| | 1 | ///////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: gdiobj.h |
| | 3 | // Purpose: wxGDIObject class: base class for other GDI classes |
| | 4 | // Author: David Webster |
| | 5 | // Modified by: |
| | 6 | // Created: ??/??/98 |
| | 7 | // RCS-ID: $Id$ |
| | 8 | // Copyright: (c) David Webster |
| | 9 | // Licence: wxWindows licence |
| | 10 | ///////////////////////////////////////////////////////////////////////////// |
| | 11 | |
| | 12 | #ifndef _WX_GDIOBJ_H_ |
| | 13 | #define _WX_GDIOBJ_H_ |
| | 14 | |
| | 15 | #include "wx/object.h" |
| | 16 | |
| | 17 | class WXDLLEXPORT wxGDIRefData: public wxObjectRefData |
| | 18 | { |
| | 19 | public: |
| | 20 | inline wxGDIRefData() |
| | 21 | { } |
| | 22 | }; |
| | 23 | |
| | 24 | #define M_GDIDATA ((wxGDIRefData *)m_refData) |
| | 25 | |
| | 26 | class WXDLLEXPORT wxGDIObject: public wxObject |
| | 27 | { |
| | 28 | DECLARE_DYNAMIC_CLASS(wxGDIObject) |
| | 29 | public: |
| | 30 | inline wxGDIObject() { m_visible = FALSE; }; |
| | 31 | inline ~wxGDIObject() {}; |
| | 32 | |
| | 33 | // Creates the resource |
| | 34 | virtual bool RealizeResource(void) { return FALSE; }; |
| | 35 | |
| | 36 | // Frees the resource |
| | 37 | virtual bool FreeResource(bool WXUNUSED(force) = FALSE) { return FALSE; }; |
| | 38 | |
| | 39 | virtual bool IsFree(void) const { return FALSE; }; |
| | 40 | |
| | 41 | inline bool IsNull() const { return (m_refData == 0); } |
| | 42 | |
| | 43 | virtual bool GetVisible() { return m_visible; } |
| | 44 | virtual void SetVisible(bool v) { m_visible = v; } |
| | 45 | |
| | 46 | protected: |
| | 47 | bool m_visible; // Can a pointer to this object be safely taken? |
| | 48 | // - only if created within FindOrCreate... |
| | 49 | }; |
| | 50 | |
| | 51 | #endif |
| | 52 | // _WX_GDIOBJ_H_ |
projects / wxWidgets.git / blame_incremental