#pragma once

#ifdef __cplusplus
extern "C" {
#endif

/* DCI Command Escape */
#define DCICOMMAND                     3075
#define DCI_VERSION                    0x0100

#define DCICREATEPRIMARYSURFACE        1
#define DCICREATEOFFSCREENSURFACE      2
#define DCICREATEOVERLAYSURFACE        3
#define DCIENUMSURFACE                 4
#define DCIESCAPE                      5

/* DCI Errors */
#define DCI_OK                         0
#define DCI_FAIL_GENERIC               -1
#define DCI_FAIL_UNSUPPORTEDVERSION    -2
#define DCI_FAIL_INVALIDSURFACE        -3
#define DCI_FAIL_UNSUPPORTED           -4
#define DCI_ERR_CURRENTLYNOTAVAIL      -5
#define DCI_ERR_INVALIDRECT            -6
#define DCI_ERR_UNSUPPORTEDFORMAT      -7
#define DCI_ERR_UNSUPPORTEDMASK        -8
#define DCI_ERR_TOOBIGHEIGHT           -9
#define DCI_ERR_TOOBIGWIDTH            -10
#define DCI_ERR_TOOBIGSIZE             -11
#define DCI_ERR_OUTOFMEMORY            -12
#define DCI_ERR_INVALIDPOSITION        -13
#define DCI_ERR_INVALIDSTRETCH         -14
#define DCI_ERR_INVALIDCLIPLIST        -15
#define DCI_ERR_SURFACEISOBSCURED      -16
#define DCI_ERR_XALIGN                 -17
#define DCI_ERR_YALIGN                 -18
#define DCI_ERR_XYALIGN                -19
#define DCI_ERR_WIDTHALIGN             -20
#define DCI_ERR_HEIGHTALIGN            -21

#define DCI_STATUS_POINTERCHANGED      1
#define DCI_STATUS_STRIDECHANGED       2
#define DCI_STATUS_FORMATCHANGED       4
#define DCI_STATUS_SURFACEINFOCHANGED  8
#define DCI_STATUS_CHROMAKEYCHANGED    16
#define DCI_STATUS_WASSTILLDRAWING     32

#define DCI_SUCCESS(error) (((DCIRVAL)error) >= 0)

/* DCI Capability Flags */
#define DCI_SURFACE_TYPE                        0x0000000F
#define DCI_PRIMARY                             0x00000000
#define DCI_OFFSCREEN                           0x00000001
#define DCI_OVERLAY                             0x00000002
#define DCI_VISIBLE                             0x00000010
#define DCI_CHROMAKEY                           0x00000020
#define DCI_1632_ACCESS                         0x00000040
#define DCI_DWORDSIZE                           0x00000080
#define DCI_DWORDALIGN                          0x00000100
#define DCI_WRITEONLY                           0x00000200
#define DCI_ASYNC                               0x00000400
#define DCI_CAN_STRETCHX                        0x00001000
#define DCI_CAN_STRETCHY                        0x00002000
#define DCI_CAN_STRETCHXY                       (DCI_CAN_STRETCHX | DCI_CAN_STRETCHY)
#define DCI_CAN_STRETCHXN                       0x00004000
#define DCI_CAN_STRETCHYN                       0x00008000
#define DCI_CAN_STRETCHXYN                      (DCI_CAN_STRETCHXN | DCI_CAN_STRETCHYN)
#define DCI_CANOVERLAY                          0x00010000

/* DCI FOURCC definitions for extended DIB formats */
#ifndef YVU9
#define YVU9 mmioFOURCC('Y','V','U','9')
#endif
#ifndef Y411
#define Y411 mmioFOURCC('Y','4','1','1')
#endif
#ifndef YUY2
#define YUY2 mmioFOURCC('Y','U','Y','2')
#endif
#ifndef YVYU
#define YVYU mmioFOURCC('Y','V','Y','U')
#endif
#ifndef UYVY
#define UYVY mmioFOURCC('U','Y','V','Y')
#endif
#ifndef Y211
#define Y211 mmioFOURCC('Y','2','1','1')
#endif

