imagecopyresampled 인수... 수학 잘하시는 분 있나요 ㅠ; 채택완료

</p><p><?php</p><p> </p><p>/*</p><p>imagecopyresampled($dst, $src, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h);</p><p> </p><p>$src_x : 원본의 시작되는 x축 좌표</p><p>$src_y : 원본의 시작되는 y축 좌표</p><p>$dst_x : 사본의 시작되는 x축 좌표</p><p>$dst_y : 사본의 시작되는 y축 좌표</p><p>$src_w : 원본의 가로길이</p><p>$src_h : 원본의 세로길이</p><p>$dst_x : 사본의 가로길이</p><p>$dst_y : 사본의 세로길이</p><p> </p><p> </p><p>*/</p><p> </p><p>$src_img = "/imgs/img_gen0016_01.jpg";</p><p>$src_img = "/home/gjm/public_html".$src_img;</p><p> </p><p>thumb($src_img, 100 , 200,50,false);</p><p> </p><p>function thumb($src,$quality,$w,$h,$saveas) { </p><p><span class="Apple-tab-span" style="white-space:pre">	</span>list($width,$height)=getimagesize($src);</p><p><span class="Apple-tab-span" style="white-space:pre">	</span>$ratio = array($w / $width , $h / $height);</p><p> </p><p><span class="Apple-tab-span" style="white-space:pre">	</span>// 작은 쪽을 기준으로 이미지를 변환</p><p><span class="Apple-tab-span" style="white-space:pre">	</span>if($ratio[0] > $ratio[1])</p><p><span class="Apple-tab-span" style="white-space:pre">	</span>{</p><p><span class="Apple-tab-span" style="white-space:pre">		</span>$dst['w'] = round($width * $ratio[1]);</p><p><span class="Apple-tab-span" style="white-space:pre">		</span>$dst['h'] = round($height * $ratio[1]);</p><p><span class="Apple-tab-span" style="white-space:pre">		</span>$dst['x'] = ($w - round($width * $ratio[1]) ) / 2;</p><p><span class="Apple-tab-span" style="white-space:pre">		</span>$dst['y'] = ($h - round($height * $ratio[1]) ) / 2;</p><p><span class="Apple-tab-span" style="white-space:pre">	</span>}</p><p><span class="Apple-tab-span" style="white-space:pre">	</span>else</p><p><span class="Apple-tab-span" style="white-space:pre">	</span>{</p><p><span class="Apple-tab-span" style="white-space:pre">		</span>$dst['w'] = round($width * $ratio[0]);</p><p><span class="Apple-tab-span" style="white-space:pre">		</span>$dst['h'] = round($height * $ratio[0]);</p><p><span class="Apple-tab-span" style="white-space:pre">		</span>$dst['x'] = ($w - round($width * $ratio[0]) ) / 2;</p><p><span class="Apple-tab-span" style="white-space:pre">		</span>$dst['y'] = ($h - round($height * $ratio[0]) ) / 2;</p><p><span class="Apple-tab-span" style="white-space:pre">	</span>}</p><p><span class="Apple-tab-span" style="white-space:pre">	</span>$dst_img = imagecreatetruecolor($dst['w'],$dst['h']); </p><p><span class="Apple-tab-span" style="white-space:pre">	</span>$src_img = imagecreatefromjpeg($src);</p><p> </p><p> </p><p><span class="Apple-tab-span" style="white-space:pre">	</span>// 비율에 맞춰 썸네일 크기에 다 들어가도록 1차 변환</p><p><span class="Apple-tab-span" style="white-space:pre">	</span>imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $dst['w'], $dst['h'], $width, $height);</p><p> </p><p><span class="Apple-tab-span" style="white-space:pre">	</span>$dst['image'] = imagecreatetruecolor($w, $h);</p><p><span class="Apple-tab-span" style="white-space:pre">	</span>imagealphablending($dst['image'], FALSE);</p><p><span class="Apple-tab-span" style="white-space:pre">	</span>imagesavealpha($dst['image'], TRUE);</p><p> </p><p><span class="Apple-tab-span" style="white-space:pre">	</span>$transparent = imagecolorallocatealpha($dst['image'], 255, 255, 255, 127);</p><p><span class="Apple-tab-span" style="white-space:pre">	</span>imagefilledrectangle($dst['image'], 0, 0, $w, $h, $transparent);</p><p> </p><p><span class="Apple-tab-span" style="white-space:pre">	</span>// 썸네일에 맞게 나오도록 2차 변환</p><p><span class="Apple-tab-span" style="white-space:pre">	</span>imagecopyresampled($dst['image'], $dst_img, $dst['x'], $dst['y'], 0, 0, $dst['w'], $dst['h'], $dst['w'], $dst['h']);</p><p><span class="Apple-tab-span" style="white-space:pre">	</span>header('Content-Type: image/jpeg');</p><p><span class="Apple-tab-span" style="white-space:pre">	</span>imagejpeg($dst['image'], null, 100);</p><p> </p><p>}  </p><p>