<? Php Tutorial /**
* Ecshop jpgraph chart class library
* ===================================================== ======================================
* The open-source jpgraph library is used to display various types of data in charts and trend charts.
* ===================================================== ======================================
**/ Class cls_jpgraph
{
Var $ db = null;
Var $ ydata = array ();
Var $ width = 350;
Var $ height = 250; Var $ graph = ''; // graphic object
Var $ piegraph = ''; // C-shaped image Var $ lineplot = ''; // linear object
Var $ barpot = ''; // columnar object
Var $ gbplat = ''; // Column Group object
Var $ txt = ''; // text object
Var $ p1 = ''; // A Graph object Var $ scale = ''; // Chart type? (Textlin, textlog, intlin)
Var $ yscale = ''; // (log ,)
Var $ xgrid = false; // x axis grid display
Var $ ygrid = false; // Y axis grid display
Var $ title = ''; // title
Var $ subtitle = ''; // subtitle (generally a date)
Var $ xaxis = ''; // x axis name
Var $ yaxis = ''; // Y axis name /* Margin position */
Var $ left = 0;
Var $ right = 0;
Var $ top = 0;
Var $ bottom = 0; /**
* Constructor
*/
Function cls_jpgraph ($ width = 350, $ height = 250)
{
$ This-> width = $ width;
$ This-> height = $ height; $ This-> graph = new graph ($ this-> width, $ this-> height ); } /**
* Constructor of the chart class library
*
*/
/*
Function _ construct ($ parms, $ width, $ height)
{
Cls_jpgraph ($ parms, $ width, $ height );
}
*/ /* Set basic image information */
Function set_jpgraph ($ scale = 'intlin', $ title = '', $ subtitle ='', $ bgcolor = '', $ xaxis = '',
$ Yaxis = '', $ xgrid = false, $ ygrid = false, $ margin = ''){ $ This-> scale = $ scale;
$ This-> title = $ title;
$ This-> subtitle = $ subtitle;
$ This-> xaxis = $ xaxis;
$ This-> yaxis = $ yaxis;
$ This-> xgrid = $ xgrid;
$ This-> ygrid = $ ygrid; If (! Empty ($ scale )){
$ This-> graph-> setscale ($ this-> scale );
}
Else {
$ This-> graph-> setscale ('intlin ');
}
$ This-> graph-> xgrid-> show ($ this-> xgrid, $ this-> xgrid );
$ This-> graph-> ygrid-> show ($ this-> ygrid, $ this-> ygrid ); If (! Empty ($ bgcolor )){
$ This-> graph-> setmargincolor ($ bgcolor );
} /* If you manually set the image position */
If (is_array ($ margin )){
While (list ($ key, $ val) = each ($ margin )){
$ This-> $ key = $ val;
}
$ This-> graph-> setmargin ($ this-> left, $ this-> right, $ this-> top, $ this-> bottom );
} If (! Empty ($ this-> title )){
$ This-> graph-> title-> set ($ this-> title );
}
If (! Empty ($ this-> subtitle )){
$ This-> graph-> subtitle-> set ($ this-> subtitle );
}
Else {
$ This-> graph-> subtitle-> set ('('. date ('Y-m-D '). '); // The default subtitle is set to the current date.
}
If (! Empty ($ this-> xaxis )){
$ This-> graph-> xaxis-> title-> set ($ this-> xaxis );
}
If (! Empty ($ this-> yaxis )){
$ This-> graph-> yaxis-> title-> set ($ this-> yaxis );
} } /* Create a linear relationship chart (linear plot )*/
Function create_lineplot ($ parms, $ color = 'black', $ weight = 1)
{
$ This-> ydata = $ parms;
$ This-> lineplot = new lineplot ($ this-> ydata );
$ This-> lineplot-> setcolor ($ color );
$ This-> lineplot-> setweight ($ weight ); Return $ this-> lineplot;
} /* Create bar pot )*/
Function create_barpot ($ parms, $ color = 'black', $ width = '0 ')
{
$ This-> ydata = $ parms;
$ This-> barpot = new barplot ($ this-> ydata );
$ This-> barpot-> setfillcolor ($ color );
If (! Empty ($ width )){
$ This-> barpot-> setwidth ($ width );
} Return $ this-> barpot;
} /* Create a data columnar chart Group */
Function create_bargroup ($ plotarr, $ width = '0. 8 ')
{
$ This-> gbplot = new groupbarplot ($ plotarr );
$ This-> gbplot-> setwidth ($ width ); Return $ this-> gbplot;
} /* Create text content */
Function create_text ($ str, $ postion = '', $ color = 'black ')
{
$ This-> txt = new text ($ str ); If (is_array ($ postion )){
While (list ($ key, $ val) = each ($ postion )){
$ This-> $ key = $ val;
}
$ This-> txt-> setpos ($ this-> left, $ this-> top );
}
Else {
$ This-> txt-> setpos (10, 20 );
}
$ This-> txt-> setcolor ($ color ); $ This-> graph-> add ($ this-> txt );
} /* Create a C-type chart */
Function create_pie ($ parms, $ title, $ type = '3D ', $ size = '0. 5', $ center = '0. 5', $ width = '000000', $ height = '000000 ')
{
$ This-> width = $ width;
$ This-> height = $ height; $ This-> piegraph = new piegraph (300,200 );
$ This-> piegraph-> setshadow (); $ This-> piegraph-> title-> set ($ title ); If ('3D '! = $ Type ){
$ This-> p1 = new pieplot ($ parms );
$ This-> piegraph-> add ($ this-> p1 );
}
Else {
$ This-> p1 = new pieplot3d ($ parms );
$ This-> p1-> setsize ($ size );
$ This-> p1-> setcenter ($ center );
// $ This-> p1-> setlegends ($ gdatelocale-> get1_month ());
$ This-> piegraph-> add ($ this-> p1 );
}
$ This-> piegraph-> stroke ();
} Function get_auth_code ($ length = 4)
{
$ Spam = new antispam ();
$ Chars = $ spam-> rand ($ length ); If ($ spam-> stroke () === false ){
Return false;
} Return $ chars;
} /* Create and display the image */
Function display ($ obj)
{
$ This-> graph-> add ($ obj );
$ This-> graph-> stroke ();
}
} ?> |