#if (WINVER < 0x0400)

#ifndef RDH_RECTANGLES

typedef struct tagRECTL {
  LONG left;
  LONG top;
  LONG right;
  LONG bottom;
} RECTL, *PRECTL, NEAR* NPRECTL, FAR* LPRECTL, CONST FAR* LPCRECTL;

#define RDH_RECTANGLES                 0

typedef struct tagRGNDATAHEADER {
  DWORD dwSize;
  DWORD iType;
  DWORD nCount;
  DWORD nRgnSize;
  RECTL rcBound;
} RGNDATAHEADER, *PRGNDATAHEADER, NEAR* NPRGNDATAHEADER, FAR* LPRGNDATAHEADER, CONST FAR* LPCRGNDATAHEADER;

typedef struct tagRGNDATA {
  RGNDATAHEADER rdh;
  char Buffer[1];
} RGNDATA, *PRGNDATA, NEAR* NPRGNDATA, FAR* LPRGNDATA, CONST FAR* LPCRGNDATA;

#endif /* RDH_RECTANGLES */

#endif /* (WINVER < 0x0400) */

typedef int DCIRVAL; /* DCI callback return type */

/* Escape command structures */

typedef struct _DCICMD {
  DWORD dwCommand;
  DWORD dwParam1;
  DWORD dwParam2;
  DWORD dwVersion;
  DWORD dwReserved;
} DCICMD,*LPDCICMD;

typedef struct _DCICREATEINPUT {
  DCICMD cmd;
  DWORD dwCompression;
  DWORD dwMask[3];
  DWORD dwWidth;
  DWORD dwHeight;
  DWORD dwDCICaps;
  DWORD dwBitCount;
  LPVOID lpSurface;
} DCICREATEINPUT, FAR *LPDCICREATEINPUT;

typedef struct _DCISURFACEINFO {
  DWORD dwSize;
  DWORD dwDCICaps;
  DWORD dwCompression;
  DWORD dwMask[3];
  DWORD dwWidth;
  DWORD dwHeight;
  LONG lStride;
  DWORD dwBitCount;
  ULONG_PTR dwOffSurface;
  WORD wSelSurface;
  WORD wReserved;
  DWORD dwReserved1;
  DWORD dwReserved2;
  DWORD dwReserved3;
  DCIRVAL (CALLBACK *BeginAccess) (LPVOID, LPRECT);
  void (CALLBACK *EndAccess) (LPVOID);
  void (CALLBACK *DestroySurface) (LPVOID);
} DCISURFACEINFO, FAR *LPDCISURFACEINFO;

typedef void
(*ENUM_CALLBACK)(
  LPDCISURFACEINFO lpSurfaceInfo,
  LPVOID lpContext);

typedef struct _DCIENUMINPUT {
  DCICMD cmd;
  RECT rSrc;
  RECT rDst;
  void (CALLBACK *EnumCallback)(LPDCISURFACEINFO, LPVOID);
  LPVOID lpContext;
} DCIENUMINPUT, FAR *LPDCIENUMINPUT;

typedef DCISURFACEINFO DCIPRIMARY, FAR *LPDCIPRIMARY;

typedef struct _DCIOFFSCREEN {
  DCISURFACEINFO dciInfo;
  DCIRVAL (CALLBACK *Draw) (LPVOID);
  DCIRVAL (CALLBACK *SetClipList) (LPVOID, LPRGNDATA);
  DCIRVAL (CALLBACK *SetDestination) (LPVOID, LPRECT, LPRECT);
} DCIOFFSCREEN, FAR *LPDCIOFFSCREEN;

typedef struct _DCIOVERLAY{
  DCISURFACEINFO dciInfo;
  DWORD dwChromakeyValue;
  DWORD dwChromakeyMask;
} DCIOVERLAY, FAR *LPDCIOVERLAY;

#ifdef __cplusplus
} /* extern "C" */
#endif