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1. wxImageHandler::DoCanRead() introduced to solve the virtual function name

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hiding problem
2. wxPNMHandler::CanRead() shouldn't use wxT() - should it?


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4005 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1999-10-15 16:59:32 +00:00
parent 52f13e4930
commit 995612e2ab
8 changed files with 129 additions and 144 deletions
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50
include/wx/image.h
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@@ -62,20 +62,22 @@ public:
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
virtual bool CanRead( wxInputStream& stream );
virtual bool CanRead( const wxString& name );
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;
@@ -105,10 +107,7 @@ public:
#if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
virtual bool CanRead( wxInputStream& stream );
private:
// hiding base class virtuals again!
inline bool CanRead( const wxString& name ) { return(wxImageHandler::CanRead(name)); };
virtual bool DoCanRead( wxInputStream& stream );
#endif
};
#endif
@@ -135,10 +134,7 @@ public:
#if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
virtual bool CanRead( wxInputStream& stream );
private:
// hiding base class virtuals again!
inline bool CanRead( const wxString& name ) { return(wxImageHandler::CanRead(name)); };
virtual bool DoCanRead( wxInputStream& stream );
#endif
};
#endif
@@ -163,10 +159,7 @@ public:
#if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE );
virtual bool CanRead( wxInputStream& stream );
private:
// hiding base class virtuals again!
inline bool CanRead( const wxString& name ) { return(wxImageHandler::CanRead(name)); };
virtual bool DoCanRead( wxInputStream& stream );
#endif
};
@@ -193,10 +186,7 @@ public:
#if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
virtual bool CanRead( wxInputStream& stream );
private:
// hiding base class virtuals again!
inline bool CanRead( const wxString& name ) { return(wxImageHandler::CanRead(name)); };
virtual bool DoCanRead( wxInputStream& stream );
#endif
};
#endif
@@ -223,10 +213,7 @@ public:
#if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
virtual bool CanRead( wxInputStream& stream );
private:
// hiding base class virtuals again!
inline bool CanRead( const wxString& name ) { return(wxImageHandler::CanRead(name)); };
virtual bool DoCanRead( wxInputStream& stream );
#endif
};
#endif
@@ -253,8 +240,7 @@ public:
#if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
virtual bool CanRead( wxInputStream& stream );
#endif
virtual bool DoCanRead( wxInputStream& stream );
};
#endif

2
src/common/imagbmp.cpp
View File

@@ -401,7 +401,7 @@ bool wxBMPHandler::LoadFile( wxImage *image, wxInputStream& stream, bool WXUNUSE
return TRUE;
}
bool wxBMPHandler::CanRead( wxInputStream& stream )
bool wxBMPHandler::DoCanRead( wxInputStream& stream )
{
unsigned char hdr[2];

5
src/common/image.cpp
View File

@@ -642,11 +642,6 @@ bool wxImageHandler::SaveFile( wxImage *WXUNUSED(image), wxOutputStream& WXUNUSE
return FALSE;
}
bool wxImageHandler::CanRead( wxInputStream& WXUNUSED(stream) )
{
return FALSE;
}
bool wxImageHandler::CanRead( const wxString& name )
{
#if wxUSE_STREAMS

2
src/common/imaggif.cpp
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@@ -79,7 +79,7 @@ bool wxGIFHandler::SaveFile( wxImage * WXUNUSED(image),
return FALSE;
}
bool wxGIFHandler::CanRead( wxInputStream& stream )
bool wxGIFHandler::DoCanRead( wxInputStream& stream )
{
wxGIFDecoder *decod;
bool ok;

7
src/common/imagjpeg.cpp
View File

@@ -28,8 +28,9 @@
#include "wx/debug.h"
#include "wx/log.h"
#include "wx/app.h"
extern "C" {
#include "jpeglib.h"
extern "C"
{
#include "jpeglib.h"
}
#include "wx/filefn.h"
#include "wx/wfstream.h"
@@ -311,7 +312,7 @@ bool wxJPEGHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbo
}
bool wxJPEGHandler::CanRead( wxInputStream& stream )
bool wxJPEGHandler::DoCanRead( wxInputStream& stream )
{
unsigned char hdr[2];

2
src/common/imagpcx.cpp
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@@ -263,7 +263,7 @@ bool wxPCXHandler::SaveFile( wxImage *WXUNUSED(image), wxOutputStream& WXUNUSED(
return FALSE;
}
bool wxPCXHandler::CanRead( wxInputStream& stream )
bool wxPCXHandler::DoCanRead( wxInputStream& stream )
{
unsigned char c;
off_t pos;

2
src/common/imagpng.cpp
View File

@@ -347,7 +347,7 @@ bool wxPNGHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbos
return TRUE;
}
bool wxPNGHandler::CanRead( wxInputStream& stream )
bool wxPNGHandler::DoCanRead( wxInputStream& stream )
{
unsigned char hdr[4];

11
src/common/imagpnm.cpp
View File

@@ -137,19 +137,22 @@ bool wxPNMHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool WXUNUS
return (stream.LastError()==wxStream_NOERROR);
}
bool wxPNMHandler::CanRead( wxInputStream& stream )
bool wxPNMHandler::DoCanRead( wxInputStream& stream )
{
off_t pos=stream.TellI();
off_t pos = stream.TellI();
Skip_Comment(stream);
if (stream.GetC()==wxT('P'))
if ( stream.GetC() == 'P' )
{
switch (stream.GetC())
{
case wxT('3'): case wxT('6'):
case '3':
case '6':
stream.SeekI(pos);
return TRUE;
}
}
stream.SeekI(pos);
return FALSE;