// Created: 1998-01-01
// RCS-ID: $Id$
// Copyright: (c) Stefan Csomor
-// Licence: wxWidgets licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_BITMAP_H_
#define _WX_BITMAP_H_
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma interface "bitmap.h"
-#endif
-
#include "wx/palette.h"
// Bitmap
class WXDLLEXPORT wxBitmap;
+class wxBitmapRefData ;
class WXDLLEXPORT wxBitmapHandler;
class WXDLLEXPORT wxControl;
class WXDLLEXPORT wxCursor;
class WXDLLEXPORT wxPixelDataBase;
// A mask is a bitmap used for drawing bitmaps
-// it can be a monochrome bitmap or a multi-bit bitmap which transfers to alpha channels
-// transparently.
+// 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 WXDLLEXPORT wxMask: public wxObject
{
DECLARE_DYNAMIC_CLASS(wxMask)
DECLARE_NO_COPY_CLASS(wxMask)
public:
- wxMask();
-
- // 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 bitmap and a palette index indicating
- // the transparent area
- wxMask(const wxBitmap& bitmap, int paletteIndex);
-
- // Construct a mask from a mono bitmap (copies the bitmap).
- wxMask(const wxBitmap& bitmap);
-
- ~wxMask();
-
- bool Create(const wxBitmap& bitmap, const wxColour& colour);
- bool Create(const wxBitmap& bitmap, int paletteIndex);
- bool Create(const wxBitmap& bitmap);
-
- // Implementation
- bool PointMasked(int x, int y);
- inline WXHBITMAP GetMaskBitmap() const { return m_maskBitmap; }
- inline void SetMaskBitmap(WXHBITMAP bmp) { m_maskBitmap = bmp; }
- int GetDepth() const { return m_depth ; }
- void SetDepth( int depth ) { m_depth = depth ; }
-protected:
- WXHBITMAP m_maskBitmap;
- int m_depth ;
-};
+ wxMask();
-enum { kMacBitmapTypeUnknownType , kMacBitmapTypeGrafWorld, kMacBitmapTypePict , kMacBitmapTypeIcon } ;
+ // Construct a mask from a bitmap and a colour indicating
+ // the transparent area
+ wxMask(const wxBitmap& bitmap, const wxColour& colour);
-class WXDLLEXPORT wxBitmapRefData: public wxGDIRefData
-{
- DECLARE_NO_COPY_CLASS(wxBitmapRefData)
-
- friend class WXDLLEXPORT wxBitmap;
- friend class WXDLLEXPORT wxIcon;
- friend class WXDLLEXPORT wxCursor;
-public:
- wxBitmapRefData();
- ~wxBitmapRefData();
+ // 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 ) ;
-public:
- int m_width;
- int m_height;
- int m_depth;
- bool m_ok;
- int m_numColors;
-#if wxUSE_PALETTE
- wxPalette m_bitmapPalette;
-#endif // wxUSE_PALETTE
- int m_quality;
-
- int m_bitmapType ;
- WXHMETAFILE m_hPict ;
- WXHBITMAP m_hBitmap;
- WXHICON m_hIcon ;
- wxMask * m_bitmapMask; // Optional mask
- bool m_hasAlpha;
-};
+ virtual ~wxMask();
-#define M_BITMAPDATA ((wxBitmapRefData *)m_refData)
+ 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 WXDLLEXPORT wxBitmapHandler: public wxBitmapHandlerBase
-{
- DECLARE_DYNAMIC_CLASS(wxBitmapHandler)
-public:
- wxBitmapHandler() : m_name(), m_extension(), m_type(0) { }
- virtual ~wxBitmapHandler();
-
- virtual bool Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth = 1);
- virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
- int desiredWidth, int desiredHeight);
- virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL);
-
- void SetName(const wxString& name) { m_name = name; }
- void SetExtension(const wxString& ext) { m_extension = ext; }
- void SetType(long type) { m_type = type; }
- wxString GetName() const { return m_name; }
- wxString GetExtension() const { return m_extension; }
- long GetType() const { return m_type; }
-
-protected:
- wxString m_name;
- wxString m_extension;
- long m_type;
};
-#define M_BITMAPHANDLERDATA ((wxBitmapRefData *)bitmap->GetRefData())
+class WXDLLIMPEXP_CORE wxBitmapHandler: public wxBitmapHandlerBase
+{
+ DECLARE_ABSTRACT_CLASS(wxBitmapHandler)
+};
class WXDLLEXPORT wxBitmap: public wxBitmapBase
{
- DECLARE_DYNAMIC_CLASS(wxBitmap)
+ DECLARE_DYNAMIC_CLASS(wxBitmap)
- friend class WXDLLEXPORT wxBitmapHandler;
+ friend class WXDLLEXPORT wxBitmapHandler;
public:
- wxBitmap(); // Platform-specific
-
- // Copy constructors
- wxBitmap(const wxBitmap& bitmap)
- : wxBitmapBase()
- { Ref(bitmap); }
-
- // Initialize with raw data.
