PathBounds::getNearest() - Code Metrics - Inspection of "Adding to PathBounds absolute and relative curves..." - nstdio/SVGMagick - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 1264db...4766ae )

by Edgar

created 2016-08-19 22:09 UTC

PathBounds::getNearest() A

↳ Parent: PathBounds

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes	3
Bugs	0	Features	1

Metric	Value
c	3
b	0
f	1
dl	0
loc	7
rs	9.4285
cc	2
eloc	4
nc	2
nop	1

<?php
namespace nstdio\svg\shape;

use nstdio\svg\util\Bezier;

/**
 * Class PathBounds
 *
 * @package nstdio\svg\shape
 * @author  Edgar Asatryan <[email protected]>
 */
class PathBounds
{
    private $index;

    private $modifier;
    /**
     * The path points positions
     *
     * @var array
     */
    private $data = [];

    private $current;

    private $rect;

    private $originalData;

    public function __construct()
    {
        $this->rect = [
            'width'  => 0,
            'height' => 0,
            'x'      => null,
            'y'      => null,
        ];
    }

    /**
     * @param string $modifier Path modifier e.g. V, L, C, M
     * @param array  $params
     */
    public function addData($modifier, array $params)
    {
        $this->originalData = [$modifier => $params];
        if ($this->isRelativeModifier($modifier)) {
            $this->addRelativeModifier($modifier, $params);
        } else {
            $this->addAbsoluteModifier($modifier, $params);
        }
    }

    /**
     * @return array
     */
    public function getBox()
    {
        foreach ($this->data as $key => $value) {
            $this->modifier = key($value);
            $this->index = $key;
            $this->current = $value[$this->modifier];

            if ($this->isAnyKindOfLine()) {
                $this->getLBox();
            } elseif ($this->modifier === 'Q' || $this->modifier === 'q') {
                $this->getQBox();
            } elseif ($this->modifier === 'C' || $this->modifier === 'c') {
                $this->getCBox();
            }
        }
        unset($this->modifier, $this->index, $this->current);

        return $this->rect;
    }

    private function getLBox()
    {
        list($x1, $y1) = $this->getStartPoint();
        list($x2, $y2) = $this->current;

        $this->union($x1, $y1, $x2, $y2);
    }

    private function getPreviousData()
    {
        $mod = $this->modifierAtIndex($this->index - 1);

        return $this->data[$this->index - 1][$mod];
    }

    private function modifierAtIndex($index)
    {
        return key($this->data[$index]);
    }

    private function union($x1, $y1, $x2, $y2)
    {
        $box = [
            'width'  => max($x1, $x2) - min($x1, $x2),
            'height' => max($y1, $y2) - min($y1, $y2),
            'x'      => min($x1, $x2),
            'y'      => min($y1, $y2),
        ];

        if ($this->rect['x'] === null) {
            $this->rect['x'] = $box['x'];
            $this->rect['y'] = $box['y'];
        }
        $this->rect = Rect::union($this->rect, $box);
    }

    private function getQBox()
    {
        list($p0x, $p0y) = $this->getStartPoint();
        list($p1x, $p1y, $p2x, $p2y) = $this->current;

        list($x1, $y1, $x2, $y2) = Bezier::quadraticBBox($p0x, $p0y, $p1x, $p1y, $p2x, $p2y);

        $this->union($x1, $y1, $x2, $y2);
    }

    private function getCBox()
    {
        list($p0x, $p0y) = $this->getStartPoint();
        list($p1x, $p1y, $p2x, $p2y, $p3x, $p3y) = $this->current;

        list($x1, $y1, $x2, $y2) = Bezier::cubicBBox($p0x, $p0y, $p1x, $p1y, $p2x, $p2y, $p3x, $p3y);

