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RealMediaWindowlessSite.cpp
资源名称：bfyy.rar　[点击查看]
上传用户：tangyu_668
上传日期：2014-02-27
资源大小：678k
文件大小：17k
源码类别：

多媒体编程

开发平台：

Visual C++

RealMediaWindowlessSite.cpp：源码内容
  1. /* 
  2.  * Copyright (C) 2003-2006 Gabest
  3.  * http://www.gabest.org
  4.  *
  5.  *  This Program is free software; you can redistribute it and/or modify
  6.  *  it under the terms of the GNU General Public License as published by
  7.  *  the Free Software Foundation; either version 2, or (at your option)
  8.  *  any later version.
  9.  *   
  10.  *  This Program is distributed in the hope that it will be useful,
  11.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13.  *  GNU General Public License for more details.
  14.  *   
  15.  *  You should have received a copy of the GNU General Public License
  16.  *  along with GNU Make; see the file COPYING.  If not, write to
  17.  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 
  18.  *  http://www.gnu.org/copyleft/gpl.html
  19.  *
  20.  */
  22. #include "stdafx.h"
  23. #include "mplayerc.h"
  24. #include <math.h>
  25. #include <atlbase.h>
  26. #include <atlcoll.h>
  27. #include "realmediawindowlesssite.h"
  28. #include "....DSUtilDSUtil.h"
  30. void DSObjects::ExtractRects(REGION* pRegion)
  31. {
  32. LPRGNDATA lpRgnData;
  34. DWORD sizeNeeed = GetRegionData((HRGN)pRegion->pOSRegion, 0, NULL); 
  36. lpRgnData = (LPRGNDATA)new char[sizeNeeed];
  37. DWORD returnValue = GetRegionData((HRGN)pRegion->pOSRegion, sizeNeeed, lpRgnData); 
  39. PN_VECTOR_DELETE(pRegion->rects);
  41. pRegion->numRects = lpRgnData->rdh.nCount;
  42. pRegion->extents.left = lpRgnData->rdh.rcBound.left;
  43. pRegion->extents.top = lpRgnData->rdh.rcBound.top;
  44. pRegion->extents.right = lpRgnData->rdh.rcBound.right;
  45. pRegion->extents.bottom = lpRgnData->rdh.rcBound.bottom;
  47. if(lpRgnData->rdh.nCount)
  48. {
  49. pRegion->rects = new PNxRect[lpRgnData->rdh.nCount];
  51. // now extract the information.
  53. for(int j = 0; j < (int) lpRgnData->rdh.nCount;j++)
  54. {
  55. RECT* pRect = (RECT*)lpRgnData->Buffer;
  56. pRegion->rects[j].left = pRect[j].left;
  57. pRegion->rects[j].top = pRect[j].top;
  58. pRegion->rects[j].right = pRect[j].right;
  59. pRegion->rects[j].bottom = pRect[j].bottom;
  60. }
  61. }
  63. PN_VECTOR_DELETE(lpRgnData);
  64. }
  65. REGION* DSObjects::RMACreateRectRegion(int left, int top, int right, int bottom)
  66. {
  67. REGION* retVal = new REGION;
  68. retVal->pOSRegion = (void*)CreateRectRgn(left, top, right, bottom);
  69. ExtractRects(retVal);
  70. return retVal;
  71. }
  72. void DSObjects::RMASubtractRegion(REGION* regM, REGION* regS, REGION* regD)
  73. {
  74. CombineRgn((HRGN)regD->pOSRegion, (HRGN)regM->pOSRegion, (HRGN)regS->pOSRegion, RGN_DIFF);
  75. ExtractRects(regD);
  76. }
  77. void DSObjects::RMAUnionRegion(REGION* reg1, REGION* reg2, REGION* regD)
  78. {
