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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 wxBitmap& bitmap, const wxColour& colour );
	25	#if wxUSE_PALETTE
	26	wxMask( const wxBitmap& bitmap, int paletteIndex );
	27	#endif // wxUSE_PALETTE
	28	wxMask( const wxBitmap& bitmap );
	29	virtual ~wxMask();
	30
	31	// implementation
	32	GdkBitmap *m_bitmap;
	33	GdkBitmap *GetBitmap() const;
	34
	35	protected:
	36	virtual void FreeData();
	37	virtual bool InitFromColour(const wxBitmap& bitmap, const wxColour& colour);
	38	virtual bool InitFromMonoBitmap(const wxBitmap& bitmap);
	39
	40	DECLARE_DYNAMIC_CLASS(wxMask)
	41	};
	42
	43	//-----------------------------------------------------------------------------
	44	// wxBitmap
	45	//-----------------------------------------------------------------------------
	46
	47	class WXDLLIMPEXP_CORE wxBitmap: public wxBitmapBase
	48	{
	49	public:
	50	wxBitmap() { }
	51	wxBitmap( int width, int height, int depth = wxBITMAP_SCREEN_DEPTH )
	52	{ Create(width, height, depth); }
	53	wxBitmap( const wxSize& sz, int depth = wxBITMAP_SCREEN_DEPTH )
	54	{ Create(sz, depth); }
	55	wxBitmap( const char bits[], int width, int height, int depth = 1 );
	56	wxBitmap( const char* const* bits );
	57	#ifdef wxNEEDS_CHARPP
	58	// needed for old GCC
	59	wxBitmap(char** data)
	60	{ this = wxBitmap(const_cast<const char const*>(data)); }
	61	#endif
	62	wxBitmap( const wxString &filename, wxBitmapType type = wxBITMAP_DEFAULT_TYPE );
	63	#if wxUSE_IMAGE
	64	wxBitmap( const wxImage& image, int depth = wxBITMAP_SCREEN_DEPTH )
	65	{ (void)CreateFromImage(image, depth); }
	66	#endif // wxUSE_IMAGE
	67	virtual ~wxBitmap();
	68
	69	bool Create(int width, int height, int depth = wxBITMAP_SCREEN_DEPTH);
	70	bool Create(const wxSize& sz, int depth = wxBITMAP_SCREEN_DEPTH)
	71	{ return Create(sz.GetWidth(), sz.GetHeight(), depth); }
	72
	73	virtual int GetHeight() const;
	74	virtual int GetWidth() const;
	75	virtual int GetDepth() const;
	76
	77	#if wxUSE_IMAGE
	78	wxImage ConvertToImage() const;
	79	#endif // wxUSE_IMAGE
	80
	81	// copies the contents and mask of the given (colour) icon to the bitmap
	82	virtual bool CopyFromIcon(const wxIcon& icon);
	83
	84	wxMask *GetMask() const;
	85	void SetMask( wxMask *mask );
	86
	87	wxBitmap GetSubBitmap( const wxRect& rect ) const;
	88
	89	bool SaveFile(const wxString &name, wxBitmapType type,
	90	const wxPalette *palette = NULL) const;
	91	bool LoadFile(const wxString &name, wxBitmapType type = wxBITMAP_DEFAULT_TYPE);
	92
	93	#if wxUSE_PALETTE
	94	wxPalette *GetPalette() const;
	95	void SetPalette(const wxPalette& palette);
	96	wxPalette *GetColourMap() const { return GetPalette(); };
	97	#endif // wxUSE_PALETTE
	98
	99	static void InitStandardHandlers();
	100
	101	// implementation
	102	// --------------
	103
	104	void SetHeight( int height );
	105	void SetWidth( int width );
	106	void SetDepth( int depth );
	107	void SetPixmap( GdkPixmap *pixmap );
	108	void SetPixbuf(GdkPixbuf* pixbuf, int depth = 0);
	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	#if wxUSE_IMAGE
	131	// to be called from CreateFromImage only!
	132	bool CreateFromImageAsPixmap(const wxImage& image, int depth);
	133	bool CreateFromImageAsPixbuf(const wxImage& image);
	134	#endif // wxUSE_IMAGE
	135
	136	public:
	137	// implementation only
	138	enum Representation
	139	{
	140	Pixmap,
	141	Pixbuf
	142	};
	143	// removes other representations from memory, keeping only 'keep'
	144	// (wxBitmap may keep same bitmap e.g. as both pixmap and pixbuf):
	145	void PurgeOtherRepresentations(Representation keep);
	146
	147	private:
	148	DECLARE_DYNAMIC_CLASS(wxBitmap)
	149	};
	150
	151	#endif // _WX_GTK_BITMAP_H_