/////////////////////////////////////////////////////////////////////////////
-// File: region.cpp
+// File: src/mac/carbon/region.cpp
// Purpose: Region class
-// Author: Markus Holzem/Julian Smart/AUTHOR
+// Author: Stefan Csomor
// Created: Fri Oct 24 10:46:34 MET 1997
-// RCS-ID: $Id$
-// Copyright: (c) 1997 Markus Holzem/Julian Smart/AUTHOR
+// RCS-ID: $Id$
+// Copyright: (c) 1997 Stefan Csomor
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "region.h"
-#endif
+#include "wx/wxprec.h"
#include "wx/region.h"
-#include "wx/gdicmn.h"
-#include "wx/mac/uma.h"
-#if !USE_SHARED_LIBRARY
- IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
- IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
+#ifndef WX_PRECOMP
+ #include "wx/gdicmn.h"
#endif
+#include "wx/mac/uma.h"
+
+IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
+IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
+
//-----------------------------------------------------------------------------
// wxRegionRefData implementation
//-----------------------------------------------------------------------------
-class WXDLLEXPORT wxRegionRefData : public wxGDIRefData {
+class WXDLLEXPORT wxRegionRefData : public wxGDIRefData
+{
public:
- wxRegionRefData()
- {
- m_macRgn = NewRgn() ;
- }
-
- wxRegionRefData(const wxRegionRefData& data)
- {
- m_macRgn = NewRgn() ;
- CopyRgn( data.m_macRgn , m_macRgn ) ;
- }
-
- ~wxRegionRefData()
- {
- DisposeRgn( m_macRgn ) ;
- }
- RgnHandle m_macRgn ;
+ wxRegionRefData()
+ {
+ m_macRgn.reset( HIShapeCreateMutable() );
+ }
+
+ wxRegionRefData(wxCFRef<HIShapeRef> ®ion)
+ {
+ m_macRgn.reset( HIShapeCreateMutableCopy(region) );
+ }
+
+ wxRegionRefData(long x, long y, long w, long h)
+ {
+ CGRect r = CGRectMake(x,y,w,h);
+ wxCFRef<HIShapeRef> rect(HIShapeCreateWithRect(&r));
+ m_macRgn.reset( HIShapeCreateMutableCopy(rect) );
+ }
+
+ wxRegionRefData(const wxRegionRefData& data)
+ : wxGDIRefData()
+ {
+ m_macRgn.reset( HIShapeCreateMutableCopy(data.m_macRgn) );
+ }
+
+ virtual ~wxRegionRefData()
+ {
+ }
+
+ wxCFRef<HIMutableShapeRef> m_macRgn;
};
#define M_REGION (((wxRegionRefData*)m_refData)->m_macRgn)
*/
wxRegion::wxRegion()
{
- m_refData = new wxRegionRefData;
+ m_refData = new wxRegionRefData();
}
wxRegion::wxRegion(WXHRGN hRegion )
{
- m_refData = new wxRegionRefData;
- CopyRgn( hRegion , M_REGION ) ;
+ wxCFRef< HIShapeRef > shape( (HIShapeRef) hRegion );
+ m_refData = new wxRegionRefData(shape);
}
wxRegion::wxRegion(long x, long y, long w, long h)
{
- m_refData = new wxRegionRefData;
- SetRectRgn( M_REGION , x , y , x+w , y+h ) ;
+ m_refData = new wxRegionRefData(x , y , w , h );
}
wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
{
- m_refData = new wxRegionRefData;
- SetRectRgn( M_REGION , topLeft.x , topLeft.y , bottomRight.x , bottomRight.y ) ;
+ m_refData = new wxRegionRefData(topLeft.x , topLeft.y ,
+ topLeft.x - bottomRight.x ,
+ topLeft.y - bottomRight.y);
}
wxRegion::wxRegion(const wxRect& rect)
{
- m_refData = new wxRegionRefData;
- SetRectRgn( M_REGION , rect.x , rect.y , rect.x+rect.width , rect.y+rect.height ) ;
+ m_refData = new wxRegionRefData(rect.x , rect.y , rect.width , rect.height);
+}
+
+wxRegion::wxRegion(size_t n, const wxPoint *points, int WXUNUSED(fillStyle))
+{
+ wxUnusedVar(n);
+ wxUnusedVar(points);
+
+#ifndef __LP64__
+
+ // TODO : any APIs ?
