fixed wxHtmlWindow flicker

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

diff --git a/include/wx/image.h b/include/wx/image.h
index 7db3f34479e8fe8f0f671bdd3af52318f1a96e73..5b15d03af255ad24ef75e63674079cb6f7a4b66d 100644 (file)
--- a/include/wx/image.h
+++ b/include/wx/image.h
@@ -21,7 +21,7 @@
 #include "wx/bitmap.h"
 
 #if wxUSE_STREAMS
-    #include "wx/stream.h"
+#  include "wx/stream.h"
 #endif
 
 //-----------------------------------------------------------------------------
@@ -29,13 +29,6 @@
 //-----------------------------------------------------------------------------
 
 class WXDLLEXPORT wxImageHandler;
-#if wxUSE_LIBPNG
-class WXDLLEXPORT wxPNGHandler;
-#endif
-#if wxUSE_LIBJPEG
-class WXDLLEXPORT wxJPEGHandler;
-#endif
-class WXDLLEXPORT wxBMPHandler;
 class WXDLLEXPORT wxImage;
 
 //-----------------------------------------------------------------------------
@@ -44,26 +37,33 @@ class WXDLLEXPORT wxImage;
 
 class WXDLLEXPORT wxImageHandler: public wxObject
 {
-  DECLARE_DYNAMIC_CLASS(wxImageHandler)
+  DECLARE_CLASS(wxImageHandler)
 
 public:
   wxImageHandler() { m_name = ""; m_extension = ""; m_type = 0; }
 
 #if wxUSE_STREAMS
-  virtual bool LoadFile( wxImage *image, wxInputStream& stream );
-  virtual bool SaveFile( wxImage *image, wxOutputStream& stream );
+  virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
+  virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
+  
+  virtual int GetImageCount( wxInputStream& stream );
+
+  bool CanRead( wxInputStream& stream ) { return DoCanRead(stream); }
+  bool CanRead( const wxString& name );
 #endif
 
-  inline void SetName(const wxString& name) { m_name = name; }
-  inline void SetExtension(const wxString& ext) { m_extension = ext; }
-  inline void SetType(long type) { m_type = type; }
-  inline void SetMimeType(const wxString& type) { m_mime = type; }
-  inline wxString GetName() const { return m_name; }
-  inline wxString GetExtension() const { return m_extension; }
-  inline long GetType() const { return m_type; }
-  inline wxString GetMimeType() const { return m_mime; }
+  void SetName(const wxString& name) { m_name = name; }
+  void SetExtension(const wxString& ext) { m_extension = ext; }
+  void SetType(long type) { m_type = type; }
+  void SetMimeType(const wxString& type) { m_mime = type; }
+  wxString GetName() const { return m_name; }
+  wxString GetExtension() const { return m_extension; }
+  long GetType() const { return m_type; }
+  wxString GetMimeType() const { return m_mime; }
 
 protected:
+  virtual bool DoCanRead( wxInputStream& stream ) = 0;
+
   wxString  m_name;
   wxString  m_extension;
   wxString  m_mime;
@@ -71,108 +71,21 @@ protected:
 
 };
 
-//-----------------------------------------------------------------------------
-// wxPNGHandler
-//-----------------------------------------------------------------------------
-
-#if wxUSE_LIBPNG
-class WXDLLEXPORT wxPNGHandler: public wxImageHandler
-{
-  DECLARE_DYNAMIC_CLASS(wxPNGHandler)
-
-public:
-
-  inline wxPNGHandler()
-  {
-      m_name = "PNG file";
-      m_extension = "png";
-      m_type = wxBITMAP_TYPE_PNG;
-      m_mime = "image/png";
-  };
 
-#if wxUSE_STREAMS
-  virtual bool LoadFile( wxImage *image, wxInputStream& stream );
-  virtual bool SaveFile( wxImage *image, wxOutputStream& stream );
-#endif
-};
-#endif
 
 //-----------------------------------------------------------------------------
-// wxJPEGHandler
+// wxImage
 //-----------------------------------------------------------------------------
 
