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windowscodecs: Use ifaces instead of vtbl pointers in PngEncoder.

This commit is contained in:
Michael Stefaniuc 2010-12-16 01:04:24 +01:00 committed by Alexandre Julliard
parent 1b11ffaa6b
commit 53af9f2b1e
1 changed files with 29 additions and 24 deletions
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53
dlls/windowscodecs/pngformat.c
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@ -803,8 +803,8 @@ static const struct png_pixelformat formats[] = {
};
typedef struct PngEncoder {
const IWICBitmapEncoderVtbl *lpVtbl;
const IWICBitmapFrameEncodeVtbl *lpFrameVtbl;
IWICBitmapEncoder IWICBitmapEncoder_iface;
IWICBitmapFrameEncode IWICBitmapFrameEncode_iface;
LONG ref;
IStream *stream;
png_structp png_ptr;
@ -821,15 +821,20 @@ typedef struct PngEncoder {
CRITICAL_SECTION lock;
} PngEncoder;
static inline PngEncoder *encoder_from_frame(IWICBitmapFrameEncode *iface)
static inline PngEncoder *impl_from_IWICBitmapEncoder(IWICBitmapEncoder *iface)
{
return CONTAINING_RECORD(iface, PngEncoder, lpFrameVtbl);
return CONTAINING_RECORD(iface, PngEncoder, IWICBitmapEncoder_iface);
}
static inline PngEncoder *impl_from_IWICBitmapFrameEncode(IWICBitmapFrameEncode *iface)
{
return CONTAINING_RECORD(iface, PngEncoder, IWICBitmapFrameEncode_iface);
}
static HRESULT WINAPI PngFrameEncode_QueryInterface(IWICBitmapFrameEncode *iface, REFIID iid,
void **ppv)
{
PngEncoder *This = encoder_from_frame(iface);
PngEncoder *This = impl_from_IWICBitmapFrameEncode(iface);
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
@ -837,7 +842,7 @@ static HRESULT WINAPI PngFrameEncode_QueryInterface(IWICBitmapFrameEncode *iface
if (IsEqualIID(&IID_IUnknown, iid) ||
IsEqualIID(&IID_IWICBitmapFrameEncode, iid))
{
*ppv = &This->lpFrameVtbl;
*ppv = &This->IWICBitmapFrameEncode_iface;
}
else
{
@ -851,20 +856,20 @@ static HRESULT WINAPI PngFrameEncode_QueryInterface(IWICBitmapFrameEncode *iface
static ULONG WINAPI PngFrameEncode_AddRef(IWICBitmapFrameEncode *iface)
{
PngEncoder *This = encoder_from_frame(iface);
PngEncoder *This = impl_from_IWICBitmapFrameEncode(iface);
return IUnknown_AddRef((IUnknown*)This);
}
static ULONG WINAPI PngFrameEncode_Release(IWICBitmapFrameEncode *iface)
{
PngEncoder *This = encoder_from_frame(iface);
PngEncoder *This = impl_from_IWICBitmapFrameEncode(iface);
return IUnknown_Release((IUnknown*)This);
}
static HRESULT WINAPI PngFrameEncode_Initialize(IWICBitmapFrameEncode *iface,
IPropertyBag2 *pIEncoderOptions)
{
PngEncoder *This = encoder_from_frame(iface);
PngEncoder *This = impl_from_IWICBitmapFrameEncode(iface);
TRACE("(%p,%p)\n", iface, pIEncoderOptions);
EnterCriticalSection(&This->lock);
@ -885,7 +890,7 @@ static HRESULT WINAPI PngFrameEncode_Initialize(IWICBitmapFrameEncode *iface,
static HRESULT WINAPI PngFrameEncode_SetSize(IWICBitmapFrameEncode *iface,
UINT uiWidth, UINT uiHeight)
{
PngEncoder *This = encoder_from_frame(iface);
PngEncoder *This = impl_from_IWICBitmapFrameEncode(iface);
TRACE("(%p,%u,%u)\n", iface, uiWidth, uiHeight);
EnterCriticalSection(&This->lock);
@ -907,7 +912,7 @@ static HRESULT WINAPI PngFrameEncode_SetSize(IWICBitmapFrameEncode *iface,
static HRESULT WINAPI PngFrameEncode_SetResolution(IWICBitmapFrameEncode *iface,
double dpiX, double dpiY)
{
PngEncoder *This = encoder_from_frame(iface);
PngEncoder *This = impl_from_IWICBitmapFrameEncode(iface);
TRACE("(%p,%0.2f,%0.2f)\n", iface, dpiX, dpiY);
EnterCriticalSection(&This->lock);
@ -929,7 +934,7 @@ static HRESULT WINAPI PngFrameEncode_SetResolution(IWICBitmapFrameEncode *iface,
static HRESULT WINAPI PngFrameEncode_SetPixelFormat(IWICBitmapFrameEncode *iface,
WICPixelFormatGUID *pPixelFormat)
{
PngEncoder *This = encoder_from_frame(iface);
PngEncoder *This = impl_from_IWICBitmapFrameEncode(iface);
int i;
