Add generic text printing

printing/print_settings_initializer_win.cc

 // 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"
 
@@ skipping 74 matching lines @@
   *level = GetPrinterPostScriptLevel(hdc);
   return *level == 2 || *level == 3;
 }
 
 bool IsPrinterXPS(HDC hdc) {
   static constexpr char kXPSDriver[] =
       "http://schemas.microsoft.com/xps/2005/06";
   return IsTechnology(hdc, kXPSDriver);
 }
 
+bool IsPrinterTextOnly(HDC hdc) {
+  return ::GetDeviceCaps(hdc, TECHNOLOGY) == DT_CHARSTREAM;
+}
 }  // namespace
 
 // static
 void PrintSettingsInitializerWin::InitPrintSettings(
     HDC hdc,
     const DEVMODE& dev_mode,
     PrintSettings* print_settings) {
   DCHECK(hdc);
   DCHECK(print_settings);
 
@@ skipping 41 matching lines @@
     if (level == 2) {
       print_settings->set_printer_type(
           PrintSettings::PrinterType::TYPE_POSTSCRIPT_LEVEL2);
       return;
     }
     DCHECK_EQ(3, level);
     print_settings->set_printer_type(
         PrintSettings::PrinterType::TYPE_POSTSCRIPT_LEVEL3);
     return;
   }
+  // Detects the generic / text only driver.
+  if (IsPrinterTextOnly(hdc)) {
+    print_settings->set_printer_type(PrintSettings::PrinterType::TYPE_TEXTONLY);
+    return;
+  }
   if (IsPrinterXPS(hdc)) {
     print_settings->set_printer_type(PrintSettings::PrinterType::TYPE_XPS);
     return;
   }
   print_settings->set_printer_type(PrintSettings::PrinterType::TYPE_NONE);
 }
 
 }  // namespace printing