/////////////////////////////////////////////////////////////////////////////
// Name: imagbmp.h
-// Purpose: wxImage BMP handler
-// Author: Robert Roebling
+// Purpose: wxImage BMP, ICO and CUR handlers
+// Author: Robert Roebling, Chris Elliott
// RCS-ID: $Id$
-// Copyright: (c) Robert Roebling
+// Copyright: (c) Robert Roebling, Chris Elliott
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_IMAGBMP_H_
#define _WX_IMAGBMP_H_
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "imagbmp.h"
#endif
#include "wx/image.h"
-//-----------------------------------------------------------------------------
+// defines for saving the BMP file in different formats, Bits Per Pixel
+// USE: wximage.SetOption( wxIMAGE_OPTION_BMP_FORMAT, wxBMP_xBPP );
+#define wxIMAGE_OPTION_BMP_FORMAT wxString(_T("wxBMP_FORMAT"))
+
+// These two options are filled in upon reading CUR file and can (should) be
+// specified when saving a CUR file - they define the hotspot of the cursor:
+#define wxIMAGE_OPTION_CUR_HOTSPOT_X wxT("HotSpotX")
+#define wxIMAGE_OPTION_CUR_HOTSPOT_Y wxT("HotSpotY")
+
+#if WXWIN_COMPATIBILITY_2_4
+ // Do not use these macros, they are deprecated
+ #define wxBMP_FORMAT wxIMAGE_OPTION_BMP_FORMAT
+ #define wxCUR_HOTSPOT_X wxIMAGE_OPTION_CUR_HOTSPOT_X
+ #define wxCUR_HOTSPOT_Y wxIMAGE_OPTION_CUR_HOTSPOT_Y
+#endif
+
+
+enum
+{
+ wxBMP_24BPP = 24, // default, do not need to set
+ //wxBMP_16BPP = 16, // wxQuantize can only do 236 colors?
+ wxBMP_8BPP = 8, // 8bpp, quantized colors
+ wxBMP_8BPP_GREY = 9, // 8bpp, rgb averaged to greys
+ wxBMP_8BPP_GRAY = wxBMP_8BPP_GREY,
+ wxBMP_8BPP_RED = 10, // 8bpp, red used as greyscale
+ wxBMP_8BPP_PALETTE = 11, // 8bpp, use the wxImage's palette
+ wxBMP_4BPP = 4, // 4bpp, quantized colors
+ wxBMP_1BPP = 1, // 1bpp, quantized "colors"
+ wxBMP_1BPP_BW = 2 // 1bpp, black & white from red
+};
+
+// ----------------------------------------------------------------------------
// wxBMPHandler
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxBMPHandler : public wxImageHandler
+{
+public:
+ wxBMPHandler()
+ {
+ m_name = _T("Windows bitmap file");
+ m_extension = _T("bmp");
+ m_type = wxBITMAP_TYPE_BMP;
+ m_mime = _T("image/x-bmp");
+ };
+
+#if wxUSE_STREAMS
+ virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=true );
+ virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=true, int index=-1 );
+ virtual bool DoCanRead( wxInputStream& stream );
+
+protected:
+ bool SaveDib(wxImage *image, wxOutputStream& stream, bool verbose,
+ bool IsBmp, bool IsMask);
+ bool DoLoadDib(wxImage *image, int width, int height, int bpp, int ncolors,
+ int comp, wxFileOffset bmpOffset, wxInputStream& stream,
+ bool verbose, bool IsBmp, bool hasPalette);
+ bool LoadDib(wxImage *image, wxInputStream& stream, bool verbose, bool IsBmp);
+#endif // wxUSE_STREAMS
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxBMPHandler)
+};
+
+#if wxUSE_ICO_CUR
+// ----------------------------------------------------------------------------
+// wxICOHandler
+// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxBMPHandler: public wxImageHandler
+class WXDLLEXPORT wxICOHandler : public wxBMPHandler
{
- DECLARE_DYNAMIC_CLASS(wxBMPHandler)
+public:
+ wxICOHandler()
+ {
+ m_name = _T("Windows icon file");
+ m_extension = _T("ico");
+ m_type = wxBITMAP_TYPE_ICO;
+ m_mime = _T("image/x-ico");
+ };
+
+#if wxUSE_STREAMS
+ virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=true );
+ virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=true, int index=-1 );
+ virtual bool DoLoadFile( wxImage *image, wxInputStream& stream, bool verbose, int index );
+ virtual bool DoCanRead( wxInputStream& stream );
+ virtual int GetImageCount( wxInputStream& stream );
+#endif // wxUSE_STREAMS
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxICOHandler)
+};
+
+// ----------------------------------------------------------------------------
+// wxCURHandler
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxCURHandler : public wxICOHandler
+{
public:
+ wxCURHandler()
+ {
+ m_name = _T("Windows cursor file");
+ m_extension = _T("cur");
+ m_type = wxBITMAP_TYPE_CUR;
+ m_mime = _T("image/x-cur");
+ };
- inline wxBMPHandler()
- {
- m_name = "BMP file";
- m_extension = "bmp";
- m_type = wxBITMAP_TYPE_BMP;
- m_mime = "image/bmp";
- };
+ // VS: This handler's meat is implemented inside wxICOHandler (the two
+ // formats are almost identical), but we hide this fact at
+ // the API level, since it is a mere implementation detail.
#if wxUSE_STREAMS
- virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
- virtual bool DoCanRead( wxInputStream& stream );
-#endif
+ virtual bool DoCanRead( wxInputStream& stream );
+#endif // wxUSE_STREAMS
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxCURHandler)
};
+// ----------------------------------------------------------------------------
+// wxANIHandler
+// ----------------------------------------------------------------------------
+class WXDLLEXPORT wxANIHandler : public wxCURHandler
+{
+public:
+ wxANIHandler()
+ {
+ m_name = _T("Windows animated cursor file");
+ m_extension = _T("ani");
+ m_type = wxBITMAP_TYPE_ANI;
+ m_mime = _T("image/x-ani");
+ };
-#endif
- // _WX_IMAGBMP_H_
+#if wxUSE_STREAMS
+ virtual bool SaveFile( wxImage *WXUNUSED(image), wxOutputStream& WXUNUSED(stream), bool WXUNUSED(verbose=true) ){return false ;};
+ virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=true, int index=-1 );
+ virtual bool DoCanRead( wxInputStream& stream );
+ virtual int GetImageCount( wxInputStream& stream );
+#endif // wxUSE_STREAMS
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxANIHandler)
+};
+
+#endif // wxUSE_ICO_CUR
+#endif // _WX_IMAGBMP_H_
projects / wxWidgets.git / blobdiff