Initial revision

[wxWidgets.git] / src / msw / region.cpp

diff --git a/src/msw/region.cpp b/src/msw/region.cpp
index b5e7227e1ad3951a61ba4ce5658f639f280749a1..e40c381e7ddbddfc087527b2b23115d76e311bb5 100644 (file)
--- a/src/msw/region.cpp
+++ b/src/msw/region.cpp
@@ -1,9 +1,10 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// File:      region.cpp
+// Name:      msw/region.cpp

 // Purpose:   Region handling for wxWindows/X11
 // Author:    Markus Holzem
 // Purpose:   Region handling for wxWindows/X11
 // Author:    Markus Holzem

+// Modified by:

 // Created:   Fri Oct 24 10:46:34 MET 1997
 // Created:   Fri Oct 24 10:46:34 MET 1997

-// RCS-ID:       $Id$
+// RCS-ID:    $Id$

 // Copyright: (c) 1997 Julian Smart and Markus Holzem
 // Licence:   wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 // Copyright: (c) 1997 Julian Smart and Markus Holzem
 // Licence:   wxWindows licence
 /////////////////////////////////////////////////////////////////////////////


@@ -12,6 +13,7 @@
 #pragma implementation "region.h"
 #endif
 
 #pragma implementation "region.h"
 #endif
 

+// For compilers that support precompilation, includes "wx.h".

 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__


@@ -21,29 +23,30 @@
 #include "wx/msw/region.h"
 #include "wx/gdicmn.h"
 
 #include "wx/msw/region.h"
 #include "wx/gdicmn.h"
 

-#include <windows.h>
+#include "wx/window.h"
+#include "wx/msw/private.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
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // wxRegionRefData implementation
 //-----------------------------------------------------------------------------
 

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

 public:
 public:

-       wxRegionRefData(void)
-       {
-       }
+    wxRegionRefData()
+    {
+        m_region = 0;
+    }

 
 

-       wxRegionRefData(const wxRegionRefData& data)
-       {
+    wxRegionRefData(const wxRegionRefData& data)
+    {

 #if defined(__WIN32__)
         DWORD noBytes = ::GetRegionData(data.m_region, 0, NULL);
         RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 #if defined(__WIN32__)
         DWORD noBytes = ::GetRegionData(data.m_region, 0, NULL);
         RGNDATA *rgnData = (RGNDATA*) new char[noBytes];

-               ::GetRegionData(data.m_region, noBytes, rgnData);
+        ::GetRegionData(data.m_region, noBytes, rgnData);

         m_region = ::ExtCreateRegion(NULL, noBytes, rgnData);
         delete[] (char*) rgnData;
 #else
         m_region = ::ExtCreateRegion(NULL, noBytes, rgnData);
         delete[] (char*) rgnData;
 #else


@@ -51,15 +54,15 @@ public:
         ::GetRgnBox(data.m_region, &rect);
         m_region = ::CreateRectRgnIndirect(&rect);
 #endif
         ::GetRgnBox(data.m_region, &rect);
         m_region = ::CreateRectRgnIndirect(&rect);
 #endif

-       }
+    }

 
 

-       ~wxRegionRefData(void)
-       {
-               ::DeleteObject(m_region);
+    ~wxRegionRefData()
+    {
+        ::DeleteObject(m_region);

         m_region = 0;
         m_region = 0;

-       }
+    }

 
 

-       HRGN m_region;
+    HRGN m_region;

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


@@ -68,15 +71,21 @@ public:
 // wxRegion
 //-----------------------------------------------------------------------------
 
 // wxRegion
 //-----------------------------------------------------------------------------
 

-/*!
+/*

  * Create an empty region.
  */
  * Create an empty region.
  */

-wxRegion::wxRegion(void)
+wxRegion::wxRegion()

 {
     m_refData = new wxRegionRefData;
     M_REGION = ::CreateRectRgn(0, 0, 0, 0);
 }
 
 {
     m_refData = new wxRegionRefData;
     M_REGION = ::CreateRectRgn(0, 0, 0, 0);
 }
 

