projects / wxWidgets.git / blame
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|---|---|---|
| c801d85f KB |
1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: region.h | |
| 3 | // Purpose: | |
| 4 | // Author: Robert Roebling | |
| 5 | // Created: 01/02/97 | |
| 6 | // Id: | |
| 7 | // Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem | |
| 8 | // Licence: wxWindows licence | |
| 9 | ///////////////////////////////////////////////////////////////////////////// | |
| 10 | ||
| 11 | #ifndef __REGIONH__ | |
| 12 | #define __REGIONH__ | |
| 13 | ||
| 14 | #ifdef __GNUG__ | |
| 15 | #pragma interface | |
| 16 | #endif | |
| 17 | ||
| 18 | #include "wx/list.h" | |
| 19 | #include "wx/gdiobj.h" | |
| 20 | #include "wx/gdicmn.h" | |
| 21 | ||
| 22 | //----------------------------------------------------------------------------- | |
| 23 | // classes | |
| 24 | //----------------------------------------------------------------------------- | |
| 25 | ||
| 26 | class wxRegion; | |
| 27 | ||
| 28 | //----------------------------------------------------------------------------- | |
| 29 | // constants | |
| 30 | //----------------------------------------------------------------------------- | |
| 31 | ||
| 32 | enum wxRegionContain | |
| 33 | { | |
| 34 | wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2 | |
| 35 | }; | |
| 36 | ||
| 37 | // So far, for internal use only | |
| 38 | enum wxRegionOp { | |
| 39 | wxRGN_AND, // Creates the intersection of the two combined regions. | |
| 40 | wxRGN_COPY, // Creates a copy of the region identified by hrgnSrc1. | |
| 41 | wxRGN_DIFF, // Combines the parts of hrgnSrc1 that are not part of hrgnSrc2. | |
| 42 | wxRGN_OR, // Creates the union of two combined regions. | |
| 43 | wxRGN_XOR // Creates the union of two combined regions except for any overlapping areas. | |
| 44 | }; | |
| 45 | ||
| 46 | //----------------------------------------------------------------------------- | |
| 47 | // wxRegion | |
| 48 | //----------------------------------------------------------------------------- | |
| 49 | ||
| 50 | class wxRegion : public wxGDIObject | |
| 51 | { | |
| 52 | DECLARE_DYNAMIC_CLASS(wxRegion); | |
| 53 | ||
| 54 | public: | |
| 55 | ||
| 56 | wxRegion( long x, long y, long w, long h ); | |
| 57 | wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight ); | |
| 58 | wxRegion( const wxRect& rect ); | |
| 59 | wxRegion(void); | |
| 60 | ~wxRegion(void); | |
| 61 | ||
| 62 | inline wxRegion( const wxRegion& r ) | |
| 63 | { Ref(r); } | |
| 64 | inline wxRegion& operator = ( const wxRegion& r ) | |
| 65 | { Ref(r); return (*this); } | |
| 66 | ||
| 67 | void Clear(void); | |
| 68 | ||
| 69 | bool Union( long x, long y, long width, long height ); | |
| 70 | bool Union( const wxRect& rect ); | |
| 71 | bool Union( const wxRegion& region ); | |
| 72 | ||
| 73 | bool Intersect( long x, long y, long width, long height ); | |
| 74 | bool Intersect( const wxRect& rect ); | |
| 75 | bool Intersect( const wxRegion& region ); | |
| 76 | ||
| 77 | bool Subtract( long x, long y, long width, long height ); | |
| 78 | bool Subtract( const wxRect& rect ); | |
| 79 | bool Subtract( const wxRegion& region ); | |
| 80 | ||
| 81 | bool Xor( long x, long y, long width, long height ); | |
| 82 | bool Xor( const wxRect& rect ); | |
| 83 | bool Xor( const wxRegion& region ); | |
| 84 | ||
| 85 | void GetBox( long& x, long& y, long&w, long &h ) const; | |
| 86 | wxRect GetBox(void) const ; | |
| 87 | ||
| 88 | bool Empty(void) const; | |
| 89 | ||
| 90 | wxRegionContain Contains( long x, long y ) const; | |
| 91 | wxRegionContain Contains( long x, long y, long w, long h ) const; | |
| 92 | ||
| 93 | public: | |
| 94 | ||
| 95 | GdkRegion *GetRegion(void) const; | |
| 96 | }; | |
| 97 | ||
| 98 | #endif | |
| 99 | // __REGIONH__ |