1 files changed, 207 insertions, 0 deletions
diff --git a/xbmc/guilib/GUITexture.h b/xbmc/guilib/GUITexture.h
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+++ b/xbmc/guilib/GUITexture.h
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+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "TextureManager.h"
+#include "guiinfo/GUIInfoColor.h"
+#include "utils/ColorUtils.h"
+#include "utils/Geometry.h"
+
+#include <functional>
+
+// image alignment for <aspect>keep</aspect>, <aspect>scale</aspect> or <aspect>center</aspect>
+#define ASPECT_ALIGN_CENTER  0
+#define ASPECT_ALIGN_LEFT    1
+#define ASPECT_ALIGN_RIGHT   2
+#define ASPECT_ALIGNY_CENTER 0
+#define ASPECT_ALIGNY_TOP    4
+#define ASPECT_ALIGNY_BOTTOM 8
+#define ASPECT_ALIGN_MASK    3
+#define ASPECT_ALIGNY_MASK  ~3
+
+class CAspectRatio
+{
+public:
+  enum ASPECT_RATIO { AR_STRETCH = 0, AR_SCALE, AR_KEEP, AR_CENTER };
+  CAspectRatio(ASPECT_RATIO aspect = AR_STRETCH)
+  {
+    ratio = aspect;
+    align = ASPECT_ALIGN_CENTER | ASPECT_ALIGNY_CENTER;
+    scaleDiffuse = true;
+  };
+  bool operator!=(const CAspectRatio &right) const
+  {
+    if (ratio != right.ratio) return true;
+    if (align != right.align) return true;
+    if (scaleDiffuse != right.scaleDiffuse) return true;
+    return false;
+  };
+
+  ASPECT_RATIO ratio;
+  uint32_t     align;
+  bool         scaleDiffuse;
+};
+
+class CTextureInfo
+{
+public:
+  CTextureInfo();
+  explicit CTextureInfo(const std::string &file);
+  bool       useLarge;
+  CRect      border;          // scaled  - unneeded if we get rid of scale on load
+  bool m_infill{
+      true}; // if false, the main body of a texture is not drawn. useful for borders with no inner filling
+  int        orientation;     // orientation of the texture (0 - 7 == EXIForientation - 1)
+  std::string diffuse;         // diffuse overlay texture
+  KODI::GUILIB::GUIINFO::CGUIInfoColor diffuseColor; // diffuse color
+  std::string filename;        // main texture file
+};
+
+class CGUITexture;
+
+using CreateGUITextureFunc = std::function<CGUITexture*(
+    float posX, float posY, float width, float height, const CTextureInfo& texture)>;
+using DrawQuadFunc = std::function<void(
+    const CRect& coords, UTILS::COLOR::Color color, CTexture* texture, const CRect* texCoords)>;
+
+class CGUITexture
+{
+public:
+  virtual ~CGUITexture() = default;
+
+  static void Register(const CreateGUITextureFunc& createFunction,
+                       const DrawQuadFunc& drawQuadFunction);
+
+  static CGUITexture* CreateTexture(
+      float posX, float posY, float width, float height, const CTextureInfo& texture);
+  virtual CGUITexture* Clone() const = 0;
+
+  static void DrawQuad(const CRect& coords,
+                       UTILS::COLOR::Color color,
+                       CTexture* texture = nullptr,
+                       const CRect* texCoords = nullptr);
+
+  bool Process(unsigned int currentTime);
+  void Render();
+
+  void DynamicResourceAlloc(bool bOnOff);
+  bool AllocResources();
+  void FreeResources(bool immediately = false);
+  void SetInvalid();
+
+  bool SetVisible(bool visible);
+  bool SetAlpha(unsigned char alpha);
+  bool SetDiffuseColor(UTILS::COLOR::Color color, const CGUIListItem* item = nullptr);
+  bool SetPosition(float x, float y);
+  bool SetWidth(float width);
+  bool SetHeight(float height);
+  bool SetFileName(const std::string &filename);
+  void SetUseCache(const bool useCache = true);
+  bool SetAspectRatio(const CAspectRatio &aspect);
+
+  const std::string& GetFileName() const { return m_info.filename; }
+  float GetTextureWidth() const { return m_frameWidth; }
+  float GetTextureHeight() const { return m_frameHeight; }
+  float GetWidth() const { return m_width; }
+  float GetHeight() const { return m_height; }
+  float GetXPosition() const { return m_posX; }
+  float GetYPosition() const { return m_posY; }
+  int GetOrientation() const;
+  const CRect& GetRenderRect() const { return m_vertex; }
+  bool IsLazyLoaded() const { return m_info.useLarge; }
+
+  /*!
