extend GetAsBitmap with an optional subrect

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

diff --git a/include/wx/wfstream.h b/include/wx/wfstream.h
index d0d50a608cc129c12dfc3d5cfa1b8f50d6ba1a43..63c90a0961feb33cd0e1d774bdecd360cf28c817 100644 (file)
--- a/include/wx/wfstream.h
+++ b/include/wx/wfstream.h
@@ -12,10 +12,6 @@
 #ifndef _WX_WXFSTREAM_H__
 #define _WX_WXFSTREAM_H__
 
 #ifndef _WX_WXFSTREAM_H__
 #define _WX_WXFSTREAM_H__
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma interface "wfstream.h"
-#endif
-

 #include "wx/defs.h"
 
 #if wxUSE_STREAMS
 #include "wx/defs.h"
 
 #if wxUSE_STREAMS


@@ -38,11 +34,12 @@ public:
     wxFileInputStream(const wxString& ifileName);
     wxFileInputStream(wxFile& file);
     wxFileInputStream(int fd);
     wxFileInputStream(const wxString& ifileName);
     wxFileInputStream(wxFile& file);
     wxFileInputStream(int fd);

-    ~wxFileInputStream();
+    virtual ~wxFileInputStream();

 
     wxFileOffset GetLength() const;
 
 
     wxFileOffset GetLength() const;
 

-    bool Ok() const { return m_file->IsOpened(); }
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const { return (wxStreamBase::IsOk() && m_file->IsOpened()); }

     bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected:
     bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected:


@@ -71,7 +68,8 @@ public:
     bool Close() { return m_file_destroy ? m_file->Close() : true; }
     wxFileOffset GetLength() const;
 
     bool Close() { return m_file_destroy ? m_file->Close() : true; }
     wxFileOffset GetLength() const;
 

-    bool Ok() const { return m_file->IsOpened(); }
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const { return (wxStreamBase::IsOk() && m_file->IsOpened()); }

     bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected:
     bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected:


@@ -88,6 +86,31 @@ protected:
     DECLARE_NO_COPY_CLASS(wxFileOutputStream)
 };
 
     DECLARE_NO_COPY_CLASS(wxFileOutputStream)
 };
 

+class WXDLLIMPEXP_BASE wxTempFileOutputStream : public wxOutputStream
+{
+public:
+    wxTempFileOutputStream(const wxString& fileName);
+    virtual ~wxTempFileOutputStream();
+
+    bool Close() { return Commit(); }
+    virtual bool Commit() { return m_file->Commit(); }
+    virtual void Discard() { m_file->Discard(); }
+
+    wxFileOffset GetLength() const { return m_file->Length(); }
+    bool IsSeekable() const { return true; }
+
+protected:
+    size_t OnSysWrite(const void *buffer, size_t size);
+    wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode)
+        { return m_file->Seek(pos, mode); }
+    wxFileOffset OnSysTell() const { return m_file->Tell(); }
+
+private:
+    wxTempFile *m_file;
+
+    DECLARE_NO_COPY_CLASS(wxTempFileOutputStream)
+};
+

 class WXDLLIMPEXP_BASE wxFileStream : public wxFileInputStream,
                                       public wxFileOutputStream
 {
 class WXDLLIMPEXP_BASE wxFileStream : public wxFileInputStream,
                                       public wxFileOutputStream
 {


@@ -112,11 +135,12 @@ public:
     wxFFileInputStream(const wxString& fileName, const wxChar *mode = _T("rb"));
     wxFFileInputStream(wxFFile& file);
     wxFFileInputStream(FILE *file);
     wxFFileInputStream(const wxString& fileName, const wxChar *mode = _T("rb"));
     wxFFileInputStream(wxFFile& file);
     wxFFileInputStream(FILE *file);

-    ~wxFFileInputStream();
+    virtual ~wxFFileInputStream();

 
     wxFileOffset GetLength() const;
 
 
     wxFileOffset GetLength() const;
 

-    bool Ok() const { return m_file->IsOpened(); }
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const { return (wxStreamBase::IsOk() && m_file->IsOpened()); }

     bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected:
     bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected:


@@ -145,7 +169,8 @@ public:
     bool Close() { return m_file_destroy ? m_file->Close() : true; }
     wxFileOffset GetLength() const;
 
     bool Close() { return m_file_destroy ? m_file->Close() : true; }
     wxFileOffset GetLength() const;
 

-    bool Ok() const { return m_file->IsOpened(); }
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const { return (wxStreamBase::IsOk() && m_file->IsOpened()); }

     bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected:
     bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected: