Exemple #1
0
 function DrawGraph($file = "")
 {
     $this->graph_width = $this->graph_padding['left'] + count($this->data) * ($this->bar_width + $this->bar_padding * 2) + $this->graph_padding['right'];
     $this->axis_deepness = $this->bar_height;
     $this->im = imagecreatetruecolor($this->graph_width, $this->graph_height);
     $this->axis_frontgridlines = 0;
     $this->axis_xscalevisible = 0;
     $this->axis_positions = array($this->axis_positions[0], 0, 0, 0);
     CGraph::DrawGraph();
     if ($this->axis_minY > 0) {
         $this->axis_minY = 0;
     }
     if ($this->axis_maxY < 0) {
         $this->axis_maxY = 0;
     }
     $this->__Draw_LeftBottom_Axis();
     $p = 0;
     foreach ($this->data as $name => $value) {
         $p++;
         $this->__DrawBarText($p, $name);
         $this->__DrawBar($p, $value);
     }
     $this->__Draw_TopRight_Axis();
     CGraph::DrawGraph2();
     if (strlen($file)) {
         $ret = imagepng($this->im, $file);
     } else {
         header("Content-Type: image/png");
         // thanks to Marcin G. :)
         imagepng($this->im);
         $ret = true;
     }
     imagedestroy($this->im);
     return $ret;
 }
Exemple #2
0
 /**
  * Graph::DrawGraph()
  * Draw all the graph: bg, axis, bars, text.. and output it
  * Optional file parameter turns output to file, and bool on success
  **/
 function DrawGraph($file = "")
 {
     $this->im = imagecreatetruecolor($this->graph_width, $this->graph_height);
     CGraph::DrawGraph();
     $this->__Draw_LeftBottom_Axis();
     $arrki = array_keys($this->data);
     if (is_array($this->data[$arrki[0]])) {
         // more than 1 line
         if (!is_array($this->line_color)) {
             $this->line_color = array($this->line_color);
         }
         if (!is_array($this->line_bgcolor)) {
             $this->line_bgcolor = array($this->line_bgcolor);
         }
         for ($i = 0; $i < count($arrki); $i++) {
             $this->__AllocateColor("im_line_color", $this->line_color[$i], $this->graph_transparencylevel, $i);
             if ($this->axis_deepness > 0) {
                 $this->__AllocateColor("im_line_bgcolor", $this->line_bgcolor[$i], $this->graph_transparencylevel, $i);
             }
             $arrkj = array_keys($this->data[$arrki[$i]]);
             for ($j = 1; $j < count($arrkj); $j++) {
                 $this->__DrawLine(array($arrkj[$j - 1], $arrkj[$j], $this->data[$arrki[$i]][$arrkj[$j - 1]], $this->data[$arrki[$i]][$arrkj[$j]]), $this->im_line_color[$i], $this->im_line_bgcolor[$i]);
             }
         }
     } else {
         $this->__AllocateColor("im_line_color", $this->line_color, $this->graph_transparencylevel);
         $this->__AllocateColor("im_line_bgcolor", $this->line_bgcolor, $this->graph_transparencylevel);
         for ($i = 1; $i < count($arrki); $i++) {
             $this->__DrawLine(array($arrki[$i - 1], $arrki[$i], $this->data[$arrki[$i - 1]], $this->data[$arrki[$i]]), $this->im_line_color, $this->im_line_bgcolor);
         }
     }
     $this->__Draw_TopRight_Axis();
     CGraph::DrawGraph2();
     if (strlen($file)) {
         $ret = imagepng($this->im, $file);
     } else {
         header("Content-Type: image/png");
         // thanks to Marcin G. :)
         imagepng($this->im);
         $ret = true;
     }
     imagedestroy($this->im);
     return $ret;
 }
Exemple #3
0
 function DrawGraph($file = "")
 {
     $this->im = imagecreatetruecolor($this->graph_width, $this->graph_height);
     $this->axis_positions = array(0, 0, 0, 0);
     $this->axis_xscalevisible = 0;
     $this->axis_yscalevisible = 0;
     $this->axis_gridlines = 0;
     CGraph::DrawGraph();
     if ($this->pie_total == 0) {
         foreach ($this->data as $name => $value) {
             $this->pie_total += $value;
         }
     }
     // deepness
     for ($i = $this->pie_deepness; $i > 0; $i--) {
         $offset = 0;
         $p = 0;
         foreach ($this->data as $n => $value) {
             if (!$this->im_pie_deepnesscolor[$p]) {
                 $this->__AllocateColor("im_pie_deepnesscolor", $this->pie_deepnesscolor[$p], 0, $p);
             }
             $from = round($this->pie_startoffset - $offset * 360 / $this->pie_total);
             $to = round($this->pie_startoffset - ($value + $offset) * 360 / $this->pie_total);
             if ($from < 0) {
                 $from += 360;
             }
             if ($to < 0) {
                 $to += 360;
             }
             imagefilledarc($this->im, round($this->graph_width / 2), round($this->graph_height / 2) + $i, $this->graph_areawidth, $this->graph_areaheight, $to, $from, $this->im_pie_deepnesscolor[$p], IMG_ARC_PIE);
             $offset += $value;
             $p++;
         }
     }
     $offset = 0;
     $p = 0;
     foreach ($this->data as $n => $value) {
         $this->__AllocateColor("im_pie_color", $this->pie_color[$p], 0, $p);
         $from = round($this->pie_startoffset - $offset * 360 / $this->pie_total);
         $to = round($this->pie_startoffset - ($value + $offset) * 360 / $this->pie_total);
         if ($from < 0) {
             $from += 360;
         }
         if ($to < 0) {
             $to += 360;
         }
         imagefilledarc($this->im, round($this->graph_width / 2), round($this->graph_height / 2), $this->graph_areawidth, $this->graph_areaheight, $to, $from, $this->im_pie_color[$p], IMG_ARC_PIE);
         $offset += $value;
         $p++;
     }
     CGraph::DrawGraph2();
     if (strlen($file)) {
         $ret = imagepng($this->im, $file);
     } else {
         header("Content-Type: image/png");
         // thanks to Marcin G. :)
         imagepng($this->im);
         $ret = true;
     }
     imagedestroy($this->im);
     return $ret;
 }