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init member variables properly (patch 1156088)
[wxWidgets.git] / include / wx / gtk1 / bitmap.h
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1/////////////////////////////////////////////////////////////////////////////
2// Name: bitmap.h
3// Purpose:
4// Author: Robert Roebling
6f65e337 5// RCS-ID: $Id$
01111366 6// Copyright: (c) 1998 Robert Roebling
65571936 7// Licence: wxWindows licence
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8/////////////////////////////////////////////////////////////////////////////
9
10
11#ifndef __GTKBITMAPH__
12#define __GTKBITMAPH__
13
12028905 14#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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15#pragma interface
16#endif
17
18#include "wx/defs.h"
19#include "wx/object.h"
20#include "wx/string.h"
21#include "wx/palette.h"
58c837a4 22#include "wx/gdiobj.h"
c801d85f 23
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24#ifdef __WXGTK20__
25typedef struct _GdkPixbuf GdkPixbuf;
26#endif
27
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28class WXDLLEXPORT wxPixelDataBase;
29
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30//-----------------------------------------------------------------------------
31// classes
32//-----------------------------------------------------------------------------
33
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34class wxMask;
35class wxBitmap;
fd859211 36class wxImage;
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37
38//-----------------------------------------------------------------------------
39// wxMask
40//-----------------------------------------------------------------------------
41
42class wxMask: public wxObject
43{
fd0eed64 44public:
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45 wxMask();
46 wxMask( const wxBitmap& bitmap, const wxColour& colour );
47 wxMask( const wxBitmap& bitmap, int paletteIndex );
48 wxMask( const wxBitmap& bitmap );
49 ~wxMask();
91b8de8d 50
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51 bool Create( const wxBitmap& bitmap, const wxColour& colour );
52 bool Create( const wxBitmap& bitmap, int paletteIndex );
53 bool Create( const wxBitmap& bitmap );
54
55 // implementation
56 GdkBitmap *m_bitmap;
57
58 GdkBitmap *GetBitmap() const;
59
60private:
61 DECLARE_DYNAMIC_CLASS(wxMask)
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62};
63
64//-----------------------------------------------------------------------------
65// wxBitmap
66//-----------------------------------------------------------------------------
67
4611dd06 68class wxBitmap: public wxBitmapBase
c801d85f 69{
fd0eed64 70public:
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71 wxBitmap();
72 wxBitmap( int width, int height, int depth = -1 );
73 wxBitmap( const char bits[], int width, int height, int depth = 1 );
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74 wxBitmap( const char **bits ) { (void)CreateFromXpm(bits); }
75 wxBitmap( char **bits ) { (void)CreateFromXpm((const char **)bits); }
8636aed8 76 wxBitmap( const wxBitmap& bmp );
4611dd06 77 wxBitmap( const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_XPM );
fd859211 78 wxBitmap( const wxImage& image, int depth = -1 ) { (void)CreateFromImage(image, depth); }
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79 ~wxBitmap();
80 wxBitmap& operator = ( const wxBitmap& bmp );
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81 bool operator == ( const wxBitmap& bmp ) const;
82 bool operator != ( const wxBitmap& bmp ) const;
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83 bool Ok() const;
84
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85 bool Create(int width, int height, int depth = -1);
86
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87 int GetHeight() const;
88 int GetWidth() const;
89 int GetDepth() const;
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90
91 wxImage ConvertToImage() const;
8636aed8 92
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93 // copies the contents and mask of the given (colour) icon to the bitmap
94 virtual bool CopyFromIcon(const wxIcon& icon);
95
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96 wxMask *GetMask() const;
97 void SetMask( wxMask *mask );
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98
99 wxBitmap GetSubBitmap( const wxRect& rect ) const;
8636aed8 100
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101 bool SaveFile(const wxString &name, wxBitmapType type,
102 const wxPalette *palette = (wxPalette *)NULL) const;
103 bool LoadFile(const wxString &name, wxBitmapType type = wxBITMAP_TYPE_XPM );
8636aed8 104
4611dd06 105#if wxUSE_PALETTE
8636aed8 106 wxPalette *GetPalette() const;
4611dd06 107 void SetPalette(const wxPalette& palette);
55e90a2e 108 wxPalette *GetColourMap() const { return GetPalette(); };
4611dd06 109#endif // wxUSE_PALETTE
55e90a2e 110
4b61c88d 111 static void InitStandardHandlers();
8bbe427f 112
8636aed8 113 // implementation
20e05ffb 114 // --------------
c801d85f 115
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116 void SetHeight( int height );
117 void SetWidth( int width );
118 void SetDepth( int depth );
119 void SetPixmap( GdkPixmap *pixmap );
82ea63e6 120 void SetBitmap( GdkBitmap *bitmap );
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121#ifdef __WXGTK20__
122 void SetPixbuf(GdkPixbuf *pixbuf);
123#endif
8bbe427f 124
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125 GdkPixmap *GetPixmap() const;
126 GdkBitmap *GetBitmap() const;
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127 bool HasPixmap() const;
128#ifdef __WXGTK20__
129 bool HasPixbuf() const;
130 GdkPixbuf *GetPixbuf() const;
131#endif
8636aed8 132
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133 // Basically, this corresponds to Win32 StretchBlt()
134 wxBitmap Rescale( int clipx, int clipy, int clipwidth, int clipheight, int width, int height );
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135
136 // raw bitmap access support functions
137 void *GetRawData(wxPixelDataBase& data, int bpp);
138 void UngetRawData(wxPixelDataBase& data);
139
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140 bool HasAlpha() const;
141 void UseAlpha();
d2400c3f 142
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143protected:
144 bool CreateFromXpm(const char **bits);
fd859211 145 bool CreateFromImage(const wxImage& image, int depth);
e838cc14 146
8636aed8 147private:
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148 // to be called from CreateFromImage only!
149 bool CreateFromImageAsBitmap(const wxImage& image);
150 bool CreateFromImageAsPixmap(const wxImage& image);
151
152#ifdef __WXGTK20__
153 bool CreateFromImageAsPixbuf(const wxImage& image);
154
155 enum Representation
156 {
157 Pixmap,
158 Pixbuf
159 };
160 // removes other representations from memory, keeping only 'keep'
161 // (wxBitmap may keep same bitmap e.g. as both pixmap and pixbuf):
162 void PurgeOtherRepresentations(Representation keep);
163
164 friend class wxMemoryDC;
165#endif
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166 friend class wxBitmapHandler;
167
168private:
8636aed8 169 DECLARE_DYNAMIC_CLASS(wxBitmap)
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170};
171
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172//-----------------------------------------------------------------------------
173// wxBitmapHandler
174//-----------------------------------------------------------------------------
175
176class wxBitmapHandler: public wxBitmapHandlerBase
177{
178public:
179 wxBitmapHandler() { }
180 virtual ~wxBitmapHandler();
181
182 virtual bool Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth = 1);
183 virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
184 int desiredWidth, int desiredHeight);
185 virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL);
186
187private:
188 DECLARE_DYNAMIC_CLASS(wxBitmapHandler)
189};
190
191
c801d85f 192#endif // __GTKBITMAPH__