C++ (Cpp) IWICBitmapSource_AddRef Examples

Example #1

File: clipper.c Project: Moteesh/reactos

static HRESULT WINAPI BitmapClipper_Initialize(IWICBitmapClipper *iface,
    IWICBitmapSource *source, const WICRect *rc)
{
    BitmapClipper *This = impl_from_IWICBitmapClipper(iface);
    UINT width, height;
    HRESULT hr = S_OK;

    TRACE("(%p,%p,%s)\n", iface, source, debug_wic_rect(rc));

    EnterCriticalSection(&This->lock);

    if (This->source)
    {
        hr = WINCODEC_ERR_WRONGSTATE;
        goto end;
    }

    hr = IWICBitmapSource_GetSize(source, &width, &height);
    if (FAILED(hr)) goto end;

    if  ((rc->X + rc->Width > width) || (rc->Y + rc->Height > height))
    {
        hr = E_INVALIDARG;
        goto end;
    }

    This->rect = *rc;
    This->source = source;
    IWICBitmapSource_AddRef(This->source);

end:
    LeaveCriticalSection(&This->lock);

    return hr;
}

Example #2

File: fliprotate.c Project: MichaelMcDonnell/wine

static HRESULT WINAPI FlipRotator_Initialize(IWICBitmapFlipRotator *iface,
    IWICBitmapSource *pISource, WICBitmapTransformOptions options)
{
    FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
    HRESULT hr=S_OK;

    TRACE("(%p,%p,%u)\n", iface, pISource, options);

    EnterCriticalSection(&This->lock);

    if (This->source)
    {
        hr = WINCODEC_ERR_WRONGSTATE;
        goto end;
    }

    if (options&WICBitmapTransformRotate90)
    {
        This->swap_xy = 1;
        This->flip_x = !This->flip_x;
    }

    if (options&WICBitmapTransformRotate180)
    {
        This->flip_x = !This->flip_x;
        This->flip_y = !This->flip_y;
    }

    if (options&WICBitmapTransformFlipHorizontal)
        This->flip_x = !This->flip_x;

    if (options&WICBitmapTransformFlipVertical)
        This->flip_y = !This->flip_y;

    IWICBitmapSource_AddRef(pISource);
    This->source = pISource;

end:
    LeaveCriticalSection(&This->lock);

    return hr;
}

Example #3

File: proxy.c Project: Moteesh/reactos

HRESULT WINAPI WICSetEncoderFormat_Proxy(IWICBitmapSource *pSourceIn,
    IWICPalette *pIPalette, IWICBitmapFrameEncode *pIFrameEncode,
    IWICBitmapSource **ppSourceOut)
{
    HRESULT hr;
    WICPixelFormatGUID pixelformat, framepixelformat;

    TRACE("%p,%p,%p,%p\n", pSourceIn, pIPalette, pIFrameEncode, ppSourceOut);

    if (pIPalette) FIXME("ignoring palette\n");

    if (!pSourceIn || !pIFrameEncode || !ppSourceOut)
        return E_INVALIDARG;

    *ppSourceOut = NULL;

    hr = IWICBitmapSource_GetPixelFormat(pSourceIn, &pixelformat);

    if (SUCCEEDED(hr))
    {
        framepixelformat = pixelformat;
        hr = IWICBitmapFrameEncode_SetPixelFormat(pIFrameEncode, &framepixelformat);
    }

    if (SUCCEEDED(hr))
    {
        if (IsEqualGUID(&pixelformat, &framepixelformat))
        {
            *ppSourceOut = pSourceIn;
            IWICBitmapSource_AddRef(pSourceIn);
        }
        else
        {
            hr = WICConvertBitmapSource(&framepixelformat, pSourceIn, ppSourceOut);
        }
    }

    return hr;
}

Example #4

File: scaler.c Project: RareHare/reactos

static HRESULT WINAPI BitmapScaler_Initialize(IWICBitmapScaler *iface,
    IWICBitmapSource *pISource, UINT uiWidth, UINT uiHeight,
    WICBitmapInterpolationMode mode)
{
    BitmapScaler *This = impl_from_IWICBitmapScaler(iface);
    HRESULT hr;
    GUID src_pixelformat;

    TRACE("(%p,%p,%u,%u,%u)\n", iface, pISource, uiWidth, uiHeight, mode);

    EnterCriticalSection(&This->lock);

    if (This->source)
    {
        hr = WINCODEC_ERR_WRONGSTATE;
        goto end;
    }

    This->width = uiWidth;
    This->height = uiHeight;
    This->mode = mode;

    hr = IWICBitmapSource_GetSize(pISource, &This->src_width, &This->src_height);

    if (SUCCEEDED(hr))
        hr = IWICBitmapSource_GetPixelFormat(pISource, &src_pixelformat);

    if (SUCCEEDED(hr))
    {
        hr = get_pixelformat_bpp(&src_pixelformat, &This->bpp);
    }

    if (SUCCEEDED(hr))
    {
        switch (mode)
        {
        default:
            FIXME("unsupported mode %i\n", mode);
            /* fall-through */
        case WICBitmapInterpolationModeNearestNeighbor:
            if ((This->bpp % 8) == 0)
            {
                IWICBitmapSource_AddRef(pISource);
                This->source = pISource;
            }
            else
            {
                hr = WICConvertBitmapSource(&GUID_WICPixelFormat32bppBGRA,
                    pISource, &This->source);
                This->bpp = 32;
            }
            This->fn_get_required_source_rect = NearestNeighbor_GetRequiredSourceRect;
            This->fn_copy_scanline = NearestNeighbor_CopyScanline;
            break;
        }
    }

end:
    LeaveCriticalSection(&This->lock);

    return hr;
}