kscreensaver/kdesavers/Euphoria.h

   1 /*
   2  *  Terence Welsh Screensaver - Euphoria
   3  *  http://www.reallyslick.com/
   4  *
   5  *  Ported to KDE by Karl Robillard
   6  *  Copyright (C) 2002  Terence M. Welsh
   7  *
   8  *  This program is free software; you can redistribute it and/or
   9  *  modify it under the terms of the GNU General Public License as
  10  *  published by the Free Software Foundation; either version 2 of
  11  *  the License, or (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22 #ifndef EUPHORIASS_H
  23 #define EUPHORIASS_H
  24
  25 #include <qgl.h>
  26
  27 #include <kdialog.h>
  28
  29 class wisp;
  30 class QTimer;
  31
  32 class EuphoriaWidget : public QGLWidget
  33 {
  34     Q_OBJECT
  35
  36 public:
  37
  38     enum eDefault
  39     {
  40         Regular,
  41         Grid,
  42         Cubism,
  43         BadMath,
  44         MTheory,
  45         UHFTEM,   // ultra high frequency tunneling electron microscope
  46         Nowhere,
  47         Echo,
  48         Kaleidoscope,
  49         DefaultModes
  50     };
  51
  52     EuphoriaWidget( QWidget* parent=0 );
  53     ~EuphoriaWidget();
  54
  55     void updateParameters();
  56     void setDefaults( int which );
  57
  58 protected:
  59
  60     void paintGL();
  61     void resizeGL( int w, int h );
  62     void initializeGL();
  63 #ifdef UNIT_TEST
  64     void keyPressEvent( QKeyEvent* );
  65 #endif
  66
  67 private slots:
  68
  69     void nextFrame();
  70
  71 private:
  72
  73     GLuint texName;
  74     wisp* _wisps;
  75     wisp* _backwisps;
  76     unsigned char* feedbackmap;
  77     float aspectRatio;
  78     int viewport[4];
  79     double elapsedTime;
  80
  81     // feedback texture object
  82     unsigned int feedbacktex;
  83     int feedbacktexsize;
  84     // feedback variables
  85     float fr[4];
  86     float fv[4];
  87     float f[4];
  88     // feedback limiters
  89     float lr[3];
  90     float lv[3];
  91     float l[3];
  92
  93
  94
  95     int dWisps;
  96     int dBackground;
  97     int dDensity;
  98     int dVisibility;
  99     float dSpeed;
 100     int dFeedback;
 101     int dFeedbackspeed;
 102     int dFeedbacksize;
 103     int dWireframe;
 104     int dTexture;
 105     int dPriority;
 106
 107
 108     // Using QTimer rather than timerEvent() to avoid getting locked out of
 109     // the QEvent loop on lower-end systems.  Ian Geiser <geiseri@kde.org>
 110     // says this is the way to go.
 111     QTimer* _timer;
 112     int _frameTime;
 113
 114     friend class wisp;
 115 };
 116
 117
 118 #ifndef UNIT_TEST
 119 #include <qdialog.h>
 120 #include <kscreensaver.h>
 121
 122
 123 class KEuphoriaScreenSaver : public KScreenSaver
 124 {
 125     Q_OBJECT
 126
 127 public:
 128
 129     KEuphoriaScreenSaver( WId id );
 130     virtual ~KEuphoriaScreenSaver();
 131
 132     int mode() const { return _mode; }
 133
 134 public slots:
 135
 136     void setMode( int );
 137
 138 private:
 139
 140     void readSettings();
 141
 142     EuphoriaWidget* _effect;
 143     int _mode;
 144 };
 145
 146
 147 class QComboBox;
 148
 149 class KEuphoriaSetup : public KDialog
 150 {
 151     Q_OBJECT
 152
 153 public:
 154     KEuphoriaSetup( QWidget* parent = 0 );
 155     ~KEuphoriaSetup();
 156
 157 private slots:
 158     void slotHelp();
 159     void slotOk();
 160
 161 private:
 162     QComboBox* modeW;
 163     KEuphoriaScreenSaver* _saver;
 164 };
 165 #endif
 166
 167 #endif //__EUPHORIASS_H__