private_data.cpp File Reference

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Functions
BOOL	CreateSurface (LPDIRECTDRAWSURFACE7 *pSurface)
BOOL	Test_PrivateData (INT *passed, INT *failed)

Function Documentation

CreateSurface()

BOOL CreateSurface

(

LPDIRECTDRAWSURFACE7 *

pSurface

)

Definition at line 28 of file helper.cpp.

{
    LPDIRECTDRAW7 DirectDraw;
    LPDIRECTDRAWSURFACE7 Surface;
    HWND hwnd;
 
    // Create DDraw Object
    if (DirectDrawCreateEx(NULL, (VOID**)&DirectDraw, IID_IDirectDraw7, NULL) != DD_OK)
    {
        printf("ERROR: Failed to set up ddraw\n");
        return FALSE;
    }
 
    if(!( hwnd = CreateBasicWindow() ))
    {
        printf("ERROR: Failed to create window\n");
        DirectDraw->Release();
        return FALSE;
    }
 
    if (DirectDraw->SetCooperativeLevel (hwnd, DDSCL_NORMAL) != DD_OK)
    {
        printf("ERROR: Could not set cooperative level\n");
        DirectDraw->Release();
        return 0;
    }
 
    // Creat Surface
    DDSURFACEDESC2 Desc = { 0 };
    Desc.dwHeight = 200;
    Desc.dwWidth = 200;
    Desc.dwSize = sizeof (DDSURFACEDESC2);
    Desc.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
    Desc.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
 
    if(DirectDraw->CreateSurface(&Desc, &Surface, NULL) != DD_OK)
    {
        printf("ERROR: Faild to create Surface\n");
        return FALSE;
    }
 
    DirectDraw->Release();
 
    *pSurface = Surface;
    return TRUE;
}

Referenced by Blt_Test(), Test_Blt(), and Test_PrivateData().

Test_PrivateData()

BOOL Test_PrivateData	(	INT *	passed,
		INT *	failed
	)

Definition at line 3 of file private_data.cpp.

{
    LPDIRECTDRAWSURFACE7 Surface;
    DWORD size, dummy = 0xBAADF00D;
    GUID guid = { 0 };
    GUID guid2 = { 0x1 };
 
    if(!CreateSurface(&Surface))
        return FALSE;
 
    // General test
    TEST(Surface->SetPrivateData(guid, NULL, 0, 0) == DDERR_INVALIDPARAMS);
    TEST(Surface->SetPrivateData(guid, (LPVOID)&dummy, 0, 0) == DDERR_INVALIDPARAMS);
    TEST(Surface->SetPrivateData(guid, (LPVOID)0xdeadbeef, sizeof(DWORD), 0) == DDERR_INVALIDPARAMS);
    TEST(Surface->SetPrivateData(guid, (LPVOID)&dummy, sizeof(DWORD), 0) == DD_OK);
 
    TEST(Surface->GetPrivateData(guid, NULL, 0) == DDERR_INVALIDPARAMS);
    TEST(Surface->GetPrivateData(guid, &dummy, 0) == DDERR_INVALIDPARAMS);
    size = 0;
    TEST(Surface->GetPrivateData(guid, &dummy, &size) == DDERR_MOREDATA && size == sizeof(DWORD));
    size = 2;
    TEST(Surface->GetPrivateData(guid, NULL, &size) == DDERR_MOREDATA && size == sizeof(DWORD));
    TEST(Surface->GetPrivateData(guid, NULL, &size) == DDERR_INVALIDPARAMS);
    TEST(Surface->GetPrivateData(guid, &dummy, &size) == DD_OK && dummy == 0xBAADF00D);
    TEST(Surface->GetPrivateData(guid2, NULL, 0) == DDERR_NOTFOUND);
 
    TEST(Surface->FreePrivateData(guid) == DD_OK);
    TEST(Surface->FreePrivateData(guid) == DDERR_NOTFOUND);
 
    // Test for DDSPD_VOLATILE flag
    TEST(Surface->SetPrivateData(guid, (LPVOID)&dummy, sizeof(DWORD), DDSPD_VOLATILE) == DD_OK);
    size = 0;
    TEST(Surface->GetPrivateData(guid, NULL, &size) == DDERR_MOREDATA && size == sizeof(DWORD));
    TEST(Surface->GetPrivateData(guid, &dummy, &size) == DD_OK && dummy == 0xBAADF00D);
 
    DDBLTFX  bltfx;
    bltfx.dwSize = sizeof(DDBLTFX);
    bltfx.dwFillColor = RGB(0, 0, 0);
    if(Surface->Blt(NULL, NULL, NULL, DDBLT_COLORFILL | DDBLT_WAIT, &bltfx) != DD_OK)
        printf("ERROR: Failed to draw to surface !");
    TEST(Surface->GetPrivateData(guid, &dummy, &size) == DDERR_EXPIRED);
 
    // TODO: Test for DDSPD_IUNKNOWNPOINTER (see http://msdn.microsoft.com/archive/default.asp?url=/archive/en-us/ddraw7/directdraw7/ddref_5qyf.asp)
 
    Surface->Release();
    return TRUE;
}