diff options
Diffstat (limited to 'config/archive/dspam/pear/Image/Graph/Axis')
5 files changed, 1073 insertions, 0 deletions
diff --git a/config/archive/dspam/pear/Image/Graph/Axis/Category.php b/config/archive/dspam/pear/Image/Graph/Axis/Category.php new file mode 100644 index 00000000..b6451496 --- /dev/null +++ b/config/archive/dspam/pear/Image/Graph/Axis/Category.php @@ -0,0 +1,437 @@ +<?php + +/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ + +/** + * Class for axis handling. + * + * PHP versions 4 and 5 + * + * LICENSE: This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or (at your + * option) any later version. This library is distributed in the hope that it + * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser + * General Public License for more details. You should have received a copy of + * the GNU Lesser General Public License along with this library; if not, write + * to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + * + * @category Images + * @package Image_Graph + * @subpackage Axis + * @author Jesper Veggerby <pear.nosey@veggerby.dk> + * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version CVS: $Id$ + * @link http://pear.php.net/package/Image_Graph + */ + +/** + * Include file Image/Graph/Axis.php + */ +require_once 'Image/Graph/Axis.php'; + +/** + * A normal axis thats displays labels with a 'interval' of 1. + * This is basically a normal axis where the range is + * the number of labels defined, that is the range is explicitly defined + * when constructing the axis. + * + * @category Images + * @package Image_Graph + * @subpackage Axis + * @author Jesper Veggerby <pear.nosey@veggerby.dk> + * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version Release: @package_version@ + * @link http://pear.php.net/package/Image_Graph + */ +class Image_Graph_Axis_Category extends Image_Graph_Axis +{ + + /** + * The labels shown on the axis + * @var array + * @access private + */ + var $_labels = false; + + /** + * Image_Graph_Axis_Category [Constructor]. + * + * @param int $type The type (direction) of the Axis + */ + function Image_Graph_Axis_Category($type = IMAGE_GRAPH_AXIS_X) + { + parent::Image_Graph_Axis($type); + $this->_labels = array(); + $this->setlabelInterval(1); + } + + /** + * Gets the minimum value the axis will show. + * + * This is always 0 + * + * @return double The minumum value + * @access private + */ + function _getMinimum() + { + return 0; + } + + /** + * Gets the maximum value the axis will show. + * + * This is always the number of labels passed to the constructor. + * + * @return double The maximum value + * @access private + */ + function _getMaximum() + { + return count($this->_labels) - 1; + } + + /** + * Sets the minimum value the axis will show. + * + * A minimum cannot be set on a SequentialAxis, it is always 0. + * + * @param double Minimum The minumum value to use on the axis + * @access private + */ + function _setMinimum($minimum) + { + } + + /** + * Sets the maximum value the axis will show + * + * A maximum cannot be set on a SequentialAxis, it is always the number + * of labels passed to the constructor. + * + * @param double Maximum The maximum value to use on the axis + * @access private + */ + function _setMaximum($maximum) + { + } + + /** + * Forces the minimum value of the axis + * + * <b>A minimum cannot be set on this type of axis</b> + * + * To modify the labels which are displayed on the axis, instead use + * setLabelInterval($labels) where $labels is an array containing the + * values/labels the axis should display. <b>Note!</b> Only values in + * this array will then be displayed on the graph! + * + * @param double $minimum A minimum cannot be set on this type of axis + */ + function forceMinimum($minimum, $userEnforce = true) + { + } + + /** + * Forces the maximum value of the axis + * + * <b>A maximum cannot be set on this type of axis</b> + * + * To modify the labels which are displayed on the axis, instead use + * setLabelInterval($labels) where $labels is an array containing the + * values/labels the axis should display. <b>Note!