/////////////////////////////////////////////////////////////////////////////
// File: region.cpp
// Purpose: Region class
-// Author: Markus Holzem/Julian Smart/Stefan Csomor
+// Author: Stefan Csomor
// Created: Fri Oct 24 10:46:34 MET 1997
-// RCS-ID: $Id$
-// Copyright: (c) 1997 Markus Holzem/Julian Smart/Stefan Csomor
+// RCS-ID: $Id$
+// Copyright: (c) 1997 Stefan Csomor
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#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)
-#endif
+IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
+IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
//-----------------------------------------------------------------------------
// wxRegionRefData implementation
SetRectRgn( (RgnHandle) M_REGION , rect.x , rect.y , rect.x+rect.width , rect.y+rect.height ) ;
}
+wxRegion::wxRegion(size_t n, const wxPoint *points, int WXUNUSED(fillStyle))
+{
+ m_refData = new wxRegionRefData;
+
+ 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 ) ;
+ }
+ ClosePoly();
+ CloseRgn( M_REGION ) ;
+}
+
/*!
* Destroy the region.
*/
UnRef();
}
+// Move the region
+bool wxRegion::Offset(wxCoord x, wxCoord y)
+{
+ wxCHECK_MSG( M_REGION, false, _T("invalid wxRegion") );
+
+ if ( !x && !y )
+ {
+ // nothing to do
+ return true;
+ }
+
+ OffsetRgn( M_REGION , x , y ) ;
+ return true ;
+}
+
+
//! Combine rectangle (x, y, w, h) with this.
bool wxRegion::Combine(long x, long y, long width, long height, wxRegionOp op)
{
/*!
* Reset iterator for a new /e region.
*/
+
+OSStatus wxMacRegionToRectsCounterCallback (
+ UInt16 message, RgnHandle region, const Rect *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 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;
+}
+
void wxRegionIterator::Reset(const wxRegion& region)
{
m_current = 0;
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;
- m_numRects = 1;
+ RegionToRectsUPP proc = NewRegionToRectsUPP (wxMacRegionToRectsCounterCallback);
+
+ OSStatus err = noErr;
+ err = QDRegionToRects (OTHER_M_REGION( region ) , kQDParseRegionFromTopLeft, proc, (void*)&m_numRects);
+ if (err == noErr)
+ {
+ DisposeRegionToRectsUPP (proc);
+ proc = NewRegionToRectsUPP (wxMacRegionToRectsSetterCallback);
+ m_rects = new wxRect[m_numRects];
+ RegionToRectsCallbackData data ;
+ data.m_rects = m_rects ;
+ data.m_current = 0 ;
+ QDRegionToRects (OTHER_M_REGION( region ) , kQDParseRegionFromTopLeft, proc, (void*)&data);
+ }
+ else
+ {
+ m_numRects = 0 ;
+ }
+ DisposeRegionToRectsUPP (proc);
}
}