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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "printing/print_settings_initializer_win.h" | 5 #include "printing/print_settings_initializer_win.h" |
6 | 6 |
7 #include <windows.h> | 7 #include <windows.h> |
8 | 8 |
9 #include "printing/print_settings.h" | 9 #include "printing/print_settings.h" |
10 | 10 |
11 namespace printing { | 11 namespace printing { |
12 | 12 |
13 namespace { | 13 namespace { |
14 | 14 |
15 bool IsPrinterXPS(HDC hdc) { | 15 bool HasEscapeSupprt(HDC hdc, DWORD escape) { |
Vitaly Buka (NO REVIEWS)
2017/01/17 19:29:16
Same here.
Extraction of IsTechnology function des
| |
16 int device_type = ::GetDeviceCaps(hdc, TECHNOLOGY); | 16 const char* ptr = reinterpret_cast<const char*>(&escape); |
17 if (device_type != DT_RASPRINTER) | 17 return ExtEscape(hdc, QUERYESCSUPPORT, sizeof(escape), ptr, 0, nullptr) > 0; |
18 } | |
19 | |
20 bool IsTechnology(HDC hdc, const char* technology) { | |
21 if (::GetDeviceCaps(hdc, TECHNOLOGY) != DT_RASPRINTER) | |
18 return false; | 22 return false; |
19 | 23 |
20 const DWORD escape = GETTECHNOLOGY; | 24 if (!HasEscapeSupprt(hdc, GETTECHNOLOGY)) |
21 const char* escape_ptr = reinterpret_cast<const char*>(&escape); | |
22 int ret = | |
23 ExtEscape(hdc, QUERYESCSUPPORT, sizeof(escape), escape_ptr, 0, nullptr); | |
24 if (ret <= 0) | |
25 return false; | 25 return false; |
26 | 26 |
27 char buffer[256]; | 27 char buf[256]; |
28 memset(buffer, 0, sizeof(buffer)); | 28 memset(buf, 0, sizeof(buf)); |
29 ret = ExtEscape(hdc, GETTECHNOLOGY, 0, nullptr, sizeof(buffer) - 1, buffer); | 29 if (ExtEscape(hdc, GETTECHNOLOGY, 0, nullptr, sizeof(buf) - 1, buf) <= 0) |
30 if (ret <= 0) | |
31 return false; | 30 return false; |
31 return strcmp(buf, technology) == 0; | |
32 } | |
32 | 33 |
33 static const char kXPSDriver[] = "http://schemas.microsoft.com/xps/2005/06"; | 34 bool IsPrinterPostScript(HDC hdc, int* level) { |
34 return strcmp(buffer, kXPSDriver) == 0; | 35 static constexpr char kPostScriptDriver[] = "PostScript"; |
36 if (!IsTechnology(hdc, kPostScriptDriver)) { | |
37 return false; | |
38 } | |
39 | |
40 // Query the PS Level if possible. Many PS printers do not implement this. | |
41 if (HasEscapeSupprt(hdc, GET_PS_FEATURESETTING)) { | |
42 constexpr int param = FEATURESETTING_PSLEVEL; | |
43 const char* param_char_ptr = reinterpret_cast<const char*>(¶m); | |
44 int param_out = -1; | |
45 char* param_out_char_ptr = reinterpret_cast<char*>(¶m_out); | |
46 if (ExtEscape(hdc, GET_PS_FEATURESETTING, sizeof(param), param_char_ptr, | |
47 sizeof(param_out), param_out_char_ptr) > 0) { | |
48 if (param_out < 2 || param_out > 3) | |
49 return false; | |
50 | |
51 *level = param_out; | |
52 return true; | |
53 } | |
54 } | |
55 | |
56 // If it looks like a PS printer. | |
57 if (HasEscapeSupprt(hdc, POSTSCRIPT_PASSTHROUGH) && | |
58 HasEscapeSupprt(hdc, POSTSCRIPT_DATA)) { | |
59 *level = 2; | |
60 return true; | |
61 } | |
62 | |
63 return false; | |
64 } | |
65 | |
66 bool IsPrinterXPS(HDC hdc) { | |
67 static constexpr char kXPSDriver[] = | |
68 "http://schemas.microsoft.com/xps/2005/06"; | |
69 return IsTechnology(hdc, kXPSDriver); | |
35 } | 70 } |
36 | 71 |
37 } // namespace | 72 } // namespace |
38 | 73 |
39 // static | 74 // static |
40 void PrintSettingsInitializerWin::InitPrintSettings( | 75 void PrintSettingsInitializerWin::InitPrintSettings( |
41 HDC hdc, | 76 HDC hdc, |
42 const DEVMODE& dev_mode, | 77 const DEVMODE& dev_mode, |
43 PrintSettings* print_settings) { | 78 PrintSettings* print_settings) { |
44 DCHECK(hdc); | 79 DCHECK(hdc); |
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
76 !gfx::Rect(physical_size_device_units).Contains( | 111 !gfx::Rect(physical_size_device_units).Contains( |
77 printable_area_device_units)) { | 112 printable_area_device_units)) { |
78 printable_area_device_units = gfx::Rect(physical_size_device_units); | 113 printable_area_device_units = gfx::Rect(physical_size_device_units); |
79 } | 114 } |
80 DCHECK_EQ(print_settings->device_units_per_inch(), dpi); | 115 DCHECK_EQ(print_settings->device_units_per_inch(), dpi); |
81 print_settings->SetPrinterPrintableArea(physical_size_device_units, | 116 print_settings->SetPrinterPrintableArea(physical_size_device_units, |
82 printable_area_device_units, | 117 printable_area_device_units, |
83 false); | 118 false); |
84 | 119 |
85 print_settings->set_printer_is_xps(IsPrinterXPS(hdc)); | 120 print_settings->set_printer_is_xps(IsPrinterXPS(hdc)); |
121 if (!print_settings->printer_is_xps()) { | |
122 int level; | |
123 if (IsPrinterPostScript(hdc, &level)) { | |
124 if (level == 2) { | |
125 print_settings->set_printer_is_ps2(true); | |
126 } else { | |
127 DCHECK_EQ(3, level); | |
128 print_settings->set_printer_is_ps3(true); | |
129 } | |
130 } | |
131 } | |
86 } | 132 } |
87 | 133 |
88 } // namespace printing | 134 } // namespace printing |
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