clipper.c File Reference

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

Include dependency graph for clipper.c:

Go to the source code of this file.

Classes
struct	BitmapClipper

Macros
#define	COBJMACROS

Typedefs
typedef struct BitmapClipper	BitmapClipper

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (wincodecs)
static BitmapClipper *	impl_from_IWICBitmapClipper (IWICBitmapClipper *iface)
static HRESULT WINAPI	BitmapClipper_QueryInterface (IWICBitmapClipper *iface, REFIID iid, void **ppv)
static ULONG WINAPI	BitmapClipper_AddRef (IWICBitmapClipper *iface)
static ULONG WINAPI	BitmapClipper_Release (IWICBitmapClipper *iface)
static HRESULT WINAPI	BitmapClipper_GetSize (IWICBitmapClipper *iface, UINT *width, UINT *height)
static HRESULT WINAPI	BitmapClipper_GetPixelFormat (IWICBitmapClipper *iface, WICPixelFormatGUID *format)
static HRESULT WINAPI	BitmapClipper_GetResolution (IWICBitmapClipper *iface, double *dpiX, double *dpiY)
static HRESULT WINAPI	BitmapClipper_CopyPalette (IWICBitmapClipper *iface, IWICPalette *palette)
static HRESULT WINAPI	BitmapClipper_CopyPixels (IWICBitmapClipper *iface, const WICRect *rc, UINT stride, UINT buffer_size, BYTE *buffer)
static HRESULT WINAPI	BitmapClipper_Initialize (IWICBitmapClipper *iface, IWICBitmapSource *source, const WICRect *rc)
HRESULT	BitmapClipper_Create (IWICBitmapClipper **clipper)

Variables
static const IWICBitmapClipperVtbl	BitmapClipper_Vtbl

Macro Definition Documentation

COBJMACROS

#define COBJMACROS

Definition at line 21 of file clipper.c.

Typedef Documentation

BitmapClipper

typedef struct BitmapClipper BitmapClipper

Function Documentation

BitmapClipper_AddRef()

static ULONG WINAPI BitmapClipper_AddRef ( IWICBitmapClipper *  iface )

static

Definition at line 70 of file clipper.c.

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

BitmapClipper_CopyPalette()

static HRESULT WINAPI BitmapClipper_CopyPalette ( IWICBitmapClipper *  iface, IWICPalette *  palette  )

static

Definition at line 148 of file clipper.c.

{
    BitmapClipper *This = impl_from_IWICBitmapClipper(iface);
 
    TRACE("(%p,%p)\n", iface, palette);
 
    if (!palette)
        return E_INVALIDARG;
 
    if (!This->source)
        return WINCODEC_ERR_WRONGSTATE;
 
    return IWICBitmapSource_CopyPalette(This->source, palette);
}

BitmapClipper_CopyPixels()

static HRESULT WINAPI BitmapClipper_CopyPixels ( IWICBitmapClipper *  iface, const WICRect *  rc, UINT  stride, UINT  buffer_size, BYTE *  buffer  )

static

Definition at line 164 of file clipper.c.

{
    BitmapClipper *This = impl_from_IWICBitmapClipper(iface);
    WICRect rect;
 
    TRACE("(%p,%s,%u,%u,%p)\n", iface, debug_wic_rect(rc), stride, buffer_size, buffer);
 
    if (!This->source)
        return WINCODEC_ERR_WRONGSTATE;
 
    if (rc)
    {
        rect = *rc;
 
        /* transform to source coordinates */
        rect.X += This->rect.X;
        rect.Y += This->rect.Y;
 
        if ((rect.X + rect.Width > This->rect.X + This->rect.Width) ||
            (rect.Y + rect.Height > This->rect.Y + This->rect.Height))
            return E_INVALIDARG;
 
        rc = ▭
    }
    else
        rc = &This->rect;
 
    return IWICBitmapSource_CopyPixels(This->source, rc, stride, buffer_size, buffer);
}

BitmapClipper_Create()

HRESULT BitmapClipper_Create

(

IWICBitmapClipper **

clipper

)

Definition at line 243 of file clipper.c.

{
    BitmapClipper *This;
 
    This = HeapAlloc(GetProcessHeap(), 0, sizeof(BitmapClipper));
    if (!This) return E_OUTOFMEMORY;
 
    This->IWICBitmapClipper_iface.lpVtbl = &BitmapClipper_Vtbl;
    This->ref = 1;
    This->source = NULL;
    InitializeCriticalSection(&This->lock);
    This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": BitmapClipper.lock");
 
    *clipper = &This->IWICBitmapClipper_iface;
 
    return S_OK;
}

Referenced by ImagingFactory_CreateBitmapClipper().

BitmapClipper_GetPixelFormat()

static HRESULT WINAPI BitmapClipper_GetPixelFormat ( IWICBitmapClipper *  iface, WICPixelFormatGUID *  format  )

static

Definition at line 117 of file clipper.c.