+ // OS X somehow does not collect the region invisibly as before, so sometimes things
+ // get drawn on screen instead of just being combined into a region, therefore we allocate a temp gworld now
+
+ GWorldPtr gWorld = NULL;
+ GWorldPtr oldWorld;
+ GDHandle oldGDHandle;
+ OSStatus err;
+ Rect destRect = { 0, 0, 1, 1 };
+
+ ::GetGWorld( &oldWorld, &oldGDHandle );
+ err = ::NewGWorld( &gWorld, 32, &destRect, NULL, NULL, 0 );
+ if ( err == noErr )
+ {
+ ::SetGWorld( gWorld, GetGDevice() );
+
+ OpenRgn();
+
+ wxCoord x1, x2 , y1 , y2 ;
+ x2 = x1 = points[0].x ;
+ y2 = y1 = points[0].y ;
+
+ ::MoveTo( x1, y1 );
+ for (size_t i = 1; i < n; i++)
+ {
+ x2 = points[i].x ;
+ y2 = points[i].y ;
+ ::LineTo( x2, y2 );
+ }
+
+ // close the polyline if necessary
+ if ( x1 != x2 || y1 != y2 )
+ ::LineTo( x1, y1 ) ;
+
+ RgnHandle tempRgn = NewRgn();
+ CloseRgn( tempRgn ) ;
+
+ ::SetGWorld( oldWorld, oldGDHandle );
+ wxCFRef<HIShapeRef> tempShape( HIShapeCreateWithQDRgn(tempRgn ) );
+ m_refData = new wxRegionRefData(tempShape);
+ DisposeRgn( tempRgn );
+ }
+ else
+ {
+ m_refData = new wxRegionRefData;
+ }
+#else
+ wxFAIL_MSG( "not implemented" );
+ m_refData = NULL;
+#endif
}
-/*!
- * Destroy the region.
- */
wxRegion::~wxRegion()
{
// m_refData unrefed in ~wxObject
}
+wxGDIRefData *wxRegion::CreateGDIRefData() const
+{
+ return new wxRegionRefData;
+}
+
+wxGDIRefData *wxRegion::CloneGDIRefData(const wxGDIRefData *data) const
+{
+ return new wxRegionRefData(*wx_static_cast(const wxRegionRefData *, data));
+}
+
//-----------------------------------------------------------------------------
//# Modify region
//-----------------------------------------------------------------------------
UnRef();
}
-//! Combine rectangle (x, y, w, h) with this.
-bool wxRegion::Combine(long x, long y, long width, long height, wxRegionOp op)
-{
- // Don't change shared data
- if (!m_refData)
- {
- m_refData = new wxRegionRefData();
- }
- else if (m_refData->GetRefCount() > 1)
- {
- wxRegionRefData* ref = (wxRegionRefData*)m_refData;
- UnRef();
- m_refData = new wxRegionRefData(*ref);
- }
- RgnHandle rgn = NewRgn() ;
- SetRectRgn( rgn , x , y, x+width,y + height ) ;
-
- switch (op)
- {
- case wxRGN_AND:
- SectRgn( M_REGION , rgn , M_REGION ) ;
- break ;
- case wxRGN_OR:
- UnionRgn( M_REGION , rgn , M_REGION ) ;
- break ;
- case wxRGN_XOR:
- XorRgn( M_REGION , rgn , M_REGION ) ;
- break ;
- case wxRGN_DIFF:
- DiffRgn( M_REGION , rgn , M_REGION ) ;
- break ;
- case wxRGN_COPY:
- default:
- CopyRgn( rgn ,M_REGION ) ;
- break ;
- }
+// Move the region
+bool wxRegion::DoOffset(wxCoord x, wxCoord y)
+{
+ wxCHECK_MSG( M_REGION, false, _T("invalid wxRegion") );
+
+ if ( !x && !y )
+ // nothing to do
+ return true;
- DisposeRgn( rgn ) ;
+ verify_noerr( HIShapeOffset( M_REGION , x , y ) ) ;
- return TRUE;
+ return true ;
}
+
//! Union /e region with this.
