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