test/src/DebugDisplay.cpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #include "Hardware/Display.hpp"
  25
  26 #ifdef WIN32
  27 #include <windows.h>
  28 #endif
  29
  30 #include <cstdio>
  31
  32 static void
  33 PrintScreenSize()
  34 {
  35 #ifdef WIN32
  36   unsigned width = GetSystemMetrics(SM_CXSCREEN);
  37   unsigned height = GetSystemMetrics(SM_CYSCREEN);
  38   printf("Width: %d px | Height: %d px\n", width, height);
  39 #endif
  40 }
  41
  42 static void
  43 PrintDPI()
  44 {
  45   printf("DPI X: %d | DPI Y: %d\n", Display::GetXDPI(), Display::GetYDPI());
  46 }
  47
  48 static void
  49 PrintRotationInfo()
  50 {
  51 #if defined(DM_DISPLAYORIENTATION) && defined(_WIN32_WCE) && _WIN32_WCE >= 0x400
  52   DEVMODE dm;
  53   memset(&dm, 0, sizeof(dm));
  54   dm.dmSize = sizeof(dm);
  55   dm.dmFields = DM_DISPLAYQUERYORIENTATION;
  56
  57   if (ChangeDisplaySettingsEx(NULL, &dm, NULL, CDS_TEST, NULL)
  58       != DISP_CHANGE_SUCCESSFUL) {
  59     printf("Display Rotation not supported\n");
  60     return;
  61   }
  62
  63   printf("Display Rotation supported\n");
  64
  65   DWORD dwSupported = dm.dmDisplayOrientation;
  66
  67   printf("Supported Orientations: 0");
  68   if (DMDO_90 & dwSupported)
  69     printf(" 90");
  70   if (DMDO_180 & dwSupported)
  71     printf(" 180");
  72   if (DMDO_270 & dwSupported)
  73     printf(" 270");
  74   printf(" deg\n");
  75
  76   dm.dmFields = DM_DISPLAYORIENTATION;
  77   if (ChangeDisplaySettingsEx(NULL, &dm, NULL, CDS_TEST, NULL)
  78       != DISP_CHANGE_SUCCESSFUL) {
  79     printf("Current Display Rotation not available\n");
  80     return;
  81   }
  82
  83   printf("Current Display Rotation: ");
  84   if (dm.dmDisplayOrientation == DMDO_0)
  85     printf("0 deg");
  86   else if (dm.dmDisplayOrientation == DMDO_90)
  87     printf("90 deg");
  88   else if (dm.dmDisplayOrientation == DMDO_180)
  89     printf("180 deg");
  90   else if (dm.dmDisplayOrientation == DMDO_270)
  91     printf("270 deg");
  92   else
  93     printf("unknown");
  94   printf("\n");
  95 #endif
  96 }
  97
  98 int
  99 main(int argc, char **argv)
 100 {
 101   printf("Display Information\n\n");
 102
 103   PrintScreenSize();
 104   PrintDPI();
 105   PrintRotationInfo();
 106
 107 #ifdef _WIN32_WCE
 108   // Console on WinCE is closing automatically
 109   // We prevent this by requesting user input
 110   getchar();
 111 #endif
 112
 113   return 0;
 114 }