mirror of
https://github.com/reactos/reactos.git
synced 2024-08-31 07:38:48 +00:00
288 lines
7.7 KiB
C
288 lines
7.7 KiB
C
/*
|
|
* Copyright 2010 Vincent Povirk 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 "config.h"
|
|
|
|
#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 FlipRotator {
|
|
IWICBitmapFlipRotator IWICBitmapFlipRotator_iface;
|
|
LONG ref;
|
|
IWICBitmapSource *source;
|
|
int flip_x;
|
|
int flip_y;
|
|
int swap_xy;
|
|
CRITICAL_SECTION lock; /* must be held when initialized */
|
|
} FlipRotator;
|
|
|
|
static inline FlipRotator *impl_from_IWICBitmapFlipRotator(IWICBitmapFlipRotator *iface)
|
|
{
|
|
return CONTAINING_RECORD(iface, FlipRotator, IWICBitmapFlipRotator_iface);
|
|
}
|
|
|
|
static HRESULT WINAPI FlipRotator_QueryInterface(IWICBitmapFlipRotator *iface, REFIID iid,
|
|
void **ppv)
|
|
{
|
|
FlipRotator *This = impl_from_IWICBitmapFlipRotator(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_IWICBitmapFlipRotator, iid))
|
|
{
|
|
*ppv = &This->IWICBitmapFlipRotator_iface;
|
|
}
|
|
else
|
|
{
|
|
*ppv = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
IUnknown_AddRef((IUnknown*)*ppv);
|
|
return S_OK;
|
|
}
|
|
|
|
static ULONG WINAPI FlipRotator_AddRef(IWICBitmapFlipRotator *iface)
|
|
{
|
|
FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
|
|
ULONG ref = InterlockedIncrement(&This->ref);
|
|
|
|
TRACE("(%p) refcount=%u\n", iface, ref);
|
|
|
|
return ref;
|
|
}
|
|
|
|
static ULONG WINAPI FlipRotator_Release(IWICBitmapFlipRotator *iface)
|
|
{
|
|
FlipRotator *This = impl_from_IWICBitmapFlipRotator(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->source) IWICBitmapSource_Release(This->source);
|
|
HeapFree(GetProcessHeap(), 0, This);
|
|
}
|
|
|
|
return ref;
|
|
}
|
|
|
|
static HRESULT WINAPI FlipRotator_GetSize(IWICBitmapFlipRotator *iface,
|
|
UINT *puiWidth, UINT *puiHeight)
|
|
{
|
|
FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
|
|
TRACE("(%p,%p,%p)\n", iface, puiWidth, puiHeight);
|
|
|
|
if (!This->source)
|
|
return WINCODEC_ERR_WRONGSTATE;
|
|
else if (This->swap_xy)
|
|
return IWICBitmapSource_GetSize(This->source, puiHeight, puiWidth);
|
|
else
|
|
return IWICBitmapSource_GetSize(This->source, puiWidth, puiHeight);
|
|
}
|
|
|
|
static HRESULT WINAPI FlipRotator_GetPixelFormat(IWICBitmapFlipRotator *iface,
|
|
WICPixelFormatGUID *pPixelFormat)
|
|
{
|
|
FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
|
|
TRACE("(%p,%p)\n", iface, pPixelFormat);
|
|
|
|
if (!This->source)
|
|
return WINCODEC_ERR_WRONGSTATE;
|
|
else
|
|
return IWICBitmapSource_GetPixelFormat(This->source, pPixelFormat);
|
|
}
|
|
|
|
static HRESULT WINAPI FlipRotator_GetResolution(IWICBitmapFlipRotator *iface,
|
|
double *pDpiX, double *pDpiY)
|
|
{
|
|
FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
|
|
TRACE("(%p,%p,%p)\n", iface, pDpiX, pDpiY);
|
|
|
|
if (!This->source)
|
|
return WINCODEC_ERR_WRONGSTATE;
|
|
else if (This->swap_xy)
|
|
return IWICBitmapSource_GetResolution(This->source, pDpiY, pDpiX);
|
|
else
|
|
return IWICBitmapSource_GetResolution(This->source, pDpiX, pDpiY);
|
|
}
|
|
|
|
static HRESULT WINAPI FlipRotator_CopyPalette(IWICBitmapFlipRotator *iface,
|
|
IWICPalette *pIPalette)
|
|
{
|
|
FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
|
|
TRACE("(%p,%p)\n", iface, pIPalette);
|
|
|
|
if (!This->source)
|
|
return WINCODEC_ERR_WRONGSTATE;
|
|
else
|
|
