Merge branch 'feature/upstream' into develop

1 files changed, 171 insertions, 0 deletions

diff --git a/backend/escl/escl.h b/backend/escl/escl.h
new file mode 100644
index 0000000..82910bd
--- /dev/null
+++ b/backend/escl/escl.h
@@ -0,0 +1,171 @@
+/* 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