Imagick::flipImage()
(PECL imagick 2.0.0)
Creates a vertical mirror image
说明
Imagick::flipImage(void): bool
Creates a vertical mirror image by reflecting the pixels around the central x-axis.
返回值
成功时返回TRUE
。
错误/异常
错误时抛出 ImagickException。
范例
Example #1 Imagick::flipImage()
<?php function flipImage($imagePath) { $imagick = new \Imagick(realpath($imagePath)); $imagick->flipImage(); header("Content-Type: image/jpg"); echo $imagick->getImageBlob(); } ?>
To avoid the x-axis and y-axis discussion, flipping emulates a mirror at the bottom (or top) of the image. ʇo ɐʌoıp ʇɥǝ x-ɐxıs ɐup ʎ-ɐxıs pısɔnssıou, ɟןıddıuƃ ǝɯnןɐʇǝs ɐ ɯıɹɹoɹ ɐʇ ʇɥǝ qoʇʇoɯ )oɹ ʇod( oɟ ʇɥǝ ıɯɐƃǝ˙
They mean, "Creates a horizontal mirror image by reflecting the pixels around the central y-axis."