        $this->union($x1, $y1, $x2, $y2);
    }

    /**
     * @return array
     */
    private function getStartPoint()
    {
        $x1 = $this->getNearest('x');
        $y1 = $this->getNearest('y');

        return [$x1, $y1];
    }

    private function getNearest($axis)
    {
        $prevData = $this->getPreviousData();
        $coordinate = $axis === 'x' ? $this->getStartX($prevData) : $this->getStartY($prevData);

        return $coordinate;
    }

    /**
     * @param string $mod
     *
     * @return bool
     */
    private function isRelativeModifier($mod)
    {
        return ctype_lower($mod);
    }

    /**
     * @param array $data
     *
     * @return float|false
     */
    private function getStartX($data)
    {
        return $data[count($data) - 2];
    }

    /**
     * @param array $data
     *
     * @return float
     */
    private function getStartY($data)
    {
        return $data[count($data) - 1];
    }

    /**
     * @return array
     */
    private function getLastData()
    {
        if (empty($this->data)) return [];
        $prevData = $this->data[count($this->data) - 1];
        $prevData = $prevData[key($prevData)];

        return $prevData;
    }

    private function getLastModifier()
    {
        return key($this->data[count($this->data) - 1]);
    }

    private function isAnyKindOfLine()
    {
        $mod = strtolower($this->modifier);
        return $mod === 'l' || $mod === 'h' || $mod === 'v';
    }

    /**
     * @param       $modifier
     * @param array $params
     */
    private function addRelativeModifier($modifier, array $params)
    {
        $prevData = $this->getLastData();

        if ($modifier === 'h') {
            $params[0] += $this->getStartX($prevData);
            $params[1] = $this->getStartY($prevData);
        } elseif ($modifier === 'v') {

            $y = $params[0];
            $params[0] = $this->getStartX($prevData);
            $params[1] = $y + $this->getStartY($prevData);
        } elseif ($modifier === 'l') {
            $params[0] += $this->getStartX($prevData);
            $params[1] += $this->getStartY($prevData);
        } elseif ($modifier === 'q') {
            $x = $this->getStartX($prevData);
            $y = $this->getStartY($prevData);

            $params[0] += $x;
            $params[1] += $y;
            $params[2] += $x;
            $params[3] += $y;
        } elseif ($modifier === 't') {
            $lastMod = $this->getLastModifier();
            $modifier = 'Q';
            $newParams = [];

            if ($lastMod === 'q') {

                $newParams[0] = 2 * $prevData[2] - $prevData[0];
                $newParams[1] = 2 * $prevData[3] - $prevData[1];
            } else {
                $newParams[0] = $this->getStartX($prevData);
                $newParams[1] = $this->getStartY($prevData);
            }

            $newParams[2] = $params[0] + $this->getStartX($prevData);
            $newParams[3] = $params[1] + $this->getStartY($prevData);

            $params = $newParams;
        } elseif ($modifier === 's') {
            $lastMod = $this->getLastModifier();
            $modifier = 'C';
            $newParams = [];
            if ($lastMod === 'c') {

                $newParams[0] = 2 * $prevData[4] - $prevData[2];
                $newParams[1] = 2 * $prevData[5] - $prevData[3];
            } else {
                $newParams[0] = $this->getStartX($prevData);
                $newParams[1] = $this->getStartY($prevData);
            }

            $x = $this->getStartX($prevData);
            $y = $this->getStartY($prevData);

            $newParams[2] = $params[0] + $x;
            $newParams[3] = $params[1] + $y;
            $newParams[4] = $params[2] + $x;
            $newParams[5] = $params[3] + $y;

            $params = $newParams;
        } elseif ($modifier === 'c') {
            $x = $this->getStartX($prevData);
            $y = $this->getStartY($prevData);

            $params[0] += $x;
            $params[1] += $y;
            $params[2] += $x;
            $params[3] += $y;
            $params[4] += $x;
            $params[5] += $y;
        }

        $this->data[] = [$modifier => $params];
    }

    /**
     * @param       $modifier
     * @param array $params
     */
    private function addAbsoluteModifier($modifier, array $params)
    {
        $prevData = $this->getLastData();
        if ($modifier === 'H') {
            $params[1] = $this->getStartY($prevData);
        } elseif ($modifier === 'V') {

