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src/main/print-escp2.c

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00001 /*
00002  * "$Id: print-escp2.c,v 1.326 2004/08/25 11:31:59 rlk Exp $"
00003  *
00004  *   Print plug-in EPSON ESC/P2 driver for the GIMP.
00005  *
00006  *   Copyright 1997-2000 Michael Sweet (mike@easysw.com) and
00007  *      Robert Krawitz (rlk@alum.mit.edu)
00008  *
00009  *   This program is free software; you can redistribute it and/or modify it
00010  *   under the terms of the GNU General Public License as published by the Free
00011  *   Software Foundation; either version 2 of the License, or (at your option)
00012  *   any later version.
00013  *
00014  *   This program is distributed in the hope that it will be useful, but
00015  *   WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
00016  *   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
00017  *   for more details.
00018  *
00019  *   You should have received a copy of the GNU General Public License
00020  *   along with this program; if not, write to the Free Software
00021  *   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00022  */
00023 
00024 /*
00025  * This file must include only standard C header files.  The core code must
00026  * compile on generic platforms that don't support glib, gimp, gtk, etc.
00027  */
00028 
00029 #ifdef HAVE_CONFIG_H
00030 #include <config.h>
00031 #endif
00032 #include <gimp-print/gimp-print.h>
00033 #include <gimp-print/gimp-print-intl-internal.h>
00034 #include "gimp-print-internal.h"
00035 #include <string.h>
00036 #include <assert.h>
00037 #include <math.h>
00038 #include "print-escp2.h"
00039 
00040 #ifdef __GNUC__
00041 #define inline __inline__
00042 #endif
00043 
00044 #define OP_JOB_START 1
00045 #define OP_JOB_PRINT 2
00046 #define OP_JOB_END   4
00047 
00048 #define MAX(a, b) ((a) > (b) ? (a) : (b))
00049 
00050 typedef struct
00051 {
00052   const char *attr_name;
00053   short bit_shift;
00054   short bit_width;
00055 } escp2_printer_attr_t;
00056 
00057 static const escp2_printer_attr_t escp2_printer_attrs[] =
00058 {
00059   { "command_mode",             0, 4 },
00060   { "horizontal_zero_margin",   4, 1 },
00061   { "rollfeed",                 5, 1 },
00062   { "variable_mode",            6, 1 },
00063   { "graymode",                 7, 1 },
00064   { "vacuum",                   8, 1 },
00065   { "fast_360",                 9, 1 },
00066   { "send_zero_advance",       10, 1 },
00067   { "supports_ink_change",     11, 1 },
00068   { "packet_mode",             12, 1 },
00069   { "print_to_cd",             13, 1 },
00070 };
00071 
00072 typedef struct
00073 {
00074   unsigned count;
00075   const char *name;
00076 } channel_count_t;
00077 
00078 static const channel_count_t escp2_channel_counts[] =
00079 {
00080   { 1,  "1" },
00081   { 2,  "2" },
00082   { 3,  "3" },
00083   { 4,  "4" },
00084   { 5,  "5" },
00085   { 6,  "6" },
00086   { 7,  "7" },
00087   { 8,  "8" },
00088   { 9,  "9" },
00089   { 10, "10" },
00090   { 11, "11" },
00091   { 12, "12" },
00092   { 13, "13" },
00093   { 14, "14" },
00094   { 15, "15" },
00095   { 16, "16" },
00096   { 17, "17" },
00097   { 18, "18" },
00098   { 19, "19" },
00099   { 20, "20" },
00100   { 21, "21" },
00101   { 22, "22" },
00102   { 23, "23" },
00103   { 24, "24" },
00104   { 25, "25" },
00105   { 26, "26" },
00106   { 27, "27" },
00107   { 28, "28" },
00108   { 29, "29" },
00109   { 30, "30" },
00110   { 31, "31" },
00111   { 32, "32" },
00112 };
00113 
00114 static int escp2_channel_counts_count =
00115 sizeof(escp2_channel_counts) / sizeof(channel_count_t);
00116 
00117 static const double ink_darknesses[] =
00118 {
00119   1.0, 0.31 / .4, 0.61 / .96, 0.08, 0.31 * 0.33 / .4, 0.61 * 0.33 / .96, 0.33, 1.0
00120 };
00121 
00122 #define INCH(x)         (72 * x)
00123 
00124 static const res_t *escp2_find_resolution(const stp_vars_t *v);
00125 
00126 #define PARAMETER_INT(s)                                                \
00127 {                                                                       \
00128   "escp2_" #s, "escp2_" #s, N_("Advanced Printer Functionality"), NULL, \
00129   STP_PARAMETER_TYPE_INT, STP_PARAMETER_CLASS_FEATURE,                  \
00130   STP_PARAMETER_LEVEL_INTERNAL, 0, 1, -1, 1, 0                          \
00131 }
00132 
00133 #define PARAMETER_INT_RO(s)                                             \
00134 {                                                                       \
00135   "escp2_" #s, "escp2_" #s, N_("Advanced Printer Functionality"), NULL, \
00136   STP_PARAMETER_TYPE_INT, STP_PARAMETER_CLASS_FEATURE,                  \
00137   STP_PARAMETER_LEVEL_INTERNAL, 0, 1, -1, 1, 1                          \
00138 }
00139 
00140 #define PARAMETER_RAW(s)                                                \
00141 {                                                                       \
00142   "escp2_" #s, "escp2_" #s, N_("Advanced Printer Functionality"), NULL, \
00143   STP_PARAMETER_TYPE_RAW, STP_PARAMETER_CLASS_FEATURE,                  \
00144   STP_PARAMETER_LEVEL_INTERNAL, 0, 1, -1, 1, 0                          \
00145 }
00146 
00147 typedef struct
00148 {
00149   const stp_parameter_t param;
00150   double min;
00151   double max;
00152   double defval;
00153   int color_only;
00154 } float_param_t;
00155 
00156 static const stp_parameter_t the_parameters[] =
00157 {
00158 #if 0
00159   {
00160     "AutoMode", N_("Automatic Printing Mode"), N_("Basic Output Adjustment"),
00161     N_("Automatic printing mode"),
00162     STP_PARAMETER_TYPE_STRING_LIST, STP_PARAMETER_CLASS_FEATURE,
00163     STP_PARAMETER_LEVEL_BASIC, 1, 1, -1, 1, 0
00164   },
00165 #endif
00166   /*
00167    * Don't check this parameter.  We may offer different settings for
00168    * different papers, but we need to be able to handle settings from PPD
00169    * files that don't have constraints set up.
00170    */
00171   {
00172     "Quality", N_("Print Quality"), N_("Basic Output Adjustment"),
00173     N_("Print Quality"),
00174     STP_PARAMETER_TYPE_STRING_LIST, STP_PARAMETER_CLASS_FEATURE,
00175     STP_PARAMETER_LEVEL_BASIC, 1, 1, -1, 0, 0
00176   },
00177   {
00178     "PageSize", N_("Page Size"), N_("Basic Printer Setup"),
00179     N_("Size of the paper being printed to"),
00180     STP_PARAMETER_TYPE_STRING_LIST, STP_PARAMETER_CLASS_CORE,
00181     STP_PARAMETER_LEVEL_BASIC, 1, 1, -1, 1, 0
00182   },
00183   {
00184     "MediaType", N_("Media Type"), N_("Basic Printer Setup"),
00185     N_("Type of media (plain paper, photo paper, etc.)"),
00186     STP_PARAMETER_TYPE_STRING_LIST, STP_PARAMETER_CLASS_FEATURE,
00187     STP_PARAMETER_LEVEL_BASIC, 1, 1, -1, 1, 0
00188   },
00189   {
00190     "InputSlot", N_("Media Source"), N_("Basic Printer Setup"),
00191     N_("Source (input slot) of the media"),
00192     STP_PARAMETER_TYPE_STRING_LIST, STP_PARAMETER_CLASS_FEATURE,
00193     STP_PARAMETER_LEVEL_BASIC, 1, 1, -1, 1, 0
00194   },
00195   {
00196     "CDInnerRadius", N_("CD Hub Size"), N_("Basic Printer Setup"),
00197     N_("Print only outside of the hub of the CD, or all the way to the hole"),
00198     STP_PARAMETER_TYPE_STRING_LIST, STP_PARAMETER_CLASS_FEATURE,
00199     STP_PARAMETER_LEVEL_BASIC, 1, 1, -1, 1, 0
00200   },
00201   {
00202     "CDXAdjustment", N_("CD Horizontal Fine Adjustment"), N_("Advanced Printer Setup"),
00203     N_("Fine adjustment to horizontal position for CD printing"),
00204     STP_PARAMETER_TYPE_DIMENSION, STP_PARAMETER_CLASS_FEATURE,
00205     STP_PARAMETER_LEVEL_ADVANCED, 1, 1, -1, 1, 0
00206   },
00207   {
00208     "CDYAdjustment", N_("CD Vertical Fine Adjustment"), N_("Advanced Printer Setup"),
00209     N_("Fine adjustment to horizontal position for CD printing"),
00210     STP_PARAMETER_TYPE_DIMENSION, STP_PARAMETER_CLASS_FEATURE,
00211     STP_PARAMETER_LEVEL_ADVANCED, 1, 1, -1, 1, 0
00212   },
00213   {
00214     "Resolution", N_("Resolution"), N_("Basic Printer Setup"),
00215     N_("Resolution of the print"),
00216     STP_PARAMETER_TYPE_STRING_LIST, STP_PARAMETER_CLASS_FEATURE,
00217     STP_PARAMETER_LEVEL_ADVANCED, 1, 1, -1, 1, 0
00218   },
00219   /*
00220    * Don't check this parameter.  We may offer different settings for
00221    * different ink sets, but we need to be able to handle settings from PPD
00222    * files that don't have constraints set up.
00223    */
00224   {
00225     "InkType", N_("Ink Type"), N_("Advanced Printer Setup"),
00226     N_("Type of ink in the printer"),
00227     STP_PARAMETER_TYPE_STRING_LIST, STP_PARAMETER_CLASS_FEATURE,
00228     STP_PARAMETER_LEVEL_ADVANCED2, 1, 1, -1, 0, 0
00229   },
00230   {
00231     "InkSet", N_("Ink Set"), N_("Advanced Printer Setup"),
00232     N_("Type of ink in the printer"),
00233     STP_PARAMETER_TYPE_STRING_LIST, STP_PARAMETER_CLASS_FEATURE,
00234     STP_PARAMETER_LEVEL_BASIC, 1, 1, -1, 1, 0
00235   },
00236   {
00237     "PrintingDirection", N_("Printing Direction"), N_("Advanced Output Adjustment"),
00238     N_("Printing direction (unidirectional is higher quality, but slower)"),
00239     STP_PARAMETER_TYPE_STRING_LIST, STP_PARAMETER_CLASS_FEATURE,
00240     STP_PARAMETER_LEVEL_ADVANCED1, 1, 1, -1, 1, 0
00241   },
00242   {
00243     "FullBleed", N_("Borderless"), N_("Basic Printer Setup"),
00244     N_("Print without borders"),
00245     STP_PARAMETER_TYPE_BOOLEAN, STP_PARAMETER_CLASS_FEATURE,
00246     STP_PARAMETER_LEVEL_BASIC, 1, 1, -1, 1, 0
00247   },
00248   {
00249     "Weave", N_("Interleave Method"), N_("Advanced Output Adjustment"),
00250     N_("Interleave pattern to use"),
00251     STP_PARAMETER_TYPE_STRING_LIST, STP_PARAMETER_CLASS_FEATURE,
00252     STP_PARAMETER_LEVEL_ADVANCED1, 1, 1, -1, 1, 0
00253   },    
00254   {
00255     "AdjustDotsize", N_("Adjust dot size as necessary"), N_("Advanced Printer Setup"),
00256     N_("Adjust dot size as necessary to achieve desired density"),
00257     STP_PARAMETER_TYPE_BOOLEAN, STP_PARAMETER_CLASS_FEATURE,
00258     STP_PARAMETER_LEVEL_ADVANCED4, 1, 1, -1, 1, 0
00259   },
00260   {
00261     "OutputOrder", N_("Output Order"), N_("Basic Printer Setup"),
00262     N_("Output Order"),
00263     STP_PARAMETER_TYPE_STRING_LIST, STP_PARAMETER_CLASS_FEATURE,
00264     STP_PARAMETER_LEVEL_BASIC, 0, 0, -1, 0, 0
00265   },
00266   {
00267     "AlignmentPasses", N_("Alignment Passes"), N_("Advanced Printer Functionality"),
00268     N_("Alignment Passes"),
00269     STP_PARAMETER_TYPE_INT, STP_PARAMETER_CLASS_FEATURE,
00270     STP_PARAMETER_LEVEL_INTERNAL, 0, 0, -1, 0, 0
00271   },
00272   {
00273     "AlignmentChoices", N_("Alignment Choices"), N_("Advanced Printer Functionality"),
00274     N_("Alignment Choices"),
00275     STP_PARAMETER_TYPE_INT, STP_PARAMETER_CLASS_FEATURE,
00276     STP_PARAMETER_LEVEL_INTERNAL, 0, 0, -1, 0, 0
00277   },
00278   {
00279     "InkChange", N_("Ink change command"), N_("Advanced Printer Functionality"),
00280     N_("Ink change command"),
00281     STP_PARAMETER_TYPE_INT, STP_PARAMETER_CLASS_FEATURE,
00282     STP_PARAMETER_LEVEL_INTERNAL, 0, 0, -1, 0, 0
00283   },
00284   {
00285     "AlternateAlignmentPasses", N_("Alternate Alignment Passes"), N_("Advanced Printer Functionality"),
00286     N_("Alternate Alignment Passes"),
00287     STP_PARAMETER_TYPE_INT, STP_PARAMETER_CLASS_FEATURE,
00288     STP_PARAMETER_LEVEL_INTERNAL, 0, 0, -1, 0, 0
00289   },
00290   {
00291     "AlternateAlignmentChoices", N_("Alternate Alignment Choices"), N_("Advanced Printer Functionality"),
00292     N_("Alternate Alignment Choices"),
00293     STP_PARAMETER_TYPE_INT, STP_PARAMETER_CLASS_FEATURE,
00294     STP_PARAMETER_LEVEL_INTERNAL, 0, 0, -1, 0, 0
00295   },
00296   {
00297     "SupportsPacketMode", N_("Supports Packet Mode"), N_("Advanced Printer Functionality"),
00298     N_("Alternate Alignment Choices"),
00299     STP_PARAMETER_TYPE_BOOLEAN, STP_PARAMETER_CLASS_FEATURE,
00300     STP_PARAMETER_LEVEL_INTERNAL, 0, 0, -1, 0, 0
00301   },
00302   {
00303     "InkChannels", N_("Ink Channels"), N_("Advanced Printer Functionality"),
00304     N_("Ink Channels"),
00305     STP_PARAMETER_TYPE_INT, STP_PARAMETER_CLASS_FEATURE,
00306     STP_PARAMETER_LEVEL_INTERNAL, 0, 0, -1, 0, 0
00307   },
00308   {
00309     "PrintingMode", N_("Printing Mode"), N_("Core Parameter"),
00310     N_("Printing Output Mode"),
00311     STP_PARAMETER_TYPE_STRING_LIST, STP_PARAMETER_CLASS_CORE,
00312     STP_PARAMETER_LEVEL_BASIC, 1, 1, -1, 1, 0
00313   },
00314   {
00315     "RawChannels", N_("Raw Channels"), N_("Core Parameter"),
00316     N_("Raw Channel Count"),
00317     STP_PARAMETER_TYPE_STRING_LIST, STP_PARAMETER_CLASS_CORE,
00318     STP_PARAMETER_LEVEL_BASIC, 0, 1, -1, 1, 0
00319   },
00320   PARAMETER_INT(max_hres),
00321   PARAMETER_INT(max_vres),
00322   PARAMETER_INT(min_hres),
00323   PARAMETER_INT(min_vres),
00324   PARAMETER_INT(nozzles),
00325   PARAMETER_INT(black_nozzles),
00326   PARAMETER_INT(fast_nozzles),
00327   PARAMETER_INT(min_nozzles),
00328   PARAMETER_INT(min_black_nozzles),
00329   PARAMETER_INT(min_fast_nozzles),
00330   PARAMETER_INT(nozzle_separation),
00331   PARAMETER_INT(black_nozzle_separation),
00332   PARAMETER_INT(fast_nozzle_separation),
00333   PARAMETER_INT(separation_rows),
00334   PARAMETER_INT(max_paper_width),
00335   PARAMETER_INT(max_paper_height),
00336   PARAMETER_INT(min_paper_width),
00337   PARAMETER_INT(min_paper_height),
00338   PARAMETER_INT(extra_feed),
00339   PARAMETER_INT(pseudo_separation_rows),
00340   PARAMETER_INT(base_separation),
00341   PARAMETER_INT(resolution_scale),
00342   PARAMETER_INT(initial_vertical_offset),
00343   PARAMETER_INT(black_initial_vertical_offset),