+   * @brief Get the diffuse color (info color) associated to this texture
+   * @return the infocolor associated to this texture
+  */
+  KODI::GUILIB::GUIINFO::CGUIInfoColor GetDiffuseColor() const { return m_info.diffuseColor; }
+
+  bool HitTest(const CPoint& point) const
+  {
+    return CRect(m_posX, m_posY, m_posX + m_width, m_posY + m_height).PtInRect(point);
+  }
+  bool IsAllocated() const { return m_isAllocated != NO; }
+  bool FailedToAlloc() const
+  {
+    return m_isAllocated == NORMAL_FAILED || m_isAllocated == LARGE_FAILED;
+  }
+  bool ReadyToRender() const;
+
+protected:
+  CGUITexture(float posX, float posY, float width, float height, const CTextureInfo& texture);
+  CGUITexture(const CGUITexture& left);
+
+  bool CalculateSize();
+  void LoadDiffuseImage();
+  bool AllocateOnDemand();
+  bool UpdateAnimFrame(unsigned int currentTime);
+  void Render(float left,
+              float top,
+              float right,
+              float bottom,
+              float u1,
+              float v1,
+              float u2,
+              float v2,
+              float u3,
+              float v3);
+  static void OrientateTexture(CRect &rect, float width, float height, int orientation);
+  void ResetAnimState();
+
+  // functions that our implementation classes handle
+  virtual void Allocate() {}; ///< called after our textures have been allocated
+  virtual void Free() {};     ///< called after our textures have been freed
+  virtual void Begin(UTILS::COLOR::Color color) = 0;
+  virtual void Draw(float* x,
+                    float* y,
+                    float* z,
+                    const CRect& texture,
+                    const CRect& diffuse,
+                    int orientation) = 0;
+  virtual void End() = 0;
+
+  bool m_visible;
+  UTILS::COLOR::Color m_diffuseColor;
+
+  float m_posX;         // size of the frame
+  float m_posY;
+  float m_width;
+  float m_height;
+
+  CRect m_vertex;       // vertex coords to render
+  bool m_invalid;       // if true, we need to recalculate
+  bool m_use_cache;
+  unsigned char m_alpha;
+
+  float m_frameWidth, m_frameHeight;          // size in pixels of the actual frame within the texture
+  float m_texCoordsScaleU, m_texCoordsScaleV; // scale factor for pixel->texture coordinates
+
+  // animations
+  int m_currentLoop;
+  unsigned int m_currentFrame;
+  uint32_t m_lasttime;
+
+  float m_diffuseU, m_diffuseV;           // size of the diffuse frame (in tex coords)
+  float m_diffuseScaleU, m_diffuseScaleV; // scale factor of the diffuse frame (from texture coords to diffuse tex coords)
+  CPoint m_diffuseOffset;                 // offset into the diffuse frame (it's not always the origin)
+
+  bool m_allocateDynamically;
+  enum ALLOCATE_TYPE { NO = 0, NORMAL, LARGE, NORMAL_FAILED, LARGE_FAILED };
+  ALLOCATE_TYPE m_isAllocated;
+
+  CTextureInfo m_info;
+  CAspectRatio m_aspect;
+
+  CTextureArray m_diffuse;
+  CTextureArray m_texture;
+
+private:
+  static CreateGUITextureFunc m_createGUITextureFunc;
+  static DrawQuadFunc m_drawQuadFunc;
+};