IMPLEMENT_ABSTRACT_CLASS(wxDCBase, wxObject)
-wxRect::wxRect(const wxPoint& topLeft, const wxPoint& bottomRight)
+wxRect::wxRect(const wxPoint& point1, const wxPoint& point2)
{
- x = topLeft.x;
- y = topLeft.y;
- width = bottomRight.x - topLeft.x + 1;
- height = bottomRight.y - topLeft.y + 1;
+ x = point1.x;
+ y = point1.y;
+ width = point2.x - point1.x;
+ height = point2.y - point1.y;
if (width < 0)
{
width = -width;
- x -= width;
+ x = point2.x;
}
+ width++;
if (height < 0)
{
height = -height;
- y -= height;
+ y = point2.y;
}
+ height++;
}
wxRect::wxRect(const wxPoint& point, const wxSize& size)
return r.width != 0;
}
-WX_DECLARE_STRING_HASH_MAP( wxColour*, wxStringToColourHashMap );
+// ============================================================================
+// wxColourDatabase
+// ============================================================================
+
+WX_DECLARE_STRING_HASH_MAP( wxColour *, wxStringToColourHashMap );
+
+// ----------------------------------------------------------------------------
+// wxColourDatabase ctor/dtor
+// ----------------------------------------------------------------------------
wxColourDatabase::wxColourDatabase ()
{
- m_map = new wxStringToColourHashMap;
+ // will be created on demand in Initialize()
+ m_map = NULL;
}
wxColourDatabase::~wxColourDatabase ()
{
- WX_CLEAR_HASH_MAP(wxStringToColourHashMap, *m_map);
+ if ( m_map )
+ {
+ WX_CLEAR_HASH_MAP(wxStringToColourHashMap, *m_map);
+
+ delete m_map;
+ }
- delete m_map;
- m_map = NULL;
#ifdef __WXPM__
delete [] m_palTable;
#endif
}
// Colour database stuff
-void wxColourDatabase::Initialize ()
+void wxColourDatabase::Initialize()
{
+ if ( m_map )
+ {
+ // already initialized
+ return;
+ }
+
+ m_map = new wxStringToColourHashMap;
+
static const struct wxColourDesc
{
const wxChar *name;
{wxT("WHEAT"), 216, 216, 191},
{wxT("WHITE"), 255, 255, 255},
{wxT("YELLOW"), 255, 255, 0},
- {wxT("YELLOW GREEN"), 153, 204, 50},
{wxT("YELLOW GREEN"), 153, 204, 50}
};
- size_t n;
+ size_t n;
for ( n = 0; n < WXSIZEOF(wxColourTable); n++ )
{
const wxColourDesc& cc = wxColourTable[n];
- AddColour(cc.name, new wxColour(cc.r,cc.g,cc.b));
+ (*m_map)[cc.name] = new wxColour(cc.r, cc.g, cc.b);
}
+
#ifdef __WXPM__
m_palTable = new long[n];
for ( n = 0; n < WXSIZEOF(wxColourTable); n++ )
#endif
}
-/*
- * Changed by Ian Brown, July 1994.
- *
- * When running under X, the Colour Database starts off empty. The X server
- * is queried for the colour first time after which it is entered into the
- * database. This allows our client to use the server colour database which
- * is hopefully gamma corrected for the display being used.
- */
-
-wxColour *wxColourDatabase::FindColour(const wxString& colour)
-{
- return FindColour(colour, true);
-}
+// ----------------------------------------------------------------------------
+// wxColourDatabase operations
+// ----------------------------------------------------------------------------
-wxColour *wxColourDatabase::FindColourNoAdd(const wxString& colour) const
+void wxColourDatabase::AddColour(const wxString& name, const wxColour& colour)
{
- return ((wxColourDatabase*)this)->FindColour(colour, false);
-}
+ Initialize();
-void wxColourDatabase::AddColour (const wxString& name, wxColour* colour)
-{
+ // canonicalize the colour names before using them as keys: they should be
+ // in upper case
wxString colName = name;
colName.MakeUpper();
- wxString colName2 = colName;
- if ( !colName2.Replace(_T("GRAY"), _T("GREY")) )
- colName2.clear();
+
+ // ... and we also allow both grey/gray
+ wxString colNameAlt = colName;
+ if ( !colNameAlt.Replace(_T("GRAY"), _T("GREY")) )
+ {
+ // but in this case it is not necessary so avoid extra search below
+ colNameAlt.clear();
+ }
wxStringToColourHashMap::iterator it = m_map->find(colName);
- if ( it == m_map->end() )
- it = m_map->find(colName2);
+ if ( it == m_map->end() && !colNameAlt.empty() )
+ it = m_map->find(colNameAlt);
if ( it != m_map->end() )
{
- delete it->second;
- it->second = colour;
+ *(it->second) = colour;
+ }
+ else // new colour
+ {
+ (*m_map)[name] = new wxColour(colour);
}
-
- (*m_map)[name] = colour;
}
-wxColour *wxColourDatabase::FindColour(const wxString& colour, bool add)
+wxColour wxColourDatabase::Find(const wxString& colour) const
{
- // VZ: make the comparaison case insensitive and also match both grey and
- // gray
+ wxColourDatabase * const self = wxConstCast(this, wxColourDatabase);
+ self->Initialize();
+
+ // first look among the existing colours
+
+ // make the comparaison case insensitive and also match both grey and gray
wxString colName = colour;
colName.MakeUpper();
- wxString colName2 = colName;
- if ( !colName2.Replace(_T("GRAY"), _T("GREY")) )
- colName2.clear();
+ wxString colNameAlt = colName;
+ if ( !colNameAlt.Replace(_T("GRAY"), _T("GREY")) )
+ colNameAlt.clear();
wxStringToColourHashMap::iterator it = m_map->find(colName);
- if ( it == m_map->end() )
- it = m_map->find(colName2);
+ if ( it == m_map->end() && !colNameAlt.empty() )
+ it = m_map->find(colNameAlt);
if ( it != m_map->end() )
- return it->second;
-
- if ( !add )
- return NULL;
+ return *(it->second);
-#ifdef __WXMSW__
- return NULL;
-#endif
-#ifdef __WXPM__
- return NULL;
-#endif
-#ifdef __WXMGL__
- return NULL;
-#endif
-
-// TODO for other implementations. This should really go into
-// platform-specific directories.
