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4.6 Printer functions

Data type: void * stp_printer_t

This is an opaque data type, whose structure is not visible to the user.

Function: int stp_known_printers (void)
Function: const stp_printer_t stp_get_printer_by_index (int idx)
Function: const char * stp_printer_get_long_name (const stp_printer_t p)
Function: const stp_printer_t stp_get_printer_by_long_name (const char *long_name)
Function: const stp_printer_t stp_get_printer_by_driver (const char *driver)
Function: int stp_get_printer_index_by_driver (const char *driver)
Function: const char * stp_printer_get_driver (const stp_printer_t p)
Function: int stp_printer_get_model (const stp_printer_t p)
Function: const stp_printfuncs_t * stp_printer_get_printfuncs (const stp_printer_t p)
Data type: stp_printfuncs_t
 
typedef struct
{
  char  **(*parameters)(const stp_printer_t printer,
                        const char *ppd_file,
                        const char *name, int *count);
  void  (*media_size)(const stp_printer_t printer,
                      const stp_vars_t v, int *width,
                      int *height);
  void  (*imageable_area)(const stp_printer_t printer,
                          const stp_vars_t v,
                          int *left, int *right,
                          int *bottom, int *top);
  void  (*limit)(const stp_printer_t printer,
                 const stp_vars_t v,
                 int *width, int *height);
  void  (*print)(const stp_printer_t printer,
                 stp_image_t *image, const stp_vars_t v);
  const char *(*default_parameters)(const stp_printer_t printer,
                                    const char *ppd_file,
                                    const char *name);
  void  (*describe_resolution)(const stp_printer_t printer,
                               const char *resolution,
                               int *x, int *y);
  int   (*verify)(const stp_printer_t p, const stp_vars_t v);
} stp_printfuncs_t;
Data type: stp_image_t
 
typedef struct stp_image
{
  void (*init)(struct stp_image *image);
  void (*reset)(struct stp_image *image);
  void (*transpose)(struct stp_image *image);
  void (*hflip)(struct stp_image *image);
  void (*vflip)(struct stp_image *image);
  void (*crop)(struct stp_image *image,
               int left, int top, int right,
               int bottom);
  void (*rotate_ccw)(struct stp_image *image);
  void (*rotate_cw)(struct stp_image *image);
  void (*rotate_180)(struct stp_image *image);
  int  (*bpp)(struct stp_image *image);
  int  (*width)(struct stp_image *image);
  int  (*height)(struct stp_image *image);
  void (*get_row)(struct stp_image *image,
        unsigned char *data, int row);
  const char *(*get_appname)(struct stp_image *image);
  void (*progress_init)(struct stp_image *image);
  void (*note_progress)(struct stp_image *image,
        double current, double total);
  void (*progress_conclude)(struct stp_image *image);
  void *rep;
} stp_image_t;

This is an abstract data type for interfacing with the program which created the image.

Function: const stp_vars_t stp_printer_get_printvars (const stp_printer_t p)

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