Move some things to wxBitmapBase to avoid much duplication.

[wxWidgets.git] / src / mac / carbon / region.cpp

diff --git a/src/mac/carbon/region.cpp b/src/mac/carbon/region.cpp
index 315b966927af0e6d304a99617f9fa65bdb14a3fd..08d061c2959657badcaacbbb2610f4b46e0aa34c 100644 (file)
--- a/src/mac/carbon/region.cpp
+++ b/src/mac/carbon/region.cpp
@@ -1,48 +1,47 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// File:      region.cpp
+// File:      src/mac/carbon/region.cpp

 // Purpose:   Region class
 // Purpose:   Region class

-// Author:    Markus Holzem/Julian Smart/AUTHOR
+// Author:    Stefan Csomor

 // Created:   Fri Oct 24 10:46:34 MET 1997
 // 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
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:   wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "region.h"
-#endif
+#include "wx/wxprec.h"

 
 #include "wx/region.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
 
 #endif
 

+#include "wx/mac/uma.h"
+
+IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
+IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
+

 //-----------------------------------------------------------------------------
 // wxRegionRefData implementation
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 // wxRegionRefData implementation
 //-----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxRegionRefData : public wxGDIRefData {
+class WXDLLEXPORT wxRegionRefData : public wxGDIRefData
+{

 public:
 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 = NewRgn(); }
+
+    wxRegionRefData(const wxRegionRefData& data)
+        : wxGDIRefData()
+    {
+        m_macRgn = NewRgn();
+        CopyRgn( data.m_macRgn , m_macRgn );
+    }
+
+    virtual ~wxRegionRefData()
+    { DisposeRgn( m_macRgn ); }
+
+    RgnHandle    m_macRgn;

 };
 
 #define M_REGION (((wxRegionRefData*)m_refData)->m_macRgn)
 };
 
 #define M_REGION (((wxRegionRefData*)m_refData)->m_macRgn)


@@ -63,30 +62,70 @@ wxRegion::wxRegion()
 wxRegion::wxRegion(WXHRGN hRegion )
 {
     m_refData = new wxRegionRefData;
 wxRegion::wxRegion(WXHRGN hRegion )
 {
     m_refData = new wxRegionRefData;

-    CopyRgn( hRegion , M_REGION ) ;
+    CopyRgn( (RgnHandle) hRegion , (RgnHandle) M_REGION ) ;

 }
 
 wxRegion::wxRegion(long x, long y, long w, long h)
 {
     m_refData = new wxRegionRefData;
 }
 
 wxRegion::wxRegion(long x, long y, long w, long h)
 {
     m_refData = new wxRegionRefData;

-    SetRectRgn( M_REGION , x , y , x+w , y+h ) ;
+    SetRectRgn( (RgnHandle) M_REGION , x , y , x + w , y + h ) ;

 }
 
 wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
 {
     m_refData = new wxRegionRefData;
 }
 
 wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
 {
     m_refData = new wxRegionRefData;

-    SetRectRgn( M_REGION , topLeft.x , topLeft.y , bottomRight.x , bottomRight.y ) ;
+    SetRectRgn( (RgnHandle) M_REGION , topLeft.x , topLeft.y , bottomRight.x , bottomRight.y ) ;

 }
 
 wxRegion::wxRegion(const wxRect& rect)
 {
     m_refData = new wxRegionRefData;
 }
 
 wxRegion::wxRegion(const wxRect& rect)
 {
     m_refData = new wxRegionRefData;

-    SetRectRgn( M_REGION , rect.x , rect.y , rect.x+rect.width , rect.y+rect.height ) ;
+    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;
+
+    // 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 ) ;
+
+        CloseRgn( M_REGION ) ;
+
+        ::SetGWorld( oldWorld, oldGDHandle );
+    }

 }
 
 }
 

-/*!
- * Destroy the region.
- */

 wxRegion::~wxRegion()
 {
     // m_refData unrefed in ~wxObject
 wxRegion::~wxRegion()
 {
     // m_refData unrefed in ~wxObject


@@ -102,206 +141,203 @@ void wxRegion::Clear()
     UnRef();
 }
 
     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 ) ;
+    OffsetRgn( M_REGION , x , y ) ;

 
 

-    return TRUE;
+    return true ;

 }
 
 }
 

+

 //! Union /e region with this.
 //! 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 ) ;
             break ;
 
     switch (op)
     {
         case wxRGN_AND:
             SectRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
             break ;

+

         case wxRGN_OR:
             UnionRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
             break ;
         case wxRGN_OR:
             UnionRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
             break ;

+

         case wxRGN_XOR:
              XorRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
             break ;
         case wxRGN_XOR:
              XorRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
             break ;

+

         case wxRGN_DIFF:
             DiffRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
             break ;
         case wxRGN_DIFF:
             DiffRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
             break ;

+

         case wxRGN_COPY:
         default:
         case wxRGN_COPY:
         default:

-                               CopyRgn( OTHER_M_REGION(region) ,M_REGION ) ;
+            CopyRgn( OTHER_M_REGION(region) , M_REGION ) ;

             break ;
     }
 
             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
 //-----------------------------------------------------------------------------
 
 }
 
 //-----------------------------------------------------------------------------
 //# Information on region
 //-----------------------------------------------------------------------------
 

+bool wxRegion::DoIsEqual(const wxRegion& region) const
+{
+    wxFAIL_MSG( _T("not implemented") );
+
+    return false;
+}
+

 // Outer bounds of region
 // Outer bounds of region

-void wxRegion::GetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const
+bool wxRegion::DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const

 {
 {

-       if (m_refData) 
-       {
-               Rect box ;
-               GetRegionBounds( M_REGION , &box ) ;
+    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 ;
         x = box.left ;
         y = box.top ;
         w = box.right - box.left ;
         h = box.bottom - box.top ;

-       } 
-       else 
-       {
-               x = y = w = h = 0;
-       }
-}

 
 

-wxRect wxRegion::GetBox() const
-{
-    wxCoord x, y, w, h;
-    GetBox(x, y, w, h);
-    return wxRect(x, y, w, h);
+        return true;
+    }
+    else
+    {
+        x = y = w = h = 0;
+
+        return false;
+    }

 }
 
 // Is region empty?
 }
 
 // Is region empty?

-bool wxRegion::Empty() const
+bool wxRegion::IsEmpty() const

 {
 {

-    return EmptyRgn( M_REGION ) ;
+    if ( m_refData )
+        return EmptyRgn( M_REGION ) ;
+    else
+        return true ;

 }
 
 const WXHRGN wxRegion::GetWXHRGN() const
 {
 }
 
 const WXHRGN wxRegion::GetWXHRGN() const
 {

-       return M_REGION ;
+    return M_REGION ;

 }
 
 //-----------------------------------------------------------------------------
 //# Tests
 //-----------------------------------------------------------------------------
 
 }
 
 //-----------------------------------------------------------------------------
 //# 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;
-
-    // TODO. Return wxInRegion if within region.
-    if (0)
-        return wxInRegion;
-    return wxOutRegion;
-}
-
-// Does the region contain the point pt?
-wxRegionContain wxRegion::Contains(const wxPoint& pt) const
-{
-       if (!m_refData)
-               return wxOutRegion;
+    if (!m_refData)
+        return wxOutRegion;

 
 

-    Point p = { pt.y , pt.x } ;
+    Point p = { y , x } ;

     if (PtInRgn( p , M_REGION ) )
         return wxInRegion;
     if (PtInRgn( p , M_REGION ) )
         return wxInRegion;

-        
+

     return wxOutRegion;
 }
 
 // Does the region contain the rectangle (x, y, w, h)?
     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;
+    if (!m_refData)
+        return wxOutRegion;

 
 

-    Rect rect = { y , x , y + h , x + w } ;
+    Rect rect = { r.y , r.x , r.y + r.height , r.x + r.width } ;

     if (RectInRgn( &rect , M_REGION ) )
         return wxInRegion;
     else
         return wxOutRegion;
 }
 
     if (RectInRgn( &rect , M_REGION ) )
         return wxInRegion;
     else
         return wxOutRegion;
 }
 

-// Does the region contain the rectangle rect
-wxRegionContain wxRegion::Contains(const wxRect& rect) const
-{
-       if (!m_refData)
-               return wxOutRegion;
-
-    long x, y, w, h;
-    x = rect.x;
-    y = rect.y;
-    w = rect.GetWidth();
-    h = rect.GetHeight();
-    return Contains(x, y, w, h);
-}
-

 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-//                                                                                                                                                      //
-//                                                        wxRegionIterator                                                              //
-//                                                                                                                                                      //
+//                                                                           //
+//                               wxRegionIterator                            //
+//                                                                           //

 ///////////////////////////////////////////////////////////////////////////////
 
 /*!
  * Initialize empty iterator
  */
 ///////////////////////////////////////////////////////////////////////////////
 
 /*!
  * 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)
 {
 }
 
 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;

 }
 
 /*!
 }
 
 /*!


@@ -311,35 +347,85 @@ wxRegionIterator::wxRegionIterator(const wxRegion& region)
 {
     m_rects = NULL;
 
 {
     m_rects = NULL;
 

-       Reset(region);
+    Reset(region);

 }
 
 /*!
  * Reset iterator for a new /e 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)
 {
 void wxRegionIterator::Reset(const wxRegion& region)
 {

-       m_current = 0;
-       m_region = region;
+    m_current = 0;
+    m_region = region;

 
     if (m_rects)
 
     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;
-        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 );

     }
 }
 
     }
 }
 


@@ -347,47 +433,56 @@ void wxRegionIterator::Reset(const wxRegion& region)
  * Increment iterator. The rectangle returned is the one after the
  * incrementation.
  */
  * 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.
  */
 }
 
 /*!
  * 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
 {
 }
 
 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
 {
 }
 
 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
 {
 }
 
 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
 {
 }
 
 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;
+}