  79. CombineRgn((HRGN)regD->pOSRegion, (HRGN)reg1->pOSRegion, (HRGN)reg2->pOSRegion, RGN_OR);
  80. ExtractRects(regD);
  81. }
  82. void DSObjects::RMAIntersectRegion(REGION* reg1, REGION* reg2, REGION* regD)
  83. {
  84. CombineRgn((HRGN)regD->pOSRegion, (HRGN)reg1->pOSRegion, (HRGN)reg2->pOSRegion, RGN_AND);
  85. ExtractRects(regD);
  86. }
  87. BOOL DSObjects::RMAEqualRegion(REGION* reg1, REGION* reg2)
  88. {
  89. return EqualRgn((HRGN)reg1->pOSRegion, (HRGN)reg2->pOSRegion)
  90. && !memcmp(&reg1->extents, &reg2->extents, sizeof(PNxRect)) ? TRUE : FALSE;
  91. }
  92. void DSObjects::RMADestroyRegion(REGION* reg)
  93. {
  94. if(reg) DeleteObject((HRGN)reg->pOSRegion),
  95. PN_VECTOR_DELETE(reg->rects);
  96. PN_DELETE(reg);
  97. }
  98. REGION* DSObjects::RMACreateRegion()
  99. {
  100. return RMACreateRectRegion(0,0,0,0);
  101. }
  103. //
  104. // CRealMediaWindowlessSite
  105. //
  107. CRealMediaWindowlessSite::CRealMediaWindowlessSite(HRESULT& hr, IUnknown* pContext, CRealMediaWindowlessSite* pParentSite, IUnknown* pUnkOuter)
  108. : CUnknown(NAME("CRealMediaWindowlessSite"), pUnkOuter, &hr)
  109. , m_pContext(pContext)
  110. , m_pParentSite(pParentSite)
  111. , m_pCCF(pContext)
  112. , m_fDamaged(false), m_fInRedraw(false), m_fIsVisible(true)
  113. , m_lZOrder(0)
  114. , m_pRegion(NULL), m_pRegionWithoutChildren(NULL)
  115. {
  116. m_size.cx = m_size.cy = 0;
  117. m_position.x = m_position.y = 0;
  119. memset(&m_lastBitmapInfo, 0, sizeof(m_lastBitmapInfo));
  121. hr = S_OK;
  123. if(!m_pContext || !m_pCCF)
  124. {
  125. hr = E_POINTER;
  126. return;
  127. }
  129. m_pCCF->CreateInstance(CLSID_IRMAValues, (void**)&m_pValues);
  130. }
  132. CRealMediaWindowlessSite::~CRealMediaWindowlessSite()
  133. {
  134. POSITION pos = m_pChildren.GetHeadPosition();
  135. while(pos) DestroyChild(m_pChildren.GetNext(pos));
  137. RMADestroyRegion(m_pRegion);
  138. RMADestroyRegion(m_pRegionWithoutChildren);
  139. }
  141. STDMETHODIMP CRealMediaWindowlessSite::NonDelegatingQueryInterface(REFIID riid, void** ppv)
  142. {
  143. return 
  144. QI2(IRMASite)
  145. QI2(IRMASite2)
  146. QI2(IRMASiteWindowless)
  147. QI2(IRMAVideoSurface)
  148. (m_pValues && m_pValues->QueryInterface(riid, ppv) == PNR_OK) ? PNR_OK :
  149. CUnknown::NonDelegatingQueryInterface(riid, ppv);
  150. }
  152. // public
  154. void CRealMediaWindowlessSite::GetTopLeft(PNxPoint* pPoint)
  155. {
  156. pPoint->x += m_position.x;
  157. pPoint->y += m_position.y;
  159. if(m_pParentSite)
  160. m_pParentSite->GetTopLeft(pPoint);
  161. }
  163. REGION* CRealMediaWindowlessSite::GetRegion()
  164. {
  165. return m_pRegion;
  166. }
  168. // private
  170. void CRealMediaWindowlessSite::RecomputeRegion()
  171. {
  172. if(m_pParentSite) m_pParentSite->RecomputeRegion();
  173. else InternalRecomputeRegion();
  174. }
  176. void CRealMediaWindowlessSite::InternalRecomputeRegion()
  177. {