00344   PARAMETER_INT(max_black_resolution),
00345   PARAMETER_INT(zero_margin_offset),
00346   PARAMETER_INT(extra_720dpi_separation),
00347   PARAMETER_INT(physical_channels),
00348   PARAMETER_INT(left_margin),
00349   PARAMETER_INT(right_margin),
00350   PARAMETER_INT(top_margin),
00351   PARAMETER_INT(bottom_margin),
00352   PARAMETER_INT_RO(alignment_passes),
00353   PARAMETER_INT_RO(alignment_choices),
00354   PARAMETER_INT_RO(alternate_alignment_passes),
00355   PARAMETER_INT_RO(alternate_alignment_choices),
00356   PARAMETER_INT(cd_x_offset),
00357   PARAMETER_INT(cd_y_offset),
00358   PARAMETER_INT(cd_page_width),
00359   PARAMETER_INT(cd_page_height),
00360   PARAMETER_RAW(preinit_sequence),
00361   PARAMETER_RAW(postinit_remote_sequence)
00362 };
00363 
00364 static const int the_parameter_count =
00365 sizeof(the_parameters) / sizeof(const stp_parameter_t);
00366 
00367 static const float_param_t float_parameters[] =
00368 {
00369   {
00370     {
00371       "CyanDensity", N_("Cyan Balance"), N_("Output Level Adjustment"),
00372       N_("Adjust the cyan balance"),
00373       STP_PARAMETER_TYPE_DOUBLE, STP_PARAMETER_CLASS_OUTPUT,
00374       STP_PARAMETER_LEVEL_ADVANCED, 0, 1, 1, 1, 0
00375     }, 0.0, 2.0, 1.0, 1
00376   },
00377   {
00378     {
00379       "MagentaDensity", N_("Magenta Balance"), N_("Output Level Adjustment"),
00380       N_("Adjust the magenta balance"),
00381       STP_PARAMETER_TYPE_DOUBLE, STP_PARAMETER_CLASS_OUTPUT,
00382       STP_PARAMETER_LEVEL_ADVANCED, 0, 1, 2, 1, 0
00383     }, 0.0, 2.0, 1.0, 1
00384   },
00385   {
00386     {
00387       "YellowDensity", N_("Yellow Balance"), N_("Output Level Adjustment"),
00388       N_("Adjust the yellow balance"),
00389       STP_PARAMETER_TYPE_DOUBLE, STP_PARAMETER_CLASS_OUTPUT,
00390       STP_PARAMETER_LEVEL_ADVANCED, 0, 1, 3, 1, 0
00391     }, 0.0, 2.0, 1.0, 1
00392   },
00393   {
00394     {
00395       "BlackDensity", N_("Black Balance"), N_("Output Level Adjustment"),
00396       N_("Adjust the black balance"),
00397       STP_PARAMETER_TYPE_DOUBLE, STP_PARAMETER_CLASS_OUTPUT,
00398       STP_PARAMETER_LEVEL_ADVANCED, 0, 1, 0, 1, 0
00399     }, 0.0, 2.0, 1.0, 1
00400   },
00401   {
00402     {
00403       "RedDensity", N_("Red Balance"), N_("Output Level Adjustment"),
00404       N_("Adjust the red balance"),
00405       STP_PARAMETER_TYPE_DOUBLE, STP_PARAMETER_CLASS_OUTPUT,
00406       STP_PARAMETER_LEVEL_ADVANCED, 0, 1, 4, 1, 0
00407     }, 0.0, 2.0, 1.0, 1
00408   },
00409   {
00410     {
00411       "BlueDensity", N_("Blue Balance"), N_("Output Level Adjustment"),
00412       N_("Adjust the blue balance"),
00413       STP_PARAMETER_TYPE_DOUBLE, STP_PARAMETER_CLASS_OUTPUT,
00414       STP_PARAMETER_LEVEL_ADVANCED, 0, 1, 5, 1, 0
00415     }, 0.0, 2.0, 1.0, 1
00416   },
00417   {
00418     {
00419       "GlossDensity", N_("Gloss Balance"), N_("Output Level Adjustment"),
00420       N_("Adjust the gloss balance"),
00421       STP_PARAMETER_TYPE_DOUBLE, STP_PARAMETER_CLASS_OUTPUT,
00422       STP_PARAMETER_LEVEL_ADVANCED, 0, 1, 6, 1, 0
00423     }, 0.0, 2.0, 1.0, 1
00424   },
00425   {
00426     {
00427       "LightCyanTransition", N_("Light Cyan Transition"), N_("Advanced Ink Adjustment"),
00428       N_("Light Cyan Transition"),
00429       STP_PARAMETER_TYPE_DOUBLE, STP_PARAMETER_CLASS_OUTPUT,
00430       STP_PARAMETER_LEVEL_ADVANCED4, 0, 1, -1, 1, 0
00431     }, 0.0, 5.0, 1.0, 1
00432   },
00433   {
00434     {
00435       "LightMagentaTransition", N_("Light Magenta Transition"), N_("Advanced Ink Adjustment"),
00436       N_("Light Magenta Transition"),
00437       STP_PARAMETER_TYPE_DOUBLE, STP_PARAMETER_CLASS_OUTPUT,
00438       STP_PARAMETER_LEVEL_ADVANCED4, 0, 1, -1, 1, 0
00439     }, 0.0, 5.0, 1.0, 1
00440   },
00441   {
00442     {
00443       "DarkYellowTransition", N_("Dark Yellow Transition"), N_("Advanced Ink Adjustment"),
00444       N_("Dark Yellow Transition"),
00445       STP_PARAMETER_TYPE_DOUBLE, STP_PARAMETER_CLASS_OUTPUT,
00446       STP_PARAMETER_LEVEL_ADVANCED4, 0, 1, -1, 1, 0
00447     }, 0.0, 5.0, 1.0, 1
00448   },
00449   {
00450     {
00451       "GrayTransition", N_("Gray Transition"), N_("Advanced Ink Adjustment"),
00452       N_("Gray Transition"),
00453       STP_PARAMETER_TYPE_DOUBLE, STP_PARAMETER_CLASS_OUTPUT,
00454       STP_PARAMETER_LEVEL_ADVANCED4, 0, 1, -1, 1, 0
00455     }, 0.0, 5.0, 1.0, 1
00456   },
00457   {
00458     {
00459       "Gray3Transition", N_("Dark Gray Transition"), N_("Advanced Ink Adjustment"),
00460       N_("Dark Gray Transition"),
00461       STP_PARAMETER_TYPE_DOUBLE, STP_PARAMETER_CLASS_OUTPUT,
00462       STP_PARAMETER_LEVEL_ADVANCED4, 0, 1, -1, 1, 0
00463     }, 0.0, 5.0, 1.0, 1
00464   },
00465   {
00466     {
00467       "Gray2Transition", N_("Mid Gray Transition"), N_("Advanced Ink Adjustment"),
00468       N_("Medium Gray Transition"),
00469       STP_PARAMETER_TYPE_DOUBLE, STP_PARAMETER_CLASS_OUTPUT,
00470       STP_PARAMETER_LEVEL_ADVANCED4, 0, 1, -1, 1, 0
00471     }, 0.0, 5.0, 1.0, 1
00472   },
00473   {
00474     {
00475       "Gray1Transition", N_("Light Gray Transition"), N_("Advanced Ink Adjustment"),
00476       N_("Light Gray Transition"),
00477       STP_PARAMETER_TYPE_DOUBLE, STP_PARAMETER_CLASS_OUTPUT,
00478       STP_PARAMETER_LEVEL_ADVANCED4, 0, 1, -1, 1, 0
00479     }, 0.0, 5.0, 1.0, 1
00480   },
00481 };
00482 
00483 static const int float_parameter_count =
00484 sizeof(float_parameters) / sizeof(const float_param_t);
00485 
00486 
00487 static escp2_privdata_t *
00488 get_privdata(stp_vars_t *v)
00489 {
00490   return (escp2_privdata_t *) stp_get_component_data(v, "Driver");
00491 }
00492 
00493 static model_featureset_t
00494 escp2_get_cap(const stp_vars_t *v, escp2_model_option_t feature)
00495 {
00496   int model = stp_get_model_id(v);
00497   if (feature < 0 || feature >= MODEL_LIMIT)
00498     return (model_featureset_t) -1;
00499   else
00500     {
00501       model_featureset_t featureset =
00502         (((1ul << escp2_printer_attrs[feature].bit_width) - 1ul) <<
00503          escp2_printer_attrs[feature].bit_shift);
00504       return stpi_escp2_model_capabilities[model].flags & featureset;
00505     }
00506 }
00507 
00508 static int
00509 escp2_has_cap(const stp_vars_t *v, escp2_model_option_t feature,
00510               model_featureset_t class)
00511 {
00512   int model = stp_get_model_id(v);
00513   if (feature < 0 || feature >= MODEL_LIMIT)
00514     return -1;
00515   else
00516     {
00517       model_featureset_t featureset =
00518         (((1ul << escp2_printer_attrs[feature].bit_width) - 1ul) <<
00519          escp2_printer_attrs[feature].bit_shift);
00520       if ((stpi_escp2_model_capabilities[model].flags & featureset) == class)
00521         return 1;
00522       else
00523         return 0;
00524     }
00525 }
00526 
00527 #define DEF_SIMPLE_ACCESSOR(f, t)                                       \
00528 static inline t                                                         \
00529 escp2_##f(const stp_vars_t *v)                                          \
00530 {                                                                       \
00531   if (stp_check_int_parameter(v, "escp2_" #f, STP_PARAMETER_ACTIVE))    \
00532     return stp_get_int_parameter(v, "escp2_" #f);                       \
00533   else                                                                  \
00534     {                                                                   \
00535       int model = stp_get_model_id(v);                                  \
00536       return (stpi_escp2_model_capabilities[model].f);                  \
00537     }                                                                   \
00538 }
00539 
00540 #define DEF_RAW_ACCESSOR(f, t)                                          \
00541 static inline t                                                         \
00542 escp2_##f(const stp_vars_t *v)                                          \
00543 {                                                                       \
00544   if (stp_check_raw_parameter(v, "escp2_" #f, STP_PARAMETER_ACTIVE))    \
00545     return stp_get_raw_parameter(v, "escp2_" #f);                       \
00546   else                                                                  \
00547     {                                                                   \
00548       int model = stp_get_model_id(v);                                  \
00549       return (stpi_escp2_model_capabilities[model].f);                  \
00550     }                                                                   \
00551 }
00552 
00553 #define DEF_COMPOSITE_ACCESSOR(f, t)                    \
00554 static inline t                                         \
00555 escp2_##f(const stp_vars_t *v)                          \
00556 {                                                       \
00557   int model = stp_get_model_id(v);                      \
00558   return (stpi_escp2_model_capabilities[model].f);      \
00559 }
00560 
00561 #define DEF_ROLL_ACCESSOR(f, t)                                         \
00562 static inline t                                                         \
00563 escp2_##f(const stp_vars_t *v, int rollfeed)                            \
00564 {                                                                       \
00565   if (stp_check_int_parameter(v, "escp2_" #f, STP_PARAMETER_ACTIVE))    \
00566     return stp_get_int_parameter(v, "escp2_" #f);                       \
00567   else                                                                  \
00568     {                                                                   \
00569       int model = stp_get_model_id(v);                                  \
00570       const res_t *res = escp2_find_resolution(v);                      \
00571       if (res && !(res->softweave))                                     \
00572         {                                                               \
00573           if (rollfeed)                                                 \
00574             return (stpi_escp2_model_capabilities[model].m_roll_##f);   \
00575           else                                                          \
00576             return (stpi_escp2_model_capabilities[model].m_##f);        \
00577         }                                                               \
00578       else                                                              \
00579         {                                                               \
00580           if (rollfeed)                                                 \
00581             return (stpi_escp2_model_capabilities[model].roll_##f);     \
00582           else                                                          \
00583             return (stpi_escp2_model_capabilities[model].f);            \
00584         }                                                               \
00585     }                                                                   \
00586 }
00587 
00588 DEF_SIMPLE_ACCESSOR(max_hres, int)
00589 DEF_SIMPLE_ACCESSOR(max_vres, int)
00590 DEF_SIMPLE_ACCESSOR(min_hres, int)
00591 DEF_SIMPLE_ACCESSOR(min_vres, int)
00592 DEF_SIMPLE_ACCESSOR(nozzles, unsigned)
00593 DEF_SIMPLE_ACCESSOR(black_nozzles, unsigned)
00594 DEF_SIMPLE_ACCESSOR(fast_nozzles, unsigned)
00595 DEF_SIMPLE_ACCESSOR(min_nozzles, unsigned)
00596 DEF_SIMPLE_ACCESSOR(min_black_nozzles, unsigned)
00597 DEF_SIMPLE_ACCESSOR(min_fast_nozzles, unsigned)
00598 DEF_SIMPLE_ACCESSOR(nozzle_separation, unsigned)
00599 DEF_SIMPLE_ACCESSOR(black_nozzle_separation, unsigned)
00600 DEF_SIMPLE_ACCESSOR(fast_nozzle_separation, unsigned)
00601 DEF_SIMPLE_ACCESSOR(separation_rows, unsigned)
00602 DEF_SIMPLE_ACCESSOR(max_paper_width, unsigned)
00603 DEF_SIMPLE_ACCESSOR(max_paper_height, unsigned)
00604 DEF_SIMPLE_ACCESSOR(min_paper_width, unsigned)
00605 DEF_SIMPLE_ACCESSOR(min_paper_height, unsigned)
00606 DEF_SIMPLE_ACCESSOR(cd_x_offset, int)
00607 DEF_SIMPLE_ACCESSOR(cd_y_offset, int)
00608 DEF_SIMPLE_ACCESSOR(cd_page_width, int)
00609 DEF_SIMPLE_ACCESSOR(cd_page_height, int)
00610 DEF_SIMPLE_ACCESSOR(extra_feed, unsigned)
00611 DEF_SIMPLE_ACCESSOR(pseudo_separation_rows, int)
00612 DEF_SIMPLE_ACCESSOR(base_separation, int)
00613 DEF_SIMPLE_ACCESSOR(resolution_scale, int)
00614 DEF_SIMPLE_ACCESSOR(initial_vertical_offset, int)
00615 DEF_SIMPLE_ACCESSOR(black_initial_vertical_offset, int)
00616 DEF_SIMPLE_ACCESSOR(max_black_resolution, int)
00617 DEF_SIMPLE_ACCESSOR(zero_margin_offset, int)
00618 DEF_SIMPLE_ACCESSOR(extra_720dpi_separation, int)
00619 DEF_SIMPLE_ACCESSOR(physical_channels, int)
00620 DEF_SIMPLE_ACCESSOR(alignment_passes, int)
00621 DEF_SIMPLE_ACCESSOR(alignment_choices, int)
00622 DEF_SIMPLE_ACCESSOR(alternate_alignment_passes, int)
00623 DEF_SIMPLE_ACCESSOR(alternate_alignment_choices, int)
00624 DEF_COMPOSITE_ACCESSOR(printer_weaves, const printer_weave_list_t *)
00625 
00626 DEF_ROLL_ACCESSOR(left_margin, unsigned)
00627 DEF_ROLL_ACCESSOR(right_margin, unsigned)
00628 DEF_ROLL_ACCESSOR(top_margin, unsigned)
00629 DEF_ROLL_ACCESSOR(bottom_margin, unsigned)
00630 
00631 DEF_RAW_ACCESSOR(preinit_sequence, const stp_raw_t *)
00632 DEF_RAW_ACCESSOR(postinit_remote_sequence, const stp_raw_t *)
00633 
00634 DEF_COMPOSITE_ACCESSOR(reslist, const res_t *const *)
00635 DEF_COMPOSITE_ACCESSOR(inkgroup, const inkgroup_t *)
00636 DEF_COMPOSITE_ACCESSOR(input_slots, const input_slot_list_t *)
00637 DEF_COMPOSITE_ACCESSOR(quality_list, const quality_list_t *)
00638 
00639 static const channel_count_t *
00640 get_channel_count_by_name(const char *name)
