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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: wx/gtk/bitmap.h
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// RCS-ID: $Id$
	6	// Copyright: (c) 1998 Robert Roebling
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	#ifndef _WX_GTK_BITMAP_H_
	11	#define _WX_GTK_BITMAP_H_
	12
	13	typedef struct _GdkPixbuf GdkPixbuf;
	14	class WXDLLIMPEXP_FWD_CORE wxPixelDataBase;
	15
	16	//-----------------------------------------------------------------------------
	17	// wxMask
	18	//-----------------------------------------------------------------------------
	19
	20	class WXDLLIMPEXP_CORE wxMask: public wxMaskBase
	21	{
	22	public:
	23	wxMask();
	24	wxMask(const wxMask& mask);
	25	wxMask( const wxBitmap& bitmap, const wxColour& colour );
	26	#if wxUSE_PALETTE
	27	wxMask( const wxBitmap& bitmap, int paletteIndex );
	28	#endif // wxUSE_PALETTE
	29	wxMask( const wxBitmap& bitmap );
	30	virtual ~wxMask();
	31
	32	// implementation
	33	GdkPixmap* m_bitmap;
	34	GdkPixmap* GetBitmap() const;
	35
	36	protected:
	37	virtual void FreeData();
	38	virtual bool InitFromColour(const wxBitmap& bitmap, const wxColour& colour);
	39	virtual bool InitFromMonoBitmap(const wxBitmap& bitmap);
	40
	41	DECLARE_DYNAMIC_CLASS(wxMask)
	42	};
	43
	44	//-----------------------------------------------------------------------------
	45	// wxBitmap
	46	//-----------------------------------------------------------------------------
	47
	48	class WXDLLIMPEXP_CORE wxBitmap: public wxBitmapBase
	49	{
	50	public:
	51	wxBitmap() { }
	52	wxBitmap( int width, int height, int depth = wxBITMAP_SCREEN_DEPTH )
	53	{ Create(width, height, depth); }
	54	wxBitmap( const wxSize& sz, int depth = wxBITMAP_SCREEN_DEPTH )
	55	{ Create(sz, depth); }
	56	wxBitmap( const char bits[], int width, int height, int depth = 1 );
	57	wxBitmap( const char* const* bits );
	58	#ifdef wxNEEDS_CHARPP
	59	// needed for old GCC
	60	wxBitmap(char** data)
	61	{ this = wxBitmap(const_cast<const char const*>(data)); }
	62	#endif
	63	wxBitmap( const wxString &filename, wxBitmapType type = wxBITMAP_DEFAULT_TYPE );
	64	#if wxUSE_IMAGE
	65	wxBitmap( const wxImage& image, int depth = wxBITMAP_SCREEN_DEPTH )
	66	{ (void)CreateFromImage(image, depth); }
	67	#endif // wxUSE_IMAGE
	68	virtual ~wxBitmap();
	69
	70	bool Create(int width, int height, int depth = wxBITMAP_SCREEN_DEPTH);
	71	bool Create(const wxSize& sz, int depth = wxBITMAP_SCREEN_DEPTH)
	72	{ return Create(sz.GetWidth(), sz.GetHeight(), depth); }
	73
	74	virtual int GetHeight() const;
	75	virtual int GetWidth() const;
	76	virtual int GetDepth() const;
	77
	78	#if wxUSE_IMAGE
	79	wxImage ConvertToImage() const;
	80	#endif // wxUSE_IMAGE
	81
	82	// copies the contents and mask of the given (colour) icon to the bitmap
	83	virtual bool CopyFromIcon(const wxIcon& icon);
	84
	85	wxMask *GetMask() const;
	86	void SetMask( wxMask *mask );
	87
	88	wxBitmap GetSubBitmap( const wxRect& rect ) const;
	89
	90	bool SaveFile(const wxString &name, wxBitmapType type,
	91	const wxPalette *palette = NULL) const;
	92	bool LoadFile(const wxString &name, wxBitmapType type = wxBITMAP_DEFAULT_TYPE);
	93
	94	#if wxUSE_PALETTE
	95	wxPalette *GetPalette() const;
	96	void SetPalette(const wxPalette& palette);
	97	wxPalette *GetColourMap() const { return GetPalette(); }
	98	#endif // wxUSE_PALETTE
	99
	100	static void InitStandardHandlers();
	101
	102	// implementation
	103	// --------------
	104
	105	void SetHeight( int height );
	106	void SetWidth( int width );
	107	void SetDepth( int depth );
	108	void SetPixbuf(GdkPixbuf* pixbuf);
	109
	110	GdkPixmap *GetPixmap() const;
	111	bool HasPixmap() const;
	112	bool HasPixbuf() const;
	113	GdkPixbuf *GetPixbuf() const;
	114
	115	// raw bitmap access support functions
	116	void *GetRawData(wxPixelDataBase& data, int bpp);
	117	void UngetRawData(wxPixelDataBase& data);
	118
	119	bool HasAlpha() const;
	120
	121	protected:
	122	#if wxUSE_IMAGE
	123	bool CreateFromImage(const wxImage& image, int depth);
	124	#endif // wxUSE_IMAGE
	125
	126	virtual wxGDIRefData* CreateGDIRefData() const;
	127	virtual wxGDIRefData* CloneGDIRefData(const wxGDIRefData* data) const;
	128
	129	private:
	130	void SetPixmap(GdkPixmap* pixmap);
	131	#if wxUSE_IMAGE
	132	// to be called from CreateFromImage only!
	133	bool CreateFromImageAsPixmap(const wxImage& image, int depth);
	134	bool CreateFromImageAsPixbuf(const wxImage& image);
	135	#endif // wxUSE_IMAGE
	136
	137	public:
	138	// implementation only
	139	enum Representation
	140	{
	141	Pixmap,
	142	Pixbuf
	143	};
	144	// removes other representations from memory, keeping only 'keep'
	145	// (wxBitmap may keep same bitmap e.g. as both pixmap and pixbuf):
	146	void PurgeOtherRepresentations(Representation keep);
	147
	148	DECLARE_DYNAMIC_CLASS(wxBitmap)
	149	};
	150
	151	#endif // _WX_GTK_BITMAP_H_