  178. ComputeRegion();
  180. POSITION pos = m_pChildren.GetHeadPosition();
  181. while(pos)
  182. {
  183. CRealMediaWindowlessSite* pSite = (CRealMediaWindowlessSite*)(IRMASite*)m_pChildren.GetNext(pos);
  184. if(pSite) pSite->InternalRecomputeRegion();
  185. }
  186. }
  188. void CRealMediaWindowlessSite::ComputeRegion()
  189. {
  190. REGION* pTempRegion = NULL;
  192. if(m_pRegion)
  193. {
  194. pTempRegion = RMACreateRegion();
  195. RMAUnionRegion(pTempRegion, m_pRegion, pTempRegion);
  196. RMADestroyRegion(m_pRegion);
  197. }
  199. if(m_pRegionWithoutChildren)
  200. {
  201. RMADestroyRegion(m_pRegionWithoutChildren);
  202. }
  204. PNxPoint topleft = {0,0};
  205. GetTopLeft(&topleft);
  207. if(IsSiteVisible())
  208. {
  209. m_pRegionWithoutChildren = RMACreateRectRegion(topleft.x, topleft.y, topleft.x + m_size.cx, topleft.y + m_size.cy);
  211. if(m_pParentSite)
  212. {
  213. RMAIntersectRegion(m_pRegionWithoutChildren, m_pParentSite->m_pRegionWithoutChildren, m_pRegionWithoutChildren);
  215. POSITION pos = m_pParentSite->m_pChildren.GetHeadPosition();
  216.             while(pos)
  217. {
  218. CRealMediaWindowlessSite* pSiblingSite = (CRealMediaWindowlessSite*)(IRMASite*)m_pParentSite->m_pChildren.GetNext(pos);
  219. if(pSiblingSite != this)
  220. {
  221. INT32 zOrder;
  222. pSiblingSite->GetZOrder(zOrder);
  224. if(zOrder > m_lZOrder && pSiblingSite->IsSiteVisible())
  225. {
  226. pSiblingSite->SubtractSite(m_pRegionWithoutChildren);
  227. }
  228. }
  229. }
  230. }
  232. m_pRegion = RMACreateRegion();
  233. RMAUnionRegion(m_pRegion, m_pRegionWithoutChildren, m_pRegion);
  235. POSITION pos = m_pChildren.GetHeadPosition();
  236. while(pos)
  237. {
  238. CRealMediaWindowlessSite* pChildSite = (CRealMediaWindowlessSite*)(IRMASite*)m_pChildren.GetNext(pos);
  239. if(pChildSite->IsSiteVisible()) pChildSite->SubtractSite(m_pRegion);
  240. }
  241. }
  242. else
  243. {
  244. m_pRegionWithoutChildren = RMACreateRectRegion(0,0,0,0);
  245. m_pRegion = RMACreateRectRegion(0,0,0,0);
  246. }
  248. if(pTempRegion && !RMAEqualRegion(m_pRegion, pTempRegion))
  249. {
  250. ForceRedraw();
  251. }
  253. RMADestroyRegion(pTempRegion);
  254. }
  256. void CRealMediaWindowlessSite::SubtractSite(REGION* pRegion)
  257. {
  258. PNxPoint topLeft;
  259. memset(&topLeft, 0, sizeof(PNxPoint));
  260. GetTopLeft(&topLeft);
  262. REGION* pTempRegion = RMACreateRectRegion(topLeft.x, topLeft.y, topLeft.x + m_size.cx, topLeft.y + m_size.cy);
  264. RMASubtractRegion(pRegion, pTempRegion, pRegion);
  265. RMADestroyRegion(pTempRegion);
  266. }
  268. void CRealMediaWindowlessSite::UpdateZOrder(CRealMediaWindowlessSite* pUpdatedChildSite, INT32 lOldZOrder, INT32 lNewZOrder)
  269. {
  270. POSITION pos = m_pChildren.GetHeadPosition();
  271. while(pos)
  272. {
  273. CRealMediaWindowlessSite* pSite = (CRealMediaWindowlessSite*)(IRMASite*)m_pChildren.GetNext(pos);
