projects / wxWidgets.git / blame
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|---|---|---|
| 0e320a79 DW |
1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: gdiobj.h | |
| 3 | // Purpose: wxGDIObject class: base class for other GDI classes | |
| 0371a691 | 4 | // Author: David Webster |
| 0e320a79 DW |
5 | // Modified by: |
| 6 | // Created: ??/??/98 | |
| 7 | // RCS-ID: $Id$ | |
| 0371a691 | 8 | // Copyright: (c) David Webster |
| 0e320a79 DW |
9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// | |
| 11 | ||
| 12 | #ifndef _WX_GDIOBJ_H_ | |
| 13 | #define _WX_GDIOBJ_H_ | |
| 14 | ||
| 15 | #include "wx/object.h" | |
| 16 | ||
| 45016e1a DW |
17 | class WXDLLEXPORT wxGDIRefData: public wxObjectRefData |
| 18 | { | |
| 0e320a79 DW |
19 | public: |
| 20 | inline wxGDIRefData() | |
| 45016e1a | 21 | { } |
| 0e320a79 DW |
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 | ||
| 0371a691 DW |
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 | ||
| 0e320a79 DW |
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_ |