+wxRegion::wxRegion(WXHRGN hRegion)
+{
+    m_refData = new wxRegionRefData;
+    M_REGION = (HRGN) hRegion;
+}
+

 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;


@@ -95,35 +104,35 @@ wxRegion::wxRegion(const wxRect& rect)
     M_REGION = ::CreateRectRgn(rect.GetLeft(), rect.GetTop(), rect.GetRight(), rect.GetBottom());
 }
 
     M_REGION = ::CreateRectRgn(rect.GetLeft(), rect.GetTop(), rect.GetRight(), rect.GetBottom());
 }
 

-/*!
+/*

  * Destroy the region.
  */
  * Destroy the region.
  */

-wxRegion::~wxRegion(void)
+wxRegion::~wxRegion()

 {
     // m_refData unrefed in ~wxObject
 }
 
 //-----------------------------------------------------------------------------
 {
     // m_refData unrefed in ~wxObject
 }
 
 //-----------------------------------------------------------------------------

-//# Modify region
+// Modify region

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-//! Clear current region
-void wxRegion::Clear(void)
+// Clear current region
+void wxRegion::Clear()

 {
 {

-       UnRef();
+    UnRef();

 }
 
 }
 

-//! Combine rectangle (x, y, w, h) with this.
+// Combine rectangle (x, y, w, h) with this.

 bool wxRegion::Combine(long x, long y, long width, long height, wxRegionOp op)
 {
 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);
-       }
+    // 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);
+    }

     // If ref count is 1, that means it's 'ours' anyway so no action.
 
     HRGN rectRegion = ::CreateRectRgn(x, y, x + width, y + height);
     // If ref count is 1, that means it's 'ours' anyway so no action.
 
     HRGN rectRegion = ::CreateRectRgn(x, y, x + width, y + height);


@@ -140,27 +149,27 @@ bool wxRegion::Combine(long x, long y, long width, long height, wxRegionOp op)
             mode = RGN_COPY; break ;
     }
 
             mode = RGN_COPY; break ;
     }
 

-       bool success = (ERROR != ::CombineRgn(M_REGION, M_REGION, rectRegion, mode));
+    bool success = (ERROR != ::CombineRgn(M_REGION, M_REGION, rectRegion, mode));

 
     ::DeleteObject(rectRegion);
 
     return success;
 }
 
 
     ::DeleteObject(rectRegion);
 
     return success;
 }
 

-//! Union /e region with this.
+// Union /e region with this.

 bool wxRegion::Combine(const wxRegion& region, wxRegionOp op)
 {
 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);
-       }
+    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);
+    }

 
     int mode = 0;
     switch (op)
 
     int mode = 0;
     switch (op)


@@ -174,7 +183,7 @@ bool wxRegion::Combine(const wxRegion& region, wxRegionOp op)
             mode = RGN_COPY; break ;
     }
 
             mode = RGN_COPY; break ;
     }
 

-       return (ERROR != ::CombineRgn(M_REGION, M_REGION, ((wxRegionRefData*)region.m_refData)->m_region, mode));
+    return (ERROR != ::CombineRgn(M_REGION, M_REGION, ((wxRegionRefData*)region.m_refData)->m_region, mode));

 }
 
 bool wxRegion::Combine(const wxRect& rect, wxRegionOp op)
 }
 
 bool wxRegion::Combine(const wxRect& rect, wxRegionOp op)


@@ -183,25 +192,25 @@ bool wxRegion::Combine(const wxRect& rect, wxRegionOp op)
 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------

-//# Information on region
+// Information on region

 //-----------------------------------------------------------------------------
 
 // Outer bounds of region
 void wxRegion::GetBox(long& x, long& y, long&w, long &h) const
 {
 //-----------------------------------------------------------------------------
 
 // Outer bounds of region
 void wxRegion::GetBox(long& x, long& y, long&w, long &h) const
 {

-       if (m_refData) {
+    if (m_refData) {

         RECT rect;
         ::GetRgnBox(M_REGION, & rect);
         RECT rect;
         ::GetRgnBox(M_REGION, & rect);

