include/wx/mgl/bitmap.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        bitmap.h
   3 // Author:      Vaclav Slavik
   4 // RCS-ID:      $Id$
   5 // Copyright:   (c) 2001 Vaclav Slavik
   6 // Licence:     wxWindows licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9
  10 #ifndef __WX_BITMAP_H__
  11 #define __WX_BITMAP_H__
  12
  13 #ifdef __GNUG__
  14 #pragma interface
  15 #endif
  16
  17 #include "wx/defs.h"
  18 #include "wx/object.h"
  19 #include "wx/string.h"
  20 #include "wx/palette.h"
  21 #include "wx/gdiobj.h"
  22
  23
  24 //-----------------------------------------------------------------------------
  25 // classes
  26 //-----------------------------------------------------------------------------
  27
  28 class WXDLLEXPORT wxMask;
  29 class WXDLLEXPORT wxBitmap;
  30 class WXDLLEXPORT wxImage;
  31 class WXDLLEXPORT wxDC;
  32 class WXDLLEXPORT wxMemoryDC;
  33
  34 class MGLDevCtx;
  35 struct bitmap_t;
  36
  37 //-----------------------------------------------------------------------------
  38 // wxMask
  39 //-----------------------------------------------------------------------------
  40
  41 class WXDLLEXPORT wxMask: public wxObject
  42 {
  43 public:
  44     wxMask();
  45     wxMask(const wxBitmap& bitmap, const wxColour& colour);
  46     wxMask(const wxBitmap& bitmap, int paletteIndex);
  47     wxMask(const wxBitmap& bitmap);
  48     ~wxMask();
  49
  50     bool Create(const wxBitmap& bitmap, const wxColour& colour);
  51     bool Create(const wxBitmap& bitmap, int paletteIndex);
  52     bool Create(const wxBitmap& bitmap);
  53
  54     // implementation
  55     wxBitmap *m_bitmap;
  56
  57     wxBitmap *GetBitmap() const { return m_bitmap; }
  58
  59 private:
  60     DECLARE_DYNAMIC_CLASS(wxMask)
  61 };
  62
  63 //-----------------------------------------------------------------------------
  64 // wxBitmap
  65 //-----------------------------------------------------------------------------
  66
  67 class WXDLLEXPORT wxBitmapHandler : public wxBitmapHandlerBase
  68 {
  69 public:
  70     wxBitmapHandler() : wxBitmapHandlerBase() {}
  71 private:
  72     DECLARE_DYNAMIC_CLASS(wxBitmapHandler)
  73 };
  74
  75 class WXDLLEXPORT wxBitmap: public wxBitmapBase
  76 {
  77 public:
  78     wxBitmap();
  79     wxBitmap(int width, int height, int depth = -1);
  80     wxBitmap(const char bits[], int width, int height, int depth = 1);
  81     wxBitmap(const char **bits) { CreateFromXpm(bits); }
  82     wxBitmap(char **bits) { CreateFromXpm((const char **)bits); }
  83     wxBitmap(const wxBitmap& bmp);
  84     wxBitmap(const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_RESOURCE);
  85     wxBitmap(const wxImage& image, int depth = -1);
  86     ~wxBitmap();
  87     wxBitmap& operator = (const wxBitmap& bmp);
  88     bool operator == (const wxBitmap& bmp) const;
  89     bool operator != (const wxBitmap& bmp) const;
  90     bool Ok() const;
  91
  92     bool Create(int width, int height, int depth = -1);
  93
  94     virtual int GetHeight() const;
  95     virtual int GetWidth() const;
  96     virtual int GetDepth() const;
  97
  98     virtual wxImage ConvertToImage() const;
  99
 100     virtual wxMask *GetMask() const;
 101     virtual void SetMask(wxMask *mask);
 102
 103     virtual wxBitmap GetSubBitmap(const wxRect& rect) const;
 104
 105     virtual bool SaveFile(const wxString &name, wxBitmapType type, const wxPalette *palette = (wxPalette *) NULL) const;
 106     virtual bool LoadFile(const wxString &name, wxBitmapType type = wxBITMAP_TYPE_RESOURCE);
 107
 108     virtual wxPalette *GetPalette() const;
 109     virtual void SetPalette(const wxPalette& palette);
 110
 111     // copies the contents and mask of the given (colour) icon to the bitmap
 112     virtual bool CopyFromIcon(const wxIcon& icon);
 113
 114     static void InitStandardHandlers();
 115
 116     // implementation:
 117     virtual void SetHeight(int height);
 118     virtual void SetWidth(int width);
 119     virtual void SetDepth(int depth);
 120
 121     // get underlying native representation:
 122     bitmap_t *GetMGLbitmap_t() const;
 123
 124 protected:
 125     bool CreateFromXpm(const char **bits);
 126
 127     // creates temporary DC for access to bitmap's data:
 128     MGLDevCtx *CreateTmpDC() const;
 129     // sets fg & bg colours for 1bit bitmaps:
 130     void SetMonoPalette(const wxColour& fg, const wxColour& bg);
 131
 132 private:
 133     DECLARE_DYNAMIC_CLASS(wxBitmap)
 134
 135     friend class wxDC;
 136     friend class wxMemoryDC;
 137 };
 138
 139 #endif // __WX_BITMAP_H__