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Diffstat (limited to 'backend/escl/escl.h')
| -rw-r--r-- | backend/escl/escl.h | 171 |
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 |