include/wx/cocoa/bitmap.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        include/wx/cocoa/bitmap.h
   3 // Purpose:     wxBitmap class
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2003/07/19
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef __WX_COCOA_BITMAP_H__
  13 #define __WX_COCOA_BITMAP_H__
  14
  15 #include "wx/palette.h"
  16
  17 // Bitmap
  18 class WXDLLEXPORT wxBitmap;
  19 class WXDLLEXPORT wxIcon;
  20 class WXDLLEXPORT wxCursor;
  21 class WXDLLEXPORT wxImage;
  22 class WXDLLEXPORT wxPixelDataBase;
  23
  24 // ========================================================================
  25 // wxMask
  26 // ========================================================================
  27
  28 // A mask is a 1-bit alpha bitmap used for drawing bitmaps transparently.
  29 class WXDLLEXPORT wxMask: public wxObject
  30 {
  31     DECLARE_DYNAMIC_CLASS(wxMask)
  32 public:
  33     wxMask();
  34
  35     // Construct a mask from a bitmap and a colour indicating
  36     // the transparent area
  37     wxMask(const wxBitmap& bitmap, const wxColour& colour);
  38
  39     // Construct a mask from a bitmap and a palette index indicating
  40     // the transparent area
  41     wxMask(const wxBitmap& bitmap, int paletteIndex);
  42
  43     // Construct a mask from a mono bitmap (copies the bitmap).
  44     wxMask(const wxBitmap& bitmap);
  45
  46     virtual ~wxMask();
  47
  48     bool Create(const wxBitmap& bitmap, const wxColour& colour);
  49     bool Create(const wxBitmap& bitmap, int paletteIndex);
  50     bool Create(const wxBitmap& bitmap);
  51
  52     // wxCocoa
  53     inline WX_NSBitmapImageRep GetNSBitmapImageRep()
  54     {   return m_cocoaNSBitmapImageRep; }
  55 protected:
  56     WX_NSBitmapImageRep m_cocoaNSBitmapImageRep;
  57 };
  58
  59 // ========================================================================
  60 // wxBitmap
  61 // ========================================================================
  62 class WXDLLEXPORT wxBitmap: public wxGDIObject
  63 {
  64     DECLARE_DYNAMIC_CLASS(wxBitmap)
  65 // ------------------------------------------------------------------------
  66 // initialization
  67 // ------------------------------------------------------------------------
  68 public:
  69     // Platform-specific default constructor
  70     wxBitmap();
  71     // Initialize with raw data.
  72     wxBitmap(const char bits[], int width, int height, int depth = 1);
  73     // Initialize with XPM data
  74     wxBitmap(const char* const* bits);
  75     // Load a file or resource
  76     wxBitmap(const wxString& name, wxBitmapType type = wxBITMAP_TYPE_BMP_RESOURCE);
  77     // Constructor for generalised creation from data
  78     wxBitmap(const void* data, wxBitmapType type, int width, int height, int depth = 1);
  79     // If depth is omitted, will create a bitmap compatible with the display
  80     wxBitmap(int width, int height, int depth = -1);
  81     // Convert from wxImage:
  82     wxBitmap(const wxImage& image, int depth = -1)
  83     {   CreateFromImage(image, depth); }
  84     // Convert from wxIcon
  85     wxBitmap(const wxIcon& icon) { CopyFromIcon(icon); }
  86
  87     // destructor
  88     virtual ~wxBitmap();
  89
  90 // ------------------------------------------------------------------------
  91 // Implementation
  92 // ------------------------------------------------------------------------
  93 public:
  94     // Initialize from wxImage
  95     bool CreateFromImage(const wxImage& image, int depth=-1);
  96
  97     virtual bool Create(int width, int height, int depth = -1);
  98     virtual bool Create(const void* data, wxBitmapType type, int width, int height, int depth = 1);
  99     virtual bool LoadFile(const wxString& name, wxBitmapType type = wxBITMAP_TYPE_BMP_RESOURCE);
 100     virtual bool SaveFile(const wxString& name, wxBitmapType type, const wxPalette *cmap = NULL) const;
 101
 102     // copies the contents and mask of the given (colour) icon to the bitmap
 103     virtual bool CopyFromIcon(const wxIcon& icon);
 104
 105     wxImage ConvertToImage() const;
 106
 107     // get the given part of bitmap
 108     wxBitmap GetSubBitmap( const wxRect& rect ) const;
 109
 110     bool Ok() const { return IsOk(); }
 111     bool IsOk() const;
 112     int GetWidth() const;
 113     int GetHeight() const;
 114     int GetDepth() const;
 115     int GetQuality() const;
 116     void SetWidth(int w);
 117     void SetHeight(int h);
 118     void SetDepth(int d);
 119     void SetQuality(int q);
 120     void SetOk(bool isOk);
 121
 122     // raw bitmap access support functions
 123     void *GetRawData(wxPixelDataBase& data, int bpp);
 124     void UngetRawData(wxPixelDataBase& data);
 125     void UseAlpha();
 126
 127     wxPalette* GetPalette() const;
 128     void SetPalette(const wxPalette& palette);
 129
 130     wxMask *GetMask() const;
 131     void SetMask(wxMask *mask) ;
 132
 133     int GetBitmapType() const;
 134
 135     inline bool operator == (const wxBitmap& bitmap) const
 136     {   return m_refData == bitmap.m_refData; }
 137     inline bool operator != (const wxBitmap& bitmap) const
 138     {   return m_refData != bitmap.m_refData; }
 139
 140     // wxObjectRefData
 141     wxObjectRefData *CreateRefData() const;
 142     wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
 143
 144     // wxCocoa
 145     WX_NSBitmapImageRep GetNSBitmapImageRep();
 146     void SetNSBitmapImageRep(WX_NSBitmapImageRep bitmapImageRep);
 147     WX_NSImage GetNSImage(bool useMask) const;
 148
 149     static void InitStandardHandlers() { }
 150     static void CleanUpHandlers() { }
 151 };
 152
 153 class WXDLLIMPEXP_CORE wxBitmapHandler: public wxBitmapHandlerBase
 154 {
 155     DECLARE_ABSTRACT_CLASS(wxBitmapHandler)
 156 };
 157
 158 #endif // __WX_COCOA_BITMAP_H__