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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\Text; |
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use Amenadiel\JpGraph\Util; |
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/** |
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* @class PolarAxis |
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*/ |
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class PolarAxis extends Axis |
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{ |
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private $angle_step = 15; |
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private $angle_color = 'lightgray'; |
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private $angle_label_color = 'black'; |
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private $angle_fontfam = FF_FONT1; |
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private $angle_fontstyle = FS_NORMAL; |
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private $angle_fontsize = 10; |
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private $angle_fontcolor = 'navy'; |
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private $gridminor_color = 'lightgray'; |
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private $gridmajor_color = 'lightgray'; |
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private $show_minor_grid = false; |
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private $show_major_grid = true; |
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private $show_angle_mark = true; |
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private $show_angle_grid = true; |
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private $show_angle_label = true; |
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private $angle_tick_len = 3; |
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private $angle_tick_len2 = 3; |
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private $angle_tick_color = 'black'; |
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private $show_angle_tick = true; |
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private $radius_tick_color = 'black'; |
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public function __construct($img, $aScale) |
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{ |
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parent::__construct($img, $aScale); |
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} |
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public function ShowAngleDegreeMark($aFlg = true) |
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{ |
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$this->show_angle_mark = $aFlg; |
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} |
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public function SetAngleStep($aStep) |
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{ |
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$this->angle_step = $aStep; |
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} |
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public function HideTicks($aFlg = true, $aAngleFlg = true) |
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{ |
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parent::HideTicks($aFlg, $aFlg); |
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$this->show_angle_tick = !$aAngleFlg; |
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} |
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public function ShowAngleLabel($aFlg = true) |
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{ |
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$this->show_angle_label = $aFlg; |
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} |
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public function ShowGrid($aMajor = true, $aMinor = false, $aAngle = true) |
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{ |
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$this->show_minor_grid = $aMinor; |
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$this->show_major_grid = $aMajor; |
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$this->show_angle_grid = $aAngle; |
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} |
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public function SetAngleFont($aFontFam, $aFontStyle = FS_NORMAL, $aFontSize = 10) |
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{ |
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$this->angle_fontfam = $aFontFam; |
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$this->angle_fontstyle = $aFontStyle; |
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$this->angle_fontsize = $aFontSize; |
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} |
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public function SetColor($aColor, $aRadColor = '', $aAngleColor = '') |
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{ |
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if ($aAngleColor == '') { |
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$aAngleColor = $aColor; |
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} |
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parent::SetColor($aColor, $aRadColor); |
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$this->angle_fontcolor = $aAngleColor; |
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} |
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public function SetGridColor($aMajorColor, $aMinorColor = '', $aAngleColor = '') |
