Sweden-Number/dlls/windowscodecs/icnsformat.c

810 lines
22 KiB
C

/*
* Copyright 2010 Damjan Jovanovic
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#ifdef HAVE_ICNS_H
#include <icns.h>
#endif
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "wincodec.h"
#include "wincodecs_private.h"
#include "wine/debug.h"
#include "wine/library.h"
WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
#ifdef SONAME_LIBICNS
static void *libicns_handle;
#define MAKE_FUNCPTR(f) static typeof(f) * p##f
MAKE_FUNCPTR(icns_create_family);
MAKE_FUNCPTR(icns_export_family_data);
MAKE_FUNCPTR(icns_free_image);
MAKE_FUNCPTR(icns_get_mask_type_for_icon_type);
MAKE_FUNCPTR(icns_get_type_from_image_info);
MAKE_FUNCPTR(icns_init_image_for_type);
MAKE_FUNCPTR(icns_new_element_from_image);
MAKE_FUNCPTR(icns_set_element_in_family);
#undef MAKE_FUNCPTR
static void *load_libicns(void)
{
if((libicns_handle = wine_dlopen(SONAME_LIBICNS, RTLD_NOW, NULL, 0)) != NULL) {
#define LOAD_FUNCPTR(f) \
if((p##f = wine_dlsym(libicns_handle, #f, NULL, 0)) == NULL) { \
libicns_handle = NULL; \
return NULL; \
}
LOAD_FUNCPTR(icns_create_family);
LOAD_FUNCPTR(icns_export_family_data);
LOAD_FUNCPTR(icns_free_image);
LOAD_FUNCPTR(icns_get_mask_type_for_icon_type);
LOAD_FUNCPTR(icns_get_type_from_image_info);
LOAD_FUNCPTR(icns_init_image_for_type);
LOAD_FUNCPTR(icns_new_element_from_image);
LOAD_FUNCPTR(icns_set_element_in_family);
#undef LOAD_FUNCPTR
}
return libicns_handle;
}
typedef struct IcnsEncoder {
IWICBitmapEncoder IWICBitmapEncoder_iface;
LONG ref;
IStream *stream;
icns_family_t *icns_family;
BOOL any_frame_committed;
int outstanding_commits;
BOOL committed;
CRITICAL_SECTION lock;
} IcnsEncoder;
static inline IcnsEncoder *impl_from_IWICBitmapEncoder(IWICBitmapEncoder *iface)
{
return CONTAINING_RECORD(iface, IcnsEncoder, IWICBitmapEncoder_iface);
}
typedef struct IcnsFrameEncode {
IWICBitmapFrameEncode IWICBitmapFrameEncode_iface;
IcnsEncoder *encoder;
LONG ref;
BOOL initialized;
UINT width;
UINT height;
icns_type_t icns_type;
icns_image_t icns_image;
int lines_written;
BOOL committed;
} IcnsFrameEncode;
static inline IcnsFrameEncode *impl_from_IWICBitmapFrameEncode(IWICBitmapFrameEncode *iface)
{
return CONTAINING_RECORD(iface, IcnsFrameEncode, IWICBitmapFrameEncode_iface);
}
static HRESULT WINAPI IcnsFrameEncode_QueryInterface(IWICBitmapFrameEncode *iface, REFIID iid,
void **ppv)
{
IcnsFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
if (IsEqualIID(&IID_IUnknown, iid) ||
IsEqualIID(&IID_IWICBitmapFrameEncode, iid))
{
*ppv = &This->IWICBitmapFrameEncode_iface;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI IcnsFrameEncode_AddRef(IWICBitmapFrameEncode *iface)
{
IcnsFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
return ref;
}
static ULONG WINAPI IcnsFrameEncode_Release(IWICBitmapFrameEncode *iface)
{
IcnsFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
if (ref == 0)
{
if (!This->committed)
{
EnterCriticalSection(&This->encoder->lock);