00641 {
00642   int i;
00643   for (i = 0; i < escp2_channel_counts_count; i++)
00644     if (strcmp(name, escp2_channel_counts[i].name) == 0)
00645       return &(escp2_channel_counts[i]);
00646   return NULL;
00647 }
00648 
00649 static const channel_count_t *
00650 get_channel_count_by_number(unsigned count)
00651 {
00652   int i;
00653   for (i = 0; i < escp2_channel_counts_count; i++)
00654     if (count == escp2_channel_counts[i].count)
00655       return &(escp2_channel_counts[i]);
00656   return NULL;
00657 }
00658 
00659 static int
00660 escp2_ink_type(const stp_vars_t *v, int resid)
00661 {
00662   if (stp_check_int_parameter(v, "escp2_ink_type", STP_PARAMETER_ACTIVE))
00663     return stp_get_int_parameter(v, "escp2_ink_type");
00664   else
00665     {
00666       int model = stp_get_model_id(v);
00667       return stpi_escp2_model_capabilities[model].dot_sizes[resid];
00668     }
00669 }
00670 
00671 static double
00672 escp2_density(const stp_vars_t *v, int resid)
00673 {
00674   if (stp_check_float_parameter(v, "escp2_density", STP_PARAMETER_ACTIVE))
00675     return stp_get_float_parameter(v, "escp2_density");
00676   else
00677     {
00678       int model = stp_get_model_id(v);
00679       return stpi_escp2_model_capabilities[model].densities[resid];
00680     }
00681 }
00682 
00683 static int
00684 escp2_bits(const stp_vars_t *v, int resid)
00685 {
00686   if (stp_check_int_parameter(v, "escp2_bits", STP_PARAMETER_ACTIVE))
00687     return stp_get_int_parameter(v, "escp2_bits");
00688   else
00689     {
00690       int model = stp_get_model_id(v);
00691       return stpi_escp2_model_capabilities[model].bits[resid];
00692     }
00693 }
00694 
00695 static double
00696 escp2_base_res(const stp_vars_t *v, int resid)
00697 {
00698   if (stp_check_float_parameter(v, "escp2_base_res", STP_PARAMETER_ACTIVE))
00699     return stp_get_float_parameter(v, "escp2_base_res");
00700   else
00701     {
00702       int model = stp_get_model_id(v);
00703       return stpi_escp2_model_capabilities[model].base_resolutions[resid];
00704     }
00705 }
00706 
00707 static const escp2_dropsize_t *
00708 escp2_dropsizes(const stp_vars_t *v, int resid)
00709 {
00710   int model = stp_get_model_id(v);
00711   const escp2_drop_list_t *drops = stpi_escp2_model_capabilities[model].drops;
00712   return (*drops)[resid];
00713 }
00714 
00715 static const inklist_t *
00716 escp2_inklist(const stp_vars_t *v)
00717 {
00718   int model = stp_get_model_id(v);
00719   int i;
00720   const char *ink_list_name = NULL;
00721   const inkgroup_t *inkgroup = stpi_escp2_model_capabilities[model].inkgroup;
00722 
00723   if (stp_check_string_parameter(v, "InkSet", STP_PARAMETER_ACTIVE))
00724     ink_list_name = stp_get_string_parameter(v, "InkSet");
00725   if (ink_list_name)
00726     {
00727       for (i = 0; i < inkgroup->n_inklists; i++)
00728         {
00729           if (strcmp(ink_list_name, inkgroup->inklists[i]->name) == 0)
00730             return inkgroup->inklists[i];
00731         }
00732     }
00733   return inkgroup->inklists[0];
00734 }
00735 
00736 static const shade_t *
00737 escp2_shades(const stp_vars_t *v, int channel)
00738 {
00739   const inklist_t *inklist = escp2_inklist(v);
00740   return &((*inklist->shades)[channel]);
00741 }
00742 
00743 static const paperlist_t *
00744 escp2_paperlist(const stp_vars_t *v)
00745 {
00746   const inklist_t *inklist = escp2_inklist(v);
00747   if (inklist)
00748     return inklist->papers;
00749   else
00750     return NULL;
00751 }
00752 
00753 static int
00754 using_automatic_settings(const stp_vars_t *v, auto_mode_t mode)
00755 {
00756   int is_raw = 0;
00757   if (stp_get_string_parameter(v, "InputImageType") &&
00758       strcmp(stp_get_string_parameter(v, "InputImageType"), "Raw") == 0)
00759     is_raw = 1;
00760   switch (mode)
00761     {
00762     case AUTO_MODE_QUALITY:
00763       if (stp_check_string_parameter(v, "Quality", STP_PARAMETER_ACTIVE) &&
00764           strcmp(stp_get_string_parameter(v, "Quality"), "None") != 0 &&
00765           !is_raw)
00766         return 1;
00767       else
00768         return 0;
00769 #if 0
00770     case AUTO_MODE_FULL_AUTO:
00771       if (stp_check_string_parameter(v, "AutoMode", STP_PARAMETER_ACTIVE) &&
00772           strcmp(stp_get_string_parameter(v, "AutoMode"), "None") != 0 &&
00773           !is_raw)
00774         return 1;
00775       else
00776         return 0;
00777 #endif
00778     case AUTO_MODE_MANUAL:
00779       if (!stp_check_string_parameter(v, "Quality", STP_PARAMETER_ACTIVE) ||
00780           strcmp(stp_get_string_parameter(v, "Quality"), "None") == 0 ||
00781           is_raw)
00782         return 1;
00783       else
00784         return 0;
00785     }
00786   return 0;
00787 }    
00788 
00789 static int
00790 compute_internal_resid(int hres, int vres)
00791 {
00792   static const int resolutions[RES_N] =
00793     {
00794       0,
00795       360 * 360,
00796       720 * 360,
00797       720 * 720,
00798       1440 * 720,
00799       1440 * 1440,
00800       2880 * 1440,
00801       2880 * 2880,
00802     };
00803   int total_resolution = hres * vres;
00804   int i;
00805   for (i = 0; i < RES_N; i++)
00806     {
00807       if (total_resolution < resolutions[i])
00808         return i - 1;
00809     }
00810   return RES_N - 1;
00811 }  
00812 
00813 static int
00814 compute_resid(const res_t *res)
00815 {
00816   return compute_internal_resid(res->hres, res->vres);
00817 }
00818 
00819 static int
00820 compute_printed_resid(const res_t *res)
00821 {
00822   return compute_internal_resid(res->printed_hres, res->printed_vres);
00823 }
00824 
00825 
00826 static const input_slot_t *
00827 get_input_slot(const stp_vars_t *v)
00828 {
00829   int i;
00830   const char *input_slot = stp_get_string_parameter(v, "InputSlot");
00831   if (input_slot && strlen(input_slot) > 0)
00832     {
00833       const input_slot_list_t *slots = escp2_input_slots(v);
00834       if (slots)
00835         {
00836           for (i = 0; i < slots->n_input_slots; i++)
00837             {
00838               if (slots->slots[i].name &&
00839                   strcmp(input_slot, slots->slots[i].name) == 0)
00840                 {
00841                   return &(slots->slots[i]);
00842                   break;
00843                 }
00844             }
00845         }
00846     }
00847   return NULL;
00848 }
00849 
00850 static const printer_weave_t *
00851 get_printer_weave(const stp_vars_t *v)
00852 {
00853   int i;
00854   const printer_weave_list_t *p = escp2_printer_weaves(v);
00855   if (p)
00856     {
00857       const char *name = stp_get_string_parameter(v, "Weave");
00858       int printer_weave_count = p->n_printer_weaves;
00859       if (name)
00860         {
00861           for (i = 0; i < printer_weave_count; i++)
00862             {
00863               if (!strcmp(name, p->printer_weaves[i].name))
00864                 return &(p->printer_weaves[i]);
00865             }
00866         }
00867     }
00868   return NULL;
00869 }
00870 
00871 static int
00872 use_printer_weave(const stp_vars_t *v)
00873 {
00874   const res_t *res = escp2_find_resolution(v);
00875   if (!res)
00876     return 1;
00877   else if (!(res->softweave))
00878     return 1;
00879   else if (res->printer_weave)
00880     return 1;
00881   else
00882     return 0;
00883 }
00884   
00885 
00886 static const paper_t *
00887 get_media_type(const stp_vars_t *v)
00888 {
00889   int i;
00890   const paperlist_t *p = escp2_paperlist(v);
00891   if (p)
00892     {
00893       const char *name = stp_get_string_parameter(v, "MediaType");
00894       int paper_type_count = p->paper_count;
00895       if (name)
00896         {
00897           for (i = 0; i < paper_type_count; i++)
00898             {
00899               if (!strcmp(name, p->papers[i].name))
00900                 return &(p->papers[i]);
00901             }
00902         }
00903     }
00904   return NULL;
00905 }
00906 
00907 static int
00908 verify_resolution_by_paper_type(const stp_vars_t *v, const res_t *res)
00909 {
00910   const paper_t *paper = get_media_type(v);
00911   if (paper)
00912     {
00913       switch (paper->paper_class)
00914         {
00915         case PAPER_PLAIN:
00916           if (res->printed_vres > 720 || res->hres > 720)
00917             return 0;
00918           break;
00919         case PAPER_GOOD:
00920           if (res->printed_vres < 180 || res->hres < 360 ||
00921               res->printed_vres > 720 || res->hres > 1440)
00922             return 0;
00923           break;
00924         case PAPER_PHOTO:
00925           if (res->printed_vres < 360 || 
00926               (res->hres < 720 && res->hres < escp2_max_hres(v)))
00927             return 0;
00928           break;
00929         case PAPER_PREMIUM_PHOTO:
00930           if (res->printed_vres < 720 ||
00931               (res->hres < 720 && res->hres < escp2_max_hres(v)))
00932             return 0;
00933           break;
00934         case PAPER_TRANSPARENCY:
00935           if (res->printed_vres < 360 || res->hres < 360 ||
00936               res->printed_vres > 720 || res->hres > 720)
00937             return 0;
00938           break;
00939         }
00940     }
00941   return 1;
00942 }
00943 
00944 static int
00945 verify_resolution(const stp_vars_t *v, const res_t *res)
00946 {
00947   int nozzle_width =
00948     (escp2_base_separation(v) / escp2_nozzle_separation(v));
00949   int nozzles = escp2_nozzles(v);
00950   if (escp2_ink_type(v, compute_printed_resid(res)) != -1 &&
00951       res->vres <= escp2_max_vres(v) &&
00952       res->hres <= escp2_max_hres(v) &&
00953       res->vres >= escp2_min_vres(v) &&
00954       res->hres >= escp2_min_hres(v) &&
00955       (nozzles == 1 ||
00956        ((res->vres / nozzle_width) * nozzle_width) == res->vres))
00957     {
00958       int xdpi = res->hres;
00959       int physical_xdpi = escp2_base_res(v, compute_resid(res));
00960       int horizontal_passes, oversample;
00961       if (physical_xdpi > xdpi)
00962         physical_xdpi = xdpi;
00963       horizontal_passes = xdpi / physical_xdpi;
00964       oversample = horizontal_passes * res->vertical_passes;
00965       if (horizontal_passes < 1)
00966         horizontal_passes = 1;
00967       if (oversample < 1)
00968         oversample = 1;
00969       if (((horizontal_passes * res->vertical_passes) <= 8) &&
00970           (! res->softweave || (nozzles > 1 && nozzles > oversample)))
00971         return 1;
00972     }
00973   return 0;
00974 }
00975 
00976 static int
00977 verify_papersize(const stp_vars_t *v, const stp_papersize_t *pt)
00978 {
00979   unsigned int height_limit, width_limit;
00980   unsigned int min_height_limit, min_width_limit;
00981   width_limit = escp2_max_paper_width(v);
00982   height_limit = escp2_max_paper_height(v);
00983   min_width_limit = escp2_min_paper_width(v);
00984   min_height_limit = escp2_min_paper_height(v);
00985   if (strlen(pt->name) > 0 &&
00986       pt->width <= width_limit && pt->height <= height_limit &&
00987       (pt->height >= min_height_limit || pt->height == 0) &&
00988       (pt->width >= min_width_limit || pt->width == 0) &&
00989       (pt->width == 0 || pt->height > 0 ||
00990        escp2_has_cap(v, MODEL_ROLLFEED, MODEL_ROLLFEED_YES)))
00991     return 1;
00992   else
00993     return 0;
00994 }
00995 
00996 static int
00997 verify_inktype(const stp_vars_t *v, const escp2_inkname_t *inks)
00998 {
00999   if (inks->inkset == INKSET_EXTENDED)
01000     return 0;
01001   else
01002     return 1;
01003 }
01004 
01005 static const char *
01006 get_default_inktype(const stp_vars_t *v)
01007 {
01008   const inklist_t *ink_list = escp2_inklist(v);
01009   const paper_t *paper_type = get_media_type(v);
01010   if (!ink_list)
01011     return NULL;
01012   if (!paper_type)
01013     {
01014       const paperlist_t *p = escp2_paperlist(v);
01015       if (p)
01016         paper_type = &(p->papers[0]);
01017     }
01018   if (paper_type && paper_type->preferred_ink_type)
01019     return paper_type->preferred_ink_type;
01020   else if (escp2_has_cap(v, MODEL_FAST_360, MODEL_FAST_360_YES) &&
01021            stp_check_string_parameter(v, "Resolution", STP_PARAMETER_ACTIVE))
01022     {
01023       const res_t *res = escp2_find_resolution(v);
01024       if (res)
01025         {
01026           int resid = compute_printed_resid(res);
01027           if (res->vres == 360 && res->hres == escp2_base_res(v, resid))
01028             {
01029               int i;
01030               for (i = 0; i < ink_list->n_inks; i++)
01031                 if (strcmp(ink_list->inknames[i]->name, "CMYK") == 0)
01032                   return ink_list->inknames[i]->name;
01033             }
01034         }
01035     }
01036   return ink_list->inknames[0]->name;
01037 }
01038 
01039 
01040 static const escp2_inkname_t *
01041 get_inktype(const stp_vars_t *v)
01042 {
01043   const char    *ink_type = stp_get_string_parameter(v, "InkType");
01044   const inklist_t *ink_list = escp2_inklist(v);
01045   int i;
01046 
01047   if (!ink_type || strcmp(ink_type, "None") == 0 ||
01048       (ink_list && ink_list->n_inks == 1) ||
01049       !using_automatic_settings(v, AUTO_MODE_MANUAL))
01050     ink_type = get_default_inktype(v);
01051 
01052   if (ink_type && ink_list)
01053     {
01054       for (i = 0; i < ink_list->n_inks; i++)
01055         {
01056           if (strcmp(ink_type, ink_list->inknames[i]->name) == 0)
01057             return ink_list->inknames[i];
01058         }
01059     }
01060   /*
01061    * If we couldn't find anything, try again with the default ink type.