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{ |
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if ($aMinorColor == '') { |
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$aMinorColor = $aMajorColor; |
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} |
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if ($aAngleColor == '') { |
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$aAngleColor = $aMajorColor; |
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} |
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$this->gridminor_color = $aMinorColor; |
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$this->gridmajor_color = $aMajorColor; |
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$this->angle_color = $aAngleColor; |
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} |
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public function SetTickColors($aRadColor, $aAngleColor = '') |
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{ |
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$this->radius_tick_color = $aRadColor; |
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$this->angle_tick_color = $aAngleColor; |
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} |
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// Private methods |
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public function StrokeGrid($pos) |
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{ |
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$x = round($this->img->left_margin + $this->img->plotwidth / 2); |
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$this->scale->ticks->Stroke($this->img, $this->scale, $pos); |
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// Stroke the minor arcs |
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$pmin = []; |
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$p = $this->scale->ticks->ticks_pos; |
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$n = safe_count($p); |
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$i = 0; |
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$this->img->SetColor($this->gridminor_color); |
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while ($i < $n) { |
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$r = $p[$i] - $x + 1; |
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$pmin[] = $r; |
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if ($this->show_minor_grid) { |
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$this->img->Circle($x, $pos, $r); |
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} |
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++$i; |
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} |
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$limit = max($this->img->plotwidth, $this->img->plotheight) * 1.4; |
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while ($r < $limit) { |
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$off = $r; |
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$i = 1; |
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$r = $off + round($p[$i] - $x + 1); |
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while ($r < $limit && $i < $n) { |
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$r = $off + $p[$i] - $x; |
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$pmin[] = $r; |
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if ($this->show_minor_grid) { |
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$this->img->Circle($x, $pos, $r); |
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} |
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++$i; |
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} |
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} |
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// Stroke the major arcs |
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if ($this->show_major_grid) { |
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// First determine how many minor step on |
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// every major step. We have recorded the minor radius |
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// in pmin and use these values. This is done in order |
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// to avoid rounding errors if we were to recalculate the |
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// different major radius. |
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$pmaj = $this->scale->ticks->maj_ticks_pos; |
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$p = $this->scale->ticks->ticks_pos; |
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if ($this->scale->name == 'lin') { |
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$step = round(($pmaj[1] - $pmaj[0]) / ($p[1] - $p[0])); |
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} else { |
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$step = 9; |
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} |
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$n = round(safe_count($pmin) / $step); |
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$i = 0; |
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$this->img->SetColor($this->gridmajor_color); |
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$limit = max($this->img->plotwidth, $this->img->plotheight) * 1.4; |
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$off = $r; |
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$i = 0; |
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$r = $pmin[$i * $step]; |
