src/palmos/enhmeta.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/palmos/enhmeta.cpp
   3 // Purpose:     implementation of wxEnhMetaFileXXX classes
   4 // Author:      William Osborne - minimal working wxPalmOS port
   5 // Modified by:
   6 // Created:     10.13.04
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) William Osborne
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "enhmeta.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #if wxUSE_ENH_METAFILE
  32
  33 #ifndef WX_PRECOMP
  34     #include "wx/string.h"
  35     #include "wx/log.h"
  36 #endif //WX_PRECOMP
  37
  38 #include "wx/metafile.h"
  39 #include "wx/clipbrd.h"
  40
  41 #include "wx/palmos/private.h"
  42
  43 // ----------------------------------------------------------------------------
  44 // wxWin macros
  45 // ----------------------------------------------------------------------------
  46
  47 IMPLEMENT_DYNAMIC_CLASS(wxEnhMetaFile, wxObject)
  48 IMPLEMENT_ABSTRACT_CLASS(wxEnhMetaFileDC, wxDC)
  49
  50 // ----------------------------------------------------------------------------
  51 // macros
  52 // ----------------------------------------------------------------------------
  53
  54 #define GetEMF()            ((HENHMETAFILE)m_hMF)
  55 #define GetEMFOf(mf)        ((HENHMETAFILE)((mf).m_hMF))
  56
  57 // ----------------------------------------------------------------------------
  58 // private functions
  59 // ----------------------------------------------------------------------------
  60
  61 // we must pass NULL if the string is empty to metafile functions
  62 static inline const wxChar *GetMetaFileName(const wxString& fn)
  63     { return !fn ? (wxChar *)NULL : fn.c_str(); }
  64
  65 // ============================================================================
  66 // implementation
  67 // ============================================================================
  68
  69 // ----------------------------------------------------------------------------
  70 // wxEnhMetaFile
  71 // ----------------------------------------------------------------------------
  72
  73 void wxEnhMetaFile::Assign(const wxEnhMetaFile& mf)
  74 {
  75 }
  76
  77 void wxEnhMetaFile::Free()
  78 {
  79 }
  80
  81 bool wxEnhMetaFile::Play(wxDC *dc, wxRect *rectBound)
  82 {
  83     return false;
  84 }
  85
  86 wxSize wxEnhMetaFile::GetSize() const
  87 {
  88     wxSize size = wxDefaultSize;
  89
  90     return size;
  91 }
  92
  93 bool wxEnhMetaFile::SetClipboard(int WXUNUSED(width), int WXUNUSED(height))
  94 {
  95     return false;
  96 }
  97
  98 // ----------------------------------------------------------------------------
  99 // wxEnhMetaFileDC
 100 // ----------------------------------------------------------------------------
 101
 102 wxEnhMetaFileDC::wxEnhMetaFileDC(const wxString& filename,
 103                                  int width, int height,
 104                                  const wxString& description)
 105 {
 106 }
 107
 108 wxEnhMetaFile *wxEnhMetaFileDC::Close()
 109 {
 110     return NULL;
 111 }
 112
 113 wxEnhMetaFileDC::~wxEnhMetaFileDC()
 114 {
 115 }
 116
 117 #if wxUSE_DRAG_AND_DROP
 118
 119 // ----------------------------------------------------------------------------
 120 // wxEnhMetaFileDataObject
 121 // ----------------------------------------------------------------------------
 122
 123 wxDataFormat
 124 wxEnhMetaFileDataObject::GetPreferredFormat(Direction WXUNUSED(dir)) const
 125 {
 126     return wxDF_ENHMETAFILE;
 127 }
 128
 129 size_t wxEnhMetaFileDataObject::GetFormatCount(Direction WXUNUSED(dir)) const
 130 {
 131     // wxDF_ENHMETAFILE and wxDF_METAFILE
 132     return 2;
 133 }
 134
 135 void wxEnhMetaFileDataObject::GetAllFormats(wxDataFormat *formats,
 136                                             Direction WXUNUSED(dir)) const
 137 {
 138 }
 139
 140 size_t wxEnhMetaFileDataObject::GetDataSize(const wxDataFormat& format) const
 141 {
 142     return 0u;
 143 }
 144
 145 bool wxEnhMetaFileDataObject::GetDataHere(const wxDataFormat& format, void *buf) const
 146 {
 147     return false;
 148 }
 149
 150 bool wxEnhMetaFileDataObject::SetData(const wxDataFormat& format,
 151                                       size_t WXUNUSED(len),
 152                                       const void *buf)
 153 {
 154     return false;
 155 }
 156
 157 // ----------------------------------------------------------------------------
 158 // wxEnhMetaFileSimpleDataObject
 159 // ----------------------------------------------------------------------------
 160
 161 size_t wxEnhMetaFileSimpleDataObject::GetDataSize() const
 162 {
 163     return 0u;
 164 }
 165
 166 bool wxEnhMetaFileSimpleDataObject::GetDataHere(void *buf) const
 167 {
 168     return false;
 169 }
 170
 171 bool wxEnhMetaFileSimpleDataObject::SetData(size_t WXUNUSED(len),
 172                                             const void *buf)
 173 {
 174     return false;
 175 }
 176
 177
 178 #endif // wxUSE_DRAG_AND_DROP
 179
 180 #endif // wxUSE_ENH_METAFILE