{
    BitmapClipper *This = impl_from_IWICBitmapClipper(iface);
    TRACE("(%p,%p)\n", iface, format);
 
    if (!format)
        return E_INVALIDARG;
 
    if (!This->source)
        return WINCODEC_ERR_WRONGSTATE;
 
    return IWICBitmapSource_GetPixelFormat(This->source, format);
}

BitmapClipper_GetResolution()

static HRESULT WINAPI BitmapClipper_GetResolution ( IWICBitmapClipper *  iface, double *  dpiX, double *  dpiY  )

static

Definition at line 132 of file clipper.c.

{
    BitmapClipper *This = impl_from_IWICBitmapClipper(iface);
 
    TRACE("(%p,%p,%p)\n", iface, dpiX, dpiY);
 
    if (!dpiX || !dpiY)
        return E_INVALIDARG;
 
    if (!This->source)
        return WINCODEC_ERR_WRONGSTATE;
 
    return IWICBitmapSource_GetResolution(This->source, dpiX, dpiY);
}

BitmapClipper_GetSize()

static HRESULT WINAPI BitmapClipper_GetSize ( IWICBitmapClipper *  iface, UINT *  width, UINT *  height  )

static

Definition at line 98 of file clipper.c.

{
    BitmapClipper *This = impl_from_IWICBitmapClipper(iface);
 
    TRACE("(%p,%p,%p)\n", iface, width, height);
 
    if (!width || !height)
        return E_INVALIDARG;
 
    if (!This->source)
        return WINCODEC_ERR_WRONGSTATE;
 
    *width = This->rect.Width;
    *height = This->rect.Height;
 
    return S_OK;
}

BitmapClipper_Initialize()

static HRESULT WINAPI BitmapClipper_Initialize ( IWICBitmapClipper *  iface, IWICBitmapSource *  source, const WICRect *  rc  )

static

Definition at line 195 of file clipper.c.

{
    BitmapClipper *This = impl_from_IWICBitmapClipper(iface);
    UINT width, height;
    HRESULT hr = S_OK;
 
    TRACE("(%p,%p,%s)\n", iface, source, debug_wic_rect(rc));
 
    EnterCriticalSection(&This->lock);
 
    if (This->source)
    {
        hr = WINCODEC_ERR_WRONGSTATE;
        goto end;
    }
 
    hr = IWICBitmapSource_GetSize(source, &width, &height);
    if (FAILED(hr)) goto end;
 
    if  ((rc->X + rc->Width > width) || (rc->Y + rc->Height > height))
    {
        hr = E_INVALIDARG;
        goto end;
    }
 
    This->rect = *rc;
    This->source = source;
    IWICBitmapSource_AddRef(This->source);
 
end:
    LeaveCriticalSection(&This->lock);
 
    return hr;
}

BitmapClipper_QueryInterface()

static HRESULT WINAPI BitmapClipper_QueryInterface ( IWICBitmapClipper *  iface, REFIID  iid, void **  ppv  )

static

Definition at line 46 of file clipper.c.

{
    BitmapClipper *This = impl_from_IWICBitmapClipper(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_IWICBitmapClipper, iid))
    {
        *ppv = &This->IWICBitmapClipper_iface;
    }
    else
    {
        *ppv = NULL;
        return E_NOINTERFACE;
    }
 
    IUnknown_AddRef((IUnknown*)*ppv);
    return S_OK;
}

BitmapClipper_Release()

static ULONG WINAPI BitmapClipper_Release ( IWICBitmapClipper *  iface )

static

Definition at line 80 of file clipper.c.

{
    BitmapClipper *This = impl_from_IWICBitmapClipper(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_IWICBitmapClipper()

static BitmapClipper * impl_from_IWICBitmapClipper ( IWICBitmapClipper *  iface )

inlinestatic

Definition at line 41 of file clipper.c.

{
    return CONTAINING_RECORD(iface, BitmapClipper, IWICBitmapClipper_iface);
}

Referenced by BitmapClipper_AddRef(), BitmapClipper_CopyPalette(), BitmapClipper_CopyPixels(), BitmapClipper_GetPixelFormat(), BitmapClipper_GetResolution(), BitmapClipper_GetSize(), BitmapClipper_Initialize(), BitmapClipper_QueryInterface(), and BitmapClipper_Release().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

wincodecs

)

Variable Documentation

BitmapClipper_Vtbl

const IWICBitmapClipperVtbl BitmapClipper_Vtbl

static

Initial value:

= {
    BitmapClipper_QueryInterface,
    BitmapClipper_AddRef,
    BitmapClipper_Release,
    BitmapClipper_GetSize,
    BitmapClipper_GetPixelFormat,
    BitmapClipper_GetResolution,
    BitmapClipper_CopyPalette,
    BitmapClipper_CopyPixels,
    BitmapClipper_Initialize
}

Definition at line 231 of file clipper.c.

Referenced by BitmapClipper_Create().