How can complete the screen capture?

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I want to try to do a screen capture software.
But I don't know where to start.

The software of things to do:

Screen data storage for video data.
You can play it again.
Another host can also see my screen.

Please help me on this.

Posted 7-Apr-12 15:44pm

mini_fling

Updated 9-Apr-12 2:42am

Pranit Kothari

v2

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Lakamraju Raghuram · Answer 1 · 2012-04-07T16:59:00

Solution 1

If you Google, you will find many. I am providing you few, hope these helps :

1. Various methods for capturing the screen[^]
2. Barry's Screen Capture[^]
3. Screen Capture (Simple Win32 Dialog Based)[^]

Posted 7-Apr-12 16:59pm

Lakamraju Raghuram

Tox1k · Answer 2 · 2012-04-10T14:39:00

Here is a simple d3d screen capture, you may need d3d9.h from your d3d install in your resources folder:

C++

// usage: TakeScreenShot("C:\\Yourname.bmp");
void TakeScreenShot(char* file_name)
{
    LPDIRECT3D8 pD3D = NULL;
    LPDIRECT3DDEVICE8 device = NULL;
    pD3D = Direct3DCreate8( D3D_SDK_VERSION );
    int nMode = 0;
    D3DDISPLAYMODE d3ddm;
    bool bDesiredAdaptorModeFound = false;
    int nMaxAdaptorModes = pD3D->GetAdapterModeCount( 0 ); //0, 22
    for( nMode = 0; nMode < nMaxAdaptorModes; ++nMode )    {
        pD3D->EnumAdapterModes( D3DADAPTER_DEFAULT, nMode, &d3ddm );
        if( d3ddm.Width != 640 || d3ddm.Height != 480 )
            continue;
        if( d3ddm.Format != D3DFMT_X8R8G8B8 )
            continue;
        if( d3ddm.RefreshRate != 75 )
            continue;
        bDesiredAdaptorModeFound = true;
        break;
    }
    pD3D->CheckDeviceType( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, D3DFMT_X8R8G8B8, D3DFMT_X8R8G8B8, FALSE );
    pD3D->CheckDeviceFormat( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, D3DFMT_X8R8G8B8, D3DUSAGE_DEPTHSTENCIL, D3DRTYPE_SURFACE, D3DFMT_D16 );
        D3DCAPS8 d3dCaps;    
    pD3D->GetDeviceCaps( D3DADAPTER_DEFAULT,D3DDEVTYPE_HAL, &d3dCaps );    
    DWORD dwBehaviorFlags = 0;
    if( d3dCaps.VertexProcessingCaps != 0 )
        dwBehaviorFlags |= D3DCREATE_HARDWARE_VERTEXPROCESSING;
    else
        dwBehaviorFlags |= D3DCREATE_SOFTWARE_VERTEXPROCESSING;
    D3DPRESENT_PARAMETERS d3dpp;
    memset(&d3dpp, 0, sizeof(d3dpp));
    d3dpp.Windowed               = TRUE;
    d3dpp.EnableAutoDepthStencil = TRUE;
    d3dpp.AutoDepthStencilFormat = D3DFMT_D16;
    d3dpp.SwapEffect             = D3DSWAPEFFECT_DISCARD;
    d3dpp.BackBufferWidth        = 1600;
    d3dpp.BackBufferHeight       = 1200;
    d3dpp.BackBufferFormat       = D3DFMT_X8R8G8B8;
    pD3D->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, GetDesktopWindow(), dwBehaviorFlags, &d3dpp, &device );  //Gets Desktop Area
    int screenx = GetSystemMetrics(SM_CXSCREEN);
    int screeny = GetSystemMetrics(SM_CYSCREEN);
    LPDIRECT3DSURFACE8 frontbuf = 0;
    device->GetBackBuffer(0, D3DBACKBUFFER_TYPE_MONO, &frontbuf);
    device->CreateImageSurface(screenx, screeny, D3DFMT_A8R8G8B8, &frontbuf);
    HRESULT hr = device->GetFrontBuffer(frontbuf);
    D3DXSaveSurfaceToFile(file_name, D3DXIFF_BMP, frontbuf, NULL, NULL);
    frontbuf->Release();
    device->Release();
    pD3D->Release();
}