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List of Compression constants are given below: Additionally, you can pass the constant directly like $imagick->setImageCompression(imagick::COMPRESSION_DXT1). Parameters: This function accepts a single parameter $compression which holds an integer matching to one of Imagick::COMPRESSION_* constants. Syntax: bool Imagick::setImageCompression( int $compression )
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How to download a CSV file in PHP that is triggered through a URL ?.Here is the -compress option: -compress type We can use one of the following parameters for type None, BZip, Fax, Group4, jpeg, JPEG2 0 00, Lossless, LZW, RLE, or Zip. If the image in question contains text, or is mostly relevant because of the text stored within it, then strongly consider using a lossless compression.
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install wand $ pip3 install Wand function wand call imageMagick An example of from wand.image import Image from wand.display import display def main(): with Image(filename='1563928708294.png') as img: print(img.size) for r in 1, 2, 3: with img.clone() as i: i.resize(int(i.width * r * 0.25), int(i.height * r * 0.25)) i.rotate(90 * r) i.save(filename='mona-lisa-.png'.format(r)) display(i) if _name_ = '_main_': main()Īfter execution, Three pictures will pop up automatically, And save three output files after image processing. Official websiteīefore using this tool, First you need to install imagemagick Centos7 Installation method of yum install ImageMagick -y windows Installation package download This chapter introduces the use of imagemagick To compress pictures. In daily business development, We often need to compress pictures, The need to save server storage space.