wxImageBrowserWdg Class Reference

Widget class that shows thumbnails images. More...

#include <wxImageBrowserWdg.h>

List of all members.

Public Member Functions

 wxImageBrowserWdg (wxWindow *parent, wxWindowID id=-1, int sx=100, int sy=100, int gap=10, const wxPoint &pos=wxDefaultPosition, const wxSize &size=wxDefaultSize, long style=wxScrolledWindowStyle, const wxString &name=wxPanelNameStr)
void SetVolume (unsigned short ***volume, wxArrayString &names, int width, int height, int depth, int min, int max)
void SetScaleX (int sx)
void SetScaleY (int sy)
void SetGap (int gap)
int GetScaleX ()
int GetScaleY ()
int GetGap ()
int GetFirst ()
int GetLast ()
void GetSizeParameters (int *n, int *c, int *r)
void OnDraw (wxDC &dc)
void OnSize (wxSizeEvent &event)
void OnMouseLeftClick (wxMouseEvent &event)
void OnMouseRightClick (wxMouseEvent &event)

Private Member Functions

int GetIndexClicked (wxMouseEvent &event)
 DECLARE_EVENT_TABLE ()

Private Attributes

wxImageList _ima_list
wxArrayString _nrs_list
int _sx
int _sy
int _gap
int _first_selected
int _last_selected

Detailed Description

Widget class that shows thumbnails images.

Definition at line 13 of file wxImageBrowserWdg.h.

Constructor & Destructor Documentation

wxImageBrowserWdg::wxImageBrowserWdg ( wxWindow *  parent,
wxWindowID  id = -1,
int  sx = 100,
int  sy = 100,
int  gap = 10,
const wxPoint &  pos = wxDefaultPosition,
const wxSize &  size = wxDefaultSize,
long  style = wxScrolledWindowStyle,
const wxString &  name = wxPanelNameStr 
)

Definition at line 14 of file wxImageBrowserWdg.cxx.

00025     : wxScrolledWindow( parent, id, pos, size, style, name )
00026 {
00027     _sx = sx;
00028     _sy = sy;
00029     _gap = gap;
00030     _first_selected = -1;
00031     _last_selected = -1;
00032     _ima_list.RemoveAll( );
00033     _ima_list.Create( _sx, _sy );
00034     _nrs_list.Clear( );
00035 
00036 }

Member Function Documentation

wxImageBrowserWdg::DECLARE_EVENT_TABLE (  )  [private]
int wxImageBrowserWdg::GetFirst (  ) 

Definition at line 132 of file wxImageBrowserWdg.cxx.

References _first_selected, _last_selected, and GTM_MIN.

00133 {
00134     return( GTM_MIN( _first_selected, _last_selected ) );
00135 
00136 }

int wxImageBrowserWdg::GetGap (  ) 

Definition at line 126 of file wxImageBrowserWdg.cxx.

References _gap.

00127 {
00128     return( _gap );
00129 
00130 }

int wxImageBrowserWdg::GetIndexClicked ( wxMouseEvent &  event  )  [private]

Definition at line 206 of file wxImageBrowserWdg.cxx.

References _gap, _sx, _sy, and GetSizeParameters().

Referenced by OnMouseLeftClick(), and OnMouseRightClick().

00207 {
00208     double re;
00209     int x, y, n, c, r, i;
00210     wxClientDC dc( this );
00211     this->PrepareDC( dc );
00212     wxPoint pos = event.GetLogicalPosition( dc );
00213 
00214     this->GetSizeParameters( &n, &c, &r );
00215 
00216     // Image index calculation (Help!!, Mr. wizard!)
00217     x = -1;
00218     re = ( double )( pos.x ) / ( double )( _gap + _sx );
00219     if( ( re - floor( re ) ) >= ( ( double )( _gap ) / ( double )( _gap + _sx ) ) ) x = ( int )floor( re );
00220     x = ( x >= 0 && x < c )? x: -1;
00221     y = -1;
00222     re = ( double )( pos.y ) / ( double )( _gap + _sy );
00223     if( ( re - floor( re ) ) >= ( ( double )( _gap ) / ( double )( _gap + _sy ) ) ) y = ( int )floor( re );
00224     y = ( y >= 0 && y < r )? y: -1;
00225     i = ( x != -1 && y != -1 )? x + ( y * c ): -1;
00226     return( ( i < n )? i: -1 );
00227 
00228 }

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int wxImageBrowserWdg::GetLast (  ) 

Definition at line 138 of file wxImageBrowserWdg.cxx.

