source: temp/trunk/html/admin/total/class/lib.php @ 1328

<?php

// ±ß¤ÎÃæ¿´ÅÀ¤Èľ·Â¤«¤é¸Ì¤Î½ªÃ¼ºÂɸ¤ò»»½Ð¤¹¤ë¡£
/*
    $cx : Ãæ¿´ÅÀXºÂɸ
    $cy : Ãæ¿´ÅÀYºÂɸ
    $r  : Ⱦ·Â
    $e  : ³ÑÅÙ
*/
function lfGetArcPos($cx, $cy, $cw, $ch, $e) {
    // »°³Ñ´Ø¿ôÍѤγÑÅÙ¤òµá¤á¤ë
    $s = 90 - $e;
    $r = $cw / 2;
    // °ÌÃÖ¤òµá¤á¤ë
    $x = $cx + ($r * cos(deg2rad($s)));
    $y = $cy - (($r * sin(deg2rad($s))) * ($ch / $cw));     
    return array(round($x), round($y));
}



/* ²èÁü¤Ë¥Æ¥­¥¹¥È¤òÉÁ²è¤¹¤ë */
function lfImageText($dst_image, $text, $font_size, $left, $top, $font, $arrRGB) {
    $color = ImageColorAllocate($dst_image, $arrRGB[0], $arrRGB[1], $arrRGB[2]);
    $text = mb_convert_encoding($text, "UTF-8", "EUC-JP");
    // ɽ¼¨³ÑÅÙ 
    $angle = 0;
    // ¥Æ¥­¥¹¥ÈÉÁ²è
    ImageTTFText($dst_image, $font_size, $angle, $left, $top, $color, $font, $text);
}

// ɽ¼¨¿§¤Î¼èÆÀ
function lfGetImageColor($image, $array) {
    if(count($array) != 3) {
        return NULL;
    }
    $ret = imagecolorallocate($image, $array[0], $array[1], $array[2]);
    return $ret;
}

// ±ÆÍÑɽ¼¨¿§¤Î¼èÆÀ
function lfGetImageDarkColor($image, $array) {
    if(count($array) != 3) {
        return NULL;
    }
    $i = 0;
    foreach($array as $val) {
        $dark[$i] = $val - 45;
        if($dark[$i] < 0) {
            $dark[$i] = 0;
        }
        $i++;
    }
    $ret = imagecolorallocate($image, $dark[0], $dark[1], $dark[2]);
    return $ret;
}
?>