X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7c78e7c70271608b076b1dbed201b1204e6898d4..bedaf53eaf4e2a860b34d4ff5e0b1928ce8fa5c9:/include/wx/qt/region.h diff --git a/include/wx/qt/region.h b/include/wx/qt/region.h index 8bcb8858c7..02bf97845f 100644 --- a/include/wx/qt/region.h +++ b/include/wx/qt/region.h @@ -1,37 +1,29 @@ ///////////////////////////////////////////////////////////////////////////// // Name: region.h -// Purpose: -// Author: Robert Roebling -// Created: 01/02/97 -// Id: -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem +// Purpose: wxRegion class +// Author: AUTHOR +// Modified by: +// Created: ??/??/98 +// RCS-ID: $Id$ +// Copyright: (c) AUTHOR // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef __REGIONH__ -#define __REGIONH__ +#ifndef _WX_REGION_H_ +#define _WX_REGION_H_ #ifdef __GNUG__ -#pragma interface +#pragma interface "region.h" #endif #include "wx/list.h" #include "wx/gdiobj.h" -#include "wx/gdicmn.h" -//----------------------------------------------------------------------------- -// classes -//----------------------------------------------------------------------------- +class WXDLLEXPORT wxRect; +class WXDLLEXPORT wxPoint; -class wxRegion; - -//----------------------------------------------------------------------------- -// constants -//----------------------------------------------------------------------------- - -enum wxRegionContain -{ - wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2 +enum wxRegionContain { + wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2 }; // So far, for internal use only @@ -43,54 +35,106 @@ wxRGN_OR, // Creates the union of two combined regions. wxRGN_XOR // Creates the union of two combined regions except for any overlapping areas. }; -//----------------------------------------------------------------------------- -// wxRegion -//----------------------------------------------------------------------------- - -class wxRegion : public wxGDIObject -{ - DECLARE_DYNAMIC_CLASS(wxRegion); - - public: - - wxRegion( long x, long y, long w, long h ); - wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight ); - wxRegion( const wxRect& rect ); - wxRegion(void); - ~wxRegion(void); - - inline wxRegion( const wxRegion& r ) - { Ref(r); } - inline wxRegion& operator = ( const wxRegion& r ) - { Ref(r); return (*this); } - - void Clear(void); - - bool Union( long x, long y, long width, long height ); - bool Union( const wxRect& rect ); - bool Union( const wxRegion& region ); - - bool Intersect( long x, long y, long width, long height ); - bool Intersect( const wxRect& rect ); - bool Intersect( const wxRegion& region ); - - bool Subtract( long x, long y, long width, long height ); - bool Subtract( const wxRect& rect ); - bool Subtract( const wxRegion& region ); - - bool Xor( long x, long y, long width, long height ); - bool Xor( const wxRect& rect ); - bool Xor( const wxRegion& region ); - - void GetBox( long& x, long& y, long&w, long &h ) const; - wxRect GetBox(void) const ; - - bool Empty(void) const; - - wxRegionContain Contains( long x, long y ) const; - wxRegionContain Contains( long x, long y, long w, long h ) const; - +class WXDLLEXPORT wxRegion : public wxGDIObject { +DECLARE_DYNAMIC_CLASS(wxRegion); + friend class WXDLLEXPORT wxRegionIterator; +public: + wxRegion(long x, long y, long w, long h); + wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight); + wxRegion(const wxRect& rect); + +/* TODO: implementation + wxRegion(WXHRGN hRegion); // Hangs on to this region +*/ + + wxRegion(); + ~wxRegion(); + + //# Copying + inline wxRegion(const wxRegion& r) + { Ref(r); } + inline wxRegion& operator = (const wxRegion& r) + { Ref(r); return (*this); } + + //# Modify region + // Clear current region + void Clear(); + + // Union rectangle or region with this. + inline bool Union(long x, long y, long width, long 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); } + + // Intersect rectangle or region with this. + inline bool Intersect(long x, long y, long width, long 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); } + + // Subtract rectangle or region from this: + // Combines the parts of 'this' that are not part of the second region. + inline bool Subtract(long x, long y, long width, long 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); } + + // XOR: the union of two combined regions except for any overlapping areas. + inline bool Xor(long x, long y, long width, long 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); } + + //# Information on region + // Outer bounds of region + void GetBox(long& x, long& y, long&w, long &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(long x, long 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(long x, long y, long w, long h) const; + // Does the region contain the rectangle rect? + wxRegionContain Contains(const wxRect& rect) const; + +// Internal + bool Combine(long x, long y, long width, long height, wxRegionOp op); + bool Combine(const wxRegion& region, wxRegionOp op); + bool Combine(const wxRect& rect, wxRegionOp op); +}; + +class WXDLLEXPORT wxRegionIterator : public wxObject { +DECLARE_DYNAMIC_CLASS(wxRegionIterator); +public: + wxRegionIterator(); + wxRegionIterator(const wxRegion& region); + ~wxRegionIterator(); + + void Reset() { m_current = 0; } + void Reset(const wxRegion& region); + + operator bool () const { return m_current < m_numRects; } + bool HaveRects() const { return m_current < m_numRects; } + + void operator ++ (); + void operator ++ (int); + + long GetX() const; + long GetY() const; + long GetW() const; + long GetWidth() const { return GetW(); } + long GetH() const; + long GetHeight() const { return GetH(); } + +private: + long m_current; + long m_numRects; + wxRegion m_region; + wxRect* m_rects; }; #endif - // __REGIONH__ + // _WX_REGION_H_