【问题标题】:How can i build images with php?如何使用 php 构建图像?
【发布时间】:2017-02-01 00:56:50
【问题描述】:

我想从他的 facebook 帐户中获取用户图像,并使用 PHP 基于该帐户创建图像。

http://en.nametests.com/test/result/eligijus/py_2423530448/

有没有相应的 php 库?

【问题讨论】:

    标签: php facebook image-processing


    【解决方案1】:

    您可以使用php GD images functions

    这里是一个给图片添加透明水印的例子(:

    <?php
        // Load the stamp and the photo to apply the watermark to
        $im = imagecreatefromjpeg('photo.jpeg');
    
        // First we create our stamp image manually from GD
        $stamp = imagecreatetruecolor(100, 70);
        imagefilledrectangle($stamp, 0, 0, 99, 69, 0x0000FF);
        imagefilledrectangle($stamp, 9, 9, 90, 60, 0xFFFFFF);
        $im = imagecreatefromjpeg('photo.jpeg');
        imagestring($stamp, 5, 20, 20, 'libGD', 0x0000FF);
        imagestring($stamp, 3, 20, 40, '(c) 2007-9', 0x0000FF);
    
        // Set the margins for the stamp and get the height/width of the stamp image
        $marge_right = 10;
        $marge_bottom = 10;
        $sx = imagesx($stamp);
        $sy = imagesy($stamp);
    
        // Merge the stamp onto our photo with an opacity of 50%
        imagecopymerge($im, $stamp, imagesx($im) - $sx - $marge_right, imagesy($im) - $sy - $marge_bottom, 0, 0, imagesx($stamp), imagesy($stamp), 50);
    
        // Save the image to file and free memory
        imagepng($im, 'photo_stamp.png');
        imagedestroy($im);
    
    ?>
    

    功劳归the official doc。您可以使用这些功能来合并图像、更改大小、格式、添加文本、形状、绘图等...

    【讨论】:

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