src/hid/lpr/lpr.c

   1 /* $Id$ */
   2
   3 #ifdef HAVE_CONFIG_H
   4 #include "config.h"
   5 #endif
   6
   7 #include <stdio.h>
   8 #include <stdarg.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <assert.h>
  12
  13 #include "global.h"
  14 #include "data.h"
  15 #include "misc.h"
  16
  17 #include "hid.h"
  18 #include "../hidint.h"
  19 #include "../ps/ps.h"
  20
  21 #ifdef HAVE_LIBDMALLOC
  22 #include <dmalloc.h>
  23 #endif
  24
  25 RCSID ("$Id$");
  26
  27 #define CRASH fprintf(stderr, "HID error: pcb called unimplemented PS function %s.\n", __FUNCTION__); abort()
  28
  29 static HID_Attribute base_lpr_options[] = {
  30   {"lprcommand", "Command to print",
  31    HID_String, 0, 0, {0, 0, 0}, 0, 0},
  32 #define HA_lprcommand 0
  33 };
  34
  35 #define NUM_OPTIONS (sizeof(lpr_options)/sizeof(lpr_options[0]))
  36
  37 static HID_Attribute *lpr_options = 0;
  38 static int num_lpr_options = 0;
  39 static HID_Attr_Val *lpr_values;
  40
  41 static HID_Attribute *
  42 lpr_get_export_options (int *n)
  43 {
  44   /*
  45    * We initialize the default value in this manner because the GUI
  46    * HID's may want to free() this string value and replace it with a
  47    * new one based on how a user fills out a print dialog.
  48    */
  49   if (base_lpr_options[HA_lprcommand].default_val.str_value == NULL)
  50     {
  51       base_lpr_options[HA_lprcommand].default_val.str_value = strdup("lpr");
  52     }
  53
  54   if (lpr_options == 0)
  55     {
  56       HID_Attribute *ps_opts = ps_hid.get_export_options (&num_lpr_options);
  57       lpr_options =
  58         (HID_Attribute *) calloc (num_lpr_options, sizeof (HID_Attribute));
  59       memcpy (lpr_options, ps_opts, num_lpr_options * sizeof (HID_Attribute));
  60       memcpy (lpr_options, base_lpr_options, sizeof (base_lpr_options));
  61       lpr_values =
  62         (HID_Attr_Val *) calloc (num_lpr_options, sizeof (HID_Attr_Val));
  63     }
  64   if (n)
  65     *n = num_lpr_options;
  66   return lpr_options;
  67 }
  68
  69 static void
  70 lpr_do_export (HID_Attr_Val * options)
  71 {
  72   FILE *f;
  73   int i;
  74   char *filename;
  75
  76   if (!options)
  77     {
  78       lpr_get_export_options (0);
  79       for (i = 0; i < num_lpr_options; i++)
  80         lpr_values[i] = lpr_options[i].default_val;
  81       options = lpr_values;
  82     }
  83
  84   filename = options[HA_lprcommand].str_value;
  85
  86   printf ("LPR: open %s\n", filename);
  87   f = popen (filename, "w");
  88   if (!f)
  89     {
  90       perror (filename);
  91       return;
  92     }
  93
  94   ps_start_file (f);
  95   ps_hid_export_to_file (f, options);
  96
  97   fclose (f);
  98 }
  99
 100 extern void hid_parse_command_line (int *argc, char ***argv);
 101
 102 static void
 103 lpr_parse_arguments (int *argc, char ***argv)
 104 {
 105   lpr_get_export_options (0);
 106   hid_register_attributes (lpr_options, num_lpr_options);
 107   hid_parse_command_line (argc, argv);
 108 }
 109
 110 static void
 111 lpr_calibrate (double xval, double yval)
 112 {
 113   ps_calibrate_1 (xval, yval, 1);
 114 }
 115
 116 HID lpr_hid = {
 117   sizeof (HID),
 118   "lpr",
 119   "Postscript print.",
 120   0, 1, 0, 1, 0, 0,
 121   lpr_get_export_options,
 122   lpr_do_export,
 123   lpr_parse_arguments,
 124   0 /* lpr_invalidate_wh */ ,
 125   0 /* lpr_invalidate_lr */ ,
 126   0 /* lpr_invalidate_all */ ,
 127   0 /* lpr_set_layer */ ,
 128   0 /* lpr_make_gc */ ,
 129   0 /* lpr_destroy_gc */ ,
 130   0 /* lpr_use_mask */ ,
 131   0 /* lpr_set_color */ ,
 132   0 /* lpr_set_line_cap */ ,
 133   0 /* lpr_set_line_width */ ,
 134   0 /* lpr_set_draw_xor */ ,
 135   0 /* lpr_set_draw_faded */ ,
 136   0 /* lpr_set_line_cap_angle */ ,
 137   0 /* lpr_draw_line */ ,
 138   0 /* lpr_draw_arc */ ,
 139   0 /* lpr_draw_rect */ ,
 140   0 /* lpr_fill_circle */ ,
 141   0 /* lpr_fill_polygon */ ,
 142   0 /* lpr_fill_rect */ ,
 143   lpr_calibrate,
 144   0 /* lpr_shift_is_pressed */ ,
 145   0 /* lpr_control_is_pressed */ ,
 146   0 /* lpr_get_coords */ ,
 147   0 /* lpr_set_crosshair */ ,
 148   0 /* lpr_add_timer */ ,
 149   0 /* lpr_stop_timer */ ,
 150   0 /* lpr_log */ ,
 151   0 /* lpr_logv */ ,
 152   0 /* lpr_confirm_dialog */ ,
 153   0 /* lpr_report_dialog */ ,
 154   0 /* lpr_prompt_for */ ,
 155   0 /* lpr_attribute_dialog */ ,
 156   0 /* lpr_show_item */ ,
 157   0 /* lpr_beep */ ,
 158   0 /* lpr_progress */
 159 };
 160
 161 void
 162 hid_lpr_init ()
 163 {
 164   apply_default_hid (&lpr_hid, &ps_hid);
 165   apply_default_hid (&lpr_hid, 0);
 166   hid_register_hid (&lpr_hid);
 167 }