brushrnd.cpp

来自「linux下的一款播放器」· C++ 代码 · 共 538 行 · 第 1/2 页

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: brushrnd.cpp,v 1.5.2.1 2004/07/09 01:57:52 hubbe Exp $
 * 
 * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
 * 
 * The contents of this file, and the files included with this file,
 * are subject to the current version of the RealNetworks Public
 * Source License (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the current version of the RealNetworks Community
 * Source License (the "RCSL") available at
 * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
 * will apply. You may also obtain the license terms directly from
 * RealNetworks.  You may not use this file except in compliance with
 * the RPSL or, if you have a valid RCSL with RealNetworks applicable
 * to this file, the RCSL.  Please see the applicable RPSL or RCSL for
 * the rights, obligations and limitations governing use of the
 * contents of the file.
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL") in which case the provisions of the GPL are applicable
 * instead of those above. If you wish to allow use of your version of
 * this file only under the terms of the GPL, and not to allow others
 * to use your version of this file under the terms of either the RPSL
 * or RCSL, indicate your decision by deleting the provisions above
 * and replace them with the notice and other provisions required by
 * the GPL. If you do not delete the provisions above, a recipient may
 * use your version of this file under the terms of any one of the
 * RPSL, the RCSL or the GPL.
 * 
 * This file is part of the Helix DNA Technology. RealNetworks is the
 * developer of the Original Code and owns the copyrights in the
 * portions it created.
 * 
 * This file, and the files included with this file, is distributed
 * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
 * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
 * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
 * ENJOYMENT OR NON-INFRINGEMENT.
 * 
 * Technology Compatibility Kit Test Suite(s) Location:
 *    http://www.helixcommunity.org/content/tck
 * 
 * Contributor(s):
 * 
 * ***** END LICENSE BLOCK ***** */


// include
#include "hxtypes.h"
#include "hxwintyp.h"
#include "hxcom.h"
#include "hxcomm.h"
#include "ihxpckts.h"
#include "hxplugn.h"
#include "hxrendr.h"
#include "hxvsurf.h"
#include "hxhyper.h"
#include "hxwin.h"
#include "hxver.h"
#include "hxasm.h"
#include "hxprefs.h"
#include "hxmon.h"
#include "hxupgrd.h"
#include "hxcore.h"
#include "hxerror.h"
// pnmisc
#include "baseobj.h"
#include "hxparse.h"
// pxcomlib
#include "pxtransp.h"
// baserend
#include "baserend.h"
#include "vbasernd.h"
// brushrnd
#include "brushrnd.h"
#include "brushrnd.ver"
// pndebug
#include "errdbg.h"
#include "hxheap.h"
// runtime
#include "hlxclib/string.h"
#ifdef _DEBUG
#undef HX_THIS_FILE		
static const char HX_THIS_FILE[] = __FILE__;
#endif

const char* const CBrushRenderer::m_pszName        = "Brush";
const char* const CBrushRenderer::m_pszDescription = "RealNetworks Brush Renderer Plugin";
const char* const CBrushRenderer::m_ppszMimeType[] = {"application/vnd.rn-brushstream", NULL};

CBrushRenderer::CBrushRenderer() : CRNVisualBaseRenderer()
{
    m_ulColor              = 0x00000000;
    m_pHeader              = NULL;
    m_ulChromaKey          = 0x00000000;
    m_ulChromaKeyTolerance = 0x00000000;
    m_ulChromaKeyOpacity   = 0;
    m_ulLastColor          = 0;
    m_pucBuffer            = NULL;
    m_bFirstDraw           = TRUE;
    m_bChromaKeySpecified  = FALSE;
    m_bNullBrush           = FALSE;
};

CBrushRenderer::~CBrushRenderer()
{
    HX_DELETE(m_pHeader);
    HX_VECTOR_DELETE(m_pucBuffer);
};

STDMETHODIMP CBrushRenderer::QueryInterface(REFIID riid, void** ppvObj)
{
    // If we ever have any new interfaces to add which
    // are specific to the brush renderer, then we'll need
    // to add them here. Until then we simply proxy the
    // visual base renderer.
    return CRNVisualBaseRenderer::QueryInterface(riid, ppvObj);
}

STDMETHODIMP_(UINT32) CBrushRenderer::AddRef()
{
    return CRNVisualBaseRenderer::AddRef();
}

STDMETHODIMP_(UINT32) CBrushRenderer::Release()
{
    return CRNVisualBaseRenderer::Release();
}

