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<?php |
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/** |
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* JPGraph v4.0.3 |
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*/ |
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namespace Amenadiel\JpGraph\Graph; |
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use Amenadiel\JpGraph\Util; |
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/** |
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* @class LinearTicks |
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* // Description: Draw linear ticks on axis |
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*/ |
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class LinearTicks extends Ticks |
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{ |
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public $minor_step = 1; |
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public $major_step = 2; |
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public $xlabel_offset = 0; |
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public $xtick_offset = 0; |
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private $label_offset = 0; // What offset should the displayed label have |
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// i.e should we display 0,1,2 or 1,2,3,4 or 2,3,4 etc |
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private $text_label_start = 0; |
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private $iManualTickPos; |
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private $iManualMinTickPos; |
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private $iManualTickLabels; |
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private $iAdjustForDST = false; // If a date falls within the DST period add one hour to the diaplyed time |
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public function __construct() |
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{ |
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$this->precision = -1; |
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} |
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// Return major step size in world coordinates |
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public function GetMajor() |
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{ |
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return $this->major_step; |
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} |
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// Return minor step size in world coordinates |
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public function GetMinor() |
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{ |
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return $this->minor_step; |
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} |
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// Set Minor and Major ticks (in world coordinates) |
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public function Set($aMajStep, $aMinStep = false) |
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{ |
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if ($aMinStep == false) { |
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$aMinStep = $aMajStep; |
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} |
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if ($aMajStep <= 0 || $aMinStep <= 0) { |
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Util\JpGraphError::RaiseL(25064); |
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//(" Minor or major step size is 0. Check that you haven't got an accidental SetTextTicks(0) in your code. If this is not the case you might have stumbled upon a bug in JpGraph. Please report this and if possible include the data that caused the problem."); |
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} |
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$this->major_step = $aMajStep; |
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$this->minor_step = $aMinStep; |
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$this->is_set = true; |
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} |
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public function SetMajTickPositions($aMajPos, $aLabels = null) |
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{ |
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$this->SetTickPositions($aMajPos, null, $aLabels); |
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} |
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public function SetTickPositions($aMajPos, $aMinPos = null, $aLabels = null) |
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{ |
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if (!is_array($aMajPos) || ($aMinPos !== null && !is_array($aMinPos))) { |
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Util\JpGraphError::RaiseL(25065); //('Tick positions must be specifued as an array()'); |
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return; |
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} |
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$n = safe_count($aMajPos); |
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if (is_array($aLabels) && (safe_count($aLabels) != $n)) { |
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Util\JpGraphError::RaiseL(25066); //('When manually specifying tick positions and labels the number of labels must be the same as the number of specified ticks.'); |
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} |
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$this->iManualTickPos = $aMajPos; |
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$this->iManualMinTickPos = $aMinPos; |
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$this->iManualTickLabels = $aLabels; |
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} |
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public function HaveManualLabels() |