-#ifdef __WXMAC__
- return NULL;
-#endif
-#ifdef __WXCOCOA__
- return NULL;
-#endif
-#ifdef __WXSTUBS__
- return NULL;
-#endif
+ // if we didn't find it, query the system, maybe it knows about it
+#if defined(__WXGTK__) || defined(__X__)
+ wxColour col = wxColour::CreateByName(colour);
-#ifdef __WXGTK__
- wxColour *col = new wxColour( colour );
-
- if (!(col->Ok()))
- {
- delete col;
- return (wxColour *) NULL;
- }
- AddColour(colour, col);
- return col;
-#endif
+ if ( col.Ok() )
+ {
+ // cache it
+ self->AddColour(colour, col);
+ }
-#ifdef __X__
+ return col;
+#elif defined(__X__)
+ // TODO: move this to wxColour::CreateByName()
XColor xcolour;
#ifdef __WXMOTIF__
#endif
/* MATTHEW: [4] Use wxGetMainColormap */
if (!XParseColor(display, (Colormap) wxTheApp->GetMainColormap((WXDisplay*) display), colour.ToAscii() ,&xcolour))
- return NULL;
+ return NULL;
#if wxUSE_NANOX
unsigned char r = (unsigned char)(xcolour.red);
unsigned char b = (unsigned char)(xcolour.blue >> 8);
#endif
- wxColour *col = new wxColour(r, g, b);
+ wxColour col(r, g, b);
AddColour(colour, col);
return col;
-#endif // __X__
+#else // other platform
+ return wxNullColour;
+#endif // platforms
}
-wxString wxColourDatabase::FindName (const wxColour& colour) const
+wxString wxColourDatabase::FindName(const wxColour& colour) const
{
- unsigned char red = colour.Red ();
- unsigned char green = colour.Green ();
- unsigned char blue = colour.Blue ();
+ wxColourDatabase * const self = wxConstCast(this, wxColourDatabase);
+ self->Initialize();
typedef wxStringToColourHashMap::iterator iterator;
- for (iterator it = m_map->begin(), en = m_map->end(); it != en; ++it )
+ for ( iterator it = m_map->begin(), en = m_map->end(); it != en; ++it )
{
- wxColour *col = it->second;
-
- if (col->Red () == red && col->Green () == green && col->Blue () == blue)
+ if ( *(it->second) == colour )
return it->first;
}
return wxEmptyString;
}
+// ----------------------------------------------------------------------------
+// deprecated wxColourDatabase methods
+// ----------------------------------------------------------------------------
+
+wxColour *wxColourDatabase::FindColour(const wxString& name)
+{
+ // This function is deprecated, use Find() instead.
+ // Formerly this function sometimes would return a deletable pointer and
+ // sometimes a non-deletable one (when returning a colour from the database).
+ // Trying to delete the latter anyway results in problems, so probably
+ // nobody ever freed the pointers. Currently it always returns a new
+ // instance, which means there will be memory leaks.
+ wxLogDebug(wxT("wxColourDataBase::FindColour():")
+ wxT(" Please use wxColourDataBase::Find() instead"));
+
+ // using a static variable here is not the most elegant solution but unless
+ // we want to make wxStringToColourHashMap public (i.e. move it to the
+ // header) so that we could have a member function returning
+ // wxStringToColourHashMap::iterator, there is really no good way to do it
+ // otherwise
+ //
+ // and knowing that this function is going to disappear in the next release
+ // anyhow I don't want to waste time on this
+
+ static wxColour s_col;
+
+ s_col = Find(name);
+ if ( !s_col.Ok() )
+ return NULL;
+
+ return new wxColour(s_col);
+}
+
+// ============================================================================
+// stock objects
+// ============================================================================
+
void wxInitializeStockLists()
{
wxTheColourDatabase = new wxColourDatabase;
- wxTheColourDatabase->Initialize();
wxTheBrushList = new wxBrushList;
wxThePenList = new wxPenList;
projects / wxWidgets.git / blobdiff