-               x = rect.left;
-               y = rect.top;
-               w = rect.right - rect.left;
-               h = rect.bottom - rect.top;
-       } else {
-               x = y = w = h = 0;
-       }
+        x = rect.left;
+        y = rect.top;
+        w = rect.right - rect.left;
+        h = rect.bottom - rect.top;
+    } else {
+        x = y = w = h = 0;
+    }

 }
 
 }
 

-wxRect wxRegion::GetBox(void) const
+wxRect wxRegion::GetBox() const

 {
     long x, y, w, h;
     GetBox(x, y, w, h);
 {
     long x, y, w, h;
     GetBox(x, y, w, h);


@@ -209,7 +218,7 @@ wxRect wxRegion::GetBox(void) const
 }
 
 // Is region empty?
 }
 
 // Is region empty?

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

 {
     if (M_REGION == 0)
         return TRUE;
 {
     if (M_REGION == 0)
         return TRUE;


@@ -220,14 +229,14 @@ bool wxRegion::Empty(void) const
 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------

-//# Tests
+// Tests

 //-----------------------------------------------------------------------------
 
 // Does the region contain the point (x,y)?
 wxRegionContain wxRegion::Contains(long x, long y) const
 {
 //-----------------------------------------------------------------------------
 
 // Does the region contain the point (x,y)?
 wxRegionContain wxRegion::Contains(long x, long y) const
 {

-       if (!m_refData)
-               return wxOutRegion;
+    if (!m_refData)
+        return wxOutRegion;

 
     if (::PtInRegion(M_REGION, (int) x, (int) y))
         return wxInRegion;
 
     if (::PtInRegion(M_REGION, (int) x, (int) y))
         return wxInRegion;


@@ -238,8 +247,8 @@ wxRegionContain wxRegion::Contains(long x, long y) const
 // Does the region contain the point pt?
 wxRegionContain wxRegion::Contains(const wxPoint& pt) const
 {
 // Does the region contain the point pt?
 wxRegionContain wxRegion::Contains(const wxPoint& pt) const
 {

-       if (!m_refData)
-               return wxOutRegion;
+    if (!m_refData)
+        return wxOutRegion;

 
     if (::PtInRegion(M_REGION, (int) pt.x, (int) pt.y))
         return wxInRegion;
 
     if (::PtInRegion(M_REGION, (int) pt.x, (int) pt.y))
         return wxInRegion;


@@ -250,8 +259,8 @@ wxRegionContain wxRegion::Contains(const wxPoint& pt) const
 // Does the region contain the rectangle (x, y, w, h)?
 wxRegionContain wxRegion::Contains(long x, long y, long w, long h) const
 {
 // Does the region contain the rectangle (x, y, w, h)?
 wxRegionContain wxRegion::Contains(long x, long y, long w, long h) const
 {

-       if (!m_refData)
-               return wxOutRegion;
+    if (!m_refData)
+        return wxOutRegion;

 
     RECT rect;
     rect.left = x;
 
     RECT rect;
     rect.left = x;


@@ -268,8 +277,8 @@ wxRegionContain wxRegion::Contains(long x, long y, long w, long h) const
 // Does the region contain the rectangle rect
 wxRegionContain wxRegion::Contains(const wxRect& rect) const
 {
 // Does the region contain the rectangle rect
 wxRegionContain wxRegion::Contains(const wxRect& rect) const
 {

-       if (!m_refData)
-               return wxOutRegion;
+    if (!m_refData)
+        return wxOutRegion;

 
     long x, y, w, h;
     x = rect.x;
 
     long x, y, w, h;
     x = rect.x;


@@ -279,68 +288,76 @@ wxRegionContain wxRegion::Contains(const wxRect& rect) const
     return Contains(x, y, w, h);
 }
 
     return Contains(x, y, w, h);
 }
 

+// Get internal region handle
+WXHRGN wxRegion::GetHRGN() const
+{
+    if (!m_refData)
+        return (WXHRGN) 0;
+    return (WXHRGN) M_REGION;
+}
+

