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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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class PolarGraph extends Graph |
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{ |
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public $scale; |
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public $axis; |
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public $iType = POLAR_360; |
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private $iClockwise = false; |
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public function __construct($aWidth = 300, $aHeight = 200, $aCachedName = '', $aTimeOut = 0, $aInline = true) |
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{ |
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parent::__construct($aWidth, $aHeight, $aCachedName, $aTimeOut, $aInline); |
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$this->SetDensity(TICKD_DENSE); |
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$this->SetBox(); |
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$this->SetMarginColor('white'); |
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} |
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public function SetDensity($aDense) |
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{ |
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$this->SetTickDensity(TICKD_NORMAL, $aDense); |
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} |
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public function SetClockwise($aFlg) |
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{ |
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$this->scale->SetClockwise($aFlg); |
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} |
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public function Set90AndMargin($lm = 0, $rm = 0, $tm = 0, $bm = 0) |
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{ |
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$adj = ($this->img->height - $this->img->width) / 2; |
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$this->SetAngle(90); |
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$lm2 = -$adj + ($lm - $rm + $tm + $bm) / 2; |
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$rm2 = -$adj + (-$lm + $rm + $tm + $bm) / 2; |
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$tm2 = $adj + ($tm - $bm + $lm + $rm) / 2; |
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$bm2 = $adj + (-$tm + $bm + $lm + $rm) / 2; |
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$this->SetMargin($lm2, $rm2, $tm2, $bm2); |
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$this->axis->SetLabelAlign('right', 'center'); |
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} |
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public function SetScale($aScale, $rmax = 0, $dummy1 = 1, $dummy2 = 1, $dummy3 = 1) |
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{ |
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if ($aScale == 'lin') { |
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$this->scale = new PolarScale($rmax, $this, $this->iClockwise); |
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} elseif ($aScale == 'log') { |
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$this->scale = new PolarLogScale($rmax, $this, $this->iClockwise); |
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} else { |
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Util\JpGraphError::RaiseL(17004); //('Unknown scale type for polar graph. Must be "lin" or "log"'); |
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} |
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$this->axis = new PolarAxis($this->img, $this->scale); |
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$this->SetMargin(40, 40, 50, 40); |
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} |
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public function SetType($aType) |
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{ |
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$this->iType = $aType; |
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} |
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public function SetPlotSize($w, $h) |
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{ |
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$this->SetMargin( |
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($this->img->width - $w) / 2, |
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($this->img->width - $w) / 2, |
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($this->img->height - $h) / 2, |
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($this->img->height - $h) / 2 |
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); |
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} |
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// Private methods |
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public function GetPlotsMax() |
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{ |
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$n = safe_count($this->plots); |
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$m = $this->plots[0]->Max(); |
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$i = 1; |
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while ($i < $n) { |
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$m = max($this->plots[$i]->Max(), $m); |
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++$i; |
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} |
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return $m; |
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} |
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public function Stroke($aStrokeFileName = '') |
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{ |
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// Start by adjusting the margin so that potential titles will fit. |
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$this->AdjustMarginsForTitles(); |
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// If the filename is the predefined value = '_csim_special_' |
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// we assume that the call to stroke only needs to do enough |
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// to correctly generate the CSIM maps. |
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// We use this variable to skip things we don't strictly need |
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// to do to generate the image map to improve performance |
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// a best we can. Therefor you will see a lot of tests !$_csim in the |
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// code below. |
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$_csim = ($aStrokeFileName === _CSIM_SPECIALFILE); |
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// We need to know if we have stroked the plot in the |
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// GetCSIMareas. Otherwise the CSIM hasn't been generated |
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// and in the case of GetCSIM called before stroke to generate |
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// CSIM without storing an image to disk GetCSIM must call Stroke. |
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$this->iHasStroked = true; |
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//Check if we should autoscale axis |
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if (!$this->scale->IsSpecified() && safe_count($this->plots) > 0) { |
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$max = $this->GetPlotsMax(); |
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$t1 = $this->img->plotwidth; |
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$this->img->plotwidth /= 2; |
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$t2 = $this->img->left_margin; |
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$this->img->left_margin += $this->img->plotwidth + 1; |
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$this->scale->AutoScale( |
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$this->img, |
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0, |
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$max, |
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$this->img->plotwidth / $this->xtick_factor / 2 |
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); |
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$this->img->plotwidth = $t1; |
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$this->img->left_margin = $t2; |
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} else { |
