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include/cinder/cocoa/CinderCocoaTouch.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/Surface.h"
00027 
00028 #include <CoreGraphics/CoreGraphics.h>
00029 #include <CoreFoundation/CoreFoundation.h>
00030 
00031 #if defined( __OBJC__ )
00032     @class UIImage;
00033 #else
00034     class UIImage;
00035 #endif
00036 
00037 namespace cinder { namespace cocoa {
00038 
00041 Surface8u convertUiImage( UIImage *uiImage, bool assumeOwnership = false );
00042 
00044 class SafeUiImage {
00045   public:
00046     SafeUiImage() {}
00047     SafeUiImage( UIImage *uiImage, CGImageRef imageRef );
00048     
00049     operator UIImage*() const { if( mObj ) return mObj->first; else return 0; }
00050 
00051     // cast to bool
00052     typedef shared_ptr<std::pair<UIImage*,CGImageRef> > SafeUiImage::*unspecified_bool_type;
00053     operator unspecified_bool_type() { return ( mObj.get() == 0 ) ? 0 : &SafeUiImage::mObj; }
00054     
00055   private:
00056     static void destroy( std::pair<UIImage*,CGImageRef> *data );
00057 
00058     shared_ptr<std::pair<UIImage*,CGImageRef> > mObj;
00059 };
00060 
00062 SafeUiImage createUiImage( const ImageSourceRef imageSource );
00063 
00065 void writeToSavedPhotosAlbum( const ImageSourceRef imageSource );
00066 
00067 } } // namespace cinder::cocoa
00068