printing/print_settings.cc

   1 // Copyright (c) 2011 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 model) {
 102   return (model != GRAY &&
 103           model != BLACK &&
 104           model != PRINTOUTMODE_NORMAL_GRAY &&
 105           model != COLORMODE_MONOCHROME &&
 106           model != PROCESSCOLORMODEL_GREYSCALE &&
 107           model != HP_COLOR_BLACK);
 108 }
 109
 110 // Global SequenceNumber used for generating unique cookie values.
 111 static base::AtomicSequenceNumber cookie_seq(base::LINKER_INITIALIZED);
 112
 113 PrintSettings::PrintSettings()
 114     : min_shrink(1.25),
 115       max_shrink(2.0),
 116       desired_dpi(72),
 117       selection_only(false),
 118       margin_type(DEFAULT_MARGINS),
 119       display_header_footer(false),
 120       dpi_(0),
 121       landscape_(false),
 122       supports_alpha_blend_(true) {
 123 }
 124
 125 PrintSettings::~PrintSettings() {
 126 }
 127
 128 void PrintSettings::Clear() {
 129   ranges.clear();
 130   min_shrink = 1.25;
 131   max_shrink = 2.;
 132   desired_dpi = 72;
 133   selection_only = false;
 134   date = string16();
 135   title = string16();
 136   url = string16();
 137   display_header_footer = false;
 138   printer_name_.clear();
 139   device_name_.clear();
 140   page_setup_device_units_.Clear();
 141   dpi_ = 0;
 142   landscape_ = false;
 143   supports_alpha_blend_ = true;
 144 }
 145
 146 void PrintSettings::SetPrinterPrintableArea(
 147     gfx::Size const& physical_size_device_units,
 148     gfx::Rect const& printable_area_device_units,
 149     int units_per_inch) {
 150   int header_footer_text_height = 0;
 151   if (display_header_footer) {
 152     // Hard-code text_height = 0.5cm = ~1/5 of inch.
 153     header_footer_text_height = ConvertUnit(kSettingHeaderFooterInterstice,
 154                                             kPointsPerInch, units_per_inch);
 155   }
 156
 157   PageMargins margins;
 158   switch (margin_type) {
 159     case DEFAULT_MARGINS: {
 160       // Default margins 1.0cm = ~2/5 of an inch.
 161       int margin_printer_units = ConvertUnit(1000, kHundrethsMMPerInch,
 162                                              units_per_inch);
 163       margins.header = header_footer_text_height;
 164       margins.footer = header_footer_text_height;
 165       margins.top = margin_printer_units;
 166       margins.bottom = margin_printer_units;
 167       margins.left = margin_printer_units;
 168       margins.right = margin_printer_units;
 169       break;
 170     }
 171     case NO_MARGINS:
 172     case PRINTABLE_AREA_MARGINS: {
 173       margins.header = 0;
 174       margins.footer = 0;
 175       margins.top = 0;
 176       margins.bottom = 0;
 177       margins.left = 0;
 178       margins.right = 0;
 179       break;
 180     }
 181     case CUSTOM_MARGINS: {
 182       margins.header = 0;
 183       margins.footer = 0;
 184       margins.top = ConvertUnitDouble(
 185           requested_custom_margins_in_points_.top,
 186           kPointsPerInch,
 187           units_per_inch);
 188       margins.bottom = ConvertUnitDouble(
 189           requested_custom_margins_in_points_.bottom,
 190           kPointsPerInch,
 191           units_per_inch);
 192       margins.left = ConvertUnitDouble(
 193           requested_custom_margins_in_points_.left,
 194           kPointsPerInch,
 195           units_per_inch);
 196       margins.right = ConvertUnitDouble(
 197           requested_custom_margins_in_points_.right,
 198           kPointsPerInch,
 199           units_per_inch);
 200       break;
 201     }
 202     default: {
 203       NOTREACHED();
 204     }
 205   }
 206
 207   if (margin_type == DEFAULT_MARGINS || margin_type == PRINTABLE_AREA_MARGINS)
 208     page_setup_device_units_.SetRequestedMargins(margins);
 209   else
 210     page_setup_device_units_.ForceRequestedMargins(margins);
 211
 212   page_setup_device_units_.Init(physical_size_device_units,
 213                                 printable_area_device_units,
 214                                 header_footer_text_height);
 215 }
 216
 217 void PrintSettings::SetCustomMargins(
 218     const PageMargins& requested_margins_in_points) {
 219   requested_custom_margins_in_points_ = requested_margins_in_points;
 220   margin_type = CUSTOM_MARGINS;
 221 }
 222
 223 bool PrintSettings::Equals(const PrintSettings& rhs) const {
 224   // Do not test the display device name (printer_name_) for equality since it
 225   // may sometimes be chopped off at 30 chars. As long as device_name is the
 226   // same, that's fine.
 227   return ranges == rhs.ranges &&
 228       min_shrink == rhs.min_shrink &&
 229       max_shrink == rhs.max_shrink &&
 230       desired_dpi == rhs.desired_dpi &&
 231       device_name_ == rhs.device_name_ &&
 232       page_setup_device_units_.Equals(rhs.page_setup_device_units_) &&
 233       dpi_ == rhs.dpi_ &&
 234       landscape_ == rhs.landscape_;
 235 }
 236
 237 int PrintSettings::NewCookie() {
 238   // A cookie of 0 is used to mark a document as unassigned, count from 1.
 239   return cookie_seq.GetNext() + 1;
 240 }
 241
 242 void PrintSettings::SetOrientation(bool landscape) {
 243   if (landscape_ != landscape) {
 244     landscape_ = landscape;
 245     page_setup_device_units_.FlipOrientation();
 246   }
 247 }
 248
 249 }  // namespace printing