tkwingdi.c

linux系统下的音频通信

      }
    }
    CkGraphCreateObject(type,(ClientData)hdcmem,file,line);
    tkWinGdi_CreateCompatibleDC++;
  }
  GTRACE(("%d:CreateCompatibleDC(0x%x) return 0x%x in %s %d\n",tkWinGdi_CreateCompatibleDC,hdc,hdcmem,file,line);)
#endif
  CkGraphCreateDeviceContext(CKOBJ_MEMDC,hdcmem);
  return hdcmem;
}
#ifdef CKGRAPH_DEBUG
int CkGraph_DeleteDC(HDC hdc,char* file,int line)
#else
int CkGraph_DeleteDC(HDC hdc)
#endif
{
  int result;
#ifdef CKGRAPH_DEBUG
  int type;
  if(!Wtk_test_win32s()){
    if((type=GetObjectType(hdc))!=CKOBJ_MEMDC && type!=CKOBJ_DC ){
      dprintf("ObjectType in DeleteDC is %s\n",obj_type(type));
    }
  } 
#endif
  /*select out the palette because otherwise the deletion of the
    palette sometimes fail*/
  SelectPalette(hdc,stock_DEFAULT_PALETTE,TRUE);
  result=DeleteDC(hdc);
#ifdef CKGRAPH_DEBUG
  if(!result)
    dprintf("CkDeleteDC failed in %s %d\n",file,line);
  CkGraphDeleteObject(type,(ClientData)hdc,file,line);
  tkWinGdi_DeleteDC++;
  GTRACE(("%d:DeleteDC(0x%x) return 0x%x in %s %d\n",tkWinGdi_DeleteDC,hdc,result,file,line);)
#endif
  CkGraphDeleteDeviceContext(hdc);
  return result;
}
#ifdef CKGRAPH_DEBUG
HDC CkGraph_BeginPaint(HWND hwnd,LPPAINTSTRUCT lpps,char* file,int line)
#else
HDC CkGraph_BeginPaint(HWND hwnd,LPPAINTSTRUCT lpps)
#endif
{
  HDC hdc;
  if((hdc=BeginPaint(hwnd,lpps))==(HDC)0){
#ifdef CKGRAPH_DEBUG
    dprintf("CkBeginPaint failed in %s %d\n",file,line);
#endif
    return (HDC)0;
  }
#ifdef CKGRAPH_DEBUG
  CkGraphCreateObject(CKOBJ_DC,(ClientData)hdc,file,line);
  tkWinGdi_BeginPaint++;
  GTRACE(("%d:BeginPaint(0x%x,..) return 0x%x in %s %d\n",tkWinGdi_BeginPaint,hwnd,hdc,file,line);)
#endif
  CkGraphCreateDeviceContext(CKOBJ_DC,hdc);
  return hdc;
}

#ifdef CKGRAPH_DEBUG
BOOL CkGraph_EndPaint(HWND hwnd, PAINTSTRUCT* lpPaint,char* file,int line)
#else
BOOL CkGraph_EndPaint(HWND hwnd, PAINTSTRUCT* lpPaint)
#endif
{
  HDC hdc=lpPaint->hdc;
  BOOL result;
  result=EndPaint(hwnd,lpPaint);
#ifdef CKGRAPH_DEBUG
  if(result==FALSE)
    dprintf("CkEndPaint failed in %s %d\n",file,line);
  CkGraphDeleteObject(CKOBJ_DC,(ClientData)hdc,file,line);
  tkWinGdi_EndPaint++;
  GTRACE(("%d:EndPaint(0x%x,..) return 0x%x in %s %d\n",tkWinGdi_EndPaint,hwnd,result,file,line);)
#endif
  CkGraphDeleteDeviceContext(hdc);
  return result;
}
#ifdef CKGRAPH_DEBUG
HGDIOBJ CkGraph_SelectObject(HDC hdc,HGDIOBJ hobj_in,char* file,int line)
#else
HGDIOBJ CkGraph_SelectObject(HDC hdc,HGDIOBJ hobj_in)
#endif
{
  HGDIOBJ hobj_out;
  int typein;
  int typeout;
  GdiContext *devPtr=FINDCONTEXT(hdc);
  /*regions are not considered here*/
  if(Wtk_test_win32s()){
