SpriteLineGif::expandFrame() - Code Metrics - supernova-ws/SuperNova - Measure and Improve Code Quality continuously with Scrutinizer

SpriteLineGif::expandFrame() B
last analyzed 2025-05-16 15:34 UTC

↳ Parent: SpriteLineGif

Complexity

Conditions	6
Paths	8

Size

Total Lines	60
Code Lines	31

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	6
eloc	31
c	0
b	0
f	0
nc	8
nop	1
dl	0
loc	60
rs	8.8017

How to fix Long Method

<?php
/** Created by Gorlum 21.01.2024 01:07 */

namespace Tools;

use GIFEndec\Decoder;
use GIFEndec\Events\FrameDecodedEvent;
use GIFEndec\Frame;
use GIFEndec\IO\FileStream;

class SpriteLineGif extends SpriteLine {
  /** @var bool $expandFrame Should frame be expanded for CSS animation? */
  protected $expandFrame = true;

  /** @var Frame[] $frames */
  protected $frames = [];
  /**
   * @var int
   */
  protected $maxWidth = 0;

  protected function addImage($imageFile) {
    $this->files[] = $imageFile;

    $this->frames = [];

    $this->height = $this->width = $this->maxWidth = 0;

    /** Open GIF as FileStream */
    // TODO - own class from loaded
    $gifStream = new FileStream($imageFile->fullPath);
    /** Create Decoder instance from MemoryStream */
    $gifDecoder = new Decoder($gifStream);

    /** Run decoder. Pass callback function to process decoded Frames when they're ready. */
    $gifDecoder->decode(function (FrameDecodedEvent $event) {
      $this->frames[] = $event->decodedFrame;

      $this->width    += $event->decodedFrame->getSize()->getWidth();
      $this->maxWidth = max($this->maxWidth, $event->decodedFrame->getSize()->getWidth());

      $this->height = max($this->height, $event->decodedFrame->getSize()->getHeight());
    });
    // For EXPAND_FRAME delta width would be equal size of the largest frame
//    $this->width = count($this->frames) * reset($this->frames)->getSize()->getWidth();
    if ($this->expandFrame) {
      $this->width = count($this->frames) * $this->maxWidth;
    }
  }

  /**
   * GIF image line considered always full
   *
   * @param $gridSize
   *
   * @return bool
   */
  protected function isFull($gridSize) {
    return true;
  }

  public function generate($posY, $scaleToPx) {
    // Extracting file name from full path
    $file     = reset($this->files);
    $onlyName = explode('.', $file->fileName);
    if (count($onlyName) > 1) {
      array_pop($onlyName);
    }
    $onlyName = implode('.', $onlyName);
    // You can't have this chars in CSS qualifier
    $onlyName = str_replace(['.', '#'], '_', $onlyName);

    // Expanding frames. Their sizes can change due to offset
    foreach ($this->frames as $i => $frame) {
      $this->expandFrame($i);
    }

//    $firstFrame = reset($this->frames);
//    $this->width  = imagesx($firstFrame->gdImage) * count($this->frames);
//    $this->height = imagesy($firstFrame->gdImage);
//    $maxDimension = max(imagesx($firstFrame->gdImage), imagesy($firstFrame->gdImage));
    $maxDimension = max($this->maxWidth, $this->height);

    // Recreating image - if any
    unset($this->image);
    $this->image = ImageContainer::create($this->width, $this->height);

    $durations = [];
    $position  = 0;
    foreach ($this->frames as $i => $frame) {
//      $frameGdImage = $this->expandFrame($i);
      $frameGdImage = $frame->gdImage;


      $width  = imagesx($frameGdImage);
      $height = imagesy($frameGdImage);

      $this->image->copyFromGd($frameGdImage, $position, 0);

//      $frame = $this->frames[$i];
      // Fixing duration 0 to 10
      $durations[$i] = ($duration = $frame->getDuration()) ? $duration : 10;

      $css = "%1\$s{$onlyName}_{$i}%2\$s{background-position: -{$position}px -{$posY}px;";

      // Extra info about frame
      $size   = $frame->getSize();
      $offset = $frame->getOffset();
      $css    = "/* Frame {$size->getWidth()}x{$size->getHeight()} @ ({$offset->getX()},{$offset->getY()}) duration {$frame->getDuration()} disposition {$frame->getDisposalMethod()} */" . $css;

      if ($scaleToPx > 0) {
        if ($maxDimension != $scaleToPx) {
          $css .= "zoom: calc({$scaleToPx}/{$maxDimension});";
        }
      }
      $css .= "width: {$width}px;height: {$height}px;}\n";

      if ($i === 0) {
        // If it's first frame - generating CSS for static image
        $css = "%1\$s{$onlyName}%2\$s,\n" . $css;
      }

      $this->css .= $css;

      $position += $width;
    }

    $totalDuration = array_sum($durations);
    $durInSec      = round($totalDuration / 100, 4);

    $animation  = '';
    $cumulative = 0;
    $position   = 0;
    foreach ($durations as $i => $duration) {
      $animation .= $cumulative . "%% {background-position-x: {$position}px;}\n";

      $cumulative += round($duration / $totalDuration * 100, 3);
      $position   -= imagesx($this->frames[$i]->gdImage);
    }
    $animation = "%1\$s{$onlyName}%2\$s {animation: {$onlyName}_animation%2\$s {$durInSec}s step-end infinite;}\n" .
      "@keyframes {$onlyName}_animation%2\$s {\n" .
      $animation .
      "}";

    $this->css .= $animation;
  }

  /**
   * @param int $i
   *
   * @return resource|\GdImage
   */
  protected function expandFrame($i) {
    /**
     * Disposal method
     * Values :
     *   0 - No disposal specified. The decoder is not required to take any action.
     *   1 - Do not dispose. The graphic is to be left in place.
     *   2 - Restore to background color. The area used by the graphic must be restored to the background color.
     *   3 - Restore to previous. The decoder is required to restore the area overwritten by the graphic with
     *       what was there prior to rendering the graphic.
     */
    $thisFrame = $this->frames[$i];
    if (!$this->expandFrame) {
      return $thisFrame->gdImage = $thisFrame->createGDImage();

    }

    if ($i === 0) {
      // This is first frame
      $sizeX = $this->maxWidth;
      $sizeY = $this->height;
//      $sizeX = $thisFrame->getSize()->getWidth() + $thisFrame->getOffset()->getX();
//      $sizeY = $thisFrame->getSize()->getHeight() + $thisFrame->getOffset()->getY();
    } else {
      $prevFrame = $this->frames[$i - 1];
      if (!in_array($prevFrame->getDisposalMethod(), [0, 1, 2])) {
        die("Disposal method {$prevFrame->getDisposalMethod()} does not supported yet");

      }

      // Creating detached copy of previous frame image
      $sizeX = imagesx($prevFrame->gdImage);
      $sizeY = imagesy($prevFrame->gdImage);
    }
    $newGdImage = imagecreatetruecolor($sizeX, $sizeY);
    imagealphablending($newGdImage, false);
    imagesavealpha($newGdImage, true);
    $color = imagecolorallocatealpha($newGdImage, 0, 0, 0, 127);
    imagefill($newGdImage, 0, 0, $color);

    if ($i !== 0) {
      imagecopy($newGdImage, $prevFrame->gdImage,

        0, 0,
        0, 0, imagesx($prevFrame->gdImage), imagesy($prevFrame->gdImage)
      );

      if ($prevFrame->getDisposalMethod() === 2) {
        imagefilledrectangle($newGdImage,
          $prevFrame->getOffset()->getX(), $prevFrame->getOffset()->getY(),
          $prevFrame->getOffset()->getX() + ($prevFrame->getSize()->getWidth() - 1),
          $prevFrame->getOffset()->getY() + ($prevFrame->getSize()->getHeight() - 1),
          $color
        );
      }
    }

    $anImage = $thisFrame->createGDImage();
    imagecopy($newGdImage, $anImage,
      $thisFrame->getOffset()->getX(), $thisFrame->getOffset()->getY(),
      0, 0, imagesx($anImage), imagesy($anImage)
    );