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{ |
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return safe_count($this->iManualTickLabels) > 0; |
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} |
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// Specify all the tick positions manually and possible also the exact labels |
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public function _doManualTickPos($aScale) |
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{ |
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$n = safe_count($this->iManualTickPos); |
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$m = safe_count($this->iManualMinTickPos); |
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$doLbl = safe_count($this->iManualTickLabels) > 0; |
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$this->maj_ticks_pos = []; |
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$this->maj_ticklabels_pos = []; |
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$this->ticks_pos = []; |
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// Now loop through the supplied positions and translate them to screen coordinates |
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// and store them in the maj_label_positions |
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$minScale = $aScale->scale[0]; |
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$maxScale = $aScale->scale[1]; |
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$j = 0; |
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for ($i = 0; $i < $n; ++$i) { |
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// First make sure that the first tick is not lower than the lower scale value |
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if (!isset($this->iManualTickPos[$i]) || $this->iManualTickPos[$i] < $minScale || $this->iManualTickPos[$i] > $maxScale) { |
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continue; |
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} |
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$this->maj_ticks_pos[$j] = $aScale->Translate($this->iManualTickPos[$i]); |
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$this->maj_ticklabels_pos[$j] = $this->maj_ticks_pos[$j]; |
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// Set the minor tick marks the same as major if not specified |
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if ($m <= 0) { |
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$this->ticks_pos[$j] = $this->maj_ticks_pos[$j]; |
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} |
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if ($doLbl) { |
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$this->maj_ticks_label[$j] = $this->iManualTickLabels[$i]; |
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} else { |
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$this->maj_ticks_label[$j] = $this->_doLabelFormat($this->iManualTickPos[$i], $i, $n); |
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} |
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++$j; |
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} |
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// Some sanity check |
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if (safe_count($this->maj_ticks_pos) < 2) { |
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Util\JpGraphError::RaiseL(25067); //('Your manually specified scale and ticks is not correct. The scale seems to be too small to hold any of the specified tickl marks.'); |
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} |
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// Setup the minor tick marks |
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$j = 0; |
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for ($i = 0; $i < $m; ++$i) { |
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if (empty($this->iManualMinTickPos[$i]) || $this->iManualMinTickPos[$i] < $minScale || $this->iManualMinTickPos[$i] > $maxScale) { |
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continue; |
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} |
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$this->ticks_pos[$j] = $aScale->Translate($this->iManualMinTickPos[$i]); |
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++$j; |
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} |
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} |
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public function _doAutoTickPos($aScale) |
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{ |
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$maj_step_abs = $aScale->scale_factor * $this->major_step; |
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$min_step_abs = $aScale->scale_factor * $this->minor_step; |
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if ($min_step_abs == 0 || $maj_step_abs == 0) { |
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Util\JpGraphError::RaiseL(25068); //("A plot has an illegal scale. This could for example be that you are trying to use text autoscaling to draw a line plot with only one point or that the plot area is too small. It could also be that no input data value is numeric (perhaps only '-' or 'x')"); |
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} |
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// We need to make this an int since comparing it below |
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// with the result from round() can give wrong result, such that |
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// (40 < 40) == TRUE !!! |
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$limit = (int) $aScale->scale_abs[1]; |
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if ($aScale->textscale) { |
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// This can only be true for a X-scale (horizontal) |
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// Define ticks for a text scale. This is slightly different from a |
