Support using GetTextExtent() with empty string to get descent in wxOSX.

[wxWidgets.git] / include / wx / pen.h

diff --git a/include/wx/pen.h b/include/wx/pen.h
index d4603f714dab72e677563f8ba785e92c1301e30b..9210013b1f1a8234119e8e1c8838727fc4acf784 100644 (file)
--- a/include/wx/pen.h
+++ b/include/wx/pen.h
@@ -1,21 +1,165 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/pen.h
+// Purpose:     Base header for wxPen
+// Author:      Julian Smart
+// Modified by:
+// Created:
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows Licence
+/////////////////////////////////////////////////////////////////////////////
+

 #ifndef _WX_PEN_H_BASE_
 #define _WX_PEN_H_BASE_
 
 #ifndef _WX_PEN_H_BASE_
 #define _WX_PEN_H_BASE_
 

+#include "wx/gdiobj.h"
+#include "wx/gdicmn.h"
+
+enum wxPenStyle
+{
+    wxPENSTYLE_INVALID = -1,
+
+    wxPENSTYLE_SOLID = wxSOLID,
+    wxPENSTYLE_DOT = wxDOT,
+    wxPENSTYLE_LONG_DASH = wxLONG_DASH,
+    wxPENSTYLE_SHORT_DASH = wxSHORT_DASH,
+    wxPENSTYLE_DOT_DASH = wxDOT_DASH,
+    wxPENSTYLE_USER_DASH = wxUSER_DASH,
+
+    wxPENSTYLE_TRANSPARENT = wxTRANSPARENT,
+
+    wxPENSTYLE_STIPPLE_MASK_OPAQUE = wxSTIPPLE_MASK_OPAQUE,
+    wxPENSTYLE_STIPPLE_MASK = wxSTIPPLE_MASK,
+    wxPENSTYLE_STIPPLE = wxSTIPPLE,
+
+    wxPENSTYLE_BDIAGONAL_HATCH = wxHATCHSTYLE_BDIAGONAL,
+    wxPENSTYLE_CROSSDIAG_HATCH = wxHATCHSTYLE_CROSSDIAG,
+    wxPENSTYLE_FDIAGONAL_HATCH = wxHATCHSTYLE_FDIAGONAL,
+    wxPENSTYLE_CROSS_HATCH = wxHATCHSTYLE_CROSS,
+    wxPENSTYLE_HORIZONTAL_HATCH = wxHATCHSTYLE_HORIZONTAL,
+    wxPENSTYLE_VERTICAL_HATCH = wxHATCHSTYLE_VERTICAL,
+    wxPENSTYLE_FIRST_HATCH = wxHATCHSTYLE_FIRST,
+    wxPENSTYLE_LAST_HATCH = wxHATCHSTYLE_LAST
+};
+
+enum wxPenJoin
+{
+    wxJOIN_INVALID = -1,
+
+    wxJOIN_BEVEL = 120,
+    wxJOIN_MITER,
+    wxJOIN_ROUND
+};
+
+enum wxPenCap
+{
+    wxCAP_INVALID = -1,
+
+    wxCAP_ROUND = 130,
+    wxCAP_PROJECTING,
+    wxCAP_BUTT
+};
+
+
+class WXDLLIMPEXP_CORE wxPenBase : public wxGDIObject
+{
+public:
+    virtual ~wxPenBase() { }
+
+    virtual void SetColour(const wxColour& col) = 0;
+    virtual void SetColour(unsigned char r, unsigned char g, unsigned char b) = 0;
+
+    virtual void SetWidth(int width) = 0;
+    virtual void SetStyle(wxPenStyle style) = 0;
+    virtual void SetStipple(const wxBitmap& stipple) = 0;
+    virtual void SetDashes(int nb_dashes, const wxDash *dash) = 0;
+    virtual void SetJoin(wxPenJoin join) = 0;
+    virtual void SetCap(wxPenCap cap) = 0;
+
+    virtual wxColour GetColour() const = 0;
+    virtual wxBitmap *GetStipple() const = 0;
+    virtual wxPenStyle GetStyle() const = 0;
+    virtual wxPenJoin GetJoin() const = 0;
+    virtual wxPenCap GetCap() const = 0;
+    virtual int GetWidth() const = 0;
+    virtual int GetDashes(wxDash **ptr) const = 0;
+
+    // Convenient helpers for testing whether the pen is a transparent one:
+    // unlike GetStyle() == wxPENSTYLE_TRANSPARENT, they work correctly even if
+    // the pen is invalid (they both return false in this case).
+    bool IsTransparent() const
+    {
+        return IsOk() && GetStyle() == wxPENSTYLE_TRANSPARENT;
+    }
+
+    bool IsNonTransparent() const
+    {
+        return IsOk() && GetStyle() != wxPENSTYLE_TRANSPARENT;
+    }
+};
+

