RenameEntry/Group() functions added to wxConfig and derivations (not yet

[wxWidgets.git] / include / wx / image.h

diff --git a/include/wx/image.h b/include/wx/image.h
index dc93c603c6a730790c2d326a0cbeb8faecffd2e2..b22b46cd071048673c95c99ad6389eea8451cfd8 100644 (file)
--- a/include/wx/image.h
+++ b/include/wx/image.h
@@ -18,13 +18,16 @@
 #include "wx/object.h"
 #include "wx/string.h"
 #include "wx/gdicmn.h"
+#include "wx/stream.h"
 
 //-----------------------------------------------------------------------------
 // classes
 //-----------------------------------------------------------------------------
 
 class WXDLLEXPORT wxImageHandler;
+#ifdef wxUSE_LIBPNG
 class WXDLLEXPORT wxPNGHandler;
+#endif
 class WXDLLEXPORT wxBMPHandler;
 class WXDLLEXPORT wxImage;
 
@@ -41,8 +44,8 @@ class WXDLLEXPORT wxImageHandler: public wxObject
 public:
   wxImageHandler() { m_name = ""; m_extension = ""; m_type = 0; }
 
-  virtual bool LoadFile( wxImage *image, const wxString& name );
-  virtual bool SaveFile( wxImage *image, const wxString& name );
+  virtual bool LoadFile( wxImage *image, wxInputStream& stream );
+  virtual bool SaveFile( wxImage *image, wxOutputStream& stream );
 
   inline void SetName(const wxString& name) { m_name = name; }
   inline void SetExtension(const wxString& ext) { m_extension = ext; }
@@ -62,6 +65,7 @@ protected:
 // wxPNGHandler
 //-----------------------------------------------------------------------------
 
+#ifdef wxUSE_LIBPNG
 class WXDLLEXPORT wxPNGHandler: public wxImageHandler
 {
   DECLARE_DYNAMIC_CLASS(wxPNGHandler)
@@ -75,9 +79,10 @@ public:
       m_type = wxBITMAP_TYPE_PNG;
   };
 
-  virtual bool LoadFile( wxImage *image, const wxString& name );
-  virtual bool SaveFile( wxImage *image, const wxString& name );
+  virtual bool LoadFile( wxImage *image, wxInputStream& stream );
+  virtual bool SaveFile( wxImage *image, wxOutputStream& stream );
 };
+#endif
 
 //-----------------------------------------------------------------------------
 // wxBMPHandler
@@ -96,7 +101,7 @@ public:
       m_type = wxBITMAP_TYPE_BMP;
   };
 
-  virtual bool LoadFile( wxImage *image, const wxString& name );
+  virtual bool LoadFile( wxImage *image, wxInputStream& stream );
 };
 
 //-----------------------------------------------------------------------------
@@ -114,6 +119,7 @@ public:
   wxImage();
   wxImage( int width, int height );
   wxImage( const wxString& name, long type = wxBITMAP_TYPE_PNG );
+  wxImage( wxInputStream& stream, long type = wxBITMAP_TYPE_PNG );
   
   wxImage( const wxImage& image );
   wxImage( const wxImage* image );
@@ -127,8 +133,16 @@ public:
   
   wxImage Scale( int width, int height );
   
+  // these routines are slow but safe  
+  void SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b );
+  unsigned char GetRed( int x, int y );
+  unsigned char GetGreen( int x, int y );
+  unsigned char GetBlue( int x, int y );
+  
   virtual bool LoadFile( const wxString& name, long type = wxBITMAP_TYPE_PNG );
+  virtual bool LoadFile( wxInputStream& stream, long type = wxBITMAP_TYPE_PNG );
   virtual bool SaveFile( const wxString& name, int type );
+  virtual bool SaveFile( wxOutputStream& stream, int type );
 
   bool Ok() const;
   int GetWidth() const;
@@ -144,9 +158,13 @@ public:
   void SetMask( bool mask = TRUE );
   bool HasMask() const;
 
-  inline wxImage& operator = (const wxImage& image) 
-    { if (*this == image) return (*this); Ref(image); return *this; }
-  inline bool operator == (const wxImage& image) 
+  inline wxImage& operator = (const wxImage& image)
+    { if ((*this) == image)
+          return (*this);
+      Ref(image);
+      return *this; }
+
+  inline bool operator == (const wxImage& image)
     { return m_refData == image.m_refData; }
   inline bool operator != (const wxImage& image) 
     { return m_refData != image.m_refData; }