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include/cinder/app/TouchEvent.h

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00001 /*
00002  Copyright (c) 2010, The Cinder Project: http://libcinder.org
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/Vector.h"
00026 
00027 namespace cinder { namespace app {
00028 
00030 class TouchEvent {
00031   public:
00032     class Touch {
00033       public:
00034         Touch( const Vec2f &pos, const Vec2f &prevPos, uint32_t id, double time, void *native )
00035             : mPos( pos ), mPrevPos( prevPos ), mId( id ), mTime( time ), mNative( native ) {}
00036     
00038         float       getX() const { return mPos.x; }
00040         float       getY() const { return mPos.y; }     
00042         Vec2f       getPos() const { return mPos; }
00044         float       getPrevX() const { return mPrevPos.x; }
00046         float       getPrevY() const { return mPrevPos.y; }     
00048         Vec2f       getPrevPos() const { return mPrevPos; }
00050         uint32_t    getId() const { return mId; }
00052         double      getTime() const { return mTime; }
00054         const void* getNative() const { return mNative; }
00055         
00056       private:
00057         Vec2f       mPos, mPrevPos;
00058         uint32_t    mId;
00059         double      mTime;
00060         void        *mNative;
00061     };
00062   
00063     TouchEvent() {}
00064     TouchEvent( const std::vector<Touch> &touches )
00065         : mTouches( touches )
00066     {}
00067     
00069     const std::vector<Touch>&   getTouches() const { return mTouches; }
00070     
00071   private:
00072     std::vector<Touch>      mTouches;
00073 };
00074 
00075 inline std::ostream& operator<<( std::ostream &out, const TouchEvent::Touch &touch )
00076 {
00077     out << touch.getId() << ": " << touch.getPos() << " @ " << touch.getTime() << "s";
00078     return out;
00079 }
00080 
00081 inline std::ostream& operator<<( std::ostream &out, const TouchEvent &event )
00082 {
00083     out << "{" << std::endl;
00084     for( std::vector<TouchEvent::Touch>::const_iterator tIt = event.getTouches().begin(); tIt != event.getTouches().end(); ++tIt )
00085         out << "  " << *tIt << std::endl;
00086     out << "}";
00087     return out;
00088 }
00089 
00090 } } // namespace cinder::app