application/vendor/mfchart/MultipleBarChart.php

   1 <?php
   2
   3 class MultipleBarChart extends BarChart {
   4
   5         protected $bar_width = 30;
   6
   7         protected $bar_gap = -20;       // gap between the bars in a group
   8
   9         public $bar_colors = false;
  10
  11         public function __construct($width=NULL, $height=NULL)
  12         {
  13                 parent::__construct($width, $height);
  14
  15                 $this->type = 'multiple';
  16
  17                 $this->colors['bar_color'] = array(
  18                                 array('#e0d62e', NULL, NULL),
  19                                 array('#bdb51c', NULL, NULL),
  20                                 array('#9f9917', NULL, NULL),
  21                                 array('#807a13', NULL, NULL),
  22                                 array('#68640f', NULL, NULL),
  23                                 array('#e6de51', NULL, NULL),
  24                                 array('#eee988', NULL, NULL)
  25                         );
  26                 $this->colors['bar_border_color'] = array(
  27                                 array('#747014', 25,     NULL),
  28                                 array('#9d971c', 25,     NULL)
  29                         );
  30         }
  31
  32         public function set_bar_gap($val=0)
  33         {
  34                 $this->bar_gap = $val;
  35         }
  36
  37
  38         public function add_bar_colors($values=false)
  39         {
  40                 if (empty($values))
  41                         return false;
  42
  43                 /*
  44                 foreach ($values as $val) {
  45                         #$rgb = utilities::hex2rgb($val);
  46                         $this->bar_colors[] = imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]);
  47                 }
  48                 */
  49                 $this->bar_colors = $values;
  50         }
  51
  52         protected function draw_values($zeroline, $ratio)
  53         {
  54                 #echo Kohana::debug($this->bar_colors);
  55                 #die();
  56                 $plot_sizes = $this->get_plot_area();
  57                 $font_bar_legend = $this->font_size < 1 ? $this->font_size : $this->font_size-1;
  58
  59                 reset($this->values);
  60                 $total_bars_groups = count($this->values);
  61                 $bars_per_group = count(current($this->values));        // count of all bars
  62                 $gap = ($plot_sizes[0] - $total_bars_groups*$bars_per_group*$this->bar_width - $total_bars_groups*($bars_per_group-1)*$this->bar_gap) / ($total_bars_groups+1); // gap between bars -- 5 is gap between group bars
  63
  64
  65                 $i=0;
  66                 $a=0;
  67                 foreach ($this->values AS $key => $value)
  68                 {
  69                         $x1base = $this->margin_left + $gap + $i*($gap + (count($value)*($this->bar_width+$this->bar_gap)-$this->bar_gap) );
  70
  71                         $fheight = $this->font_size; // default - recomputed later in the next cycle
  72
  73                         $j = 0;
  74                         foreach ($value as $v)
  75                         {
  76                                 $x1 = $x1base + $j*($this->bar_width+$this->bar_gap);
  77                                 $x2 = $x1 + $this->bar_width;
  78                                 $y2 = $this->height - $this->margin_bottom - $zeroline;
  79                                 $y1 = $y2 - $v*$ratio;
  80
  81                                 if ($this->vertical_bar_lines)
  82                                         imageline($this->image, $x1+$this->bar_width/2, $this->margin_top-1, $x1+$this->bar_width/2, $this->height-$this->margin_bottom-1, IMG_COLOR_STYLED);
  83
  84                                 $col = $this->bar_colors[$a];
  85                                 if (!$col) {
  86                                         # sla color
  87                                         $this->bar_legend = false;
  88                                         $rgb = utilities::hex2rgb(reports::$colors['lightblue']);
  89                                         $col = imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]);
  90                                 } else {
  91                                         $this->bar_legend = true;
  92                                         $rgb = utilities::hex2rgb($col);
  93                                         $col = imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]);
  94                                 }
  95
  96                                 imagefilledrectangle($this->image, $x1, $y1, $x2, $y2, $col); // draw bar
  97                                 $this->add_occupied($x1, $y1, $x2, $y2);
  98
  99                                 if ($this->get_color('bar_border_color'))
 100                                 {       // draw bar border
 101                                         imageline($this->image, $x1, $y1, $x1, $y2, $this->get_color('bar_border_color', $j)); // left
 102                                         imageline($this->image, $x2, $y1, $x2, $y2, $this->get_color('bar_border_color', $j)); // right
 103                                         imageline($this->image, $x1, $y1, $x2, $y1, $this->get_color('bar_border_color', $j)); // top
 104                                 }
 105
 106                                 if ($v != 0)
 107                                         imagefilledrectangle($this->image, $x2, $y1+($v > 0 ? 1 : -1), $x2+1, $y2, $this->get_color('shade_color')); // draw shade of bar
 108
 109                                 $box_points = imagettfbbox($this->font_size, 0, $this->font, $v);
 110                                 $bar_middle = $x1 + $this->bar_width/2;
 111                                 $bar_legend_hwidth = ($box_points[4]-$box_points[6]) / 2;
 112                                 $fheight = $box_points[3]-$box_points[5];
 113
 114                                 // bar legend
 115                                 if ($this->bar_legend)
 116                                 {