This->encoder->outstanding_commits--;
LeaveCriticalSection(&This->encoder->lock);
}
if (This->icns_image.imageData != NULL)
picns_free_image(&This->icns_image);
IUnknown_Release((IUnknown*)This->encoder);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT WINAPI IcnsFrameEncode_Initialize(IWICBitmapFrameEncode *iface,
IPropertyBag2 *pIEncoderOptions)
{
IcnsFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
HRESULT hr = S_OK;
TRACE("(%p,%p)\n", iface, pIEncoderOptions);
EnterCriticalSection(&This->encoder->lock);
if (This->initialized)
{
hr = WINCODEC_ERR_WRONGSTATE;
goto end;
}
This->initialized = TRUE;
end:
LeaveCriticalSection(&This->encoder->lock);
return hr;
}
static HRESULT WINAPI IcnsFrameEncode_SetSize(IWICBitmapFrameEncode *iface,
UINT uiWidth, UINT uiHeight)
{
IcnsFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
HRESULT hr = S_OK;
TRACE("(%p,%u,%u)\n", iface, uiWidth, uiHeight);
EnterCriticalSection(&This->encoder->lock);
if (!This->initialized || This->icns_image.imageData)
{
hr = WINCODEC_ERR_WRONGSTATE;
goto end;
}
This->width = uiWidth;
This->height = uiHeight;
end:
LeaveCriticalSection(&This->encoder->lock);
return hr;
}
static HRESULT WINAPI IcnsFrameEncode_SetResolution(IWICBitmapFrameEncode *iface,
double dpiX, double dpiY)
{
IcnsFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
HRESULT hr = S_OK;
TRACE("(%p,%0.2f,%0.2f)\n", iface, dpiX, dpiY);
EnterCriticalSection(&This->encoder->lock);
if (!This->initialized || This->icns_image.imageData)
{
hr = WINCODEC_ERR_WRONGSTATE;
goto end;
}
end:
LeaveCriticalSection(&This->encoder->lock);
return S_OK;
}
static HRESULT WINAPI IcnsFrameEncode_SetPixelFormat(IWICBitmapFrameEncode *iface,
WICPixelFormatGUID *pPixelFormat)
{
IcnsFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
HRESULT hr = S_OK;
TRACE("(%p,%s)\n", iface, debugstr_guid(pPixelFormat));
EnterCriticalSection(&This->encoder->lock);
if (!This->initialized || This->icns_image.imageData)
{
hr = WINCODEC_ERR_WRONGSTATE;
goto end;
}
memcpy(pPixelFormat, &GUID_WICPixelFormat32bppBGRA, sizeof(GUID));
end:
LeaveCriticalSection(&This->encoder->lock);
return S_OK;
}
static HRESULT WINAPI IcnsFrameEncode_SetColorContexts(IWICBitmapFrameEncode *iface,
UINT cCount, IWICColorContext **ppIColorContext)
{
FIXME("(%p,%u,%p): stub\n", iface, cCount, ppIColorContext);
return E_NOTIMPL;
}
static HRESULT WINAPI IcnsFrameEncode_SetPalette(IWICBitmapFrameEncode *iface,
IWICPalette *pIPalette)
{
FIXME("(%p,%p): stub\n", iface, pIPalette);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI IcnsFrameEncode_SetThumbnail(IWICBitmapFrameEncode *iface,
IWICBitmapSource *pIThumbnail)
{
FIXME("(%p,%p): stub\n", iface, pIThumbnail);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI IcnsFrameEncode_WritePixels(IWICBitmapFrameEncode *iface,
UINT lineCount, UINT cbStride, UINT cbBufferSize, BYTE *pbPixels)
{
IcnsFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
HRESULT hr = S_OK;
UINT i;
int ret;
TRACE("(%p,%u,%u,%u,%p)\n", iface, lineCount, cbStride, cbBufferSize, pbPixels);
