+/////////////////////////////////////////////////////////////////////////////
+// Name: wx/osx/bitmap.h
+// Purpose: wxBitmap class
+// Author: Stefan Csomor
+// Modified by:
+// Created: 1998-01-01
+// RCS-ID: $Id$
+// Copyright: (c) Stefan Csomor
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_BITMAP_H_
+#define _WX_BITMAP_H_
+
+#include "wx/palette.h"
+
+// Bitmap
+class WXDLLIMPEXP_FWD_CORE wxBitmap;
+class wxBitmapRefData ;
+class WXDLLIMPEXP_FWD_CORE wxBitmapHandler;
+class WXDLLIMPEXP_FWD_CORE wxControl;
+class WXDLLIMPEXP_FWD_CORE wxCursor;
+class WXDLLIMPEXP_FWD_CORE wxDC;
+class WXDLLIMPEXP_FWD_CORE wxIcon;
+class WXDLLIMPEXP_FWD_CORE wxImage;
+class WXDLLIMPEXP_FWD_CORE wxPixelDataBase;
+
+// A mask is a bitmap used for drawing bitmaps
+// Internally it is stored as a 8 bit deep memory chunk, 0 = black means the source will be drawn
+// 255 = white means the source will not be drawn, no other values will be present
+// 8 bit is chosen only for performance reasons, note also that this is the inverse value range
+// from alpha, where 0 = invisible , 255 = fully drawn
+
+class WXDLLIMPEXP_CORE wxMask: public wxObject
+{
+ DECLARE_DYNAMIC_CLASS(wxMask)
+
+public:
+ wxMask();
+
+ // Copy constructor
+ wxMask(const wxMask& mask);
+
+ // Construct a mask from a bitmap and a colour indicating
+ // the transparent area
+ wxMask(const wxBitmap& bitmap, const wxColour& colour);
+
+ // Construct a mask from a mono bitmap (black meaning show pixels, white meaning transparent)
+ wxMask(const wxBitmap& bitmap);
+
+ // implementation helper only : construct a mask from a 32 bit memory buffer
+ wxMask(const wxMemoryBuffer& buf, int width , int height , int bytesPerRow ) ;
+
+ virtual ~wxMask();
+
+ bool Create(const wxBitmap& bitmap, const wxColour& colour);
+ bool Create(const wxBitmap& bitmap);
+ bool Create(const wxMemoryBuffer& buf, int width , int height , int bytesPerRow ) ;
+
+ // Implementation below
+
+ void Init() ;
+
+ // a 8 bit depth mask
+ void* GetRawAccess() const;
+ int GetBytesPerRow() const { return m_bytesPerRow ; }
+ // renders/updates native representation when necessary
+ void RealizeNative() ;
+
+ WXHBITMAP GetHBITMAP() const ;
+
+
+private:
+ wxMemoryBuffer m_memBuf ;
+ int m_bytesPerRow ;
+ int m_width ;
+ int m_height ;
+
+ WXHBITMAP m_maskBitmap ;
+
+};
+
+class WXDLLIMPEXP_CORE wxBitmap: public wxBitmapBase
+{
+ DECLARE_DYNAMIC_CLASS(wxBitmap)
+
+ friend class WXDLLIMPEXP_FWD_CORE wxBitmapHandler;
+
+public:
+ wxBitmap() {} // Platform-specific
+
+ // Initialize with raw data.
+ wxBitmap(const char bits[], int width, int height, int depth = 1);
+
+ // Initialize with XPM data
+ wxBitmap(const char* const* bits);
+
+ // Load a file or resource
+ wxBitmap(const wxString& name, wxBitmapType type = wxBITMAP_DEFAULT_TYPE);
+
+ // Constructor for generalised creation from data
+ wxBitmap(const void* data, wxBitmapType type, int width, int height, int depth = 1);
+
+ // creates an bitmap from the native image format
+ wxBitmap(CGImageRef image);
+
+ // If depth is omitted, will create a bitmap compatible with the display
+ wxBitmap(int width, int height, int depth = -1) { (void)Create(width, height, depth); }
+ wxBitmap(const wxSize& sz, int depth = -1) { (void)Create(sz, depth); }
+
+ // Convert from wxImage:
+ wxBitmap(const wxImage& image, int depth = -1);
+
+ // Convert from wxIcon
+ wxBitmap(const wxIcon& icon) { CopyFromIcon(icon); }
+
+ virtual ~wxBitmap() {}
+
+ wxImage ConvertToImage() const;
+
+ // get the given part of bitmap
+ wxBitmap GetSubBitmap( const wxRect& rect ) const;
+
+ virtual bool Create(int width, int height, int depth = wxBITMAP_SCREEN_DEPTH);
+ virtual bool Create(const wxSize& sz, int depth = wxBITMAP_SCREEN_DEPTH)
+ { return Create(sz.GetWidth(), sz.GetHeight(), depth); }
+
+ virtual bool Create(const void* data, wxBitmapType type, int width, int height, int depth = 1);
+ bool Create( CGImageRef image );
+
+ // virtual bool Create( WXHICON icon) ;
+ virtual bool LoadFile(const wxString& name, wxBitmapType type = wxBITMAP_DEFAULT_TYPE);
+ virtual bool SaveFile(const wxString& name, wxBitmapType type, const wxPalette *cmap = NULL) const;
+
+ wxBitmapRefData *GetBitmapData() const
+ { return (wxBitmapRefData *)m_refData; }
+
+ // copies the contents and mask of the given (colour) icon to the bitmap
+ virtual bool CopyFromIcon(const wxIcon& icon);
+
+ int GetWidth() const;
+ int GetHeight() const;
+ int GetDepth() const;
+ void SetWidth(int w);
+ void SetHeight(int h);
+ void SetDepth(int d);
+ void SetOk(bool isOk);
+
+#if wxUSE_PALETTE
+ wxPalette* GetPalette() const;
+ void SetPalette(const wxPalette& palette);
+#endif // wxUSE_PALETTE
+
+ wxMask *GetMask() const;
+ void SetMask(wxMask *mask) ;
+
+ static void InitStandardHandlers();
+
+ // raw bitmap access support functions, for internal use only
+ void *GetRawData(wxPixelDataBase& data, int bpp);
+ void UngetRawData(wxPixelDataBase& data);
+
+ // these functions are internal and shouldn't be used, they risk to
+ // disappear in the future
+ bool HasAlpha() const;
+ void UseAlpha();
+
+ // returns the 'native' implementation, a GWorldPtr for the content and one for the mask
+ WXHBITMAP GetHBITMAP( WXHBITMAP * mask = NULL ) const;
+
+ // returns a CGImageRef which must released after usage with CGImageRelease
+ CGImageRef CreateCGImage() const ;
+
+#if wxOSX_USE_COCOA
+ // returns an autoreleased version of the image
+ WX_NSImage GetNSImage() const;
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