01062    * This may mean duplicate work, but that's cheap enough.
01063    */
01064   ink_type = get_default_inktype(v);
01065   for (i = 0; i < ink_list->n_inks; i++)
01066     {
01067       if (strcmp(ink_type, ink_list->inknames[i]->name) == 0)
01068         return ink_list->inknames[i];
01069     }
01070   return NULL;
01071 }
01072 
01073 static const paper_adjustment_t *
01074 get_media_adjustment(const stp_vars_t *v)
01075 {
01076   const paper_t *pt = get_media_type(v);
01077   const inklist_t *ink_list = escp2_inklist(v);
01078   if (pt && ink_list && ink_list->paper_adjustments)
01079     {
01080       const paper_adjustment_list_t *adjlist = ink_list->paper_adjustments;
01081       const char *paper_name = pt->name;
01082       int i;
01083       for (i = 0; i < adjlist->paper_count; i++)
01084         {
01085           if (strcmp(paper_name, adjlist->papers[i].name) == 0)
01086             return &(adjlist->papers[i]);
01087         }
01088     }
01089   return NULL;
01090 }
01091 
01092 
01093 /*
01094  * 'escp2_parameters()' - Return the parameter values for the given parameter.
01095  */
01096 
01097 static stp_parameter_list_t
01098 escp2_list_parameters(const stp_vars_t *v)
01099 {
01100   stp_parameter_list_t *ret = stp_parameter_list_create();
01101   int i;
01102   for (i = 0; i < the_parameter_count; i++)
01103     stp_parameter_list_add_param(ret, &(the_parameters[i]));
01104   for (i = 0; i < float_parameter_count; i++)
01105     stp_parameter_list_add_param(ret, &(float_parameters[i].param));
01106   return ret;
01107 }
01108 
01109 static void
01110 fill_transition_parameters(stp_parameter_t *description)
01111 {
01112   description->is_active = 1;
01113   description->bounds.dbl.lower = 0;
01114   description->bounds.dbl.upper = 5.0;
01115   description->deflt.dbl = 1.0;
01116 }
01117 
01118 static void
01119 set_density_parameter(const stp_vars_t *v,
01120                       stp_parameter_t *description,
01121                       int color)
01122 {
01123   description->is_active = 0;
01124   if (stp_get_string_parameter(v, "PrintingMode") &&
01125       strcmp(stp_get_string_parameter(v, "PrintingMode"), "BW") != 0 &&
01126       using_automatic_settings(v, AUTO_MODE_MANUAL))
01127     {
01128       const escp2_inkname_t *ink_name = get_inktype(v);
01129       if (ink_name &&
01130           ink_name->channel_set->channel_count > color &&
01131           ink_name->channel_set->channels[color])
01132         description->is_active = 1;
01133     }
01134 }  
01135 
01136 static void
01137 set_gray_transition_parameter(const stp_vars_t *v,
01138                               stp_parameter_t *description,
01139                               int expected_channels)
01140 {
01141   const escp2_inkname_t *ink_name = get_inktype(v);
01142   description->is_active = 0;
01143   if (ink_name && ink_name->channel_set->channels[STP_ECOLOR_K] &&
01144       (ink_name->channel_set->channels[STP_ECOLOR_K]->n_subchannels ==
01145        expected_channels) &&
01146       using_automatic_settings(v, AUTO_MODE_MANUAL))
01147     fill_transition_parameters(description);
01148 }
01149 
01150 static void
01151 set_color_transition_parameter(const stp_vars_t *v,
01152                                stp_parameter_t *description,
01153                                int color)
01154 {
01155   description->is_active = 0;
01156   if (stp_get_string_parameter(v, "PrintingMode") &&
01157       strcmp(stp_get_string_parameter(v, "PrintingMode"), "BW") != 0 &&
01158       using_automatic_settings(v, AUTO_MODE_MANUAL))
01159     {
01160       const escp2_inkname_t *ink_name = get_inktype(v);
01161       if (ink_name &&
01162           ink_name->channel_set->channel_count == 4 &&
01163           ink_name->channel_set->channels[color] &&
01164           ink_name->channel_set->channels[color]->n_subchannels == 2)
01165         fill_transition_parameters(description);
01166     }
01167 }
01168 
01169 static const res_t *
01170 find_default_resolution(const stp_vars_t *v, int desired_hres, int desired_vres,
01171                         int strict)
01172 {
01173   const res_t *const *res = escp2_reslist(v);
01174   int i = 0;
01175   if (desired_hres < 0)
01176     {
01177       while (res[i])
01178         i++;
01179       i--;
01180       while (i >= 0)
01181         {
01182           if (verify_resolution(v, res[i]) &&
01183               verify_resolution_by_paper_type(v, res[i]))
01184             return res[i];
01185           i--;
01186         }
01187     }
01188   i = 0;
01189   while (res[i])
01190     {
01191       if (verify_resolution(v, res[i]) &&
01192           verify_resolution_by_paper_type(v, res[i]) &&
01193           res[i]->vres >= desired_vres && res[i]->hres >= desired_hres &&
01194           res[i]->vres <= 2 * desired_vres && res[i]->hres <= 2 * desired_hres)
01195         return res[i];
01196       i++;
01197     }
01198 #if 0
01199   if (!strict)                  /* Try again to find a match */
01200     {
01201       i = 0;
01202       while (res[i])
01203         {
01204           if (verify_resolution(v, res[i]) &&
01205               res[i]->vres >= desired_vres &&
01206               res[i]->hres >= desired_hres &&
01207               res[i]->vres <= 2 * desired_vres &&
01208               res[i]->hres <= 2 * desired_hres)
01209             return res[i];
01210           i++;
01211         }
01212     }    
01213 #endif
01214   return NULL;
01215 }
01216 
01217 static const res_t *
01218 find_resolution_from_quality(const stp_vars_t *v, const char *quality,
01219                              int strict)
01220 {
01221   int i;
01222   const quality_list_t *quals = escp2_quality_list(v);
01223   for (i = 0; i < quals->n_quals; i++)
01224     {
01225       const quality_t *q = &(quals->qualities[i]);
01226       if (strcmp(quality, q->name) == 0 &&
01227           (q->min_vres == 0 || escp2_min_vres(v) <= q->min_vres) &&
01228           (q->min_hres == 0 || escp2_min_hres(v) <= q->min_hres) &&
01229           (q->max_vres == 0 || escp2_max_vres(v) >= q->max_vres) &&
01230           (q->max_hres == 0 || escp2_max_hres(v) >= q->max_hres))
01231         {
01232           return find_default_resolution(v, q->desired_hres, q->desired_vres,
01233                                          strict);
01234         }
01235     }
01236   return NULL;
01237 }
01238 
01239 static void
01240 escp2_parameters(const stp_vars_t *v, const char *name,
01241                  stp_parameter_t *description)
01242 {
01243   int           i;
01244   description->p_type = STP_PARAMETER_TYPE_INVALID;
01245   if (name == NULL)
01246     return;
01247 
01248   for (i = 0; i < float_parameter_count; i++)
01249     if (strcmp(name, float_parameters[i].param.name) == 0)
01250       {
01251         stp_fill_parameter_settings(description,
01252                                      &(float_parameters[i].param));
01253         description->deflt.dbl = float_parameters[i].defval;
01254         description->bounds.dbl.upper = float_parameters[i].max;
01255         description->bounds.dbl.lower = float_parameters[i].min;
01256         break;
01257       }
01258 
01259   for (i = 0; i < the_parameter_count; i++)
01260     if (strcmp(name, the_parameters[i].name) == 0)
01261       {
01262         stp_fill_parameter_settings(description, &(the_parameters[i]));
01263         break;
01264       }
01265 
01266   description->deflt.str = NULL;
01267   if (strcmp(name, "AutoMode") == 0)
01268     {
01269       description->bounds.str = stp_string_list_create();
01270       stp_string_list_add_string(description->bounds.str, "None",
01271                                  _("Full Manual Control"));
01272       stp_string_list_add_string(description->bounds.str, "Auto",
01273                                  _("Automatic Setting Control"));
01274       description->deflt.str = "None"; /* so CUPS and Foomatic don't break */
01275     }      
01276   else if (strcmp(name, "PageSize") == 0)
01277     {
01278       int papersizes = stp_known_papersizes();
01279       const input_slot_t *slot = get_input_slot(v);
01280       description->bounds.str = stp_string_list_create();
01281       if (slot && slot->is_cd)
01282         {
01283           stp_string_list_add_string
01284             (description->bounds.str, "CD5Inch", _("CD - 5 inch"));
01285           stp_string_list_add_string
01286             (description->bounds.str, "CD3Inch", _("CD - 3 inch"));
01287         }         
01288       else
01289         {
01290           for (i = 0; i < papersizes; i++)
01291             {
01292               const stp_papersize_t *pt = stp_get_papersize_by_index(i);
01293               if (verify_papersize(v, pt))
01294                 stp_string_list_add_string(description->bounds.str,
01295                                            pt->name, pt->text);
01296             }
01297         }
01298       description->deflt.str =
01299         stp_string_list_param(description->bounds.str, 0)->name;
01300     }
01301   else if (strcmp(name, "CDInnerRadius") == 0)
01302     {
01303       const input_slot_t *slot = get_input_slot(v);
01304       description->bounds.str = stp_string_list_create();
01305       if (escp2_has_cap(v, MODEL_PRINT_TO_CD, MODEL_PRINT_TO_CD_YES) &&
01306           (!slot || (slot && slot->is_cd)))
01307         {
01308           stp_string_list_add_string
01309             (description->bounds.str, "None", _("Normal"));
01310           stp_string_list_add_string
01311             (description->bounds.str, "Small", _("Print To Hub"));
01312           description->deflt.str =
01313             stp_string_list_param(description->bounds.str, 0)->name;
01314         }         
01315       else
01316         description->is_active = 0;
01317     }
01318   else if (strcmp(name, "CDXAdjustment") == 0 ||
01319            strcmp(name, "CDYAdjustment") == 0)
01320     {
01321       const input_slot_t *slot = get_input_slot(v);
01322       if (escp2_has_cap(v, MODEL_PRINT_TO_CD, MODEL_PRINT_TO_CD_YES) &&
01323           (!slot || (slot && slot->is_cd)))
01324         {
01325           description->bounds.dimension.lower = -15;
01326           description->bounds.dimension.upper = 15;
01327           description->deflt.dimension = 0;
01328         }         
01329       else
01330         description->is_active = 0;
01331     }
01332   else if (strcmp(name, "Quality") == 0)
01333     {
01334       const quality_list_t *quals = escp2_quality_list(v);
01335       int has_standard_quality = 0;
01336       description->bounds.str = stp_string_list_create();
01337       stp_string_list_add_string(description->bounds.str, "None",
01338                                  _("Manual Control"));
01339       for (i = 0; i < quals->n_quals; i++)
01340         {
01341           const quality_t *q = &(quals->qualities[i]);
01342           if (((q->min_vres == 0 || escp2_min_vres(v) <= q->min_vres) &&
01343                (q->min_hres == 0 || escp2_min_hres(v) <= q->min_hres) &&
01344                (q->max_vres == 0 || escp2_max_vres(v) >= q->max_vres) &&
01345                (q->max_hres == 0 || escp2_max_hres(v) >= q->max_hres)) &&
01346               (find_resolution_from_quality(v, q->name, 1) ||
01347                (!stp_check_string_parameter(v, "MediaType",
01348                                             STP_PARAMETER_ACTIVE))))
01349             stp_string_list_add_string(description->bounds.str, q->name,
01350                                        q->text);
01351           if (strcmp(q->name, "Standard") == 0)
01352             has_standard_quality = 1;
01353         }
01354       if (has_standard_quality)
01355         description->deflt.str = "Standard";
01356       else
01357         description->deflt.str = "None";
01358     }
01359   else if (strcmp(name, "Resolution") == 0)
01360     {
01361       const res_t *const *res = escp2_reslist(v);
01362       const res_t *defval = find_default_resolution(v, 720, 360, 0);
01363       description->bounds.str = stp_string_list_create();
01364       i = 0;
01365       while (res[i])
01366         {
01367           if (verify_resolution(v, res[i]) &&
01368               (using_automatic_settings(v, AUTO_MODE_MANUAL) ||
01369                !stp_check_string_parameter(v, "MediaType",
01370                                            STP_PARAMETER_ACTIVE) ||
01371                verify_resolution_by_paper_type(v, res[i])))
01372             stp_string_list_add_string(description->bounds.str,
01373                                        res[i]->name, _(res[i]->text));
01374           i++;
01375         }
01376       if (defval)
01377         description->deflt.str = defval->name;
01378       else
01379         description->deflt.str = res[0]->name;
01380       if (!using_automatic_settings(v, AUTO_MODE_MANUAL))
01381         description->is_active = 0;
01382     }
01383   else if (strcmp(name, "InkType") == 0)
01384     {
01385       const inklist_t *inks = escp2_inklist(v);
01386       int ninktypes = inks->n_inks;
01387       description->bounds.str = stp_string_list_create();
01388       if (ninktypes > 1)
01389         {
01390           stp_string_list_add_string(description->bounds.str, "None",
01391                                      _("Standard"));
01392           for (i = 0; i < ninktypes; i++)
01393             if (verify_inktype(v, inks->inknames[i]))
01394               stp_string_list_add_string(description->bounds.str,
01395                                          inks->inknames[i]->name,
01396                                          _(inks->inknames[i]->text));
01397           description->deflt.str = "None";
01398         }
01399       if (ninktypes <= 1 || !using_automatic_settings(v, AUTO_MODE_MANUAL))
01400         description->is_active = 0;
01401     }
01402   else if (strcmp(name, "InkSet") == 0)
01403     {
01404       const inkgroup_t *inks = escp2_inkgroup(v);
01405       int ninklists = inks->n_inklists;
01406       description->bounds.str = stp_string_list_create();
01407       if (ninklists > 1)
01408         {
01409           int has_default_choice = 0;
