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windowscodecs: Use ifaces instead of vtbl pointers in BmpDecoder.

This commit is contained in:
Michael Stefaniuc 2011-01-12 00:49:53 +01:00 committed by Alexandre Julliard
parent 1515b36aaa
commit 2785e905bc
1 changed files with 32 additions and 27 deletions
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59
dlls/windowscodecs/bmpdecode.c
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@ -62,8 +62,8 @@ typedef struct {
typedef HRESULT (*ReadDataFunc)(BmpDecoder* This);
struct BmpDecoder {
const IWICBitmapDecoderVtbl *lpVtbl;
const IWICBitmapFrameDecodeVtbl *lpFrameVtbl;
IWICBitmapDecoder IWICBitmapDecoder_iface;
IWICBitmapFrameDecode IWICBitmapFrameDecode_iface;
LONG ref;
BOOL initialized;
IStream *stream;
@ -81,9 +81,14 @@ struct BmpDecoder {
int icoframe; /* If TRUE, this is a frame of a .ico file. */
};
static inline BmpDecoder *impl_from_frame(IWICBitmapFrameDecode *iface)
static inline BmpDecoder *impl_from_IWICBitmapDecoder(IWICBitmapDecoder *iface)
{
return CONTAINING_RECORD(iface, BmpDecoder, lpFrameVtbl);
return CONTAINING_RECORD(iface, BmpDecoder, IWICBitmapDecoder_iface);
}
static inline BmpDecoder *impl_from_IWICBitmapFrameDecode(IWICBitmapFrameDecode *iface)
{
return CONTAINING_RECORD(iface, BmpDecoder, IWICBitmapFrameDecode_iface);
}
static HRESULT WINAPI BmpFrameDecode_QueryInterface(IWICBitmapFrameDecode *iface, REFIID iid,
@ -111,22 +116,22 @@ static HRESULT WINAPI BmpFrameDecode_QueryInterface(IWICBitmapFrameDecode *iface
static ULONG WINAPI BmpFrameDecode_AddRef(IWICBitmapFrameDecode *iface)
{
BmpDecoder *This = impl_from_frame(iface);
BmpDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
return IUnknown_AddRef((IUnknown*)This);
return IWICBitmapDecoder_AddRef(&This->IWICBitmapDecoder_iface);
}
static ULONG WINAPI BmpFrameDecode_Release(IWICBitmapFrameDecode *iface)
{
BmpDecoder *This = impl_from_frame(iface);
BmpDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
return IUnknown_Release((IUnknown*)This);
return IWICBitmapDecoder_Release(&This->IWICBitmapDecoder_iface);
}
static HRESULT WINAPI BmpFrameDecode_GetSize(IWICBitmapFrameDecode *iface,
UINT *puiWidth, UINT *puiHeight)
{
BmpDecoder *This = impl_from_frame(iface);
BmpDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
TRACE("(%p,%p,%p)\n", iface, puiWidth, puiHeight);
if (This->bih.bV5Size == sizeof(BITMAPCOREHEADER))
@ -146,7 +151,7 @@ static HRESULT WINAPI BmpFrameDecode_GetSize(IWICBitmapFrameDecode *iface,
static HRESULT WINAPI BmpFrameDecode_GetPixelFormat(IWICBitmapFrameDecode *iface,
WICPixelFormatGUID *pPixelFormat)
{
BmpDecoder *This = impl_from_frame(iface);
BmpDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
TRACE("(%p,%p)\n", iface, pPixelFormat);
memcpy(pPixelFormat, This->pixelformat, sizeof(GUID));
@ -177,7 +182,7 @@ static HRESULT BmpHeader_GetResolution(BITMAPV5HEADER *bih, double *pDpiX, doubl
static HRESULT WINAPI BmpFrameDecode_GetResolution(IWICBitmapFrameDecode *iface,
double *pDpiX, double *pDpiY)
{
BmpDecoder *This = impl_from_frame(iface);
BmpDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
TRACE("(%p,%p,%p)\n", iface, pDpiX, pDpiY);
return BmpHeader_GetResolution(&This->bih, pDpiX, pDpiY);
@ -187,7 +192,7 @@ static HRESULT WINAPI BmpFrameDecode_CopyPalette(IWICBitmapFrameDecode *iface,
IWICPalette *pIPalette)
{
HRESULT hr;
BmpDecoder *This = impl_from_frame(iface);
BmpDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
int count;
WICColor *wiccolors=NULL;
RGBTRIPLE *bgrcolors=NULL;
@ -299,7 +304,7 @@ end:
static HRESULT WINAPI BmpFrameDecode_CopyPixels(IWICBitmapFrameDecode *iface,
const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
{
BmpDecoder *This = impl_from_frame(iface);
BmpDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
HRESULT hr=S_OK;
UINT width, height;
TRACE("(%p,%p,%u,%u,%p)\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
@ -403,7 +408,7 @@ static HRESULT BmpFrameDecode_ReadRGB8(BmpDecoder* This)
HRESULT hr;
UINT width, height;
