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windowscodecs: Implement BitmapImpl_SetPalette and CopyPalette.

This commit is contained in:
Vincent Povirk 2012-08-14 14:01:11 -05:00 committed by Alexandre Julliard
parent f9b67b6c18
commit 3e36f1e4b5
2 changed files with 39 additions and 8 deletions
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39
dlls/windowscodecs/bitmap.c
View File

@ -36,6 +36,8 @@ WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
typedef struct BitmapImpl {
IWICBitmap IWICBitmap_iface;
LONG ref;
IWICPalette *palette;
int palette_set;
} BitmapImpl;
static inline BitmapImpl *impl_from_IWICBitmap(IWICBitmap *iface)
@ -86,6 +88,7 @@ static ULONG WINAPI BitmapImpl_Release(IWICBitmap *iface)
if (ref == 0)
{
if (This->palette) IWICPalette_Release(This->palette);
HeapFree(GetProcessHeap(), 0, This);
}
@ -119,9 +122,13 @@ static HRESULT WINAPI BitmapImpl_GetResolution(IWICBitmap *iface,
static HRESULT WINAPI BitmapImpl_CopyPalette(IWICBitmap *iface,
IWICPalette *pIPalette)
{
FIXME("(%p,%p)\n", iface, pIPalette);
BitmapImpl *This = impl_from_IWICBitmap(iface);
TRACE("(%p,%p)\n", iface, pIPalette);
return E_NOTIMPL;
if (!This->palette_set)
return WINCODEC_ERR_PALETTEUNAVAILABLE;
return IWICPalette_InitializeFromPalette(pIPalette, This->palette);
}
static HRESULT WINAPI BitmapImpl_CopyPixels(IWICBitmap *iface,
@ -142,9 +149,31 @@ static HRESULT WINAPI BitmapImpl_Lock(IWICBitmap *iface, const WICRect *prcLock,
static HRESULT WINAPI BitmapImpl_SetPalette(IWICBitmap *iface, IWICPalette *pIPalette)
{
FIXME("(%p,%p)\n", iface, pIPalette);
BitmapImpl *This = impl_from_IWICBitmap(iface);
HRESULT hr;
return E_NOTIMPL;
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_SetResolution(IWICBitmap *iface,
@ -180,6 +209,8 @@ HRESULT BitmapImpl_Create(UINT uiWidth, UINT uiHeight,
This->IWICBitmap_iface.lpVtbl = &BitmapImpl_Vtbl;
This->ref = 1;
This->palette = NULL;
This->palette_set = 0;
*ppIBitmap = &This->IWICBitmap_iface;

8
dlls/windowscodecs/tests/bitmap.c
View File

@ -62,23 +62,23 @@ static void test_createbitmap(void)
/* Palette is unavailable until explicitly set */
hr = IWICBitmap_CopyPalette(bitmap, palette);
todo_wine ok(hr == WINCODEC_ERR_PALETTEUNAVAILABLE, "IWICBitmap_CopyPalette failed hr=%x\n", hr);
ok(hr == WINCODEC_ERR_PALETTEUNAVAILABLE, "IWICBitmap_CopyPalette failed hr=%x\n", hr);
hr = IWICPalette_InitializePredefined(palette, WICBitmapPaletteTypeFixedGray256, FALSE);
ok(hr == S_OK, "IWICPalette_InitializePredefined failed hr=%x\n", hr);
hr = IWICBitmap_SetPalette(bitmap, palette);
todo_wine ok(hr == S_OK, "IWICBitmap_SetPalette failed hr=%x\n", hr);
ok(hr == S_OK, "IWICBitmap_SetPalette failed hr=%x\n", hr);
hr = IWICPalette_InitializePredefined(palette, WICBitmapPaletteTypeFixedGray4, FALSE);
ok(hr == S_OK, "IWICPalette_InitializePredefined failed hr=%x\n", hr);
hr = IWICBitmap_CopyPalette(bitmap, palette);
todo_wine ok(hr == S_OK, "IWICBitmap_CopyPalette failed hr=%x\n", hr);
ok(hr == S_OK, "IWICBitmap_CopyPalette failed hr=%x\n", hr);
hr = IWICPalette_GetType(palette, &palettetype);
ok(hr == S_OK, "IWICPalette_GetType failed hr=%x\n", hr);
todo_wine ok(palettetype == WICBitmapPaletteTypeFixedGray256,
ok(palettetype == WICBitmapPaletteTypeFixedGray256,
"expected WICBitmapPaletteTypeFixedGray256, got %x\n", palettetype);
IWICPalette_Release(palette);