TRACE("(%p,%s)\n", iface, debugstr_guid(pPixelFormat));
@ -981,7 +986,7 @@ static HRESULT WINAPI PngFrameEncode_SetThumbnail(IWICBitmapFrameEncode *iface,
static HRESULT WINAPI PngFrameEncode_WritePixels(IWICBitmapFrameEncode *iface,
UINT lineCount, UINT cbStride, UINT cbBufferSize, BYTE *pbPixels)
{
PngEncoder *This = encoder_from_frame(iface);
PngEncoder *This = impl_from_IWICBitmapFrameEncode(iface);
png_byte **row_pointers=NULL;
UINT i;
jmp_buf jmpbuf;
@ -1056,7 +1061,7 @@ static HRESULT WINAPI PngFrameEncode_WritePixels(IWICBitmapFrameEncode *iface,
static HRESULT WINAPI PngFrameEncode_WriteSource(IWICBitmapFrameEncode *iface,
IWICBitmapSource *pIBitmapSource, WICRect *prc)
{
PngEncoder *This = encoder_from_frame(iface);
PngEncoder *This = impl_from_IWICBitmapFrameEncode(iface);
HRESULT hr;
WICRect rc;
WICPixelFormatGUID guid;
@ -1128,7 +1133,7 @@ static HRESULT WINAPI PngFrameEncode_WriteSource(IWICBitmapFrameEncode *iface,
static HRESULT WINAPI PngFrameEncode_Commit(IWICBitmapFrameEncode *iface)
{
PngEncoder *This = encoder_from_frame(iface);
PngEncoder *This = impl_from_IWICBitmapFrameEncode(iface);
jmp_buf jmpbuf;
TRACE("(%p)\n", iface);
@ -1184,7 +1189,7 @@ static const IWICBitmapFrameEncodeVtbl PngEncoder_FrameVtbl = {
static HRESULT WINAPI PngEncoder_QueryInterface(IWICBitmapEncoder *iface, REFIID iid,
void **ppv)
{
PngEncoder *This = (PngEncoder*)iface;
PngEncoder *This = impl_from_IWICBitmapEncoder(iface);
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
@ -1206,7 +1211,7 @@ static HRESULT WINAPI PngEncoder_QueryInterface(IWICBitmapEncoder *iface, REFIID
static ULONG WINAPI PngEncoder_AddRef(IWICBitmapEncoder *iface)
{
PngEncoder *This = (PngEncoder*)iface;
PngEncoder *This = impl_from_IWICBitmapEncoder(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
@ -1216,7 +1221,7 @@ static ULONG WINAPI PngEncoder_AddRef(IWICBitmapEncoder *iface)
static ULONG WINAPI PngEncoder_Release(IWICBitmapEncoder *iface)
{
PngEncoder *This = (PngEncoder*)iface;
PngEncoder *This = impl_from_IWICBitmapEncoder(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
@ -1255,7 +1260,7 @@ static void user_flush(png_structp png_ptr)
static HRESULT WINAPI PngEncoder_Initialize(IWICBitmapEncoder *iface,
IStream *pIStream, WICBitmapEncoderCacheOption cacheOption)
{
PngEncoder *This = (PngEncoder*)iface;
PngEncoder *This = impl_from_IWICBitmapEncoder(iface);
jmp_buf jmpbuf;
TRACE("(%p,%p,%u)\n", iface, pIStream, cacheOption);
@ -1350,7 +1355,7 @@ static HRESULT WINAPI PngEncoder_SetPreview(IWICBitmapEncoder *iface, IWICBitmap
static HRESULT WINAPI PngEncoder_CreateNewFrame(IWICBitmapEncoder *iface,
IWICBitmapFrameEncode **ppIFrameEncode, IPropertyBag2 **ppIEncoderOptions)
{
PngEncoder *This = (PngEncoder*)iface;
PngEncoder *This = impl_from_IWICBitmapEncoder(iface);
HRESULT hr;
TRACE("(%p,%p,%p)\n", iface, ppIFrameEncode, ppIEncoderOptions);
@ -1380,14 +1385,14 @@ static HRESULT WINAPI PngEncoder_CreateNewFrame(IWICBitmapEncoder *iface,
LeaveCriticalSection(&This->lock);
IWICBitmapEncoder_AddRef(iface);
*ppIFrameEncode = (IWICBitmapFrameEncode*)&This->lpFrameVtbl;
*ppIFrameEncode = &This->IWICBitmapFrameEncode_iface;
return S_OK;
}
static HRESULT WINAPI PngEncoder_Commit(IWICBitmapEncoder *iface)
{
PngEncoder *This = (PngEncoder*)iface;
PngEncoder *This = impl_from_IWICBitmapEncoder(iface);
TRACE("(%p)\n", iface);
EnterCriticalSection(&This->lock);
@ -1448,8 +1453,8 @@ HRESULT PngEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
This = HeapAlloc(GetProcessHeap(), 0, sizeof(PngEncoder));
if (!This) return E_OUTOFMEMORY;
This->lpVtbl = &PngEncoder_Vtbl;
This->lpFrameVtbl = &PngEncoder_FrameVtbl;
This->IWICBitmapEncoder_iface.lpVtbl = &PngEncoder_Vtbl;
This->IWICBitmapFrameEncode_iface.lpVtbl = &PngEncoder_FrameVtbl;
This->ref = 1;
This->png_ptr = NULL;
This->info_ptr = NULL;