X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/461e93f921df33c09637db5dddcfd07411ff0ded..80f3f3beb68c3aabfdf521e78b383c41399ac75e:/src/x11/region.cpp?ds=sidebyside

diff --git a/src/x11/region.cpp b/src/x11/region.cpp
index a8f536416b..bf46762fe0 100644
--- a/src/x11/region.cpp
+++ b/src/x11/region.cpp
@@ -1,20 +1,22 @@
 /////////////////////////////////////////////////////////////////////////////
-// File:      region.cpp
+// File:      src/x11/region.cpp
 // Purpose:   Region class
-// Author:    Markus Holzem, Julian Smart, Robert Roebling
+// Author:    Julian Smart, Robert Roebling
 // Created:   Fri Oct 24 10:46:34 MET 1997
-// RCS-ID:      $Id$
-// Copyright: (c) 1997 Markus Holzem, Julian Smart, Robert Roebling
+// RCS-ID:    $Id$
+// Copyright: (c) 1997 Julian Smart, Robert Roebling
 // Licence:   wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "region.h"
-#endif
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #include "wx/region.h"
-#include "wx/gdicmn.h"
-#include "wx/log.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/gdicmn.h"
+#endif
 
 #ifdef __VMS__
 #pragma message disable nosimpint
@@ -36,14 +38,14 @@ public:
     {
         m_region = NULL;
     }
-    
+
     wxRegionRefData(const wxRegionRefData& refData)
     {
         m_region = XCreateRegion();
         XUnionRegion( refData.m_region, m_region, m_region );
     }
-    
-    ~wxRegionRefData()
+
+    virtual ~wxRegionRefData()
     {
         if (m_region)
             XDestroyRegion( m_region );
@@ -59,8 +61,8 @@ public:
 #define M_REGIONDATA ((wxRegionRefData *)m_refData)
 #define M_REGIONDATA_OF(rgn) ((wxRegionRefData *)(rgn.m_refData))
 
-IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject);
-IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);
+IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
+IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject)
 
 // ----------------------------------------------------------------------------
 // wxRegion construction
@@ -71,18 +73,18 @@ IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);
 void wxRegion::InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
 {
     XRectangle rect;
-    rect.x = x;
-    rect.y = y;
-    rect.width = w;
-    rect.height = h;
-    
+    rect.x = (short)x;
+    rect.y = (short)y;
+    rect.width = (unsigned short)w;
+    rect.height = (unsigned short)h;
+
     m_refData = new wxRegionRefData();
-    
+
     M_REGIONDATA->m_region = XCreateRegion();
     XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
 }
 
-wxRegion::wxRegion( size_t n, const wxPoint *points, int fillStyle )
+wxRegion::wxRegion( size_t WXUNUSED(n), const wxPoint *WXUNUSED(points), int WXUNUSED(fillStyle) )
 {
 #if 0
     XPoint *xpoints = new XPoint[n];
@@ -127,15 +129,10 @@ wxObjectRefData *wxRegion::CloneRefData(const wxObjectRefData *data) const
 // wxRegion comparison
 // ----------------------------------------------------------------------------
 
-bool wxRegion::operator==( const wxRegion& region )
+bool wxRegion::DoIsEqual(const wxRegion& region) const
 {
-    if (m_refData == region.m_refData) return TRUE;
-
-    if (!m_refData || !region.m_refData) return FALSE;
-    
-    // compare the regions themselves, not the pointers to ref data!
     return XEqualRegion( M_REGIONDATA->m_region,
-                         M_REGIONDATA_OF(region)->m_region );
+                         M_REGIONDATA_OF(region)->m_region ) == True;
 }
 
 // ----------------------------------------------------------------------------
@@ -147,39 +144,38 @@ void wxRegion::Clear()
     UnRef();
 }
 
