Forum PHP 2017

jpeg2wbmp

(PHP 4 >= 4.0.5, PHP 5, PHP 7)

jpeg2wbmpConvert JPEG image file to WBMP image file

警告

jpeg2wbmp() has been deprecated as of PHP 7.2.0, and will be removed as of PHP 8.0.0. Use imagecreatefromjpeg() and imagewbmp() instead.

説明

bool jpeg2wbmp ( string $jpegname , string $wbmpname , int $dest_height , int $dest_width , int $threshold )

Converts a JPEG file into a WBMP file.

パラメータ

jpegname

Path to JPEG file.

wbmpname

Path to destination WBMP file.

dest_height

Destination image height.

dest_width

Destination image width.

threshold

Threshold value, between 0 and 8 (inclusive).

返り値

成功した場合に TRUE を、失敗した場合に FALSE を返します。

例1 jpeg2wbmp() example

<?php
// Path to the target jpeg
$path './test.jpg';

// Get the image sizes
$image getimagesize($path);

// Convert image
jpeg2wbmp($path'./test.wbmp'$image[1], $image[0], 5);
?>

参考

  • png2wbmp() - Convert PNG image file to WBMP image file

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barry dot schatz at gmail dot com
8 years ago
Actually this produces black and white images only, as does the jpeg2wbmp function.
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