/*
 *      Copyright (C) 2005-2009 Team XBMC
 *      http://www.xbmc.org
 *
 *  This Program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  This Program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with XBMC; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *  http://www.gnu.org/copyleft/gpl.html
 *
 */

#pragma once

#include <string>
#include <stdint.h>

class CDDSImage
{
public:
  CDDSImage();
  CDDSImage(unsigned int width, unsigned int height, unsigned int format);
  ~CDDSImage();

  unsigned int GetWidth() const;
  unsigned int GetHeight() const;
  unsigned int GetFormat() const;
  unsigned int GetSize() const;
  unsigned char *GetData() const;

  bool ReadFile(const std::string &file);
  bool WriteFile(const std::string &file) const;

private:
  unsigned int GetStorageRequirements(unsigned int width, unsigned int height, unsigned int format) const;
  enum {
    ddsd_caps        = 0x00000001,
    ddsd_height      = 0x00000002,
    ddsd_width       = 0x00000004,
    ddsd_pitch       = 0x00000008,
    ddsd_pixelformat = 0x00001000,
    ddsd_mipmapcount = 0x00020000,
    ddsd_linearsize  = 0x00080000,
    ddsd_depth       = 0x00800000
  };

  enum {
    ddpf_alphapixels = 0x00000001,
    ddpf_fourcc      = 0x00000004,
    ddpf_rgb         = 0x00000040
  };

  enum {
    ddscaps_complex = 0x00000008,
    ddscaps_texture = 0x00001000,
    ddscaps_mipmap  = 0x00400000
  };

  #pragma pack(push, 2)
  typedef struct
  {
    uint32_t size;
    uint32_t flags;
    uint32_t fourcc;
    uint32_t rgbBitCount;
    uint32_t rBitMask;
    uint32_t gBitMask;
    uint32_t bBitMask;
    uint32_t aBitMask;
  } ddpixelformat;

  typedef struct
  {
    uint32_t flags1;
    uint32_t flags2;
    uint32_t reserved[2];
  } ddcaps2;

  typedef struct
  {
    uint32_t      size;
    uint32_t      flags;
    uint32_t      height;
    uint32_t      width;
    uint32_t      linearSize;
    uint32_t      depth;
    uint32_t      mipmapcount;
    uint32_t      reserved[11];
    ddpixelformat pixelFormat;
    ddcaps2       caps;
    uint32_t      reserved2;
  } ddsurfacedesc2;
  #pragma pack(pop)

  ddsurfacedesc2 m_desc;
  unsigned char *m_data;
};