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 <string>
  16 #ifdef HAS_DX
  17 #include "guilib/GUIShaderDX.h"
  18 #include <wrl/client.h>
  19 #endif
  20
  21 #include <memory>
  22
  23 class CTexture;
  24
  25 class CSlideShowPic
  26 {
  27 public:
  28   enum DISPLAY_EFFECT { EFFECT_NONE = 0, EFFECT_FLOAT, EFFECT_ZOOM, EFFECT_RANDOM, EFFECT_PANORAMA, EFFECT_NO_TIMEOUT };
  29   enum TRANSITION_EFFECT { TRANSITION_NONE = 0, FADEIN_FADEOUT, CROSSFADE, TRANSITION_ZOOM, TRANSITION_ROTATE };
  30
  31   struct TRANSITION
  32   {
  33     TRANSITION_EFFECT type = TRANSITION_NONE;
  34     int start = 0;
  35     int length = 0;
  36   };
  37
  38   CSlideShowPic();
  39   ~CSlideShowPic();
  40
  41   void SetTexture(int iSlideNumber,
  42                   std::unique_ptr<CTexture> pTexture,
  43                   DISPLAY_EFFECT dispEffect = EFFECT_RANDOM,
  44                   TRANSITION_EFFECT transEffect = FADEIN_FADEOUT);
  45   void UpdateTexture(std::unique_ptr<CTexture> pTexture);
  46
  47   bool IsLoaded() const { return m_bIsLoaded; }
  48   void UnLoad() { m_bIsLoaded = false; }
  49   void Process(unsigned int currentTime, CDirtyRegionList &dirtyregions);
  50   void Render();
  51   void Close();
  52   void Reset(DISPLAY_EFFECT dispEffect = EFFECT_RANDOM, TRANSITION_EFFECT transEffect = FADEIN_FADEOUT);
  53   DISPLAY_EFFECT DisplayEffect() const { return m_displayEffect; }
  54   bool DisplayEffectNeedChange(DISPLAY_EFFECT newDispEffect) const;
  55   bool IsStarted() const { return m_iCounter > 0; }
  56   bool IsFinished() const { return m_bIsFinished; }
  57   bool DrawNextImage() const { return m_bDrawNextImage; }
  58
  59   int GetWidth() const { return (int)m_fWidth; }
  60   int GetHeight() const { return (int)m_fHeight; }
  61
  62   void Keep();
  63   bool StartTransition();
  64   int GetTransitionTime(int iType) const;
  65   void SetTransitionTime(int iType, int iTime);
  66
  67   int SlideNumber() const { return m_iSlideNumber; }
  68
  69   void Zoom(float fZoomAmount, bool immediate = false);
  70   void Rotate(float fRotateAngle, bool immediate = false);
  71   void Pause(bool bPause);
  72   void SetInSlideshow(bool slideshow);
  73   void SetOriginalSize(int iOriginalWidth, int iOriginalHeight, bool bFullSize);
  74   bool FullSize() const { return m_bFullSize; }
  75   int GetOriginalWidth();
  76   int GetOriginalHeight();
  77
  78   void Move(float dX, float dY);
  79   float GetZoom() const { return m_fZoomAmount; }
  80
  81   bool m_bIsComic;
  82   bool m_bCanMoveHorizontally;
  83   bool m_bCanMoveVertically;
  84 private:
  85   void SetTexture_Internal(int iSlideNumber,
  86                            std::unique_ptr<CTexture> pTexture,
  87                            DISPLAY_EFFECT dispEffect = EFFECT_RANDOM,
  88                            TRANSITION_EFFECT transEffect = FADEIN_FADEOUT);
  89   void UpdateVertices(float cur_x[4], float cur_y[4], const float new_x[4], const float new_y[4], CDirtyRegionList &dirtyregions);
  90   void Render(float* x, float* y, CTexture* pTexture, UTILS::COLOR::Color color);
  91   std::unique_ptr<CTexture> m_pImage;
  92
  93   int m_iOriginalWidth;
  94   int m_iOriginalHeight;
  95   int m_iSlideNumber;
  96   bool m_bIsLoaded;
  97   bool m_bIsFinished;
  98   bool m_bDrawNextImage;
  99   bool m_bIsDirty;
 100   std::string m_strFileName;
 101   float m_fWidth;
 102   float m_fHeight;
 103   UTILS::COLOR::Color m_alpha = 0;
 104   // stuff relative to middle position
 105   float m_fPosX;
 106   float m_fPosY;
 107   float m_fPosZ;
 108   float m_fVelocityX;
 109   float m_fVelocityY;
 110   float m_fVelocityZ;
 111   float m_fZoomAmount;
 112   float m_fZoomLeft;
 113   float m_fZoomTop;
 114   float m_ax[4]{}, m_ay[4]{};
 115   float m_sx[4]{}, m_sy[4]{};
 116   float m_bx[4]{}, m_by[4]{};
 117   float m_ox[4]{}, m_oy[4]{};
 118
 119   // transition and display effects
 120   DISPLAY_EFFECT m_displayEffect = EFFECT_NONE;
 121   TRANSITION m_transitionStart;
 122   TRANSITION m_transitionEnd;
 123   TRANSITION m_transitionTemp; // used for rotations + zooms
 124   float m_fAngle; // angle (between 0 and 2pi to display the image)
 125   float m_fTransitionAngle;
 126   float m_fTransitionZoom;
 127   int m_iCounter = 0;
 128   int m_iTotalFrames;
 129   bool m_bPause;
 130   bool m_bNoEffect;
 131   bool m_bFullSize;
 132   bool m_bTransitionImmediately;
 133
 134   CCriticalSection m_textureAccess;
 135 #ifdef HAS_DX
 136   Microsoft::WRL::ComPtr<ID3D11Buffer> m_vb;
 137   bool UpdateVertexBuffer(Vertex *vertices);
 138 #endif
 139 };