01410           for (i = 0; i < ninklists; i++)
01411             {
01412               stp_string_list_add_string(description->bounds.str,
01413                                          inks->inklists[i]->name,
01414                                          _(inks->inklists[i]->text));
01415               if (strcmp(inks->inklists[i]->name, "None") == 0)
01416                 has_default_choice = 1;
01417             }
01418           description->deflt.str =
01419             stp_string_list_param(description->bounds.str, 0)->name;
01420           if (!using_automatic_settings(v, AUTO_MODE_MANUAL) &&
01421               has_default_choice)
01422             description->is_active = 0;
01423         }
01424       else
01425         description->is_active = 0;
01426     }
01427   else if (strcmp(name, "MediaType") == 0)
01428     {
01429       const paperlist_t *p = escp2_paperlist(v);
01430       int nmediatypes = p->paper_count;
01431       description->bounds.str = stp_string_list_create();
01432       if (nmediatypes)
01433         {
01434           for (i = 0; i < nmediatypes; i++)
01435             stp_string_list_add_string(description->bounds.str,
01436                                        p->papers[i].name,
01437                                        _(p->papers[i].text));
01438           description->deflt.str =
01439             stp_string_list_param(description->bounds.str, 0)->name;
01440         }
01441       else
01442         description->is_active = 0;
01443     }
01444   else if (strcmp(name, "InputSlot") == 0)
01445     {
01446       const input_slot_list_t *slots = escp2_input_slots(v);
01447       int ninputslots = slots->n_input_slots;
01448       description->bounds.str = stp_string_list_create();
01449       if (ninputslots)
01450         {
01451           for (i = 0; i < ninputslots; i++)
01452             stp_string_list_add_string(description->bounds.str,
01453                                        slots->slots[i].name,
01454                                        _(slots->slots[i].text));
01455           description->deflt.str =
01456             stp_string_list_param(description->bounds.str, 0)->name;
01457         }
01458       else
01459         description->is_active = 0;
01460     }
01461   else if (strcmp(name, "PrintingDirection") == 0)
01462     {
01463       description->bounds.str = stp_string_list_create();
01464       stp_string_list_add_string
01465         (description->bounds.str, "None", _("Automatic"));
01466       stp_string_list_add_string
01467         (description->bounds.str, "Bidirectional", _("Bidirectional"));
01468       stp_string_list_add_string
01469         (description->bounds.str, "Unidirectional", _("Unidirectional"));
01470       description->deflt.str =
01471         stp_string_list_param(description->bounds.str, 0)->name;
01472       if (!using_automatic_settings(v, AUTO_MODE_MANUAL))
01473         description->is_active = 0;
01474     }
01475   else if (strcmp(name, "Weave") == 0)
01476     {
01477       description->bounds.str = stp_string_list_create();
01478       if (escp2_has_cap(v, MODEL_COMMAND, MODEL_COMMAND_PRO))
01479         {
01480           const res_t *res = escp2_find_resolution(v);
01481           const printer_weave_list_t *printer_weaves = escp2_printer_weaves(v);
01482           int nprinter_weaves = 0;
01483           if (use_printer_weave(v) && (!res || res->printer_weave))
01484             nprinter_weaves = printer_weaves->n_printer_weaves;
01485           if (nprinter_weaves)
01486             {
01487               stp_string_list_add_string(description->bounds.str, "None",
01488                                          _("Standard"));
01489               for (i = 0; i < nprinter_weaves; i++)
01490                 stp_string_list_add_string(description->bounds.str,
01491                                            printer_weaves->printer_weaves[i].name,
01492                                            _(printer_weaves->printer_weaves[i].text));
01493             }
01494           else
01495             description->is_active = 0;
01496         }
01497       else
01498         {
01499           stp_string_list_add_string
01500             (description->bounds.str, "None", _("Standard"));
01501           stp_string_list_add_string
01502             (description->bounds.str, "Alternate", _("Alternate Fill"));
01503           stp_string_list_add_string
01504             (description->bounds.str, "Ascending", _("Ascending Fill"));
01505           stp_string_list_add_string
01506             (description->bounds.str, "Descending", _("Descending Fill"));
01507           stp_string_list_add_string
01508             (description->bounds.str, "Ascending2X", _("Ascending Double"));
01509           stp_string_list_add_string
01510             (description->bounds.str, "Staggered", _("Nearest Neighbor Avoidance"));
01511         }
01512       if (description->is_active)
01513         description->deflt.str =
01514           stp_string_list_param(description->bounds.str, 0)->name;
01515       if (!using_automatic_settings(v, AUTO_MODE_MANUAL))
01516         description->is_active = 0;
01517     }
01518   else if (strcmp(name, "OutputOrder") == 0)
01519     {
01520       description->bounds.str = stp_string_list_create();
01521       description->deflt.str = "Reverse";
01522     }
01523   else if (strcmp(name, "FullBleed") == 0)
01524     {
01525       const input_slot_t *slot = get_input_slot(v);
01526       if (slot && slot->is_cd)
01527         description->is_active = 0;
01528       else if (escp2_has_cap(v, MODEL_XZEROMARGIN, MODEL_XZEROMARGIN_YES))
01529         description->deflt.boolean = 0;
01530       else
01531         description->is_active = 0;
01532     }
01533   else if (strcmp(name, "AdjustDotsize") == 0)
01534     {
01535       description->deflt.boolean = 0;
01536       if (!using_automatic_settings(v, AUTO_MODE_MANUAL))
01537         description->is_active = 0;
01538     }
01539   else if (strcmp(name, "CyanDensity") == 0)
01540     set_density_parameter(v, description, STP_ECOLOR_C);
01541   else if (strcmp(name, "MagentaDensity") == 0)
01542     set_density_parameter(v, description, STP_ECOLOR_M);
01543   else if (strcmp(name, "YellowDensity") == 0)
01544     set_density_parameter(v, description, STP_ECOLOR_Y);
01545   else if (strcmp(name, "BlackDensity") == 0)
01546     set_density_parameter(v, description, STP_ECOLOR_K);
01547   else if (strcmp(name, "RedDensity") == 0)
01548     set_density_parameter(v, description, XCOLOR_R);
01549   else if (strcmp(name, "BlueDensity") == 0)
01550     set_density_parameter(v, description, XCOLOR_B);
01551   else if (strcmp(name, "GlossDensity") == 0)
01552     set_density_parameter(v, description, XCOLOR_GLOSS);
01553   else if (strcmp(name, "GrayTransition") == 0)
01554     set_gray_transition_parameter(v, description, 2);
01555   else if (strcmp(name, "Gray1Transition") == 0 ||
01556            strcmp(name, "Gray2Transition") == 0 ||
01557            strcmp(name, "Gray3Transition") == 0)
01558     set_gray_transition_parameter(v, description, 4);
01559   else if (strcmp(name, "LightCyanTransition") == 0)
01560     set_color_transition_parameter(v, description, STP_ECOLOR_C);
01561   else if (strcmp(name, "LightMagentaTransition") == 0)
01562     set_color_transition_parameter(v, description, STP_ECOLOR_M);
01563   else if (strcmp(name, "DarkYellowTransition") == 0)
01564     set_color_transition_parameter(v, description, STP_ECOLOR_Y);
01565   else if (strcmp(name, "AlignmentPasses") == 0)
01566     {
01567       description->deflt.integer = escp2_alignment_passes(v);
01568     }
01569   else if (strcmp(name, "AlignmentChoices") == 0)
01570     {
01571       description->deflt.integer = escp2_alignment_choices(v);
01572     }
01573   else if (strcmp(name, "SupportsInkChange") == 0)
01574     {
01575       description->deflt.integer =
01576         escp2_has_cap(v, MODEL_SUPPORTS_INK_CHANGE,
01577                       MODEL_SUPPORTS_INK_CHANGE_YES);
01578     }
01579   else if (strcmp(name, "AlternateAlignmentPasses") == 0)
01580     {
01581       description->deflt.integer = escp2_alternate_alignment_passes(v);
01582     }
01583   else if (strcmp(name, "AlternateAlignmentChoices") == 0)
01584     {
01585       description->deflt.integer = escp2_alternate_alignment_choices(v);
01586     }
01587   else if (strcmp(name, "InkChannels") == 0)
01588     {
01589       description->deflt.integer = escp2_physical_channels(v);
01590     }
01591   else if (strcmp(name, "SupportsPacketMode") == 0)
01592     {
01593       description->deflt.integer =
01594         escp2_has_cap(v, MODEL_PACKET_MODE, MODEL_PACKET_MODE_YES);
01595     }
01596   else if (strcmp(name, "PrintingMode") == 0)
01597     {
01598       description->bounds.str = stp_string_list_create();
01599       stp_string_list_add_string
01600         (description->bounds.str, "Color", _("Color"));
01601       stp_string_list_add_string
01602         (description->bounds.str, "BW", _("Black and White"));
01603       description->deflt.str =
01604         stp_string_list_param(description->bounds.str, 0)->name;
01605     }
01606   else if (strcmp(name, "RawChannels") == 0)
01607     {
01608       const inklist_t *inks = escp2_inklist(v);
01609       int ninktypes = inks->n_inks;
01610       description->bounds.str = stp_string_list_create();
01611       if (ninktypes > 1)
01612         {
01613           stp_string_list_add_string(description->bounds.str, "None", "None");
01614           for (i = 0; i < ninktypes; i++)
01615             if (inks->inknames[i]->inkset == INKSET_EXTENDED)
01616               {
01617                 const channel_count_t *ch =
01618                   (get_channel_count_by_number
01619                    (inks->inknames[i]->channel_set->channel_count));
01620                 stp_string_list_add_string(description->bounds.str,
01621                                            ch->name, ch->name);
01622               }
01623           description->deflt.str =
01624             stp_string_list_param(description->bounds.str, 0)->name;
01625         }
01626       if (ninktypes <= 1)
01627         description->is_active = 0;
01628     }
01629 }
01630 
01631 static const res_t *
01632 escp2_find_resolution(const stp_vars_t *v)
01633 {
01634   const char *resolution;
01635   if (stp_check_string_parameter(v, "Quality", STP_PARAMETER_ACTIVE))
01636     {
01637       const res_t *default_res =
01638         find_resolution_from_quality(v, stp_get_string_parameter(v, "Quality"),
01639                                      0);
01640       if (default_res)
01641         {
01642           stp_dprintf(STP_DBG_ESCP2, v,
01643                       "Setting resolution to %s from quality %s\n",
01644                       default_res->name,
01645                       stp_get_string_parameter(v, "Quality"));
01646           return default_res;
01647         }
01648       else
01649         stp_dprintf(STP_DBG_ESCP2, v, "Unable to map quality %s\n",
01650                     stp_get_string_parameter(v, "Quality"));
01651     }
01652   resolution = stp_get_string_parameter(v, "Resolution");
01653   if (resolution)
01654     {
01655       const res_t *const *res = escp2_reslist(v);
01656       int i = 0;
01657       while (res[i])
01658         {
01659           if (!strcmp(resolution, res[i]->name))
01660             return res[i];
01661           else if (!strcmp(res[i]->name, ""))
01662             return NULL;
01663           i++;
01664         }
01665     }
01666   return NULL;
01667 }
01668 
01669 static inline int
01670 imax(int a, int b)
01671 {
01672   if (a > b)
01673     return a;
01674   else
01675     return b;
01676 }
01677 
01678 static void
01679 internal_imageable_area(const stp_vars_t *v, int use_paper_margins,
01680                         int *left, int *right, int *bottom, int *top)
01681 {
01682   int   width, height;                  /* Size of page */
01683   int   rollfeed = 0;                   /* Roll feed selected */
01684   int   cd = 0;                 /* CD selected */
01685   const char *media_size = stp_get_string_parameter(v, "PageSize");
01686   int left_margin = 0;
01687   int right_margin = 0;
01688   int bottom_margin = 0;
01689   int top_margin = 0;
01690   const stp_papersize_t *pt = NULL;
01691   const input_slot_t *input_slot = NULL;
01692 
01693   if (media_size && use_paper_margins)
01694     pt = stp_get_papersize_by_name(media_size);
01695 
01696   input_slot = get_input_slot(v);
01697   if (input_slot)
01698     {
01699       cd = input_slot->is_cd;
01700       rollfeed = input_slot->is_roll_feed;
01701     }
01702 
01703   stp_default_media_size(v, &width, &height);
01704   if (cd)
01705     {
01706       left_margin = 0;
01707       right_margin = 0;
01708       bottom_margin = 0;
01709       top_margin = 0;
01710     }
01711   else
01712     {
01713       if (pt)
01714         {
01715           left_margin = pt->left;
01716           right_margin = pt->right;
01717           bottom_margin = pt->bottom;
01718           top_margin = pt->top;
01719         }
01720 
01721       left_margin = imax(left_margin, escp2_left_margin(v, rollfeed));
01722       right_margin = imax(right_margin, escp2_right_margin(v, rollfeed));
01723       bottom_margin = imax(bottom_margin, escp2_bottom_margin(v, rollfeed));
01724       top_margin = imax(top_margin, escp2_top_margin(v, rollfeed));
01725     }
01726   *left =       left_margin;
01727   *right =      width - right_margin;
01728   *top =        top_margin;
01729   *bottom =     height - bottom_margin;
01730   if (!cd &&
01731       escp2_has_cap(v, MODEL_XZEROMARGIN, MODEL_XZEROMARGIN_YES) &&
01732       stp_get_boolean_parameter(v, "FullBleed"))
01733     {
01734       *left -= 80 / (360 / 72); /* 80 per the Epson manual */
01735       *right += 80 / (360 / 72);        /* 80 per the Epson manual */
01736       *bottom += escp2_nozzles(v) * escp2_nozzle_separation(v) * 72 /
01737         escp2_base_separation(v);
01738     }
01739 }
01740 
01741 /*
01742  * 'escp2_imageable_area()' - Return the imageable area of the page.