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// normal linear type of scale since the position might be adjusted |
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// and the labels start at on |
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$label = (float) $aScale->GetMinVal() + $this->text_label_start + $this->label_offset; |
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$start_abs = $aScale->scale_factor * $this->text_label_start; |
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$nbrmajticks = round(($aScale->GetMaxVal() - $aScale->GetMinVal() - $this->text_label_start) / $this->major_step) + 1; |
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$x = $aScale->scale_abs[0] + $start_abs + $this->xlabel_offset * $min_step_abs; |
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for ($i = 0; $label <= $aScale->GetMaxVal() + $this->label_offset; ++$i) { |
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// Apply format to label |
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$this->maj_ticks_label[$i] = $this->_doLabelFormat($label, $i, $nbrmajticks); |
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$label += $this->major_step; |
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// The x-position of the tick marks can be different from the labels. |
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// Note that we record the tick position (not the label) so that the grid |
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// happen upon tick marks and not labels. |
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$xtick = $aScale->scale_abs[0] + $start_abs + $this->xtick_offset * $min_step_abs + $i * $maj_step_abs; |
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$this->maj_ticks_pos[$i] = $xtick; |
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$this->maj_ticklabels_pos[$i] = round($x); |
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$x += $maj_step_abs; |
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} |
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} else { |
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$label = $aScale->GetMinVal(); |
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$abs_pos = $aScale->scale_abs[0]; |
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$j = 0; |
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$i = 0; |
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$step = round($maj_step_abs / $min_step_abs); |
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if ($aScale->type == 'x') { |
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// For a normal linear type of scale the major ticks will always be multiples |
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// of the minor ticks. In order to avoid any rounding issues the major ticks are |
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// defined as every "step" minor ticks and not calculated separately |
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$nbrmajticks = round(($aScale->GetMaxVal() - $aScale->GetMinVal() - $this->text_label_start) / $this->major_step) + 1; |
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while (round($abs_pos) <= $limit) { |
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$this->ticks_pos[] = round($abs_pos); |
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$this->ticks_label[] = $label; |
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if ($step == 0 || $i % $step == 0 && $j < $nbrmajticks) { |
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$this->maj_ticks_pos[$j] = round($abs_pos); |
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$this->maj_ticklabels_pos[$j] = round($abs_pos); |
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$this->maj_ticks_label[$j] = $this->_doLabelFormat($label, $j, $nbrmajticks); |
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++$j; |
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} |
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++$i; |
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$abs_pos += $min_step_abs; |
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$label += $this->minor_step; |
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} |
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} elseif ($aScale->type == 'y') { |
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//@todo s=2:20,12 s=1:50,6 $this->major_step:$nbr |
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// abs_point,limit s=1:270,80 s=2:540,160 |
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// $this->major_step = 50; |
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$nbrmajticks = round(($aScale->GetMaxVal() - $aScale->GetMinVal()) / $this->major_step) + 1; |
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// $step = 5; |
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while (round($abs_pos) >= $limit) { |
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$this->ticks_pos[$i] = round($abs_pos); |
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$this->ticks_label[$i] = $label; |
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if ($step == 0 || $i % $step == 0 && $j < $nbrmajticks) { |
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$this->maj_ticks_pos[$j] = round($abs_pos); |
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$this->maj_ticklabels_pos[$j] = round($abs_pos); |
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$this->maj_ticks_label[$j] = $this->_doLabelFormat($label, $j, $nbrmajticks); |
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++$j; |
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} |
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++$i; |
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$abs_pos += $min_step_abs; |
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$label += $this->minor_step; |
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} |
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} |
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} |
