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mirror of https://code.videolan.org/videolan/vlc synced 2024-07-29 11:58:24 +02:00
vlc/activex/viewobject.cpp
2006-01-12 23:10:04 +00:00

140 lines
3.9 KiB
C++

/*****************************************************************************
* viewobject.cpp: ActiveX control for VLC
*****************************************************************************
* Copyright (C) 2005 the VideoLAN team
*
* Authors: Damien Fouilleul <Damien.Fouilleul@laposte.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#include "plugin.h"
#include "viewobject.h"
#include "utils.h"
using namespace std;
STDMETHODIMP VLCViewObject::Draw(DWORD dwAspect, LONG lindex, PVOID pvAspect,
DVTARGETDEVICE *ptd, HDC hicTargetDev, HDC hdcDraw, LPCRECTL lprcBounds,
LPCRECTL lprcWBounds, BOOL(CALLBACK *pfnContinue)(DWORD), DWORD dwContinue)
{
if( dwAspect & DVASPECT_CONTENT )
{
if( NULL == lprcBounds )
return E_INVALIDARG;
BOOL releaseDC = FALSE;
SIZEL size = _p_instance->getExtent();
if( NULL == ptd )
{
hicTargetDev = CreateDevDC(NULL);
releaseDC = TRUE;
}
DPFromHimetric(hicTargetDev, (LPPOINT)&size, 1);
RECTL bounds = { 0L, 0L, size.cx, size.cy };
int sdc = SaveDC(hdcDraw);
SetMapMode(hdcDraw, MM_ANISOTROPIC);
SetWindowOrgEx(hdcDraw, 0, 0, NULL);
SetWindowExtEx(hdcDraw, size.cx, size.cy, NULL);
OffsetViewportOrgEx(hdcDraw, lprcBounds->left, lprcBounds->top, NULL);
SetViewportExtEx(hdcDraw, lprcBounds->right-lprcBounds->left,
lprcBounds->bottom-lprcBounds->top, NULL);
_p_instance->onDraw(ptd, hicTargetDev, hdcDraw, &bounds, lprcWBounds);
RestoreDC(hdcDraw, sdc);
if( releaseDC )
DeleteDC(hicTargetDev);
return S_OK;
}
return E_NOTIMPL;
};
STDMETHODIMP VLCViewObject::Freeze(DWORD dwAspect, LONG lindex,
PVOID pvAspect, LPDWORD pdwFreeze)
{
return E_NOTIMPL;
};
STDMETHODIMP VLCViewObject::GetAdvise(LPDWORD pdwAspect, LPDWORD padvf,
LPADVISESINK *ppAdviseSink)
{
if( NULL != pdwAspect )
*pdwAspect = _dwAspect;
if( NULL != padvf )
*padvf = _advf;
if( NULL != ppAdviseSink )
{
*ppAdviseSink = _pAdvSink;
if( NULL != _pAdvSink )
_pAdvSink->AddRef();
}
return S_OK;
};
STDMETHODIMP VLCViewObject::GetColorSet(DWORD dwAspect, LONG lindex,
PVOID pvAspect, DVTARGETDEVICE *ptd, HDC hicTargetDev, LPLOGPALETTE *ppColorSet)
{
return S_FALSE;
};
STDMETHODIMP VLCViewObject::SetAdvise(DWORD dwAspect, DWORD advf,
LPADVISESINK pAdvSink)
{
if( NULL != pAdvSink )
pAdvSink->AddRef();
if( NULL != _pAdvSink )
_pAdvSink->Release();
_dwAspect = dwAspect;
_advf = advf;
_pAdvSink = pAdvSink;
if( (dwAspect & DVASPECT_CONTENT) && (advf & ADVF_PRIMEFIRST) && (NULL != _pAdvSink) )
{
_pAdvSink->OnViewChange(DVASPECT_CONTENT, -1);
}
return S_OK;
};
STDMETHODIMP VLCViewObject::Unfreeze(DWORD dwFreeze)
{
return E_NOTIMPL;
};
STDMETHODIMP VLCViewObject::GetExtent(DWORD dwAspect, LONG lindex,
DVTARGETDEVICE *ptd, LPSIZEL lpSizel)
{
if( dwAspect & DVASPECT_CONTENT )
{
*lpSizel = _p_instance->getExtent();
return S_OK;
}
lpSizel->cx= 0L;
lpSizel->cy= 0L;
return E_NOTIMPL;
};