01743  */
01744 
01745 static void
01746 escp2_imageable_area(const stp_vars_t *v,   /* I */
01747                      int  *left,        /* O - Left position in points */
01748                      int  *right,       /* O - Right position in points */
01749                      int  *bottom,      /* O - Bottom position in points */
01750                      int  *top)         /* O - Top position in points */
01751 {
01752   internal_imageable_area(v, 1, left, right, bottom, top);
01753 }
01754 
01755 static void
01756 escp2_limit(const stp_vars_t *v,                        /* I */
01757             int *width, int *height,
01758             int *min_width, int *min_height)
01759 {
01760   *width =      escp2_max_paper_width(v);
01761   *height =     escp2_max_paper_height(v);
01762   *min_width =  escp2_min_paper_width(v);
01763   *min_height = escp2_min_paper_height(v);
01764 }
01765 
01766 static void
01767 escp2_describe_resolution(const stp_vars_t *v, int *x, int *y)
01768 {
01769   const res_t *res = escp2_find_resolution(v);
01770   if (res && verify_resolution(v, res))
01771     {
01772       *x = res->printed_hres;
01773       *y = res->printed_vres;
01774       return;
01775     }
01776   *x = -1;
01777   *y = -1;
01778 }
01779 
01780 static const char *
01781 escp2_describe_output(const stp_vars_t *v)
01782 {
01783   const char *printing_mode = stp_get_string_parameter(v, "PrintingMode");
01784   const char *input_image_type = stp_get_string_parameter(v, "InputImageType");
01785   if (input_image_type && strcmp(input_image_type, "Raw") == 0)
01786     return "Raw";
01787   else if (printing_mode && strcmp(printing_mode, "BW") == 0)
01788     return "Grayscale";
01789   else
01790     {
01791       const escp2_inkname_t *ink_type = get_inktype(v);
01792       if (ink_type)
01793         {
01794           switch (ink_type->inkset)
01795             {
01796             case INKSET_CMYKRB:
01797               return "CMYKRB";
01798             case INKSET_CMYK:
01799             case INKSET_CcMmYK:
01800             case INKSET_CcMmYyK:
01801             case INKSET_CcMmYKk:
01802             default:
01803               if (ink_type->channel_set->channels[0])
01804                 return "KCMY";
01805               else
01806                 return "CMY";
01807               break;
01808             }
01809         }
01810       else
01811         return "CMYK";
01812     }
01813 }
01814 
01815 static int
01816 escp2_has_advanced_command_set(const stp_vars_t *v)
01817 {
01818   return (escp2_has_cap(v, MODEL_COMMAND, MODEL_COMMAND_PRO) ||
01819           escp2_has_cap(v, MODEL_COMMAND, MODEL_COMMAND_1999) ||
01820           escp2_has_cap(v, MODEL_COMMAND, MODEL_COMMAND_2000));
01821 }
01822 
01823 static int
01824 escp2_use_extended_commands(const stp_vars_t *v, int use_softweave)
01825 {
01826   return (escp2_has_cap(v, MODEL_COMMAND, MODEL_COMMAND_PRO) ||
01827           (escp2_has_cap(v, MODEL_VARIABLE_DOT, MODEL_VARIABLE_YES) &&
01828            use_softweave));
01829 }
01830 
01831 static int
01832 set_raw_ink_type(stp_vars_t *v)
01833 {
01834   const inklist_t *inks = escp2_inklist(v);
01835   int ninktypes = inks->n_inks;
01836   int i;
01837   const char *channel_name = stp_get_string_parameter(v, "RawChannels");
01838   const channel_count_t *count;
01839   if (!channel_name)
01840     return 0;
01841   count = get_channel_count_by_name(channel_name);
01842   if (!count)
01843     return 0;
01844     
01845   /*
01846    * If we're using raw printer output, we dummy up the appropriate inkset.
01847    */
01848   for (i = 0; i < ninktypes; i++)
01849     if (inks->inknames[i]->inkset == INKSET_EXTENDED &&
01850         (inks->inknames[i]->channel_set->channel_count == count->count))
01851       {
01852         stp_dprintf(STP_DBG_INK, v, "Changing ink type from %s to %s\n",
01853                     stp_get_string_parameter(v, "InkType") ?
01854                     stp_get_string_parameter(v, "InkType") : "NULL",
01855                     inks->inknames[i]->name);
01856         stp_set_string_parameter(v, "InkType", inks->inknames[i]->name);
01857         stp_set_int_parameter(v, "STPIRawChannels", count->count);
01858         return 1;
01859       }
01860   stp_eprintf
01861     (v, _("This printer does not support raw printer output at depth %d\n"),
01862      count->count);
01863   return 0;
01864 }
01865 
01866 static void
01867 adjust_density_and_ink_type(stp_vars_t *v, stp_image_t *image)
01868 {
01869   escp2_privdata_t *pd = get_privdata(v);
01870   const paper_adjustment_t *pt = pd->paper_adjustment;
01871   double paper_density = .8;
01872   int o_resid = compute_printed_resid(pd->res);
01873 
01874   if (pt)
01875     paper_density = pt->base_density;
01876 
01877   if (!stp_check_float_parameter(v, "Density", STP_PARAMETER_DEFAULTED))
01878     {
01879       stp_set_float_parameter_active(v, "Density", STP_PARAMETER_ACTIVE);
01880       stp_set_float_parameter(v, "Density", 1.0);
01881     }
01882 
01883   stp_scale_float_parameter
01884     (v, "Density", paper_density * escp2_density(v, o_resid));
01885   pd->drop_size = escp2_ink_type(v, o_resid);
01886   pd->ink_resid = o_resid;
01887 
01888   /*
01889    * If density is greater than 1, try to find the dot size from a lower
01890    * resolution that will let us print.  This allows use of high ink levels
01891    * on special paper types that need a lot of ink.
01892    */
01893   if (stp_get_float_parameter(v, "Density") > 1.0)
01894     {
01895       if (stp_check_int_parameter(v, "escp2_ink_type", STP_PARAMETER_ACTIVE) ||
01896           stp_check_int_parameter(v, "escp2_density", STP_PARAMETER_ACTIVE) ||
01897           stp_check_int_parameter(v, "escp2_bits", STP_PARAMETER_ACTIVE) ||
01898           (stp_check_boolean_parameter(v, "AdjustDotsize",
01899                                        STP_PARAMETER_ACTIVE) &&
01900            ! stp_get_boolean_parameter(v, "AdjustDotsize")))
01901         {
01902           stp_set_float_parameter(v, "Density", 1.0);
01903         }
01904       else
01905         {
01906           double density = stp_get_float_parameter(v, "Density");
01907           int resid = o_resid;
01908           int xresid = resid;
01909           double xdensity = density;
01910           while (density > 1.0 && resid >= RES_360)
01911             {
01912               int tresid = xresid - 1;
01913               int bits_now = escp2_bits(v, resid);
01914               double density_now = escp2_density(v, resid);
01915               int bits_then = escp2_bits(v, tresid);
01916               double density_then = escp2_density(v, tresid);
01917               int drop_size_then = escp2_ink_type(v, tresid);
01918 
01919               /*
01920                * If we would change the number of bits in the ink type,
01921                * don't try this.  Some resolutions require using a certain
01922                * number of bits!
01923                */
01924 
01925               if (bits_now != bits_then || density_then <= 0.0 ||
01926                   drop_size_then == -1)
01927                 break;
01928               xdensity = density * density_then / density_now / 2;
01929               xresid = tresid;
01930 
01931               /*
01932                * If we wouldn't get a significant improvement by changing the
01933                * resolution, don't waste the effort trying.
01934                */
01935               if (density / xdensity > 1.001)
01936                 {
01937                   density = xdensity;
01938                   resid = tresid;
01939                 }
01940             }
01941           pd->drop_size = escp2_ink_type(v, resid);
01942           pd->ink_resid = resid;
01943           if (density > 1.0)
01944             density = 1.0;
01945           stp_set_float_parameter(v, "Density", density);
01946         }
01947     }
01948 }
01949 
01950 static void
01951 adjust_print_quality(stp_vars_t *v, stp_image_t *image)
01952 {
01953   escp2_privdata_t *pd = get_privdata(v);
01954   stp_curve_t *adjustment = NULL;
01955   const paper_adjustment_t *pt;
01956   double k_upper = 1.0;
01957   double k_lower = 0;
01958   double k_transition = 1.0;
01959 
01960   /*
01961    * Compute the LUT.  For now, it's 8 bit, but that may eventually
01962    * sometimes change.
01963    */
01964 
01965   pt = pd->paper_adjustment;
01966   if (pt)
01967     {
01968       k_lower = pt->k_lower;
01969       k_upper = pt->k_upper;
01970       k_transition = pt->k_transition;
01971       stp_set_default_float_parameter(v, "CyanDensity", 1.0);
01972       stp_scale_float_parameter(v, "CyanDensity", pt->cyan);
01973       stp_set_default_float_parameter(v, "MagentaDensity", 1.0);
01974       stp_scale_float_parameter(v, "MagentaDensity", pt->magenta);
01975       stp_set_default_float_parameter(v, "YellowDensity", 1.0);
01976       stp_scale_float_parameter(v, "YellowDensity", pt->yellow);
01977       stp_set_default_float_parameter(v, "BlackDensity", 1.0);
01978       stp_scale_float_parameter(v, "BlackDensity", pt->black);
01979       stp_set_default_float_parameter(v, "Saturation", 1.0);
01980       stp_scale_float_parameter(v, "Saturation", pt->saturation);
01981       stp_set_default_float_parameter(v, "Gamma", 1.0);
01982       stp_scale_float_parameter(v, "Gamma", pt->gamma);
01983     }
01984 
01985 
01986   if (!stp_check_float_parameter(v, "GCRLower", STP_PARAMETER_ACTIVE))
01987     stp_set_default_float_parameter(v, "GCRLower", k_lower);
01988   if (!stp_check_float_parameter(v, "GCRUpper", STP_PARAMETER_ACTIVE))
01989     stp_set_default_float_parameter(v, "GCRUpper", k_upper);
01990   if (!stp_check_float_parameter(v, "BlackGamma", STP_PARAMETER_ACTIVE))
01991     stp_set_default_float_parameter(v, "BlackGamma", k_transition);
01992     
01993 
01994   if (!stp_check_curve_parameter(v, "HueMap", STP_PARAMETER_ACTIVE) &&
01995       pt->hue_adjustment)
01996     {
01997       adjustment = stp_curve_create_from_string(pt->hue_adjustment);
01998       stp_set_curve_parameter(v, "HueMap", adjustment);
01999       stp_set_curve_parameter_active(v, "HueMap", STP_PARAMETER_ACTIVE);
02000       stp_curve_destroy(adjustment);
02001     }
02002   if (!stp_check_curve_parameter(v, "SatMap", STP_PARAMETER_ACTIVE) &&
02003       pt->sat_adjustment)
02004     {
02005       adjustment = stp_curve_create_from_string(pt->sat_adjustment);
02006       stp_set_curve_parameter(v, "SatMap", adjustment);
02007       stp_set_curve_parameter_active(v, "SatMap", STP_PARAMETER_ACTIVE);
02008       stp_curve_destroy(adjustment);
02009     }
02010   if (!stp_check_curve_parameter(v, "LumMap", STP_PARAMETER_ACTIVE) &&
02011       pt->lum_adjustment)
02012     {
02013       adjustment = stp_curve_create_from_string(pt->lum_adjustment);
02014       stp_set_curve_parameter(v, "LumMap", adjustment);
02015       stp_set_curve_parameter_active(v, "LumMap", STP_PARAMETER_ACTIVE);
02016       stp_curve_destroy(adjustment);
02017     }
02018 }
02019 
02020 static int
02021 count_channels(const escp2_inkname_t *inks)
02022 {
02023   int answer = 0;
02024   int i;
02025   for (i = 0; i < inks->channel_set->channel_count; i++)
02026     if (inks->channel_set->channels[i])
02027       answer += inks->channel_set->channels[i]->n_subchannels;
02028   return answer;
02029 }
02030 
02031 static int
02032 compute_channel_count(const escp2_inkname_t *ink_type, int channel_limit)
02033 {
02034   int i;
02035   int physical_channels = 0;
02036   for (i = 0; i < channel_limit; i++)
02037     {
02038       const ink_channel_t *channel = ink_type->channel_set->channels[i];
02039       if (channel)
02040         physical_channels += channel->n_subchannels;
02041     }
02042   return physical_channels;
02043 }
02044 
02045 static double
02046 get_double_param(const stp_vars_t *v, const char *param)
02047 {
02048   if (param && stp_check_float_parameter(v, param, STP_PARAMETER_ACTIVE))
02049     return stp_get_float_parameter(v, param);
02050   else
02051     return 1.0;
02052 }
02053 
02054 static void
02055 setup_inks(stp_vars_t *v)
02056 {
02057   escp2_privdata_t *pd = get_privdata(v);
02058   int i, j;
02059   const escp2_dropsize_t *drops;
02060   const escp2_inkname_t *ink_type = pd->inkname;
02061   const paper_adjustment_t *paper = pd->paper_adjustment;
02062 
02063   drops = escp2_dropsizes(v, pd->ink_resid);
02064   stp_init_debug_messages(v);
02065   for (i = 0; i < pd->logical_channels; i++)
02066     {
02067       const ink_channel_t *channel = ink_type->channel_set->channels[i];
02068       if (channel && channel->n_subchannels > 0)
02069         {
02070           const char *param = channel->subchannels[0].channel_density;
02071           const shade_t *shades = escp2_shades(v, i);
02072           double userval = get_double_param(v, param);
02073           if (shades->n_shades < channel->n_subchannels)
02074             {
02075               stp_erprintf("Not enough shades!\n");
