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 WXDLLEXPORT wxDC;
  17 class WXDLLEXPORT wxMemoryDC;
  18
  19 class MGLDevCtx;
  20 struct bitmap_t;
  21
  22 //-----------------------------------------------------------------------------
  23 // wxBitmap
  24 //-----------------------------------------------------------------------------
  25
  26 class WXDLLIMPEXP_CORE wxBitmapHandler: public wxBitmapHandlerBase
  27 {
  28     DECLARE_ABSTRACT_CLASS(wxBitmapHandler)
  29 };
  30
  31 class WXDLLEXPORT wxBitmap: public wxBitmapBase
  32 {
  33 public:
  34     wxBitmap() {}
  35     wxBitmap(int width, int height, int depth = -1);
  36     wxBitmap(const char bits[], int width, int height, int depth = 1);
  37     wxBitmap(const char* const* bits);
  38     wxBitmap(const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_RESOURCE);
  39     wxBitmap(const wxImage& image, int depth = -1);
  40     virtual ~wxBitmap() {}
  41     bool operator == (const wxBitmap& bmp) const;
  42     bool operator != (const wxBitmap& bmp) const;
  43     bool Ok() const { return IsOk(); }
  44     bool IsOk() const;
  45
  46     bool Create(int width, int height, int depth = -1);
  47
  48     virtual int GetHeight() const;
  49     virtual int GetWidth() const;
  50     virtual int GetDepth() const;
  51
  52     virtual wxImage ConvertToImage() const;
  53
  54     virtual wxMask *GetMask() const;
  55     virtual void SetMask(wxMask *mask);
  56
  57     virtual wxBitmap GetSubBitmap(const wxRect& rect) const;
  58
  59     virtual bool SaveFile(const wxString &name, wxBitmapType type, const wxPalette *palette = (wxPalette *) NULL) const;
  60     virtual bool LoadFile(const wxString &name, wxBitmapType type = wxBITMAP_TYPE_RESOURCE);
  61
  62     virtual wxPalette *GetPalette() const;
  63     virtual void SetPalette(const wxPalette& palette);
  64
  65     // copies the contents and mask of the given (colour) icon to the bitmap
  66     virtual bool CopyFromIcon(const wxIcon& icon);
  67
  68     static void InitStandardHandlers();
  69
  70     // implementation:
  71     virtual void SetHeight(int height);
  72     virtual void SetWidth(int width);
  73     virtual void SetDepth(int depth);
  74
  75     virtual wxColour QuantizeColour(const wxColour& colour) const;
  76
  77     // get underlying native representation:
  78     bitmap_t *GetMGLbitmap_t() const;
  79
  80 protected:
  81     // creates temporary DC for access to bitmap's data:
  82     MGLDevCtx *CreateTmpDC() const;
  83     // sets fg & bg colours for 1bit bitmaps:
  84     void SetMonoPalette(const wxColour& fg, const wxColour& bg);
  85
  86 private:
  87     DECLARE_DYNAMIC_CLASS(wxBitmap)
  88
  89     friend class wxDC;
  90     friend class wxMemoryDC;
  91 };
  92
  93 #endif // __WX_BITMAP_H__