X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8429bec1e8e3fcb7d071bc3ef7c665c484b5fdc1..eba99da4c0563e6508761272a1e1f1b791d0af6b:/include/wx/gtk/region.h?ds=sidebyside diff --git a/include/wx/gtk/region.h b/include/wx/gtk/region.h index 35e146938c..40c7d60d42 100644 --- a/include/wx/gtk/region.h +++ b/include/wx/gtk/region.h @@ -1,17 +1,16 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: region.h +// Name: wx/gtk/region.h // Purpose: // Author: Robert Roebling -// Created: 01/02/97 -// Id: -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Id: $Id$ +// Copyright: (c) 1998 Robert Roebling +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef __REGIONH__ -#define __REGIONH__ +#ifndef _WX_GTK_REGION_H_ +#define _WX_GTK_REGION_H_ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface #endif @@ -29,106 +28,171 @@ class wxRegion; // constants //----------------------------------------------------------------------------- -enum wxRegionContain +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. }; -//----------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- // wxRegion -//----------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- -class wxRegion : public wxGDIObject +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 ); +public: + wxRegion() { } + + wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) + { + InitRect(x, y, w, h); + } + + wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight ) + { + InitRect(topLeft.x, topLeft.y, + bottomRight.x - topLeft.x, bottomRight.y - topLeft.y); + } + + wxRegion( const wxRect& rect ) + { + InitRect(rect.x, rect.y, rect.width, rect.height); + } + + 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); + } + + ~wxRegion(); + + wxRegion( const wxRegion& region ) + : wxGDIObject() + { Ref(region); } + wxRegion& operator = ( const wxRegion& region ) { Ref(region); return *this; } + + bool Ok() const { return m_refData != NULL; } + + bool operator == ( const wxRegion& region ); + bool operator != ( const wxRegion& region ) { return !(*this == region); } + + void Clear(); + + bool Offset( wxCoord x, wxCoord y ); + + bool Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); bool Union( const wxRect& rect ); bool Union( const wxRegion& region ); - bool Intersect( long x, long y, long width, long height ); + bool Intersect( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); bool Intersect( const wxRect& rect ); bool Intersect( const wxRegion& region ); - bool Subtract( long x, long y, long width, long height ); + bool Subtract( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); bool Subtract( const wxRect& rect ); bool Subtract( const wxRegion& region ); - bool Xor( long x, long y, long width, long height ); + bool Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord 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 ; + void GetBox( wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h ) const; + wxRect GetBox() const ; - bool Empty(void) const; + bool Empty() const; + bool IsEmpty() const { return Empty(); } - wxRegionContain Contains( long x, long y ) const; - wxRegionContain Contains( long x, long y, long w, long h ) const; + wxRegionContain Contains( wxCoord x, wxCoord y ) const; + wxRegionContain Contains( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) const; wxRegionContain Contains(const wxPoint& pt) const; wxRegionContain Contains(const wxRect& rect) const; - - public: - - wxList *GetRectList() const; - GdkRegion *GetRegion(void) 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); + + +public: + // Init with GdkRegion, set ref count to 2 so that + // the C++ class will not destroy the region! + wxRegion( GdkRegion *region ); + + GdkRegion *GetRegion() const; + +protected: + // ref counting code + virtual wxObjectRefData *CreateRefData() const; + virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const; + + // common part of ctors for a rectangle region + void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h); + +private: + DECLARE_DYNAMIC_CLASS(wxRegion) }; -class wxRegionIterator: public wxObject +// ---------------------------------------------------------------------------- +// wxRegionIterator: decomposes a region into rectangles +// ---------------------------------------------------------------------------- + +class wxRegionIterator: public wxObject { - DECLARE_DYNAMIC_CLASS(wxRegionIterator); - - public: - - wxRegionIterator(void); +public: + wxRegionIterator(); wxRegionIterator(const wxRegion& region); - void Reset(void) { m_current = 0; } + void Reset() { m_current = 0u; } void Reset(const wxRegion& region); - operator bool (void) const; - bool HaveRects(void) const; + bool HaveRects() const; + operator bool () const { return HaveRects(); } + + 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(); } + wxRect GetRect() const; - 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(); } +private: + size_t m_current; + wxRegion m_region; - private: - - long m_current; - wxRegion m_region; +private: + DECLARE_DYNAMIC_CLASS(wxRegionIterator) }; #endif - // __REGIONH__ + // _WX_GTK_REGION_H_