static HRESULT WINAPI BitmapImpl_SetPalette(IWICBitmap *iface, IWICPalette *pIPalette)
{
BitmapImpl *This = impl_from_IWICBitmap(iface);
HRESULT hr;
TRACE("(%p,%p)\n", iface, pIPalette);
if (!This->palette)
{
IWICPalette *new_palette;
hr = PaletteImpl_Create(&new_palette);
if (FAILED(hr)) return hr;
if (InterlockedCompareExchangePointer((void**)&This->palette, new_palette, NULL))
{
/* someone beat us to it */
IWICPalette_Release(new_palette);
}
}
hr = IWICPalette_InitializeFromPalette(This->palette, pIPalette);
if (SUCCEEDED(hr))
This->palette_set = 1;
return S_OK;
}
static HRESULT WINAPI BitmapImpl_QueryInterface(IWICBitmap *iface, REFIID iid,
void **ppv)
{
BitmapImpl *This = impl_from_IWICBitmap(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_IWICBitmap, iid))
{
*ppv = &This->IWICBitmap_iface;
}
else if (IsEqualIID(&IID_IMILBitmapSource, iid))
{
*ppv = &This->IMILBitmapSource_iface;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static HRESULT WINAPI BitmapImpl_CopyPixels(IWICBitmap *iface,
const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
{
BitmapImpl *This = impl_from_IWICBitmap(iface);
TRACE("(%p,%p,%u,%u,%p)\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
return copy_pixels(This->bpp, This->data, This->width, This->height,
This->stride, prc, cbStride, cbBufferSize, pbBuffer);
}
static ULONG WINAPI BitmapImpl_AddRef(IWICBitmap *iface)
{
BitmapImpl *This = impl_from_IWICBitmap(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
return ref;
}
static HRESULT WINAPI BitmapImpl_CopyPalette(IWICBitmap *iface,
IWICPalette *pIPalette)
{
BitmapImpl *This = impl_from_IWICBitmap(iface);
TRACE("(%p,%p)\n", iface, pIPalette);
if (!This->palette_set)
return WINCODEC_ERR_PALETTEUNAVAILABLE;
return IWICPalette_InitializeFromPalette(pIPalette, This->palette);
}
static HRESULT WINAPI BitmapImpl_Lock(IWICBitmap *iface, const WICRect *prcLock,
DWORD flags, IWICBitmapLock **ppILock)
{
BitmapImpl *This = impl_from_IWICBitmap(iface);
BitmapLockImpl *result;
WICRect rc;
TRACE("(%p,%p,%x,%p)\n", iface, prcLock, flags, ppILock);
if (!(flags & (WICBitmapLockRead|WICBitmapLockWrite)) || !ppILock)
return E_INVALIDARG;
if (!prcLock)
{
rc.X = rc.Y = 0;
rc.Width = This->width;
rc.Height = This->height;
prcLock = &rc;
}
else if (prcLock->X >= This->width || prcLock->Y >= This->height ||
prcLock->X + prcLock->Width > This->width ||
prcLock->Y + prcLock->Height > This->height ||
prcLock->Width <= 0 || prcLock->Height <= 0)
return E_INVALIDARG;
else if (((prcLock->X * This->bpp) % 8) != 0)
{
FIXME("Cannot lock at an X coordinate not at a full byte\n");
return E_FAIL;
}
result = HeapAlloc(GetProcessHeap(), 0, sizeof(BitmapLockImpl));
if (!result)
return E_OUTOFMEMORY;
if (!BitmapImpl_AcquireLock(This, flags & WICBitmapLockWrite))
{
HeapFree(GetProcessHeap(), 0, result);
return WINCODEC_ERR_ALREADYLOCKED;
}
result->IWICBitmapLock_iface.lpVtbl = &BitmapLockImpl_Vtbl;
result->ref = 1;
result->parent = This;
result->width = prcLock->Width;
result->height = prcLock->Height;
result->data = This->data + This->stride * prcLock->Y +
(This->bpp * prcLock->X)/8;
IWICBitmap_AddRef(&This->IWICBitmap_iface);
*ppILock = &result->IWICBitmapLock_iface;
return S_OK;
}
static HRESULT WINAPI BitmapImpl_SetResolution(IWICBitmap *iface,
double dpiX, double dpiY)
{
BitmapImpl *This = impl_from_IWICBitmap(iface);
TRACE("(%p,%f,%f)\n", iface, dpiX, dpiY);
EnterCriticalSection(&This->cs);
This->dpix = dpiX;
This->dpiy = dpiY;
LeaveCriticalSection(&This->cs);
return S_OK;
}
static HRESULT WINAPI BitmapImpl_GetPixelFormat(IWICBitmap *iface,
WICPixelFormatGUID *pPixelFormat)
{
BitmapImpl *This = impl_from_IWICBitmap(iface);
TRACE("(%p,%p)\n", iface, pPixelFormat);
if (!pPixelFormat)
return E_INVALIDARG;
memcpy(pPixelFormat, &This->pixelformat, sizeof(GUID));
return S_OK;
}
static HRESULT WINAPI BitmapImpl_GetSize(IWICBitmap *iface,
UINT *puiWidth, UINT *puiHeight)
{
BitmapImpl *This = impl_from_IWICBitmap(iface);
TRACE("(%p,%p,%p)\n", iface, puiWidth, puiHeight);
if (!puiWidth || !puiHeight)
return E_INVALIDARG;
*puiWidth = This->width;
*puiHeight = This->height;
return S_OK;
}
static HRESULT WINAPI BitmapImpl_GetResolution(IWICBitmap *iface,
double *pDpiX, double *pDpiY)
{
BitmapImpl *This = impl_from_IWICBitmap(iface);
TRACE("(%p,%p,%p)\n", iface, pDpiX, pDpiY);
if (!pDpiX || !pDpiY)
return E_INVALIDARG;
EnterCriticalSection(&This->cs);
*pDpiX = This->dpix;
*pDpiY = This->dpiy;
LeaveCriticalSection(&This->cs);
return S_OK;
}
static ULONG WINAPI BitmapImpl_Release(IWICBitmap *iface)
{
BitmapImpl *This = impl_from_IWICBitmap(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
if (ref == 0)
{
if (This->palette) IWICPalette_Release(This->palette);
This->cs.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&This->cs);
HeapFree(GetProcessHeap(), 0, This->data);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