            $y = $params[0];
            $params[0] = $this->getStartX($prevData);
            $params[1] = $y;
        } elseif ($modifier === 'T') {
            $lastMod = $this->getLastModifier();
            $modifier = 'Q';
            $newParams = [];
            if ($lastMod === 'Q') {

                $newParams[0] = 2 * $prevData[2] - $prevData[0];
                $newParams[1] = 2 * $prevData[3] - $prevData[1];
            } else {
                $newParams[0] = $this->getStartX($prevData);
                $newParams[1] = $this->getStartY($prevData);
            }

            $newParams[2] = $params[0];
            $newParams[3] = $params[1];

            $params = $newParams;
        } elseif ($modifier === 'S') {
            $lastMod = $this->getLastModifier();
            $modifier = 'C';
            $newParams = [];
            if ($lastMod === 'C') {

                $newParams[0] = 2 * $prevData[4] - $prevData[2];
                $newParams[1] = 2 * $prevData[5] - $prevData[3];
            } else {
                $newParams[0] = $this->getStartX($prevData);
                $newParams[1] = $this->getStartY($prevData);
            }

            $newParams[2] = $params[0];
            $newParams[3] = $params[1];
            $newParams[4] = $params[2];
            $newParams[5] = $params[3];

            $params = $newParams;
        }

        $this->data[] = [$modifier => $params];
    }
}


1		<?php
2		namespace nstdio\svg\shape;
3
4		use nstdio\svg\util\Bezier;
5
6		/**
7		* Class PathBounds
8		*
9		* @package nstdio\svg\shape
10		* @author Edgar Asatryan <[email protected]>
11		*/
12		class PathBounds
13		{
14		private $index;
15
16		private $modifier;
17		/**
18		* The path points positions
19		*
20		* @var array
21		*/
22		private $data = [];
23
24		private $current;
25
26		private $rect;
27
28		private $originalData;
29
30		public function __construct()
31		{
32		$this->rect = [
33		'width' => 0,
34		'height' => 0,
35		'x' => null,
36		'y' => null,
37		];
38		}
39
40		/**
41		* @param string $modifier Path modifier e.g. V, L, C, M
42		* @param array $params
43		*/
44		public function addData($modifier, array $params)
45		{
46		$this->originalData = [$modifier => $params];
47		if ($this->isRelativeModifier($modifier)) {
48		$this->addRelativeModifier($modifier, $params);
49		} else {
50		$this->addAbsoluteModifier($modifier, $params);
51		}
52		}
53
54		/**
55		* @return array
56		*/
57		public function getBox()
58		{
59		foreach ($this->data as $key => $value) {
60		$this->modifier = key($value);
61		$this->index = $key;
62		$this->current = $value[$this->modifier];
63
64		if ($this->isAnyKindOfLine()) {
65		$this->getLBox();
66		} elseif ($this->modifier === 'Q' \|\| $this->modifier === 'q') {
67		$this->getQBox();
68		} elseif ($this->modifier === 'C' \|\| $this->modifier === 'c') {
69		$this->getCBox();
70		}
71		}
72		unset($this->modifier, $this->index, $this->current);
73
74		return $this->rect;
75		}
76
77		private function getLBox()
78		{
79		list($x1, $y1) = $this->getStartPoint();
80		list($x2, $y2) = $this->current;
81
82		$this->union($x1, $y1, $x2, $y2);
83		}
84
85		private function getPreviousData()
86		{
87		$mod = $this->modifierAtIndex($this->index - 1);
88
89		return $this->data[$this->index - 1][$mod];
90		}
91
92		private function modifierAtIndex($index)
93		{
94		return key($this->data[$index]);
95		}
96
97		private function union($x1, $y1, $x2, $y2)
98		{
99		$box = [
100		'width' => max($x1, $x2) - min($x1, $x2),
101		'height' => max($y1, $y2) - min($y1, $y2),