    dprintf("CkSelectObject called under win32s"
#ifdef CKGRAPH_DEBUG
            " in %s %d\n",file,line
#endif
           );
  }
  if((hobj_out=SelectObject(hdc,hobj_in))==(HGDIOBJ)0){
#ifdef CKGRAPH_DEBUG
    dprintf("CkSelectObject failed in %s %d\n",file,line);
#endif
    return (HGDIOBJ)0;
  }
  //GetObjectType only runs well under NT and Win95 not Win32s
  //use the CkGraph_Selectxx functions instead
  typein=convert_gdiobjtype(GetObjectType(hobj_in));
  typeout=convert_gdiobjtype(GetObjectType(hobj_out));
  if(devPtr && typein>=0 && typein<MAXGDIOBJ){
    devPtr->hobjs[typein]=hobj_in;
    if(typeout==CKOBJ_BITMAP && !devPtr->defaultbitmap)
      devPtr->defaultbitmap=hobj_out;
  }
  /*
  if(!(CkGraphFindObject(typein,hobj_in) || CkGraphFindObject(typeout,hobj_out))){
    if(!(is_stockobject(typein,hobj_in) || is_stockobject(typeout,hobj_out)))
      dprintf("CkSelectObject with handles not from us in %s %d\n",file,line);
  }
  */
#ifdef CKGRAPH_DEBUG
  tkWinGdi_SelectObject++;
  GTRACE(("%d:SelectObject(0x%x,0x%x) return 0x%x in %s %d\n",tkWinGdi_SelectObject,hdc,hobj_in,hobj_out,file,line);)
#endif
  return hobj_out;
}
#ifdef CKGRAPH_DEBUG
HBITMAP CkGraph_SelectBitmap(HDC hdc,HBITMAP hbitmap,char* file,int line)
#else
HBITMAP CkGraph_SelectBitmap(HDC hdc,HBITMAP hbitmap)
#endif /*CKGRAPH_DEBUG*/
{
   GdiContext *devPtr=FINDCONTEXT(hdc);
   GdiContext *dcPtr;
   HBITMAP hout;
   if(!hbitmap){
#ifdef CKGRAPH_DEBUG
     dprintf("No bitmap in CkGraph_SelectBitmap for %s %d\n",file,line);
#else
     dprintf("No bitmap in CkGraph_SelectBitmap\n");
#endif
     return (HBITMAP)0;
   }
   //if already selected,make a simple return
   if(devPtr && devPtr->hobjs[CKOBJ_BITMAP]==(HGDIOBJ)hbitmap){
#ifdef CKGRAPH_DEBUG
     //check, if we REALLY assume this  correct!
     if(SelectObject(hdc,devPtr->defaultbitmap)!=hbitmap)
       dprintf("bitmap 0x%x not selected into 0x%x\n",hbitmap,hdc);
     hbitmap=SelectObject(hdc,hbitmap);
#endif
     return hbitmap;
   }
   //check for defaultbitmap
   //there are seldom cases,where the defaultbitmap of another
   //hdc is selected into a hdc with a defaultbitmap==0,where the
   //tests not work
   if(devPtr && hbitmap!=devPtr->defaultbitmap){
     //only one bitmap per hdc,check it
     for (dcPtr = devHead ;dcPtr;dcPtr=dcPtr->next){
       if(dcPtr==devPtr)
         continue;
       if(dcPtr->hobjs[CKOBJ_BITMAP]==(HGDIOBJ)hbitmap){
#ifdef CKGRAPH_DEBUG
         if(tkWinGdi_verbose>1){
           GdiObj *objPtr=CkGraphFindObject(dcPtr->type,(ClientData)dcPtr->hdc);
           dprintf("SelectBitmap(0x%x):%s %d,found another hdc 0x%x %s %d with the same bitmap,def=0x%x\n",
