xbmc/guilib/GUIFontTTFDX.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 /*!
  12 \file GUIFont.h
  13 \brief
  14 */
  15
  16 #include "D3DResource.h"
  17 #include "GUIFontTTF.h"
  18
  19 #include <list>
  20 #include <memory>
  21 #include <vector>
  22
  23 #include <wrl/client.h>
  24
  25 /*!
  26  \ingroup textures
  27  \brief
  28  */
  29 class CGUIFontTTFDX : public CGUIFontTTF, public ID3DResource
  30 {
  31 public:
  32   explicit CGUIFontTTFDX(const std::string& fontIdent);
  33   virtual ~CGUIFontTTFDX(void);
  34
  35   bool FirstBegin() override;
  36   void LastEnd() override;
  37   CVertexBuffer CreateVertexBuffer(const std::vector<SVertex>& vertices) const override;
  38   void DestroyVertexBuffer(CVertexBuffer& bufferHandle) const override;
  39
  40   void OnDestroyDevice(bool fatal) override;
  41   void OnCreateDevice() override;
  42
  43   static void CreateStaticIndexBuffer(void);
  44   static void DestroyStaticIndexBuffer(void);
  45
  46 protected:
  47   std::unique_ptr<CTexture> ReallocTexture(unsigned int& newHeight) override;
  48   bool CopyCharToTexture(FT_BitmapGlyph bitGlyph,
  49                          unsigned int x1,
  50                          unsigned int y1,
  51                          unsigned int x2,
  52                          unsigned int y2) override;
  53   void DeleteHardwareTexture() override;
  54
  55 private:
  56   bool UpdateDynamicVertexBuffer(const SVertex* pSysMem, unsigned int count);
  57   static void AddReference(CGUIFontTTFDX* font, CD3DBuffer* pBuffer);
  58   static void ClearReference(CGUIFontTTFDX* font, CD3DBuffer* pBuffer);
  59
  60   unsigned m_vertexWidth{0};
  61   std::unique_ptr<CD3DTexture> m_speedupTexture; // extra texture to speed up reallocations
  62   Microsoft::WRL::ComPtr<ID3D11Buffer> m_vertexBuffer;
  63   std::list<CD3DBuffer*> m_buffers;
  64
  65   static bool m_staticIndexBufferCreated;
  66   static Microsoft::WRL::ComPtr<ID3D11Buffer> m_staticIndexBuffer;
  67 };