EnterCriticalSection(&This->encoder->lock);
if (!This->initialized || !This->width || !This->height)
{
hr = WINCODEC_ERR_WRONGSTATE;
goto end;
}
if (lineCount == 0 || lineCount + This->lines_written > This->height)
{
hr = E_INVALIDARG;
goto end;
}
if (!This->icns_image.imageData)
{
icns_icon_info_t icns_info;
icns_info.isImage = 1;
icns_info.iconWidth = This->width;
icns_info.iconHeight = This->height;
icns_info.iconBitDepth = 32;
icns_info.iconChannels = 4;
icns_info.iconPixelDepth = icns_info.iconBitDepth / icns_info.iconChannels;
This->icns_type = picns_get_type_from_image_info(icns_info);
if (This->icns_type == ICNS_NULL_TYPE)
{
WARN("cannot generate ICNS icon from %dx%d image\n", This->width, This->height);
hr = E_INVALIDARG;
goto end;
}
ret = picns_init_image_for_type(This->icns_type, &This->icns_image);
if (ret != ICNS_STATUS_OK)
{
WARN("error %d in icns_init_image_for_type\n", ret);
hr = E_FAIL;
goto end;
}
}
for (i = 0; i < lineCount; i++)
{
BYTE *src_row, *dst_row;
UINT j;
src_row = pbPixels + cbStride * i;
dst_row = This->icns_image.imageData + (This->lines_written + i)*(This->width*4);
/* swap bgr -> rgb */
for (j = 0; j < This->width*4; j += 4)
{
dst_row[j] = src_row[j+2];
dst_row[j+1] = src_row[j+1];
dst_row[j+2] = src_row[j];
dst_row[j+3] = src_row[j+3];
}
}
This->lines_written += lineCount;
end:
LeaveCriticalSection(&This->encoder->lock);
return hr;
}
static HRESULT WINAPI IcnsFrameEncode_WriteSource(IWICBitmapFrameEncode *iface,
IWICBitmapSource *pIBitmapSource, WICRect *prc)
{
IcnsFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
HRESULT hr;
WICRect rc;
WICPixelFormatGUID guid;
UINT stride;
BYTE *pixeldata = NULL;
TRACE("(%p,%p,%p)\n", iface, pIBitmapSource, prc);
if (!This->initialized || !This->width || !This->height)
{
hr = WINCODEC_ERR_WRONGSTATE;
goto end;
}
hr = IWICBitmapSource_GetPixelFormat(pIBitmapSource, &guid);
if (FAILED(hr))
goto end;
if (!IsEqualGUID(&guid, &GUID_WICPixelFormat32bppBGRA))
{
FIXME("format %s unsupported, could use WICConvertBitmapSource to convert\n", debugstr_guid(&guid));
hr = E_FAIL;
goto end;
}
if (!prc)
{
UINT width, height;
hr = IWICBitmapSource_GetSize(pIBitmapSource, &width, &height);
if (FAILED(hr))
goto end;
rc.X = 0;
rc.Y = 0;
rc.Width = width;
rc.Height = height;
prc = &rc;
}
if (prc->Width != This->width)
{
hr = E_INVALIDARG;
goto end;
}
stride = (32 * This->width + 7)/8;
pixeldata = HeapAlloc(GetProcessHeap(), 0, stride * prc->Height);
if (!pixeldata)
{
hr = E_OUTOFMEMORY;
goto end;
}
hr = IWICBitmapSource_CopyPixels(pIBitmapSource, prc, stride,
stride*prc->Height, pixeldata);
if (SUCCEEDED(hr))
{
hr = IWICBitmapFrameEncode_WritePixels(iface, prc->Height, stride,
stride*prc->Height, pixeldata);
}
end:
HeapFree(GetProcessHeap(), 0, pixeldata);
return hr;
}
static HRESULT WINAPI IcnsFrameEncode_Commit(IWICBitmapFrameEncode *iface)
{
IcnsFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
icns_element_t *icns_element = NULL;
icns_image_t mask;
