d3dx8core.h

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///////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) Microsoft Corporation.  All Rights Reserved.
//
//  File:       d3dx8core.h
//  Content:    D3DX core types and functions
//
///////////////////////////////////////////////////////////////////////////

#include "d3dx8.h"

#ifndef __D3DX8CORE_H__
#define __D3DX8CORE_H__



///////////////////////////////////////////////////////////////////////////
// ID3DXBuffer:
// ------------
// The buffer object is used by D3DX to return arbitrary size data.
//
// GetBufferPointer -
//    Returns a pointer to the beginning of the buffer.
//
// GetBufferSize -
//    Returns the size of the buffer, in bytes.
///////////////////////////////////////////////////////////////////////////

typedef interface ID3DXBuffer ID3DXBuffer;
typedef interface ID3DXBuffer *LPD3DXBUFFER;

// {932E6A7E-C68E-45dd-A7BF-53D19C86DB1F}
DEFINE_GUID(IID_ID3DXBuffer, 
0x932e6a7e, 0xc68e, 0x45dd, 0xa7, 0xbf, 0x53, 0xd1, 0x9c, 0x86, 0xdb, 0x1f);

#undef INTERFACE
#define INTERFACE ID3DXBuffer

DECLARE_INTERFACE_(ID3DXBuffer, IUnknown)
{
    // IUnknown
    STDMETHOD(QueryInterface)(THIS_ REFIID iid, LPVOID *ppv) PURE;
    STDMETHOD_(ULONG, AddRef)(THIS) PURE;
    STDMETHOD_(ULONG, Release)(THIS) PURE;

    // ID3DXBuffer
    STDMETHOD_(LPVOID, GetBufferPointer)(THIS) PURE;
    STDMETHOD_(DWORD, GetBufferSize)(THIS) PURE;
};



///////////////////////////////////////////////////////////////////////////
// ID3DXFont:
// ----------
// Font objects contain the textures and resources needed to render
// a specific font on a specific device.
//
// Begin -
//    Prepartes device for drawing text.  This is optional.. if DrawText
//    is called outside of Begin/End, it will call Begin and End for you.
//
// DrawText -
//    Draws formatted text on a D3D device.  Some parameters are 
//    surprisingly similar to those of GDI's DrawText function.  See GDI 
//    documentation for a detailed description of these parameters.
//
// End -
//    Restores device state to how it was when Begin was called.
//
// OnLostDevice, OnResetDevice -
//    Call OnLostDevice() on this object before calling Reset() on the
//    device, so that this object can release any stateblocks and video
//    memory resources.  After Reset(), the call OnResetDevice().
//
///////////////////////////////////////////////////////////////////////////

typedef interface ID3DXFont ID3DXFont;
typedef interface ID3DXFont *LPD3DXFONT;


// {89FAD6A5-024D-49af-8FE7-F51123B85E25}
DEFINE_GUID( IID_ID3DXFont, 
0x89fad6a5, 0x24d, 0x49af, 0x8f, 0xe7, 0xf5, 0x11, 0x23, 0xb8, 0x5e, 0x25);


#undef INTERFACE
#define INTERFACE ID3DXFont

DECLARE_INTERFACE_(ID3DXFont, IUnknown)
{
    // IUnknown
    STDMETHOD(QueryInterface)(THIS_ REFIID iid, LPVOID *ppv) PURE;
    STDMETHOD_(ULONG, AddRef)(THIS) PURE;
    STDMETHOD_(ULONG, Release)(THIS) PURE;

    // ID3DXFont
    STDMETHOD(GetDevice)(THIS_ LPDIRECT3DDEVICE8* ppDevice) PURE;
    STDMETHOD(GetLogFont)(THIS_ LOGFONT* pLogFont) PURE;

    STDMETHOD(Begin)(THIS) PURE;
    STDMETHOD_(INT, DrawTextA)(THIS_ LPCSTR  pString, INT Count, LPRECT pRect, DWORD Format, D3DCOLOR Color) PURE;
    STDMETHOD_(INT, DrawTextW)(THIS_ LPCWSTR pString, INT Count, LPRECT pRect, DWORD Format, D3DCOLOR Color) PURE;
    STDMETHOD(End)(THIS) PURE;

    STDMETHOD(OnLostDevice)(THIS) PURE;
    STDMETHOD(OnResetDevice)(THIS) PURE;
};

#ifndef DrawText
#ifdef UNICODE
#define DrawText DrawTextW
#else
#define DrawText DrawTextA
#endif
#endif


#ifdef __cplusplus
extern "C" {
#endif //__cplusplus

HRESULT WINAPI
    D3DXCreateFont(
        LPDIRECT3DDEVICE8   pDevice,
        HFONT               hFont,
        LPD3DXFONT*         ppFont);


HRESULT WINAPI
    D3DXCreateFontIndirect(
        LPDIRECT3DDEVICE8   pDevice,
        CONST LOGFONT*      pLogFont,
        LPD3DXFONT*         ppFont);

