Fix print preview workflow to reflect settings of selected printer.

printing/print_settings_initializer_win.cc

 // Copyright (c) 2010 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 = new_ranges;
+  print_settings->ranges = const_cast<PageRanges&>(new_ranges);

[Lei Zhang, 2011/09/02 18:44:19]

Why is this needed?

[arthurhsu, 2011/09/06 22:02:27]

VC10 Debug build will trigger run time error because VC thinks the iterator is
of the wrong type.  Workaround it is.

   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
@@ skipping 11 matching lines @@
                                         GetDeviceCaps(hdc, PHYSICALOFFSETY),
                                         GetDeviceCaps(hdc, HORZRES),
                                         GetDeviceCaps(hdc, VERTRES));
 
   print_settings->SetPrinterPrintableArea(physical_size_device_units,
                                           printable_area_device_units,
                                           dpi);
 }
 
 }  // namespace printing