PHP - 将图像放在另一个图像上

问题描述：

我想使用php将图像放在另一个图像上。我有两张照片。一张是照片。另一个是固定大小，全白的图像。我们可以称之为框架。所以我需要的是将照片放在画面的中间（白色图像），然后保存。任何人都可以帮助我吗？

I want to place an image over another image using php. I have two images. One is a photo. And other one is a image, of fixed size, full white. We can call this as frame. So what i need is place the photo in the middle of the frame (white image) and then save it. Can anyone pls help me?

答

要做这种工作，你需要使用GD library 或 ImageMagic

to do this kind of work, you need to use GD library or ImageMagic

此代码适用于GD库

       $photo_to_paste="image_to_paste.jpg";  //image 321 x 400
       $white_image="white_image.jpg"; //873 x 622 

        $im = imagecreatefromjpeg($white_image);
        $condicion = GetImageSize($photo_to_paste); // image format?

        if($condicion[2] == 1) //gif
        $im2 = imagecreatefromgif("$photo_to_paste");
        if($condicion[2] == 2) //jpg
        $im2 = imagecreatefromjpeg("$photo_to_paste");
        if($condicion[2] == 3) //png
        $im2 = imagecreatefrompng("$photo_to_paste");

        imagecopy($im, $im2, (imagesx($im)/2)-(imagesx($im2)/2), (imagesy($im)/2)-(imagesy($im2)/2), 0, 0, imagesx($im2), imagesy($im2));

        imagejpeg($im,"test4.jpg",90);
        imagedestroy($im);
        imagedestroy($im2);

该代码将输出：

that code will output:

PHP - 将图像放在另一个图像上

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