return IWICBitmapSource_CopyPalette(This->source, pIPalette);
|
|
}
|
|
|
|
static HRESULT WINAPI FlipRotator_CopyPixels(IWICBitmapFlipRotator *iface,
|
|
const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
|
|
{
|
|
FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
|
|
HRESULT hr;
|
|
UINT y;
|
|
UINT srcy, srcwidth, srcheight;
|
|
WICRect rc;
|
|
WICRect rect;
|
|
|
|
TRACE("(%p,%s,%u,%u,%p)\n", iface, debug_wic_rect(prc), cbStride, cbBufferSize, pbBuffer);
|
|
|
|
if (!This->source) return WINCODEC_ERR_WRONGSTATE;
|
|
|
|
if (This->swap_xy || This->flip_x)
|
|
{
|
|
/* This requires knowledge of the pixel format. */
|
|
FIXME("flipping x and rotating are not implemented\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
hr = IWICBitmapSource_GetSize(This->source, &srcwidth, &srcheight);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
if (!prc)
|
|
{
|
|
UINT width, height;
|
|
hr = IWICBitmapFlipRotator_GetSize(iface, &width, &height);
|
|
if (FAILED(hr)) return hr;
|
|
rect.X = 0;
|
|
rect.Y = 0;
|
|
rect.Width = width;
|
|
rect.Height = height;
|
|
prc = ▭
|
|
}
|
|
|
|
for (y=prc->Y; y - prc->Y < prc->Height; y++)
|
|
{
|
|
if (This->flip_y)
|
|
srcy = srcheight - 1 - y;
|
|
else
|
|
srcy = y;
|
|
|
|
rc.X = prc->X;
|
|
rc.Y = srcy;
|
|
rc.Width = prc->Width;
|
|
rc.Height = 1;
|
|
|
|
hr = IWICBitmapSource_CopyPixels(This->source, &rc, cbStride, cbStride,
|
|
pbBuffer);
|
|
|
|
if (FAILED(hr)) break;
|
|
|
|
pbBuffer += cbStride;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI FlipRotator_Initialize(IWICBitmapFlipRotator *iface,
|
|
IWICBitmapSource *pISource, WICBitmapTransformOptions options)
|
|
{
|
|
FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
|
|
HRESULT hr=S_OK;
|
|
|
|
TRACE("(%p,%p,%u)\n", iface, pISource, options);
|
|
|
|
EnterCriticalSection(&This->lock);
|
|
|
|
if (This->source)
|
|
{
|
|
hr = WINCODEC_ERR_WRONGSTATE;
|
|
goto end;
|
|
}
|
|
|
|
if (options&WICBitmapTransformRotate90)
|
|
{
|
|
This->swap_xy = 1;
|
|
This->flip_x = !This->flip_x;
|
|
}
|
|
|
|
if (options&WICBitmapTransformRotate180)
|
|
{
|
|
This->flip_x = !This->flip_x;
|
|
This->flip_y = !This->flip_y;
|
|
}
|
|
|
|
if (options&WICBitmapTransformFlipHorizontal)
|
|
This->flip_x = !This->flip_x;
|
|
|
|
if (options&WICBitmapTransformFlipVertical)
|
|
This->flip_y = !This->flip_y;
|
|
|
|
IWICBitmapSource_AddRef(pISource);
|
|
This->source = pISource;
|
|
|
|
end:
|
|
LeaveCriticalSection(&This->lock);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static const IWICBitmapFlipRotatorVtbl FlipRotator_Vtbl = {
|
|
FlipRotator_QueryInterface,
|
|
FlipRotator_AddRef,
|
|
FlipRotator_Release,
|
|
FlipRotator_GetSize,
|
|
FlipRotator_GetPixelFormat,
|
|
FlipRotator_GetResolution,
|
|
FlipRotator_CopyPalette,
|
|
FlipRotator_CopyPixels,
|
|
FlipRotator_Initialize
|
|
};
|
|
|
|
HRESULT FlipRotator_Create(IWICBitmapFlipRotator **fliprotator)
|
|
{
|
|
FlipRotator *This;
|
|
|
|
This = HeapAlloc(GetProcessHeap(), 0, sizeof(FlipRotator));
|
|
if (!This) return E_OUTOFMEMORY;
|
|
|
|
This->IWICBitmapFlipRotator_iface.lpVtbl = &FlipRotator_Vtbl;
|
|
This->ref = 1;
|
|
This->source = NULL;
|
|
This->flip_x = 0;
|
|
This->flip_y = 0;
|
|
This->swap_xy = 0;
|
|
InitializeCriticalSection(&This->lock);
|
|
This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FlipRotator.lock");
|
|
|
|
*fliprotator = &This->IWICBitmapFlipRotator_iface;
|
|
|
|
return S_OK;
|
|
}
|