这个php中的图片处理类完全足够了,使用图片水印
$groundImg = "DSC05940.jpeg";
$groundInfo = getimagesize($groundImg);
$ground_w = $groundInfo[0];
//print_r($groundInfo);
$ground_h = $groundInfo[1];
switch($groundInfo[2]){
case 1:
$ground_im = imagecreatefromgif($groundImg);
break;
case 2:
$ground_im = imagecreatefromjpeg($groundImg);
break;
case 3:
$ground_im = imagecreatefrompng($groundImg);
break;
}
$waterImg = "DSC05949.jpeg";
$imgInfo =getimagesize($waterImg);
$water_w = $imgInfo[0];
$water_w = $imgInfo[1];
switch($imgInfo[2]){
case 1:
$water_im = imagecreatefromgif($waterImg);
break;
case 2:
$water_im = imagecreatefromjpeg($waterImg);
break;
case 3:
$water_im = imagecreatefrompng($waterImg);
break;
}
imagecopy($ground_im,$water_im,100,100,0,0,500,500);
header("Content-type: image/jpeg");
imagejpeg($ground_im);
这些都很麻烦,建议使用框架,很多框架都提供了图片处理类供使用
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