fromjpeg')) { copy($sourcefile, $destfile); $return = array('filesize' => filesize($destfile), 'width' => $src_width, 'height' => $src_height); return $return; } $src_scale = $src_width / $src_height; $des_scale = $forcedwidth / $forcedheight; if ($src_width <= $forcedwidth && $src_height <= $forcedheight) { $des_width = $src_width; $des_height = $src_height; } elseif ($src_scale >= $des_scale) { $des_width = ($src_width >= $forcedwidth) ? $forcedwidth : $src_width; $des_height = $des_width / $src_scale; $des_height = ($des_height >= $forcedheight) ? $forcedheight : $des_height; } else { $des_height = ($src_height >= $forcedheight) ? $forcedheight : $src_height; $des_width = $des_height * $src_scale; $des_width = ($des_width >= $forcedwidth) ? $forcedwidth : $des_width; } $des_width = ceil($des_width); $des_height = ceil($des_height); switch ($getimgsize['mime']) { case 'image/jpeg': $img_src = imagecreatefromjpeg($sourcefile); !$img_src && $img_src = imagecreatefromgif($sourcefile); break; case 'image/gif': $img_src = imagecreatefromgif($sourcefile); !$img_src && $img_src = imagecreatefromjpeg($sourcefile); break; case 'image/png': $img_src = imagecreatefrompng($sourcefile); break; case 'image/wbmp': $img_src = imagecreatefromwbmp($sourcefile); break; default : return $return; } if (!$img_src) return $return; $img_dst = imagecreatetruecolor($des_width, $des_height); imagefill($img_dst, 0, 0, 0xFFFFFF); imagecopyresampled($img_dst, $img_src, 0, 0, 0, 0, $des_width, $des_height, $src_width, $src_height); $tmppath = isset($conf['tmp_path']) ? $conf['tmp_path'] : ini_get('upload_tmp_dir') . '/'; '/' == $tmppath AND $tmppath = './tmp/'; $tmpfile = $tmppath . md5($destfile) . '.tmp'; switch ($destext) { case 'jpg': imagejpeg($img_dst, $tmpfile, 75); break; case 'jpeg': imagejpeg($img_dst, $tmpfile, 75); break; case 'gif': imagegif($img_dst, $tmpfile); break; case 'png': imagepng($img_dst, $tmpfile); break; } $r = array('filesize' => filesize($tmpfile), 'width' => $des_width, 'height' => $des_height);; copy($tmpfile, $destfile); is_file($tmpfile) && unlink($tmpfile); imagedestroy($img_dst); return $r; } function well_image_clip($sourcefile, $destfile, $clipx, $clipy, $clipwidth, $clipheight, $getimgsize = '') { global $conf; empty($getimgsize) AND $getimgsize = getimagesize($sourcefile); if (empty($getimgsize)) { return 0; } else { $imgwidth = $getimgsize[0]; $imgheight = $getimgsize[1]; if (0 == $imgwidth || 0 == $imgheight) { return 0; } } if (!function_exists('imagecreatefromjpeg')) { copy($sourcefile, $destfile); return filesize($destfile); } switch ($getimgsize[2]) { case 1 : $imgcolor = imagecreatefromgif($sourcefile); break; case 2 : $imgcolor = imagecreatefromjpeg($sourcefile); break; case 3 : $imgcolor = imagecreatefrompng($sourcefile); break; case 15: $imgcolor = imagecreatefromwbmp($sourcefile); break; case 18: $imgcolor = imagecreatefromwebp($sourcefile); break; } if (!$imgcolor) return 0; $img_dst = imagecreatetruecolor($clipwidth, $clipheight); imagefill($img_dst, 0, 0, 0xFFFFFF); imagecopyresampled($img_dst, $imgcolor, 0, 0, $clipx, $clipy, $imgwidth, $imgheight, $imgwidth, $imgheight); $tmppath = isset($conf['tmp_path']) ? $conf['tmp_path'] : ini_get('upload_tmp_dir') . '/'; '/' == $tmppath AND $tmppath = './tmp/'; $tmpfile = $tmppath . md5($destfile) . '.tmp'; imagejpeg($img_dst, $tmpfile, 75); $n = filesize($tmpfile); copy($tmpfile, $destfile); is_file($tmpfile) && unlink($tmpfile); return $n; } function well_image_ext($filename) { return strtolower(substr(strrchr($filename, '.'), 1)); } ?>变卡顿
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