added wxStringBuffer helper

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

diff --git a/include/wx/image.h b/include/wx/image.h
index 7e872e39118a630c193ecd9259e1f28cdfcd48f9..661c514d8143c016b30bc82dbbc6fcf69c9c70d0 100644 (file)
--- a/include/wx/image.h
+++ b/include/wx/image.h
@@ -24,6 +24,8 @@
 #  include "wx/stream.h"
 #endif
 
+#if wxUSE_IMAGE
+
 //-----------------------------------------------------------------------------
 // classes
 //-----------------------------------------------------------------------------
@@ -98,11 +100,13 @@ public:
     wxImage( const wxImage& image );
     wxImage( const wxImage* image );
 
+#if wxUSE_GUI
+    // convertion to/from wxBitmap (deprecated, use wxBitmap's methods instead):
     wxImage( const wxBitmap &bitmap );
-    operator wxBitmap() const { return ConvertToBitmap(); }
     wxBitmap ConvertToBitmap() const;
 #ifdef __WXGTK__
-    wxBitmap ConvertToMonoBitmap( unsigned char red, unsigned char green, unsigned char blue );
+    wxBitmap ConvertToMonoBitmap( unsigned char red, unsigned char green, unsigned char blue ) const;
+#endif
 #endif
 
     void Create( int width, int height );
@@ -137,6 +141,9 @@ public:
     // replace one colour with another
     void Replace( unsigned char r1, unsigned char g1, unsigned char b1,
                   unsigned char r2, unsigned char g2, unsigned char b2 );
+                 
+    // convert to monochrome image (<r,g,b> will be replaced by white, everything else by black)
+    wxImage ConvertToMono( unsigned char r, unsigned char g, unsigned char b ) const;
 
     // these routines are slow but safe
     void SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b );
@@ -144,6 +151,15 @@ public:
     unsigned char GetGreen( int x, int y ) const;
     unsigned char GetBlue( int x, int y ) const;
 
+    // find first colour that is not used in the image and has higher
+    // RGB values than <startR,startG,startB>
+    bool FindFirstUnusedColour( unsigned char *r, unsigned char *g, unsigned char *b,
+                                unsigned char startR = 1, unsigned char startG = 0, 
+                                unsigned char startB = 0 );
+    // Set image's mask to the area of 'mask' that has <r,g,b> colour
+    bool SetMaskFromImage(const wxImage & mask, 
+                          unsigned char mr, unsigned char mg, unsigned char mb);
+
     static bool CanRead( const wxString& name );
     virtual bool LoadFile( const wxString& name, long type = wxBITMAP_TYPE_ANY );
     virtual bool LoadFile( const wxString& name, const wxString& mimetype );
@@ -178,10 +194,12 @@ public:
     void SetMask( bool mask = TRUE );
     bool HasMask() const;
 
+#if wxUSE_PALETTE
     // Palette functions
     bool HasPalette() const;
     const wxPalette& GetPalette() const;
     void SetPalette(const wxPalette& palette);
+#endif // wxUSE_PALETTE
 
     // Option functions (arbitrary name/value mapping)
     void SetOption(const wxString& name, const wxString& value);
@@ -229,6 +247,7 @@ private:
 
 extern void WXDLLEXPORT wxInitAllImageHandlers();
 
+WXDLLEXPORT_DATA(extern wxImage)    wxNullImage;
 
 //-----------------------------------------------------------------------------
 // wxImage handlers
@@ -241,6 +260,9 @@ extern void WXDLLEXPORT wxInitAllImageHandlers();
 #include "wx/imagjpeg.h"
 #include "wx/imagtiff.h"
 #include "wx/imagpnm.h"
+#include "wx/imagxpm.h"
+
+#endif // wxUSE_IMAGE
 
 #endif
   // _WX_IMAGE_H_