static HRESULT WINAPI FlipRotator_CopyPixels(IWICBitmapFlipRotator *iface,
const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
{
FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
HRESULT hr;
UINT y;
UINT srcy, srcwidth, srcheight;
WICRect rc;
WICRect rect;
TRACE("(%p,%p,%u,%u,%p)\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
if (!This->source) return WINCODEC_ERR_WRONGSTATE;
if (This->swap_xy || This->flip_x)
{
/* This requires knowledge of the pixel format. */
FIXME("flipping x and rotating are not implemented\n");
return E_NOTIMPL;
}
hr = IWICBitmapSource_GetSize(This->source, &srcwidth, &srcheight);
if (FAILED(hr)) return hr;
if (!prc)
{
UINT width, height;
hr = IWICBitmapSource_GetSize(iface, &width, &height);
if (FAILED(hr)) return hr;
rect.X = 0;
rect.Y = 0;
rect.Width = width;
rect.Height = height;
prc = ▭
}
for (y=prc->Y; y - prc->Y < prc->Height; y++)
{
if (This->flip_y)
srcy = srcheight - 1 - y;
else
srcy = y;
rc.X = prc->X;
rc.Y = srcy;
rc.Width = prc->Width;
rc.Height = 1;
hr = IWICBitmapSource_CopyPixels(This->source, &rc, cbStride, cbStride,
pbBuffer);
if (FAILED(hr)) break;
pbBuffer += cbStride;
}
return hr;
}
static ULONG WINAPI FlipRotator_AddRef(IWICBitmapFlipRotator *iface)
{
FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
return ref;
}
static HRESULT WINAPI FlipRotator_GetPixelFormat(IWICBitmapFlipRotator *iface,
WICPixelFormatGUID *pPixelFormat)
{
FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
TRACE("(%p,%p)\n", iface, pPixelFormat);
if (!This->source)
return WINCODEC_ERR_WRONGSTATE;
else
return IWICBitmapSource_GetPixelFormat(This->source, pPixelFormat);
}
static HRESULT WINAPI FlipRotator_CopyPalette(IWICBitmapFlipRotator *iface,
IWICPalette *pIPalette)
{
FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
TRACE("(%p,%p)\n", iface, pIPalette);
if (!This->source)
return WINCODEC_ERR_WRONGSTATE;
else
return IWICBitmapSource_CopyPalette(This->source, pIPalette);
}
static HRESULT WINAPI FlipRotator_GetSize(IWICBitmapFlipRotator *iface,
UINT *puiWidth, UINT *puiHeight)
{
FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
TRACE("(%p,%p,%p)\n", iface, puiWidth, puiHeight);
if (!This->source)
return WINCODEC_ERR_WRONGSTATE;
else if (This->swap_xy)
return IWICBitmapSource_GetSize(This->source, puiHeight, puiWidth);
else
return IWICBitmapSource_GetSize(This->source, puiWidth, puiHeight);
}
static HRESULT WINAPI FlipRotator_GetResolution(IWICBitmapFlipRotator *iface,
double *pDpiX, double *pDpiY)
{
FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
TRACE("(%p,%p,%p)\n", iface, pDpiX, pDpiY);
if (!This->source)
return WINCODEC_ERR_WRONGSTATE;
else if (This->swap_xy)
return IWICBitmapSource_GetResolution(This->source, pDpiY, pDpiX);
else
return IWICBitmapSource_GetResolution(This->source, pDpiX, pDpiY);
}
static ULONG WINAPI FlipRotator_Release(IWICBitmapFlipRotator *iface)
{
FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
if (ref == 0)
{
This->lock.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&This->lock);
if (This->source) IWICBitmapSource_Release(This->source);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
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;
}
static HRESULT WINAPI FlipRotator_QueryInterface(IWICBitmapFlipRotator *iface, REFIID iid,
void **ppv)
{
FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
if (IsEqualIID(&IID_IUnknown, iid) ||
IsEqualIID(&IID_IWICBitmapSource, iid) ||
IsEqualIID(&IID_IWICBitmapFlipRotator, iid))
{
*ppv = This;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}