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getimagesize
•$src ·ÎºÎÅÍ °£´ÜÇÑ À̹ÌÁöÁ¤º¸¸¦ Àоî¿Â´Ù.
•$size = getimagesize($src)
◦$size[0] : À̹ÌÁö °¡·Î»çÀÌÁî
◦$size[1] : À̹ÌÁö ¼¼·Î»çÀÌÁî
◦$size[2] : À̹ÌÁö Á¾·ù
◦1 gif 2 jpg 3 png ....
◦$size[3] : height="xx" width="xx"
imagecreatefromgif imagecreatefromjpeg imagecreatefrompng
•$src ·Î ºÎÅÍ »õ·Î¿î À̹ÌÁö¸¦ ¸¸µç´Ù.
•$source = imagecreatefromgif($src)imagecreatetruecolor•imagecreate º¸´Ù Ä÷¸®Æ¼°¡ ÁÁ´Ù

•$thumb_width, $thumb_height »çÀÌÁîÀÇ Äµ¹ö½º¸¦ ¸¸µç´Ù

•$thumb_img = imagecreatetruecolor($thumb_width, $thumb_height);imagecolorallocate
•ĵ¹ö½º¿¡ »ö±òÀ» Á¤ÇÒ ¼ö ÀÖ´Ù.(ĵ¹ö½º, R,G,B)

•$white = imagecolorallocate($thumb_img, 255, 255, 255);imagefill
•¹è°æ»öÀ» Ä¥ÇÑ´Ù
•imagefill($thumb_img, 0, 0, $white);imagecopyresampled
•¿øº»»çÀÌÁ º¹»çÇÑ´Ù. À§Ä¡ÁöÁ¤ÀÌ °¡´ÉÇÏ´Ù.•imagecopyresized º¸´Ù Ä÷¸®Æ¼°¡ ÁÁ´Ù
•@imagecopyresampled($thumb_img, $source, $tuumb_width_start, $tuumb_height_start, 0, 0, $jy_thumb_width2, $jy_thumb_height2, $size[0], $size[1]);


•imagecopyresampled(resource dst_im, resource src_im, int dstX, int dstY, int srcX, int srcY, int dstW, int dstH, int srcW, int srcH);
◦±â´É : ¿øº»À̹ÌÁö·ÎºÎÅÍ Å¸°ÙÀ̹ÌÁö·Î À̹ÌÁö¸¦ º¹»çÇÕ´Ï´Ù. À̶§ »çÀÌÁ À§Ä¡¸¦ ÁöÁ¤ÇØ ÁÝ´Ï´Ù.

◦½æ³×ÀÏ »ý¼ºÀÇ ÇÙ½ÉÀÌ µÇ´Â ±¸¹®ÀÔ´Ï´Ù.
◦src_im = ¿øº»À̹ÌÁö¸¦ °¡¸®Å°´Â ½Äº°ÀÚ
◦dst_im = ¿øº»À̹ÌÁö¸¦ º¹»çÇÒ´ë»ó À̹ÌÁö¸¦ °¡¸®Å°´Â ½Äº°ÀÚ
◦srcX, srcY = º¹»çÇϰíÀÚÇÏ´Â ¿øº» À̹ÌÁö ¿µ¿ªÀÇ »ó´ÜÁÂÃøÀÇÁÂÇ¥¸¦ °¡¸®Å°´Â ½Äº°ÀÚ
◦srcW, srcH = ±×ÁÂÇ¥·Î ºÎÅÍ º¹»çÇÒ ºÎºÐÀÇ °¡·Î,¼¼·ÎÅ©±â¸¦ °áÁ¤ÇÏ´Â ÀÎÀÚ◦dstX, dstY, dstW, dstH ¿øº»À̹ÌÁö·ÎºÎÅÍ °¡Á®¿Â À̹ÌÁö¸¦ ´ë»óÀ̹ÌÁö¿¡ º¹»çÇÒ¶§ ±×À§Ä¡¹× º¹»çÇÒ °¡·Î¼¼·ÎÅ©±â¸¦ ÁöÁ¤ÇÏ´Â ÀÎÀÚimagegif imagejpeg imagepng
•À̹ÌÁö¸¦ »ý¼ºÇÑ´Ù(½æÀ̹ÌÁö, ÀúÀå°æ·Î, Ä÷¸®Æ¼)
•imagejpeg($thumb_img, "$path/jysoft.thumb/{$num}", 100);imagedestroy
•À̹ÌÁö°¡ Â÷ÁöÇϰí ÀÖ´Â ¸®¼Ò½º¸¦ ¼­¹ö¿¡ µ¹·ÁÁØ´Ù.
•¸¸µé¾ú´ø À̹ÌÁö ½Äº°ÀÚ¸¦ »èÁ¦ÇÑ´Ù.
•imagedestroy($thumb_img);
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