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 WXDLLEXPORT wxBitmapHandler : public wxBitmapHandlerBase
  27 {
  28 public:
  29     wxBitmapHandler() : wxBitmapHandlerBase() {}
  30 private:
  31     DECLARE_DYNAMIC_CLASS(wxBitmapHandler)
  32 };
  33
  34 class WXDLLEXPORT wxBitmap: public wxBitmapBase
  35 {
  36 public:
  37     wxBitmap() {}
  38     wxBitmap(int width, int height, int depth = -1);
  39     wxBitmap(const char bits[], int width, int height, int depth = 1);
  40     wxBitmap(const char **bits) { CreateFromXpm(bits); }
  41     wxBitmap(char **bits) { CreateFromXpm((const char **)bits); }
  42     wxBitmap(const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_RESOURCE);
  43     wxBitmap(const wxImage& image, int depth = -1);
  44     virtual ~wxBitmap() {}
  45     bool operator == (const wxBitmap& bmp) const;
  46     bool operator != (const wxBitmap& bmp) const;
  47     bool Ok() const;
  48
  49     bool Create(int width, int height, int depth = -1);
  50
  51     virtual int GetHeight() const;
  52     virtual int GetWidth() const;
  53     virtual int GetDepth() const;
  54
  55     virtual wxImage ConvertToImage() const;
  56
  57     virtual wxMask *GetMask() const;
  58     virtual void SetMask(wxMask *mask);
  59
  60     virtual wxBitmap GetSubBitmap(const wxRect& rect) const;
  61
  62     virtual bool SaveFile(const wxString &name, wxBitmapType type, const wxPalette *palette = (wxPalette *) NULL) const;
  63     virtual bool LoadFile(const wxString &name, wxBitmapType type = wxBITMAP_TYPE_RESOURCE);
  64
  65     virtual wxPalette *GetPalette() const;
  66     virtual void SetPalette(const wxPalette& palette);
  67
  68     // copies the contents and mask of the given (colour) icon to the bitmap
  69     virtual bool CopyFromIcon(const wxIcon& icon);
  70
  71     static void InitStandardHandlers();
  72
  73     // implementation:
  74     virtual void SetHeight(int height);
  75     virtual void SetWidth(int width);
  76     virtual void SetDepth(int depth);
  77
  78     virtual wxColour QuantizeColour(const wxColour& colour) const;
  79
  80     // get underlying native representation:
  81     bitmap_t *GetMGLbitmap_t() const;
  82
  83 protected:
  84     bool CreateFromXpm(const char **bits);
  85
  86     // creates temporary DC for access to bitmap's data:
  87     MGLDevCtx *CreateTmpDC() const;
  88     // sets fg & bg colours for 1bit bitmaps:
  89     void SetMonoPalette(const wxColour& fg, const wxColour& bg);
  90
  91 private:
  92     DECLARE_DYNAMIC_CLASS(wxBitmap)
  93
  94     friend class wxDC;
  95     friend class wxMemoryDC;
  96 };
  97
  98 #endif // __WX_BITMAP_H__