References _first_selected, _last_selected, and GTM_MAX.

00139 {
00140     return( GTM_MAX( _first_selected, _last_selected ) );
00141 
00142 }

int wxImageBrowserWdg::GetScaleX (  ) 

Definition at line 114 of file wxImageBrowserWdg.cxx.

References _sx.

00115 {
00116     return( _sx );
00117 
00118 }

int wxImageBrowserWdg::GetScaleY (  ) 

Definition at line 120 of file wxImageBrowserWdg.cxx.

References _sy.

00121 {
00122     return( _sy );
00123 
00124 }

void wxImageBrowserWdg::GetSizeParameters ( int *  n,
int *  c,
int *  r 
)

Definition at line 144 of file wxImageBrowserWdg.cxx.

References _gap, _ima_list, and _sx.

Referenced by GetIndexClicked(), OnDraw(), and OnSize().

00145 {
00146     wxSize sz = this->GetClientSize( );
00147 
00148     *n = _ima_list.GetImageCount( );
00149     *c = ( int )floor( ( double )( sz.GetWidth( ) ) / ( double )( _gap + _sx ) );
00150     *c = ( *c <= 0 )? 1: *c;
00151     *r = ( int )ceil( ( double )( *n ) / ( double )( *c ) );
00152 
00153 }

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void wxImageBrowserWdg::OnDraw ( wxDC &  dc  ) 

Definition at line 155 of file wxImageBrowserWdg.cxx.

References _first_selected, _gap, _ima_list, _last_selected, _nrs_list, _sx, _sy, and GetSizeParameters().

00156 {
00157     int r, c, i, x, y, n, rt;
00158     wxSize sz = this->GetClientSize( );
00159 
00160     dc.SetTextForeground( wxColour( 255, 255, 0 ) );
00161     dc.SetBrush( *wxTRANSPARENT_BRUSH );
00162 
00163     this->GetSizeParameters( &n, &c, &r );
00164     for( i = 0; i < n; i++ )
00165     {
00166         rt = ( int )floor( ( double )i / ( double )c );
00167         x = ( _sx * ( i % c ) ) + ( ( ( i % c ) + 1 ) * _gap );
00168         y = ( _sy * ( rt % r ) ) + ( ( ( rt % r ) + 1 ) * _gap );
00169         _ima_list.Draw( i, dc, x, y, wxIMAGELIST_DRAW_NORMAL, true );
00170         dc.DrawText( _nrs_list[ i ], x, y );
00171         if( _first_selected == i && _last_selected != i )
00172         {
00173             dc.SetPen( *wxRED_PEN );
00174             dc.DrawRectangle( x - ( _gap / 2 ), y - ( _gap / 2 ), _sx + _gap, _sy + _gap );
00175 
00176         }
00177         else if( _first_selected != i && _last_selected == i )
00178         {
00179             dc.SetPen( *wxGREEN_PEN );
00180             dc.DrawRectangle( x - ( _gap / 2 ), y - ( _gap / 2 ), _sx + _gap, _sy + _gap );
00181 
00182         }
00183         else if( _first_selected == i && _last_selected == i )
00184         {
00185             dc.SetPen( *wxCYAN_PEN );
00186             dc.DrawRectangle( x - ( _gap / 2 ), y - ( _gap / 2 ), _sx + _gap, _sy + _gap );
00187 
00188         } // fi
00189 
00190     } // rof
00191 
00192 }

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void wxImageBrowserWdg::OnMouseLeftClick ( wxMouseEvent &  event  ) 

Definition at line 230 of file wxImageBrowserWdg.cxx.

References _first_selected, and GetIndexClicked().

00231 {
00232     // Select!
00233     _first_selected = this->GetIndexClicked( event );
00234 
00235     // Drawing
00236     this->Refresh( );
00237 
00238 }

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void wxImageBrowserWdg::OnMouseRightClick ( wxMouseEvent &  event  ) 

Definition at line 240 of file wxImageBrowserWdg.cxx.

References _last_selected, and GetIndexClicked().

00241 {
00242     // Select!
00243     _last_selected = this->GetIndexClicked( event );
00244 
00245     // Drawing
00246     this->Refresh( );
00247 
00248 }

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void wxImageBrowserWdg::OnSize ( wxSizeEvent &  event  ) 

Definition at line 194 of file wxImageBrowserWdg.cxx.

References _gap, _sx, _sy, and GetSizeParameters().

Referenced by SetVolume().

