Sweden-Number/dlls/windowscodecs/colortransform.c

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/*
* Copyright 2013 Hans Leidekker for CodeWeavers
*
* 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 <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "wincodecs_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
typedef struct ColorTransform {
IWICColorTransform IWICColorTransform_iface;
LONG ref;
IWICBitmapSource *dst;
} ColorTransform;
static inline ColorTransform *impl_from_IWICColorTransform(IWICColorTransform *iface)
{
return CONTAINING_RECORD(iface, ColorTransform, IWICColorTransform_iface);
}
static HRESULT WINAPI ColorTransform_QueryInterface(IWICColorTransform *iface, REFIID iid,
void **ppv)
{
ColorTransform *This = impl_from_IWICColorTransform(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_IWICColorTransform, iid))
{
*ppv = &This->IWICColorTransform_iface;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI ColorTransform_AddRef(IWICColorTransform *iface)
{
ColorTransform *This = impl_from_IWICColorTransform(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
return ref;
}
static ULONG WINAPI ColorTransform_Release(IWICColorTransform *iface)
{
ColorTransform *This = impl_from_IWICColorTransform(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
if (ref == 0)
{
if (This->dst) IWICBitmapSource_Release(This->dst);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT WINAPI ColorTransform_GetSize(IWICColorTransform *iface,
UINT *puiWidth, UINT *puiHeight)
{
ColorTransform *This = impl_from_IWICColorTransform(iface);
TRACE("(%p,%p,%p)\n", iface, puiWidth, puiHeight);
return IWICBitmapSource_GetSize(This->dst, puiWidth, puiHeight);
}
static HRESULT WINAPI ColorTransform_GetPixelFormat(IWICColorTransform *iface,
WICPixelFormatGUID *pPixelFormat)
{
ColorTransform *This = impl_from_IWICColorTransform(iface);
TRACE("(%p,%p)\n", iface, pPixelFormat);
return IWICBitmapSource_GetPixelFormat(This->dst, pPixelFormat);
}
static HRESULT WINAPI ColorTransform_GetResolution(IWICColorTransform *iface,
double *pDpiX, double *pDpiY)
{
ColorTransform *This = impl_from_IWICColorTransform(iface);
TRACE("(%p,%p,%p)\n", iface, pDpiX, pDpiY);
return IWICBitmapSource_GetResolution(This->dst, pDpiX, pDpiY);
}
static HRESULT WINAPI ColorTransform_CopyPalette(IWICColorTransform *iface,
IWICPalette *pIPalette)
{
ColorTransform *This = impl_from_IWICColorTransform(iface);
TRACE("(%p,%p)\n", iface, pIPalette);
return IWICBitmapSource_CopyPalette(This->dst, pIPalette);
}
static HRESULT WINAPI ColorTransform_CopyPixels(IWICColorTransform *iface,
const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
{
ColorTransform *This = impl_from_IWICColorTransform(iface);
TRACE("(%p,%s,%u,%u,%p)\n", iface, debug_wic_rect(prc), cbStride, cbBufferSize, pbBuffer);
return IWICBitmapSource_CopyPixels(This->dst, prc, cbStride, cbBufferSize, pbBuffer);
}
static HRESULT WINAPI ColorTransform_Initialize(IWICColorTransform *iface,
IWICBitmapSource *pIBitmapSource, IWICColorContext *pIContextSource,
IWICColorContext *pIContextDest, REFWICPixelFormatGUID pixelFmtDest)
{
ColorTransform *This = impl_from_IWICColorTransform(iface);
IWICBitmapSource *dst;
HRESULT hr;
TRACE("(%p,%p,%p,%p,%s)\n", iface, pIBitmapSource, pIContextSource,
pIContextDest, debugstr_guid(pixelFmtDest));
FIXME("ignoring color contexts\n");
hr = WICConvertBitmapSource(pixelFmtDest, pIBitmapSource, &dst);
if (FAILED(hr)) return hr;
if (This->dst) IWICBitmapSource_Release(This->dst);
This->dst = dst;
return S_OK;
}
static const IWICColorTransformVtbl ColorTransform_Vtbl = {
ColorTransform_QueryInterface,
ColorTransform_AddRef,
ColorTransform_Release,
ColorTransform_GetSize,
ColorTransform_GetPixelFormat,
ColorTransform_GetResolution,
ColorTransform_CopyPalette,
ColorTransform_CopyPixels,
ColorTransform_Initialize
};
HRESULT ColorTransform_Create(IWICColorTransform **colortransform)
{
ColorTransform *This;
if (!colortransform) return E_INVALIDARG;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(ColorTransform));
if (!This) return E_OUTOFMEMORY;
This->IWICColorTransform_iface.lpVtbl = &ColorTransform_Vtbl;
This->ref = 1;
This->dst = NULL;
*colortransform = &This->IWICColorTransform_iface;
return S_OK;
}