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// The tick calculation will use the user suplied min/max values to determine |
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// the ticks. If auto_ticks is false the exact user specifed min and max |
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// values will be used for the scale. |
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// If auto_ticks is true then the scale might be slightly adjusted |
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// so that the min and max values falls on an even major step. |
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//$min = 0; |
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$max = $this->scale->scale[1]; |
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$t1 = $this->img->plotwidth; |
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$this->img->plotwidth /= 2; |
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$t2 = $this->img->left_margin; |
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$this->img->left_margin += $this->img->plotwidth + 1; |
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$this->scale->AutoScale( |
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$this->img, |
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0, |
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$max, |
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$this->img->plotwidth / $this->xtick_factor / 2 |
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); |
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$this->img->plotwidth = $t1; |
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$this->img->left_margin = $t2; |
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} |
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if ($this->iType == POLAR_180) { |
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$pos = $this->img->height - $this->img->bottom_margin; |
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} else { |
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$pos = $this->img->plotheight / 2 + $this->img->top_margin; |
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} |
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if (!$_csim) { |
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$this->StrokePlotArea(); |
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} |
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$this->iDoClipping = true; |
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if ($this->iDoClipping) { |
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$oldimage = $this->img->CloneCanvasH(); |
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} |
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if (!$_csim) { |
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$this->axis->StrokeGrid($pos); |
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} |
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// Stroke all plots for Y1 axis |
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for ($i = 0; $i < safe_count($this->plots); ++$i) { |
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$this->plots[$i]->Stroke($this->img, $this->scale); |
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} |
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if ($this->iDoClipping) { |
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// Clipping only supports graphs at 0 and 90 degrees |
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if ($this->img->a == 0) { |
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$this->img->CopyCanvasH( |
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$oldimage, |
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$this->img->img, |
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$this->img->left_margin, |
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$this->img->top_margin, |
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$this->img->left_margin, |
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$this->img->top_margin, |
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$this->img->plotwidth + 1, |
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$this->img->plotheight + 1 |
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); |
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} elseif ($this->img->a == 90) { |
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$adj1 = round(($this->img->height - $this->img->width) / 2); |
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$adj2 = round(($this->img->width - $this->img->height) / 2); |
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$lm = $this->img->left_margin; |
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$rm = $this->img->right_margin; |
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$tm = $this->img->top_margin; |
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$bm = $this->img->bottom_margin; |
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$this->img->CopyCanvasH( |
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$oldimage, |
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$this->img->img, |
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$adj2 + round(($lm - $rm + $tm + $bm) / 2), |
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$adj1 + round(($tm - $bm + $lm + $rm) / 2), |
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$adj2 + round(($lm - $rm + $tm + $bm) / 2), |
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$adj1 + round(($tm - $bm + $lm + $rm) / 2), |
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$this->img->plotheight + 1, |
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$this->img->plotwidth + 1 |
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); |
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} |
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$this->img->Destroy(); |
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$this->img->SetCanvasH($oldimage); |
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} |
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if (!$_csim) { |
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$this->axis->Stroke($pos); |
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$this->axis->StrokeAngleLabels($pos, $this->iType); |
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} |
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if (!$_csim) { |
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$this->StrokePlotBox(); |
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$this->footer->Stroke($this->img); |
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// The titles and legends never gets rotated so make sure |
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// that the angle is 0 before stroking them |
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$aa = $this->img->SetAngle(0); |
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$this->StrokeTitles(); |
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} |
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for ($i = 0; $i < safe_count($this->plots); ++$i) { |
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$this->plots[$i]->Legend($this); |
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} |
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$this->legend->Stroke($this->img); |
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if (!$_csim) { |
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$this->StrokeTexts(); |
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$this->img->SetAngle($aa); |
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// Draw an outline around the image map |
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if (_JPG_DEBUG) { |
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$this->DisplayClientSideaImageMapAreas(); |
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} |
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// If the filename is given as the special "__handle" |
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// then the image handler is returned and the image is NOT |
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// streamed back |
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if ($aStrokeFileName == _IMG_HANDLER) { |
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return $this->img->img; |
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} |
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// Finally stream the generated picture |
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$this->cache->PutAndStream($this->img, $this->cache_name, $this->inline, $aStrokeFileName); |
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} |
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} |
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} |
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