fliprotate.c File Reference

#include "config.h"
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "wincodecs_private.h"
#include "wine/debug.h"

Include dependency graph for fliprotate.c:

Go to the source code of this file.

Classes
struct	FlipRotator

Macros
#define	COBJMACROS

Typedefs
typedef struct FlipRotator	FlipRotator

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (wincodecs)
static FlipRotator *	impl_from_IWICBitmapFlipRotator (IWICBitmapFlipRotator *iface)
static HRESULT WINAPI	FlipRotator_QueryInterface (IWICBitmapFlipRotator *iface, REFIID iid, void **ppv)
static ULONG WINAPI	FlipRotator_AddRef (IWICBitmapFlipRotator *iface)
static ULONG WINAPI	FlipRotator_Release (IWICBitmapFlipRotator *iface)
static HRESULT WINAPI	FlipRotator_GetSize (IWICBitmapFlipRotator *iface, UINT *puiWidth, UINT *puiHeight)
static HRESULT WINAPI	FlipRotator_GetPixelFormat (IWICBitmapFlipRotator *iface, WICPixelFormatGUID *pPixelFormat)
static HRESULT WINAPI	FlipRotator_GetResolution (IWICBitmapFlipRotator *iface, double *pDpiX, double *pDpiY)
static HRESULT WINAPI	FlipRotator_CopyPalette (IWICBitmapFlipRotator *iface, IWICPalette *pIPalette)
static HRESULT WINAPI	FlipRotator_CopyPixels (IWICBitmapFlipRotator *iface, const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
static HRESULT WINAPI	FlipRotator_Initialize (IWICBitmapFlipRotator *iface, IWICBitmapSource *pISource, WICBitmapTransformOptions options)
HRESULT	FlipRotator_Create (IWICBitmapFlipRotator **fliprotator)

Variables
static const IWICBitmapFlipRotatorVtbl	FlipRotator_Vtbl

Macro Definition Documentation

COBJMACROS

#define COBJMACROS

Definition at line 23 of file fliprotate.c.

Typedef Documentation

FlipRotator

typedef struct FlipRotator FlipRotator

Function Documentation

FlipRotator_AddRef()

static ULONG WINAPI FlipRotator_AddRef ( IWICBitmapFlipRotator *  iface )

static

Definition at line 74 of file fliprotate.c.

{
    FlipRotator *This = impl_from_IWICBitmapFlipRotator(iface);
    ULONG ref = InterlockedIncrement(&This->ref);
 
    TRACE("(%p) refcount=%u\n", iface, ref);
 
    return ref;
}

FlipRotator_CopyPalette()

static HRESULT WINAPI FlipRotator_CopyPalette ( IWICBitmapFlipRotator *  iface, IWICPalette *  pIPalette  )

static

Definition at line 142 of file fliprotate.c.

{
    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);
}

FlipRotator_CopyPixels()

static HRESULT WINAPI FlipRotator_CopyPixels ( IWICBitmapFlipRotator *  iface, const WICRect *  prc, UINT  cbStride, UINT  cbBufferSize, BYTE *  pbBuffer  )

static

Definition at line 154 of file fliprotate.c.

{
    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;
}

FlipRotator_Create()

HRESULT FlipRotator_Create

(

IWICBitmapFlipRotator **

fliprotator

)

Definition at line 268 of file fliprotate.c.

{
    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;
}

Referenced by ImagingFactory_CreateBitmapFlipRotator().

FlipRotator_GetPixelFormat()

static HRESULT WINAPI FlipRotator_GetPixelFormat ( IWICBitmapFlipRotator *  iface, WICPixelFormatGUID *  pPixelFormat  )

static

Definition at line 116 of file fliprotate.c.

{
    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);
}

FlipRotator_GetResolution()

static HRESULT WINAPI FlipRotator_GetResolution ( IWICBitmapFlipRotator *  iface, double *  pDpiX, double *  pDpiY  )

static

Definition at line 128 of file fliprotate.c.

{
    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);
}

FlipRotator_GetSize()

static HRESULT WINAPI FlipRotator_GetSize ( IWICBitmapFlipRotator *  iface, UINT *  puiWidth, UINT *  puiHeight  )

static

Definition at line 102 of file fliprotate.c.

{
    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);
}

FlipRotator_Initialize()

static HRESULT WINAPI FlipRotator_Initialize ( IWICBitmapFlipRotator *  iface, IWICBitmapSource *  pISource, WICBitmapTransformOptions  options  )

static

Definition at line 213 of file fliprotate.c.

{
    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;
}

FlipRotator_QueryInterface()

static HRESULT WINAPI FlipRotator_QueryInterface ( IWICBitmapFlipRotator *  iface, REFIID  iid, void **  ppv  )

static

Definition at line 50 of file fliprotate.c.

{
    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;
}

FlipRotator_Release()

static ULONG WINAPI FlipRotator_Release ( IWICBitmapFlipRotator *  iface )

static

Definition at line 84 of file fliprotate.c.

{
    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;
}

impl_from_IWICBitmapFlipRotator()

static FlipRotator * impl_from_IWICBitmapFlipRotator ( IWICBitmapFlipRotator *  iface )

inlinestatic

Definition at line 45 of file fliprotate.c.

{
    return CONTAINING_RECORD(iface, FlipRotator, IWICBitmapFlipRotator_iface);
}

Referenced by FlipRotator_AddRef(), FlipRotator_CopyPalette(), FlipRotator_CopyPixels(), FlipRotator_GetPixelFormat(), FlipRotator_GetResolution(), FlipRotator_GetSize(), FlipRotator_Initialize(), FlipRotator_QueryInterface(), and FlipRotator_Release().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

wincodecs

)

Variable Documentation

FlipRotator_Vtbl

const IWICBitmapFlipRotatorVtbl FlipRotator_Vtbl

static

Initial value:

= {
    FlipRotator_QueryInterface,
    FlipRotator_AddRef,
    FlipRotator_Release,
    FlipRotator_GetSize,
    FlipRotator_GetPixelFormat,
    FlipRotator_GetResolution,
    FlipRotator_CopyPalette,
    FlipRotator_CopyPixels,
    FlipRotator_Initialize
}

Definition at line 256 of file fliprotate.c.

Referenced by FlipRotator_Create().