WEB-INF/lib/libchart/classes/view/caption/Caption.php

   1 <?php
   2         /* Libchart - PHP chart library
   3          * Copyright (C) 2005-2008 Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
   4          *
   5          * This program is free software: you can redistribute it and/or modify
   6          * it under the terms of the GNU General Public License as published by
   7          * the Free Software Foundation, either version 3 of the License, or
   8          * (at your option) any later version.
   9          *
  10          * This program is distributed in the hope that it will be useful,
  11          * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12          * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13          * GNU General Public License for more details.
  14          *
  15          * You should have received a copy of the GNU General Public License
  16          * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17          *
  18          */
  19
  20         /**
  21          * Caption.
  22          *
  23          * @author Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
  24          * Created on 30 july 2007
  25          */
  26         class Caption {
  27                 protected $labelBoxWidth;
  28                 protected $labelBoxHeight;
  29
  30                 // Plot
  31                 protected $plot;
  32
  33                 // Label list
  34                 protected $labelList;
  35
  36                 // Color set
  37                 protected $colorSet;
  38
  39                 /**
  40                  * Constructor of Caption
  41                  */
  42                 public function Caption() {
  43                         $this->labelBoxWidth = 15;
  44                         $this->labelBoxHeight = 15;
  45                 }
  46
  47                 /**
  48                  * Render the caption.
  49                  */
  50                 public function render() {
  51                         // Get graphical obects
  52                         $img = $this->plot->getImg();
  53                         $palette = $this->plot->getPalette();
  54                         $text = $this->plot->getText();
  55                         $primitive = $this->plot->getPrimitive();
  56
  57                         // Get the caption area
  58                         $captionArea = $this->plot->getCaptionArea();
  59
  60                         // Get the pie color set
  61                         $colorSet = $this->colorSet;
  62                         $colorSet->reset();
  63
  64                         $i = 0;
  65                         foreach ($this->labelList as $label) {
  66                                 // Get the next color
  67                                 $color = $colorSet->currentColor();
  68                                 $colorSet->next();
  69
  70                                 $boxX1 = $captionArea->x1;
  71                                 $boxX2 = $boxX1 + $this->labelBoxWidth;
  72                                 $boxY1 = $captionArea->y1 + 5 + $i * ($this->labelBoxHeight + 5);
  73                                 $boxY2 = $boxY1 + $this->labelBoxHeight;
  74
  75                                 $primitive->outlinedBox($boxX1, $boxY1, $boxX2, $boxY2, $palette->axisColor[0], $palette->axisColor[1]);
  76                                 imagefilledrectangle($img, $boxX1 + 2, $boxY1 + 2, $boxX2 - 2, $boxY2 - 2, $color->getColor($img));
  77
  78                                 $text->printText($img, $boxX2 + 5, $boxY1 + $this->labelBoxHeight / 2, $this->plot->getTextColor(), $label, $text->fontCondensed, $text->VERTICAL_CENTER_ALIGN);
  79
  80                                 $i++;
  81                         }
  82                 }
  83
  84                 /**
  85                  * Sets the plot.
  86                  *
  87                  * @param Plot The plot
  88                  */
  89                 public function setPlot($plot) {
  90                         $this->plot = $plot;
  91                 }
  92
  93                 /**
  94                  * Sets the label list.
  95                  *
  96                  * @param Array label list
  97                  */
  98                 public function setLabelList($labelList) {
  99                         $this->labelList = $labelList;
 100                 }
 101
 102
 103                 /**
 104                  * Sets the color set.
 105                  *
 106                  * @param Array Color set
 107                  */
 108                 public function setColorSet($colorSet) {
 109                         $this->colorSet = $colorSet;
 110                 }
 111         }
 112 ?>