    return $thisFrame->gdImage = $newGdImage;
  }

}


1			<?php
2			/** Created by Gorlum 21.01.2024 01:07 */
3
4			namespace Tools;
5
6			use GIFEndec\Decoder;
7			use GIFEndec\Events\FrameDecodedEvent;
8			use GIFEndec\Frame;
9			use GIFEndec\IO\FileStream;
10
11			class SpriteLineGif extends SpriteLine {
12			/** @var bool $expandFrame Should frame be expanded for CSS animation? */
13			protected $expandFrame = true;
14
15			/** @var Frame[] $frames */
16			protected $frames = [];
17			/**
18			* @var int
19			*/
20			protected $maxWidth = 0;
21
22			protected function addImage($imageFile) {
23			$this->files[] = $imageFile;
24
25			$this->frames = [];
26
27			$this->height = $this->width = $this->maxWidth = 0;
28
29			/** Open GIF as FileStream */
30			// TODO - own class from loaded
31			$gifStream = new FileStream($imageFile->fullPath);
32			/** Create Decoder instance from MemoryStream */
33			$gifDecoder = new Decoder($gifStream);
34
35			/** Run decoder. Pass callback function to process decoded Frames when they're ready. */
36			$gifDecoder->decode(function (FrameDecodedEvent $event) {
37			$this->frames[] = $event->decodedFrame;
38
39			$this->width += $event->decodedFrame->getSize()->getWidth();
40			$this->maxWidth = max($this->maxWidth, $event->decodedFrame->getSize()->getWidth());
41
42			$this->height = max($this->height, $event->decodedFrame->getSize()->getHeight());
43			});
44			// For EXPAND_FRAME delta width would be equal size of the largest frame
45			// $this->width = count($this->frames) * reset($this->frames)->getSize()->getWidth();
46			if ($this->expandFrame) {
47			$this->width = count($this->frames) * $this->maxWidth;
48			}
49			}
50
51			/**
52			* GIF image line considered always full
53			*
54			* @param $gridSize
55			*
56			* @return bool
57			*/
58			protected function isFull($gridSize) {
59			return true;
60			}
61
62			public function generate($posY, $scaleToPx) {
63			// Extracting file name from full path
64			$file = reset($this->files);
65			$onlyName = explode('.', $file->fileName);
66			if (count($onlyName) > 1) {
67			array_pop($onlyName);
68			}
69			$onlyName = implode('.', $onlyName);
70			// You can't have this chars in CSS qualifier
71			$onlyName = str_replace(['.', '#'], '_', $onlyName);
72
73			// Expanding frames. Their sizes can change due to offset
74			foreach ($this->frames as $i => $frame) {
75			$this->expandFrame($i);
76			}
77
78			// $firstFrame = reset($this->frames);
79			// $this->width = imagesx($firstFrame->gdImage) * count($this->frames);
80			// $this->height = imagesy($firstFrame->gdImage);
81			// $maxDimension = max(imagesx($firstFrame->gdImage), imagesy($firstFrame->gdImage));
82			$maxDimension = max($this->maxWidth, $this->height);
83
84			// Recreating image - if any
85			unset($this->image);
86			$this->image = ImageContainer::create($this->width, $this->height);
87
88			$durations = [];
89			$position = 0;
90			foreach ($this->frames as $i => $frame) {
91			// $frameGdImage = $this->expandFrame($i);
92			$frameGdImage = $frame->gdImage;
			0 ignored issues – show Bug introduced 2024-01-21 07:09 UTC by Report Bug Copy Issue Report The property `gdImage` does not seem to exist on `GIFEndec\Frame`. Loading history...
93
94			$width = imagesx($frameGdImage);
95			$height = imagesy($frameGdImage);
96
97			$this->image->copyFromGd($frameGdImage, $position, 0);
98
99			// $frame = $this->frames[$i];
100			// Fixing duration 0 to 10
101			$durations[$i] = ($duration = $frame->getDuration()) ? $duration : 10;
102
103			$css = "%1\$s{$onlyName}_{$i}%2\$s{background-position: -{$position}px -{$posY}px;";
104
105			// Extra info about frame
106			$size = $frame->getSize();
107			$offset = $frame->getOffset();
108			$css = "/* Frame {$size->getWidth()}x{$size->getHeight()} @ ({$offset->getX()},{$offset->getY()}) duration {$frame->getDuration()} disposition {$frame->getDisposalMethod()} */" . $css;
109
110			if ($scaleToPx > 0) {
111			if ($maxDimension != $scaleToPx) {
112			$css .= "zoom: calc({$scaleToPx}/{$maxDimension});";
113			}
114			}
115			$css .= "width: {$width}px;height: {$height}px;}\n";
116
117			if ($i === 0) {
118			// If it's first frame - generating CSS for static image
119			$css = "%1\$s{$onlyName}%2\$s,\n" . $css;
