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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 #endif
00038 
00039 #include <map>
00040 #include <vector>
00041 
00042 namespace cinder {
00043 
00044 class Display {
00045  public:
00046     ~Display();
00047     int     getWidth() const { return mArea.getWidth(); }
00048     int     getHeight() const { return mArea.getHeight(); }
00049     Area    getArea() const { return mArea; }
00050     int     getBitsPerPixel() const { return mBitsPerPixel; }
00051 
00052 #if defined( CINDER_MAC )
00053     NSScreen*           getNSScreen() const { return mScreen; }
00054     CGDirectDisplayID   getCGDirectDisplayID() const { return mDirectDisplayID; }
00055 #endif
00056 
00057     static shared_ptr<Display>                          getMainDisplay();
00058     static const std::vector<shared_ptr<Display> >&     getDisplays();
00059     
00060 #if defined( CINDER_MAC )
00061     static shared_ptr<Display>                          findFromCGDirectDisplayID( CGDirectDisplayID displayID );
00062 #elif defined( CINDER_MSW )
00063     static BOOL CALLBACK enumMonitorProc( HMONITOR hMonitor, HDC hdc, LPRECT rect, LPARAM lParam );
00064 #endif
00065     
00066  private:
00067     Area        mArea;
00068     int         mBitsPerPixel;
00069 #if defined( CINDER_MAC )
00070     NSScreen            *mScreen;
00071     CGDirectDisplayID   mDirectDisplayID;
00072 #elif defined( CINDER_MSW )
00073     HMONITOR            mMonitor;
00074 #endif
00075     
00076     static void     enumerateDisplays();
00077     
00078     static std::vector<shared_ptr<Display> >        sDisplays;
00079     static bool                                     sDisplaysInitialized;
00080 };
00081 
00082 } // namespace cinder