diff options
Diffstat (limited to 'backend/kodak.h')
| -rw-r--r-- | backend/kodak.h | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/backend/kodak.h b/backend/kodak.h new file mode 100644 index 0000000..ea2a3e4 --- /dev/null +++ b/backend/kodak.h @@ -0,0 +1,272 @@ +#ifndef KODAK_H +#define KODAK_H + +/* + * Part of SANE - Scanner Access Now Easy. + * Please see opening comment in kodak.c + */ + +/* ------------------------------------------------------------------------- + * This option list has to contain all options for all scanners supported by + * this driver. If a certain scanner cannot handle a certain option, there's + * still the possibility to say so, later. + */ +enum kodak_Option +{ + OPT_NUM_OPTS = 0, + + OPT_MODE_GROUP, + OPT_SOURCE, /*front/back/duplex*/ + OPT_MODE, /*mono/ht/gray/color*/ + OPT_RES, + + OPT_GEOMETRY_GROUP, + OPT_TL_X, + OPT_TL_Y, + OPT_BR_X, + OPT_BR_Y, + OPT_PAGE_WIDTH, + OPT_PAGE_HEIGHT, + + OPT_ENHANCEMENT_GROUP, + OPT_BRIGHTNESS, + OPT_CONTRAST, + OPT_THRESHOLD, + OPT_RIF, + + /* must come last: */ + NUM_OPTIONS +}; + +struct scanner +{ + /* --------------------------------------------------------------------- */ + /* immutable values which are set during init of scanner. */ + struct scanner *next; + char *device_name; /* The name of the scanner device for sane */ + + /* --------------------------------------------------------------------- */ + /* immutable values which are set during reading of config file. */ + int buffer_size; + + /* --------------------------------------------------------------------- */ + /* immutable values which are set during inquiry probing of the scanner. */ + /* members in order found in scsi data... */ + SANE_Device sane; + + char vendor_name[9]; /* null-term data returned by SCSI inquiry.*/ + char product_name[17]; /* null-term data returned by SCSI inquiry.*/ + char version_name[5]; /* null-term data returned by SCSI inquiry.*/ + char build_name[3]; /* null-term data returned by SCSI inquiry.*/ + + /* --------------------------------------------------------------------- */ + /* immutable values which are set during INQUIRY probing of the scanner, */ + /* or in the init_model cleanup routine... */ + + /* which modes scanner has */ + int s_mode[4]; + + /* min and max resolution for each mode */ + int s_res_min[4]; + int s_res_max[4]; + + /* in 1/1200th inches, NOT sane units */ + int s_width_min; + int s_width_max; + int s_length_min; + int s_length_max; + + int s_brightness_steps; + int s_contrast_steps; + int s_threshold_steps; + int s_rif; + + /* --------------------------------------------------------------------- */ + /* changeable SANE_Option structs provide our interface to frontend. */ + /* some options require lists of strings or numbers, we keep them here */ + /* instead of in global vars so that they can differ for each scanner */ + + /* long array of option structs */ + SANE_Option_Descriptor opt[NUM_OPTIONS]; + + /*mode group*/ + SANE_String_Const o_source_list[4]; + SANE_String_Const o_mode_list[5]; + SANE_Int o_res_list[4][6]; + + /*geometry group*/ + SANE_Range o_tl_x_range; + SANE_Range o_tl_y_range; + SANE_Range o_br_x_range; + SANE_Range o_br_y_range; + SANE_Range o_page_x_range; + SANE_Range o_page_y_range; + + /*enhancement group*/ + SANE_Range o_brightness_range; + SANE_Range o_contrast_range; + SANE_Range o_threshold_range; + + /* --------------------------------------------------------------------- */ + /* changeable vars to hold user input. modified by SANE_Options above */ + + /*mode group*/ + int u_mode; /* color,lineart,etc */ + int u_source; /* adf front,adf duplex,etc */ + int u_res; /* resolution in dpi */ + + /*geometry group*/ + /* The desired size of the scan, all in 1/1200 inch */ + int u_tl_x; + int u_tl_y; + int u_br_x; + int u_br_y; + int u_page_width; + int u_page_height; + + /*enhancement group*/ + int u_brightness; + int u_contrast; + int u_threshold; + int u_rif; + int u_compr; + + /* --------------------------------------------------------------------- */ + /* values which are set by