icns_element_t *mask_element = NULL;
int ret;
int i;
HRESULT hr = S_OK;
TRACE("(%p): stub\n", iface);
memset(&mask, 0, sizeof(mask));
EnterCriticalSection(&This->encoder->lock);
if (!This->icns_image.imageData || This->lines_written != This->height || This->committed)
{
hr = WINCODEC_ERR_WRONGSTATE;
goto end;
}
ret = picns_new_element_from_image(&This->icns_image, This->icns_type, &icns_element);
if (ret != ICNS_STATUS_OK && icns_element != NULL)
{
WARN("icns_new_element_from_image failed with error %d\n", ret);
hr = E_FAIL;
goto end;
}
if (This->icns_type != ICNS_512x512_32BIT_ARGB_DATA && This->icns_type != ICNS_256x256_32BIT_ARGB_DATA)
{
/* we need to write the mask too */
ret = picns_init_image_for_type(picns_get_mask_type_for_icon_type(This->icns_type), &mask);
if (ret != ICNS_STATUS_OK)
{
WARN("icns_init_image_from_type failed to make mask, error %d\n", ret);
hr = E_FAIL;
goto end;
}
for (i = 0; i < mask.imageHeight; i++)
{
int j;
for (j = 0; j < mask.imageWidth; j++)
mask.imageData[i*mask.imageWidth + j] = This->icns_image.imageData[i*mask.imageWidth*4 + j*4 + 3];
}
ret = picns_new_element_from_image(&mask, picns_get_mask_type_for_icon_type(This->icns_type), &mask_element);
if (ret != ICNS_STATUS_OK)
{
WARN("icns_new_element_from image failed to make element from mask, error %d\n", ret);
hr = E_FAIL;
goto end;
}
}
ret = picns_set_element_in_family(&This->encoder->icns_family, icns_element);
if (ret != ICNS_STATUS_OK)
{
WARN("icns_set_element_in_family failed for image with error %d\n", ret);
hr = E_FAIL;
goto end;
}
if (mask_element)
{
ret = picns_set_element_in_family(&This->encoder->icns_family, mask_element);
if (ret != ICNS_STATUS_OK)
{
WARN("icns_set_element_in_family failed for mask with error %d\n", ret);
hr = E_FAIL;
goto end;
}
}
This->committed = TRUE;
This->encoder->any_frame_committed = TRUE;
This->encoder->outstanding_commits--;
end:
LeaveCriticalSection(&This->encoder->lock);
picns_free_image(&mask);
free(icns_element);
free(mask_element);
return hr;
}
static HRESULT WINAPI IcnsFrameEncode_GetMetadataQueryWriter(IWICBitmapFrameEncode *iface,
IWICMetadataQueryWriter **ppIMetadataQueryWriter)
{
FIXME("(%p, %p): stub\n", iface, ppIMetadataQueryWriter);
return E_NOTIMPL;
}
static const IWICBitmapFrameEncodeVtbl IcnsEncoder_FrameVtbl = {
IcnsFrameEncode_QueryInterface,
IcnsFrameEncode_AddRef,
IcnsFrameEncode_Release,
IcnsFrameEncode_Initialize,
IcnsFrameEncode_SetSize,
IcnsFrameEncode_SetResolution,
IcnsFrameEncode_SetPixelFormat,
IcnsFrameEncode_SetColorContexts,
IcnsFrameEncode_SetPalette,
IcnsFrameEncode_SetThumbnail,
IcnsFrameEncode_WritePixels,
IcnsFrameEncode_WriteSource,
IcnsFrameEncode_Commit,
IcnsFrameEncode_GetMetadataQueryWriter
};
static HRESULT WINAPI IcnsEncoder_QueryInterface(IWICBitmapEncoder *iface, REFIID iid,
void **ppv)
{
IcnsEncoder *This = impl_from_IWICBitmapEncoder(iface);
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
if (IsEqualIID(&IID_IUnknown, iid) ||
IsEqualIID(&IID_IWICBitmapEncoder, iid))
{
