200分！谁有dx transform 原代码？？help!!

Question

dx 文档资料里面没有说明啊！谁能帮我？？

Answer 1

/************************************************************************************************************
   THIS FUNCTION DESIGN BY WYLING
   MUST USE CoInitialze(NULL); and CoUninitialize();
    INCLUDE:#include "ddraw.h"
            //#include <DXTrans.h>
            //#include <DXTGuid.c>
            //#include <DXBounds.h>
            #include <DXHelper.h>
            //#include <DXTError.h>
            //#include <dxtmsftguid.h>        
*   LIB:    kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ddraw.lib 
*************************************************************************************************************/
#define SafeRelease(x) if (x) { x->Release(); x=NULL;}class DXTRANS
{
public:
LPDIRECTDRAW lpDD;
IDXSurface* lpDDSPrimary;
IDXSurface* lpOutputSurface;
IDXSurfaceFactory* lpSurfaceFactory; 
IDXTransformFactory* lpTransformFactory; 
IDXTransform* lpTransform; 
IDXEffect* lpDXEffect; DXTRANS()
{
lpDD = NULL;
lpDDSPrimary = NULL;
lpOutputSurface = NULL;
lpSurfaceFactory = NULL; 
lpTransformFactory = NULL; 
lpTransform = NULL; 
lpDXEffect = NULL;
} ~DXTRANS()
{
Cleanup();
}