00195 {
00196     int r, c, n;
00197     wxSize sz = this->GetClientSize( );
00198 
00199     this->GetSizeParameters( &n, &c, &r );
00200 
00201     // Scroll bars
00202     this->SetScrollbars( _sx + _gap, _sy + ( _gap * 2 ), c, r );
00203 
00204 }

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void wxImageBrowserWdg::SetGap ( int  gap  ) 

Definition at line 108 of file wxImageBrowserWdg.cxx.

References _gap.

00109 {
00110     _gap = gap;
00111 
00112 }

void wxImageBrowserWdg::SetScaleX ( int  sx  ) 

Definition at line 96 of file wxImageBrowserWdg.cxx.

References _sx.

00097 {
00098     _sx = sx;
00099 
00100 }

void wxImageBrowserWdg::SetScaleY ( int  sy  ) 

Definition at line 102 of file wxImageBrowserWdg.cxx.

References _sy.

00103 {
00104     _sy = sy;
00105 
00106 }

void wxImageBrowserWdg::SetVolume ( unsigned short ***  volume,
wxArrayString &  names,
int  width,
int  height,
int  depth,
int  min,
int  max 
)

Definition at line 38 of file wxImageBrowserWdg.cxx.

References _ima_list, _nrs_list, _sx, _sy, and OnSize().

00047 {
00048     wxImage tmpI;
00049     unsigned char value;
00050     unsigned char* data;  //pointeur sur mon image
00051 //    int i, j, k;
00052 
00053     tmpI.Create( width, height );
00054     _nrs_list = names;
00055 
00056     // Canvas creation
00057     _ima_list.RemoveAll( );
00058     _ima_list.Create( _sx, _sy );
00059 
00060     for( int k = 0; k < depth; k++ )
00061     {
00062 
00063       data = tmpI.GetData();
00064       data += 3*width*height;
00065 //      unsigned short** voltemp = volume[k];
00066       for ( int i = 0; i < width; i++ )
00067       {
00068         for ( int j = 0; j < height; j++ )
00069         {
00070           value = ( unsigned char )( 0x00ff*( volume[ k ][ i ][ height - j - 1] - min) / (max - min));
00071           data -= 3;
00072           data[0] = value;
00073           data[1] = value;
00074           data[2] = value;
00075           //memset( data, value, 3);
00076         } //rof
00077       } //rof
00078 
00079       //image is set, add it to the list
00080       //another image is created so allocation is not a problem
00081       _ima_list.Add( wxBitmap( tmpI.Scale( _sx, _sy ) ) );
00082     } // rof
00083 
00084 //FIXME:
00085 #ifdef __WXMSW__
00086     this->OnSize( wxSizeEvent( ) );
00087 #else
00088   wxSizeEvent myevent(wxSize(-1, -1), this->GetId());
00089   this->OnSize(myevent);
00090   this->Show(true);
00091 #endif
00092 }

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Member Data Documentation

int wxImageBrowserWdg::_first_selected [private]

Definition at line 67 of file wxImageBrowserWdg.h.

Referenced by GetFirst(), GetLast(), OnDraw(), and OnMouseLeftClick().

int wxImageBrowserWdg::_gap [private]

Definition at line 66 of file wxImageBrowserWdg.h.

Referenced by GetGap(), GetIndexClicked(), GetSizeParameters(), OnDraw(), OnSize(), and SetGap().

wxImageList wxImageBrowserWdg::_ima_list [private]

Definition at line 62 of file wxImageBrowserWdg.h.

Referenced by GetSizeParameters(), OnDraw(), and SetVolume().

int wxImageBrowserWdg::_last_selected [private]

Definition at line 68 of file wxImageBrowserWdg.h.

Referenced by GetFirst(), GetLast(), OnDraw(), and OnMouseRightClick().

wxArrayString wxImageBrowserWdg::_nrs_list [private]

Definition at line 63 of file wxImageBrowserWdg.h.

Referenced by OnDraw(), and SetVolume().

int wxImageBrowserWdg::_sx [private]

Definition at line 64 of file wxImageBrowserWdg.h.

Referenced by GetIndexClicked(), GetScaleX(), GetSizeParameters(), OnDraw(), OnSize(), SetScaleX(), and SetVolume().

int wxImageBrowserWdg::_sy [private]

Definition at line 65 of file wxImageBrowserWdg.h.

Referenced by GetIndexClicked(), GetScaleY(), OnDraw(), OnSize(), SetScaleY(), and SetVolume().

The documentation for this class was generated from the following files:
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