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} |
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public function AdjustForDST($aFlg = true) |
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{ |
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$this->iAdjustForDST = $aFlg; |
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} |
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public function _doLabelFormat($aVal, $aIdx, $aNbrTicks) |
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{ |
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// If precision hasn't been specified set it to a sensible value |
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19 |
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if ($this->precision == -1) { |
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19 |
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$t = log10($this->minor_step); |
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19 |
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if ($t > 0) { |
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16 |
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$precision = 0; |
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} else { |
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$precision = -floor($t); |
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} |
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} else { |
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$precision = $this->precision; |
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} |
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19 |
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if ($this->label_formfunc != '') { |
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2 |
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$f = $this->label_formfunc; |
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245
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2 |
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if ($this->label_formatstr == '') { |
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2 |
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$l = call_user_func($f, $aVal); |
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} else { |
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248
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2 |
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$l = sprintf($this->label_formatstr, call_user_func($f, $aVal)); |
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249
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} |
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250
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19 |
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} elseif ($this->label_formatstr != '' || $this->label_dateformatstr != '') { |
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251
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2 |
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if ($this->label_usedateformat) { |
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252
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// Adjust the value to take daylight savings into account |
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253
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1 |
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if (date('I', $aVal) == 1 && $this->iAdjustForDST) { |
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// DST |
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255
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$aVal += 3600; |
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256
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} |
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257
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258
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1 |
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$l = date($this->label_formatstr, $aVal); |
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1 |
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if ($this->label_formatstr == 'W') { |
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// If we use week formatting then add a single 'w' in front of the |
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// week number to differentiate it from dates |
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1 |
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$l = 'w' . $l; |
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} |
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264
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} else { |
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265
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2 |
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if ($this->label_dateformatstr !== '') { |
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266
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// Adjust the value to take daylight savings into account |
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267
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1 |
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if (date('I', $aVal) == 1 && $this->iAdjustForDST) { |
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// DST |
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$aVal += 3600; |
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} |
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1 |
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$l = date($this->label_dateformatstr, $aVal); |
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273
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1 |
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if ($this->label_formatstr == 'W') { |
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274
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// If we use week formatting then add a single 'w' in front of the |
