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