</b> Only values in + * this array will then be displayed on the graph! + * + * @param double $maximum A maximum cannot be set on this type of axis + */ + function forceMaximum($maximum, $userEnforce = true) + { + } + + /** + * Sets an interval for where labels are shown on the axis. + * + * The label interval is rounded to nearest integer value. + * + * @param double $labelInterval The interval with which labels are shown + */ + function setLabelInterval($labelInterval = 'auto', $level = 1) + { + if (is_array($labelInterval)) { + parent::setLabelInterval($labelInterval); + } elseif ($labelInterval == 'auto') { + parent::setLabelInterval(1); + } else { + parent::setLabelInterval(round($labelInterval)); + } + } + + /** + * Preprocessor for values, ie for using logarithmic axis + * + * @param double $value The value to preprocess + * @return double The preprocessed value + * @access private + */ + function _value($value) + { +// $the_value = array_search($value, $this->_labels); + if (isset($this->_labels[$value])) { + $the_value = $this->_labels[$value]; + if ($the_value !== false) { + return $the_value + ($this->_pushValues ? 0.5 : 0); + } else { + return 0; + } + } + } + + + /** + * Get the minor label interval with which axis label ticks are drawn. + * + * For a sequential axis this is always disabled (i.e false) + * + * @return double The minor label interval, always false + * @access private + */ + function _minorLabelInterval() + { + return false; + } + + /** + * Get the size in pixels of the axis. + * + * For an x-axis this is the width of the axis including labels, and for an + * y-axis it is the corrresponding height + * + * @return int The size of the axis + * @access private + */ + function _size() + { + if (!$this->_visible) { + return 0; + } + + $this->_canvas->setFont($this->_getFont()); + + $maxSize = 0; + foreach($this->_labels as $label => $id) { + $labelPosition = $this->_point($label); + + if (is_object($this->_dataPreProcessor)) { + $labelText = $this->_dataPreProcessor->_process($label); + } else { + $labelText = $label; + } + + if ((($this->_type == IMAGE_GRAPH_AXIS_X) && (!$this->_transpose)) || + (($this->_type != IMAGE_GRAPH_AXIS_X) && ($this->_transpose))) + { + $maxSize = max($maxSize, $this->_canvas->textHeight($labelText)); + } else { + $maxSize = max($maxSize, $this->_canvas->textWidth($labelText)); + } + } + + if ($this->_title) { + $this->_canvas->setFont($this->_getTitleFont()); + + if ((($this->_type == IMAGE_GRAPH_AXIS_X) && (!$this->_transpose)) || + (($this->_type != IMAGE_GRAPH_AXIS_X) && ($this->_transpose))) + { + $maxSize += $this->_canvas->textHeight($this->_title); + } else { + $maxSize += $this->_canvas->textWidth($this->_title); + } + $maxSize += 10; + } + return $maxSize +3; + } + + /** + * Apply the dataset to the axis. + * + * This calculates the order of the categories, which is very important + * for fx. line plots, so that the line does not "go backwards", consider + * these X-sets:<p> + * 1: (1, 2, 3, 4, 5, 6)<br> + * 2: (0, 1, 2, 3, 4, 5, 6, 7)<p> + * If they are not ordered, but simply appended, the categories on the axis + * would be:<p> + * X: (1, 2, 3, 4, 5, 6, 0, 7)<p> + * Which would render the a line for the second plot to show incorrectly. + * Instead this algorithm, uses and 'value- is- before' method to see that + * the 0 is before a 1 in the second set, and that it should also be before + * a 1 in the X set. Hence:<p> + * X: (0, 1, 2, 3, 4, 5, 6, 7) + * + * @param Image_Graph_Dataset $dataset The dataset + * @access private + */ + function _applyDataset(&$dataset) + { + $newLabels = array(); + $allLabels = array(); + + $dataset->_reset(); + $count = 0; + $count_new = 0; + while ($point = $dataset->_next()) { + if ($this->_type == IMAGE_GRAPH_AXIS_X) { + $data = $point['X']; + } else { + $data = $point['Y']; + } + if (!isset($this->_labels[$data])) { + $newLabels[$data] = $count_new++; + //$this->_labels[] = $data; + } + $allLabels[$data] = $count++; + } + + if (count($this->_labels) == 0) { + $this->_labels = $newLabels; + } elseif ((is_array($newLabels)) && (count($newLabels) > 0)) { + // get all intersecting labels + $intersect = array_intersect(array_keys($allLabels), array_keys($this->_labels)); + // traverse all new and find their relative position withing the + // intersec, fx value X0 is before X1 in the intersection, which + // means that X0 should be placed before X1 in the label array + foreach($newLabels as $newLabel => $id) { + $key = $allLabels[$newLabel]; + reset($intersect); + $this_value = false; + // intersect indexes are the same as in allLabels! + $first = true; + while ((list($id, $value) = each($intersect)) && + ($this_value === false)) + { + if (($first) && ($id > $key)) { + $this_value = $value; + } elseif ($id >= $key) { + $this_value = $value; + } + $first = false; + } + + if ($this_value === false) { + // the new label was not found before anything in the + // intersection -> append it + $this->_labels[$newLabel] = count($this->_labels); + } else { + // the new label was found before $this_value in the + // intersection, insert the label before this position in + // the label array +// $key = $this->_labels[$this_value]; + $keys = array_keys($this->_labels); + $key = array_search($this_value, $keys); + $pre = array_slice($keys, 0, $key); + $pre[] = $newLabel; + $post = array_slice($keys, $key); + $this->_labels = array_flip(array_merge($pre, $post)); + } + } + unset($keys); + } + + $labels = array_keys($this->_labels); + $i = 0; + foreach ($labels as $label) { + $this->_labels[$label] = $i++; + } + +// $this->_labels = array_values(array_unique($this->_labels)); + $this->_calcLabelInterval(); + } + + /** + * Return the label distance. + * + * @return int The distance between 2 adjacent labels + * @access private + */ + function _labelDistance($level = 1) + { + reset($this->_labels); + list($l1) = each($this->_labels); + list($l2) = each($this->_labels); + return abs($this->_point($l2) - $this->_point($l1)); + } + + /** + * Get next label point + * + * @param doubt $point The current point, if omitted or false, the first is + * returned + * @return double The next label point + * @access private + */ + function _getNextLabel($currentLabel = false, $level = 1) + { + if ($currentLabel === false) { + reset($this->_labels); + } + $result = false; + $count = ($currentLabel === false ? $this->_labelInterval() - 1 : 0); + while ($count < $this->_labelInterval()) { + $result = (list($label) = each($this->_labels)); + $count++; + } + if ($result) { + return $label; + } else { + return false; + } + } + + /** + * Is the axis numeric or not? + * + * @return bool True if numeric, false if not + * @access private + */ + function _isNumeric() + { + return false; + } + + /** + * Output the axis + * + * @return bool Was the output 'good' (true) or 'bad' (false). + * @access private + */ + function _done() + { + $result = true; + if (Image_Graph_Element::_done() === false) { + $result = false; + } + + $this->_canvas->startGroup(get_class($this)); + + $this->_drawAxisLines(); + + $this->_canvas->startGroup(get_class($this) . '_ticks'); + $label = false; + while (($label = $this->_getNextLabel($label)) !== false) { + $this->_drawTick($label); + } + $this->_canvas->endGroup(); + + $this->_canvas->endGroup(); + + return $result; + } + +} + +?>
\ No newline at end of file diff --git a/config/archive/dspam/pear/Image/Graph/Axis/Logarithmic.php b/config/archive/dspam/pear/Image/Graph/Axis/Logarithmic.php new file mode 100644 index 00000000..2675ee4c --- /dev/null +++ b/config/archive/dspam/pear/Image/Graph/Axis/Logarithmic.php @@ -0,0 +1,152 @@ +<?php + +/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ + +/** + * Class for axis handling. + * + * PHP versions 4 and 5 + * + * LICENSE: This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or (at your + * option) any later version. This library is distributed in the hope that it + * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser + * General Public License for more details. You should have received a copy of + * the GNU Lesser General Public