-bool wxRegion::Combine(const wxRegion& region, wxRegionOp op)
-{
- if (region.Empty())
- return FALSE;
-
- // Don't change shared data
- if (!m_refData) {
- m_refData = new wxRegionRefData();
- }
- else if (m_refData->GetRefCount() > 1)
- {
- wxRegionRefData* ref = (wxRegionRefData*)m_refData;
- UnRef();
- m_refData = new wxRegionRefData(*ref);
- }
+bool wxRegion::DoCombine(const wxRegion& region, wxRegionOp op)
+{
+ wxCHECK_MSG( region.Ok(), false, _T("invalid wxRegion") );
+
+ // Don't change shared data
+ if (!m_refData)
+ {
+ m_refData = new wxRegionRefData();
+ }
+ else if (m_refData->GetRefCount() > 1)
+ {
+ wxRegionRefData* ref = (wxRegionRefData*)m_refData;
+ UnRef();
+ m_refData = new wxRegionRefData(*ref);
+ }
switch (op)
{
case wxRGN_AND:
- SectRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
+ verify_noerr( HIShapeIntersect( M_REGION , OTHER_M_REGION(region) , M_REGION ) );
break ;
+
case wxRGN_OR:
- UnionRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
+ verify_noerr( HIShapeUnion( M_REGION , OTHER_M_REGION(region) , M_REGION ) );
break ;
+
case wxRGN_XOR:
- XorRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
+ {
+ // XOR is defined as the difference between union and intersection
+ wxCFRef< HIShapeRef > unionshape( HIShapeCreateUnion( M_REGION , OTHER_M_REGION(region) ) );
+ wxCFRef< HIShapeRef > intersectionshape( HIShapeCreateIntersection( M_REGION , OTHER_M_REGION(region) ) );
+ verify_noerr( HIShapeDifference( unionshape, intersectionshape, M_REGION ) );
+ }
break ;
+
case wxRGN_DIFF:
- DiffRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
+ verify_noerr( HIShapeDifference( M_REGION , OTHER_M_REGION(region) , M_REGION ) ) ;
break ;
+
case wxRGN_COPY:
default:
- CopyRgn( OTHER_M_REGION(region) ,M_REGION ) ;
+ M_REGION.reset( HIShapeCreateMutableCopy( OTHER_M_REGION(region) ) );
break ;
}
- return TRUE;
-}
-
-bool wxRegion::Combine(const wxRect& rect, wxRegionOp op)
-{
- return Combine(rect.GetLeft(), rect.GetTop(), rect.GetWidth(), rect.GetHeight(), op);
+ return true;
}
//-----------------------------------------------------------------------------
//# Information on region
//-----------------------------------------------------------------------------
-// Outer bounds of region
-void wxRegion::GetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const
+bool wxRegion::DoIsEqual(const wxRegion& WXUNUSED(region)) const
{
- if (m_refData)
- {
- Rect box ;
- GetRegionBounds( M_REGION , &box ) ;
- x = box.left ;
- y = box.top ;
- w = box.right - box.left ;
- h = box.bottom - box.top ;
- }
- else
- {
- x = y = w = h = 0;
- }
+ wxFAIL_MSG( _T("not implemented") );
+
+ return false;
}
-wxRect wxRegion::GetBox() const
+// Outer bounds of region
+bool wxRegion::DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const
{
- wxCoord x, y, w, h;
- GetBox(x, y, w, h);
- return wxRect(x, y, w, h);
+ if (m_refData)
+ {
+ CGRect box ;
+ HIShapeGetBounds( M_REGION , &box ) ;
+ x = wx_static_cast(int, box.origin.x);
+ y = wx_static_cast(int, box.origin.y);
+ w = wx_static_cast(int, box.size.width);
+ h = wx_static_cast(int, box.size.height);
+
+ return true;
+ }
+ else
+ {
+ x = y = w = h = 0;
+
+ return false;
+ }
}
// Is region empty?
-bool wxRegion::Empty() const
+bool wxRegion::IsEmpty() const
{
- return EmptyRgn( M_REGION ) ;
+ if ( m_refData )
+ return HIShapeIsEmpty( M_REGION ) ;
+ else
+ return true ;
}
const WXHRGN wxRegion::GetWXHRGN() const
{
- return M_REGION ;
+ return M_REGION ;
}
//-----------------------------------------------------------------------------
//# Tests
//-----------------------------------------------------------------------------
-// Does the region contain the point (x,y)?
-wxRegionContain wxRegion::Contains(long x, long y) const
+// Does the region contain the point?
+wxRegionContain wxRegion::DoContainsPoint(wxCoord x, wxCoord y) const
{
- if (!m_refData)
- return wxOutRegion;
+ if (!m_refData)
+ return wxOutRegion;
- // TODO. Return wxInRegion if within region.
