 +0100
committerJörg Frings-Fürst <debian@jff-webhosting.net>2020-02-02 17:13:01 +0100
commitffa8801644a7d53cc1c785e3450f794c07a14eb0 (patch)
tree8d72a18a9a08b9151d12badcb1c78ce06a059f62 /backend/escl/escl.h
parent1687222e1b9e74c89cafbb5910e72d8ec7bfd40f (diff)
New upstream version 1.0.29upstream/1.0.29
Diffstat (limited to 'backend/escl/escl.h')
-rw-r--r--backend/escl/escl.h171
1 files changed, 171 insertions, 0 deletions
diff --git a/backend/escl/escl.h b/backend/escl/escl.h
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+/* sane - Scanner Access Now Easy.
+
+ Copyright (C) 2019 Touboul Nathane
+ Copyright (C) 2019 Thierry HUCHARD <thierry@ordissimo.com>
+
+ This file is part of the SANE package.
+
+ SANE 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 3 of the License, or (at your
+ option) any later version.
+
+ SANE 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 sane; see the file COPYING. If not, write to the Free
+ Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ This file implements a SANE backend for eSCL scanners. */
+
+
+#ifndef __ESCL_H__
+#define __ESCL_H__
+
+#include "../include/sane/config.h"
+
+#if !(HAVE_LIBCURL && defined(WITH_AVAHI) && defined(HAVE_LIBXML2))
+#error "The escl backend requires libcurl, libavahi and libxml2"
+#endif
+
+#ifndef HAVE_LIBJPEG
+/* FIXME: Make JPEG support optional.
+ Support for PNG and PDF is to be added later but currently only
+ JPEG is supported. Absence of JPEG support makes the backend a
+ no-op at present.
+ */
+#error "The escl backend currently requires libjpeg"
+#endif
+
+#include "../include/sane/sane.h"
+
+#include <stdio.h>
+
+#ifndef BACKEND_NAME
+#define BACKEND_NAME escl
+#endif
+
+#define DEBUG_NOT_STATIC
+#include "../include/sane/sanei_debug.h"
+
+#ifndef DBG_LEVEL
+#define DBG_LEVEL PASTE(sanei_debug_, BACKEND_NAME)
+#endif
+#ifndef NDEBUG
+# define DBGDUMP(level, buf, size) \
+ do { if (DBG_LEVEL >= (level)) sanei_escl_dbgdump(buf, size); } while (0)
+#else
+# define DBGDUMP(level, buf, size)
+#endif
+
+#define ESCL_CONFIG_FILE "escl.conf"
+
+typedef struct {
+ int p1_0;
+ int p2_0;
+ int p3_3;
+ int DocumentType;
+ int p4_0;
+ int p5_0;
+ int p6_1;
+ int reserve[11];
+} ESCL_SCANOPTS;
+
+
+typedef struct ESCL_Device {
+ struct ESCL_Device *next;
+
+ char *model_name;
+ int port_nb;
+ char *ip_address;
+ char *type;
+} ESCL_Device;
+
+typedef struct capabilities
+{
+ int height;
+ int width;
+ int pos_x;
+ int pos_y;
+ SANE_String default_color;
+ SANE_String default_format;
+ SANE_Int default_resolution;
+ int MinWidth;
+ int MaxWidth;
+ int MinHeight;
+ int MaxHeight;
+ int MaxScanRegions;
+ SANE_String_Const *ColorModes;
+ int ColorModesSize;
+ SANE_String_Const *ContentTypes;
+ int ContentTypesSize;
+ SANE_String_Const *DocumentFormats;
+ int DocumentFormatsSize;
+ SANE_Int *SupportedResolutions;
+ int SupportedResolutionsSize;
+ SANE_String_Const *SupportedIntents;
+ int SupportedIntentsSize;
+ SANE_String_Const SupportedIntentDefault;
+ int MaxOpticalXResolution;
+ int RiskyLeftMargin;
+ int RiskyRightMargin;
+ int RiskyTopMargin;
+ int RiskyBottomMargin;
+ FILE *tmp;
+ unsigned char *img_data;
+ long img_size;
+ long img_read;
+ int format_ext;
+} capabilities_t;
+
+typedef struct {
+ int XRes;
+ int YRes;
+ int Left;
+ int Top;
+ int Right;
+ int Bottom;
+ int ScanMode;
+ int ScanMethod;
+ ESCL_SCANOPTS opts;
+} ESCL_ScanParam;
+
+
+enum
+{
+ OPT_NUM_OPTS = 0,
+ OPT_MODE_GROUP,
+ OPT_MODE,
+ OPT_RESOLUTION,
+ OPT_PREVIEW,
+ OPT_GRAY_PREVIEW,
+
+ OPT_GEOMETRY_GROUP,
+ OPT_TL_X,
+ OPT_TL_Y,
+ OPT_BR_X,
+ OPT_BR_Y,
+ NUM_OPTIONS
+};
+
+ESCL_Device *escl_devices(SANE_Status *status);
+SANE_Status escl_device_add(int port_nb, const char *model_name, char *ip_address, char *type);
+SANE_Status escl_status(SANE_String_Const name);
+capabilities_t *escl_capabilities(SANE_String_Const name, SANE_Status *status);
+char *escl_newjob(capabilities_t *scanner, SANE_String_Const name, SANE_Status *status);
+SANE_Status escl_scan(capabilities_t *scanner, SANE_String_Const name, char *result);
+void escl_scanner(SANE_String_Const name, char *result);
+
+// JPEG
+SANE_Status get_JPEG_data(capabilities_t *scanner, int *w, int *h, int *bps);
+
+// PNG
+SANE_Status get_PNG_data(capabilities_t *scanner, int *w, int *h, int *bps);
+
+// TIFF
+SANE_Status get_TIFF_data(capabilities_t *scanner, int *w, int *h, int *bps);
+
+#endif