License along with this library; if not, write + * to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + * + * @category Images + * @package Image_Graph + * @subpackage Axis + * @author Jesper Veggerby <pear.nosey@veggerby.dk> + * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version CVS: $Id$ + * @link http://pear.php.net/package/Image_Graph + */ + +/** + * Include file Image/Graph/Axis.php + */ +require_once 'Image/Graph/Axis.php'; + +/** + * Diplays a logarithmic axis (either X- or Y-axis). + * + * @category Images + * @package Image_Graph + * @subpackage Axis + * @author Jesper Veggerby <pear.nosey@veggerby.dk> + * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version Release: @package_version@ + * @link http://pear.php.net/package/Image_Graph + */ +class Image_Graph_Axis_Logarithmic extends Image_Graph_Axis +{ + + /** + * Image_Graph_AxisLogarithmic [Constructor]. + * + * Normally a manual creation should not be necessary, axis are + * created automatically by the {@link Image_Graph_Plotarea} constructor + * unless explicitly defined otherwise + * + * @param int $type The type (direction) of the Axis, use IMAGE_GRAPH_AXIS_X + * for an X-axis (default, may be omitted) and IMAGE_GRAPH_AXIS_Y for Y- + * axis) + */ + function Image_Graph_Axis_Logarithmic($type = IMAGE_GRAPH_AXIS_X) + { + parent::Image_Graph_Axis($type); + $this->showLabel(IMAGE_GRAPH_LABEL_MINIMUM + IMAGE_GRAPH_LABEL_MAXIMUM); + $this->_minimum = 1; + $this->_minimumSet = true; + } + + /** + * Calculate the label interval + * + * If explicitly defined this will be calucated to an approximate best. + * + * @return double The label interval + * @access private + */ + function _calcLabelInterval() + { + $result = parent::_calcLabelInterval(); + $this->_axisValueSpan = $this->_value($this->_axisSpan); + return $result; + } + + /** + * Preprocessor for values, ie for using logarithmic axis + * + * @param double $value The value to preprocess + * @return double The preprocessed value + * @access private + */ + function _value($value) + { + return log10($value) - log10($this->_minimum); + } + + /** + * Get next label point + * + * @param doubt $point The current point, if omitted or false, the first is + * returned + * @return double The next label point + * @access private + */ + function _getNextLabel($currentLabel = false, $level = 1) + { + if (is_array($this->_labelOptions[$level]['interval'])) { + return parent::_getNextLabel($currentLabel, $level); + } + + if ($currentLabel !== false) { + $value = log10($currentLabel); + $base = floor($value); + $frac = $value - $base; + for ($i = 2; $i < 10; $i++) { + if ($frac <= (log10($i)-0.01)) { + $label = pow(10, $base)*$i; + if ($label > $this->_getMaximum()) { + return false; + } else { + return $label; + } + } + } + return pow(10, $base+1); + } + + return max(1, $this->_minimum); + } + + /** + * Get the axis intersection pixel position + * + * This is only to be called prior to output! I.e. between the user + * invokation of Image_Graph::done() and any actual output is performed. + * This is because it can change the axis range. + * + * @param double $value the intersection value to get the pixel-point for + * @return double The pixel position along the axis + * @access private + */ + function _intersectPoint($value) + { + if (($value <= 0) && ($value !== 'max') && ($value !== 'min')) { + $value = 1; + } + return parent::_intersectPoint($value); + } + +} + +?>
\ No newline at end of file diff --git a/config/archive/dspam/pear/Image/Graph/Axis/Marker/Area.php b/config/archive/dspam/pear/Image/Graph/Axis/Marker/Area.php new file mode 100644 index 00000000..1931ab48 --- /dev/null +++ b/config/archive/dspam/pear/Image/Graph/Axis/Marker/Area.php @@ -0,0 +1,156 @@ +<?php + +/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ + +/** + * Class file containing a axis marker used for explicitly highlighting a area + * on the graph, based on an interval specified on an axis. + * + * PHP versions 4 and 5 + * + * LICENSE: This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or (at your + * option) any later version. This library is distributed in the hope that it + * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser + * General Public License for more details. You should have received a copy of + * the GNU Lesser General Public License along with this library; if not, write + * to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + * + * @category Images + * @package Image_Graph + * @subpackage Grid + * @author Jesper Veggerby <pear.nosey@veggerby.dk> + * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version CVS: $Id$ + * @link http://pear.php.net/package/Image_Graph + */ + +/** + * Include file Image/Graph/Grid.php + */ +require_once 'Image/Graph/Grid.php'; + +/** + * Display a grid + * + * {@link Image_Graph_Grid} + * + * @category Images + * @package Image_Graph + * @subpackage Grid + * @author Jesper Veggerby <pear.nosey@veggerby.dk> + * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version Release: @package_version@ + * @link http://pear.php.net/package/Image_Graph + */ +class Image_Graph_Axis_Marker_Area extends Image_Graph_Grid +{ + + /** + * The lower bound + * @var double + * @access private + */ + var $_lower = false; + + /** + * The upper bound + * @var double + * @access private + */ + var $_upper = false; + + /** + * [Constructor] + */ + function Image_Graph_Axis_Marker_Area() + { + parent::Image_Graph_Grid(); + $this->_lineStyle = false; + } + + /** + * Sets the lower bound of the area (value on the axis) + * + * @param double $lower the lower bound + */ + function setLowerBound($lower) + { + $this->_lower = $lower; + } + + /** + * Sets the upper bound of the area (value on the axis) + * + * @param double $upper the upper bound + */ + function setUpperBound($upper) + { + $this->_upper = $upper; + } + + /** + * Output the grid + * + * @return bool Was the output 'good' (true) or 'bad' (false). + * @access private + */ + function _done() + { + if (parent::_done() === false) { + return false; + } + + if (!$this->_primaryAxis) { + return false; + } + + $this->_canvas->startGroup(get_class($this)); + + $i = 0; + + $this->_lower = max($this->_primaryAxis->_getMinimum(), $this->_lower); + $this->_upper = min($this->_primaryAxis->_getMaximum(), $this->_upper); + + $secondaryPoints = $this->_getSecondaryAxisPoints(); + + reset($secondaryPoints); + list ($id, $previousSecondaryValue) = each($secondaryPoints); + while (list ($id, $secondaryValue) = each($secondaryPoints)) { + if ($this->_primaryAxis->_type == IMAGE_GRAPH_AXIS_X) { + $p1 = array ('Y' => $secondaryValue, 'X' => $this->_lower); + $p2 = array ('Y' => $previousSecondaryValue, 'X' => $this->_lower); + $p3 = array ('Y' => $previousSecondaryValue, 'X' => $this->_upper); + $p4 = array ('Y' => $secondaryValue, 'X' => $this->_upper); + } else { + $p1 = array ('X' => $secondaryValue, 'Y' => $this->_lower); + $p2 = array ('X' => $previousSecondaryValue, 'Y' => $this->_lower); + $p3 = array ('X' => $previousSecondaryValue, 'Y' => $this->_upper); + $p4 = array ('X' => $secondaryValue, 'Y' => $this->_upper); + } + + $this->_canvas->addVertex(array('x' => $this->_pointX($p1), 'y' => $this->_pointY($p1))); + $this->_canvas->addVertex(array('x' => $this->_pointX($p2), 'y' => $this->_pointY($p2))); + $this->_canvas->addVertex(array('x' => $this->_pointX($p3), 'y' => $this->_pointY($p3))); + $this->_canvas->addVertex(array('x' => $this->_pointX($p4), 'y' => $this->_pointY($p4))); + + $previousSecondaryValue = $secondaryValue; + + $this->_getLineStyle(); + $this->_getFillStyle(); + $this->_canvas->polygon(array('connect' => true)); + } + + $this->_canvas->endGroup(); + + return true; + } + +} + +?>
