43 lines
1.0 KiB
PHP
43 lines
1.0 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Intervention\Gif\Decoders;
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use Intervention\Gif\Blocks\ColorTable;
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use Intervention\Gif\Blocks\ImageData;
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use Intervention\Gif\Blocks\ImageDescriptor;
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use Intervention\Gif\Blocks\TableBasedImage;
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use Intervention\Gif\Exceptions\DecoderException;
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class TableBasedImageDecoder extends AbstractDecoder
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{
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/**
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* Decode TableBasedImage
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*
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* @throws DecoderException
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* @return TableBasedImage
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*/
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public function decode(): TableBasedImage
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{
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$block = new TableBasedImage();
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$block->setImageDescriptor(ImageDescriptor::decode($this->handle));
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if ($block->getImageDescriptor()->hasLocalColorTable()) {
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$block->setColorTable(
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ColorTable::decode(
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$this->handle,
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$block->getImageDescriptor()->getLocalColorTableByteSize()
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)
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);
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}
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$block->setImageData(
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ImageData::decode($this->handle)
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);
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return $block;
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}
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}
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