X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2bda0e173844e8e0f8acf4e8ad8b5c26e5c6fe5d..c27bcbd5a7cec9f03b15c69824da99c5bb75924a:/include/wx/msw/region.h?ds=sidebyside diff --git a/include/wx/msw/region.h b/include/wx/msw/region.h index c660a62f72..0d14ea4452 100644 --- a/include/wx/msw/region.h +++ b/include/wx/msw/region.h @@ -1,136 +1,195 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: region.h +// 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 and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) 1997-2002 wxWidgets team +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef __REGIONH__ -#define __REGIONH__ +#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" class WXDLLEXPORT wxRect; class WXDLLEXPORT wxPoint; -enum wxRegionContain { - wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2 +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. +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 { -DECLARE_DYNAMIC_CLASS(wxRegion); - friend class WXDLLEXPORT wxRegionIterator; +class WXDLLEXPORT wxRegion : public wxGDIObject +{ public: - wxRegion(long x, long y, long w, long h); + 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); - wxRegion(void); - ~wxRegion(void); - - //# Copying - inline wxRegion(const wxRegion& r) - { Ref(r); } - inline wxRegion& operator = (const wxRegion& r) - { Ref(r); return (*this); } +// 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); - //# Modify region - // Clear current region - void Clear(void); + // Get internal region handle + WXHRGN GetHRGN() const; - // 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); } +protected: + virtual wxObjectRefData *CreateRefData() const; + virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const; - // 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); } + friend class WXDLLEXPORT wxRegionIterator; - // 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(void) const ; - - // Is region empty? - bool Empty(void) const; - inline bool IsEmpty(void) 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); + DECLARE_DYNAMIC_CLASS(wxRegion) }; -class WXDLLEXPORT wxRegionIterator : public wxObject { -DECLARE_DYNAMIC_CLASS(wxRegionIterator); +class WXDLLEXPORT wxRegionIterator : public wxObject +{ public: - wxRegionIterator(void); - wxRegionIterator(const wxRegion& region); - ~wxRegionIterator(void); + wxRegionIterator() { Init(); } + wxRegionIterator(const wxRegion& region); + wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; } - void Reset(void) { m_current = 0; } - void Reset(const wxRegion& region); + wxRegionIterator& operator=(const wxRegionIterator& ri); - operator bool (void) const { return m_current < m_numRects; } - bool HaveRects(void) const { return m_current < m_numRects; } + virtual ~wxRegionIterator(); - void operator ++ (void); - void operator ++ (int); + void Reset() { m_current = 0; } + void Reset(const wxRegion& region); - long GetX(void) const; - long GetY(void) const; - long GetW(void) const; - long GetWidth(void) const { return GetW(); } - long GetH(void) const; - long GetHeight(void) const { return GetH(); } + 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: - long m_current; - long m_numRects; - wxRegion m_region; + // common part of all ctors + void Init(); + + long m_current; + long m_numRects; + wxRegion m_region; wxRect* m_rects; + + DECLARE_DYNAMIC_CLASS(wxRegionIterator) }; #endif - // __REGIONH__ + // _WX_REGION_H_