X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4cbc57f086cee690f397ac5622d3f1d7153b300e..6f0344c7ff90ee54cc03a9df0f6d9f8e1f6b4897:/contrib/src/fl/antiflickpl.cpp diff --git a/contrib/src/fl/antiflickpl.cpp b/contrib/src/fl/antiflickpl.cpp index 12ce48a1a7..4e66a7832c 100644 --- a/contrib/src/fl/antiflickpl.cpp +++ b/contrib/src/fl/antiflickpl.cpp @@ -6,7 +6,7 @@ // Created: 23/10/98 // RCS-ID: $Id$ // Copyright: (c) Aleksandras Gluchovas -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -32,8 +32,8 @@ IMPLEMENT_DYNAMIC_CLASS( cbAntiflickerPlugin, cbPluginBase ) BEGIN_EVENT_TABLE( cbAntiflickerPlugin, cbPluginBase ) - EVT_PL_START_DRAW_IN_AREA ( cbAntiflickerPlugin::OnStartDrawInArea ) - EVT_PL_FINISH_DRAW_IN_AREA ( cbAntiflickerPlugin::OnFinishDrawInArea ) + EVT_PL_START_DRAW_IN_AREA ( cbAntiflickerPlugin::OnStartDrawInArea ) + EVT_PL_FINISH_DRAW_IN_AREA ( cbAntiflickerPlugin::OnFinishDrawInArea ) END_EVENT_TABLE() @@ -49,188 +49,185 @@ wxMemoryDC* cbAntiflickerPlugin::mpHorizBufDc = 0; // constructors cbAntiflickerPlugin::cbAntiflickerPlugin(void) - : mpLRUBufDc ( NULL ), - mLRUArea ( -1,-1, -1,-1 ) + : mpLRUBufDc ( NULL ), + mLRUArea ( -1,-1, -1,-1 ) { - ++mRefCount; + ++mRefCount; } cbAntiflickerPlugin::cbAntiflickerPlugin( wxFrameLayout* pPanel, int paneMask ) - : cbPluginBase( pPanel, paneMask ), - mpLRUBufDc ( NULL ), - mLRUArea ( -1,-1, -1,-1 ) + : cbPluginBase( pPanel, paneMask ), + mpLRUBufDc ( NULL ), + mLRUArea ( -1,-1, -1,-1 ) { - ++mRefCount; + ++mRefCount; } cbAntiflickerPlugin::~cbAntiflickerPlugin() { - if ( --mRefCount == 0 ) - { - if ( mpHorizBuf ) - { - mpHorizBufDc->SelectObject( wxNullBitmap ); - delete mpHorizBuf; - delete mpHorizBufDc; - mpHorizBuf = 0; - mpHorizBufDc = 0; - } - - if ( mpVertBuf ) - { - mpVertBufDc->SelectObject( wxNullBitmap ); - delete mpVertBuf; - delete mpVertBufDc; - mpVertBuf = 0; - mpVertBufDc = 0; - } - } + if ( --mRefCount == 0 ) + { + if ( mpHorizBuf ) + { + mpHorizBufDc->SelectObject( wxNullBitmap ); + delete mpHorizBuf; + delete mpHorizBufDc; + mpHorizBuf = 0; + mpHorizBufDc = 0; + } + + if ( mpVertBuf ) + { + mpVertBufDc->SelectObject( wxNullBitmap ); + delete mpVertBuf; + delete mpVertBufDc; + mpVertBuf = 0; + mpVertBufDc = 0; + } + } } wxDC* cbAntiflickerPlugin::FindSuitableBuffer( const wxRect& forArea ) { - if ( mpVertBuf ) - { - if ( mpVertBuf->GetHeight() >= forArea.height && - mpVertBuf->GetWidth() >= forArea.width ) - - return mpVertBufDc; - } - else - if ( mpHorizBuf ) - { - if ( mpHorizBuf->GetHeight() >= forArea.height && - mpHorizBuf->GetWidth() >= forArea.width ) - - return mpHorizBufDc; - } - - return 0; + if ( mpVertBuf ) + { + if ( mpVertBuf->GetHeight() >= forArea.height && + mpVertBuf->GetWidth() >= forArea.width ) + return mpVertBufDc; + } + else + if ( mpHorizBuf ) + { + if ( mpHorizBuf->GetHeight() >= forArea.height && + mpHorizBuf->GetWidth() >= forArea.width ) + return mpHorizBufDc; + } + + return 0; } wxDC* cbAntiflickerPlugin::AllocNewBuffer( const wxRect& forArea ) { - // TBD:: preallocate bit larger bitmap at once, to avoid - // excessive realocations later - - // check whether the given area is oriented horizontally - // or vertically and choose corresponding bitmap to create or - // recreate - - if ( forArea.height > forArea.width ) - { - wxSize prevDim( 0,0 ); - - if ( mpVertBuf ) - { - prevDim.x = mpVertBuf->GetWidth(); - prevDim.y = mpVertBuf->GetHeight(); - - mpVertBufDc->SelectObject( wxNullBitmap ); - delete mpVertBuf; - } - else - mpVertBufDc = new wxMemoryDC(); - - mpVertBuf = new wxBitmap( int( wxMax(forArea.width, prevDim.x ) ), - int( wxMax(forArea.height, prevDim.y ) ) - ); - - mpVertBufDc->SelectObject( *mpVertBuf ); - - return mpVertBufDc; - } - else - { - wxSize prevDim( 0,0 ); - - if ( mpHorizBuf ) - { - prevDim.x = mpHorizBuf->GetWidth(); - prevDim.y = mpHorizBuf->GetHeight(); - - mpHorizBufDc->SelectObject( wxNullBitmap ); - delete mpHorizBuf; - } - else - mpHorizBufDc = new wxMemoryDC(); - - mpHorizBuf = new wxBitmap( int( wxMax(forArea.width, prevDim.x ) ), - int( wxMax(forArea.height, prevDim.y ) ) - ); - - mpHorizBufDc->SelectObject( *mpHorizBuf ); - - return mpHorizBufDc; - } + // TBD:: preallocate bit larger bitmap at once, to avoid + // excessive realocations later + + // check whether the given area is oriented horizontally + // or vertically and choose corresponding bitmap to create or + // recreate + + if ( forArea.height > forArea.width ) + { + wxSize prevDim( 0,0 ); + + if ( mpVertBuf ) + { + prevDim.x = mpVertBuf->GetWidth(); + prevDim.y = mpVertBuf->GetHeight(); + + mpVertBufDc->SelectObject( wxNullBitmap ); + delete mpVertBuf; + } + else + mpVertBufDc = new wxMemoryDC(); + + mpVertBuf = new wxBitmap( int( wxMax(forArea.width, prevDim.x ) ), + int( wxMax(forArea.height, prevDim.y ) ) + ); + + mpVertBufDc->SelectObject( *mpVertBuf ); + + return mpVertBufDc; + } + else + { + wxSize prevDim( 0,0 ); + + if ( mpHorizBuf ) + { + prevDim.x = mpHorizBuf->GetWidth(); + prevDim.y = mpHorizBuf->GetHeight(); + + mpHorizBufDc->SelectObject( wxNullBitmap ); + delete mpHorizBuf; + } + else + mpHorizBufDc = new wxMemoryDC(); + + mpHorizBuf = new wxBitmap( int( wxMax(forArea.width, prevDim.x ) ), + int( wxMax(forArea.height, prevDim.y ) ) + ); + + mpHorizBufDc->SelectObject( *mpHorizBuf ); + + return mpHorizBufDc; + } } void cbAntiflickerPlugin::OnStartDrawInArea( cbStartDrawInAreaEvent& event ) { - wxASSERT( mpLRUBufDc == NULL ); // DBG:: see comments in OnFinishDrawInArea(..) method + wxASSERT( mpLRUBufDc == NULL ); // DBG:: see comments in OnFinishDrawInArea(..) method - // short-cut - wxRect& area = event.mArea; + // short-cut + wxRect& area = event.mArea; - if ( event.mArea.width < 0 || - event.mArea.height < 0 ) return; + if ( event.mArea.width < 0 || + event.mArea.height < 0 ) return; - // memorize given area - mLRUArea.x = area.x; - mLRUArea.y = area.y; - mLRUArea.width = area.width; - mLRUArea.height = area.height; + // memorize given area + mLRUArea.x = area.x; + mLRUArea.y = area.y; + mLRUArea.width = area.width; + mLRUArea.height = area.height; - wxDC* pBufDc = FindSuitableBuffer( area ); + wxDC* pBufDc = FindSuitableBuffer( area ); - if ( !pBufDc ) - - pBufDc = AllocNewBuffer( area ); + if ( !pBufDc ) + pBufDc = AllocNewBuffer( area ); - pBufDc->SetDeviceOrigin( -area.x, -area.y ); + pBufDc->SetDeviceOrigin( -area.x, -area.y ); - pBufDc->SetClippingRegion( area.x, area.y, - area.width, area.height ); + pBufDc->SetClippingRegion( area.x, area.y, + area.width, area.height ); - wxClientDC clntDc( &mpLayout->GetParentFrame() ); + wxClientDC clntDc( &mpLayout->GetParentFrame() ); - (*event.mppDc) = pBufDc; + (*event.mppDc) = pBufDc; - mpLRUBufDc = pBufDc; // memorize buffer, which will be flushed to screen - // upon "commiting" the drawing + mpLRUBufDc = pBufDc; // memorize buffer, which will be flushed to screen + // upon "commiting" the drawing - /* - // OLD STUFF:: - mpLRUBufDc->Blit( pos.x, pos.y, size.x, size.y, - &clntDc, pos.x, pos.y, wxCOPY ); - */ + /* + // OLD STUFF:: + mpLRUBufDc->Blit( pos.x, pos.y, size.x, size.y, + &clntDc, pos.x, pos.y, wxCOPY ); + */ } void cbAntiflickerPlugin::OnFinishDrawInArea( cbFinishDrawInAreaEvent& event ) { - wxRect& area = event.mArea; + wxRect& area = event.mArea; - if ( event.mArea.width < 0 || - event.mArea.height < 0 ) return; + if ( event.mArea.width < 0 || + event.mArea.height < 0 ) return; - wxASSERT( mpLRUBufDc ); // DBG:: OnStartDrawInArea should be called first + wxASSERT( mpLRUBufDc ); // DBG:: OnStartDrawInArea should be called first - // FOR NOW:: OnStartDrawInArea(..) should be immediately followed - // by OnFinishDrawInArea(..) for the same area + // FOR NOW:: OnStartDrawInArea(..) should be immediately followed + // by OnFinishDrawInArea(..) for the same area - wxASSERT( mLRUArea.x == area.x ); - wxASSERT( mLRUArea.y == area.y ); - wxASSERT( mLRUArea.width == area.width ); - wxASSERT( mLRUArea.height == area.height ); + wxASSERT( mLRUArea.x == area.x ); + wxASSERT( mLRUArea.y == area.y ); + wxASSERT( mLRUArea.width == area.width ); + wxASSERT( mLRUArea.height == area.height ); - wxClientDC clntDc( &mpLayout->GetParentFrame() ); + wxClientDC clntDc( &mpLayout->GetParentFrame() ); - // "commit" drawings in one-shot - clntDc.Blit( area.x, area.y, area.width, area.height, - mpLRUBufDc, area.x, area.y, wxCOPY ); + // "commit" drawings in one-shot + clntDc.Blit( area.x, area.y, area.width, area.height, + mpLRUBufDc, area.x, area.y, wxCOPY ); - mpLRUBufDc->DestroyClippingRegion(); - mpLRUBufDc = 0; + mpLRUBufDc->DestroyClippingRegion(); + mpLRUBufDc = 0; }