aclindsa/aclindsay.com
1
0
Fork 0
Code Releases Activity

Initial Commit

Browse Source
This commit is contained in:
Aaron Lindsay
2011-02-24 12:25:26 -07:00
commit 6f2f38ad55
68 changed files with 5070 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

106
svgparser/parser/objects/Transform.php Normal file
View File

@@ -0,0 +1,106 @@
<?php
/*
SVG to dojox.gfx Parser
Copyright (C) 2009 Aaron Lindsay <aclindsay@aclindsay.com>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
class Transform {
private $xx;
private $xy;
private $yx;
private $yy;
private $dx;
private $dy;
public function __construct() {
$this->xx = 1;
$this->xy = 0;
$this->yx = 0;
$this->yy = 1;
$this->dx = 0;
$this->dy = 0;
}
public function setFullMatrix($newXx, $newXy, $newYx, $newYy, $newDx, $newDy) {
$this->xx = $newXx;
$this->xy = $newXy;
$this->yx = $newYx;
$this->yy = $newYy;
$this->dx = $newDx;
$this->dy = $newDy;
}
public function getXx() { return $this->xx; }
public function getXy() { return $this->xy; }
public function getYx() { return $this->yx; }
public function getYy() { return $this->yy; }
public function getDx() { return $this->dx; }
public function getDy() { return $this->dy; }
public function setXx($x) { $this->xx = $x; }
public function setXy($x) { $this->xy = $x; }
public function setYx($x) { $this->yx = $x; }
public function setYy($x) { $this->yy = $x; }
public function setDx($x) { $this->dx = $x; }
public function setDy($x) { $this->dy = $x; }
public function setTranslate($newDx, $newDy = 0) {
$this->setFullMatrix(1,0,0,1,$newDx, $newDy);
}
public function setScale($scaleX, $scaleY = -1) {
if ($scaleY == -1)
$scaleY = $scaleX;
$this->setFullMatrix($scaleX, 0, 0, $scaleY, 0, 0);
}
public function setRotate($angle) {
$this->setFullMatrix(cos(deg2rad($angle)), sin(deg2rad($angle)), -sin(deg2rad($angle)), cos(deg2rad($angle)), 0, 0);
}
public function setSkewX($angle) {
$this->setFullMatrix(1, 0, tan(deg2rad($angle)), 1, 0, 0);
}
public function setSkewY($angle) {
$this->setFullMatrix(1, tan(deg2rad($angle)), 0, 1, 0, 0);
}
public function applyToX($x, $y) {
return $this->xx * $x + $this->xy * $y + $this->dx;
}
public function applyToY($x, $y) {
return $this->yx * $x + $this->yy * $y + $this->dy;
}
//does multiplication of the form [$this]*[$other]
//and stores the result in $this
public function multiplyBy($other) {
$xx = ($this->xx*$other->xx + $this->xy*$other->yx);
$xy = ($this->xx*$other->xy + $this->xy*$other->yy);
$dx = ($this->xx*$other->dx + $this->xy*$other->dy + $this->dx);
$yx = ($this->yx*$other->xx + $this->yy*$other->yx);
$yy = ($this->yx*$other->xy + $this->yy*$other->yy);
$dy = ($this->yx*$other->yx + $this->yy*$other->dy + $this->dy);
$this->setFullMatrix($xx, $xy, $yx, $yy, $dx, $dy);
}
public function isIdentity() {
return ($this->xx == 1 && $this->xy == 0 && $this->yx == 0 && $this->yy == 1 && $this->dx == 0 && $this->dy == 0);
}
}
?>