  275. INT32 lItsOldZOrder;
  276. pSite->GetZOrder(lItsOldZOrder);
  278. if(pSite != pUpdatedChildSite)
  279. {
  280. if(lOldZOrder < lNewZOrder)
  281. {
  282. if(lItsOldZOrder >= lOldZOrder && lItsOldZOrder < lNewZOrder)
  283. {
  284. pSite->SetInternalZOrder(lItsOldZOrder-1);
  285. }
  286. }
  287. else
  288. {
  289. if(lItsOldZOrder >= lNewZOrder && lItsOldZOrder < lOldZOrder)
  290. {
  291. pSite->SetInternalZOrder(lItsOldZOrder+1);
  292. }
  293. }
  294. }
  295. else
  296. {
  297. pSite->SetInternalZOrder(lNewZOrder);
  298. }
  299. }
  300. }
  302. void CRealMediaWindowlessSite::SetInternalZOrder(INT32 lZOrder)
  303. {
  304. m_lZOrder = lZOrder;
  305. }
  307. // IRMASiteWindowless
  309. STDMETHODIMP CRealMediaWindowlessSite::EventOccurred(PNxEvent* /*IN*/ pEvent)
  310. {
  311. return PNR_NOTIMPL;  /* not necessary within our implementation */
  312. }
  314. STDMETHODIMP_(PNxWindow*) CRealMediaWindowlessSite::GetParentWindow()
  315. {
  316. return NULL;
  317. }
  319. // IRMASite
  321. STDMETHODIMP CRealMediaWindowlessSite::AttachUser(IRMASiteUser* /*IN*/ pUser)
  322. {
  323. HRESULT hr = PNR_FAIL;
  325. if(m_pUser) return PNR_UNEXPECTED;
  327. if(CComQIPtr<IRMASite, &IID_IRMASite> pOuterSite = GetOwner())
  328. hr = pUser->AttachSite(pOuterSite);
  330. if(PNR_OK == hr)
  331. m_pUser = pUser;
  333. return hr;
  334. }
  336. STDMETHODIMP CRealMediaWindowlessSite::DetachUser()
  337. {
  338. HRESULT hr = PNR_OK;
  340. if(!m_pUser) return PNR_UNEXPECTED;
  342. hr = m_pUser->DetachSite();
  344. if(PNR_OK == hr)
  345. m_pUser = NULL;
  347. return hr;
  348. }
  350. STDMETHODIMP CRealMediaWindowlessSite::GetUser(REF(IRMASiteUser*) /*OUT*/ pUser)
  351. {
  352. HRESULT hr = PNR_OK;
  354. if(!m_pUser) return PNR_UNEXPECTED;
  356. (pUser = m_pUser)->AddRef();
  358. return hr;
  359. }
  361. STDMETHODIMP CRealMediaWindowlessSite::CreateChild(REF(IRMASite*) /*OUT*/ pChildSite)
  362. {
  363. HRESULT hr = PNR_OK;
  365. CComPtr<IRMASite> pSite = 
  366. (IRMASite*)new CRealMediaWindowlessSite(hr, m_pContext, this);
  368. if(FAILED(hr) || !pSite)
  369. return E_FAIL;
  371. pChildSite = pSite.Detach();
  373. m_pChildren.AddTail(pChildSite);
  375. return hr;
  376. }
  378. STDMETHODIMP CRealMediaWindowlessSite::DestroyChild(IRMASite* /*IN*/ pChildSite)
  379. {
  380. if(POSITION pos = m_pChildren.Find(pChildSite))
  381. {
  382. m_pChildren.RemoveAt(pos);
  383. return PNR_OK;
  384. }
  386. return PNR_UNEXPECTED;
  387. }
  389. STDMETHODIMP CRealMediaWindowlessSite::AttachWatcher(IRMASiteWatcher* /*IN*/ pWatcher)
  390. {
  391. if(m_pWatcher) return PNR_UNEXPECTED;
  393. if(m_pWatcher = pWatcher)
  394. m_pWatcher->AttachSite((IRMASite*)this);
  396. return PNR_OK;
  397. }
  399. STDMETHODIMP CRealMediaWindowlessSite::DetachWatcher()
  400. {
  401. if(!m_pWatcher) return PNR_UNEXPECTED;
  403. m_pWatcher->DetachSite();
  404. m_pWatcher = NULL;