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while ($r < $limit && $i < $n) { |
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$r = $pmin[$i * $step]; |
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$this->img->Circle($x, $pos, $r); |
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++$i; |
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} |
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} |
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// Draw angles |
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if ($this->show_angle_grid) { |
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$this->img->SetColor($this->angle_color); |
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$d = max($this->img->plotheight, $this->img->plotwidth) * 1.4; |
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$a = 0; |
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$p = $this->scale->ticks->ticks_pos; |
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$start_radius = $p[1] - $x; |
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while ($a < 360) { |
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if ($a == 90 || $a == 270) { |
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// Make sure there are no rounding problem with |
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// exactly vertical lines |
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$this->img->Line( |
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$x + $start_radius * cos($a / 180 * M_PI) + 1, |
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$pos - $start_radius * sin($a / 180 * M_PI), |
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$x + $start_radius * cos($a / 180 * M_PI) + 1, |
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$pos - $d * sin($a / 180 * M_PI) |
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); |
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} else { |
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$this->img->Line( |
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$x + $start_radius * cos($a / 180 * M_PI) + 1, |
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$pos - $start_radius * sin($a / 180 * M_PI), |
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$x + $d * cos($a / 180 * M_PI), |
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$pos - $d * sin($a / 180 * M_PI) |
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); |
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} |
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$a += $this->angle_step; |
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} |
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} |
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} |
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public function StrokeAngleLabels($pos, $type) |
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{ |
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if (!$this->show_angle_label) { |
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return; |
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} |
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$x0 = round($this->img->left_margin + $this->img->plotwidth / 2) + 1; |
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$d = max($this->img->plotwidth, $this->img->plotheight) * 1.42; |
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$a = $this->angle_step; |
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$t = new Text\Text(); |
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$t->SetColor($this->angle_fontcolor); |
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$t->SetFont($this->angle_fontfam, $this->angle_fontstyle, $this->angle_fontsize); |
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$xright = $this->img->width - $this->img->right_margin; |
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$ytop = $this->img->top_margin; |
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$xleft = $this->img->left_margin; |
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$ybottom = $this->img->height - $this->img->bottom_margin; |
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$ha = 'left'; |
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$va = 'center'; |
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$w = $this->img->plotwidth / 2; |
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$h = $this->img->plotheight / 2; |
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$xt = $x0; |
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$yt = $pos; |
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$margin = 5; |
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$tl = $this->angle_tick_len; // Outer len |
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$tl2 = $this->angle_tick_len2; // Interior len |
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$this->img->SetColor($this->angle_tick_color); |
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$rot90 = $this->img->a == 90; |
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if ($type == POLAR_360) { |
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// Corner angles of the four corners |
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$ca1 = atan($h / $w) / M_PI * 180; |
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$ca2 = 180 - $ca1; |
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$ca3 = $ca1 + 180; |
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$ca4 = 360 - $ca1; |
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$end = 360; |
