X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0e320a79f187558effb04d92020b470372bbe456..c27bcbd5a7cec9f03b15c69824da99c5bb75924a:/include/wx/os2/region.h?ds=sidebyside diff --git a/include/wx/os2/region.h b/include/wx/os2/region.h index 04d143c2e9..6205315f22 100644 --- a/include/wx/os2/region.h +++ b/include/wx/os2/region.h @@ -1,137 +1,283 @@ ///////////////////////////////////////////////////////////////////////////// // Name: region.h // Purpose: wxRegion class -// Author: AUTHOR +// Author: David Webster // Modified by: -// Created: ??/??/98 +// Created: 10/15/99 // RCS-ID: $Id$ -// Copyright: (c) AUTHOR -// Licence: wxWindows licence +// Copyright: (c) David Webster +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_REGION_H_ #define _WX_REGION_H_ -#ifdef __GNUG__ -#pragma interface "region.h" -#endif - #include "wx/list.h" #include "wx/gdiobj.h" #include "wx/gdicmn.h" +#include "wx/bitmap.h" +#include "wx/os2/private.h" class WXDLLEXPORT wxRect; class WXDLLEXPORT wxPoint; enum wxRegionContain { - wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2 + 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(const wxPoint& topLeft, const wxPoint& bottomRight); - wxRegion(const wxRect& rect); - 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: + wxRegion( wxCoord x + ,wxCoord y + ,wxCoord vWidth + ,wxCoord vHeight + ); + wxRegion( const wxPoint& rTopLeft + ,const wxPoint& rBottomRight + ); + wxRegion(const wxRect& rRect); + wxRegion(WXHRGN hRegion, WXHDC hPS); // Hangs on to this region + wxRegion( const wxBitmap& bmp) + { + Union(bmp); + } + wxRegion( const wxBitmap& bmp, + const wxColour& transColour, int tolerance = 0) + { + Union(bmp, transColour, tolerance); + } + + wxRegion(); + ~wxRegion(); + + // + // Copying + // + inline wxRegion(const wxRegion& rSrc) + { Ref(rSrc); } + inline wxRegion& operator = (const wxRegion& rSrc) + { Ref(rSrc); return (*this); } + + // + // Modify region + // + + // + // Clear current region + // + void Clear(void); + + bool Offset( wxCoord x + ,wxCoord y + ); + + // + // Union rectangle or region with this. + // + inline bool Union( wxCoord x + ,wxCoord y + ,wxCoord vWidth + ,wxCoord vHeight + ) + { + return Combine( x + ,y + ,vWidth + ,vHeight + ,wxRGN_OR + ); + } + inline bool Union( const wxRect& rRect) { return Combine(rRect, wxRGN_OR); } + inline bool Union(const wxRegion& rRegion) { return Combine(rRegion, wxRGN_OR); } + + // + // Intersect rectangle or region with this. + // + inline bool Intersect( wxCoord x + ,wxCoord y + ,wxCoord vWidth + ,wxCoord vHeight + ) + { + return Combine( x + ,y + ,vWidth + ,vHeight + ,wxRGN_AND + ); + } + inline bool Intersect(const wxRect& rRect) { return Combine(rRect, wxRGN_AND); } + inline bool Intersect(const wxRegion& rRegion) { return Combine(rRegion, 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 Subtract( wxCoord x + ,wxCoord y + ,wxCoord vWidth + ,wxCoord vHeight + ) + { + return Combine( x + ,y + ,vWidth + ,vHeight + ,wxRGN_DIFF + ); + } + inline bool Subtract(const wxRect& rRect) { return Combine(rRect, wxRGN_DIFF); } + inline bool Subtract(const wxRegion& rRegion) { return Combine(rRegion, wxRGN_DIFF); } + + // + // XOR: the union of two combined regions except for any overlapping areas. + // + inline bool Xor( wxCoord x + ,wxCoord y + ,wxCoord vWidth + ,wxCoord vHeight + ) + { + return Combine( x + ,y + ,vWidth + ,vHeight + ,wxRGN_XOR + ); + } + inline bool Xor(const wxRect& rRect) { return Combine(rRect, wxRGN_XOR); } + inline bool Xor(const wxRegion& rRegion) { return Combine(rRegion, wxRGN_XOR); } + + // + // Information on region + // Outer bounds of region + // + void GetBox( wxCoord& rX + ,wxCoord& rY + ,wxCoord& rWidth + ,wxCoord& rHeight + ) const; + wxRect GetBox(void) const; + + // + // Is region empty? + // + bool Empty(void) 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); -}; + // + // Tests + // Does the region contain the point (x,y)? + // + wxRegionContain Contains( wxCoord lX + ,wxCoord lY + ) const; + + // + // Convert the region to a B&W bitmap with the black pixels being inside + // the region. + // + wxBitmap ConvertToBitmap(void) 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); + + // + // Does the region contain the point pt? + // + wxRegionContain Contains(const wxPoint& rPoint) const; + + // + // Does the region contain the rectangle (x, y, w, h)? + // + wxRegionContain Contains( wxCoord x + ,wxCoord y + ,wxCoord lWidth + ,wxCoord lHeight + ) const; + + // + // Does the region contain the rectangle rect? + // + wxRegionContain Contains(const wxRect& rRect) const; -class WXDLLEXPORT wxRegionIterator : public wxObject { + // + // Internal + // + bool Combine( wxCoord x + ,wxCoord y + ,wxCoord vWidth + ,wxCoord vHeight + ,wxRegionOp eOp + ); + bool Combine( const wxRegion& rRegion + ,wxRegionOp eOp + ); + bool Combine( const wxRect& rRect + ,wxRegionOp eOp + ); + + // + // Get internal region handle + // + WXHRGN GetHRGN(void) const; + void SetPS(HPS hPS); + +protected: + virtual wxObjectRefData* CreateData(void) const; + virtual wxObjectRefData* CloneData(const wxObjectRefData* pData) const; + + friend class WXDLLEXPORT wxRegionIterator; + DECLARE_DYNAMIC_CLASS(wxRegion); + +}; // end of CLASS wxRegion + +class WXDLLEXPORT wxRegionIterator : public wxObject +{ DECLARE_DYNAMIC_CLASS(wxRegionIterator); public: - wxRegionIterator(); - wxRegionIterator(const wxRegion& region); - ~wxRegionIterator(); + wxRegionIterator(); + wxRegionIterator(const wxRegion& rRegion); + ~wxRegionIterator(); - void Reset() { m_current = 0; } - void Reset(const wxRegion& region); + void Reset(void) { m_lCurrent = 0; } + void Reset(const wxRegion& rRegion); - operator bool () const { return m_current < m_numRects; } - bool HaveRects() const { return m_current < m_numRects; } + operator bool (void) const { return m_lCurrent < m_lNumRects; } + bool HaveRects(void) const { return m_lCurrent < m_lNumRects; } - void operator ++ (); - void operator ++ (int); + void operator ++ (void); + 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(); } - wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); } + 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(void) const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); } private: - long m_current; - long m_numRects; - wxRegion m_region; - wxRect* m_rects; -}; + long m_lCurrent; + long m_lNumRects; + wxRegion m_vRegion; + wxRect* m_pRects; +}; // end of wxRegionIterator #endif - // _WX_REGION_H_ + // _WX_REGION_H_