-bool wxRegion::Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+bool wxRegion::DoUnionWithRect(const wxRect& r)
 {
+    // work around for XUnionRectWithRegion() bug: taking a union with an empty
+    // rect results in an empty region (at least XFree 3.3.6 and 4.0 have this
+    // problem)
+    if ( r.IsEmpty() )
+        return true;
+
     XRectangle rect;
-    rect.x = x;
-    rect.y = y;
-    rect.width = width;
-    rect.height = height;
-    
+    rect.x = (short)r.x;
+    rect.y = (short)r.y;
+    rect.width = (unsigned short)r.width;
+    rect.height = (unsigned short)r.height;
+
     if (!m_refData)
     {
         m_refData = new wxRegionRefData();
         M_REGIONDATA->m_region = XCreateRegion();
-        XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
     }
     else
     {
         AllocExclusive();
-
-        XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
     }
 
-    return TRUE;
-}
+    XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
 
-bool wxRegion::Union( const wxRect& rect )
-{
-    return Union( rect.x, rect.y, rect.width, rect.height );
+    return true;
 }
 
-bool wxRegion::Union( const wxRegion& region )
+bool wxRegion::DoUnionWithRegion( const wxRegion& region )
 {
-    if (region.IsNull())
-        return FALSE;
+    wxCHECK_MSG( region.Ok(), false, _T("invalid region") );
 
     if (!m_refData)
     {
@@ -190,40 +186,25 @@ bool wxRegion::Union( const wxRegion& region )
     {
         AllocExclusive();
     }
-    
+
     XUnionRegion( M_REGIONDATA->m_region,
                   M_REGIONDATA_OF(region)->m_region,
                   M_REGIONDATA->m_region );
 
-    return TRUE;
-}
-
-bool wxRegion::Intersect( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
-{
-    wxRegion reg( x, y, width, height );
-
-    return Intersect( reg );
+    return true;
 }
 
-bool wxRegion::Intersect( const wxRect& rect )
+bool wxRegion::DoIntersect( const wxRegion& region )
 {
-    wxRegion reg( rect );
-    
-    return Intersect( reg );
-}
-
-bool wxRegion::Intersect( const wxRegion& region )
-{
-    if (region.IsNull())
-        return FALSE;
+    wxCHECK_MSG( region.Ok(), false, _T("invalid region") );
 
     if (!m_refData)
     {
         m_refData = new wxRegionRefData();
         M_REGIONDATA->m_region = XCreateRegion();
-        
-        // leave here 
-        return TRUE;
+
+        // leave here
+        return true;
     }
     else
     {
@@ -234,25 +215,12 @@ bool wxRegion::Intersect( const wxRegion& region )
                       M_REGIONDATA_OF(region)->m_region,
                       M_REGIONDATA->m_region );
 
-    return TRUE;
-}
-
-bool wxRegion::Subtract( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
-{
-    wxRegion reg( x, y, width, height );
-    return Subtract( reg );
-}
-
-bool wxRegion::Subtract( const wxRect& rect )
-{
-    wxRegion reg( rect );
-    return Subtract( reg );
+    return true;
 }
 
-bool wxRegion::Subtract( const wxRegion& region )
+bool wxRegion::DoSubtract( const wxRegion& region )
 {
-    if (region.IsNull())
-        return FALSE;
+    wxCHECK_MSG( region.Ok(), false, _T("invalid region") );
 
     if (!m_refData)
     {
@@ -268,25 +236,12 @@ bool wxRegion::Subtract( const wxRegion& region )
                      M_REGIONDATA_OF(region)->m_region,
                      M_REGIONDATA->m_region );
 
-    return TRUE;
+    return true;
 }
 
-bool wxRegion::Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+bool wxRegion::DoXor( const wxRegion& region )
 {
-    wxRegion reg( x, y, width, height );
-    return Xor( reg );
-}
-
-bool wxRegion::Xor( const wxRect& rect )
-{
-    wxRegion reg( rect );
-    return Xor( reg );
-}
-
-bool wxRegion::Xor( const wxRegion& region )
-{
-    if (region.IsNull())
-        return FALSE;
+    wxCHECK_MSG( region.Ok(), false, _T("invalid region") );
 
     if (!m_refData)
     {
@@ -301,15 +256,15 @@ bool wxRegion::Xor( const wxRegion& region )
     XXorRegion( M_REGIONDATA->m_region,
                 M_REGIONDATA_OF(region)->m_region,
                 M_REGIONDATA->m_region );
-                
-    return TRUE;
+
+    return true;
 }
 
