include/wx/mac/bitmap.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        bitmap.h
   3 // Purpose:     wxBitmap class
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_BITMAP_H_
  13 #define _WX_BITMAP_H_
  14
  15 #ifdef __GNUG__
  16   #pragma interface "bitmap.h"
  17 #endif
  18
  19 #include "wx/palette.h"
  20
  21 // Bitmap
  22 class WXDLLEXPORT wxDC;
  23 class WXDLLEXPORT wxControl;
  24 class WXDLLEXPORT wxBitmap;
  25 class WXDLLEXPORT wxBitmapHandler;
  26 class WXDLLEXPORT wxIcon;
  27 class WXDLLEXPORT wxCursor;
  28 class WXDLLEXPORT wxImage;
  29
  30 GWorldPtr       wxMacCreateGWorld( int width , int height , int depth ) ;
  31 void            wxMacDestroyGWorld( GWorldPtr gw ) ;
  32 PicHandle       wxMacCreatePict( GWorldPtr gw , GWorldPtr mask = NULL ) ;
  33 void            wxMacSetColorTableEntry( CTabHandle newColors , int index , int red , int green ,  int blue ) ;
  34 CTabHandle      wxMacCreateColorTable( int numColors ) ;
  35
  36 // A mask is a mono bitmap used for drawing bitmaps
  37 // transparently.
  38 class WXDLLEXPORT wxMask: public wxObject
  39 {
  40   DECLARE_DYNAMIC_CLASS(wxMask)
  41
  42 public:
  43   wxMask();
  44
  45   // Construct a mask from a bitmap and a colour indicating
  46   // the transparent area
  47   wxMask(const wxBitmap& bitmap, const wxColour& colour);
  48
  49   // Construct a mask from a bitmap and a palette index indicating
  50   // the transparent area
  51   wxMask(const wxBitmap& bitmap, int paletteIndex);
  52
  53   // Construct a mask from a mono bitmap (copies the bitmap).
  54   wxMask(const wxBitmap& bitmap);
  55
  56   ~wxMask();
  57
  58   bool Create(const wxBitmap& bitmap, const wxColour& colour);
  59   bool Create(const wxBitmap& bitmap, int paletteIndex);
  60   bool Create(const wxBitmap& bitmap);
  61
  62   // Implementation
  63   bool PointMasked(int x, int y);
  64   inline WXHBITMAP GetMaskBitmap() const { return m_maskBitmap; }
  65   inline void SetMaskBitmap(WXHBITMAP bmp) { m_maskBitmap = bmp; }
  66 protected:
  67   WXHBITMAP m_maskBitmap;
  68 };
  69
  70 enum { kMacBitmapTypeUnknownType , kMacBitmapTypeGrafWorld, kMacBitmapTypePict , kMacBitmapTypeIcon } ;
  71
  72 class WXDLLEXPORT wxBitmapRefData: public wxGDIRefData
  73 {
  74     friend class WXDLLEXPORT wxBitmap;
  75     friend class WXDLLEXPORT wxIcon;
  76     friend class WXDLLEXPORT wxCursor;
  77 public:
  78     wxBitmapRefData();
  79     ~wxBitmapRefData();
  80
  81 public:
  82   int           m_width;
  83   int           m_height;
  84   int           m_depth;
  85   bool          m_ok;
  86   int           m_numColors;
  87   wxPalette     m_bitmapPalette;
  88   int           m_quality;
  89
  90         int                                             m_bitmapType ;
  91         PicHandle                       m_hPict ;
  92         WXHBITMAP     m_hBitmap;
  93         WXHICON m_hIcon ;
  94   wxMask *      m_bitmapMask; // Optional mask
  95 };
  96
  97 #define M_BITMAPDATA ((wxBitmapRefData *)m_refData)
  98
  99 class WXDLLEXPORT wxBitmapHandler: public wxBitmapHandlerBase
 100 {
 101   DECLARE_DYNAMIC_CLASS(wxBitmapHandler)
 102 public:
 103   wxBitmapHandler() { m_name = ""; m_extension = ""; m_type = 0; };
 104 #ifdef __DARWIN__
 105   virtual ~wxBitmapHandler() { }
 106 #endif
 107
 108   virtual bool Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth = 1);
 109   virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 110       int desiredWidth, int desiredHeight);
 111   virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL);
 112
 113   inline void SetName(const wxString& name) { m_name = name; }
 114   inline void SetExtension(const wxString& ext) { m_extension = ext; }
 115   inline void SetType(long type) { m_type = type; }
 116   inline wxString GetName() const { return m_name; }
 117   inline wxString GetExtension() const { return m_extension; }
 118   inline long GetType() const { return m_type; }
 119 protected:
 120   wxString  m_name;
 121   wxString  m_extension;
 122   long      m_type;
 123 };
 124
 125 #define M_BITMAPHANDLERDATA ((wxBitmapRefData *)bitmap->GetRefData())
 126
 127 class WXDLLEXPORT wxBitmap: public wxBitmapBase
 128 {
 129   DECLARE_DYNAMIC_CLASS(wxBitmap)
 130
 131   friend class WXDLLEXPORT wxBitmapHandler;
 132
 133 public:
 134   wxBitmap(); // Platform-specific
 135
 136   // Copy constructors
 137   inline wxBitmap(const wxBitmap& bitmap)
 138   { Ref(bitmap); if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this); }
 139
 140   // Initialize with raw data.
