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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)
GetColorModelForMode(int color_mode,std::string * color_setting_name,std::string * color_value)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 
IsColorModelSelected(int color_mode)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 
PrintSettings()113 PrintSettings::PrintSettings() {
114   Clear();
115 }
116 
~PrintSettings()117 PrintSettings::~PrintSettings() {
118 }
119 
Clear()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 
SetPrinterPrintableArea(const gfx::Size & physical_size_device_units,const gfx::Rect & printable_area_device_units,bool landscape_needs_flip)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 
SetCustomMargins(const PageMargins & requested_margins_in_points)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 
NewCookie()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 
SetOrientation(bool landscape)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
235