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

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

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

-/*!
+/*

  * Initialize empty iterator
  */
  * Initialize empty iterator
  */

-wxRegionIterator::wxRegionIterator(void) : m_current(0), m_numRects(0), m_rects(NULL)
+wxRegionIterator::wxRegionIterator() : m_current(0), m_numRects(0), m_rects(NULL)

 {
 }
 
 {
 }
 

-wxRegionIterator::~wxRegionIterator(void)
+wxRegionIterator::~wxRegionIterator()

 {
     if (m_rects)
         delete[] m_rects;
 }
 
 {
     if (m_rects)
         delete[] m_rects;
 }
 

-/*!
+/*

  * Initialize iterator for region
  */
 wxRegionIterator::wxRegionIterator(const wxRegion& region)
 {
     m_rects = NULL;
 
  * Initialize iterator for region
  */
 wxRegionIterator::wxRegionIterator(const wxRegion& region)
 {
     m_rects = NULL;
 

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

 }
 
 }
 

-/*!
+/*

  * Reset iterator for a new /e region.
  */
 void wxRegionIterator::Reset(const wxRegion& region)
 {
  * Reset iterator for a new /e region.
  */
 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;
 
 
     if (m_rects)
         delete[] m_rects;
 
     m_rects = NULL;
 

-       if (m_region.Empty())
-               m_numRects = 0;
-       else
+    if (m_region.Empty())
+        m_numRects = 0;
+    else

     {
 #if defined(__WIN32__)
         DWORD noBytes = ::GetRegionData(((wxRegionRefData*)region.m_refData)->m_region, 0, NULL);
         RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
     {
 #if defined(__WIN32__)
         DWORD noBytes = ::GetRegionData(((wxRegionRefData*)region.m_refData)->m_region, 0, NULL);
         RGNDATA *rgnData = (RGNDATA*) new char[noBytes];

-               ::GetRegionData(((wxRegionRefData*)region.m_refData)->m_region, noBytes, rgnData);
+        ::GetRegionData(((wxRegionRefData*)region.m_refData)->m_region, noBytes, rgnData);

 
         RGNDATAHEADER* header = (RGNDATAHEADER*) rgnData;
 
         m_rects = new wxRect[header->nCount];
 
 
         RGNDATAHEADER* header = (RGNDATAHEADER*) rgnData;
 
         m_rects = new wxRect[header->nCount];
 

-        RECT* rect = (RECT*) (rgnData + sizeof(RGNDATAHEADER)) ;
-        uint i;
+        RECT* rect = (RECT*) ((char*)rgnData + sizeof(RGNDATAHEADER)) ;
+        size_t i;

         for (i = 0; i < header->nCount; i++)
         {
             m_rects[i] = wxRect(rect->left, rect->top,
                                  rect->right - rect->left, rect->bottom - rect->top);
         for (i = 0; i < header->nCount; i++)
         {
             m_rects[i] = wxRect(rect->left, rect->top,
                                  rect->right - rect->left, rect->bottom - rect->top);

-            rect += sizeof(RECT);
+            rect ++; // Advances pointer by sizeof(RECT)

         }
 
         m_numRects = header->nCount;
         }
 
         m_numRects = header->nCount;


@@ -360,51 +377,51 @@ 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 ++ (void)
+void wxRegionIterator::operator ++ ()

 {
 {

-       if (m_current < m_numRects)
-               ++m_current;
+    if (m_current < m_numRects)
+        ++m_current;

 }
 
 }
 

-/*!
+/*

  * Increment iterator. The rectangle returned is the one before the
  * incrementation.
  */
 void wxRegionIterator::operator ++ (int)
 {
  * Increment iterator. The rectangle returned is the one before the
  * incrementation.
  */
 void wxRegionIterator::operator ++ (int)
 {

-       if (m_current < m_numRects)
-               ++m_current;
+    if (m_current < m_numRects)
+        ++m_current;

 }
 
 }
 

-long wxRegionIterator::GetX(void) 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(void) 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(void) 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(void) 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;

 }
 
 }