 // ----------------------------------------------------------------------------
 // wxRegion tests
 // ----------------------------------------------------------------------------
 
-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)
     {
@@ -319,6 +274,8 @@ void wxRegion::GetBox( wxCoord &x, wxCoord &y, wxCoord &w, wxCoord &h ) const
         y = rect.y;
         w = rect.width;
         h = rect.height;
+
+        return true;
     }
     else
     {
@@ -326,37 +283,32 @@ void wxRegion::GetBox( wxCoord &x, wxCoord &y, wxCoord &w, wxCoord &h ) const
         y = 0;
         w = -1;
         h = -1;
-    }
-}
 
-wxRect wxRegion::GetBox() const
-{
-    wxCoord x, y, w, h;
-    GetBox( x, y, w, h );
-    return wxRect( x, y, w, h );
+        return false;
+    }
 }
 
-bool wxRegion::Offset( wxCoord x, wxCoord y )
+bool wxRegion::DoOffset( wxCoord x, wxCoord y )
 {
     if (!m_refData)
-        return FALSE;
+        return false;
 
     AllocExclusive();
 
     XOffsetRegion( M_REGIONDATA->m_region, x, y );
 
-    return TRUE;
+    return true;
 }
 
-bool wxRegion::Empty() const
+bool wxRegion::IsEmpty() const
 {
     if (!m_refData)
-        return TRUE;
+        return true;
 
-    return XEmptyRegion( M_REGIONDATA->m_region );
+    return XEmptyRegion( M_REGIONDATA->m_region ) == True;
 }
 
-wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y ) const
+wxRegionContain wxRegion::DoContainsPoint( wxCoord x, wxCoord y ) const
 {
     if (!m_refData)
         return wxOutRegion;
@@ -367,12 +319,12 @@ wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y ) const
         return wxOutRegion;
 }
 
-wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) const
+wxRegionContain wxRegion::DoContainsRect(const wxRect& r) const
 {
     if (!m_refData)
         return wxOutRegion;
 
-    int res = XRectInRegion( M_REGIONDATA->m_region, x, y, w, h );
+    int res = XRectInRegion(M_REGIONDATA->m_region, r.x, r.y, r.width, r.height);
     switch (res)
     {
         case RectangleIn:   return wxInRegion;
@@ -382,16 +334,6 @@ wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
     return wxOutRegion;
 }
 
-wxRegionContain wxRegion::Contains(const wxPoint& pt) const
-{
-    return Contains( pt.x, pt.y );
-}
-
-wxRegionContain wxRegion::Contains(const wxRect& rect) const
-{
-    return Contains( rect.x, rect.y, rect.width, rect.height );
-}
-
 WXRegion *wxRegion::GetX11Region() const
 {
     if (!m_refData)
@@ -424,7 +366,7 @@ class wxRIRefData: public wxObjectRefData
 public:
 
     wxRIRefData() : m_rects(0), m_numRects(0){}
-   ~wxRIRefData();
+   virtual ~wxRIRefData();
 
     wxRect *m_rects;
     size_t  m_numRects;
@@ -434,19 +376,19 @@ public:
 
 wxRIRefData::~wxRIRefData()
 {
-    delete m_rects;
+    delete [] m_rects;
 }
 
 void wxRIRefData::CreateRects( const wxRegion& region )
 {
     if (m_rects)
-      delete m_rects;
+      delete [] m_rects;
 
     m_rects = 0;
     m_numRects = 0;
-    
+
     if (region.IsEmpty()) return;
-    
+
     Region r = (Region) region.GetX11Region();
     if (r)
     {
@@ -549,4 +491,3 @@ wxRect wxRegionIterator::GetRect() const
 
     return r;
 }
-