- if (0)
+ CGPoint p = { y , x } ;
+ if (HIShapeContainsPoint( M_REGION , &p ) )
return wxInRegion;
- return wxOutRegion;
-}
-
-// Does the region contain the point pt?
-wxRegionContain wxRegion::Contains(const wxPoint& pt) const
-{
- if (!m_refData)
- return wxOutRegion;
- Point p = { pt.y , pt.x } ;
- if (PtInRgn( p , M_REGION ) )
- return wxInRegion;
-
return wxOutRegion;
}
// Does the region contain the rectangle (x, y, w, h)?
-wxRegionContain wxRegion::Contains(long x, long y, long w, long h) const
+wxRegionContain wxRegion::DoContainsRect(const wxRect& r) const
{
- if (!m_refData)
- return wxOutRegion;
-
- Rect rect = { y , x , y + h , x + w } ;
- if (RectInRgn( &rect , M_REGION ) )
- return wxInRegion;
- else
+ if (!m_refData)
return wxOutRegion;
-}
-// Does the region contain the rectangle rect
-wxRegionContain wxRegion::Contains(const wxRect& rect) const
-{
- if (!m_refData)
- return wxOutRegion;
+ CGRect rect = CGRectMake(r.x,r.y,r.width,r.height);
+ wxCFRef<HIShapeRef> rectshape(HIShapeCreateWithRect(&rect));
+ wxCFRef<HIShapeRef> intersect(HIShapeCreateIntersection(rectshape,M_REGION));
+ CGRect bounds;
+ HIShapeGetBounds(intersect, &bounds);
- long x, y, w, h;
- x = rect.x;
- y = rect.y;
- w = rect.GetWidth();
- h = rect.GetHeight();
- return Contains(x, y, w, h);
+ if ( HIShapeIsRectangular(intersect) && CGRectEqualToRect(rect,bounds) )
+ return wxInRegion;
+ else if ( HIShapeIsEmpty( intersect ) )
+ return wxOutRegion;
+ else
+ return wxPartRegion;
}
///////////////////////////////////////////////////////////////////////////////
-// //
-// wxRegionIterator //
-// //
+// //
+// wxRegionIterator //
+// //
///////////////////////////////////////////////////////////////////////////////
/*!
* Initialize empty iterator
*/
-wxRegionIterator::wxRegionIterator() : m_current(0), m_numRects(0), m_rects(NULL)
+wxRegionIterator::wxRegionIterator()
+ : m_current(0), m_numRects(0), m_rects(NULL)
{
}
wxRegionIterator::~wxRegionIterator()
{
if (m_rects)
- delete[] m_rects;
+ {
+ delete [] m_rects;
+ m_rects = NULL;
+ }
+}
+
+wxRegionIterator::wxRegionIterator(const wxRegionIterator& iterator)
+ : wxObject()
+ , m_current(iterator.m_current)
+ , m_numRects(0)
+ , m_rects(NULL)
+{
+ SetRects(iterator.m_numRects, iterator.m_rects);
+}
+
+wxRegionIterator& wxRegionIterator::operator=(const wxRegionIterator& iterator)
+{
+ m_current = iterator.m_current;
+ SetRects(iterator.m_numRects, iterator.m_rects);
+
+ return *this;
+}
+
+/*!
+ * Set iterator rects for region
+ */
+void wxRegionIterator::SetRects(long numRects, wxRect *rects)
+{
+ if (m_rects)
+ {
+ delete [] m_rects;
+ m_rects = NULL;
+ }
+
+ if (rects && (numRects > 0))
+ {
+ int i;
+
+ m_rects = new wxRect[numRects];
+ for (i = 0; i < numRects; i++)
+ m_rects[i] = rects[i];
+ }
+
+ m_numRects = numRects;
}
/*!
{
m_rects = NULL;
- Reset(region);
+ Reset(region);
}
/*!
* Reset iterator for a new /e region.
