src/subpic/SimpleSubPicWrapper.cpp

   1 #include "stdafx.h"
   2 #include "SimpleSubPicWrapper.h"
   3
   4 //////////////////////////////////////////////////////////////////////////
   5 //
   6 // SimpleSubPicWrapper
   7 //
   8
   9 SimpleSubPicWrapper::SimpleSubPicWrapper( ISubPicEx * inner_obj )
  10     : CUnknown(NAME("SimpleSubPicWrapper"), NULL)
  11     , m_inner_obj(inner_obj)
  12 {
  13
  14 }
  15
  16 SimpleSubPicWrapper::SimpleSubPicWrapper( ISubPic* inner_obj )
  17     : CUnknown(NAME("SimpleSubPicWrapper"), NULL)
  18     , m_inner_obj2(inner_obj)
  19 {
  20
  21 }
  22
  23 STDMETHODIMP SimpleSubPicWrapper::NonDelegatingQueryInterface( REFIID riid, void** ppv )
  24 {
  25     return
  26         QI(ISimpleSubPic)
  27         __super::NonDelegatingQueryInterface(riid, ppv);
  28 }
  29
  30 STDMETHODIMP SimpleSubPicWrapper::AlphaBlt(SubPicDesc* target)
  31 {
  32     if (m_inner_obj)
  33     {
  34         CAtlList<const CRect> rect_list;
  35         m_inner_obj->GetDirtyRects(rect_list);
  36
  37         POSITION pos = rect_list.GetHeadPosition();
  38         while(pos!=NULL)
  39         {
  40             const CRect& rect = rect_list.GetNext(pos);
  41             m_inner_obj->AlphaBlt(rect, rect, target);
  42         }
  43     }
  44     else if (m_inner_obj2)
  45     {
  46         CRect r;
  47         m_inner_obj2->GetDirtyRect(r);
  48
  49         m_inner_obj2->AlphaBlt(r, r, target);
  50     }
  51
  52     return S_OK;
  53 }