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275
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// week number to differentiate it from dates |
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276
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1 |
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$l = 'w' . $l; |
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277
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} |
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278
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} else { |
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279
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2 |
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$l = sprintf($this->label_formatstr, $aVal); |
|
280
|
|
|
} |
|
281
|
|
|
} |
|
282
|
|
|
} else { |
|
283
|
|
|
//FIX: if negative precision is returned "0f" , instead of formatted values |
|
284
|
19 |
|
$format = $precision > 0 ? '%01.' . $precision . 'f' : '%01.0f'; |
|
285
|
19 |
|
$l = sprintf($format, round($aVal, $precision)); |
|
|
|
|
|
|
286
|
|
|
} |
|
287
|
|
|
|
|
288
|
19 |
|
if (($this->supress_zerolabel && $l == 0) || ($this->supress_first && $aIdx == 0) || ($this->supress_last && $aIdx == $aNbrTicks - 1)) { |
|
289
|
9 |
|
$l = ''; |
|
290
|
|
|
} |
|
291
|
|
|
|
|
292
|
19 |
|
return $l; |
|
293
|
|
|
} |
|
294
|
|
|
|
|
295
|
|
|
// Stroke ticks on either X or Y axis |
|
296
|
19 |
|
public function _StrokeTicks($aImg, $aScale, $aPos) |
|
297
|
|
|
{ |
|
298
|
19 |
|
$hor = $aScale->type == 'x'; |
|
299
|
19 |
|
$aImg->SetLineWeight($this->weight); |
|
300
|
|
|
|
|
301
|
|
|
// We need to make this an int since comparing it below |
|
302
|
|
|
// with the result from round() can give wrong result, such that |
|
303
|
|
|
// (40 < 40) == TRUE !!! |
|
304
|
19 |
|
$limit = (int) $aScale->scale_abs[1]; |
|
|
|
|
|
|
305
|
|
|
|
|
306
|
|
|
// A text scale doesn't have any minor ticks |
|
307
|
19 |
|
if (!$aScale->textscale) { |
|
308
|
|
|
// Stroke minor ticks |
|
309
|
19 |
|
$yu = $aPos - $this->direction * $this->GetMinTickAbsSize(); |
|
310
|
19 |
|
$xr = $aPos + $this->direction * $this->GetMinTickAbsSize(); |
|
311
|
19 |
|
$n = safe_count($this->ticks_pos); |
|
312
|
19 |
|
for ($i = 0; $i < $n; ++$i) { |
|
313
|
19 |
|
if (!$this->supress_tickmarks && !$this->supress_minor_tickmarks) { |
|
314
|
3 |
|
if ($this->mincolor != '') { |
|
315
|
|
|
$aImg->PushColor($this->mincolor); |
|
316
|
|
|
} |
|
317
|
3 |
|
if ($hor) { |
|
318
|
|
|
//if( $this->ticks_pos[$i] <= $limit ) |
|
319
|
1 |
|
$aImg->Line($this->ticks_pos[$i], $aPos, $this->ticks_pos[$i], $yu); |
|
320
|
|
|
} else { |
|
321
|
|
|
//if( $this->ticks_pos[$i] >= $limit ) |
|
322
|
3 |
|
$aImg->Line($aPos, $this->ticks_pos[$i], $xr, $this->ticks_pos[$i]); |
|
323
|
|
|
} |
|
324
|
3 |
|
if ($this->mincolor != '') { |
|
325
|
|
|
$aImg->PopColor(); |
|
326
|
|
|
} |
|
327
|
|
|
} |
|
328
|
|
|
} |
|
329
|
|
|
} |
|
330
|
|
|
|
|
331
|
|
|
// Stroke major ticks |
|
332
|
19 |
|
$yu = $aPos - $this->direction * $this->GetMajTickAbsSize(); |
|
333
|
19 |
|
$xr = $aPos + $this->direction * $this->GetMajTickAbsSize(); |
|
334
|
19 |
|
$nbrmajticks = round(($aScale->GetMaxVal() - $aScale->GetMinVal() - $this->text_label_start) / $this->major_step) + 1; |
|
335
|
19 |
|
$n = safe_count($this->maj_ticks_pos); |
|
336
|
19 |
|
for ($i = 0; $i < $n; ++$i) { |
|
337
|
19 |
|
if (!($this->xtick_offset > 0 && $i == $nbrmajticks - 1) && !$this->supress_tickmarks) { |
|
338
|
5 |
|
if ($this->majcolor != '') { |
|
339
|
|
|
$aImg->PushColor($this->majcolor); |
|
340
|
|
|
} |
|
341
|
5 |
|
if ($hor) { |
|
342
|
|
|
//if( $this->maj_ticks_pos[$i] <= $limit ) |
|
343
|
2 |
|
$aImg->Line($this->maj_ticks_pos[$i], $aPos, $this->maj_ticks_pos[$i], $yu); |
|
344
|
|
|
} else { |
|
345
|
|
|
//if( $this->maj_ticks_pos[$i] >= $limit ) |
|
346
|
4 |
|
$aImg->Line($aPos, $this->maj_ticks_pos[$i], $xr, $this->maj_ticks_pos[$i]); |
|
347
|
|
|
} |
|
348
|
5 |
|
if ($this->majcolor != '') { |
|
349
|
|
|
$aImg->PopColor(); |
|
350
|
|
|
} |
|
351
|
|
|
} |
|
352
|
|
|
} |
|
353
|
19 |
|
} |
|
354
|
|
|
|
|
355
|
|
|
// Draw linear ticks |
|
356
|
19 |
|
public function Stroke($aImg, $aScale, $aPos) |
|
357
|
|
|
{ |
|
358
|
19 |
|
if ($this->iManualTickPos != null) { |
|
359
|
2 |
|
$this->_doManualTickPos($aScale); |
|
360
|
|
|
} else { |
|
361
|
19 |
|
$this->_doAutoTickPos($aScale); |
|
362
|
|
|
} |
|
363
|
19 |
|
$this->_StrokeTicks($aImg, $aScale, $aPos, $aScale->type == 'x'); |
|
|
|
|
|
|
364
|
19 |
|
} |
|
365
|
|
|
|
|
366
|
|
|
/** |
|
367
|
|
|
* PRIVATE METHODS. |
|
368
|
|
|
* |
|
369
|
|
|
* @param mixed $aLabelOff |
|
370
|
|
|
* @param mixed $aTickOff |
|
371
|
|
|
*/ |
|
372
|
|
|
// Spoecify the offset of the displayed tick mark with the tick "space" |
|
373
|
|
|
// Legal values for $o is [0,1] used to adjust where the tick marks and label |
|
374
|
|
|
// should be positioned within the major tick-size |
|
375
|
|
|
// $lo specifies the label offset and $to specifies the tick offset |
|
376
|
|
|
// this comes in handy for example in bar graphs where we wont no offset for the |
|
377
|
|
|
// tick but have the labels displayed halfway under the bars. |
|
378
|
18 |
|
public function SetXLabelOffset($aLabelOff, $aTickOff = -1) |
|
379
|
|
|
{ |
|
380
|
18 |
|
$this->xlabel_offset = $aLabelOff; |
|
381
|
18 |
|
if ($aTickOff == -1) { |
|
382
|
|
|
// Same as label offset |
|
383
|
16 |
|
$this->xtick_offset = $aLabelOff; |
|
384
|
|
|
} else { |
|
385
|
3 |
|
$this->xtick_offset = $aTickOff; |
|
386
|
|
|
} |
|
387
|
18 |
|
if ($aLabelOff > 0) { |
|
388
|
8 |
|
$this->SupressLast(); // The last tick wont fit |
|
389
|
|
|
} |
|
390
|
18 |
|
} |
|
391
|
|
|
|
|
392
|
|
|
// Which tick label should we start with? |
|
393
|
2 |
|
public function SetTextLabelStart($aTextLabelOff) |
|
394
|
|
|
{ |
|
395
|
2 |
|
$this->text_label_start = $aTextLabelOff; |
|
396
|
2 |
|
} |
|
397
|
|
|
} // @class |
|
398
|
|
|
|
HuasoFoundries /
jpgraph
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