- wxBitmap(const char bits[], int width, int height, int depth = 1);
-
- // Initialize with XPM data
- bool CreateFromXpm(const char **bits);
- wxBitmap(const char **bits);
- wxBitmap(char **bits);
-
- // Load a file or resource
- wxBitmap(const wxString& name, wxBitmapType type = wxBITMAP_TYPE_PICT_RESOURCE);
-
- // Constructor for generalised creation from data
- wxBitmap(void *data, wxBitmapType type, int width, int height, int depth = 1);
-
- // If depth is omitted, will create a bitmap compatible with the display
- wxBitmap(int width, int height, int depth = -1);
-
- // Convert from wxImage:
- wxBitmap(const wxImage& image, int depth = -1);
-
- ~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 = -1);
- virtual bool Create(void *data, wxBitmapType type, int width, int height, int depth = 1);
- virtual bool LoadFile(const wxString& name, wxBitmapType type = wxBITMAP_TYPE_BMP_RESOURCE);
- virtual bool SaveFile(const wxString& name, wxBitmapType type, const wxPalette *cmap = NULL) const;
-
- // copies the contents and mask of the given (colour) icon to the bitmap
- virtual bool CopyFromIcon(const wxIcon& icon);
-
- bool Ok() const;
- int GetWidth() const;
- int GetHeight() const;
- int GetDepth() const;
- int GetQuality() const;
- void SetWidth(int w);
- void SetHeight(int h);
- void SetDepth(int d);
- void SetQuality(int q);
- void SetOk(bool isOk);
+ 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_TYPE_PICT_RESOURCE);
+
+ // Constructor for generalised creation from data
+ wxBitmap(const void* data, wxBitmapType type, int width, int height, int depth = 1);
+
+ // If depth is omitted, will create a bitmap compatible with the display
+ wxBitmap(int width, int height, int depth = -1);
+
+ // 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 = -1);
+ virtual bool Create(const void* data, wxBitmapType type, int width, int height, int depth = 1);
+ // virtual bool Create( WXHICON icon) ;
+ virtual bool LoadFile(const wxString& name, wxBitmapType type = wxBITMAP_TYPE_BMP_RESOURCE);
+ 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);
+
+ bool Ok() const { return IsOk(); }
+ bool IsOk() const;
+ 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 WXWIN_COMPATIBILITY_2_4
+ // these functions do nothing and are only there for backwards
+ // compatibility
+ wxDEPRECATED( int GetQuality() const );
+ wxDEPRECATED( void SetQuality(int quality) );
+#endif // WXWIN_COMPATIBILITY_2_4
#if wxUSE_PALETTE
- wxPalette* GetPalette() const;
- void SetPalette(const wxPalette& palette);
+ wxPalette* GetPalette() const;
+ void SetPalette(const wxPalette& palette);
#endif // wxUSE_PALETTE
- wxMask *GetMask() const;
- void SetMask(wxMask *mask) ;
+ wxMask *GetMask() const;
+ void SetMask(wxMask *mask) ;
- int GetBitmapType() const;
-
- inline wxBitmap& operator = (const wxBitmap& bitmap) { if (*this == bitmap) return (*this); Ref(bitmap); return *this; }
- inline bool operator == (const wxBitmap& bitmap) const { return m_refData == bitmap.m_refData; }
- inline bool operator != (const wxBitmap& bitmap) const { return m_refData != bitmap.m_refData; }
+ inline bool operator == (const wxBitmap& bitmap) const { return m_refData == bitmap.m_refData; }
+ inline bool operator != (const wxBitmap& bitmap) const { return m_refData != bitmap.m_refData; }
- static void InitStandardHandlers();
+ 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();
-public:
- WXHBITMAP GetHBITMAP() const;
- inline WXHICON GetHICON() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_hIcon : 0); }
- WXHMETAFILE GetPict(bool *created = NULL ) const;
-
- void SetHBITMAP(WXHBITMAP bmp);
- void SetHICON(WXHICON ico);
- void SetPict( WXHMETAFILE pict ) ;
+ // returns the 'native' implementation, a GWorldPtr for the content and one for the mask
+ WXHBITMAP GetHBITMAP( WXHBITMAP * mask = NULL ) const;
- bool FreeResource(bool force = FALSE);
+#ifdef __WXMAC_OSX__
+ // returns a CGImageRef which must released after usage with CGImageRelease
+ WXCGIMAGEREF CGImageCreate() const ;
+#endif
+ // get read only access to the underlying buffer
+ void *GetRawAccess() const ;
+ // brackets to the underlying OS structure for read/write access
+ // makes sure that no cached images will be constructed until terminated
+ void *BeginRawAccess() ;
+ void EndRawAccess() ;
};
#endif
// _WX_BITMAP_H_
projects / wxWidgets.git / blobdiff