*ppv = This;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI IcnsEncoder_AddRef(IWICBitmapEncoder *iface)
{
IcnsEncoder *This = impl_from_IWICBitmapEncoder(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
return ref;
}
static ULONG WINAPI IcnsEncoder_Release(IWICBitmapEncoder *iface)
{
IcnsEncoder *This = impl_from_IWICBitmapEncoder(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->icns_family)
free(This->icns_family);
if (This->stream)
IStream_Release(This->stream);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT WINAPI IcnsEncoder_Initialize(IWICBitmapEncoder *iface,
IStream *pIStream, WICBitmapEncoderCacheOption cacheOption)
{
IcnsEncoder *This = impl_from_IWICBitmapEncoder(iface);
int ret;
HRESULT hr = S_OK;
TRACE("(%p,%p,%u)\n", iface, pIStream, cacheOption);
EnterCriticalSection(&This->lock);
if (This->icns_family)
{
hr = WINCODEC_ERR_WRONGSTATE;
goto end;
}
ret = picns_create_family(&This->icns_family);
if (ret != ICNS_STATUS_OK)
{
WARN("error %d creating icns family\n", ret);
hr = E_FAIL;
goto end;
}
IStream_AddRef(pIStream);
This->stream = pIStream;
end:
LeaveCriticalSection(&This->lock);
return hr;
}
static HRESULT WINAPI IcnsEncoder_GetContainerFormat(IWICBitmapEncoder *iface,
GUID *pguidContainerFormat)
{
FIXME("(%p,%s): stub\n", iface, debugstr_guid(pguidContainerFormat));
return E_NOTIMPL;
}
static HRESULT WINAPI IcnsEncoder_GetEncoderInfo(IWICBitmapEncoder *iface,
IWICBitmapEncoderInfo **ppIEncoderInfo)
{
FIXME("(%p,%p): stub\n", iface, ppIEncoderInfo);
return E_NOTIMPL;
}
static HRESULT WINAPI IcnsEncoder_SetColorContexts(IWICBitmapEncoder *iface,
UINT cCount, IWICColorContext **ppIColorContext)
{
FIXME("(%p,%u,%p): stub\n", iface, cCount, ppIColorContext);
return E_NOTIMPL;
}
static HRESULT WINAPI IcnsEncoder_SetPalette(IWICBitmapEncoder *iface, IWICPalette *pIPalette)
{
TRACE("(%p,%p)\n", iface, pIPalette);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI IcnsEncoder_SetThumbnail(IWICBitmapEncoder *iface, IWICBitmapSource *pIThumbnail)
{
TRACE("(%p,%p)\n", iface, pIThumbnail);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI IcnsEncoder_SetPreview(IWICBitmapEncoder *iface, IWICBitmapSource *pIPreview)
{
TRACE("(%p,%p)\n", iface, pIPreview);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
static HRESULT WINAPI IcnsEncoder_CreateNewFrame(IWICBitmapEncoder *iface,
IWICBitmapFrameEncode **ppIFrameEncode, IPropertyBag2 **ppIEncoderOptions)
{
IcnsEncoder *This = impl_from_IWICBitmapEncoder(iface);
HRESULT hr = S_OK;
IcnsFrameEncode *frameEncode = NULL;
TRACE("(%p,%p,%p)\n", iface, ppIFrameEncode, ppIEncoderOptions);
EnterCriticalSection(&This->lock);
if (!This->icns_family)
{
hr = WINCODEC_ERR_NOTINITIALIZED;
goto end;
}
hr = CreatePropertyBag2(ppIEncoderOptions);
if (FAILED(hr))
goto end;
frameEncode = HeapAlloc(GetProcessHeap(), 0, sizeof(IcnsFrameEncode));
if (frameEncode == NULL)
{
hr = E_OUTOFMEMORY;
goto end;
}
frameEncode->IWICBitmapFrameEncode_iface.lpVtbl = &IcnsEncoder_FrameVtbl;
frameEncode->encoder = This;