#ifdef __cplusplus
}
#endif //__cplusplus




///////////////////////////////////////////////////////////////////////////
// ID3DXSprite:
// ------------
// This object intends to provide an easy way to drawing sprites using D3D.
//
// Begin - 
//    Prepares device for drawing sprites
//
// Draw, DrawAffine, DrawTransform -
//    Draws a sprite in screen-space.  Before transformation, the sprite is
//    the size of SrcRect, with its top-left corner at the origin (0,0).  
//    The color and alpha channels are modulated by Color.
//
// End - 
//     Restores device state to how it was when Begin was called.
//
// OnLostDevice, OnResetDevice -
//    Call OnLostDevice() on this object before calling Reset() on the
//    device, so that this object can release any stateblocks and video
//    memory resources.  After Reset(), the call OnResetDevice().
///////////////////////////////////////////////////////////////////////////

typedef interface ID3DXSprite ID3DXSprite;
typedef interface ID3DXSprite *LPD3DXSPRITE;


// {13D69D15-F9B0-4e0f-B39E-C91EB33F6CE7}
DEFINE_GUID( IID_ID3DXSprite, 
0x13d69d15, 0xf9b0, 0x4e0f, 0xb3, 0x9e, 0xc9, 0x1e, 0xb3, 0x3f, 0x6c, 0xe7);


#undef INTERFACE
#define INTERFACE ID3DXSprite

DECLARE_INTERFACE_(ID3DXSprite, IUnknown)
{
    // IUnknown
    STDMETHOD(QueryInterface)(THIS_ REFIID iid, LPVOID *ppv) PURE;
    STDMETHOD_(ULONG, AddRef)(THIS) PURE;
    STDMETHOD_(ULONG, Release)(THIS) PURE;

    // ID3DXSprite
    STDMETHOD(GetDevice)(THIS_ LPDIRECT3DDEVICE8* ppDevice) PURE;

    STDMETHOD(Begin)(THIS) PURE;

    STDMETHOD(Draw)(THIS_ LPDIRECT3DTEXTURE8  pSrcTexture, 
        CONST RECT* pSrcRect, CONST D3DXVECTOR2* pScaling, 
        CONST D3DXVECTOR2* pRotationCenter, FLOAT Rotation, 
        CONST D3DXVECTOR2* pTranslation, D3DCOLOR Color) PURE;

    STDMETHOD(DrawTransform)(THIS_ LPDIRECT3DTEXTURE8 pSrcTexture, 
        CONST RECT* pSrcRect, CONST D3DXMATRIX* pTransform, 
        D3DCOLOR Color) PURE;

    STDMETHOD(End)(THIS) PURE;

    STDMETHOD(OnLostDevice)(THIS) PURE;
    STDMETHOD(OnResetDevice)(THIS) PURE;
};


#ifdef __cplusplus
extern "C" {
#endif //__cplusplus


HRESULT WINAPI
    D3DXCreateSprite(
        LPDIRECT3DDEVICE8   pDevice,
        LPD3DXSPRITE*       ppSprite);

#ifdef __cplusplus
}
#endif //__cplusplus




///////////////////////////////////////////////////////////////////////////
// ID3DXRenderToSurface:
// ---------------------
// This object abstracts rendering to surfaces.  These surfaces do not 
// necessarily need to be render targets.  If they are not, a compatible
// render target is used, and the result copied into surface at end scene.
//
// BeginScene, EndScene -
//    Call BeginScene() and EndScene() at the beginning and ending of your
//    scene.  These calls will setup and restore render targets, viewports, 
//    etc.. 
//
// OnLostDevice, OnResetDevice -
//    Call OnLostDevice() on this object before calling Reset() on the
//    device, so that this object can release any stateblocks and video
//    memory resources.  After Reset(), the call OnResetDevice().
///////////////////////////////////////////////////////////////////////////

typedef struct _D3DXRTS_DESC
{
    UINT                Width;
    UINT                Height;
    D3DFORMAT           Format;
    BOOL                DepthStencil;
    D3DFORMAT           DepthStencilFormat;

} D3DXRTS_DESC;


typedef interface ID3DXRenderToSurface ID3DXRenderToSurface;
typedef interface ID3DXRenderToSurface *LPD3DXRENDERTOSURFACE;


// {82DF5B90-E34E-496e-AC1C-62117A6A5913}
DEFINE_GUID( IID_ID3DXRenderToSurface, 
0x82df5b90, 0xe34e, 0x496e, 0xac, 0x1c, 0x62, 0x11, 0x7a, 0x6a, 0x59, 0x13);


#undef INTERFACE
#define INTERFACE ID3DXRenderToSurface

DECLARE_INTERFACE_(ID3DXRenderToSurface, IUnknown)
{
    // IUnknown
    STDMETHOD(QueryInterface)(THIS_ REFIID iid, LPVOID *ppv) PURE;
    STDMETHOD_(ULONG, AddRef)(THIS) PURE;
    STDMETHOD_(ULONG, Release)(THIS) PURE;

    // ID3DXRenderToSurface
    STDMETHOD(GetDevice)(THIS_ LPDIRECT3DDEVICE8* ppDevice) PURE;
    STDMETHOD(GetDesc)(THIS_ D3DXRTS_DESC* pDesc) PURE;

    STDMETHOD(BeginScene)(THIS_ LPDIRECT3DSURFACE8 pSurface, CONST D3DVIEWPORT8* pViewport) PURE;
    STDMETHOD(EndScene)(THIS) PURE;

    STDMETHOD(OnLostDevice)(THIS) PURE;
    STDMETHOD(OnResetDevice)(THIS) PURE;
};


#ifdef __cplusplus