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