 #if defined(__WXMSW__)
 #if defined(__WXMSW__)

-#include "wx/msw/pen.h"
-#elif defined(__WXMOTIF__)
-#include "wx/x11/pen.h"
+    #include "wx/msw/pen.h"
+#elif defined(__WXMOTIF__) || defined(__WXX11__)
+    #include "wx/x11/pen.h"
+#elif defined(__WXGTK20__)
+    #include "wx/gtk/pen.h"

 #elif defined(__WXGTK__)
 #elif defined(__WXGTK__)

-#include "wx/gtk/pen.h"
-#elif defined(__WXX11__)
-#include "wx/x11/pen.h"
-#elif defined(__WXMGL__)
-#include "wx/mgl/pen.h"
+    #include "wx/gtk1/pen.h"
+#elif defined(__WXDFB__)
+    #include "wx/dfb/pen.h"

 #elif defined(__WXMAC__)
 #elif defined(__WXMAC__)

-#include "wx/mac/pen.h"
+    #include "wx/osx/pen.h"
+#elif defined(__WXCOCOA__)
+    #include "wx/cocoa/pen.h"

 #elif defined(__WXPM__)
 #elif defined(__WXPM__)

-#include "wx/os2/pen.h"
+    #include "wx/os2/pen.h"

 #endif
 
 #endif
 

+class WXDLLIMPEXP_CORE wxPenList: public wxGDIObjListBase
+{
+public:
+    wxPen *FindOrCreatePen(const wxColour& colour,
+                           int width = 1,
+                           wxPenStyle style = wxPENSTYLE_SOLID);
+
+#if FUTURE_WXWIN_COMPATIBILITY_3_0
+    wxPen *FindOrCreatePen(const wxColour& colour, int width, int style)
+        { return FindOrCreatePen(colour, width, (wxPenStyle)style); }
+#endif
+#if WXWIN_COMPATIBILITY_2_6
+    wxDEPRECATED( void AddPen(wxPen*) );
+    wxDEPRECATED( void RemovePen(wxPen*) );

 #endif
 #endif

-    // _WX_PEN_H_BASE_
+};
+
+extern WXDLLIMPEXP_DATA_CORE(wxPenList*)   wxThePenList;
+
+// provide comparison operators to allow code such as
+//
+//      if ( pen.GetStyle() == wxTRANSPARENT )
+//
+// to compile without warnings which it would otherwise provoke from some
+// compilers as it compares elements of different enums
+#if FUTURE_WXWIN_COMPATIBILITY_3_0
+
+// Unfortunately some compilers have ambiguity issues when enum comparisons are
+// overloaded so we have to disable the overloads in this case, see
+// wxCOMPILER_NO_OVERLOAD_ON_ENUM definition in wx/platform.h for more details.
+#ifndef wxCOMPILER_NO_OVERLOAD_ON_ENUM
+
+inline bool operator==(wxPenStyle s, wxDeprecatedGUIConstants t)
+{
+    return static_cast<int>(s) == static_cast<int>(t);
+}
+
+inline bool operator!=(wxPenStyle s, wxDeprecatedGUIConstants t)
+{
+    return !(s == t);
+}
+
+#endif // wxCOMPILER_NO_OVERLOAD_ON_ENUM
+
+#endif // FUTURE_WXWIN_COMPATIBILITY_3_0
+
+#endif // _WX_PEN_H_BASE_