X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5549e9f76fb5cbfb2a2190980983bcebea132a2e..f469584d643a59dab4545bb95020bf6188af1d69:/include/wx/msw/region.h diff --git a/include/wx/msw/region.h b/include/wx/msw/region.h index 58c4d94baa..0d14ea4452 100644 --- a/include/wx/msw/region.h +++ b/include/wx/msw/region.h @@ -1,22 +1,21 @@ ///////////////////////////////////////////////////////////////////////////// // Name: wx/msw/region.h // Purpose: wxRegion class -// Author: Markus Holzem, Julian Smart +// Author: Julian Smart // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart +// Copyright: (c) 1997-2002 wxWidgets team // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_REGION_H_ #define _WX_REGION_H_ -#ifdef __GNUG__ -#pragma interface "region.h" +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) + #pragma interface "region.h" #endif -#include "wx/list.h" #include "wx/gdiobj.h" #include "wx/gdicmn.h" @@ -49,48 +48,64 @@ public: 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) + wxRegion(const wxRegion& r) : wxGDIObject(r) { Ref(r); } wxRegion& operator = (const wxRegion& r) { Ref(r); return (*this); } // Modify region + // ------------- + // Clear current region - void Clear(void); + void Clear(); + + // Move the region + bool Offset(wxCoord x, wxCoord y); // Union rectangle or region with this. - inline bool Union(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_OR); } - inline bool Union(const wxRect& rect) { return Combine(rect, wxRGN_OR); } - inline bool Union(const wxRegion& region) { return Combine(region, wxRGN_OR); } + 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. - inline bool Intersect(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_AND); } - inline bool Intersect(const wxRect& rect) { return Combine(rect, wxRGN_AND); } - inline bool Intersect(const wxRegion& region) { return Combine(region, wxRGN_AND); } + 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. - inline bool Subtract(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_DIFF); } - inline bool Subtract(const wxRect& rect) { return Combine(rect, wxRGN_DIFF); } - inline bool Subtract(const wxRegion& region) { return Combine(region, wxRGN_DIFF); } + 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. - inline bool Xor(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_XOR); } - inline bool Xor(const wxRect& rect) { return Combine(rect, wxRGN_XOR); } - inline bool Xor(const wxRegion& region) { return Combine(region, wxRGN_XOR); } + 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(void) const ; + wxRect GetBox() const ; // Is region empty? - bool Empty(void) const; - inline bool IsEmpty(void) const { return Empty(); } + bool Empty() const; + inline bool IsEmpty() const { return Empty(); } // Tests // Does the region contain the point (x,y)? @@ -102,6 +117,19 @@ public: // 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); @@ -110,44 +138,57 @@ public: // Get internal region handle WXHRGN GetHRGN() const; - DECLARE_DYNAMIC_CLASS(wxRegion); +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(void); + wxRegionIterator() { Init(); } wxRegionIterator(const wxRegion& region); - ~wxRegionIterator(void); + wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; } + + wxRegionIterator& operator=(const wxRegionIterator& ri); + + virtual ~wxRegionIterator(); - void Reset(void) { m_current = 0; } + void Reset() { m_current = 0; } void Reset(const wxRegion& region); + bool HaveRects() const { return (m_current < m_numRects); } + #ifndef __SALFORDC__ - operator bool (void) const { return (m_current < m_numRects); } + operator bool () const { return HaveRects(); } #endif - bool HaveRects(void) const { return (m_current < m_numRects); } + wxRegionIterator& operator++(); + wxRegionIterator operator++(int); - void operator ++ (void); - void operator ++ (int); + wxCoord GetX() const; + wxCoord GetY() const; + wxCoord GetW() const; + wxCoord GetWidth() const { return GetW(); } + wxCoord GetH() const; + wxCoord GetHeight() const { return GetH(); } - wxCoord GetX(void) const; - wxCoord GetY(void) const; - wxCoord GetW(void) const; - wxCoord GetWidth(void) const { return GetW(); } - wxCoord GetH(void) const; - wxCoord GetHeight(void) const { return GetH(); } - wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); } + 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); + DECLARE_DYNAMIC_CLASS(wxRegionIterator) }; #endif