Committed William Osborne's wxPalmOS port

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29996 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2004-10-19 13:40:30 +00:00
parent 698b34facd
commit ffecfa5aeb
260 changed files with 40716 additions and 44 deletions
--- a/include/wx/palmos/region.h
+++ b/include/wx/palmos/region.h
@@ -0,0 +1,195 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/palmos/region.h
+// Purpose:     wxRegion class
+// Author:      Julian Smart
+// Modified by:
+// Created:     01/02/97
+// RCS-ID:      $Id$
+// Copyright:   (c) 1997-2002 wxWidgets team
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_REGION_H_
+#define _WX_REGION_H_
+
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+    #pragma interface "region.h"
+#endif
+
+#include "wx/gdiobj.h"
+#include "wx/gdicmn.h"
+
+class WXDLLEXPORT wxRect;
+class WXDLLEXPORT wxPoint;
+
+enum wxRegionContain
+{
+    wxOutRegion = 0,
+    wxPartRegion = 1,
+    wxInRegion = 2
+};
+
+// So far, for internal use only
+enum wxRegionOp
+{
+    wxRGN_AND,          // Creates the intersection of the two combined regions.
+    wxRGN_COPY,         // Creates a copy of the region identified by hrgnSrc1.
+    wxRGN_DIFF,         // Combines the parts of hrgnSrc1 that are not part of hrgnSrc2.
+    wxRGN_OR,           // Creates the union of two combined regions.
+    wxRGN_XOR           // Creates the union of two combined regions except for any overlapping areas.
+};
+
+class WXDLLEXPORT wxRegion : public wxGDIObject
+{
+public:
+    wxRegion();
+    wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
+    wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
+    wxRegion(const wxRect& rect);
+    wxRegion(WXHRGN hRegion); // Hangs on to this region
+    wxRegion(size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
+    wxRegion( const wxBitmap& bmp)
+    {
+        Union(bmp);
+    }
+    wxRegion( const wxBitmap& bmp,
+              const wxColour& transColour, int tolerance = 0)
+    {
+        Union(bmp, transColour, tolerance);
+    }
+
+    virtual ~wxRegion();
+
+    // Copying
+    wxRegion(const wxRegion& r) : wxGDIObject(r)
+        { Ref(r); }
+    wxRegion& operator = (const wxRegion& r)
+        { Ref(r); return (*this); }
+
+    // Modify region
+    // -------------
+
+    // Clear current region
+    void Clear();
+
+    // Move the region
+    bool Offset(wxCoord x, wxCoord y);
+
+    // Union rectangle or region with this.
+    bool Union(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_OR); }
+    bool Union(const wxRect& rect) { return Combine(rect, wxRGN_OR); }
+    bool Union(const wxRegion& region) { return Combine(region, wxRGN_OR); }
+
+    // Intersect rectangle or region with this.
+    bool Intersect(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_AND); }
+    bool Intersect(const wxRect& rect)  { return Combine(rect, wxRGN_AND); }
+    bool Intersect(const wxRegion& region)  { return Combine(region, wxRGN_AND); }
+
+    // Subtract rectangle or region from this:
+    // Combines the parts of 'this' that are not part of the second region.
+    bool Subtract(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_DIFF); }
+    bool Subtract(const wxRect& rect)  { return Combine(rect, wxRGN_DIFF); }
+    bool Subtract(const wxRegion& region)  { return Combine(region, wxRGN_DIFF); }
+
+    // XOR: the union of two combined regions except for any overlapping areas.
+    bool Xor(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_XOR); }
+    bool Xor(const wxRect& rect)  { return Combine(rect, wxRGN_XOR); }
+    bool Xor(const wxRegion& region)  { return Combine(region, wxRGN_XOR); }
+
+    // Information on region
+    // ---------------------
+
+    // Outer bounds of region
+    void GetBox(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h) const;
+    wxRect GetBox() const ;
+
+    // Is region empty?
+    bool Empty() const;
+    inline bool IsEmpty() const { return Empty(); }
+
+    // Tests
+    // Does the region contain the point (x,y)?
+    wxRegionContain Contains(wxCoord x, wxCoord y) const;
+    // Does the region contain the point pt?
+    wxRegionContain Contains(const wxPoint& pt) const;
+    // Does the region contain the rectangle (x, y, w, h)?
+    wxRegionContain Contains(wxCoord x, wxCoord y, wxCoord w, wxCoord h) const;
+    // Does the region contain the rectangle rect?
+    wxRegionContain Contains(const wxRect& rect) const;
+
+    // Convert the region to a B&W bitmap with the white pixels being inside
+    // the region.
+    wxBitmap ConvertToBitmap() const;
+
+    // Use the non-transparent pixels of a wxBitmap for the region to combine
+    // with this region.  First version takes transparency from bitmap's mask,
+    // second lets the user specify the colour to be treated as transparent
+    // along with an optional tolerance value.
+    // NOTE: implemented in common/rgncmn.cpp
+    bool Union(const wxBitmap& bmp);
+    bool Union(const wxBitmap& bmp,
+               const wxColour& transColour, int tolerance = 0);
+
+// Internal
+    bool Combine(wxCoord x, wxCoord y, wxCoord width, wxCoord height, wxRegionOp op);
+    bool Combine(const wxRegion& region, wxRegionOp op);
+    bool Combine(const wxRect& rect, wxRegionOp op);
+
+    // Get internal region handle
+    WXHRGN GetHRGN() const;
+
+protected:
+    virtual wxObjectRefData *CreateRefData() const;
+    virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
+
+    friend class WXDLLEXPORT wxRegionIterator;
+
+    DECLARE_DYNAMIC_CLASS(wxRegion)
+};
+
+class WXDLLEXPORT wxRegionIterator : public wxObject
+{
+public:
+    wxRegionIterator() { Init(); }
+    wxRegionIterator(const wxRegion& region);
+    wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; }
+
+    wxRegionIterator& operator=(const wxRegionIterator& ri);
+
+    virtual ~wxRegionIterator();
+
+    void Reset() { m_current = 0; }
+    void Reset(const wxRegion& region);
+
+    bool HaveRects() const { return (m_current < m_numRects); }
+
+#ifndef __SALFORDC__
+    operator bool () const { return HaveRects(); }
+#endif
+
+    wxRegionIterator& operator++();
+    wxRegionIterator operator++(int);
+
+    wxCoord GetX() const;
+    wxCoord GetY() const;
+    wxCoord GetW() const;
+    wxCoord GetWidth() const { return GetW(); }
+    wxCoord GetH() const;
+    wxCoord GetHeight() const { return GetH(); }
+
+    wxRect GetRect() const { return wxRect(GetX(), GetY(), GetW(), GetH()); }
+
+private:
+    // common part of all ctors
+    void Init();
+
+    long     m_current;
+    long     m_numRects;
+    wxRegion m_region;
+    wxRect*  m_rects;
+
+    DECLARE_DYNAMIC_CLASS(wxRegionIterator)
+};
+
+#endif
+    // _WX_REGION_H_