include/cinder/Display.h
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00001 /*
00002  Copyright (c) 2010, The Barbarian Group
00003  All rights reserved.
00004 
00005  Redistribution and use in source and binary forms, with or without modification, are permitted provided that
00006  the following conditions are met:
00007 
00008     * Redistributions of source code must retain the above copyright notice, this list of conditions and
00009     the following disclaimer.
00010     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
00011     the following disclaimer in the documentation and/or other materials provided with the distribution.
00012 
00013  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
00014  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00015  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
00016  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00017  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00018  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00019  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00020  POSSIBILITY OF SUCH DAMAGE.
00021 */
00022 
00023 #pragma once
00024 
00025 #include "cinder/Cinder.h"
00026 #include "cinder/Area.h"
00027 
00028 #if defined( CINDER_MAC )
00029 #   include <CoreVideo/CoreVideo.h>
00030 #   if defined( __OBJC__ )
00031         @class NSScreen;
00032 #   else
00033         class NSScreen;
00034 #   endif
00035 #elif defined( CINDER_MSW )
00036     #include <windows.h>
00037     #undef min
00038     #undef max
00039 #endif
00040 
00041 #include <map>
00042 #include <vector>
00043 
00044 namespace cinder {
00045 
00046 typedef std::shared_ptr<class Display>  DisplayRef;
00047 
00048 class Display {
00049  public:
00050     ~Display();
00051     int     getWidth() const { return mArea.getWidth(); }
00052     int     getHeight() const { return mArea.getHeight(); }
00053     Area    getArea() const { return mArea; }
00054     int     getBitsPerPixel() const { return mBitsPerPixel; }
00055 
00057     bool    contains( const Vec2i &pt ) const { return mArea.contains( pt ); }
00058 
00059 #if defined( CINDER_MAC )
00060     NSScreen*           getNsScreen() const { return mScreen; }
00061     CGDirectDisplayID   getCgDirectDisplayId() const { return mDirectDisplayID; }
00062 #endif
00063 
00064     static DisplayRef                       getMainDisplay();
00065     static const std::vector<DisplayRef>&   getDisplays();
00067     static DisplayRef                       getDisplayForPoint( const Vec2i &pt );
00068     
00069 #if defined( CINDER_MAC )
00070     static DisplayRef           findFromCgDirectDisplayId( CGDirectDisplayID displayID );
00071 #elif defined( CINDER_MSW )
00072 
00073     static DisplayRef           findFromHmonitor( HMONITOR hMonitor );
00074     static BOOL CALLBACK enumMonitorProc( HMONITOR hMonitor, HDC hdc, LPRECT rect, LPARAM lParam );
00075 #endif
00076     
00077  private:
00078     Area        mArea;
00079     int         mBitsPerPixel;
00080 #if defined( CINDER_MAC )
00081     NSScreen            *mScreen;
00082     CGDirectDisplayID   mDirectDisplayID;
00083 #elif defined( CINDER_MSW )
00084     HMONITOR            mMonitor;
00085 #endif
00086     
00087     static void     enumerateDisplays();
00088     
00089     static std::vector<DisplayRef>  sDisplays;
00090     static bool                     sDisplaysInitialized;
00091 };
00092 
00093 } // namespace cinder