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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 wxObject
	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	bool Create( const wxBitmap& bitmap, const wxColour& colour );
	32	#if wxUSE_PALETTE
	33	bool Create( const wxBitmap& bitmap, int paletteIndex );
	34	#endif // wxUSE_PALETTE
	35	bool Create( const wxBitmap& bitmap );
	36
	37	// implementation
	38	GdkBitmap *m_bitmap;
	39
	40	GdkBitmap *GetBitmap() const;
	41
	42	private:
	43	DECLARE_DYNAMIC_CLASS(wxMask)
	44	};
	45
	46	//-----------------------------------------------------------------------------
	47	// wxBitmap
	48	//-----------------------------------------------------------------------------
	49
	50	class WXDLLIMPEXP_CORE wxBitmap: public wxBitmapBase
	51	{
	52	public:
	53	wxBitmap() { }
	54	wxBitmap( int width, int height, int depth = wxBITMAP_SCREEN_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(wx_const_cast(const char const*, data)); }
	61	#endif
	62	wxBitmap( const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_XPM );
	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
	71	virtual int GetHeight() const;
	72	virtual int GetWidth() const;
	73	virtual int GetDepth() const;
	74
	75	#if wxUSE_IMAGE
	76	wxImage ConvertToImage() const;
	77	#endif // wxUSE_IMAGE
	78
	79	// copies the contents and mask of the given (colour) icon to the bitmap
	80	virtual bool CopyFromIcon(const wxIcon& icon);
	81
	82	wxMask *GetMask() const;
	83	void SetMask( wxMask *mask );
	84
	85	wxBitmap GetSubBitmap( const wxRect& rect ) const;
	86
	87	bool SaveFile(const wxString &name, wxBitmapType type,
	88	const wxPalette palette = (wxPalette )NULL) const;
	89	bool LoadFile(const wxString &name, wxBitmapType type = wxBITMAP_TYPE_XPM );
	90
	91	#if wxUSE_PALETTE
	92	wxPalette *GetPalette() const;
	93	void SetPalette(const wxPalette& palette);
	94	wxPalette *GetColourMap() const { return GetPalette(); };
	95	#endif // wxUSE_PALETTE
	96
	97	static void InitStandardHandlers();
	98
	99	// implementation
	100	// --------------
	101
	102	void SetHeight( int height );
	103	void SetWidth( int width );
	104	void SetDepth( int depth );
	105	void SetPixmap( GdkPixmap *pixmap );
	106	void SetPixbuf(GdkPixbuf* pixbuf, int depth = 0);
	107
	108	GdkPixmap *GetPixmap() const;
	109	bool HasPixmap() const;
	110	bool HasPixbuf() const;
	111	GdkPixbuf *GetPixbuf() const;
	112
	113	// Basically, this corresponds to Win32 StretchBlt()
	114	wxBitmap Rescale(int clipx, int clipy, int clipwidth, int clipheight,
	115	int width, int height) const;
	116
	117	// raw bitmap access support functions
	118	void *GetRawData(wxPixelDataBase& data, int bpp);
	119	void UngetRawData(wxPixelDataBase& data);
	120
	121	bool HasAlpha() const;
	122
	123	protected:
	124	#if wxUSE_IMAGE
	125	bool CreateFromImage(const wxImage& image, int depth);
	126	#endif // wxUSE_IMAGE
	127
	128	virtual wxGDIRefData* CreateGDIRefData() const;
	129	virtual wxGDIRefData* CloneGDIRefData(const wxGDIRefData* data) const;
	130
	131	private:
	132	#if wxUSE_IMAGE
	133	// to be called from CreateFromImage only!
	134	bool CreateFromImageAsPixmap(const wxImage& image, int depth);
	135	bool CreateFromImageAsPixbuf(const wxImage& image);
	136	#endif // wxUSE_IMAGE
	137
	138	public:
	139	// implementation only
	140	enum Representation
	141	{
	142	Pixmap,
	143	Pixbuf
	144	};
	145	// removes other representations from memory, keeping only 'keep'
	146	// (wxBitmap may keep same bitmap e.g. as both pixmap and pixbuf):
	147	void PurgeOtherRepresentations(Representation keep);
	148
	149	private:
	150	DECLARE_DYNAMIC_CLASS(wxBitmap)
	151	};
	152
	153	#endif // _WX_GTK_BITMAP_H_