frameEncode->ref = 1;
frameEncode->initialized = FALSE;
frameEncode->width = 0;
frameEncode->height = 0;
memset(&frameEncode->icns_image, 0, sizeof(icns_image_t));
frameEncode->lines_written = 0;
frameEncode->committed = FALSE;
*ppIFrameEncode = &frameEncode->IWICBitmapFrameEncode_iface;
This->outstanding_commits++;
IUnknown_AddRef((IUnknown*)This);
end:
LeaveCriticalSection(&This->lock);
return hr;
}
static HRESULT WINAPI IcnsEncoder_Commit(IWICBitmapEncoder *iface)
{
IcnsEncoder *This = impl_from_IWICBitmapEncoder(iface);
icns_byte_t *buffer = NULL;
icns_size_t buffer_size;
int ret;
HRESULT hr = S_OK;
ULONG byteswritten;
TRACE("(%p)\n", iface);
EnterCriticalSection(&This->lock);
if (!This->any_frame_committed || This->outstanding_commits > 0 || This->committed)
{
hr = WINCODEC_ERR_WRONGSTATE;
goto end;
}
ret = picns_export_family_data(This->icns_family, &buffer_size, &buffer);
if (ret != ICNS_STATUS_OK)
{
WARN("icns_export_family_data failed with error %d\n", ret);
hr = E_FAIL;
goto end;
}
hr = IStream_Write(This->stream, buffer, buffer_size, &byteswritten);
if (FAILED(hr) || byteswritten != buffer_size)
{
WARN("writing file failed, hr = 0x%08X\n", hr);
hr = E_FAIL;
goto end;
}
This->committed = TRUE;
end:
LeaveCriticalSection(&This->lock);
free(buffer);
return hr;
}
static HRESULT WINAPI IcnsEncoder_GetMetadataQueryWriter(IWICBitmapEncoder *iface,
IWICMetadataQueryWriter **ppIMetadataQueryWriter)
{
FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryWriter);
return E_NOTIMPL;
}
static const IWICBitmapEncoderVtbl IcnsEncoder_Vtbl = {
IcnsEncoder_QueryInterface,
IcnsEncoder_AddRef,
IcnsEncoder_Release,
IcnsEncoder_Initialize,
IcnsEncoder_GetContainerFormat,
IcnsEncoder_GetEncoderInfo,
IcnsEncoder_SetColorContexts,
IcnsEncoder_SetPalette,
IcnsEncoder_SetThumbnail,
IcnsEncoder_SetPreview,
IcnsEncoder_CreateNewFrame,
IcnsEncoder_Commit,
IcnsEncoder_GetMetadataQueryWriter
};
HRESULT IcnsEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
{
IcnsEncoder *This;
HRESULT ret;
TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv);
*ppv = NULL;
if (pUnkOuter) return CLASS_E_NOAGGREGATION;
if (!libicns_handle && !load_libicns())
{
ERR("Failed writing ICNS because unable to find %s\n",SONAME_LIBICNS);
return E_FAIL;
}
This = HeapAlloc(GetProcessHeap(), 0, sizeof(IcnsEncoder));
if (!This) return E_OUTOFMEMORY;
This->IWICBitmapEncoder_iface.lpVtbl = &IcnsEncoder_Vtbl;
This->ref = 1;
This->stream = NULL;
This->icns_family = NULL;
This->any_frame_committed = FALSE;
This->outstanding_commits = 0;
This->committed = FALSE;
InitializeCriticalSection(&This->lock);
This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": IcnsEncoder.lock");
ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
IUnknown_Release((IUnknown*)This);
return ret;
}
#else /* !defined(SONAME_LIBICNS) */
HRESULT IcnsEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
{
ERR("Trying to save ICNS picture, but ICNS support is not compiled in.\n");
return E_FAIL;
}
#endif