102		'x' => min($x1, $x2),
103		'y' => min($y1, $y2),
104		];
105
106		if ($this->rect['x'] === null) {
107		$this->rect['x'] = $box['x'];
108		$this->rect['y'] = $box['y'];
109		}
110		$this->rect = Rect::union($this->rect, $box);
111		}
112
113		private function getQBox()
114		{
115		list($p0x, $p0y) = $this->getStartPoint();
116		list($p1x, $p1y, $p2x, $p2y) = $this->current;
117
118		list($x1, $y1, $x2, $y2) = Bezier::quadraticBBox($p0x, $p0y, $p1x, $p1y, $p2x, $p2y);
119
120		$this->union($x1, $y1, $x2, $y2);
121		}
122
123		private function getCBox()
124		{
125		list($p0x, $p0y) = $this->getStartPoint();
126		list($p1x, $p1y, $p2x, $p2y, $p3x, $p3y) = $this->current;
127
128		list($x1, $y1, $x2, $y2) = Bezier::cubicBBox($p0x, $p0y, $p1x, $p1y, $p2x, $p2y, $p3x, $p3y);
129
130		$this->union($x1, $y1, $x2, $y2);
131		}
132
133		/**
134		* @return array
135		*/
136		private function getStartPoint()
137		{
138		$x1 = $this->getNearest('x');
139		$y1 = $this->getNearest('y');
140
141		return [$x1, $y1];
142		}
143
144		private function getNearest($axis)
145		{
146		$prevData = $this->getPreviousData();
147		$coordinate = $axis === 'x' ? $this->getStartX($prevData) : $this->getStartY($prevData);
148
149		return $coordinate;
150		}
151
152		/**
153		* @param string $mod
154		*
155		* @return bool
156		*/
157		private function isRelativeModifier($mod)
158		{
159		return ctype_lower($mod);
160		}
161
162		/**
163		* @param array $data
164		*
165		* @return float\|false
166		*/
167		private function getStartX($data)
168		{
169		return $data[count($data) - 2];
170		}
171
172		/**
173		* @param array $data
174		*
175		* @return float
176		*/
177		private function getStartY($data)
178		{
179		return $data[count($data) - 1];
180		}
181
182		/**
183		* @return array
184		*/
185		private function getLastData()
186		{
187		if (empty($this->data)) return [];
188		$prevData = $this->data[count($this->data) - 1];
189		$prevData = $prevData[key($prevData)];
190
191		return $prevData;
192		}
193
194		private function getLastModifier()
195		{
196		return key($this->data[count($this->data) - 1]);
197		}
198
199		private function isAnyKindOfLine()
200		{
201		$mod = strtolower($this->modifier);
202		return $mod === 'l' \|\| $mod === 'h' \|\| $mod === 'v';
203		}
204
205		/**
206		* @param $modifier
207		* @param array $params
208		*/
209		private function addRelativeModifier($modifier, array $params)
210		{
211		$prevData = $this->getLastData();
212
213		if ($modifier === 'h') {
214		$params[0] += $this->getStartX($prevData);
215		$params[1] = $this->getStartY($prevData);
216	View Code Duplication	} elseif ($modifier === 'v') {
		0 ignored issues – show Duplication introduced 2016-08-18 19:43 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
217		$y = $params[0];
218		$params[0] = $this->getStartX($prevData);
219		$params[1] = $y + $this->getStartY($prevData);
220		} elseif ($modifier === 'l') {
221		$params[0] += $this->getStartX($prevData);
222		$params[1] += $this->getStartY($prevData);
223		} elseif ($modifier === 'q') {
224		$x = $this->getStartX($prevData);
225		$y = $this->getStartY($prevData);
226
227		$params[0] += $x;
228		$params[1] += $y;
229		$params[2] += $x;
230		$params[3] += $y;
231		} elseif ($modifier === 't') {
232		$lastMod = $this->getLastModifier();
233		$modifier = 'Q';
234		$newParams = [];
235
236	View Code Duplication	if ($lastMod === 'q') {
		0 ignored issues – show Duplication introduced 2016-08-19 22:13 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
237		$newParams[0] = 2 * $prevData[2] - $prevData[0];