\ No newline at end of file diff --git a/config/archive/dspam/pear/Image/Graph/Axis/Marker/Line.php b/config/archive/dspam/pear/Image/Graph/Axis/Marker/Line.php new file mode 100644 index 00000000..0c46c144 --- /dev/null +++ b/config/archive/dspam/pear/Image/Graph/Axis/Marker/Line.php @@ -0,0 +1,124 @@ +<?php + +/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ + +/** + * Class file containing a axis marker used for explicitly highlighting a point + * (line) on the graph, based on an value specified on an axis. + * + * PHP versions 4 and 5 + * + * LICENSE: This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or (at your + * option) any later version. This library is distributed in the hope that it + * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser + * General Public License for more details. You should have received a copy of + * the GNU Lesser General Public License along with this library; if not, write + * to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + * + * @category Images + * @package Image_Graph + * @subpackage Grid + * @author Jesper Veggerby <pear.nosey@veggerby.dk> + * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version CVS: $Id$ + * @link http://pear.php.net/package/Image_Graph + */ + +/** + * Include file Image/Graph/Grid.php + */ +require_once 'Image/Graph/Grid.php'; + +/** + * Display a grid + * + * {@link Image_Graph_Grid} + * + * @category Images + * @package Image_Graph + * @subpackage Grid + * @author Jesper Veggerby <pear.nosey@veggerby.dk> + * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version Release: @package_version@ + * @link http://pear.php.net/package/Image_Graph + */ +class Image_Graph_Axis_Marker_Line extends Image_Graph_Grid +{ + + /** + * The value + * @var double + * @access private + */ + var $_value = false; + + /** + * Sets the value of the line marker (value on the axis) + * + * @param double $value the value + */ + function setValue($value) + { + $this->_value = $value; + } + + /** + * Output the grid + * + * @return bool Was the output 'good' (true) or 'bad' (false). + * @access private + */ + function _done() + { + if (parent::_done() === false) { + return false; + } + + if (!$this->_primaryAxis) { + return false; + } + + $this->_canvas->startGroup(get_class($this)); + + $i = 0; + + $this->_value = min($this->_primaryAxis->_getMaximum(), max($this->_primaryAxis->_getMinimum(), $this->_value)); + + $secondaryPoints = $this->_getSecondaryAxisPoints(); + + reset($secondaryPoints); + list ($id, $previousSecondaryValue) = each($secondaryPoints); + while (list ($id, $secondaryValue) = each($secondaryPoints)) { + if ($this->_primaryAxis->_type == IMAGE_GRAPH_AXIS_X) { + $p1 = array ('X' => $this->_value, 'Y' => $secondaryValue); + $p2 = array ('X' => $this->_value, 'Y' => $previousSecondaryValue); + } else { + $p1 = array ('X' => $secondaryValue, 'Y' => $this->_value); + $p2 = array ('X' => $previousSecondaryValue, 'Y' => $this->_value); + } + + $x1 = $this->_pointX($p1); + $y1 = $this->_pointY($p1); + $x2 = $this->_pointX($p2); + $y2 = $this->_pointY($p2); + + $previousSecondaryValue = $secondaryValue; + + $this->_getLineStyle(); + $this->_canvas->line(array('x0' => $x1, 'y0' => $y1, 'x1' => $x2, 'y1' => $y2)); + } + + $this->_canvas->endGroup(); + + return true; + } + +} + +?>
\ No newline at end of file diff --git a/config/archive/dspam/pear/Image/Graph/Axis/Radar.php b/config/archive/dspam/pear/Image/Graph/Axis/Radar.php new file mode 100644 index 00000000..7348254c --- /dev/null +++ b/config/archive/dspam/pear/Image/Graph/Axis/Radar.php @@ -0,0 +1,204 @@ +<?php + +/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ + +/** + * Class for axis handling. + * + * PHP versions 4 and 5 + * + * LICENSE: This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or (at your + * option) any later version. This library is distributed in the hope that it + * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser + * General Public License for more details. You should have received a copy of + * the GNU Lesser General Public License along with this library; if not, write + * to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + * + * @category Images + * @package Image_Graph + * @subpackage Axis + * @author Jesper Veggerby <pear.nosey@veggerby.dk> + * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version CVS: $Id$ + * @link http://pear.php.net/package/Image_Graph + */ + +/** + * Include file Image/Graph/Axis/Category.php + */ +require_once 'Image/Graph/Axis/Category.php'; + +/** + * Displays an 'X'-axis in a radar plot chart. + * + * This axis maps the number of elements in the dataset to a angle (from 0- + * 360 degrees). Displaying the axis consist of drawing a number of lines from + * center to the edge of the 'circle' than encloses the radar plot. The labels + * are drawn on the 'ends' of these radial lines. + * + * @category Images + * @package Image_Graph + * @subpackage Axis + * @author Jesper Veggerby <pear.nosey@veggerby.dk> + * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version Release: @package_version@ + * @link http://pear.php.net/package/Image_Graph + */ +class Image_Graph_Axis_Radar extends Image_Graph_Axis_Category +{ + + /** + * Specifies the number of pixels, the labels is offsetted from the end of + * the axis + * + * @var int + * @access private + */ + var $_distanceFromEnd = 5; + + /** + * Gets the minimum value the axis will show. + * + * This is always 0 + * + * @return double The minumum value + * @access private + */ + function _getMinimum() + { + return 0; + } + + /** + * Gets the maximum value the axis will show. + * + * This is always the number of labels passed to the constructor. + * + * @return double The maximum value + * @access private + */ + function _getMaximum() + { + return count($this->_labels); + } + + /** + * Calculate the delta value (the number of pixels representing one unit + * on the axis) + * + * @return double The label interval + * @access private + */ + function _calcDelta() + { + if (abs($this->_getMaximum() - $this->_getMinimum()) == 0) { + $this->_delta = false; + } else { + $this->_delta = 360 / ($this->_getMaximum() - $this->_getMinimum()); + } + } + + /** + * Get the pixel position represented by a value on the canvas + * + * @param double $value the value to get the pixel-point for + * @return double The pixel position along the axis + * @access private + */ + function _point($value) + { + return (90 + (int) ($this->_value($value) * $this->_delta)) % 360; + } + + /** + * Get the size in pixels of the axis. + * + * For a radar plot this is always 0 + * + * @return int The size of the axis + * @access private + */ + function _size() + { + return 0; + } + + /** + * Sets the distance from the end of the category lines to the label. + * + * @param int $distance The distance in pixels + */ + function setDistanceFromEnd($distance = 5) + { + $this->_distanceFromEnd = $distance; + } + + /** + * Draws axis lines. + * + * @access private + */ + function _drawAxisLines() + { + } + + /** + * Output an axis tick mark. + * + * @param int $value The value to output + * @access private + */ + function _drawTick($value, $level = 1) + { + $centerX = (int) (($this->_left + $this->_right) / 2); + $centerY = (int) (($this->_top + $this->_bottom) / 2); + + $radius = min($this->height(), $this->width()) / 2; + + $endPoint = array ('X' => $value, 'Y' => '#max#'); + $dX = $this->_pointX($endPoint); + $dY = $this->_pointY($endPoint); + + $offX = ($dX - $centerX); + $offY = ($dY - $centerY); + + $hyp = sqrt($offX*$offX + $offY*$offY); + if ($hyp != 0) { + $scale = $this->_distanceFromEnd / $hyp; + } else { + $scale = 1; + } + + $adX = $dX + $offX * $scale; + $adY = $dY + $offY * $scale; + + if (is_object($this->_dataPreProcessor)) { + $labelText = $this->_dataPreProcessor->_process($value); + } else { + $labelText = $value; + } + + if ((abs($dX - $centerX) < 1.5) && ($dY < $centerY)) { + $align = IMAGE_GRAPH_ALIGN_BOTTOM + IMAGE_GRAPH_ALIGN_CENTER_X; + } elseif ((abs($dX - $centerX) < 1.5) && ($dY > $centerY)) { + $align = IMAGE_GRAPH_ALIGN_TOP + IMAGE_GRAPH_ALIGN_CENTER_X; + } elseif ($dX < $centerX) { + $align = IMAGE_GRAPH_ALIGN_RIGHT + IMAGE_GRAPH_ALIGN_CENTER_Y; + } else { + $align = IMAGE_GRAPH_ALIGN_LEFT + IMAGE_GRAPH_ALIGN_CENTER_Y; + } + $this->write($adX, $adY, $labelText, $align); + + $this->_getLineStyle(); + $this->_canvas->line(array('x0' => $centerX, 'y0' => $centerY, 'x1' => $dX, 'y1' => $dY)); + } + +} + +?>
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