-#if wxUSE_LIBJPEG
-class WXDLLEXPORT wxJPEGHandler: public wxImageHandler
-{
-  DECLARE_DYNAMIC_CLASS(wxJPEGHandler)
-
-public:
-
-  inline wxJPEGHandler()
-  {
-      m_name = "JPEG file";
-      m_extension = "jpg";
-      m_type = wxBITMAP_TYPE_JPEG;
-      m_mime = "image/jpeg";
-  };
-
-#if wxUSE_STREAMS
-  virtual bool LoadFile( wxImage *image, wxInputStream& stream );
-  virtual bool SaveFile( wxImage *image, wxOutputStream& stream );
-#endif
-};
-#endif
-
-//-----------------------------------------------------------------------------
-// wxBMPHandler
-//-----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxBMPHandler: public wxImageHandler
+// GRG: Dic/99
+class WXDLLEXPORT wxHNode
 {
-  DECLARE_DYNAMIC_CLASS(wxBMPHandler)
-
 public:
-
-  inline wxBMPHandler()
-  {
-      m_name = "BMP file";
-      m_extension = "bmp";
-      m_type = wxBITMAP_TYPE_BMP;
-      m_mime = "image/bmp";
-  };
-
-#if wxUSE_STREAMS
-  virtual bool LoadFile( wxImage *image, wxInputStream& stream );
-#endif
+    unsigned long index;
+    unsigned long value;
 };
 
-//-----------------------------------------------------------------------------
-// wxGIFHandler
-//-----------------------------------------------------------------------------
-
-class WXDLLEXPORT wxGIFHandler : public wxImageHandler
-{
-  DECLARE_DYNAMIC_CLASS(wxGIFHandler)
-
-public:
-
-  inline wxGIFHandler()
-  {
-      m_name = "GIF file";
-      m_extension = "gif";
-      m_type = wxBITMAP_TYPE_GIF;
-      m_mime = "image/gif";
-  };
-
-#if wxUSE_STREAMS
-  virtual bool LoadFile( wxImage *image, wxInputStream& stream );
-  virtual bool SaveFile( wxImage *image, wxOutputStream& stream );
-#endif
-};
-
-//-----------------------------------------------------------------------------
-// wxImage
-//-----------------------------------------------------------------------------
 
 class WXDLLEXPORT wxImage: public wxObject
 {
@@ -184,8 +97,8 @@ 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 wxString& name, long type = wxBITMAP_TYPE_ANY );
+  wxImage( wxInputStream& stream, long type = wxBITMAP_TYPE_ANY );
   wxImage( const wxString& name, const wxString& mimetype );
   wxImage( wxInputStream& stream, const wxString& mimetype );
 
@@ -200,6 +113,9 @@ public:
   void Create( int width, int height );
   void Destroy();
 
+  // return the new image with size width*height
+  wxImage GetSubImage( const wxRect& ) const;
+
   // return the new image with size width*height
   wxImage Scale( int width, int height ) const;
 
@@ -212,11 +128,13 @@ public:
   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 );
+  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 );
 
 #if wxUSE_STREAMS
-  virtual bool LoadFile( wxInputStream& stream, long type = wxBITMAP_TYPE_PNG );
+  static bool CanRead( wxInputStream& stream );
+  virtual bool LoadFile( wxInputStream& stream, long type = wxBITMAP_TYPE_ANY );
   virtual bool LoadFile( wxInputStream& stream, const wxString& mimetype );
 #endif
 
@@ -266,12 +184,33 @@ public:
   static void CleanUpHandlers();
   static void InitStandardHandlers();
 
+  // GRG: Dic/99
+  unsigned long CountColours( unsigned long stopat = -1 );
+  unsigned long ComputeHistogram( wxHashTable &h );
+
+
 protected:
 
   static wxList sm_handlers;
 
 };
 
+
+extern void WXDLLEXPORT wxInitAllImageHandlers();
+
+
+//-----------------------------------------------------------------------------
+// wxImage handlers
+//-----------------------------------------------------------------------------
+
+#include "wx/imagbmp.h"
+#include "wx/imagpng.h"
+#include "wx/imaggif.h"
+#include "wx/imagpcx.h"
+#include "wx/imagjpeg.h"
+#include "wx/imagtiff.h"
+#include "wx/imagpnm.h"
+
 #endif
   // _WX_IMAGE_H_