the scanner's post-scan image header */ + int i_bytes; + int i_id; + int i_dpi; + int i_tlx; + int i_tly; + int i_width; + int i_length; + int i_bpp; + int i_compr; + + /* --------------------------------------------------------------------- */ + /* values which are set by scanning functions to keep track of pages, etc */ + int started; + + /* total to read/write */ + int bytes_tot; + + /* how far we have read */ + int bytes_rx; + + /* how far we have written */ + int bytes_tx; + + /* size of buffer */ + int bytes_buf; + + /* the buffer */ + unsigned char * buffer; + + /* --------------------------------------------------------------------- */ + /* values which used by the command and data sending functions (scsi/usb)*/ + int fd; /* The scanner device file descriptor. */ + size_t rs_info; + +}; + +#define DEFAULT_BUFFER_SIZE 32768 + +#define SIDE_FRONT 0 +#define SIDE_BACK 1 + +#define SOURCE_ADF_FRONT 0 +#define SOURCE_ADF_BACK 1 +#define SOURCE_ADF_DUPLEX 2 + +#define MODE_LINEART 0 +#define MODE_HALFTONE 1 +#define MODE_GRAYSCALE 2 +#define MODE_COLOR 3 + +/* ------------------------------------------------------------------------- */ + +#define MM_PER_INCH 25.4 +#define MM_PER_UNIT_UNFIX SANE_UNFIX(SANE_FIX(MM_PER_INCH / 1200.0)) +#define MM_PER_UNIT_FIX SANE_FIX(SANE_UNFIX(SANE_FIX(MM_PER_INCH / 1200.0))) + +#define SCANNER_UNIT_TO_FIXED_MM(number) SANE_FIX((number) * MM_PER_UNIT_UNFIX) +#define FIXED_MM_TO_SCANNER_UNIT(number) SANE_UNFIX(number) / MM_PER_UNIT_UNFIX + +#define KODAK_CONFIG_FILE "kodak.conf" + +#ifndef PATH_MAX +# define PATH_MAX 1024 +#endif + +/* ------------------------------------------------------------------------- */ + +SANE_Status sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize); + +SANE_Status sane_get_devices (const SANE_Device *** device_list, + SANE_Bool local_only); + +SANE_Status sane_open (SANE_String_Const name, SANE_Handle * handle); + +SANE_Status sane_set_io_mode (SANE_Handle h, SANE_Bool non_blocking); + +SANE_Status sane_get_select_fd (SANE_Handle h, SANE_Int * fdp); + +const SANE_Option_Descriptor * sane_get_option_descriptor (SANE_Handle handle, + SANE_Int option); + +SANE_Status sane_control_option (SANE_Handle handle, SANE_Int option, + SANE_Action action, void *val, + SANE_Int * info); + +SANE_Status sane_start (SANE_Handle handle); + +SANE_Status sane_get_parameters (SANE_Handle handle, + SANE_Parameters * params); + +SANE_Status sane_read (SANE_Handle handle, SANE_Byte * buf, SANE_Int max_len, + SANE_Int * len); + +void sane_cancel (SANE_Handle h); + +void sane_close (SANE_Handle h); + +void sane_exit (void); + +/* ------------------------------------------------------------------------- */ + +static SANE_Status attach_one (const char *name); +static SANE_Status connect_fd (struct scanner *s); +static SANE_Status disconnect_fd (struct scanner *s); +static SANE_Status sense_handler (int scsi_fd, u_char * result, void *arg); + +static SANE_Status init_inquire (struct scanner *s); +static SANE_Status init_model (struct scanner *s); +static SANE_Status init_user (struct scanner *s); +static SANE_Status init_options (struct scanner *s); + +static SANE_Status +do_cmd(struct scanner *s, int runRS, int shortTime, + unsigned char * cmdBuff, size_t cmdLen, + unsigned char * outBuff, size_t outLen, + unsigned char * inBuff, size_t * inLen +); + +#if 0 /* unused */ +static SANE_Status wait_scanner (struct scanner *s); +#endif + +static SANE_Status do_cancel (struct scanner *scanner); + +static SANE_Status set_window (struct scanner *s); +static SANE_Status read_imageheader(struct scanner *s); +static SANE_Status send_sc(struct scanner *s); + +static SANE_Status read_from_scanner(struct scanner *s); +static SANE_Status copy_buffer(struct scanner *s, unsigned char * buf, int len); +static SANE_Status read_from_buffer(struct scanner *s, SANE_Byte * buf, SANE_Int max_len, SANE_Int * len); + +static void hexdump (int level, char *comment, unsigned char *p, int l); + +static size_t maxStringSize (const SANE_String_Const strings[]); + +#endif /* KODAK_H */ |