include/wx/mgl/bitmap.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        bitmap.h
   3 // Author:      Vaclav Slavik
   4 // RCS-ID:      $Id$
   5 // Copyright:   (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
   6 // Licence:     wxWindows licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 #ifndef __WX_BITMAP_H__
  10 #define __WX_BITMAP_H__
  11
  12 //-----------------------------------------------------------------------------
  13 // classes
  14 //-----------------------------------------------------------------------------
  15
  16 class WXDLLIMPEXP_FWD_CORE wxDC;
  17 class WXDLLIMPEXP_FWD_CORE wxMemoryDC;
  18
  19 class MGLDevCtx;
  20 struct bitmap_t;
  21
  22 //-----------------------------------------------------------------------------
  23 // wxBitmap
  24 //-----------------------------------------------------------------------------
  25
  26 class WXDLLIMPEXP_CORE wxBitmap: public wxBitmapBase
  27 {
  28 public:
  29     wxBitmap() {}
  30     wxBitmap(int width, int height, int depth = -1)
  31         { Create(width, height, depth); }
  32     wxBitmap(const wxSize& sz, int depth = -1)
  33         { Create(sz, depth); }
  34     wxBitmap(const char bits[], int width, int height, int depth = 1);
  35     wxBitmap(const char* const* bits);
  36     wxBitmap(const wxString &filename, wxBitmapType type = wxBITMAP_DEFAULT_TYPE);
  37     wxBitmap(const wxImage& image, int depth = -1);
  38     virtual ~wxBitmap() {}
  39
  40     bool Create(int width, int height, int depth = wxBITMAP_SCREEN_DEPTH);
  41     bool Create(const wxSize& sz, int depth = wxBITMAP_SCREEN_DEPTH)
  42         { return Create(sz.GetWidth(), sz.GetHeight(), depth); }
  43
  44     virtual int GetHeight() const;
  45     virtual int GetWidth() const;
  46     virtual int GetDepth() const;
  47
  48     virtual wxImage ConvertToImage() const;
  49
  50     virtual wxMask *GetMask() const;
  51     virtual void SetMask(wxMask *mask);
  52
  53     virtual wxBitmap GetSubBitmap(const wxRect& rect) const;
  54
  55     virtual bool SaveFile(const wxString &name, wxBitmapType type, const wxPalette *palette = NULL) const;
  56     virtual bool LoadFile(const wxString &name, wxBitmapType type = wxBITMAP_DEFAULT_TYPE);
  57
  58     virtual wxPalette *GetPalette() const;
  59     virtual void SetPalette(const wxPalette& palette);
  60
  61     // copies the contents and mask of the given (colour) icon to the bitmap
  62     virtual bool CopyFromIcon(const wxIcon& icon);
  63
  64     static void InitStandardHandlers();
  65
  66     // implementation:
  67     virtual void SetHeight(int height);
  68     virtual void SetWidth(int width);
  69     virtual void SetDepth(int depth);
  70
  71     virtual wxColour QuantizeColour(const wxColour& colour) const;
  72
  73     // get underlying native representation:
  74     bitmap_t *GetMGLbitmap_t() const;
  75
  76 protected:
  77     virtual wxGDIRefData *CreateGDIRefData() const;
  78     virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
  79
  80     // creates temporary DC for access to bitmap's data:
  81     MGLDevCtx *CreateTmpDC() const;
  82     // sets fg & bg colours for 1bit bitmaps:
  83     void SetMonoPalette(const wxColour& fg, const wxColour& bg);
  84
  85 private:
  86     DECLARE_DYNAMIC_CLASS(wxBitmap)
  87
  88     friend class wxDC;
  89     friend class wxMemoryDC;
  90 };
  91
  92 #endif // __WX_BITMAP_H__