hr = IWICBitmapFrameDecode_GetSize((IWICBitmapFrameDecode*)&This->lpFrameVtbl, &width, &height);
hr = IWICBitmapFrameDecode_GetSize(&This->IWICBitmapFrameDecode_iface, &width, &height);
if (SUCCEEDED(hr))
{
@ -954,7 +959,7 @@ static HRESULT BmpDecoder_ReadHeaders(BmpDecoder* This, IStream *stream)
static HRESULT WINAPI BmpDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID iid,
void **ppv)
{
BmpDecoder *This = (BmpDecoder*)iface;
BmpDecoder *This = impl_from_IWICBitmapDecoder(iface);
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
@ -975,7 +980,7 @@ static HRESULT WINAPI BmpDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID
static ULONG WINAPI BmpDecoder_AddRef(IWICBitmapDecoder *iface)
{
BmpDecoder *This = (BmpDecoder*)iface;
BmpDecoder *This = impl_from_IWICBitmapDecoder(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
@ -985,7 +990,7 @@ static ULONG WINAPI BmpDecoder_AddRef(IWICBitmapDecoder *iface)
static ULONG WINAPI BmpDecoder_Release(IWICBitmapDecoder *iface)
{
BmpDecoder *This = (BmpDecoder*)iface;
BmpDecoder *This = impl_from_IWICBitmapDecoder(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
@ -1006,7 +1011,7 @@ static HRESULT WINAPI BmpDecoder_QueryCapability(IWICBitmapDecoder *iface, IStre
DWORD *pdwCapability)
{
HRESULT hr;
BmpDecoder *This = (BmpDecoder*)iface;
BmpDecoder *This = impl_from_IWICBitmapDecoder(iface);
EnterCriticalSection(&This->lock);
hr = BmpDecoder_ReadHeaders(This, pIStream);
@ -1025,7 +1030,7 @@ static HRESULT WINAPI BmpDecoder_Initialize(IWICBitmapDecoder *iface, IStream *p
WICDecodeOptions cacheOptions)
{
HRESULT hr;
BmpDecoder *This = (BmpDecoder*)iface;
BmpDecoder *This = impl_from_IWICBitmapDecoder(iface);
EnterCriticalSection(&This->lock);
hr = BmpDecoder_ReadHeaders(This, pIStream);
@ -1112,13 +1117,13 @@ static HRESULT WINAPI BmpDecoder_GetFrameCount(IWICBitmapDecoder *iface,
static HRESULT WINAPI BmpDecoder_GetFrame(IWICBitmapDecoder *iface,
UINT index, IWICBitmapFrameDecode **ppIBitmapFrame)
{
BmpDecoder *This = (BmpDecoder*)iface;
BmpDecoder *This = impl_from_IWICBitmapDecoder(iface);
if (index != 0) return E_INVALIDARG;
if (!This->stream) return WINCODEC_ERR_WRONGSTATE;
*ppIBitmapFrame = (IWICBitmapFrameDecode*)&This->lpFrameVtbl;
*ppIBitmapFrame = &This->IWICBitmapFrameDecode_iface;
IWICBitmapDecoder_AddRef(iface);
return S_OK;
@ -1148,8 +1153,8 @@ static HRESULT BmpDecoder_Create(int packed, int icoframe, BmpDecoder **ppDecode
This = HeapAlloc(GetProcessHeap(), 0, sizeof(BmpDecoder));
if (!This) return E_OUTOFMEMORY;
This->lpVtbl = &BmpDecoder_Vtbl;
This->lpFrameVtbl = &BmpDecoder_FrameVtbl;
This->IWICBitmapDecoder_iface.lpVtbl = &BmpDecoder_Vtbl;
This->IWICBitmapFrameDecode_iface.lpVtbl = &BmpDecoder_FrameVtbl;
This->ref = 1;
This->initialized = FALSE;
This->stream = NULL;
@ -1178,8 +1183,8 @@ static HRESULT BmpDecoder_Construct(int packed, int icoframe, IUnknown *pUnkOute
ret = BmpDecoder_Create(packed, icoframe, &This);
if (FAILED(ret)) return ret;
ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
IUnknown_Release((IUnknown*)This);
ret = IWICBitmapDecoder_QueryInterface(&This->IWICBitmapDecoder_iface, iid, ppv);
IWICBitmapDecoder_Release(&This->IWICBitmapDecoder_iface);
return ret;
}
@ -1201,7 +1206,7 @@ HRESULT IcoDibDecoder_CreateInstance(BmpDecoder **ppDecoder)
void BmpDecoder_GetWICDecoder(BmpDecoder *This, IWICBitmapDecoder **ppDecoder)
{
*ppDecoder = (IWICBitmapDecoder*)This;
*ppDecoder = &This->IWICBitmapDecoder_iface;
}
/* Return the offset where the mask of an icon might be, or 0 for failure. */
@ -1213,7 +1218,7 @@ void BmpDecoder_FindIconMask(BmpDecoder *This, ULONG *mask_offset, int *topdown)
{
/* RGB or BITFIELDS data */
ULONG width, height, bytesperrow, datasize;
IWICBitmapFrameDecode_GetSize((IWICBitmapFrameDecode*)&This->lpFrameVtbl, &width, &height);
IWICBitmapFrameDecode_GetSize(&This->IWICBitmapFrameDecode_iface, &width, &height);
bytesperrow = (((width * This->bitsperpixel)+31)/32)*4;
datasize = bytesperrow * height;
*mask_offset = This->image_offset + datasize;