bool InitDDraw(HWND hWnd)//初始化DirectDraw组件，使lpDD有效
{
HRESULT ddrval;
ddrval = DirectDrawCreate(NULL, &lpDD, NULL);
if (ddrval != DD_OK){return false;}
ddrval = lpDD->SetCooperativeLevel(hWnd, DDSCL_NORMAL);
if (ddrval != DD_OK){return false;}
return true;
}
/**************************************************************************************************************
const CLSID CLSID_effect1 = {0xAF279B30,0x86EB,0x11D1,0x81,0xBF,0x00,0x00,0xF8,0x75,0x57,0xDB};//抹去
const CLSID CLSID_effect2 = {0xAA0D4D03,0x06A3,0x11D2,0x8F,0x98,0x00,0xC0,0x4F,0xB9,0x2E,0xB7};//波浪
const CLSID CLSID_effect3 = {0xAA0D4D0A,0x06A3,0x11D2,0x8F,0x98,0x00,0xC0,0x4F,0xB9,0x2E,0xB7};//液体流过
const CLSID CLSID_effect4 = {0x3F69F351,0x0379,0x11D2,0xA4,0x84,0x00,0xC0,0x4F,0x8E,0xFB,0x69};//方块分割
const CLSID CLSID_effect5 = {0x107045C8,0x06E0,0x11D2,0x8D,0x6D,0x00,0xC0,0x4F,0x8E,0xF8,0xE0};//向两边扩散
const CLSID CLSID_effect6 = {0x0E6AE022,0x0C83,0x11D2,0x8C,0xD4,0x00,0x10,0x4B,0xC7,0x5D,0x9A};//虫孔
const CLSID CLSID_effect7 = {0x107045CA,0x06E0,0x11D2,0x8D,0x6D,0x00,0xC0,0x4F,0x8E,0xF8,0xE0};//透镜
const CLSID CLSID_effect8 = {0x16B280C5,0xEE70,0x11D1,0x90,0x66,0x00,0xC0,0x4F,0xD9,0x18,0x9D};//退色 
const CLSID CLSID_effect9 = {0x2A54C908,0x07AA,0x11D2,0x8D,0x6D,0x00,0xC0,0x4F,0x8E,0xF8,0xE0};//Color退色
const CLSID CLSID_effect10 ={0x2A54C90B,0x07AA,0x11D2,0x8D,0x6D,0x00,0xC0,0x4F,0x8E,0xF8,0xE0};//吹风
const CLSID CLSID_effect11 ={0xAA0D4D0C,0x06A3,0x11D2,0x8F,0x98,0x00,0xC0,0x4F,0xB9,0x2E,0xB7};//剥落
const CLSID CLSID_effect12 ={0x107045D1,0x06E0,0x11D2,0x8D,0x6D,0x00,0xC0,0x4F,0x8E,0xF8,0xE0};//黑色的晕
const CLSID CLSID_effect13 ={0x00C429C0,0x0BA9,0x11d2,0xA4,0x84,0x00,0xC0,0x4F,0x8E,0xFB,0x69};//卷连门
const CLSID CLSID_effect14 ={0xC3BDF740,0x0B58,0x11d2,0xA4,0x84,0x00,0xC0,0x4F,0x8E,0xFB,0x69};//从中间向两边扩散
const CLSID CLSID_effect15 ={0x9C61F46E,0x0530,0x11D2,0x8F,0x98,0x00,0xC0,0x4F,0xB9,0x2E,0xB7};//卷动
const CLSID CLSID_effect16 ={0x7658F2A2,0x0A83,0x11d2,0xA4,0x84,0x00,0xC0,0x4F,0x8E,0xFB,0x69};//拉伸
const CLSID CLSID_effect17 ={0x107045C5,0x06E0,0x11D2,0x8D,0x6D,0x00,0xC0,0x4F,0x8E,0xF8,0xE0};//左右摇摆的波浪
const CLSID CLSID_effect18 ={0x2A54C915,0x07AA,0x11D2,0x8D,0x6D,0x00,0xC0,0x4F,0x8E,0xF8,0xE0};//侵蚀
const CLSID CLSID_effect19 ={0x2A54C904,0x07AA,0x11D2,0x8D,0x6D,0x00,0xC0,0x4F,0x8E,0xF8,0xE0};//峡口
***************************************************************************************************************/ bool InitDTransform(int cx,int cy,REFCLSID transStyle)//cx,cy表示输出界面的大小
{
CDXDBnds ImageBounds;
HRESULT hres, ddrval;
    hres = CoCreateInstance(CLSID_DXTransformFactory,NULL,CLSCTX_INPROC,IID_IDXTransformFactory,(void**)&lpTransformFactory);
if (hres != S_OK){return false;}
hres = lpTransformFactory->QueryInterface(IID_IDXSurfaceFactory,(void**)&lpSurfaceFactory);
if (hres != S_OK){return false;}
    hres = lpTransformFactory->CreateTransform( NULL,0,NULL,0,NULL,NULL,transStyle,IID_IDXTransform,(void**)&lpTransform);
if (hres != S_OK){return false;}
hres = lpTransform->QueryInterface(IID_IDXEffect,(void**)&lpDXEffect);
if (hres != S_OK){return false;}
ImageBounds.SetXYSize(cx, cy);
hres = lpSurfaceFactory->CreateSurface( NULL,NULL,&DDPF_PMARGB32,&ImageBounds,0,NULL,IID_IDXSurface,(void**)&lpOutputSurface);
if (hres != S_OK){return false;}
    DDSURFACEDESC ddsd;
ZeroMemory(&ddsd,sizeof(ddsd));
    ddsd.dwSize = sizeof(ddsd);
    ddsd.dwFlags = DDSD_CAPS;
    ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
ddrval=lpSurfaceFactory->CreateSurface(NULL,&ddsd,NULL,NULL,0,NULL,IID_IDXSurface,(void **)&lpDDSPrimary);
if (ddrval != DD_OK){return false;}
return true;
}
bool SetupTransform(IUnknown **in,int inNum)//用法： IUnknow *in[2];in[0]=(IDXSurface).
{
HRESULT hres;
    IUnknown* out[1];
out[0] = lpOutputSurface;
hres = lpTransform->Setup(in, inNum, out, 1, 0);
if (hres != S_OK){return false;}
return true;
}
    bool LoadDXSurface(char FileName[256],IDXSurface** surface)
{
HRESULT hres;
WCHAR WFileName[256];
mbstowcs(WFileName, FileName, 256);
SafeRelease((*surface));
if (lpSurfaceFactory == NULL){return false;}
hres = lpSurfaceFactory->LoadImage(WFileName,NULL,NULL,NULL,IID_IDXSurface,(void**)surface);
if (hres != S_OK){return false;}
    return true;
}
    bool RunImageTransform(float step,DXVEC desc,DXBNDS src)//step应该是1.0的倍数  
                                                        //desc:目标坐标   CDXDVec Placement( (WindowWidth - width)/2, (WindowHeight - height)/2, 0, 0 );
//src: 源距形     CDXDBnds PortionBnds(width, height);
{
HRESULT hres;
DXVEC TransformPlacement = { DXBT_DISCRETE, 0 };
    if (lpOutputSurface == NULL){return false;}
hres = DXFillSurface(lpOutputSurface, 0x0, FALSE);
if (hres != S_OK) return false;
static float progress=0.0f,add=step;
progress += add;
if (progress > 1.0f)
{
add = (-step);
progress = 1.0f;
}
if (progress < 0.0f)
{
add = step;
progress = 0.0f;
}
lpDXEffect->put_Progress(progress);// 0:代表第一个图形 1:代表第二个图形
hres = lpTransform->Execute(NULL,NULL,&TransformPlacement);
hres = lpSurfaceFactory->BitBlt( lpDDSPrimary,&desc,lpOutputSurface,&src,DXBOF_DO_OVER);
if (hres != S_OK)return false;
return true;
}    void Cleanup()
{
    SafeRelease(lpDDSPrimary);
    SafeRelease(lpOutputSurface);
    SafeRelease(lpSurfaceFactory);
    SafeRelease(lpTransform);
    SafeRelease(lpTransformFactory);
    SafeRelease(lpDD);
}
};只实现了几个效果，你看看DX的文档资料,里面有说明