utils/wxPython/src/image.i

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        image.i
   3 // Purpose:     SWIG interface file for wxImage, wxImageHandler, etc.
   4 //
   5 // Author:      Robin Dunn
   6 //
   7 // Created:     28-Apr-1999
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 1998 by Total Control Software
  10 // Licence:     wxWindows license
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13
  14 %module image
  15
  16 %{
  17 #include "helpers.h"
  18 #include <wx/image.h>
  19 %}
  20
  21 //----------------------------------------------------------------------
  22
  23 %include typemaps.i
  24 %include my_typemaps.i
  25
  26 // Import some definitions of other classes, etc.
  27 %import _defs.i
  28 %import misc.i
  29 %import gdi.i
  30
  31 //---------------------------------------------------------------------------
  32
  33 class wxImageHandler {
  34 public:
  35     // wxImageHandler();    Abstract Base Class
  36     wxString GetName();
  37     wxString GetExtension();
  38     long GetType();
  39     wxString GetMimeType();
  40
  41     //bool LoadFile(wxImage* image, wxInputStream& stream);
  42     //bool SaveFile(wxImage* image, wxOutputStream& stream);
  43
  44     void SetName(const wxString& name);
  45     void SetExtension(const wxString& extension);
  46     void SetType(long type);
  47     void SetMimeType(const wxString& mimetype);
  48 };
  49
  50 //---------------------------------------------------------------------------
  51
  52 class wxPNGHandler : public wxImageHandler {
  53 public:
  54     wxPNGHandler();
  55 };
  56
  57
  58 class wxJPEGHandler : public wxImageHandler {
  59 public:
  60     wxJPEGHandler();
  61 };
  62
  63
  64 class wxBMPHandler : public wxImageHandler {
  65 public:
  66     wxBMPHandler();
  67 };
  68
  69
  70 class wxGIFHandler : public wxImageHandler {
  71 public:
  72     wxGIFHandler();
  73 };
  74
  75 class wxPNMHandler : public wxImageHandler {
  76 public:
  77     wxPNMHandler();
  78 };
  79
  80 class wxPCXHandler : public wxImageHandler {
  81 public:
  82     wxPCXHandler();
  83 };
  84
  85 //---------------------------------------------------------------------------
  86
  87 class wxImage {
  88 public:
  89     wxImage( const wxString& name, long type = wxBITMAP_TYPE_PNG );
  90     ~wxImage();
  91
  92     wxBitmap ConvertToBitmap();
  93     void Create( int width, int height );
  94     void Destroy();
  95     wxImage Scale( int width, int height );
  96     void Rescale(int width, int height);
  97
  98     void SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b );
  99     unsigned char GetRed( int x, int y );
 100     unsigned char GetGreen( int x, int y );
 101     unsigned char GetBlue( int x, int y );
 102
 103     bool LoadFile( const wxString& name, long type = wxBITMAP_TYPE_PNG );
 104     %name(LoadMimeFile)bool LoadFile( const wxString& name, const wxString& mimetype );
 105
 106     bool SaveFile( const wxString& name, int type );
 107     %name(SaveMimeFile)bool SaveFile( const wxString& name, const wxString& mimetype );
 108
 109     bool Ok();
 110     int GetWidth();
 111     int GetHeight();
 112
 113     wxImage GetSubImage(const wxRect& rect);
 114
 115     //unsigned char *GetData();
 116     //void SetData( unsigned char *data );
 117
 118     %addmethods {
 119         PyObject* GetData() {
 120             unsigned char* data = self->GetData();
 121             int len = self->GetWidth() * self->GetHeight() * 3;
 122             return PyString_FromStringAndSize((char*)data, len);
 123         }
 124
 125         void SetData(PyObject* data) {
 126             unsigned char* dataPtr;
 127
 128             if (! PyString_Check(data)) {
 129                 PyErr_SetString(PyExc_TypeError, "Expected string object");
 130                 return /* NULL */ ;
 131             }
 132
 133             size_t len = self->GetWidth() * self->GetHeight() * 3;
 134             dataPtr = new unsigned char[len];
 135             memcpy(dataPtr, PyString_AsString(data), len);
 136             self->SetData(dataPtr);
 137         }
 138     }
 139
 140     void SetMaskColour( unsigned char r, unsigned char g, unsigned char b );
 141     unsigned char GetMaskRed();
 142     unsigned char GetMaskGreen();
 143     unsigned char GetMaskBlue();
 144     void SetMask( bool mask = TRUE );
 145     bool HasMask();
 146
 147 };
 148
 149 // Alternate constructors
 150 %new wxImage* wxNullImage();
 151 %new wxImage* wxEmptyImage(int width, int height);
 152 %new wxImage* wxImageFromMime(const wxString& name, const wxString& mimetype);
 153 %new wxImage* wxImageFromBitmap(const wxBitmap &bitmap);
 154 %{
 155     wxImage* wxNullImage() {
 156         return new wxImage;
 157     }
 158
 159     wxImage* wxEmptyImage(int width, int height) {
 160         return new wxImage(width, height);
 161     }
 162
 163     wxImage* wxImageFromMime(const wxString& name, const wxString& mimetype) {
 164         return new wxImage(name, mimetype);
 165     }
 166
 167     wxImage* wxImageFromBitmap(const wxBitmap &bitmap) {
 168         return new wxImage(bitmap);
 169     }
 170 %}
 171
 172 // Static Methods
 173 void wxImage_AddHandler(wxImageHandler *handler);
 174 %{
 175     void wxImage_AddHandler(wxImageHandler *handler) {
 176         wxImage::AddHandler(handler);
 177     }
 178 %}
 179
 180 void wxInitAllImageHandlers();
 181
 182 //---------------------------------------------------------------------------
 183 //---------------------------------------------------------------------------