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40 lines
1.4 KiB
40 lines
1.4 KiB
7 months ago
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<?php
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/**
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* desription 压缩图片
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* @param sting $imgsrc 图片路径
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* @param string $imgdst 压缩后保存路径
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*/
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function image_png_size_add($imgsrc,$imgdst){
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list($width,$height,$type)=getimagesize($imgsrc);
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$new_width = ($width>600?600:$width)*0.9;
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$new_height =($height>600?600:$height)*0.9;
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switch($type){
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case 1:
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$giftype=check_gifcartoon($imgsrc);
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if($giftype){
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header('Content-Type:image/gif');
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$image_wp=imagecreatetruecolor($new_width, $new_height);
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$image = imagecreatefromgif($imgsrc);
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imagecopyresampled($image_wp, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
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imagejpeg($image_wp, $imgdst,75);
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imagedestroy($image_wp);
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}
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break;
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case 2:
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header('Content-Type:image/jpeg');
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$image_wp=imagecreatetruecolor($new_width, $new_height);
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$image = imagecreatefromjpeg($imgsrc);
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imagecopyresampled($image_wp, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
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imagejpeg($image_wp, $imgdst,75);
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imagedestroy($image_wp);
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break;
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case 3:
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header('Content-Type:image/png');
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$image_wp=imagecreatetruecolor($new_width, $new_height);
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$image = imagecreatefrompng($imgsrc);
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imagecopyresampled($image_wp, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
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imagejpeg($image_wp, $imgdst,75);
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imagedestroy($image_wp);
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break;
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}
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}
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