xbmc/pictures/SlideShowPicture.h

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include "guilib/DirtyRegion.h"
  12 #include "threads/CriticalSection.h"
  13 #include "utils/ColorUtils.h"
  14
  15 #include <memory>
  16 #include <string>
  17
  18 class CTexture;
  19
  20 class CSlideShowPic
  21 {
  22 public:
  23   enum DISPLAY_EFFECT { EFFECT_NONE = 0, EFFECT_FLOAT, EFFECT_ZOOM, EFFECT_RANDOM, EFFECT_PANORAMA, EFFECT_NO_TIMEOUT };
  24   enum TRANSITION_EFFECT { TRANSITION_NONE = 0, FADEIN_FADEOUT, CROSSFADE, TRANSITION_ZOOM, TRANSITION_ROTATE };
  25
  26   struct TRANSITION
  27   {
  28     TRANSITION_EFFECT type = TRANSITION_NONE;
  29     int start = 0;
  30     int length = 0;
  31   };
  32
  33   static std::unique_ptr<CSlideShowPic> CreateSlideShowPicture();
  34
  35   CSlideShowPic();
  36   virtual ~CSlideShowPic();
  37
  38   void SetTexture(int iSlideNumber,
  39                   std::unique_ptr<CTexture> pTexture,
  40                   DISPLAY_EFFECT dispEffect = EFFECT_RANDOM,
  41                   TRANSITION_EFFECT transEffect = FADEIN_FADEOUT);
  42   void UpdateTexture(std::unique_ptr<CTexture> pTexture);
  43
  44   bool IsLoaded() const { return m_bIsLoaded; }
  45   void UnLoad() { m_bIsLoaded = false; }
  46   void Process(unsigned int currentTime, CDirtyRegionList &dirtyregions);
  47   void Render();
  48   void Close();
  49   void Reset(DISPLAY_EFFECT dispEffect = EFFECT_RANDOM, TRANSITION_EFFECT transEffect = FADEIN_FADEOUT);
  50   DISPLAY_EFFECT DisplayEffect() const { return m_displayEffect; }
  51   bool DisplayEffectNeedChange(DISPLAY_EFFECT newDispEffect) const;
  52   bool IsStarted() const { return m_iCounter > 0; }
  53   bool IsFinished() const;
  54   bool IsAnimating() const;
  55   bool DrawNextImage() const { return m_bDrawNextImage; }
  56
  57   int GetWidth() const { return (int)m_fWidth; }
  58   int GetHeight() const { return (int)m_fHeight; }
  59
  60   void Keep();
  61   bool StartTransition();
  62   int GetTransitionTime(int iType) const;
  63   void SetTransitionTime(int iType, int iTime);
  64
  65   int SlideNumber() const { return m_iSlideNumber; }
  66
  67   void Zoom(float fZoomAmount, bool immediate = false);
  68   void Rotate(float fRotateAngle, bool immediate = false);
  69   void UpdateAlpha();
  70   void Pause(bool bPause);
  71   void SetInSlideshow(bool slideshow);
  72   void SetOriginalSize(int iOriginalWidth, int iOriginalHeight, bool bFullSize);
  73   bool FullSize() const { return m_bFullSize; }
  74   int GetOriginalWidth();
  75   int GetOriginalHeight();
  76
  77   void Move(float dX, float dY);
  78   float GetZoom() const { return m_fZoomAmount; }
  79
  80   bool m_bIsComic;
  81   bool m_bCanMoveHorizontally;
  82   bool m_bCanMoveVertically;
  83
  84 protected:
  85   virtual void Render(float* x, float* y, CTexture* pTexture, KODI::UTILS::COLOR::Color color) = 0;
  86
  87 private:
  88   void SetTexture_Internal(int iSlideNumber,
  89                            std::unique_ptr<CTexture> pTexture,
  90                            DISPLAY_EFFECT dispEffect = EFFECT_RANDOM,
  91                            TRANSITION_EFFECT transEffect = FADEIN_FADEOUT);
  92   void UpdateVertices(float cur_x[4], float cur_y[4], const float new_x[4], const float new_y[4], CDirtyRegionList &dirtyregions);
  93
  94   std::unique_ptr<CTexture> m_pImage;
  95
  96   int m_iOriginalWidth;
  97   int m_iOriginalHeight;
  98   int m_iSlideNumber;
  99   bool m_bIsLoaded;
 100   bool m_bDrawNextImage;
 101   bool m_bIsDirty;
 102   std::string m_strFileName;
 103   float m_fWidth;
 104   float m_fHeight;
 105   KODI::UTILS::COLOR::Color m_alpha = 0;
 106   // stuff relative to middle position
 107   float m_fPosX;
 108   float m_fPosY;
 109   float m_fPosZ;
 110   float m_fVelocityX;
 111   float m_fVelocityY;
 112   float m_fVelocityZ;
 113   float m_fZoomAmount;
 114   float m_fZoomLeft;
 115   float m_fZoomTop;
 116   float m_ax[4]{}, m_ay[4]{};
 117   float m_sx[4]{}, m_sy[4]{};
 118   float m_bx[4]{}, m_by[4]{};
 119   float m_ox[4]{}, m_oy[4]{};
 120
 121   // transition and display effects
 122   DISPLAY_EFFECT m_displayEffect = EFFECT_NONE;
 123   TRANSITION m_transitionStart;
 124   TRANSITION m_transitionEnd;
 125   TRANSITION m_transitionTemp; // used for rotations + zooms
 126   float m_fAngle; // angle (between 0 and 2pi to display the image)
 127   float m_fTransitionAngle;
 128   float m_fTransitionZoom;
 129   int m_iCounter = 0;
 130   int m_iTotalFrames;
 131   bool m_bPause;
 132   bool m_bNoEffect;
 133   bool m_bFullSize;
 134   bool m_bTransitionImmediately;
 135
 136   CCriticalSection m_textureAccess;
 137 };