                  hbitmap,file,line,dcPtr->hdc,objPtr?objPtr->file:"??",objPtr?objPtr->line:0,dcPtr->defaultbitmap);
         }
#endif
#ifdef CKGRAPH_DEBUG
         hout=SelectObject(dcPtr->hdc,dcPtr->defaultbitmap);
#else
         SelectObject(dcPtr->hdc,dcPtr->defaultbitmap);
#endif

#ifdef CKGRAPH_DEBUG
         tkWinGdi_SelectBitmap++;
         GTRACE(("%d:SelectBitmapO(0x%x,0x%x) return 0x%x in %s %d\n",tkWinGdi_SelectBitmap,dcPtr->hdc,dcPtr->defaultbitmap,hout,file,line);)
#endif
         dcPtr->hobjs[CKOBJ_BITMAP]=dcPtr->defaultbitmap;
         break;
       }
     }
   }
   hout=(HBITMAP)SelectObject(hdc,(HGDIOBJ)hbitmap);
   if(hout && devPtr){
     devPtr->hobjs[CKOBJ_BITMAP]=(HGDIOBJ)hbitmap;
     if(!devPtr->defaultbitmap)
       devPtr->defaultbitmap=hout;
   }
#ifdef CKGRAPH_DEBUG
  tkWinGdi_SelectBitmap++;
  if(!hout)
     dprintf("SelectBitmap failed in %s %d\n",file,line);
  GTRACE(("%d:SelectBitmap(0x%x,0x%x) return 0x%x in %s %d\n",tkWinGdi_SelectBitmap,hdc,hbitmap,hout,file,line);)
#endif
   return hout;
}
/*
  look for a bitmap already selected into a registered dc
  and deselect this bitmap from the dc
*/
#ifdef CKGRAPH_DEBUG
void CkGraph_CheckOutBitmap(HBITMAP hbitmap,char* file,int line)
#else
void CkGraph_CheckOutBitmap(HBITMAP hbitmap)
#endif /*CKGRAPH_DEBUG*/
{
  GdiContext *dcPtr;
  for (dcPtr = devHead ;dcPtr;dcPtr=dcPtr->next){
    if(dcPtr->hobjs[CKOBJ_BITMAP]==(HGDIOBJ)hbitmap){
#ifdef CKGRAPH_DEBUG
      GdiObj *objPtr=CkGraphFindObject(dcPtr->type,(ClientData)dcPtr->hdc);
      dprintf("CheckOutBitmap(0x%x):%s %d,found another hdc 0x%x %s %d with the same bitmap,def=0x%x\n",
              hbitmap,file,line,dcPtr->hdc,objPtr?objPtr->file:"??",objPtr?objPtr->line:0,dcPtr->defaultbitmap);
#endif
      SelectObject(dcPtr->hdc,dcPtr->defaultbitmap);
      dcPtr->hobjs[CKOBJ_BITMAP]=dcPtr->defaultbitmap;
      break;
    }
  }
}

#ifdef CKGRAPH_DEBUG
HPEN CkGraph_SelectPen(HDC hdc,HPEN hpen,char* file,int line)
#else
HPEN CkGraph_SelectPen(HDC hdc,HPEN hpen)
#endif /*CKGRAPH_DEBUG*/
{
   GdiContext *devPtr=FINDCONTEXT(hdc);
   HPEN hout;
   //if already selected,make a simple return
   if(devPtr && devPtr->hobjs[CKOBJ_PEN]==(HGDIOBJ)hpen){
#ifdef CKGRAPH_DEBUG
     if((hout=(HPEN)SelectObject(hdc,(HGDIOBJ)stock_NULL_PEN))!=hpen){
       dprintf("pen is 0x%x, should be 0x%x in %s %d\n",hout,hpen,file,line);
     }
     hpen=(HPEN)SelectObject(hdc,(HGDIOBJ)hpen);
#endif
     return hpen;
   }
   hout=(HPEN)SelectObject(hdc,(HGDIOBJ)hpen);
   if(hout && devPtr)
     devPtr->hobjs[CKOBJ_PEN]=(HGDIOBJ)hpen;
#ifdef CKGRAPH_DEBUG
  tkWinGdi_SelectPen++;
   if(!hout)
     dprintf("CkSelectPen failed in %s %d\n",file,line);
