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 Ok() const { return IsOk(); }
  42     bool IsOk() const;
  43
  44     bool Create(int width, int height, int depth = -1);
  45
  46     virtual int GetHeight() const;
  47     virtual int GetWidth() const;
  48     virtual int GetDepth() const;
  49
  50     virtual wxImage ConvertToImage() const;
  51
  52     virtual wxMask *GetMask() const;
  53     virtual void SetMask(wxMask *mask);
  54
  55     virtual wxBitmap GetSubBitmap(const wxRect& rect) const;
  56
  57     virtual bool SaveFile(const wxString &name, wxBitmapType type, const wxPalette *palette = (wxPalette *) NULL) const;
  58     virtual bool LoadFile(const wxString &name, wxBitmapType type = wxBITMAP_TYPE_RESOURCE);
  59
  60     virtual wxPalette *GetPalette() const;
  61     virtual void SetPalette(const wxPalette& palette);
  62
  63     // copies the contents and mask of the given (colour) icon to the bitmap
  64     virtual bool CopyFromIcon(const wxIcon& icon);
  65
  66     static void InitStandardHandlers();
  67
  68     // implementation:
  69     virtual void SetHeight(int height);
  70     virtual void SetWidth(int width);
  71     virtual void SetDepth(int depth);
  72
  73     virtual wxColour QuantizeColour(const wxColour& colour) const;
  74
  75     // get underlying native representation:
  76     bitmap_t *GetMGLbitmap_t() const;
  77
  78 protected:
  79     // creates temporary DC for access to bitmap's data:
  80     MGLDevCtx *CreateTmpDC() const;
  81     // sets fg & bg colours for 1bit bitmaps:
  82     void SetMonoPalette(const wxColour& fg, const wxColour& bg);
  83
  84 private:
  85     DECLARE_DYNAMIC_CLASS(wxBitmap)
  86
  87     friend class wxDC;
  88     friend class wxMemoryDC;
  89 };
  90
  91 #endif // __WX_BITMAP_H__