PHP GD库处理JPG图片大小变模糊的解决办法

3. header("Content-type: image/png");

4. $temp_width = 150;

5. $temp_height = 180;

6. $img_path = "test.jpg";

7. $img_path2 = "test2.jpg";

8. $im = @imagecreatefromjpeg($img_path);

9. $temp_img=imagecreatetruecolor($temp_width,$temp_height);

10. imagecopyresampled($temp_img,$im,0,0,0,0,$temp_width,$temp_height,$temp_width,$temp_height);
11. //echo $temp_img;
12. //imagejpeg($temp_img);
13. imagepng($im,$img_path2);

14. /*

15. imagecopyresized($temp_img,$im,0,0,0,0,$temp_width,$temp_height,$srcW,$srcH);
16. $ni=imagecreatetruecolor($width,$height);
17. imagecopyresampled
18. $res = function_exists('imagecreatetruecolor');
19. var_dump($res);
20. */
21. ?>
22. 
    
23. 

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