  406. return PNR_OK;
  407. }
  409. STDMETHODIMP CRealMediaWindowlessSite::SetPosition(PNxPoint position)
  410. {
  411. HRESULT hr = PNR_OK;
  413. if(m_pWatcher)
  414. {
  415. hr = m_pWatcher->ChangingPosition(m_position, position);
  416. }
  418. if(PNR_OK == hr)
  419. {
  420. m_position = position;
  422. POSITION pos = m_pPassiveWatchers.GetHeadPosition();
  423. while(pos) m_pPassiveWatchers.GetNext(pos)->PositionChanged(&position);
  425. RecomputeRegion();
  426. }
  428. return hr;
  429. }
  431. STDMETHODIMP CRealMediaWindowlessSite::GetPosition(REF(PNxPoint) position)
  432. {
  433. position = m_position;
  434. return PNR_OK;
  435. }
  437. STDMETHODIMP CRealMediaWindowlessSite::SetSize(PNxSize size)
  438. {
  439. HRESULT hr = PNR_OK;
  441. if(m_pWatcher)
  442. {
  443. hr = m_pWatcher->ChangingSize(m_size, size);
  444. }
  446. if(PNR_OK == hr && size.cx != 0 && size.cy != 0)
  447. {
  448. m_size = size;
  450. POSITION pos = m_pPassiveWatchers.GetHeadPosition();
  451. while(pos) m_pPassiveWatchers.GetNext(pos)->SizeChanged(&size);
  453. RecomputeRegion();
  454. }
  456. return hr;
  457. }
  459. STDMETHODIMP CRealMediaWindowlessSite::GetSize(REF(PNxSize) size)
  460. {
  461. size = m_size;
  462. return PNR_OK;
  463. }
  465. STDMETHODIMP CRealMediaWindowlessSite::DamageRect(PNxRect rect)
  466. {
  467. m_fDamaged = TRUE;
  468. return PNR_OK;
  469. }
  471. STDMETHODIMP CRealMediaWindowlessSite::DamageRegion(PNxRegion region)
  472. {
  473. m_fDamaged = TRUE;
  474. return PNR_OK;
  475. }
  477. STDMETHODIMP CRealMediaWindowlessSite::ForceRedraw()
  478. {
  479. // make sure we have a visible window and are not re-enterering and we have damage
  480. if(!m_fInRedraw && m_fDamaged && m_fIsVisible)
  481. {
  482. m_fInRedraw = TRUE; 
  484. PNxEvent event = {RMA_SURFACE_UPDATE, NULL, (IRMAVideoSurface*)this, NULL, 0, 0};
  485. m_pUser->HandleEvent(&event);
  487. m_fInRedraw = FALSE;
  488. m_fDamaged = FALSE;
  489. }
  491. return PNR_OK;
  492. }
  494. // IRMASite2
  496. STDMETHODIMP CRealMediaWindowlessSite::UpdateSiteWindow(PNxWindow* /*IN*/ pWindow)
  497. {
  498. return PNR_OK;
  499. }
  501. STDMETHODIMP CRealMediaWindowlessSite::ShowSite(BOOL bShow)
  502. {
  503. m_fIsVisible = !!bShow;
  504. RecomputeRegion();
  505. return PNR_OK;
  506. }
  508. STDMETHODIMP_(BOOL) CRealMediaWindowlessSite::IsSiteVisible()
  509. {
  510. BOOL fIsVisible = m_fIsVisible;
  511. if(m_pParentSite) fIsVisible = fIsVisible && m_pParentSite->IsSiteVisible();
  512. return fIsVisible;
  513. }
  515. STDMETHODIMP CRealMediaWindowlessSite::SetZOrder(INT32 lZOrder)
  516. {
  517. if(!m_pParentSite) return PNR_UNEXPECTED;
  519. if(lZOrder == -1 || lZOrder >= (INT32)m_pParentSite->GetNumberOfChildSites())
  520. lZOrder = m_pParentSite->GetNumberOfChildSites() - 1; 
  522. if(m_lZOrder != lZOrder)
  523. m_pParentSite->UpdateZOrder(this, m_lZOrder, lZOrder);
  525. m_lZOrder = lZOrder;
