printing/print_settings.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "printing/print_settings.h"
   6
   7 #include "base/atomic_sequence_num.h"
   8 #include "base/logging.h"
   9 #include "printing/print_job_constants.h"
  10 #include "printing/units.h"
  11
  12 namespace printing {
  13
  14 #if defined(USE_CUPS)
  15 void GetColorModelForMode(
  16     int color_mode, std::string* color_setting_name, std::string* color_value) {
  17 #if defined(OS_MACOSX)
  18   const char kCUPSColorMode[] = "ColorMode";
  19   const char kCUPSColorModel[] = "ColorModel";
  20   const char kCUPSPrintoutMode[] = "PrintoutMode";
  21   const char kCUPSProcessColorModel[] = "ProcessColorModel";
  22 #else
  23   const char kCUPSColorMode[] = "cups-ColorMode";
  24   const char kCUPSColorModel[] = "cups-ColorModel";
  25   const char kCUPSPrintoutMode[] = "cups-PrintoutMode";
  26   const char kCUPSProcessColorModel[] = "cups-ProcessColorModel";
  27 #endif  // defined(OS_MACOSX)
  28
  29   color_setting_name->assign(kCUPSColorModel);
  30   switch (color_mode) {
  31     case COLOR:
  32       color_value->assign(kColor);
  33       break;
  34     case CMYK:
  35       color_value->assign(kCMYK);
  36       break;
  37     case PRINTOUTMODE_NORMAL:
  38       color_value->assign(kNormal);
  39       color_setting_name->assign(kCUPSPrintoutMode);
  40       break;
  41     case PRINTOUTMODE_NORMAL_GRAY:
  42       color_value->assign(kNormalGray);
  43       color_setting_name->assign(kCUPSPrintoutMode);
  44       break;
  45     case RGB16:
  46       color_value->assign(kRGB16);
  47       break;
  48     case RGBA:
  49       color_value->assign(kRGBA);
  50       break;
  51     case RGB:
  52       color_value->assign(kRGB);
  53       break;
  54     case CMY:
  55       color_value->assign(kCMY);
  56       break;
  57     case CMY_K:
  58       color_value->assign(kCMY_K);
  59       break;
  60     case BLACK:
  61       color_value->assign(kBlack);
  62       break;
  63     case GRAY:
  64       color_value->assign(kGray);
  65       break;
  66     case COLORMODE_COLOR:
  67       color_setting_name->assign(kCUPSColorMode);
  68       color_value->assign(kColor);
  69       break;
  70     case COLORMODE_MONOCHROME:
  71       color_setting_name->assign(kCUPSColorMode);
  72       color_value->assign(kMonochrome);
  73       break;
  74     case HP_COLOR_COLOR:
  75       color_setting_name->assign(kColor);
  76       color_value->assign(kColor);
  77       break;
  78     case HP_COLOR_BLACK:
  79       color_setting_name->assign(kColor);
  80       color_value->assign(kBlack);
  81       break;
  82     case PROCESSCOLORMODEL_CMYK:
  83       color_setting_name->assign(kCUPSProcessColorModel);
  84       color_value->assign(kCMYK);
  85       break;
  86     case PROCESSCOLORMODEL_GREYSCALE:
  87       color_setting_name->assign(kCUPSProcessColorModel);
  88       color_value->assign(kGreyscale);
  89       break;
  90     case PROCESSCOLORMODEL_RGB:
  91       color_setting_name->assign(kCUPSProcessColorModel);
  92       color_value->assign(kRGB);
  93       break;
  94     default:
  95       color_value->assign(kGrayscale);
  96       break;
  97   }
  98 }
  99 #endif  // defined(USE_CUPS)
 100
 101 bool IsColorModelSelected(int color_mode) {
 102   return (color_mode != GRAY &&
 103           color_mode != BLACK &&
 104           color_mode != PRINTOUTMODE_NORMAL_GRAY &&
 105           color_mode != COLORMODE_MONOCHROME &&
 106           color_mode != PROCESSCOLORMODEL_GREYSCALE &&
 107           color_mode != HP_COLOR_BLACK);
 108 }
 109
 110 // Global SequenceNumber used for generating unique cookie values.
