removed pnghand from MSW sources - obsoleted

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

diff --git a/include/wx/stream.h b/include/wx/stream.h
index d9fe1b89c00f6dc8ce8d41ce3c19351f6ab20bec..5ef44470c138769c3fa2f1a2eb224966b84e86b8 100644 (file)
--- a/include/wx/stream.h
+++ b/include/wx/stream.h
@@ -136,6 +136,28 @@ class WXDLLEXPORT wxOutputStream: public wxStreamBase {
   wxOutputStream& operator<<( __wxOutputManip func) { return func(*this); }
 };
 
+// ---------------------------------------------------------------------------
+// A stream for measuring streamed output
+// ---------------------------------------------------------------------------
+
+class wxCountingOutputStream: public wxOutputStream {
+ public:
+  wxCountingOutputStream();
+
+  size_t GetSize() const;
+  bool Ok() const { return TRUE; }
+
+ protected:
+
+  size_t OnSysWrite(const void *buffer, size_t size);
+  off_t OnSysSeek(off_t pos, wxSeekMode mode);
+  off_t OnSysTell() const;
+
+ protected:
+  size_t m_currentPos;
+};
+
+
 // ---------------------------------------------------------------------------
 // "Filter" streams
 // ---------------------------------------------------------------------------
@@ -148,7 +170,6 @@ class WXDLLEXPORT wxFilterInputStream: public wxInputStream {
 
   char Peek() { return m_parent_i_stream->Peek(); }
 
-  wxStreamError LastError() const { return m_parent_i_stream->LastError(); }
   size_t GetSize() const { return m_parent_i_stream->GetSize(); }
 
  protected:
@@ -161,7 +182,6 @@ class WXDLLEXPORT wxFilterOutputStream: public wxOutputStream {
   wxFilterOutputStream(wxOutputStream& stream);
   ~wxFilterOutputStream();
 
-  wxStreamError LastError() const { return m_parent_o_stream->LastError(); }
   size_t GetSize() const { return m_parent_o_stream->GetSize(); }
 
  protected:
@@ -194,6 +214,7 @@ class WXDLLEXPORT wxStreamBuffer {
   size_t Write(const void *buffer, size_t size);
   size_t Write(wxStreamBuffer *buf);
 
+  char Peek();
   char GetChar();
   void PutChar(char c);
   off_t Tell() const;
@@ -232,9 +253,6 @@ class WXDLLEXPORT wxStreamBuffer {
   char *m_buffer_start, *m_buffer_end, *m_buffer_pos;
   size_t m_buffer_size;
 
-  char *m_wback;
-  size_t m_wbacksize, m_wbackcur;
-
   bool m_fixed, m_flushable;
 
   wxStreamBase *m_stream;
@@ -251,6 +269,7 @@ class wxBufferedInputStream: public wxFilterInputStream {
   wxBufferedInputStream(wxInputStream& stream);
   ~wxBufferedInputStream();
 
+  char Peek();
   wxInputStream& Read(void *buffer, size_t size);
   
   // Position functions