// Author: Robert Roebling
// RCS-ID: $Id$
// Copyright: (c) Robert Roebling
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_IMAGE_H_
#include "wx/object.h"
#include "wx/string.h"
#include "wx/gdicmn.h"
+#include "wx/bitmap.h"
+
+#if wxUSE_STREAMS
+# include "wx/stream.h"
+#endif
//-----------------------------------------------------------------------------
// classes
//-----------------------------------------------------------------------------
class WXDLLEXPORT wxImageHandler;
+#if wxUSE_LIBPNG
class WXDLLEXPORT wxPNGHandler;
+#endif
+#if wxUSE_LIBJPEG
+class WXDLLEXPORT wxJPEGHandler;
+#endif
+#if wxUSE_LIBTIFF
+class WXDLLEXPORT wxTIFFHandler;
+#endif
class WXDLLEXPORT wxBMPHandler;
+#if wxUSE_GIF
+class WXDLLEXPORT wxGIFHandler;
+#endif
+#if wxUSE_PNM
+class WXDLLEXPORT wxPNMHandler;
+#endif
+#if wxUSE_PCX
+class WXDLLEXPORT wxPCXHandler;
+#endif
class WXDLLEXPORT wxImage;
-class WXDLLEXPORT wxBitmap;
-
//-----------------------------------------------------------------------------
// wxImageHandler
//-----------------------------------------------------------------------------
class WXDLLEXPORT wxImageHandler: public wxObject
{
- DECLARE_DYNAMIC_CLASS(wxImageHandler)
-
+ DECLARE_CLASS(wxImageHandler)
+
public:
wxImageHandler() { m_name = ""; m_extension = ""; m_type = 0; }
- virtual bool LoadFile( wxImage *image, const wxString& name );
- virtual bool SaveFile( wxImage *image, const wxString& name );
-
- 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 wxString GetName() const { return m_name; }
- inline wxString GetExtension() const { return m_extension; }
- inline long GetType() const { return m_type; }
+#if wxUSE_STREAMS
+ 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
+
+ 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;
long m_type;
-
+
};
//-----------------------------------------------------------------------------
// 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";
};
- virtual bool LoadFile( wxImage *image, const wxString& name );
- virtual bool SaveFile( wxImage *image, const wxString& name );
+#if wxUSE_STREAMS
+ virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
+ virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
+ virtual bool DoCanRead( wxInputStream& stream );
+#endif
};
+#endif
+
+//-----------------------------------------------------------------------------
+// wxJPEGHandler
+//-----------------------------------------------------------------------------
+
+#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, bool verbose=TRUE, int index=0 );
+ virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
+ virtual bool DoCanRead( wxInputStream& stream );
+#endif
+};
+#endif
+
+//-----------------------------------------------------------------------------
+// wxTIFFHandler
+//-----------------------------------------------------------------------------
+
+#if wxUSE_LIBTIFF
+class WXDLLEXPORT wxTIFFHandler: public wxImageHandler
+{
+ DECLARE_DYNAMIC_CLASS(wxTIFFHandler)
+
+public:
+
+ inline wxTIFFHandler()
+ {
+ m_name = "TIFF file";
+ m_extension = "tif";
+ m_type = wxBITMAP_TYPE_TIF;
+ m_mime = "image/tiff";
+ };
+
+#if wxUSE_STREAMS
+ virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
+ virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
+ virtual bool DoCanRead( wxInputStream& stream );
+ virtual int GetImageCount( wxInputStream& stream );
+#endif
+};
+#endif
//-----------------------------------------------------------------------------
// wxBMPHandler
class WXDLLEXPORT wxBMPHandler: public wxImageHandler
{
DECLARE_DYNAMIC_CLASS(wxBMPHandler)
-
+
public:
inline wxBMPHandler()
m_name = "BMP file";
m_extension = "bmp";
m_type = wxBITMAP_TYPE_BMP;
+ m_mime = "image/bmp";
};
- virtual bool LoadFile( wxImage *image, const wxString& name );
+#if wxUSE_STREAMS
+ virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
+ virtual bool DoCanRead( wxInputStream& stream );
+#endif
};
+//-----------------------------------------------------------------------------
+// wxGIFHandler
+//-----------------------------------------------------------------------------
+
+#if wxUSE_GIF
+
+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, bool verbose=TRUE, int index=0 );
+ virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
+ virtual bool DoCanRead( wxInputStream& stream );
+#endif
+};
+#endif
+
+//-----------------------------------------------------------------------------
+// wxPNMHandler
+//-----------------------------------------------------------------------------
+
+#if wxUSE_PNM
+class WXDLLEXPORT wxPNMHandler : public wxImageHandler
+{
+ DECLARE_DYNAMIC_CLASS(wxPNMHandler)
+
+public:
+
+ inline wxPNMHandler()
+ {
+ m_name = "PNM file";
+ m_extension = "pnm";
+ m_type = wxBITMAP_TYPE_PNM;
+ m_mime = "image/pnm";
+ };
+
+#if wxUSE_STREAMS
+ virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
+ virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
+ virtual bool DoCanRead( wxInputStream& stream );
+#endif
+};
+#endif
+
+//-----------------------------------------------------------------------------
+// wxPCXHandler
+//-----------------------------------------------------------------------------
+
+#if wxUSE_PCX
+class WXDLLEXPORT wxPCXHandler : public wxImageHandler
+{
+ DECLARE_DYNAMIC_CLASS(wxPCXHandler)
+
+public:
+
+ inline wxPCXHandler()
+ {
+ m_name = "PCX file";
+ m_extension = "pcx";
+ m_type = wxBITMAP_TYPE_PCX;
+ m_mime = "image/pcx";
+ };
+
+#if wxUSE_STREAMS
+ virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
+ virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
+ virtual bool DoCanRead( wxInputStream& stream );
+#endif // wxUSE_STREAMS
+};
+#endif // wxUSE_PCX
+
//-----------------------------------------------------------------------------
// wxImage
//-----------------------------------------------------------------------------
+
+// GRG: Dic/99
+class WXDLLEXPORT wxHNode
+{
+public:
+ unsigned long index;
+ unsigned long value;
+};
+
+
class WXDLLEXPORT wxImage: public wxObject
{
DECLARE_DYNAMIC_CLASS(wxImage)
wxImage();
wxImage( int width, int height );
- wxImage( const wxString& name, 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 );
+
wxImage( const wxImage& image );
wxImage( const wxImage* image );
-
- // these functions get implemented in /src/(platform)/bitmap.cpp
+
+ // these functions get implemented in /src/(platform)/bitmap.cpp
wxImage( const wxBitmap &bitmap );
+ operator wxBitmap() const { return ConvertToBitmap(); }
wxBitmap ConvertToBitmap() const;
void Create( int width, int height );
void Destroy();
-
- wxImage Scale( int width, int height );
-
- virtual bool LoadFile( const wxString& name, long type = wxBITMAP_TYPE_PNG );
+
+ // 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;
+
+ // rescales the image in place
+ void Rescale( int width, int height ) { *this = Scale(width, height); }
+
+ // these routines are slow but safe
+ void SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b );
+ unsigned char GetRed( int x, int y );
+ unsigned char GetGreen( int x, int y );
+ unsigned char GetBlue( int x, int y );
+
+ 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
+ static bool CanRead( wxInputStream& stream );
+ virtual bool LoadFile( wxInputStream& stream, long type = wxBITMAP_TYPE_ANY );
+ virtual bool LoadFile( wxInputStream& stream, const wxString& mimetype );
+#endif
+
virtual bool SaveFile( const wxString& name, int type );
+ virtual bool SaveFile( const wxString& name, const wxString& mimetype );
+
+#if wxUSE_STREAMS
+ virtual bool SaveFile( wxOutputStream& stream, int type );
+ virtual bool SaveFile( wxOutputStream& stream, const wxString& mimetype );
+#endif
bool Ok() const;
int GetWidth() const;
char unsigned *GetData() const;
void SetData( char unsigned *data );
-
+
void SetMaskColour( unsigned char r, unsigned char g, unsigned char b );
unsigned char GetMaskRed() const;
unsigned char GetMaskGreen() const;
void SetMask( bool mask = TRUE );
bool HasMask() const;
- inline wxImage& operator = (const wxImage& image)
- { if (*this == image) return (*this); Ref(image); return *this; }
- inline bool operator == (const wxImage& image)
+ wxImage& operator = (const wxImage& image)
+ {
+ if ( (*this) != image )
+ Ref(image);
+ return *this;
+ }
+
+ bool operator == (const wxImage& image)
{ return m_refData == image.m_refData; }
- inline bool operator != (const wxImage& image)
+ bool operator != (const wxImage& image)
{ return m_refData != image.m_refData; }
- static inline wxList& GetHandlers() { return sm_handlers; }
+ static wxList& GetHandlers() { return sm_handlers; }
static void AddHandler( wxImageHandler *handler );
static void InsertHandler( wxImageHandler *handler );
static bool RemoveHandler( const wxString& name );
static wxImageHandler *FindHandler( const wxString& name );
static wxImageHandler *FindHandler( const wxString& extension, long imageType );
static wxImageHandler *FindHandler( long imageType );
-
+ static wxImageHandler *FindHandlerMime( const wxString& mimetype );
+
static void CleanUpHandlers();
static void InitStandardHandlers();
+ // GRG: Dic/99
+ unsigned long ComputeHistogram( wxHashTable &h );
+
+
protected:
static wxList sm_handlers;
-
+
};
+extern void WXDLLEXPORT wxInitAllImageHandlers();
+
#endif
// _WX_IMAGE_H_
+
projects / wxWidgets.git / blobdiff