   GTRACE(("%d:SelectPen(0x%x,0x%x) return 0x%x in %s %d\n",tkWinGdi_SelectPen,hdc,hpen,hout,file,line);)
#endif
  return hout;
}
#ifdef CKGRAPH_DEBUG
HBRUSH CkGraph_SelectBrush(HDC hdc,HBRUSH hbrush,char* file,int line)
#else
HBRUSH CkGraph_SelectBrush(HDC hdc,HBRUSH hbrush)
#endif /*CKGRAPH_DEBUG*/
{
   GdiContext *devPtr=FINDCONTEXT(hdc);
   HBRUSH hout;
   //if already selected,make a simple return
   if(devPtr && devPtr->hobjs[CKOBJ_BRUSH]==(HGDIOBJ)hbrush){
#ifdef CKGRAPH_DEBUG
     if((hout=SelectObject(hdc,stock_NULL_BRUSH))!=hbrush)
       dprintf("brush is 0x%x, should be 0x%x in %s %d\n",hout,hbrush,file,line);
     hbrush=SelectObject(hdc,hbrush);
#endif
     return hbrush;
   }
   hout=(HBRUSH)SelectObject(hdc,(HGDIOBJ)hbrush);
   if(hout && devPtr)
     devPtr->hobjs[CKOBJ_BRUSH]=(HGDIOBJ)hbrush;
#ifdef CKGRAPH_DEBUG
   tkWinGdi_SelectBrush++;
   if(!hout)
     dprintf("CkSelectBrush failed in %s %d\n",file,line);
   GTRACE(("%d:SelectBrush(0x%x,0x%x) return 0x%x in %s %d\n",tkWinGdi_SelectBrush,hdc,hbrush,hout,file,line);)
#endif
  return hout;
}
#ifdef CKGRAPH_DEBUG
int CkGraph_SelectClipRgn(HDC hdc,HRGN hrgn,char* file,int line)
#else
int CkGraph_SelectClipRgn(HDC hdc,HRGN hrgn)
#endif /*CKGRAPH_DEBUG*/
{
   GdiContext *devPtr=FINDCONTEXT(hdc);
   int result;
   /*
    * if the region is already selected,make a simple return
    */
   if(devPtr && devPtr->hrgn==hrgn)
     return devPtr->hrgntype;
   result=SelectClipRgn(hdc,hrgn);
   if(result!=ERROR && devPtr) {
     devPtr->hrgn=hrgn;
     devPtr->hrgntype=result;
   }
   /*
    * reset the offsets to mark them invalid
    */
   if(devPtr) {
     devPtr->hrgn_xoff=0;
     devPtr->hrgn_yoff=0;
   }
#ifdef CKGRAPH_DEBUG
   tkWinGdi_SelectClipRgn++;
   if(result==ERROR)
     dprintf("CkSelectClipRgn failed in %s %d\n",file,line);
   GTRACE(("%d:SelectClipRgn(0x%x,0x%x) return 0x%x in %s %d\n",tkWinGdi_SelectClipRgn,hdc,hrgn,result,file,line);)
#endif
  return result;
}
#ifdef CKGRAPH_DEBUG
int CkGraph_OffsetClipRgn(HDC hdc,int xoff,int yoff,char* file,int line)
#else
int CkGraph_OffsetClipRgn(HDC hdc,int xoff,int yoff)
#endif /*CKGRAPH_DEBUG*/
{
   GdiContext *devPtr=FINDCONTEXT(hdc);
   int result;
   /*
    * if the offsets don't differ make a simple return
    * however in the case of xoff==yoff==0 we force an Offset
    * because a previous selecting might be invoked before
    */
   if(devPtr && devPtr->hrgn_xoff==xoff && devPtr->hrgn_yoff==yoff
      && xoff!=0 && yoff!=0 ) {
     return devPtr->hrgntype;
   }
   result=OffsetClipRgn(hdc,xoff,yoff);
   if(result!=ERROR && devPtr) {
     devPtr->hrgn_xoff=xoff;
