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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 Grid |
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* // Description: responsible for drawing grid lines in graph |
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*/ |
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class Grid |
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{ |
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protected $img; |
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protected $scale; |
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protected $majorcolor = '#CCCCCC'; |
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protected $minorcolor = '#DDDDDD'; |
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protected $majortype = 'solid'; |
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protected $minortype = 'solid'; |
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protected $show = false; |
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protected $showMinor = false; |
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protected $majorweight = 1; |
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protected $minorweight = 1; |
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protected $fill = false; |
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protected $fillcolor = ['#EFEFEF', '#BBCCFF']; |
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public function __construct($aAxis) |
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{ |
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$this->scale = $aAxis->scale; |
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$this->img = $aAxis->img; |
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} |
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public function SetColor($aMajColor, $aMinColor = false) |
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{ |
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$this->majorcolor = $aMajColor; |
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if ($aMinColor === false) { |
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$aMinColor = $aMajColor; |
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} |
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$this->minorcolor = $aMinColor; |
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} |
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public function SetWeight($aMajorWeight, $aMinorWeight = 1) |
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{ |
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$this->majorweight = $aMajorWeight; |
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$this->minorweight = $aMinorWeight; |
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} |
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// Specify if grid should be dashed, dotted or solid |
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public function SetLineStyle($aMajorType, $aMinorType = 'solid') |
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{ |
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$this->majortype = $aMajorType; |
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$this->minortype = $aMinorType; |
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} |
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public function SetStyle($aMajorType, $aMinorType = 'solid') |
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{ |
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$this->SetLineStyle($aMajorType, $aMinorType); |
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} |
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// Decide if both major and minor grid should be displayed |
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public function Show($aShowMajor = true, $aShowMinor = false) |
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{ |
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$this->show = $aShowMajor; |
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$this->showMinor = $aShowMinor; |
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} |
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public function SetFill($aFlg = true, $aColor1 = 'lightgray', $aColor2 = 'lightblue') |
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{ |
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$this->fill = $aFlg; |
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$this->fillcolor = [$aColor1, $aColor2]; |
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} |
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// Display the grid |
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public function Stroke() |
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{ |
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if ($this->showMinor && !$this->scale->textscale) { |
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$this->DoStroke($this->scale->ticks->ticks_pos, $this->minortype, $this->minorcolor, $this->minorweight); |
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$this->DoStroke($this->scale->ticks->maj_ticks_pos, $this->majortype, $this->majorcolor, $this->majorweight); |
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} else { |
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$this->DoStroke($this->scale->ticks->maj_ticks_pos, $this->majortype, $this->majorcolor, $this->majorweight); |
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} |
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} |
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/** |
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* Private methods |
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* // Draw the grid. |
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* |
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* @param mixed $aTicksPos |
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* @param mixed $aType |
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* @param mixed $aColor |
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* @param mixed $aWeight |
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*/ |
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public function DoStroke($aTicksPos, $aType, $aColor, $aWeight) |
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{ |
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$nbrgrids = safe_count($aTicksPos); |
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if (!$this->show || $nbrgrids === 0) { |
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return; |
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} |
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if ($this->scale->type == 'y') { |
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$xl = $this->img->left_margin; |
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$xr = $this->img->width - $this->img->right_margin; |
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if ($this->fill) { |
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// Draw filled areas |
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$y2 = $aTicksPos[0]; |
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$i = 1; |
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while ($i < $nbrgrids) { |
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$y1 = $y2; |
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$y2 = $aTicksPos[$i++]; |
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$this->img->SetColor($this->fillcolor[$i & 1]); |
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$this->img->FilledRectangle($xl, $y1, $xr, $y2); |
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} |
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} |
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$this->img->SetColor($aColor); |
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$this->img->SetLineWeight($aWeight); |
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// Draw grid lines |
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switch ($aType) { |
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case 'solid': |
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$style = LINESTYLE_SOLID; |
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break; |
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case 'dotted': |
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$style = LINESTYLE_DOTTED; |
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break; |
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case 'dashed': |
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$style = LINESTYLE_DASHED; |
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break; |
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case 'longdashed': |
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$style = LINESTYLE_LONGDASH; |
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break; |
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default: |
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$style = LINESTYLE_SOLID; |
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break; |
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} |
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for ($i = 0; $i < $nbrgrids; ++$i) { |
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$y = $aTicksPos[$i]; |
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$this->img->StyleLine($xl, $y, $xr, $y, $style, true); |
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} |
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} elseif ($this->scale->type == 'x') { |
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$yu = $this->img->top_margin; |
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$yl = $this->img->height - $this->img->bottom_margin; |
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$limit = $this->img->width - $this->img->right_margin; |
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if ($this->fill) { |
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// Draw filled areas |
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$x2 = $aTicksPos[0]; |
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$i = 1; |
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while ($i < $nbrgrids) { |
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$x1 = $x2; |
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$x2 = min($aTicksPos[$i++], $limit); |
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$this->img->SetColor($this->fillcolor[$i & 1]); |
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$this->img->FilledRectangle($x1, $yu, $x2, $yl); |
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} |
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} |
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$this->img->SetColor($aColor); |
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$this->img->SetLineWeight($aWeight); |
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// We must also test for limit since we might have |
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// an offset and the number of ticks is calculated with |
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// assumption offset==0 so we might end up drawing one |
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// to many gridlines |
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$i = 0; |
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$x = $aTicksPos[$i]; |
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while ($i < safe_count($aTicksPos) && ($x = $aTicksPos[$i]) <= $limit) { |
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if ($aType == 'solid') { |
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$this->img->Line($x, $yl, $x, $yu); |
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} elseif ($aType == 'dotted') { |
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$this->img->DashedLineForGrid($x, $yl, $x, $yu, 1, 6); |
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} elseif ($aType == 'dashed') { |
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$this->img->DashedLineForGrid($x, $yl, $x, $yu, 2, 4); |
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} elseif ($aType == 'longdashed') { |
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$this->img->DashedLineForGrid($x, $yl, $x, $yu, 8, 6); |
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} |
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++$i; |
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} |
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} else { |
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Util\JpGraphError::RaiseL(25054, $this->scale->type); //('Internal error: Unknown grid axis ['.$this->scale->type.']'); |
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} |
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return true; |
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} |
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} // @class |
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HuasoFoundries /
jpgraph
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