 141   wxBitmap(const char bits[], int width, int height, int depth = 1);
 142
 143   // Initialize with XPM data
 144   bool CreateFromXpm(const char **bits);
 145   wxBitmap(const char **bits);
 146   wxBitmap(char **bits);
 147
 148   // Load a file or resource
 149   wxBitmap(const wxString& name, wxBitmapType type = wxBITMAP_TYPE_PICT_RESOURCE);
 150
 151   // Constructor for generalised creation from data
 152   wxBitmap(void *data, wxBitmapType type, int width, int height, int depth = 1);
 153
 154   // If depth is omitted, will create a bitmap compatible with the display
 155   wxBitmap(int width, int height, int depth = -1);
 156
 157   // Convert from wxImage:
 158   wxBitmap(const wxImage& image, int depth = -1);
 159
 160   ~wxBitmap();
 161
 162   wxImage ConvertToImage() const;
 163
 164   // get the given part of bitmap
 165   wxBitmap GetSubBitmap( const wxRect& rect ) const;
 166
 167   virtual bool Create(int width, int height, int depth = -1);
 168   virtual bool Create(void *data, wxBitmapType type, int width, int height, int depth = 1);
 169   virtual bool LoadFile(const wxString& name, wxBitmapType type = wxBITMAP_TYPE_BMP_RESOURCE);
 170   virtual bool SaveFile(const wxString& name, wxBitmapType type, const wxPalette *cmap = NULL) const;
 171
 172   // copies the contents and mask of the given (colour) icon to the bitmap
 173   virtual bool CopyFromIcon(const wxIcon& icon);
 174
 175   bool Ok() const;
 176   int GetWidth() const;
 177   int GetHeight() const;
 178   int GetDepth() const;
 179   int GetQuality() const;
 180   void SetWidth(int w);
 181   void SetHeight(int h);
 182   void SetDepth(int d);
 183   void SetQuality(int q);
 184   void SetOk(bool isOk);
 185
 186   wxPalette* GetPalette() const;
 187   void SetPalette(const wxPalette& palette);
 188
 189   wxMask *GetMask() const;
 190   void SetMask(wxMask *mask) ;
 191
 192   int GetBitmapType() const;
 193
 194   inline wxBitmap& operator = (const wxBitmap& bitmap) { if (*this == bitmap) return (*this); Ref(bitmap); return *this; }
 195   inline bool operator == (const wxBitmap& bitmap) { return m_refData == bitmap.m_refData; }
 196   inline bool operator != (const wxBitmap& bitmap) { return m_refData != bitmap.m_refData; }
 197
 198   // Format handling
 199   static inline wxList& GetHandlers() { return sm_handlers; }
 200   static void AddHandler(wxBitmapHandler *handler);
 201   static void InsertHandler(wxBitmapHandler *handler);
 202   static bool RemoveHandler(const wxString& name);
 203   static wxBitmapHandler *FindHandler(const wxString& name);
 204   static wxBitmapHandler *FindHandler(const wxString& extension, wxBitmapType type);
 205   static wxBitmapHandler *FindHandler(wxBitmapType type);
 206
 207   static void InitStandardHandlers();
 208   static void CleanUpHandlers();
 209 protected:
 210
 211   // TODO: Implementation
 212 public:
 213   void SetHBITMAP(WXHBITMAP bmp);
 214   WXHBITMAP GetHBITMAP() const;
 215   void SetHICON(WXHICON ico);
 216   inline WXHICON GetHICON() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_hIcon : 0); }
 217
 218   PicHandle GetPict() const;
 219
 220   bool FreeResource(bool force = FALSE);
 221 };
 222 #endif
 223   // _WX_BITMAP_H_