include/wx/gtk1/bitmap.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk1/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 #include "wx/defs.h"
  15 #include "wx/object.h"
  16 #include "wx/string.h"
  17 #include "wx/palette.h"
  18 #include "wx/gdiobj.h"
  19
  20 class WXDLLEXPORT wxPixelDataBase;
  21
  22 //-----------------------------------------------------------------------------
  23 // classes
  24 //-----------------------------------------------------------------------------
  25
  26 class WXDLLIMPEXP_CORE wxMask;
  27 class WXDLLIMPEXP_CORE wxBitmap;
  28 class WXDLLIMPEXP_CORE wxImage;
  29
  30 //-----------------------------------------------------------------------------
  31 // wxMask
  32 //-----------------------------------------------------------------------------
  33
  34 class WXDLLIMPEXP_CORE wxMask: public wxObject
  35 {
  36 public:
  37     wxMask();
  38     wxMask( const wxBitmap& bitmap, const wxColour& colour );
  39 #if wxUSE_PALETTE
  40     wxMask( const wxBitmap& bitmap, int paletteIndex );
  41 #endif // wxUSE_PALETTE
  42     wxMask( const wxBitmap& bitmap );
  43     virtual ~wxMask();
  44
  45     bool Create( const wxBitmap& bitmap, const wxColour& colour );
  46 #if wxUSE_PALETTE
  47     bool Create( const wxBitmap& bitmap, int paletteIndex );
  48 #endif // wxUSE_PALETTE
  49     bool Create( const wxBitmap& bitmap );
  50
  51     // implementation
  52     GdkBitmap   *m_bitmap;
  53
  54     GdkBitmap *GetBitmap() const;
  55
  56 private:
  57     DECLARE_DYNAMIC_CLASS(wxMask)
  58 };
  59
  60 //-----------------------------------------------------------------------------
  61 // wxBitmap
  62 //-----------------------------------------------------------------------------
  63
  64 class WXDLLIMPEXP_CORE wxBitmap: public wxBitmapBase
  65 {
  66 public:
  67     wxBitmap();
  68     wxBitmap( int width, int height, int depth = -1 );
  69     wxBitmap( const char bits[], int width, int height, int depth = 1 );
  70     wxBitmap( const char* const* bits );
  71 #if defined (__GNUC__) && __GNUC__ < 3
  72     // needed for old GCC
  73     wxBitmap(char** data)
  74     {
  75         *this = wxBitmap(wx_const_cast(const char* const*, data));
  76     }
  77 #endif
  78     wxBitmap( const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_XPM );
  79     wxBitmap( const wxImage& image, int depth = -1 ) { (void)CreateFromImage(image, depth); }
  80     virtual ~wxBitmap();
  81     bool operator == ( const wxBitmap& bmp ) const;
  82     bool operator != ( const wxBitmap& bmp ) const;
  83     bool Ok() const { return IsOk(); }
  84     bool IsOk() const;
  85
  86     bool Create(int width, int height, int depth = -1);
  87
  88     int GetHeight() const;
  89     int GetWidth() const;
  90     int GetDepth() const;
  91
  92     wxImage ConvertToImage() const;
  93
  94     // copies the contents and mask of the given (colour) icon to the bitmap
  95     virtual bool CopyFromIcon(const wxIcon& icon);
  96
  97     wxMask *GetMask() const;
  98     void SetMask( wxMask *mask );
  99
 100     wxBitmap GetSubBitmap( const wxRect& rect ) const;
 101
 102     bool SaveFile(const wxString &name, wxBitmapType type,
 103                           const wxPalette *palette = (wxPalette *)NULL) const;
 104     bool LoadFile(const wxString &name, wxBitmapType type = wxBITMAP_TYPE_XPM );
 105
 106 #if wxUSE_PALETTE
 107     wxPalette *GetPalette() const;
 108     void SetPalette(const wxPalette& palette);
 109     wxPalette *GetColourMap() const { return GetPalette(); };
 110 #endif // wxUSE_PALETTE
 111
 112     static void InitStandardHandlers();
 113
 114     // implementation
 115     // --------------
 116
 117     void SetHeight( int height );
 118     void SetWidth( int width );
 119     void SetDepth( int depth );
 120     void SetPixmap( GdkPixmap *pixmap );
 121     void SetBitmap( GdkBitmap *bitmap );
 122
 123     GdkPixmap *GetPixmap() const;
 124     GdkBitmap *GetBitmap() const;
 125     bool HasPixmap() const;
 126
 127     // Basically, this corresponds to Win32 StretchBlt()
 128     wxBitmap Rescale( int clipx, int clipy, int clipwidth, int clipheight, int width, int height );
 129
 130     // raw bitmap access support functions
 131     void *GetRawData(wxPixelDataBase& data, int bpp);
 132     void UngetRawData(wxPixelDataBase& data);
 133
 134     bool HasAlpha() const;
 135     void UseAlpha();
 136
 137 protected:
 138     bool CreateFromImage(const wxImage& image, int depth);
 139
 140 private:
 141     // to be called from CreateFromImage only!
 142     bool CreateFromImageAsBitmap(const wxImage& image);
 143     bool CreateFromImageAsPixmap(const wxImage& image);
 144
 145     friend class wxBitmapHandler;
 146
 147 private:
 148     DECLARE_DYNAMIC_CLASS(wxBitmap)
 149 };
 150
 151 //-----------------------------------------------------------------------------
 152 // wxBitmapHandler
 153 //-----------------------------------------------------------------------------
 154
 155 class WXDLLIMPEXP_CORE wxBitmapHandler: public wxBitmapHandlerBase
 156 {
 157     DECLARE_ABSTRACT_CLASS(wxBitmapHandler)
 158 };
 159
 160 #endif // __GTKBITMAPH__