02076             }
02077           if (strcmp(param, "BlackDensity") == 0)
02078             stp_channel_set_black_channel(v, i);
02079           stp_dither_set_inks(v, i, 1.0, ink_darknesses[i % 8],
02080                               channel->n_subchannels, shades->shades,
02081                               drops->numdropsizes, drops->dropsizes);
02082           for (j = 0; j < channel->n_subchannels; j++)
02083             {
02084               const char *subparam =
02085                 channel->subchannels[j].subchannel_scale;
02086               double scale = userval * get_double_param(v, subparam);
02087               scale *= get_double_param(v, "Density");
02088               stp_channel_set_density_adjustment(v, i, j, scale);
02089               if (paper)
02090                 stp_channel_set_cutoff_adjustment(v, i, j,
02091                                                   paper->subchannel_cutoff);
02092             }
02093         }
02094     }
02095   stp_flush_debug_messages(v);
02096 }
02097 
02098 static void
02099 setup_head_offset(stp_vars_t *v)
02100 {
02101   escp2_privdata_t *pd = get_privdata(v);
02102   int i;
02103   int channel_id = 0;
02104   int channel_limit = pd->logical_channels;
02105   const escp2_inkname_t *ink_type = pd->inkname;
02106   if (pd->channels_in_use > pd->logical_channels)
02107     channel_limit = pd->channels_in_use;
02108   pd->head_offset = stp_zalloc(sizeof(int) * channel_limit);
02109   for (i = 0; i < pd->logical_channels; i++)
02110     {
02111       const ink_channel_t *channel = ink_type->channel_set->channels[i];
02112       if (channel)
02113         {
02114           int j;
02115           for (j = 0; j < channel->n_subchannels; j++)
02116             {
02117               pd->head_offset[channel_id] =
02118                 channel->subchannels[j].head_offset;
02119               channel_id++;
02120             }
02121         }
02122     }
02123   if (pd->physical_channels == 1)
02124     pd->head_offset[0] = 0;
02125   pd->max_head_offset = 0;
02126   if (pd->physical_channels > 1)
02127     for (i = 0; i < pd->channels_in_use; i++)
02128       {
02129         pd->head_offset[i] = pd->head_offset[i] * pd->res->vres /
02130           escp2_base_separation(v);
02131         if (pd->head_offset[i] > pd->max_head_offset)
02132           pd->max_head_offset = pd->head_offset[i];
02133       }
02134 }
02135 
02136 static void
02137 setup_misc(stp_vars_t *v)
02138 {
02139   escp2_privdata_t *pd = get_privdata(v);
02140   pd->input_slot = get_input_slot(v);
02141   pd->paper_type = get_media_type(v);
02142   pd->paper_adjustment = get_media_adjustment(v);
02143   pd->ink_group = escp2_inkgroup(v);
02144   pd->init_sequence = escp2_preinit_sequence(v);
02145   pd->deinit_sequence = escp2_postinit_remote_sequence(v);
02146   pd->advanced_command_set = escp2_has_advanced_command_set(v);
02147   pd->command_set = escp2_get_cap(v, MODEL_COMMAND);
02148   pd->variable_dots = escp2_has_cap(v, MODEL_VARIABLE_DOT, MODEL_VARIABLE_YES);
02149   pd->has_vacuum = escp2_has_cap(v, MODEL_VACUUM, MODEL_VACUUM_YES);
02150   pd->has_graymode = escp2_has_cap(v, MODEL_GRAYMODE, MODEL_GRAYMODE_YES);
02151   pd->base_separation = escp2_base_separation(v);
02152   pd->resolution_scale = escp2_resolution_scale(v);
02153   pd->use_extended_commands =
02154     escp2_use_extended_commands(v, pd->res->softweave);
02155 }
02156 
02157 static void
02158 allocate_channels(stp_vars_t *v, int line_length)
02159 {
02160   escp2_privdata_t *pd = get_privdata(v);
02161   const escp2_inkname_t *ink_type = pd->inkname;
02162   int i;
02163   int channel_id = 0;
02164 
02165   pd->cols = stp_zalloc(sizeof(unsigned char *) * pd->channels_in_use);
02166   pd->channels =
02167     stp_zalloc(sizeof(physical_subchannel_t *) * pd->channels_in_use);
02168 
02169   for (i = 0; i < pd->logical_channels; i++)
02170     {
02171       const ink_channel_t *channel = ink_type->channel_set->channels[i];
02172       if (channel)
02173         {
02174           int j;
02175           for (j = 0; j < channel->n_subchannels; j++)
02176             {
02177               pd->cols[channel_id] = stp_zalloc(line_length);
02178               pd->channels[channel_id] = &(channel->subchannels[j]);
02179               stp_dither_add_channel(v, pd->cols[channel_id], i, j);
02180               channel_id++;
02181             }
02182         }
02183     }
02184   stp_set_string_parameter(v, "STPIOutputType", escp2_describe_output(v));
02185 }
02186 
02187 static unsigned
02188 gcd(unsigned a, unsigned b)
02189 {
02190   unsigned tmp;
02191   if (b > a)
02192     {
02193       tmp = a;
02194       a = b;
02195       b = tmp;
02196     }
02197   while (1)
02198     {
02199       tmp = a % b;
02200       if (tmp == 0)
02201         return b;
02202       a = b;
02203       b = tmp;
02204     }
02205 }
02206 
02207 static unsigned
02208 lcm(unsigned a, unsigned b)
02209 {
02210   if (a == b)
02211     return a;
02212   else
02213     return a * b / gcd(a, b);
02214 }
02215 
02216 static int
02217 adjusted_vertical_resolution(const res_t *res)
02218 {
02219   if (res->vres >= 720)
02220     return res->vres;
02221   else if (res->hres >= 720)    /* Special case 720x360 */
02222     return 720;
02223   else if (res->vres % 90 == 0)
02224     return res->vres;
02225   else
02226     return lcm(res->hres, res->vres);
02227 }
02228 
02229 static int
02230 adjusted_horizontal_resolution(const res_t *res)
02231 {
02232   if (res->vres % 90 == 0)
02233     return res->hres;
02234   else
02235     return lcm(res->hres, res->vres);
02236 }
02237 
02238 static void
02239 setup_resolution(stp_vars_t *v)
02240 {
02241   escp2_privdata_t *pd = get_privdata(v);
02242   const res_t *res = escp2_find_resolution(v);
02243   int resid = compute_resid(res);
02244 
02245   int vertical = adjusted_vertical_resolution(res);
02246   int horizontal = adjusted_horizontal_resolution(res);
02247 
02248   pd->res = res;
02249   pd->physical_xdpi = escp2_base_res(v, resid);
02250   if (pd->physical_xdpi > pd->res->hres)
02251     pd->physical_xdpi = pd->res->hres;
02252 
02253   if (escp2_use_extended_commands(v, pd->res->softweave))
02254     {
02255       pd->unit_scale = escp2_max_hres(v);
02256       pd->horizontal_units = horizontal;
02257       pd->micro_units = horizontal;
02258     }
02259   else
02260     {
02261       pd->unit_scale = 3600;
02262       if (pd->res->hres <= 720)
02263         pd->micro_units = vertical;
02264       else
02265         pd->micro_units = horizontal;
02266       pd->horizontal_units = vertical;
02267     }
02268   if (escp2_has_cap(v, MODEL_COMMAND, MODEL_COMMAND_1999) &&
02269       escp2_has_cap(v, MODEL_VARIABLE_DOT, MODEL_VARIABLE_NO))
02270     pd->micro_units = 1440;
02271   pd->vertical_units = vertical;
02272   pd->page_management_units = vertical;
02273   pd->printing_resolution = escp2_base_res(v, resid);
02274 }
02275 
02276 static void
02277 setup_softweave_parameters(stp_vars_t *v)
02278 {
02279   escp2_privdata_t *pd = get_privdata(v);
02280   pd->horizontal_passes = pd->res->printed_hres / pd->physical_xdpi;
02281   if (pd->physical_channels == 1 &&
02282       (pd->res->vres >=
02283        (escp2_base_separation(v) / escp2_black_nozzle_separation(v))) &&
02284       (escp2_max_black_resolution(v) < 0 ||
02285        pd->res->vres <= escp2_max_black_resolution(v)) &&
02286       escp2_black_nozzles(v))
02287     pd->use_black_parameters = 1;
02288   else
02289     pd->use_black_parameters = 0;
02290   if (pd->use_fast_360)
02291     {
02292       pd->nozzles = escp2_fast_nozzles(v);
02293       pd->nozzle_separation = escp2_fast_nozzle_separation(v);
02294       pd->min_nozzles = escp2_min_fast_nozzles(v);
02295     }
02296   else if (pd->use_black_parameters)
02297     {
02298       pd->nozzles = escp2_black_nozzles(v);
02299       pd->nozzle_separation = escp2_black_nozzle_separation(v);
02300       pd->min_nozzles = escp2_min_black_nozzles(v);
02301     }
02302   else
02303     {
02304       pd->nozzles = escp2_nozzles(v);
02305       pd->nozzle_separation = escp2_nozzle_separation(v);
02306       pd->min_nozzles = escp2_min_nozzles(v);
02307     }
02308 }
02309 
02310 static void
02311 setup_printer_weave_parameters(stp_vars_t *v)
02312 {
02313   escp2_privdata_t *pd = get_privdata(v);
02314   pd->horizontal_passes = 1;
02315   pd->nozzles = 1;
02316   pd->nozzle_separation = 1;
02317   pd->min_nozzles = 1;
02318   pd->use_black_parameters = 0;
02319 }
02320 
02321 static void
02322 setup_head_parameters(stp_vars_t *v)
02323 {
02324   escp2_privdata_t *pd = get_privdata(v);
02325   /*
02326    * Set up the output channels
02327    */
02328   if (strcmp(stp_get_string_parameter(v, "PrintingMode"), "BW") == 0)
02329     pd->logical_channels = 1;
02330   else
02331     pd->logical_channels = pd->inkname->channel_set->channel_count;
02332 
02333   pd->physical_channels =
02334     compute_channel_count(pd->inkname, pd->logical_channels);
02335   if (pd->physical_channels == 0)
02336     {
02337       pd->inkname = &stpi_escp2_default_black_inkset;
02338       pd->physical_channels =
02339         compute_channel_count(pd->inkname, pd->logical_channels);
02340     }
02341 
02342   pd->use_printer_weave = use_printer_weave(v);
02343   if (pd->use_printer_weave)
02344     {
02345       pd->printer_weave = get_printer_weave(v);
02346       if (pd->res->softweave && pd->printer_weave && pd->printer_weave->value == 0)
02347         pd->printer_weave = NULL;
02348     }
02349   
02350 
02351   if (escp2_has_cap(v, MODEL_FAST_360, MODEL_FAST_360_YES) &&
02352       (pd->inkname->inkset == INKSET_CMYK || pd->physical_channels == 1) &&
02353       pd->res->hres == pd->physical_xdpi && pd->res->vres == 360)
02354     pd->use_fast_360 = 1;
02355   else
02356     pd->use_fast_360 = 0;
02357 
02358   /*
02359    * Set up the printer-specific parameters (weaving)
02360    */
02361   if (pd->use_printer_weave)
02362     setup_printer_weave_parameters(v);
02363   else
02364     setup_softweave_parameters(v);
02365   pd->separation_rows = escp2_separation_rows(v);
02366   pd->pseudo_separation_rows = escp2_pseudo_separation_rows(v);
02367   pd->extra_720dpi_separation = escp2_extra_720dpi_separation(v);
02368 
02369   if (pd->horizontal_passes == 0)
02370     pd->horizontal_passes = 1;
02371 
02372   setup_head_offset(v);
02373 
02374   if (strcmp(stp_get_string_parameter(v, "PrintingMode"), "BW") == 0 &&
02375       pd->physical_channels == 1)
02376     {
02377       if (pd->use_black_parameters)
02378         pd->initial_vertical_offset =
02379           escp2_black_initial_vertical_offset(v) * pd->page_management_units /
02380           escp2_base_separation(v);
02381       else
02382         pd->initial_vertical_offset = pd->head_offset[0] +
02383           (escp2_initial_vertical_offset(v) *
02384            pd->page_management_units / escp2_base_separation(v));
02385     }
02386   else
02387     pd->initial_vertical_offset =
02388       escp2_initial_vertical_offset(v) * pd->page_management_units /
02389       escp2_base_separation(v);
02390 
02391   pd->printing_initial_vertical_offset = 0;
02392   pd->bitwidth = escp2_bits(v, compute_printed_resid(pd->res));
02393 }
02394 
02395 static void
02396 setup_page(stp_vars_t *v)
02397 {
02398   int n;
02399   escp2_privdata_t *pd = get_privdata(v);
02400   const input_slot_t *input_slot = get_input_slot(v);
02401   int extra_left = 0;
02402   int extra_top = 0;
02403   const char *inner_radius_name = stp_get_string_parameter(v, "CDInnerRadius");
02404   int hub_size = 43;            /* 43 mm standard CD hub */
02405 
02406   if (inner_radius_name && strcmp(inner_radius_name, "Small") == 0)
02407     hub_size = 16;              /* 15 mm prints to the hole - play it
02408                                    safe and print 16 mm */
02409 
02410   stp_default_media_size(v, &n, &(pd->page_true_height));
02411   internal_imageable_area(v, 0, &pd->page_left, &pd->page_right,
02412                           &pd->page_bottom, &pd->page_top);
02413 
02414   if (input_slot && input_slot->is_cd && escp2_cd_x_offset(v) > 0)
02415     {
02416       int left_center = escp2_cd_x_offset(v) +
02417         stp_get_dimension_parameter(v, "CDXAdjustment");
02418       int top_center = escp2_cd_y_offset(v) +
02419         stp_get_dimension_parameter(v, "CDYAdjustment");
02420       extra_top = top_center - (pd->page_bottom / 2);
02421       extra_left = left_center - (pd->page_right / 2);
02422       pd->cd_inner_radius = hub_size * pd->micro_units * 10 / 254 / 2;
02423       pd->cd_outer_radius = pd->page_right * pd->micro_units / 72 / 2;
02424       pd->cd_x_offset =
02425         ((pd->page_right / 2) - stp_get_left(v)) * pd->micro_units / 72;
02426       pd->cd_y_offset =
02427         ((pd->page_bottom / 2) - stp_get_top(v)) * pd->micro_units / 72;
02428       if (escp2_cd_page_height(v))
02429         {
