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animator.cpp
00001 /*************************************************************************** 00002 animator.cpp - description 00003 ------------------- 00004 begin : Sat Mar 29 2003 00005 copyright : (C) 2003 by Fungmeista 00006 email : mizunoami44@users.sourceforge.net 00007 ***************************************************************************/ 00008 00009 /*************************************************************************** 00010 * * 00011 * This program is free software; you can redistribute it and/or modify * 00012 * it under the terms of the GNU General Public License as published by * 00013 * the Free Software Foundation; either version 2 of the License, or * 00014 * (at your option) any later version. * 00015 * * 00016 ***************************************************************************/ 00017 00018 #include "animator.h" 00019 00020 #include <qobject.h> 00021 #include <qtimer.h> 00022 00023 Animator::Animator() 00024 { 00025 min = 0; 00026 max = 10; 00027 step = 0.1; 00028 speed = 40; 00029 00030 _displayNValue = true; 00031 00032 current = min; 00033 } 00034 00035 Animator::~Animator() 00036 { 00037 } 00038 00039 void Animator::initializeAnimator( QObject *parent ) 00040 { 00041 _timer = new QTimer( parent ); //auto-deleted 00042 00043 parent->connect( _timer, SIGNAL(timeout()), parent, SLOT(slotNextFrame()) ); 00044 } 00045 00046 void Animator::load_key( const char *key, const char *value ) 00047 { 00048 if (strcmp(key,"animationMin=") == 0) 00049 { 00050 setAnimationMin(QString(value).toDouble()); 00051 } 00052 else if (strcmp(key,"animationMax=") == 0) 00053 { 00054 setAnimationMax(QString(value).toDouble()); 00055 } 00056 else if (strcmp(key,"animationStep=") == 0) 00057 { 00058 setAnimationStep(QString(value).toDouble()); 00059 } 00060 else if (strcmp(key,"animationSpeed=") == 0) 00061 { 00062 setAnimationSpeed(QString(value).toInt()); 00063 } 00064 else if (strcmp(key,"animatorValue=") == 0) 00065 { 00066 setAnimationFrame(QString(value).toDouble()); 00067 } 00068 } 00069 00070 void Animator::play() 00071 { 00072 _save = true; 00073 _timer->start( speed, FALSE ); 00074 } 00075 00076 void Animator::stop() 00077 { 00078 _timer->stop(); 00079 00080 current = min; 00081 nextFrameReady(); 00082 } 00083 00084 void Animator::pause() 00085 { 00086 if ( _timer->isActive() ) 00087 _timer->stop(); 00088 else 00089 play(); 00090 } 00091 00092 int Animator::setAnimationSpeed(int ms) 00093 { 00094 if ( ms > 0 ) 00095 { 00096 bool is_active = _timer->isActive(); /* calling changeInterval() will play the graph... record this to set it back how it was */ 00097 00098 speed = ms; 00099 _timer->changeInterval(speed); 00100 if (!is_active) _timer->stop(); 00101 00102 return 0; 00103 } 00104 else 00105 return 1; 00106 00107 } 00108 00109 int Animator::setAnimationMin(double d) 00110 { 00111 if ( d < max ) 00112 { 00113 min = d; 00114 return 0; 00115 } 00116 else 00117 return 1; 00118 } 00119 00120 int Animator::setAnimationMax(double d) 00121 { 00122 if ( d > min ) 00123 { 00124 max = d; 00125 return 0; 00126 } 00127 else 00128 return 1; 00129 } 00130 00131 int Animator::setAnimationStep(double d) 00132 { 00133 if ( d > 0 ) 00134 { 00135 step = d; 00136 return 0; 00137 } 00138 else 00139 return 1; 00140 } 00141 00142 void Animator::nextFrame() 00143 { 00144 if ( current >= max ) 00145 { 00146 current = min; // loop back around 00147 _save = false; //stop saving if currently are 00148 } 00149 else 00150 { 00151 current += step; 00152 if ( current > max ) 00153 current = max; 00154 } 00155 00156 nextFrameReady(); 00157 } 00158 00159 void Animator::saveAsMovie() 00160 { 00161 _save = true; 00162 } 00163 00164