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while ($a < $end) { |
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$ca = cos($a / 180 * M_PI); |
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$sa = sin($a / 180 * M_PI); |
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$x = $d * $ca; |
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$y = $d * $sa; |
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$xt = 1000; |
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$yt = 1000; |
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if ($a <= $ca1 || $a >= $ca4) { |
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$yt = $pos - $w * $y / $x; |
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$xt = $xright + $margin; |
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if ($rot90) { |
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$ha = 'center'; |
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$va = 'top'; |
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} else { |
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$ha = 'left'; |
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$va = 'center'; |
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} |
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$x1 = $xright - $tl2; |
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$x2 = $xright + $tl; |
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$y1 = $y2 = $yt; |
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} elseif ($a > $ca1 && $a < $ca2) { |
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$xt = $x0 + $h * $x / $y; |
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$yt = $ytop - $margin; |
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if ($rot90) { |
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$ha = 'left'; |
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$va = 'center'; |
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} else { |
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$ha = 'center'; |
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$va = 'bottom'; |
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} |
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$y1 = $ytop + $tl2; |
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$y2 = $ytop - $tl; |
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$x1 = $x2 = $xt; |
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} elseif ($a >= $ca2 && $a <= $ca3) { |
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$yt = $pos + $w * $y / $x; |
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$xt = $xleft - $margin; |
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if ($rot90) { |
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$ha = 'center'; |
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$va = 'bottom'; |
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} else { |
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$ha = 'right'; |
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$va = 'center'; |
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} |
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$x1 = $xleft + $tl2; |
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$x2 = $xleft - $tl; |
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$y1 = $y2 = $yt; |
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} else { |
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$xt = $x0 - $h * $x / $y; |
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$yt = $ybottom + $margin; |
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if ($rot90) { |
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$ha = 'right'; |
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$va = 'center'; |
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} else { |
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$ha = 'center'; |
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$va = 'top'; |
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} |
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$y1 = $ybottom - $tl2; |
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$y2 = $ybottom + $tl; |
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$x1 = $x2 = $xt; |
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} |
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if ($a != 0 && $a != 180) { |
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$t->Align($ha, $va); |
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if ($this->scale->clockwise) { |
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$t->Set(360 - $a); |
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} else { |
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$t->Set($a); |
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307
|
|
|
} |
|
308
|
|
|
if ($this->show_angle_mark && $t->font_family > 4) { |
|
309
|
|
|
$a .= SymChar::Get('degree'); |
|
310
|
|
|
} |
|
311
|
|
|
$t->Stroke($this->img, $xt, $yt); |
|
312
|
|
|
if ($this->show_angle_tick) { |
|
313
|
|
|
$this->img->Line($x1, $y1, $x2, $y2); |
|
314
|
|
|
} |
|
315
|
|
|
} |
|
316
|
|
|
$a += $this->angle_step; |
|
317
|
|
|
} |
|
318
|
|
|
} else { |
|
319
|
|
|
// POLAR_HALF |
|
320
|
|
|
$ca1 = atan($h / $w * 2) / M_PI * 180; |
|
321
|
|
|
$ca2 = 180 - $ca1; |
|
322
|
|
|
$end = 180; |
|
323
|
|
|
while ($a < $end) { |
|
324
|
|
|
$ca = cos($a / 180 * M_PI); |
|
325
|
|
|
$sa = sin($a / 180 * M_PI); |
|
326
|
|
|
$x = $d * $ca; |
|
327
|
|
|
$y = $d * $sa; |
|
328
|
|
|
if ($a <= $ca1) { |
|
329
|
|
|
$yt = $pos - $w * $y / $x; |
|
330
|
|