  527. return PNR_OK;
  528. }
  530. STDMETHODIMP CRealMediaWindowlessSite::GetZOrder(REF(INT32) lZOrder)
  531. {
  532. if(!m_pParentSite) return PNR_UNEXPECTED;
  533. lZOrder = m_lZOrder;
  534. return PNR_OK;
  535. }
  537. STDMETHODIMP CRealMediaWindowlessSite::MoveSiteToTop()
  538. {
  539. if(!m_pParentSite) return PNR_UNEXPECTED;
  540. return PNR_NOTIMPL;
  541. }
  543. STDMETHODIMP CRealMediaWindowlessSite::GetVideoSurface(REF(IRMAVideoSurface*) pSurface)
  544. {
  545. (pSurface = (IRMAVideoSurface*)this)->AddRef();
  546. return PNR_OK;
  547. }
  549. STDMETHODIMP_(UINT32) CRealMediaWindowlessSite::GetNumberOfChildSites()
  550. {
  551. return (UINT32)m_pChildren.GetCount();
  552. }
  554. STDMETHODIMP CRealMediaWindowlessSite::AddPassiveSiteWatcher(IRMAPassiveSiteWatcher* pWatcher)
  555. {
  556. m_pPassiveWatchers.AddTail(pWatcher);
  557. return PNR_OK;
  558. }
  560. STDMETHODIMP CRealMediaWindowlessSite::RemovePassiveSiteWatcher(IRMAPassiveSiteWatcher* pWatcher)
  561. {
  562. if(POSITION pos = m_pPassiveWatchers.Find(pWatcher))
  563. {
  564. m_pPassiveWatchers.RemoveAt(pos);
  565. return PNR_OK;
  566. }
  568. return PNR_UNEXPECTED;
  569. }
  571. STDMETHODIMP CRealMediaWindowlessSite::SetCursor(PNxCursor cursor, REF(PNxCursor) oldCursor)
  572. {
  573. return PNR_NOTIMPL;
  574. }
  576. // private
  578. void CRealMediaWindowlessSite::IntersectRect(PNxRect* pRect, PNxRect* pBox, PNxRect* pRetVal)
  579. {
  580. pRetVal->left   = max(pRect->left, pBox->left);
  581. pRetVal->top    = max(pRect->top, pBox->top);
  582. pRetVal->right  = min(pRect->right, pBox->right);
  583. pRetVal->bottom = min(pRect->bottom, pBox->bottom);
  584. }
  586. // protected
  588. bool CRealMediaWindowlessSite::GetBltService(IRMAVideoSurface** ppBltService)
  589. {
  590. bool fRet = false;
  592. if(ppBltService)
  593. {
  594. if(m_pParentSite)
  595. {
  596. fRet = m_pParentSite->GetBltService(ppBltService);
  597.     }
  598.     else if(m_pBltService)
  599. {
  600. (*ppBltService = m_pBltService)->AddRef();
  601. fRet = true;
  602. }
  603. }
  604.        
  605. return(fRet);
  606. }
  608. void CRealMediaWindowlessSite::SetBltService(IRMAVideoSurface* pBltService)
  609. {
  610. m_pBltService = pBltService; 
  611. }
  613. // IRMAVideoSurface
  615. STDMETHODIMP CRealMediaWindowlessSite::Blt(UCHAR* /*IN*/ pImageData, RMABitmapInfoHeader* /*IN*/ pBitmapInfo, REF(PNxRect) /*IN*/ inDestRect, REF(PNxRect) /*IN*/ inSrcRect)
  616. {
  617. BeginOptimizedBlt(pBitmapInfo);
  618. return OptimizedBlt(pImageData, inDestRect, inSrcRect);
  619. }
  621. STDMETHODIMP CRealMediaWindowlessSite::BeginOptimizedBlt(RMABitmapInfoHeader* /*IN*/ pBitmapInfo)
  622. {
  623. if(memcmp(&m_bitmapInfo, pBitmapInfo, sizeof(RMABitmapInfoHeader)))
  624. {
  625. memcpy(&m_bitmapInfo, pBitmapInfo, sizeof(RMABitmapInfoHeader));
  627.         // format of image has changed somehow.