 117                                         if ($v >= 0)
 118                                         {
 119                                                 #utilities::imagestringbox($this->image, $this->font, $font_bar_legend, $bar_middle-$bar_legend_hwidth, $y1-$fheight-5, $bar_middle+$bar_legend_hwidth, $y1, ALIGN_CENTER, VALIGN_MIDDLE, 0, Reports_Controller::_format_report_value($v), $this->get_color('font_color3'));
 120
 121                                                 #utilities::imagestringbox($this->image, $this->font, $font_bar_legend, $bar_middle-$bar_legend_hwidth, 65, $bar_middle+$bar_legend_hwidth, 995, ALIGN_CENTER, VALIGN_MIDDLE, 0, Reports_Controller::_format_report_value($v), $this->get_color('font_color3'));
 122                                                 #utilities::imagestringbox($this->image, $this->font, $font_bar_legend, $bar_middle-$bar_legend_hwidth, -150, $bar_middle+$bar_legend_hwidth, 700, ALIGN_LEFT, VALIGN_MIDDLE, 0, Reports_Controller::_format_report_value($v), $this->get_color('font_color3'));
 123                                                 utilities::imagestringbox($this->image, $this->font, $font_bar_legend, $bar_middle-$bar_legend_hwidth, $y1-$fheight-5, $bar_middle+$bar_legend_hwidth, $y1, ALIGN_LEFT, VALIGN_MIDDLE, 0, reports::format_report_value($v), $this->get_color('font_color3'));
 124                                                 #$this->add_occupied($bar_middle-$bar_legend_hwidth, $y1-$fheight-5, $bar_middle+$bar_legend_hwidth, $y1);
 125                                                 $this->add_occupied($bar_middle-$bar_legend_hwidth, $y1-$fheight-5, $bar_middle+$bar_legend_hwidth, $y1);
 126                                         }
 127                                         else
 128                                         {
 129                                                 utilities::imagestringbox($this->image, $this->font, $font_bar_legend, $bar_middle-$bar_legend_hwidth, $y1+5, $bar_middle+$bar_legend_hwidth, $y1+$fheight+5, ALIGN_CENTER, VALIGN_MIDDLE, 0, $v, $this->get_color('font_color3'));
 130                                                 $this->add_occupied($bar_middle-$bar_legend_hwidth, $y1+5, $bar_middle+$bar_legend_hwidth, $y1+$fheight+5);
 131                                         }
 132                                 }
 133
 134                                 $j++;
 135                                 $a++;
 136                         }
 137
 138                         $box_points = imagettfbbox($this->font_size, 0, $this->font, $key);
 139                         $y_legend_hwidth = ($box_points[4]-$box_points[6]) / 2;
 140                         $group_bar_middle = $x1base + (count($value)*($this->bar_width+$this->bar_gap)-$this->bar_gap)/2;
 141
 142                         // x axis legend
 143                         utilities::imagestringbox($this->image, $this->font, $this->font_size, $group_bar_middle-$y_legend_hwidth, $this->margin_top+$plot_sizes[1]+5, $group_bar_middle+$y_legend_hwidth, $this->margin_top+$plot_sizes[1]+5+$fheight, ALIGN_CENTER, VALIGN_MIDDLE, 0, $key, $this->get_color('font_color'));
 144
 145                         $i++;
 146                 }
 147
 148                 #******************************************************************
 149                 #       Draw SLA graph legend to explain bar colors
 150                 #******************************************************************
 151
 152                 # colors
 153                 $rgb = utilities::hex2rgb(reports::$colors['lightblue']);
 154                 $color = imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]);
 155
 156                 $rgb_red = utilities::hex2rgb(reports::$colors['red']);
 157                 $red_color = imagecolorallocate($this->image, $rgb_red[0], $rgb_red[1], $rgb_red[2]);
 158
 159                 $rgb_green = utilities::hex2rgb(reports::$colors['green']);
 160                 $green_color = imagecolorallocate($this->image, $rgb_green[0], $rgb_green[1], $rgb_green[2]);
 161
 162                 # black col
 163                 $rgb = utilities::hex2rgb('#000000');
 164                 $col = imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]);
 165
 166                 # legend boxes - 2 for each legend with one black box being 1 pixel larger to create a border
 167                 imagefilledrectangle($this->image, 34, $this->height-30, 55, $this->height-45, $col); // draw sla compliance border
 168                 imagefilledrectangle($this->image, 35, $this->height-31, 54, $this->height-44, $color); // draw sla compliance color legend
 169
 170                 imagefilledrectangle($this->image, 34, $this->height-10, 55, $this->height-25, $col); // draw sla breach border
 171                 imagefilledrectangle($this->image, 35, $this->height-11, 54, $this->height-24, $red_color); // draw sla breach color legend
 172
 173                 imagefilledrectangle($this->image, 184, $this->height-10, 205, $this->height-25, $col); // draw fulfilled sla border
 174                 imagefilledrectangle($this->image, 185, $this->height-11, 204, $this->height-24, $green_color); // draw fulfilled sla color legend
 175
 176                 # text color
 177                 $rgb = utilities::hex2rgb('#000000');
 178                 $col = imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]);
 179
 180                 # legend strings:
 181
 182                 # sla compliance string
 183                 utilities::imagestringbox($this->image, $this->font, $this->font_size, 255, $this->height-70, -50, $this->height, ALIGN_CENTER, VALIGN_MIDDLE, 0, _('SLA Compliance'), $col);
 184
 185                 # breached sla string
 186                 utilities::imagestringbox($this->image, $this->font, $this->font_size, 255, $this->height-32, -60, $this->height, ALIGN_CENTER, VALIGN_MIDDLE, 0, _('Breached SLA'), $col);
 187
 188                 # Fulfilled sla string
 189                 utilities::imagestringbox($this->image, $this->font, $this->font_size, 545, $this->height-32, -60, $this->height, ALIGN_CENTER, VALIGN_MIDDLE, 0, _('Fulfilled SLA'), $col);
 190         }
 191 }