238		$newParams[1] = 2 * $prevData[3] - $prevData[1];
239		} else {
240		$newParams[0] = $this->getStartX($prevData);
241		$newParams[1] = $this->getStartY($prevData);
242		}
243
244		$newParams[2] = $params[0] + $this->getStartX($prevData);
245		$newParams[3] = $params[1] + $this->getStartY($prevData);
246
247		$params = $newParams;
248		} elseif ($modifier === 's') {
249		$lastMod = $this->getLastModifier();
250		$modifier = 'C';
251		$newParams = [];
252	View Code Duplication	if ($lastMod === 'c') {
		0 ignored issues – show Duplication introduced 2016-08-19 22:13 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
253		$newParams[0] = 2 * $prevData[4] - $prevData[2];
254		$newParams[1] = 2 * $prevData[5] - $prevData[3];
255		} else {
256		$newParams[0] = $this->getStartX($prevData);
257		$newParams[1] = $this->getStartY($prevData);
258		}
259
260		$x = $this->getStartX($prevData);
261		$y = $this->getStartY($prevData);
262
263		$newParams[2] = $params[0] + $x;
264		$newParams[3] = $params[1] + $y;
265		$newParams[4] = $params[2] + $x;
266		$newParams[5] = $params[3] + $y;
267
268		$params = $newParams;
269		} elseif ($modifier === 'c') {
270		$x = $this->getStartX($prevData);
271		$y = $this->getStartY($prevData);
272
273		$params[0] += $x;
274		$params[1] += $y;
275		$params[2] += $x;
276		$params[3] += $y;
277		$params[4] += $x;
278		$params[5] += $y;
279		}
280
281		$this->data[] = [$modifier => $params];
282		}
283
284		/**
285		* @param $modifier
286		* @param array $params
287		*/
288		private function addAbsoluteModifier($modifier, array $params)
289		{
290		$prevData = $this->getLastData();
291		if ($modifier === 'H') {
292		$params[1] = $this->getStartY($prevData);
293	View Code Duplication	} elseif ($modifier === 'V') {
		0 ignored issues – show Duplication introduced 2016-08-18 19:43 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
294		$y = $params[0];
295		$params[0] = $this->getStartX($prevData);
296		$params[1] = $y;
297		} elseif ($modifier === 'T') {
298		$lastMod = $this->getLastModifier();
299		$modifier = 'Q';
300		$newParams = [];
301	View Code Duplication	if ($lastMod === 'Q') {
		0 ignored issues – show Duplication introduced 2016-08-19 22:13 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
302		$newParams[0] = 2 * $prevData[2] - $prevData[0];
303		$newParams[1] = 2 * $prevData[3] - $prevData[1];
304		} else {
305		$newParams[0] = $this->getStartX($prevData);
306		$newParams[1] = $this->getStartY($prevData);
307		}
308
309		$newParams[2] = $params[0];
310		$newParams[3] = $params[1];
311
312		$params = $newParams;
313		} elseif ($modifier === 'S') {
314		$lastMod = $this->getLastModifier();
315		$modifier = 'C';
316		$newParams = [];
317	View Code Duplication	if ($lastMod === 'C') {
		0 ignored issues – show Duplication introduced 2016-08-19 22:13 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
318		$newParams[0] = 2 * $prevData[4] - $prevData[2];
319		$newParams[1] = 2 * $prevData[5] - $prevData[3];
320		} else {
321		$newParams[0] = $this->getStartX($prevData);
322		$newParams[1] = $this->getStartY($prevData);
323		}
324
325		$newParams[2] = $params[0];
326		$newParams[3] = $params[1];
327		$newParams[4] = $params[2];
328		$newParams[5] = $params[3];
329
330		$params = $newParams;
331		}
332
333		$this->data[] = [$modifier => $params];
334		}
335		}
336

nstdio / SVGMagick

Push — master ( 1264db...4766ae )

PathBounds::getNearest() A

Complexity

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Duplication

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