| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: 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 | |
| 11 | #ifndef __GTKBITMAPH__ |
| 12 | #define __GTKBITMAPH__ |
| 13 | |
| 14 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 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" |
| 22 | #include "wx/gdiobj.h" |
| 23 | |
| 24 | #ifdef __WXGTK20__ |
| 25 | typedef struct _GdkPixbuf GdkPixbuf; |
| 26 | #endif |
| 27 | |
| 28 | //----------------------------------------------------------------------------- |
| 29 | // classes |
| 30 | //----------------------------------------------------------------------------- |
| 31 | |
| 32 | class wxMask; |
| 33 | class wxBitmap; |
| 34 | class wxImage; |
| 35 | |
| 36 | //----------------------------------------------------------------------------- |
| 37 | // wxMask |
| 38 | //----------------------------------------------------------------------------- |
| 39 | |
| 40 | class wxMask: public wxObject |
| 41 | { |
| 42 | public: |
| 43 | wxMask(); |
| 44 | wxMask( const wxBitmap& bitmap, const wxColour& colour ); |
| 45 | wxMask( const wxBitmap& bitmap, int paletteIndex ); |
| 46 | wxMask( const wxBitmap& bitmap ); |
| 47 | ~wxMask(); |
| 48 | |
| 49 | bool Create( const wxBitmap& bitmap, const wxColour& colour ); |
| 50 | bool Create( const wxBitmap& bitmap, int paletteIndex ); |
| 51 | bool Create( const wxBitmap& bitmap ); |
| 52 | |
| 53 | // implementation |
| 54 | GdkBitmap *m_bitmap; |
| 55 | |
| 56 | GdkBitmap *GetBitmap() const; |
| 57 | |
| 58 | private: |
| 59 | DECLARE_DYNAMIC_CLASS(wxMask) |
| 60 | }; |
| 61 | |
| 62 | //----------------------------------------------------------------------------- |
| 63 | // wxBitmap |
| 64 | //----------------------------------------------------------------------------- |
| 65 | |
| 66 | class wxBitmap: public wxGDIObject |
| 67 | { |
| 68 | public: |
| 69 | wxBitmap(); |
| 70 | wxBitmap( int width, int height, int depth = -1 ); |
| 71 | wxBitmap( const char bits[], int width, int height, int depth = 1 ); |
| 72 | wxBitmap( const char **bits ) { (void)CreateFromXpm(bits); } |
| 73 | wxBitmap( char **bits ) { (void)CreateFromXpm((const char **)bits); } |
| 74 | wxBitmap( const wxBitmap& bmp ); |
| 75 | wxBitmap( const wxString &filename, int type = wxBITMAP_TYPE_XPM ); |
| 76 | wxBitmap( const wxImage& image, int depth = -1 ) { (void)CreateFromImage(image, depth); } |
| 77 | ~wxBitmap(); |
| 78 | wxBitmap& operator = ( const wxBitmap& bmp ); |
| 79 | bool operator == ( const wxBitmap& bmp ) const; |
| 80 | bool operator != ( const wxBitmap& bmp ) const; |
| 81 | bool Ok() const; |
| 82 | |
| 83 | bool Create(int width, int height, int depth = -1); |
| 84 | |
| 85 | int GetHeight() const; |
| 86 | int GetWidth() const; |
| 87 | int GetDepth() const; |
| 88 | |
| 89 | wxImage ConvertToImage() const; |
| 90 | |
| 91 | // copies the contents and mask of the given (colour) icon to the bitmap |
| 92 | virtual bool CopyFromIcon(const wxIcon& icon); |
| 93 | |
| 94 | wxMask *GetMask() const; |
| 95 | void SetMask( wxMask *mask ); |
| 96 | |
| 97 | wxBitmap GetSubBitmap( const wxRect& rect ) const; |
| 98 | |
| 99 | bool SaveFile( const wxString &name, int type, wxPalette *palette = (wxPalette *) NULL ); |
| 100 | bool LoadFile( const wxString &name, int type = wxBITMAP_TYPE_XPM ); |
| 101 | |
| 102 | wxPalette *GetPalette() const; |
| 103 | wxPalette *GetColourMap() const { return GetPalette(); }; |
| 104 | |
| 105 | static void InitStandardHandlers() { } |
| 106 | static void CleanUpHandlers() { } |
| 107 | |
| 108 | // implementation |
| 109 | // -------------- |
| 110 | |
| 111 | void SetHeight( int height ); |
| 112 | void SetWidth( int width ); |
| 113 | void SetDepth( int depth ); |
| 114 | void SetPixmap( GdkPixmap *pixmap ); |
| 115 | void SetBitmap( GdkBitmap *bitmap ); |
| 116 | #ifdef __WXGTK20__ |
| 117 | void SetPixbuf(GdkPixbuf *pixbuf); |
| 118 | #endif |
| 119 | |
| 120 | GdkPixmap *GetPixmap() const; |
| 121 | GdkBitmap *GetBitmap() const; |
| 122 | bool HasPixmap() const; |
| 123 | #ifdef __WXGTK20__ |
| 124 | bool HasPixbuf() const; |
| 125 | GdkPixbuf *GetPixbuf() const; |
| 126 | #endif |
| 127 | |
| 128 | // Basically, this corresponds to Win32 StretchBlt() |
| 129 | wxBitmap Rescale( int clipx, int clipy, int clipwidth, int clipheight, int width, int height ); |
| 130 | protected: |
| 131 | bool CreateFromXpm(const char **bits); |
| 132 | bool CreateFromImage(const wxImage& image, int depth); |
| 133 | |
| 134 | private: |
| 135 | // to be called from CreateFromImage only! |
| 136 | bool CreateFromImageAsBitmap(const wxImage& image); |
| 137 | bool CreateFromImageAsPixmap(const wxImage& image); |
| 138 | |
| 139 | #ifdef __WXGTK20__ |
| 140 | bool CreateFromImageAsPixbuf(const wxImage& image); |
| 141 | |
| 142 | enum Representation |
| 143 | { |
| 144 | Pixmap, |
| 145 | Pixbuf |
| 146 | }; |
| 147 | // removes other representations from memory, keeping only 'keep' |
| 148 | // (wxBitmap may keep same bitmap e.g. as both pixmap and pixbuf): |
| 149 | void PurgeOtherRepresentations(Representation keep); |
| 150 | |
| 151 | friend class wxMemoryDC; |
| 152 | #endif |
| 153 | |
| 154 | DECLARE_DYNAMIC_CLASS(wxBitmap) |
| 155 | }; |
| 156 | |
| 157 | #endif // __GTKBITMAPH__ |