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fixed memory leak and optimized GetSubBitmap (Kudos to Eric Lavigne)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11955 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2001-10-12 16:11:12 +00:00
parent 4cd411faee
commit 85f296a342
2 changed files with 48 additions and 34 deletions
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41
src/mac/carbon/bitmap.cpp
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@@ -199,33 +199,34 @@ wxBitmapRefData::wxBitmapRefData()
m_bitmapType = kMacBitmapTypeUnknownType ;
}
wxBitmapRefData::~wxBitmapRefData()
// TODO move this do a public function of Bitmap Ref
static void DisposeBitmapRefData(wxBitmapRefData *data)
{
switch (m_bitmapType)
switch (data->m_bitmapType)
{
case kMacBitmapTypePict :
{
if ( m_hPict )
if ( data->m_hPict )
{
KillPicture( m_hPict ) ;
m_hPict = NULL ;
KillPicture( data->m_hPict ) ;
data->m_hPict = NULL ;
}
}
break ;
case kMacBitmapTypeGrafWorld :
{
if ( m_hBitmap )
if ( data->m_hBitmap )
{
wxMacDestroyGWorld( m_hBitmap ) ;
m_hBitmap = NULL ;
wxMacDestroyGWorld( data->m_hBitmap ) ;
data->m_hBitmap = NULL ;
}
}
break ;
case kMacBitmapTypeIcon :
if ( m_hIcon )
if ( data->m_hIcon )
{
DisposeCIcon( m_hIcon ) ;
m_hIcon = NULL ;
DisposeCIcon( data->m_hIcon ) ;
data->m_hIcon = NULL ;
}
default :
@@ -233,13 +234,18 @@ wxBitmapRefData::~wxBitmapRefData()
break ;
}
if (m_bitmapMask)
if (data->m_bitmapMask)
{
delete m_bitmapMask;
m_bitmapMask = NULL;
delete data->m_bitmapMask;
data->m_bitmapMask = NULL;
}
}
wxBitmapRefData::~wxBitmapRefData()
{
DisposeBitmapRefData( this ) ;
}
wxList wxBitmapBase::sm_handlers;
@@ -438,7 +444,7 @@ wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
RGBColor color;
bitmap = GetHBITMAP();
subbitmap = wxMacCreateGWorld(rect.width, rect.height, GetDepth());
subbitmap = ref->m_hBitmap ;
LockPixels(GetGWorldPixMap(bitmap));
LockPixels(GetGWorldPixMap(subbitmap));
@@ -454,7 +460,6 @@ wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
}
UnlockPixels(GetGWorldPixMap(bitmap));
UnlockPixels(GetGWorldPixMap(subbitmap));
ret.SetHBITMAP(subbitmap);
}
}
SetGWorld( origPort, origDevice );
@@ -487,9 +492,11 @@ int wxBitmap::GetBitmapType() const
void wxBitmap::SetHBITMAP(WXHBITMAP bmp)
{
DisposeBitmapRefData( M_BITMAPDATA ) ;
M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
M_BITMAPDATA->m_hBitmap = bmp ;
M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ;
M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ;
}
bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type)