MythTV: singleview.h Source File

00001 // -*- Mode: c++ -*-
00002 /* ============================================================
00003  * File  : singleview.h
00004  * Description :  
00005  * 
00006  * Copyright 2004-2006 Renchi Raju, Daniel Kristjansson
00007  *
00008  * This program is free software; you can redistribute it
00009  * and/or modify it under the terms of the GNU General
00010  * Public License as published bythe Free Software Foundation;
00011  * either version 2, or (at your option)
00012  * any later version.
00013  * 
00014  * This program is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00016  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017  * GNU General Public License for more details.
00018  * 
00019  * ============================================================ */
00020 
00021 #ifndef SINGLEVIEW_H
00022 #define SINGLEVIEW_H
00023 
00024 #include <vector>
00025 
00026 using namespace std;
00027 
00028 // Qt headers
00029 #include <QImage>
00030 #include <QPolygon>
00031 #include <QPixmap>
00032 #include <QKeyEvent>
00033 #include <QPaintEvent>
00034 
00035 
00036 // MythTV plugin headers
00037 #include <mythdialogs.h>
00038 
00039 #include "galleryutil.h"
00040 #include "imageview.h"
00041 #include "iconview.h"
00042 #include "sequence.h"
00043 
00044 class QTimer;
00045 
00046 class SingleView : public MythDialog, public ImageView
00047 {
00048     Q_OBJECT
00049     
00050   public:
00051     SingleView(ThumbList itemList, int *pos, int slideShow, int sortorder,
00052                MythMainWindow *parent, const char *name="SingleView");
00053     ~SingleView();
00054 
00055     // Effect subtype enumeration
00056     static const int kSweepRightToLeft    = 0;
00057     static const int kSweepLeftToRight    = 1;
00058     static const int kSweepBottomToTop    = 2;
00059     static const int kSweepTopToBottom    = 3;
00060 
00061     static const int kIncomingEdgesFixed  = 0;
00062     static const int kIncomingEdgesMoving = 1;
00063 
00064   protected:
00065     // Commands
00066     virtual void Rotate(int angle);
00067     virtual void DisplayNext(bool reset, bool loadImage);
00068     virtual void DisplayPrev(bool reset, bool loadImage);
00069     virtual void Load(void);
00070     virtual void paintEvent(QPaintEvent *e);
00071     virtual void keyPressEvent(QKeyEvent *e);
00072 
00073     // Sets
00074     virtual void SetZoom(float zoom);
00075     void SetPixmap(QPixmap*);
00076 
00077     // Effects
00078     virtual void RegisterEffects(void);
00079     virtual void RunEffect(const QString &effect);
00080 
00081   private:
00082     void  StartPainter(void);
00083     void  CreateEffectPixmap(void);
00084     void  CheckPosition(void);
00085 
00086     // Various special effects methods
00087     void  EffectNone(void);
00088     void  EffectChessboard(void);
00089     void  EffectSweep(void);
00090     void  EffectGrowing(void);
00091     void  EffectHorizLines(void);
00092     void  EffectVertLines(void);
00093     void  EffectMeltdown(void);  
00094     void  EffectIncomingEdges(void);
00095     void  EffectMultiCircleOut(void);
00096     void  EffectSpiralIn(void);
00097     void  EffectCircleOut(void);
00098     void  EffectBlobs(void);
00099     void  EffectNoise(void);
00100 
00101     static QPixmap *CreateBackground(const QSize &sz);
00102 
00103   private slots:
00104     void  SlideTimeout(void);
00105     void  CaptionTimeout(void);
00106 
00107   private:
00108     // General
00109     QPixmap      *m_pixmap;
00110     QImage        m_image;
00111     int           m_angle;
00112     QPoint        m_source_loc;
00113     ScaleMax      m_scaleMax;
00114 
00115     // Info variables
00116     QPixmap      *m_info_pixmap;
00117 
00118     // Common slideshow variables
00119     int           m_caption_show;
00120     bool          m_caption_remove;
00121     QPixmap      *m_caption_pixmap;
00122     QPixmap      *m_caption_restore_pixmap;
00123     QTimer       *m_caption_timer;
00124 
00125     // Common effect state variables
00126     QPixmap      *m_effect_pixmap;
00127     QPainter     *m_effect_painter;
00128     int           m_effect_subtype;
00129     QRect         m_effect_bounds;    
00130     QPoint        m_effect_delta0;    
00131     QPoint        m_effect_delta1;    
00132     int           m_effect_i;         
00133     int           m_effect_j;         
00134     int           m_effect_framerate; 
00135     float         m_effect_delta2_x;
00136     float         m_effect_delta2_y;
00137     float         m_effect_alpha;
00138 
00139     // Unshared effect state variables
00140     QPoint        m_effect_spiral_tmp0;
00141     QPoint        m_effect_spiral_tmp1;
00142     vector<int>   m_effect_meltdown_y_disp;
00143     float         m_effect_multi_circle_out_delta_alpha;
00144     QPolygon      m_effect_milti_circle_out_points;
00145     QPolygon      m_effect_circle_out_points;
00146 };
00147 
00148 #endif /* SINGLEVIEW_H */