| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "printing/print_settings_initializer_win.h" |
| |
| #include <windows.h> |
| |
| #include "printing/print_settings.h" |
| |
| namespace printing { |
| |
| // static |
| void PrintSettingsInitializerWin::InitPrintSettings( |
| HDC hdc, |
| const DEVMODE& dev_mode, |
| const PageRanges& new_ranges, |
| const std::wstring& new_device_name, |
| bool print_selection_only, |
| PrintSettings* print_settings) { |
| DCHECK(hdc); |
| DCHECK(print_settings); |
| |
| print_settings->set_printer_name(dev_mode.dmDeviceName); |
| print_settings->set_device_name(new_device_name); |
| print_settings->ranges = const_cast<PageRanges&>(new_ranges); |
| print_settings->set_landscape(dev_mode.dmOrientation == DMORIENT_LANDSCAPE); |
| print_settings->selection_only = print_selection_only; |
| |
| int dpi = GetDeviceCaps(hdc, LOGPIXELSX); |
| print_settings->set_dpi(dpi); |
| const int kAlphaCaps = SB_CONST_ALPHA | SB_PIXEL_ALPHA; |
| print_settings->set_supports_alpha_blend( |
| (GetDeviceCaps(hdc, SHADEBLENDCAPS) & kAlphaCaps) == kAlphaCaps); |
| // No printer device is known to advertise different dpi in X and Y axis; even |
| // the fax device using the 200x100 dpi setting. It's ought to break so many |
| // applications that it's not even needed to care about. WebKit doesn't |
| // support different dpi settings in X and Y axis. |
| DCHECK_EQ(dpi, GetDeviceCaps(hdc, LOGPIXELSY)); |
| |
| DCHECK_EQ(GetDeviceCaps(hdc, SCALINGFACTORX), 0); |
| DCHECK_EQ(GetDeviceCaps(hdc, SCALINGFACTORY), 0); |
| |
| // Initialize page_setup_device_units_. |
| gfx::Size physical_size_device_units(GetDeviceCaps(hdc, PHYSICALWIDTH), |
| GetDeviceCaps(hdc, PHYSICALHEIGHT)); |
| gfx::Rect printable_area_device_units(GetDeviceCaps(hdc, PHYSICALOFFSETX), |
| GetDeviceCaps(hdc, PHYSICALOFFSETY), |
| GetDeviceCaps(hdc, HORZRES), |
| GetDeviceCaps(hdc, VERTRES)); |
| |
| // Sanity check the printable_area: we've seen crashes caused by a printable |
| // area rect of 0, 0, 0, 0, so it seems some drivers don't set it. |
| if (printable_area_device_units.IsEmpty() || |
| !gfx::Rect(physical_size_device_units).Contains( |
| printable_area_device_units)) { |
| printable_area_device_units = gfx::Rect(physical_size_device_units); |
| } |
| |
| print_settings->SetPrinterPrintableArea(physical_size_device_units, |
| printable_area_device_units, |
| dpi); |
| } |
| |
| } // namespace printing |