120			}
121
122			$this->css .= $css;
123
124			$position += $width;
125			}
126
127			$totalDuration = array_sum($durations);
128			$durInSec = round($totalDuration / 100, 4);
129
130			$animation = '';
131			$cumulative = 0;
132			$position = 0;
133			foreach ($durations as $i => $duration) {
134			$animation .= $cumulative . "%% {background-position-x: {$position}px;}\n";
135
136			$cumulative += round($duration / $totalDuration * 100, 3);
137			$position -= imagesx($this->frames[$i]->gdImage);
138			}
139			$animation = "%1\$s{$onlyName}%2\$s {animation: {$onlyName}_animation%2\$s {$durInSec}s step-end infinite;}\n" .
140			"@keyframes {$onlyName}_animation%2\$s {\n" .
141			$animation .
142			"}";
143
144			$this->css .= $animation;
145			}
146
147			/**
148			* @param int $i
149			*
150			* @return resource\|\GdImage
151			*/
152			protected function expandFrame($i) {
153			/**
154			* Disposal method
155			* Values :
156			* 0 - No disposal specified. The decoder is not required to take any action.
157			* 1 - Do not dispose. The graphic is to be left in place.
158			* 2 - Restore to background color. The area used by the graphic must be restored to the background color.
159			* 3 - Restore to previous. The decoder is required to restore the area overwritten by the graphic with
160			* what was there prior to rendering the graphic.
161			*/
162			$thisFrame = $this->frames[$i];
163			if (!$this->expandFrame) {
164			return $thisFrame->gdImage = $thisFrame->createGDImage();
			0 ignored issues – show Bug introduced 2024-01-21 07:09 UTC by Report Bug Copy Issue Report The property `gdImage` does not seem to exist on `GIFEndec\Frame`. Loading history...
165			}
166
167			if ($i === 0) {
168			// This is first frame
169			$sizeX = $this->maxWidth;
170			$sizeY = $this->height;
171			// $sizeX = $thisFrame->getSize()->getWidth() + $thisFrame->getOffset()->getX();
172			// $sizeY = $thisFrame->getSize()->getHeight() + $thisFrame->getOffset()->getY();
173			} else {
174			$prevFrame = $this->frames[$i - 1];
175			if (!in_array($prevFrame->getDisposalMethod(), [0, 1, 2])) {
176			die("Disposal method {$prevFrame->getDisposalMethod()} does not supported yet");
			0 ignored issues – show Best Practice introduced 2024-01-21 07:09 UTC by Report Bug Copy Issue Report Using `exit` here is not recommended. In general, usage of exit should be done with care and only when running in a scripting context like a CLI script. Loading history...
177			}
178
179			// Creating detached copy of previous frame image
180			$sizeX = imagesx($prevFrame->gdImage);
181			$sizeY = imagesy($prevFrame->gdImage);
182			}
183			$newGdImage = imagecreatetruecolor($sizeX, $sizeY);
184			imagealphablending($newGdImage, false);
185			imagesavealpha($newGdImage, true);
186			$color = imagecolorallocatealpha($newGdImage, 0, 0, 0, 127);
187			imagefill($newGdImage, 0, 0, $color);
188
189			if ($i !== 0) {
190			imagecopy($newGdImage, $prevFrame->gdImage,
			0 ignored issues – show Comprehensibility Best Practice introduced 2024-01-21 07:09 UTC by Report Bug Copy Issue Report The variable `$prevFrame` does not seem to be defined for all execution paths leading up to this point. Loading history...
191			0, 0,
192			0, 0, imagesx($prevFrame->gdImage), imagesy($prevFrame->gdImage)
193			);
194
195			if ($prevFrame->getDisposalMethod() === 2) {
196			imagefilledrectangle($newGdImage,
197			$prevFrame->getOffset()->getX(), $prevFrame->getOffset()->getY(),
198			$prevFrame->getOffset()->getX() + ($prevFrame->getSize()->getWidth() - 1),
199			$prevFrame->getOffset()->getY() + ($prevFrame->getSize()->getHeight() - 1),
200			$color
201			);
202			}
203			}
204
205			$anImage = $thisFrame->createGDImage();
206			imagecopy($newGdImage, $anImage,
207			$thisFrame->getOffset()->getX(), $thisFrame->getOffset()->getY(),
208			0, 0, imagesx($anImage), imagesy($anImage)
209			);
210
211			return $thisFrame->gdImage = $newGdImage;
212			}
213
214			}
215

supernova-ws / SuperNova

SpriteLineGif::expandFrame() B last analyzed 2025-05-16 15:34 UTC

Complexity

Size

Duplication

Importance

How to fix Long Method

Long Method

Duplication Side-by-Side

Filter issues like

SpriteLineGif::expandFrame() B
last analyzed 2025-05-16 15:34 UTC