Fix crash in wxDC::GetMultiLineTextExtent() after last commit.

[wxWidgets.git] / src / gtk / brush.cpp

diff --git a/src/gtk/brush.cpp b/src/gtk/brush.cpp
index 68d4d985f9722bef02dac87bac37afae3935c41c..667c6df8e4a55e05687633c6d9684fbfd7b3f4c3 100644 (file)
--- a/src/gtk/brush.cpp
+++ b/src/gtk/brush.cpp
@@ -7,40 +7,48 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "brush.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #include "wx/brush.h"
 
-#include <gdk/gdk.h>
+#ifndef WX_PRECOMP
+    #include "wx/bitmap.h"
+    #include "wx/colour.h"
+#endif
 
 //-----------------------------------------------------------------------------
 // wxBrush
 //-----------------------------------------------------------------------------
 
-class wxBrushRefData: public wxObjectRefData
+class wxBrushRefData: public wxGDIRefData
 {
 public:
-    wxBrushRefData();
-    wxBrushRefData( const wxBrushRefData& data );
+    wxBrushRefData(const wxColour& colour = wxNullColour, wxBrushStyle style = wxBRUSHSTYLE_SOLID)
+    {
+        m_style = style;
+        m_colour = colour;
+    }
 
-    int        m_style;
-    wxBitmap   m_stipple;
-    wxColour   m_colour;
-};
+    wxBrushRefData( const wxBrushRefData& data )
+        : wxGDIRefData()
+    {
+        m_style = data.m_style;
+        m_stipple = data.m_stipple;
+        m_colour = data.m_colour;
+    }
 
-wxBrushRefData::wxBrushRefData()
-{
-    m_style = 0;
-}
+    bool operator == (const wxBrushRefData& data) const
+    {
+        return (m_style == data.m_style &&
+                m_stipple.IsSameAs(data.m_stipple) &&
+                m_colour == data.m_colour);
+    }
 
-wxBrushRefData::wxBrushRefData( const wxBrushRefData& data )
-{
-    m_style = data.m_style;
-    m_stipple = data.m_stipple;
-    m_colour = data.m_colour;
-}
+    wxBrushStyle m_style;
+    wxColour     m_colour;
+    wxBitmap     m_stipple;
+};
 
 //-----------------------------------------------------------------------------
 
@@ -48,138 +56,105 @@ wxBrushRefData::wxBrushRefData( const wxBrushRefData& data )
 
 IMPLEMENT_DYNAMIC_CLASS(wxBrush,wxGDIObject)
 
-wxBrush::wxBrush()
+wxBrush::wxBrush( const wxColour &colour, wxBrushStyle style )
 {
+    m_refData = new wxBrushRefData(colour, style);
 }
 
-wxBrush::wxBrush( const wxColour &colour, int style )
+#if FUTURE_WXWIN_COMPATIBILITY_3_0
+wxBrush::wxBrush(const wxColour& col, int style)
 {
-    m_refData = new wxBrushRefData();
-    M_BRUSHDATA->m_style = style;
-    M_BRUSHDATA->m_colour = colour;
+    m_refData = new wxBrushRefData(col, (wxBrushStyle)style);
 }
+#endif
 
 wxBrush::wxBrush( const wxBitmap &stippleBitmap )
 {
-    m_refData = new wxBrushRefData();
-    M_BRUSHDATA->m_colour = *wxBLACK;
+    wxBrushStyle style = wxBRUSHSTYLE_STIPPLE;
+    if (stippleBitmap.GetMask())
+        style = wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE;
 
+    m_refData = new wxBrushRefData(*wxBLACK, style);
     M_BRUSHDATA->m_stipple = stippleBitmap;
-
-    if (M_BRUSHDATA->m_stipple.GetMask())
-        M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
-    else
-        M_BRUSHDATA->m_style = wxSTIPPLE;
-}
-
-wxBrush::wxBrush( const wxBrush &brush )
-{
-    Ref( brush );
 }
 
 wxBrush::~wxBrush()
 {
+    // m_refData unrefed in ~wxObject
 }
 
-wxBrush& wxBrush::operator = ( const wxBrush& brush )
+wxGDIRefData *wxBrush::CreateGDIRefData() const
 {
-    if ( m_refData != brush.m_refData )
-        Ref( brush );
-
-    return *this;
+    return new wxBrushRefData;
 }
 