STDMETHODIMP CBrushRenderer::OnHeader(IHXValues* pHeader)
{
    HX_RESULT retVal = HXR_FAIL;

    if (pHeader)
    {
        // Check presentation stream and content versions
        retVal = CheckStreamVersions(pHeader);
        if (SUCCEEDED(retVal))
        {
            // Allocate a bitmap info header
            HX_DELETE(m_pHeader);
            m_pHeader = new HXBitmapInfoHeader;
            if (m_pHeader)
            {
                // Set up the bitmap info header
                m_pHeader->biSize          = 40;
                m_pHeader->biWidth         = 1;
                m_pHeader->biHeight        = 1;
                m_pHeader->biPlanes        = 1;
                m_pHeader->biBitCount      = 32;
                m_pHeader->biCompression   = HX_RGB;
                m_pHeader->biSizeImage     = 0;
                m_pHeader->biXPelsPerMeter = 0;
                m_pHeader->biYPelsPerMeter = 0;
                m_pHeader->biClrUsed       = 0;
                m_pHeader->biClrImportant  = 0;
                m_pHeader->rcolor          = 0;
                m_pHeader->gcolor          = 0;
                m_pHeader->bcolor          = 0;
                // See if we are a null brush
                UINT32 ulTmp = 0;
                HX_RESULT rv = pHeader->GetPropertyULONG32("NullBrush", ulTmp);
                if (SUCCEEDED(rv) && ulTmp)
                {
                    m_bNullBrush = TRUE;
                }
                // Get the opaque data from the stream header
                IHXBuffer* pBuffer = NULL;
                pHeader->GetPropertyBuffer("OpaqueData", pBuffer);
                if (pBuffer)
                {
                    // XXXMEH - TODO - make more robust parsing. Since
                    // we are creating this "file" in the SMIL renderer,
                    // then we can afford to do simple parsing.
                    const char* pszStr = (const char*) pBuffer->GetBuffer();
                    char*       pTmp   = new char [strlen(pszStr) + 1];
                    if (pTmp)
                    {
                        // Copy the string
                        strcpy(pTmp, pszStr); /* Flawfinder: ignore */
                        // Look for " separators
                        const char* pSep   = "\"";
                        char*       pToken = strtok(pTmp, pSep);
                        BOOL        bNext  = FALSE;
                        while (pToken)
                        {
                            if (bNext)
                            {
                                UINT32    ulColor = 0;
                                HX_RESULT rv      = HXParseColorUINT32(pToken, ulColor);
                                if (SUCCEEDED(rv))
                                {
                                    m_ulColor = ulColor;
                                    // Initialize some persistent properties
                                    CRNBaseRenderer::SetPropertyULONG32("color",             m_ulColor);
                                    CRNBaseRenderer::SetPropertyULONG32("mediaOpacity",      255);
                                    CRNBaseRenderer::SetPropertyULONG32("backgroundOpacity", 255);
                                }
                                break;
                            }
                            if (strstr(pToken, "color"))
                            {
                                bNext = TRUE;
                            }
                            pToken = strtok(NULL, pSep);
                        }
                    }
                    HX_VECTOR_DELETE(pTmp);
                }
                HX_RELEASE(pBuffer);
            }
            else
            {
                retVal = HXR_OUTOFMEMORY;
            }
        }
        else
        {
            AddMimeToUpgradeCollection(m_ppszMimeType[0]);
        }
    }

    return retVal;
}


STDMETHODIMP CBrushRenderer::OnPacketNoOffset(IHXPacket* pPacket)
{
    HX_RESULT retVal = HXR_OK;

    return retVal;
}

STDMETHODIMP CBrushRenderer::OnTimeSyncOffset(UINT32 ulTime)
{
    // We should force a redraw ONLY on
    // the first time sync
    if (m_bFirstDraw && !m_bNullBrush)
    {
        // Redraw our data by damaging the entire area of our data
        HXxSize size;
        m_pSite->GetSize(size);
        HXxRect cRect = {0, 0, size.cx, size.cy};
        m_pSite->DamageRect(cRect);
        m_pSite->ForceRedraw();
        // Clear the first draw flag
        m_bFirstDraw = FALSE;
    }

    return HXR_OK;
}

STDMETHODIMP CBrushRenderer::GetDisplayType(REF(HX_DISPLAY_TYPE) rulFlags,
                                            REF(IHXBuffer*)      pBuffer)
{
    if (m_bNullBrush)
    {
        rulFlags = HX_DISPLAY_NONE;
    }
    else
    {
        rulFlags = GetDisplayFlags();
    }

    return HXR_OK;
}