|
$xt = $xright + $margin; |
|
331
|
|
|
if ($rot90) { |
|
332
|
|
|
$ha = 'center'; |
|
333
|
|
|
$va = 'top'; |
|
334
|
|
|
} else { |
|
335
|
|
|
$ha = 'left'; |
|
336
|
|
|
$va = 'center'; |
|
337
|
|
|
} |
|
338
|
|
|
$x1 = $xright - $tl2; |
|
339
|
|
|
$x2 = $xright + $tl; |
|
340
|
|
|
$y1 = $y2 = $yt; |
|
341
|
|
|
} elseif ($a > $ca1 && $a < $ca2) { |
|
342
|
|
|
$xt = $x0 + 2 * $h * $x / $y; |
|
343
|
|
|
$yt = $ytop - $margin; |
|
344
|
|
|
if ($rot90) { |
|
345
|
|
|
$ha = 'left'; |
|
346
|
|
|
$va = 'center'; |
|
347
|
|
|
} else { |
|
348
|
|
|
$ha = 'center'; |
|
349
|
|
|
$va = 'bottom'; |
|
350
|
|
|
} |
|
351
|
|
|
$y1 = $ytop + $tl2; |
|
352
|
|
|
$y2 = $ytop - $tl; |
|
353
|
|
|
$x1 = $x2 = $xt; |
|
354
|
|
|
} elseif ($a >= $ca2) { |
|
355
|
|
|
$yt = $pos + $w * $y / $x; |
|
356
|
|
|
$xt = $xleft - $margin; |
|
357
|
|
|
if ($rot90) { |
|
358
|
|
|
$ha = 'center'; |
|
359
|
|
|
$va = 'bottom'; |
|
360
|
|
|
} else { |
|
361
|
|
|
$ha = 'right'; |
|
362
|
|
|
$va = 'center'; |
|
363
|
|
|
} |
|
364
|
|
|
$x1 = $xleft + $tl2; |
|
365
|
|
|
$x2 = $xleft - $tl; |
|
366
|
|
|
$y1 = $y2 = $yt; |
|
367
|
|
|
} |
|
368
|
|
|
$t->Align($ha, $va); |
|
369
|
|
|
if ($this->show_angle_mark && $t->font_family > 4) { |
|
370
|
|
|
$a .= SymChar::Get('degree'); |
|
371
|
|
|
} |
|
372
|
|
|
$t->Set($a); |
|
373
|
|
|
$t->Stroke($this->img, $xt, $yt); |
|
374
|
|
|
if ($this->show_angle_tick) { |
|
375
|
|
|
$this->img->Line($x1, $y1, $x2, $y2); |
|
|
|
|
|
|
376
|
|
|
} |
|
377
|
|
|
$a += $this->angle_step; |
|
378
|
|
|
} |
|
379
|
|
|
} |
|
380
|
|
|
} |
|
381
|
|
|
|
|
382
|
|
|
public function Stroke($pos, $dummy = true) |
|
383
|
|
|
{ |
|
384
|
|
|
$this->img->SetLineWeight($this->weight); |
|
385
|
|
|
$this->img->SetColor($this->color); |
|
386
|
|
|
$this->img->SetFont($this->font_family, $this->font_style, $this->font_size); |
|
387
|
|
|
if (!$this->hide_line) { |
|
388
|
|
|
$this->img->FilledRectangle( |
|
389
|
|
|
$this->img->left_margin, |
|
390
|
|
|
$pos, |
|
391
|
|
|
$this->img->width - $this->img->right_margin, |
|
392
|
|
|
$pos + $this->weight - 1 |
|
393
|
|
|
); |
|
394
|
|
|
} |
|
395
|
|
|
$y = $pos + $this->img->GetFontHeight() + $this->title_margin + $this->title->margin; |
|
396
|
|
|
if ($this->title_adjust == 'high') { |
|
397
|
|
|
$this->title->SetPos($this->img->width - $this->img->right_margin, $y, 'right', 'top'); |
|
398
|
|
|
} elseif ($this->title_adjust == 'middle' || $this->title_adjust == 'center') { |
|
399
|
|
|
$this->title->SetPos( |
|
400
|
|
|
($this->img->width - $this->img->left_margin - $this->img->right_margin) / 2 + $this->img->left_margin, |
|
401
|
|
|
$y, |
|
402
|
|
|
'center', |
|
403
|
|
|
'top' |
|
404
|
|
|
); |
|
405
|
|
|
} elseif ($this->title_adjust == 'low') { |
|
406
|
|
|
$this->title->SetPos($this->img->left_margin, $y, 'left', 'top'); |
|
407
|
|
|
} else { |
|
408
|
|
|
Util\JpGraphError::RaiseL(17002, $this->title_adjust); |
|
409
|
|
|
//('Unknown alignment specified for X-axis title. ('.$this->title_adjust.')'); |
|
410
|
|
|
} |
|
411
|
|
|
|
|
412
|
|
|
if (!$this->hide_labels) { |
|
413
|
|
|
$this->StrokeLabels($pos, false); |
|
414
|
|
|
} |
|
415
|
|
|
$this->img->SetColor($this->radius_tick_color); |
|
416
|
|
|
$this->scale->ticks->Stroke($this->img, $this->scale, $pos); |
|
417
|
|
|
|
|
418
|
|
|
// |
|
419
|
|
|
// Mirror the positions for the left side of the scale |
|
420
|
|
|
// |
|
421
|
|
|
$mid = 2 * ($this->img->left_margin + $this->img->plotwidth / 2); |
|
422
|
|
|
$n = safe_count($this->scale->ticks->ticks_pos); |
|
423
|
|
|
$i = 0; |
|
424
|
|
|
while ($i < $n) { |
|
425
|
|
|
$this->scale->ticks->ticks_pos[$i] = |
|
426
|
|
|
$mid - $this->scale->ticks->ticks_pos[$i]; |
|
427
|
|
|
++$i; |
|
428
|
|
|
} |
|
429
|
|
|
|
|
430
|
|
|
$n = safe_count($this->scale->ticks->maj_ticks_pos); |
|
431
|
|
|
$i = 0; |
|
432
|
|
|
while ($i < $n) { |
|
433
|
|
|
$this->scale->ticks->maj_ticks_pos[$i] = |
|
434
|
|
|
$mid - $this->scale->ticks->maj_ticks_pos[$i]; |
|
435
|
|
|
++$i; |
|
436
|
|
|
} |
|
437
|
|
|
|
|
438
|
|
|
$n = safe_count($this->scale->ticks->maj_ticklabels_pos); |
|
439
|
|
|
$i = 1; |
|
440
|
|
|
while ($i < $n) { |
|
441
|
|
|
$this->scale->ticks->maj_ticklabels_pos[$i] = |
|
442
|
|
|
$mid - $this->scale->ticks->maj_ticklabels_pos[$i]; |
|
443
|
|
|
++$i; |
|
444
|
|
|
} |
|
445
|
|
|
|
|
446
|
|
|
// Draw the left side of the scale |
|
447
|
|
|
$n = safe_count($this->scale->ticks->ticks_pos); |
|
448
|
|
|
$yu = $pos - $this->scale->ticks->direction * $this->scale->ticks->GetMinTickAbsSize(); |
|
449
|
|
|
|
|
450
|
|
|
// Minor ticks |
|
451
|
|
|
if (!$this->scale->ticks->supress_minor_tickmarks) { |
|
452
|
|
|
$i = 1; |
|
453
|
|
|
while ($i < $n / 2) { |
|
454
|
|
|
$x = round($this->scale->ticks->ticks_pos[$i]); |
|
455
|
|
|
$this->img->Line($x, $pos, $x, $yu); |
|
456
|
|
|
++$i; |
|
457
|
|
|
} |
|
458
|
|
|
} |
|
459
|
|
|
|
|
460
|
|
|
$n = safe_count($this->scale->ticks->maj_ticks_pos); |
|
461
|
|
|
$yu = $pos - $this->scale->ticks->direction * $this->scale->ticks->GetMajTickAbsSize(); |
|
462
|
|
|
|
|
463
|
|
|
// Major ticks |
|
464
|
|
|
if (!$this->scale->ticks->supress_tickmarks) { |
|
465
|
|
|
$i = 1; |
|
466
|
|
|
while ($i < $n / 2) { |
|
467
|
|
|
$x = round($this->scale->ticks->maj_ticks_pos[$i]); |
|
468
|
|
|
$this->img->Line($x, $pos, $x, $yu); |
|
469
|
|
|
++$i; |
|
470
|
|
|
} |
|
471
|
|
|
} |
|
472
|
|
|
if (!$this->hide_labels) { |
|
473
|
|
|
$this->StrokeLabels($pos, false); |
|
474
|
|
|
} |
|
475
|
|
|
$this->title->Stroke($this->img); |
|
476
|
|
|
} |
|
477
|
|
|
} |
|
478
|
|
|
|