-bool wxBrush::operator == ( const wxBrush& brush ) const
+wxGDIRefData *wxBrush::CloneGDIRefData(const wxGDIRefData *data) const
 {
-    return m_refData == brush.m_refData;
+    return new wxBrushRefData(*(wxBrushRefData *)data);
 }
 
-bool wxBrush::operator != ( const wxBrush& brush ) const
+bool wxBrush::operator==(const wxBrush& brush) const
 {
-    return m_refData != brush.m_refData;
-}
+    if (m_refData == brush.m_refData) return true;
 
-bool wxBrush::Ok() const
-{
-    return ((m_refData) && M_BRUSHDATA->m_colour.Ok());
+    if (!m_refData || !brush.m_refData) return false;
+
+    return ( *(wxBrushRefData*)m_refData == *(wxBrushRefData*)brush.m_refData );
 }
 
-int wxBrush::GetStyle() const
+wxBrushStyle wxBrush::GetStyle() const
 {
-    if (m_refData == NULL)
-    {
-        wxFAIL_MSG( wxT("invalid brush") );
-        return 0;
-    }
+    wxCHECK_MSG( IsOk(), wxBRUSHSTYLE_INVALID, wxT("invalid brush") );
 
     return M_BRUSHDATA->m_style;
 }
 
-wxColour &wxBrush::GetColour() const
+wxColour wxBrush::GetColour() const
 {
-    if (m_refData == NULL)
-    {
-        wxFAIL_MSG( wxT("invalid brush") );
-        return wxNullColour;
-    }
+    wxCHECK_MSG( IsOk(), wxNullColour, wxT("invalid brush") );
 
     return M_BRUSHDATA->m_colour;
 }
 
 wxBitmap *wxBrush::GetStipple() const
 {
-    if (m_refData == NULL)
-    {
-        wxFAIL_MSG( wxT("invalid brush") );
-        return &wxNullBitmap;
-    }
+    wxCHECK_MSG( IsOk(), NULL, wxT("invalid brush") );
 
     return &M_BRUSHDATA->m_stipple;
 }
 
 void wxBrush::SetColour( const wxColour& col )
 {
-    Unshare();
+    AllocExclusive();
+
     M_BRUSHDATA->m_colour = col;
 }
 
 void wxBrush::SetColour( unsigned char r, unsigned char g, unsigned char b )
 {
-    Unshare();
+    AllocExclusive();
+
     M_BRUSHDATA->m_colour.Set( r, g, b );
 }
 
-void wxBrush::SetStyle( int style )
+void wxBrush::SetStyle( wxBrushStyle style )
 {
-    Unshare();
+    AllocExclusive();
+
     M_BRUSHDATA->m_style = style;
 }
 
 void wxBrush::SetStipple( const wxBitmap& stipple )
 {
-    Unshare();
+    AllocExclusive();
+
     M_BRUSHDATA->m_stipple = stipple;
     if (M_BRUSHDATA->m_stipple.GetMask())
     {
-        M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
+        M_BRUSHDATA->m_style = wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE;
     }
     else
     {
-        M_BRUSHDATA->m_style = wxSTIPPLE;
+        M_BRUSHDATA->m_style = wxBRUSHSTYLE_STIPPLE;
     }
 }
-
-void wxBrush::Unshare()
-{
-    if (!m_refData)
-    {
-        m_refData = new wxBrushRefData();
-    }
-    else
-    {
-        wxBrushRefData* ref = new wxBrushRefData( *(wxBrushRefData*)m_refData );
-        UnRef();
-        m_refData = ref;
-    }
-}
-