  628. // do something here if this affects you.
  629. }
  631. /*
  632. CComPtr<IRMAVideoSurface> pBltService;
  633. GetBltService(&pBltService);
  634. if(!pBltService)
  635. return PNR_UNEXPECTED;
  637. RMA_COMPRESSION_TYPE ulType = (RMA_COMPRESSION_TYPE)-1;
  638. pBltService->GetPreferredFormat(ulType);
  640. if(pBitmapInfo->biCompression != ulType)
  641. return PNR_UNEXPECTED;
  642. */
  643. return PNR_OK;
  644. }
  646. STDMETHODIMP CRealMediaWindowlessSite::OptimizedBlt(UCHAR* /*IN*/ pImageBits, REF(PNxRect) /*IN*/ rDestRect, REF(PNxRect) /*IN*/ rSrcRect)
  647. {
  648. CComPtr<IRMAVideoSurface> pBltService;
  649. GetBltService(&pBltService);
  651. REGION* pRegion = GetRegion();
  653. if(!pBltService || !pRegion)
  654. return PNR_UNEXPECTED;
  656. PNxPoint origin;
  657. memset(&origin, 0, sizeof(PNxPoint));
  658. GetTopLeft(&origin);
  659. PNxRect adjustedDestRect;
  660. adjustedDestRect.left   = rDestRect.left + origin.x;
  661. adjustedDestRect.top    = rDestRect.top + origin.y;
  662. adjustedDestRect.right  = rDestRect.right + origin.x;
  663. adjustedDestRect.bottom = rDestRect.bottom + origin.y;
  665. for(int i = 0; i < pRegion->numRects; i++)
  666. {
  667. PNxRect* pRect = pRegion->rects+i;
  669. // intersect the dest rect with the rect from the
  670. // region to get the final dest rect.
  671. PNxRect finalDestRect;
  672. IntersectRect(&adjustedDestRect, pRect, &finalDestRect);
  674.         // now compute the src rect for this blt.
  675. double xStretch = (double) (rDestRect.right - rDestRect.left) / (double) (rSrcRect.right - rSrcRect.left);
  676. double yStretch = (double) (rDestRect.bottom - rDestRect.top) / (double) (rSrcRect.bottom - rSrcRect.top);
  678. PNxRect finalSrcRect;
  679. finalSrcRect.left   = (INT32)((double)(finalDestRect.left-origin.x) / xStretch + 0.5);
  680. finalSrcRect.top    = (INT32)((double)(finalDestRect.top-origin.y) / yStretch + 0.5);
  681. finalSrcRect.right  = (INT32)((double)(finalDestRect.right-origin.x) / xStretch + 0.5);
  682. finalSrcRect.bottom = (INT32)((double)(finalDestRect.bottom-origin.y) / yStretch + 0.5);
  684. pBltService->Blt(pImageBits, &m_bitmapInfo, finalDestRect, finalSrcRect);
  685. }
  687. return PNR_OK;
  688. }
  690. STDMETHODIMP CRealMediaWindowlessSite::EndOptimizedBlt()
  691. {
  692. memset(&m_bitmapInfo, 0, sizeof(m_bitmapInfo));
  693. return PNR_OK;
  694. }
  696. STDMETHODIMP CRealMediaWindowlessSite::GetOptimizedFormat(REF(RMA_COMPRESSION_TYPE) /*OUT*/ ulType)
  697. {
  698. ulType =  m_bitmapInfo.biCompression;
  699. return PNR_OK;
  700. }
  702. STDMETHODIMP CRealMediaWindowlessSite::GetPreferredFormat(REF(RMA_COMPRESSION_TYPE) /*OUT*/ ulType)
  703. {
  704. CComPtr<IRMAVideoSurface> pBltService;
  705. GetBltService(&pBltService);
  706. if(!pBltService)
  707. return PNR_UNEXPECTED;
  709. return pBltService->GetPreferredFormat(ulType);
  710. }