基本上,我有2個PHP腳本。 1個php腳本是顯示的,另外1個是水印功能。在PHP中爲圖像添加水印
我用這個PHP與水印顯示圖像:
<img src="watermark1.php?image=photo.jpg>
這是我watermark1.php:
<?php
// this tells the browser to render jpg image
header('content-type: image/jpeg');
// getting the image name from GET variable
$image = $_GET['image'];
// creating png image of watermark
$watermark = imagecreatefrompng('watermark.png');
// getting dimensions of watermark image
$watermark_width = imagesx($watermark);
$watermark_height = imagesy($watermark);
// creating jpg from original image
$image_path = $image;
$image = imagecreatefromjpeg($image_path);
//something went wrong
if ($image === false) {
return false;
}
// getting the dimensions of original image
$size = getimagesize($image_path);
// placing the watermark 5px from bottom and right
$dest_x = $size[0] - $watermark_width - 5;
$dest_y = $size[1] - $watermark_height - 5;
// blending the images together
imagealphablending($image, true);
imagealphablending($watermark, true);
// creating the new image
imagecopy($image, $watermark, $dest_x, $dest_y, 0, 0, $watermark_width, $watermark_height);
imagejpeg($image);
// destroying and freeing memory
imagedestroy($image);
imagedestroy($watermark);
?>
然而,水印圖像無法顯示。我聽說過GDLibrary和ImageMagicK,但我不知道這2個是關於什麼的。有沒有一種方法可以通過添加php代碼來添加水印,還是必須導入GDLibrary/ImageMagicK。
感謝您抽出時間。
您好,感謝您的回覆!我已經下載了GDLibrary!我如何啓用GD,以及如何將這個GD導入到我的項目中? – dada050909 2012-01-12 03:36:33
我更新了。訪問上面的鏈接。 – 2012-01-12 09:53:35
嗨,謝謝,它已經解決了。 :) – dada050909 2012-01-27 06:44:05