     devPtr->hrgn_yoff=yoff;
   }
#ifdef CKGRAPH_DEBUG
   tkWinGdi_OffsetClipRgn++;
   if(result==ERROR)
     dprintf("CkOffsetClipRgn failed in %s %d\n",file,line);
   GTRACE(("%d:OffsetClipRgn(0x%x,%d,%d) return 0x%x in %s %d\n",tkWinGdi_OffsetClipRgn,hdc,xoff,yoff,result,file,line);)
#endif
  return result;
}
#ifdef CKGRAPH_DEBUG
HPALETTE CkGraph_SelectPalette(HDC hdc,HPALETTE hpal,BOOL f,char* file,int line)
#else
HPALETTE CkGraph_SelectPalette(HDC hdc,HPALETTE hpal,BOOL f)
#endif /*CKGRAPH_DEBUG*/
{
   GdiContext *devPtr=FINDCONTEXT(hdc);
   HPALETTE hout;
   //if already selected,make a simple return
   if(devPtr && devPtr->hobjs[CKOBJ_PAL]==(HGDIOBJ)hpal){
#ifdef CKGRAPH_DEBUG
     if((hout=SelectPalette(hdc,stock_DEFAULT_PALETTE,f))!=hpal)
       dprintf("palette is 0x%x,should be 0x%x in %s %d\n",hout,hpal,file,line);
     hpal=SelectPalette(hdc,hpal,f);
#endif
     return hpal;
   }
   hout=SelectPalette(hdc,hpal,f);
   if(hout && devPtr){
     devPtr->hobjs[CKOBJ_PAL]=(HGDIOBJ)hpal;
     devPtr->palettevalid=0;
/*
     if(!devPtr->defaultpalette){
       devPtr->defaultpalette=hout;
       if(hout==stock_DEFAULT_PALETTE){
         dprintf("Default palette was selected\n");
       }
     }
*/
   }
#ifdef CKGRAPH_DEBUG
   tkWinGdi_SelectPalette++;
   if(!hout)
     dprintf("CkSelectPalette failed in %s %d\n",file,line);
   GTRACE(("%d:SelectPalette(0x%x,0x%x,%d) return 0x%x in %s %d\n",tkWinGdi_SelectPalette,hdc,hpal,f,hout,file,line);)
#endif
  return hout;
}

#ifdef CKGRAPH_DEBUG
UINT CkGraph_RealizePalette(HDC hdc,char* file,int line)
#else
UINT CkGraph_RealizePalette(HDC hdc)
#endif /*CKGRAPH_DEBUG*/
{
  UINT numcolors;
  GdiContext *devPtr=FINDCONTEXT(hdc);
  if (devPtr && devPtr->type==CKOBJ_MEMDC && devPtr->palettevalid==1){
    return 0;
  }
  numcolors=RealizePalette(hdc);
#ifdef CKGRAPH_DEBUG
  tkWinGdi_RealizePalette++;
  if(numcolors==GDI_ERROR)
    dprintf("CkRealizePalette failed in %s %d\n",file,line);
   GTRACE(("%d:RealizePalette(0x%x) return %d in %s %d\n",tkWinGdi_RealizePalette,hdc,numcolors,file,line);)
#endif
  if (devPtr && devPtr->type==CKOBJ_MEMDC){
    devPtr->palettevalid=1;
  }
  return numcolors;
}
static void InvalidateSelectedPalette(HPALETTE hPal){
  GdiContext *dcPtr;
  for (dcPtr = devHead ;dcPtr;dcPtr=dcPtr->next){
    if(dcPtr->hobjs[CKOBJ_PAL]==hPal)
      dcPtr->palettevalid=0;
  }
}
#ifdef CKGRAPH_DEBUG
UINT CkGraph_SetPaletteEntries(HPALETTE hPal,UINT iStart,UINT cEntries ,
               CONST PALETTEENTRY* lppe,char* file,int line)
#else
UINT CkGraph_SetPaletteEntries(HPALETTE hPal,UINT iStart,UINT cEntries ,
               CONST PALETTEENTRY* lppe)
#endif /*CKGRAPH_DEBUG*/