1--TEST-- 2imagecopyresampled() 3--SKIPIF-- 4<?php 5 if (!function_exists('imagecopyresampled')) die('skip imagecopyresampled() not available'); 6?> 7--FILE-- 8<?php 9 10/* Prototype : bool imagecopyresampled ( resource $dst_image , resource $src_image , int $dst_x , int $dst_y , int $src_x , int $src_y , int $dst_w , int $dst_h , int $src_w , int $src_h ) 11 * Description: Copy and resize part of an image with resampling. 12 * Source code: ext/standard/image.c 13 * Alias to functions: 14 */ 15 16echo "Simple test of imagecopyresampled() function\n"; 17 18$dest_lge = dirname(realpath(__FILE__)) . '/imagelarge.png'; 19$dest_sml = dirname(realpath(__FILE__)) . '/imagesmall.png'; 20 21// create a blank image 22$image_lge = imagecreatetruecolor(400, 300); 23 24// set the background color to black 25$bg = imagecolorallocate($image_lge, 0, 0, 0); 26 27// fill polygon with blue 28$col_ellipse = imagecolorallocate($image_lge, 0, 255, 0); 29 30// draw the eclipse 31imagefilledellipse($image_lge, 200, 150, 300, 200, $col_ellipse); 32 33// output the picture to a file 34imagepng($image_lge, $dest_lge); 35 36// Get new dimensions 37$percent = 0.5; // new image 50% of original 38list($width, $height) = getimagesize($dest_lge); 39echo "Size of original: width=". $width . " height=" . $height . "\n"; 40 41$new_width = $width * $percent; 42$new_height = $height * $percent; 43 44// Resample 45$image_sml = imagecreatetruecolor($new_width, $new_height); 46imagecopyresampled($image_sml, $image_lge, 0, 0, 0, 0, $new_width, $new_height, $width, $height); 47 48imagepng($image_sml, $dest_sml); 49 50list($width, $height) = getimagesize($dest_sml); 51echo "Size of copy: width=". $width . " height=" . $height . "\n"; 52 53imagedestroy($image_lge); 54imagedestroy($image_sml); 55 56 57echo "Done\n"; 58?> 59--CLEAN-- 60<?php 61 $dest_lge = dirname(realpath(__FILE__)) . '/imagelarge.png'; 62 $dest_sml = dirname(realpath(__FILE__)) . '/imagesmall.png'; 63 @unlink($dest_lge); 64 @unlink($dest_sml); 65?> 66--EXPECT-- 67Simple test of imagecopyresampled() function 68Size of original: width=400 height=300 69Size of copy: width=200 height=150 70Done 71