02430           pd->page_right = escp2_cd_page_width(v);
02431           pd->page_bottom = escp2_cd_page_height(v);
02432           pd->page_true_height = escp2_cd_page_height(v);
02433         }
02434     }
02435 
02436   pd->page_right += extra_left + 1;
02437   pd->page_width = pd->page_right - pd->page_left;
02438   pd->image_left = stp_get_left(v) - pd->page_left + extra_left;
02439   pd->image_width = stp_get_width(v);
02440   pd->image_scaled_width = pd->image_width * pd->res->hres / 72;
02441   pd->image_printed_width = pd->image_width * pd->res->printed_hres / 72;
02442   pd->image_left_position = pd->image_left * pd->micro_units / 72;
02443 
02444 
02445   pd->page_bottom += extra_top + 1;
02446   pd->page_true_height += extra_top + 1;
02447   pd->page_height = pd->page_bottom - pd->page_top;
02448   pd->image_top = stp_get_top(v) - pd->page_top + extra_top;
02449   pd->image_height = stp_get_height(v);
02450   pd->image_scaled_height = pd->image_height * pd->res->vres / 72;
02451   pd->image_printed_height = pd->image_height * pd->res->printed_vres / 72;
02452 
02453   if (input_slot && input_slot->roll_feed_cut_flags)
02454     {
02455       pd->page_true_height += 4; /* Empirically-determined constants */
02456       pd->page_top += 2;
02457       pd->page_bottom += 2;
02458       pd->image_top += 2;
02459       pd->page_height += 2;
02460     }
02461 }
02462 
02463 static void
02464 set_mask(unsigned char *cd_mask, int x_center, int scaled_x_where,
02465          int limit, int expansion, int invert)
02466 {
02467   int clear_val = invert ? 255 : 0;
02468   int set_val = invert ? 0 : 255;
02469   int bytesize = 8 / expansion;
02470   int byteextra = bytesize - 1;
02471   int first_x_on = x_center - scaled_x_where;
02472   int first_x_off = x_center + scaled_x_where;
02473   if (first_x_on < 0)
02474     first_x_on = 0;
02475   if (first_x_on > limit)
02476     first_x_on = limit;
02477   if (first_x_off < 0)
02478     first_x_off = 0;
02479   if (first_x_off > limit)
02480     first_x_off = limit;
02481   first_x_on += byteextra;
02482   if (first_x_off > (first_x_on - byteextra))
02483     {
02484       int first_x_on_byte = first_x_on / bytesize;
02485       int first_x_on_mod = expansion * (byteextra - (first_x_on % bytesize));
02486       int first_x_on_extra = ((1 << first_x_on_mod) - 1) ^ clear_val;
02487       int first_x_off_byte = first_x_off / bytesize;
02488       int first_x_off_mod = expansion * (byteextra - (first_x_off % bytesize));
02489       int first_x_off_extra = ((1 << 8) - (1 << first_x_off_mod)) ^ clear_val;
02490       if (first_x_off_byte < first_x_on_byte)
02491         {
02492           /* This can happen, if 6 or fewer points are turned on */
02493           cd_mask[first_x_on_byte] = first_x_on_extra & first_x_off_extra;
02494         }
02495       else
02496         {
02497           if (first_x_on_extra != clear_val)
02498             cd_mask[first_x_on_byte - 1] = first_x_on_extra;
02499           if (first_x_off_byte > first_x_on_byte)
02500             memset(cd_mask + first_x_on_byte, set_val,
02501                    first_x_off_byte - first_x_on_byte);
02502           if (first_x_off_extra != clear_val)
02503             cd_mask[first_x_off_byte] = first_x_off_extra;
02504         }
02505     }
02506 }  
02507 
02508 static int
02509 escp2_print_data(stp_vars_t *v, stp_image_t *image)
02510 {
02511   escp2_privdata_t *pd = get_privdata(v);
02512   int errdiv  = stp_image_height(image) / pd->image_printed_height;
02513   int errmod  = stp_image_height(image) % pd->image_printed_height;
02514   int errval  = 0;
02515   int errlast = -1;
02516   int errline  = 0;
02517   int y;
02518   double outer_r_sq = 0;
02519   double inner_r_sq = 0;
02520   int x_center = pd->cd_x_offset * pd->res->printed_hres / pd->micro_units;
02521   unsigned char *cd_mask = NULL;
02522   if (pd->cd_outer_radius > 0)
02523     {
02524       cd_mask = stp_malloc(1 + (pd->image_printed_width + 7) / 8);
02525       outer_r_sq = (double) pd->cd_outer_radius * (double) pd->cd_outer_radius;
02526       inner_r_sq = (double) pd->cd_inner_radius * (double) pd->cd_inner_radius;
02527     }
02528 
02529   for (y = 0; y < pd->image_printed_height; y ++)
02530     {
02531       int duplicate_line = 1;
02532       unsigned zero_mask;
02533 
02534       if (errline != errlast)
02535         {
02536           errlast = errline;
02537           duplicate_line = 0;
02538           if (stp_color_get_row(v, image, errline, &zero_mask))
02539             return 2;
02540         }
02541 
02542       if (cd_mask)
02543         {
02544           int y_distance_from_center =
02545             pd->cd_outer_radius - (y * pd->micro_units / pd->res->printed_vres);
02546           if (y_distance_from_center < 0)
02547             y_distance_from_center = -y_distance_from_center;
02548           memset(cd_mask, 0, (pd->image_printed_width + 7) / 8);
02549           if (y_distance_from_center < pd->cd_outer_radius)
02550             {
02551               double y_sq = (double) y_distance_from_center *
02552                 (double) y_distance_from_center;
02553               int x_where = sqrt(outer_r_sq - y_sq) + .5;
02554               int scaled_x_where = x_where * pd->res->printed_hres / pd->micro_units;
02555               set_mask(cd_mask, x_center, scaled_x_where,
02556                        pd->image_printed_width, 1, 0);
02557               if (y_distance_from_center < pd->cd_inner_radius)
02558                 {
02559                   x_where = sqrt(inner_r_sq - y_sq) + .5;
02560                   scaled_x_where = x_where * pd->res->printed_hres / pd->micro_units;
02561                   set_mask(cd_mask, x_center, scaled_x_where,
02562                            pd->image_printed_width, 1, 1);
02563                 }
02564             }
02565         }
02566 
02567       stp_dither(v, y, duplicate_line, zero_mask, cd_mask);
02568 
02569       stp_write_weave(v, pd->cols);
02570       errval += errmod;
02571       errline += errdiv;
02572       if (errval >= pd->image_printed_height)
02573         {
02574           errval -= pd->image_printed_height;
02575           errline ++;
02576         }
02577     }
02578   if (cd_mask)
02579     stp_free(cd_mask);
02580   return 1;
02581 }
02582 
02583 static int
02584 escp2_print_page(stp_vars_t *v, stp_image_t *image)
02585 {
02586   int status;
02587   int i;
02588   escp2_privdata_t *pd = get_privdata(v);
02589   int out_channels;             /* Output bytes per pixel */
02590   int line_width = (pd->image_printed_width + 7) / 8 * pd->bitwidth;
02591   int weave_pattern = STP_WEAVE_ZIGZAG;
02592   if (stp_check_string_parameter(v, "Weave", STP_PARAMETER_ACTIVE))
02593     {
02594       const char *weave = stp_get_string_parameter(v, "Weave");
02595       if (strcmp(weave, "Alternate") == 0)
02596         weave_pattern = STP_WEAVE_ZIGZAG;
02597       else if (strcmp(weave, "Ascending") == 0)
02598         weave_pattern = STP_WEAVE_ASCENDING;
02599       else if (strcmp(weave, "Descending") == 0)
02600         weave_pattern = STP_WEAVE_DESCENDING;
02601       else if (strcmp(weave, "Ascending2X") == 0)
02602         weave_pattern = STP_WEAVE_ASCENDING_2X;
02603       else if (strcmp(weave, "Staggered") == 0)
02604         weave_pattern = STP_WEAVE_STAGGERED;
02605     }
02606 
02607   stp_initialize_weave
02608     (v,
02609      pd->nozzles,
02610      pd->nozzle_separation * pd->res->vres / escp2_base_separation(v),
02611      pd->horizontal_passes,
02612      pd->res->vertical_passes,
02613      1,
02614      pd->channels_in_use,
02615      pd->bitwidth,
02616      pd->image_printed_width,
02617      pd->image_printed_height,
02618      pd->image_top * pd->res->vres / 72,
02619      (pd->page_height + escp2_extra_feed(v)) * pd->res->vres / 72,
02620      pd->head_offset,
02621      weave_pattern,
02622      stpi_escp2_flush_pass,
02623      FILLFUNC,
02624      PACKFUNC,
02625      COMPUTEFUNC);
02626 
02627   stp_dither_init(v, image, pd->image_printed_width, pd->res->printed_hres,
02628                   pd->res->printed_vres);
02629   allocate_channels(v, line_width);
02630   adjust_print_quality(v, image);
02631   out_channels = stp_color_init(v, image, 65536);
02632 
02633 /*  stpi_dither_set_expansion(v, pd->res->hres / pd->res->printed_hres); */
02634 
02635   setup_inks(v);
02636 
02637   status = escp2_print_data(v, image);
02638   stp_image_conclude(image);
02639   stp_flush_all(v);
02640   stpi_escp2_terminate_page(v);
02641 
02642   /*
02643    * Cleanup...
02644    */
02645   for (i = 0; i < pd->channels_in_use; i++)
02646     if (pd->cols[i])
02647       stp_free(pd->cols[i]);
02648   stp_free(pd->cols);
02649   stp_free(pd->channels);
02650   return status;
02651 }
02652 
02653 /*
02654  * 'escp2_print()' - Print an image to an EPSON printer.
02655  */
02656 static int
02657 escp2_do_print(stp_vars_t *v, stp_image_t *image, int print_op)
02658 {
02659   int status = 1;
02660 
02661   escp2_privdata_t *pd;
02662 
02663   if (!stp_verify(v))
02664     {
02665       stp_eprintf(v, _("Print options not verified; cannot print.\n"));
02666       return 0;
02667     }
02668   stp_image_init(image);
02669 
02670   if (strcmp(stp_get_string_parameter(v, "InputImageType"), "Raw") == 0 &&
02671       !set_raw_ink_type(v))
02672     return 0;
02673 
02674   pd = (escp2_privdata_t *) stp_zalloc(sizeof(escp2_privdata_t));
02675   pd->printed_something = 0;
02676   pd->last_color = -1;
02677   pd->last_pass_offset = 0;
02678   pd->last_pass = -1;
02679   pd->send_zero_pass_advance =
02680     escp2_has_cap(v, MODEL_SEND_ZERO_ADVANCE, MODEL_SEND_ZERO_ADVANCE_YES);
02681   stp_allocate_component_data(v, "Driver", NULL, NULL, pd);
02682 
02683   pd->inkname = get_inktype(v);
02684   pd->channels_in_use = count_channels(pd->inkname);
02685 
02686   setup_resolution(v);
02687   setup_head_parameters(v);
02688   setup_page(v);
02689   setup_misc(v);
02690 
02691   adjust_density_and_ink_type(v, image);
02692   if (print_op & OP_JOB_START)
02693     stpi_escp2_init_printer(v);
02694   if (print_op & OP_JOB_PRINT)
02695     status = escp2_print_page(v, image);
02696   if (print_op & OP_JOB_END)
02697     stpi_escp2_deinit_printer(v);
02698 
02699   stp_free(pd->head_offset);
02700   stp_free(pd);
02701 
02702   return status;
02703 }
02704 
02705 static int
02706 escp2_print(const stp_vars_t *v, stp_image_t *image)
02707 {
02708   stp_vars_t *nv = stp_vars_create_copy(v);
02709   int op = OP_JOB_PRINT;
02710   int status;
02711   if (!stp_get_string_parameter(v, "JobMode") ||
02712       strcmp(stp_get_string_parameter(v, "JobMode"), "Page") == 0)
02713     op = OP_JOB_START | OP_JOB_PRINT | OP_JOB_END;
02714   stp_prune_inactive_options(nv);
02715   status = escp2_do_print(nv, image, op);
02716   stp_vars_destroy(nv);
02717   return status;
02718 }
02719 
02720 static int
02721 escp2_job_start(const stp_vars_t *v, stp_image_t *image)
02722 {
02723   stp_vars_t *nv = stp_vars_create_copy(v);
02724   int status;
02725   stp_prune_inactive_options(nv);
02726   status = escp2_do_print(nv, image, OP_JOB_START);
02727   stp_vars_destroy(nv);
02728   return status;
02729 }
02730 
02731 static int
02732 escp2_job_end(const stp_vars_t *v, stp_image_t *image)
02733 {
02734   stp_vars_t *nv = stp_vars_create_copy(v);
02735   int status;
02736   stp_prune_inactive_options(nv);
02737   status = escp2_do_print(nv, image, OP_JOB_END);
02738   stp_vars_destroy(nv);
02739   return status;
02740 }
02741 
02742 static const stp_printfuncs_t print_escp2_printfuncs =
02743 {
02744   escp2_list_parameters,
02745   escp2_parameters,
02746   stp_default_media_size,
02747   escp2_imageable_area,
02748   escp2_limit,
02749   escp2_print,
02750   escp2_describe_resolution,
02751   escp2_describe_output,
02752   stp_verify_printer_params,
02753   escp2_job_start,
02754   escp2_job_end
02755 };
02756 
02757 static stp_family_t print_escp2_module_data =
02758   {
02759     &print_escp2_printfuncs,
02760     NULL
02761   };
02762 
02763 
02764 static int
02765 print_escp2_module_init(void)
02766 {
02767   return stp_family_register(print_escp2_module_data.printer_list);
02768 }
02769 
02770 
02771 static int
02772 print_escp2_module_exit(void)
02773 {
02774   return stp_family_unregister(print_escp2_module_data.printer_list);
02775 }
02776 
02777 
02778 /* Module header */
02779 #define stp_module_version print_escp2_LTX_stp_module_version
02780 #define stp_module_data print_escp2_LTX_stp_module_data
02781 
02782 stp_module_version_t stp_module_version = {0, 0};
02783 
02784 stp_module_t stp_module_data =
02785   {
02786     "escp2",
02787     VERSION,
02788     "Epson family driver",
02789     STP_MODULE_CLASS_FAMILY,
02790     NULL,
02791     print_escp2_module_init,
02792     print_escp2_module_exit,
02793     (void *) &print_escp2_module_data
02794   };
02795 

Generated on Wed Aug 25 07:56:14 2004 for libgimpprint API Reference by doxygen 1.3.6