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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\Image; |
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/** |
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* @class RotImage |
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* // Description: Exactly as Image but draws the image at |
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* // a specified angle around a specified rotation point. |
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*/ |
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class RotImage extends Image |
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{ |
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public $a = 0; |
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public $dx = 0; |
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public $dy = 0; |
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public $transx = 0; |
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public $transy = 0; |
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private $m = []; |
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public function __construct($aWidth, $aHeight, $a = 0, $aFormat = DEFAULT_GFORMAT, $aSetAutoMargin = true) |
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{ |
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parent::__construct($aWidth, $aHeight, $aFormat, $aSetAutoMargin); |
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$this->dx = $this->left_margin + $this->plotwidth / 2; |
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$this->dy = $this->top_margin + $this->plotheight / 2; |
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$this->SetAngle($a); |
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} |
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public function SetCenter($dx, $dy) |
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{ |
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$old_dx = $this->dx; |
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$old_dy = $this->dy; |
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$this->dx = $dx; |
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$this->dy = $dy; |
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$this->SetAngle($this->a); |
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return [$old_dx, $old_dy]; |
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} |
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public function SetTranslation($dx, $dy) |
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{ |
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$old = [$this->transx, $this->transy]; |
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$this->transx = $dx; |
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$this->transy = $dy; |
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return $old; |
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} |
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public function UpdateRotMatrice() |
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{ |
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$a = $this->a; |
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$a *= M_PI / 180; |
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$sa = sin($a); |
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$ca = cos($a); |
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// Create the rotation matrix |
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$this->m[0][0] = $ca; |
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$this->m[0][1] = -$sa; |
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$this->m[0][2] = $this->dx * (1 - $ca) + $sa * $this->dy; |
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$this->m[1][0] = $sa; |
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$this->m[1][1] = $ca; |
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$this->m[1][2] = $this->dy * (1 - $ca) - $sa * $this->dx; |
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} |
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public function SetAngle($a) |
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{ |
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$tmp = $this->a; |
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$this->a = $a; |
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$this->UpdateRotMatrice(); |
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return $tmp; |
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} |
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public function Circle($xc, $yc, $r) |
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{ |
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list($xc, $yc) = $this->Rotate($xc, $yc); |
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parent::Circle($xc, $yc, $r); |
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} |
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public function FilledCircle($xc, $yc, $r) |
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{ |
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list($xc, $yc) = $this->Rotate($xc, $yc); |
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parent::FilledCircle($xc, $yc, $r); |
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} |
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public function Arc($xc, $yc, $w, $h, $s, $e) |
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{ |
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list($xc, $yc) = $this->Rotate($xc, $yc); |
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$s += $this->a; |
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$e += $this->a; |
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parent::Arc($xc, $yc, $w, $h, $s, $e); |
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} |
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public function FilledArc($xc, $yc, $w, $h, $s, $e, $style = '') |
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{ |
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list($xc, $yc) = $this->Rotate($xc, $yc); |
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$s += $this->a; |
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$e += $this->a; |
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parent::FilledArc($xc, $yc, $w, $h, $s, $e); |
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} |
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public function SetMargin($lm, $rm, $tm, $bm) |
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{ |
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parent::SetMargin($lm, $rm, $tm, $bm); |
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$this->dx = $this->left_margin + $this->plotwidth / 2; |
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$this->dy = $this->top_margin + $this->plotheight / 2; |
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$this->UpdateRotMatrice(); |
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} |
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public function Rotate($x, $y) |
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{ |
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// Optimization. Ignore rotation if Angle==0 || Angle==360 |
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if ($this->a == 0 || $this->a == 360) { |
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return [$x + $this->transx, $y + $this->transy]; |
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} |
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$x1 = round($this->m[0][0] * $x + $this->m[0][1] * $y, 1) + $this->m[0][2] + $this->transx; |
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$y1 = round($this->m[1][0] * $x + $this->m[1][1] * $y, 1) + $this->m[1][2] + $this->transy; |
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return [$x1, $y1]; |
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} |
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public function CopyMerge($fromImg, $toX, $toY, $fromX, $fromY, $toWidth, $toHeight, $fromWidth = -1, $fromHeight = -1, $aMix = 100) |
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{ |
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list($toX, $toY) = $this->Rotate($toX, $toY); |
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parent::CopyMerge($fromImg, $toX, $toY, $fromX, $fromY, $toWidth, $toHeight, $fromWidth, $fromHeight, $aMix); |
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} |
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public function ArrRotate($pnts) |
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{ |
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$n = safe_count($pnts) - 1; |
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for ($i = 0; $i < $n; $i += 2) { |
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list($x, $y) = $this->Rotate($pnts[$i], $pnts[$i + 1]); |
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$pnts[$i] = $x; |
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$pnts[$i + 1] = $y; |
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} |
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return $pnts; |
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} |
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public function DashedLine($x1, $y1, $x2, $y2, $dash_length = 1, $dash_space = 4) |
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{ |
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list($x1, $y1) = $this->Rotate($x1, $y1); |
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list($x2, $y2) = $this->Rotate($x2, $y2); |
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parent::DashedLine($x1, $y1, $x2, $y2, $dash_length, $dash_space); |
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} |
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public function Line($x1, $y1, $x2, $y2) |
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{ |
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list($x1, $y1) = $this->Rotate($x1, $y1); |
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list($x2, $y2) = $this->Rotate($x2, $y2); |
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parent::Line($x1, $y1, $x2, $y2); |
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} |
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public function Rectangle($x1, $y1, $x2, $y2) |
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{ |
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// Rectangle uses Line() so it will be rotated through that call |
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parent::Rectangle($x1, $y1, $x2, $y2); |
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} |
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public function FilledRectangle($x1, $y1, $x2, $y2) |
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{ |
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if ($y1 == $y2 || $x1 == $x2) { |
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$this->Line($x1, $y1, $x2, $y2); |
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} else { |
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$this->FilledPolygon([$x1, $y1, $x2, $y1, $x2, $y2, $x1, $y2]); |
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} |
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} |
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public function Polygon($pnts, $closed = false, $fast = false) |
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{ |
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// Polygon uses Line() so it will be rotated through that call unless |
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// fast drawing routines are used in which case a rotate is needed |
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if ($fast) { |
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parent::Polygon($this->ArrRotate($pnts)); |
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} else { |
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parent::Polygon($pnts, $closed, $fast); |
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} |
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} |
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public function FilledPolygon($pnts) |
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{ |
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parent::FilledPolygon($this->ArrRotate($pnts)); |
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} |
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public function Point($x, $y) |
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{ |
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list($xp, $yp) = $this->Rotate($x, $y); |
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parent::Point($xp, $yp); |
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} |
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public function StrokeText($x, $y, $txt, $dir = 0, $paragraph_align = 'left', $debug = false) |
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{ |
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list($xp, $yp) = $this->Rotate($x, $y); |
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return parent::StrokeText($xp, $yp, $txt, $dir, $paragraph_align, $debug); |
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} |
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} |
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HuasoFoundries /
jpgraph