*/
+
+#ifndef __LP64__
+OSStatus wxMacRegionToRectsCounterCallback(
+ UInt16 message, RgnHandle WXUNUSED(region), const Rect *WXUNUSED(rect), void *data )
+{
+ long *m_numRects = (long*) data ;
+ if ( message == kQDRegionToRectsMsgInit )
+ {
+ (*m_numRects) = 0 ;
+ }
+ else if (message == kQDRegionToRectsMsgParse)
+ {
+ (*m_numRects) += 1 ;
+ }
+
+ return noErr;
+}
+
+class RegionToRectsCallbackData
+{
+public :
+ wxRect* m_rects ;
+ long m_current ;
+};
+
+OSStatus wxMacRegionToRectsSetterCallback(
+ UInt16 message, RgnHandle WXUNUSED(region), const Rect *rect, void *data )
+{
+ if (message == kQDRegionToRectsMsgParse)
+ {
+ RegionToRectsCallbackData *cb = (RegionToRectsCallbackData*) data ;
+ cb->m_rects[cb->m_current++] = wxRect( rect->left , rect->top , rect->right - rect->left , rect->bottom - rect->top ) ;
+ }
+
+ return noErr;
+}
+#endif
+
void wxRegionIterator::Reset(const wxRegion& region)
{
- m_current = 0;
- m_region = region;
+ m_current = 0;
+ m_region = region;
if (m_rects)
- delete[] m_rects;
-
- m_rects = NULL;
+ {
+ delete [] m_rects;
+ m_rects = NULL;
+ }
- if (m_region.Empty())
- m_numRects = 0;
- else
+ if (m_region.IsEmpty())
+ {
+ m_numRects = 0;
+ }
+ else
{
- // we cannot dissolve it into rects on mac
- m_rects = new wxRect[1];
- Rect rect ;
- GetRegionBounds( OTHER_M_REGION( region ) , &rect ) ;
- m_rects[0].x = rect.left;
- m_rects[0].y = rect.top;
- m_rects[0].width = rect.right - rect.left;
- m_rects[0].height = rect.bottom - rect.top;
+#ifdef __LP64__
+ // copying this to a path and dissecting the path would be an option
m_numRects = 1;
+ m_rects = new wxRect[m_numRects];
+ m_rects[0] = m_region.GetBox();
+
+#else
+ RegionToRectsUPP proc = (RegionToRectsUPP) wxMacRegionToRectsCounterCallback;
+
+ OSStatus err = noErr;
+ RgnHandle rgn = NewRgn();
+ HIShapeGetAsQDRgn(OTHER_M_REGION(region), rgn);
+
+ err = QDRegionToRects (rgn, kQDParseRegionFromTopLeft, proc, (void*)&m_numRects);
+ if (err == noErr)
+ {
+ proc = (RegionToRectsUPP) wxMacRegionToRectsSetterCallback;
+ m_rects = new wxRect[m_numRects];
+ RegionToRectsCallbackData data ;
+ data.m_rects = m_rects ;
+ data.m_current = 0 ;
+ QDRegionToRects( rgn , kQDParseRegionFromTopLeft, proc, (void*)&data );
+ }
+ else
+ {
+ m_numRects = 0;
+ }
+ DisposeRgn( rgn );
+#endif
}
}
* Increment iterator. The rectangle returned is the one after the
* incrementation.
*/
-void wxRegionIterator::operator ++ ()
+wxRegionIterator& wxRegionIterator::operator ++ ()
{
- if (m_current < m_numRects)
- ++m_current;
+ if (m_current < m_numRects)
+ ++m_current;
+
+ return *this;
}
/*!
* Increment iterator. The rectangle returned is the one before the
* incrementation.
*/
-void wxRegionIterator::operator ++ (int)
+wxRegionIterator wxRegionIterator::operator ++ (int)
{
- if (m_current < m_numRects)
- ++m_current;
+ wxRegionIterator previous(*this);
+
+ if (m_current < m_numRects)
+ ++m_current;
+
+ return previous;
}
long wxRegionIterator::GetX() const
{
- if (m_current < m_numRects)
- return m_rects[m_current].x;
- return 0;
+ if (m_current < m_numRects)
+ return m_rects[m_current].x;
+
+ return 0;
}
long wxRegionIterator::GetY() const
{
- if (m_current < m_numRects)
- return m_rects[m_current].y;
- return 0;
+ if (m_current < m_numRects)
+ return m_rects[m_current].y;
+
+ return 0;
}
long wxRegionIterator::GetW() const
{
- if (m_current < m_numRects)
- return m_rects[m_current].width ;
- return 0;
+ if (m_current < m_numRects)
+ return m_rects[m_current].width ;
+
+ return 0;
}
long wxRegionIterator::GetH() const
{
- if (m_current < m_numRects)
- return m_rects[m_current].height;
- return 0;
-}
+ if (m_current < m_numRects)
+ return m_rects[m_current].height;
+ return 0;
+}
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