added CanConvert()

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

diff --git a/include/wx/image.h b/include/wx/image.h
index f118631b244f805af30ce348289ca40ab287e1c3..778de2940492e5a152d923f4ecb1a35cd19d69bb 100644 (file)
--- a/include/wx/image.h
+++ b/include/wx/image.h
@@ -10,7 +10,7 @@
 #ifndef _WX_IMAGE_H_
 #define _WX_IMAGE_H_
 
-#if defined(__GNUG__) && !defined(__APPLE__)
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma interface "image.h"
 #endif
 
@@ -29,6 +29,10 @@
 
 #if wxUSE_IMAGE
 
+// on some systems (Unixware 7.x) index is defined as a macro in the headers
+// which breaks the compilation below
+#undef index
+
 #define wxIMAGE_OPTION_FILENAME wxString(_T("FileName"))
 
 //-----------------------------------------------------------------------------
@@ -47,7 +51,7 @@ class WXDLLEXPORT wxImageHandler: public wxObject
 {
 public:
     wxImageHandler()
-        : m_name(wxT("")), m_extension(wxT("")), m_mime(), m_type(0)
+        : m_name(wxEmptyString), m_extension(wxEmptyString), m_mime(), m_type(0)
         { }
 
 #if wxUSE_STREAMS
@@ -93,7 +97,7 @@ private:
 class WXDLLEXPORT wxImageHistogramEntry
 {
 public:
-    wxImageHistogramEntry() : index(0), value(0) {}
+    wxImageHistogramEntry() { index = value = 0; }
     unsigned long index;
     unsigned long value;
 };
@@ -102,7 +106,7 @@ WX_DECLARE_EXPORTED_HASH_MAP(unsigned long, wxImageHistogramEntry,
                              wxIntegerHash, wxIntegerEqual,
                              wxImageHistogramBase);
 
-class wxImageHistogram : public wxImageHistogramBase
+class WXDLLEXPORT wxImageHistogram : public wxImageHistogramBase
 {
 public:
     wxImageHistogram() : wxImageHistogramBase(256) { }
@@ -136,7 +140,7 @@ class WXDLLEXPORT wxImage: public wxObject
 {
 public:
     wxImage();
-    wxImage( int width, int height );
+    wxImage( int width, int height, bool clear = true );
     wxImage( int width, int height, unsigned char* data, bool static_data = FALSE );
     wxImage( const wxString& name, long type = wxBITMAP_TYPE_ANY, int index = -1 );
     wxImage( const wxString& name, const wxString& mimetype, int index = -1 );
@@ -149,17 +153,8 @@ public:
     wxImage( const wxImage& image );
     wxImage( const wxImage* image );
 
-#if WXWIN_COMPATIBILITY_2_2 && wxUSE_GUI
-    // conversion to/from wxBitmap (deprecated, use wxBitmap's methods instead):
-    wxDEPRECATED( wxImage(const wxBitmap &bitmap) );
-    wxDEPRECATED( wxBitmap ConvertToBitmap() const );
-#ifdef __WXGTK__
-    wxBitmap ConvertToMonoBitmap( unsigned char red, unsigned char green, unsigned char blue ) const;
-#endif
-#endif
-
-    void Create( int width, int height );
-    void Create( int width, int height, unsigned char* data, bool static_data = FALSE );
+    bool Create( int width, int height, bool clear = true );
+    bool Create( int width, int height, unsigned char* data, bool static_data = FALSE );
     void Destroy();
 
     // creates an identical copy of the image (the = operator
@@ -175,7 +170,7 @@ public:
 
     // return the new image with size width*height
     wxImage Scale( int width, int height ) const;
-    
+
     wxImage ShrinkBy( int xFactor , int yFactor ) const ;
 
     // rescales the image in place
@@ -275,8 +270,8 @@ public:
 
     // Computes the histogram of the image and fills a hash table, indexed
     // with integer keys built as 0xRRGGBB, containing wxImageHistogramEntry
-    // objects. Each of them contains an 'index' (useful to build a palette 
-    // with the image colours) and a 'value', which is the number of pixels 
+    // objects. Each of them contains an 'index' (useful to build a palette
+    // with the image colours) and a 'value', which is the number of pixels
     // in the image with that colour.
     // Returned value: # of entries in the histogram
     unsigned long ComputeHistogram( wxImageHistogram &h ) const;
@@ -302,6 +297,8 @@ public:
     static wxImageHandler *FindHandler( long imageType );
     static wxImageHandler *FindHandlerMime( const wxString& mimetype );
 
+    static wxString GetImageExtWildcard();
+
     static void CleanUpHandlers();
     static void InitStandardHandlers();