 111 static base::StaticAtomicSequenceNumber cookie_seq;
 112
 113 PrintSettings::PrintSettings() {
 114   Clear();
 115 }
 116
 117 PrintSettings::~PrintSettings() {
 118 }
 119
 120 void PrintSettings::Clear() {
 121   ranges_.clear();
 122   margin_type_ = DEFAULT_MARGINS;
 123   min_shrink_ = 1.25;
 124   max_shrink_ = 2.;
 125   desired_dpi_ = 72;
 126   selection_only_ = false;
 127   title_ = base::string16();
 128   url_ = base::string16();
 129   display_header_footer_ = false;
 130   device_name_.clear();
 131   page_setup_device_units_.Clear();
 132   dpi_ = 0;
 133   landscape_ = false;
 134   supports_alpha_blend_ = true;
 135   should_print_backgrounds_ = false;
 136   collate_ = false;
 137   color_ = UNKNOWN_COLOR_MODEL;
 138   copies_ = 0;
 139   duplex_mode_ = UNKNOWN_DUPLEX_MODE;
 140 }
 141
 142 void PrintSettings::SetPrinterPrintableArea(
 143     const gfx::Size& physical_size_device_units,
 144     const gfx::Rect& printable_area_device_units,
 145     bool landscape_needs_flip) {
 146   int units_per_inch = device_units_per_inch();
 147   int header_footer_text_height = 0;
 148   if (display_header_footer_) {
 149     // Hard-code text_height = 0.5cm = ~1/5 of inch.
 150     header_footer_text_height = ConvertUnit(kSettingHeaderFooterInterstice,
 151                                             kPointsPerInch, units_per_inch);
 152   }
 153
 154   PageMargins margins;
 155   switch (margin_type_) {
 156     case DEFAULT_MARGINS: {
 157       // Default margins 1.0cm = ~2/5 of an inch.
 158       int margin_printer_units = ConvertUnit(1000, kHundrethsMMPerInch,
 159                                              units_per_inch);
 160       margins.header = header_footer_text_height;
 161       margins.footer = header_footer_text_height;
 162       margins.top = margin_printer_units;
 163       margins.bottom = margin_printer_units;
 164       margins.left = margin_printer_units;
 165       margins.right = margin_printer_units;
 166       break;
 167     }
 168     case NO_MARGINS:
 169     case PRINTABLE_AREA_MARGINS: {
 170       margins.header = 0;
 171       margins.footer = 0;
 172       margins.top = 0;
 173       margins.bottom = 0;
 174       margins.left = 0;
 175       margins.right = 0;
 176       break;
 177     }
 178     case CUSTOM_MARGINS: {
 179       margins.header = 0;
 180       margins.footer = 0;
 181       margins.top = ConvertUnitDouble(
 182           requested_custom_margins_in_points_.top,
 183           kPointsPerInch,
 184           units_per_inch);
 185       margins.bottom = ConvertUnitDouble(
 186           requested_custom_margins_in_points_.bottom,
 187           kPointsPerInch,
 188           units_per_inch);
 189       margins.left = ConvertUnitDouble(
 190           requested_custom_margins_in_points_.left,
 191           kPointsPerInch,
 192           units_per_inch);
 193       margins.right = ConvertUnitDouble(
 194           requested_custom_margins_in_points_.right,
 195           kPointsPerInch,
 196           units_per_inch);
 197       break;
 198     }
 199     default: {
 200       NOTREACHED();
 201     }
 202   }
 203
 204   if (margin_type_ == DEFAULT_MARGINS || margin_type_ == PRINTABLE_AREA_MARGINS)
 205     page_setup_device_units_.SetRequestedMargins(margins);
 206   else
 207     page_setup_device_units_.ForceRequestedMargins(margins);
 208
 209   page_setup_device_units_.Init(physical_size_device_units,
 210                                 printable_area_device_units,
 211                                 header_footer_text_height);
 212   if (landscape_ && landscape_needs_flip)
 213     page_setup_device_units_.FlipOrientation();
 214 }
 215
 216 void PrintSettings::SetCustomMargins(
 217     const PageMargins& requested_margins_in_points) {
 218   requested_custom_margins_in_points_ = requested_margins_in_points;
 219   margin_type_ = CUSTOM_MARGINS;
 220 }
 221
 222 int PrintSettings::NewCookie() {
 223   // A cookie of 0 is used to mark a document as unassigned, count from 1.
 224   return cookie_seq.GetNext() + 1;
 225 }
 226
 227 void PrintSettings::SetOrientation(bool landscape) {
 228   if (landscape_ != landscape) {
 229     landscape_ = landscape;
 230     page_setup_device_units_.FlipOrientation();
 231   }
 232 }
 233
 234 }  // namespace printing