// 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)
-#endif
+IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
+IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
//-----------------------------------------------------------------------------
// wxRegionRefData implementation
{
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 )
+ // 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, nil, nil, 0 );
+ if ( err == noErr )
{
- ::LineTo(x1,y1 ) ;
+ ::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 ) ;
+ }
+ CloseRgn( M_REGION ) ;
+ ::SetGWorld( oldWorld, oldGDHandle );
}
- ClosePoly();
- CloseRgn( M_REGION ) ;
}
/*!
/*!
* 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);
}
}