PHP WT_I18N::reverseText方法代码示例

function embedText($im, $text, $maxsize, $color, $font, $vpos, $hpos)
{
    global $useTTF;
    // there are two ways to embed text with PHP
    // (preferred) using GD and FreeType you can embed text using any True Type font
    // (fall back) if that is not available, you can insert basic monospaced text
    if ($useTTF) {
        // imagettftext is available, make sure the requested font exists
        if (!isset($font) || $font == '' || !file_exists(WT_ROOT . 'includes/fonts/' . $font)) {
            $font = 'DejaVuSans.ttf';
            // this font ships with webtrees
            if (!file_exists(WT_ROOT . 'includes/fonts/' . $font)) {
                $useTTF = false;
            }
        }
    }
    # no errors if an invalid color string was passed in, just strange colors
    $col = explode(",", $color);
    $textcolor = @imagecolorallocate($im, $col[0], $col[1], $col[2]);
    // paranoia is good!  make sure all variables have a value
    if (!isset($vpos) || $vpos != "top" && $vpos != "middle" && $vpos != "bottom" && $vpos != "across") {
        $vpos = "middle";
    }
    if ($vpos == "across" && (!isset($hpos) || $hpos != "left" && $hpos != "right" && $hpos != "top2bottom" && $hpos != "bottom2top")) {
        $hpos = "left";
    }
    // make adjustments to settings that imagestring and imagestringup can’t handle
    if (!$useTTF) {
        // imagestringup only writes up, can’t use top2bottom
        if ($hpos == "top2bottom") {
            $hpos = "bottom2top";
        }
    }
    $text = WT_I18N::reverseText($text);
    $height = imagesy($im);
    $width = imagesx($im);
    $calc_angle = rad2deg(atan($height / $width));
    $hypoth = $height / sin(deg2rad($calc_angle));
    // vertical and horizontal position of the text
    switch ($vpos) {
        case "top":
            $taille = textlength($maxsize, $width, $text);
            $pos_y = $height * 0.15 + $taille;
            $pos_x = $width * 0.15;
            $rotation = 0;
            break;
        case "middle":
            $taille = textlength($maxsize, $width, $text);
            $pos_y = ($height + $taille) / 2;
            $pos_x = $width * 0.15;
            $rotation = 0;
            break;
        case "bottom":
            $taille = textlength($maxsize, $width, $text);
            $pos_y = $height * 0.85 - $taille;
            $pos_x = $width * 0.15;
            $rotation = 0;
            break;
        case "across":
            switch ($hpos) {
                case "left":
                    $taille = textlength($maxsize, $hypoth, $text);
                    $pos_y = $height * 0.85 - $taille;
                    $pos_x = $width * 0.15;
                    $rotation = $calc_angle;
                    break;
                case "right":
                    $taille = textlength($maxsize, $hypoth, $text);
                    $pos_y = $height * 0.15 - $taille;
                    $pos_x = $width * 0.85;
                    $rotation = $calc_angle + 180;
                    break;
                case "top2bottom":
                    $taille = textlength($maxsize, $height, $text);
                    $pos_y = $height * 0.15 - $taille;
                    $pos_x = $width * 0.9 - $taille;
                    $rotation = -90;
                    break;
                case "bottom2top":
                    $taille = textlength($maxsize, $height, $text);
                    $pos_y = $height * 0.85;
                    $pos_x = $width * 0.15;
                    $rotation = 90;
                    break;
            }
            break;
        default:
    }
    // apply the text
    if ($useTTF) {
        // if imagettftext throws errors, catch them with a custom error handler
        set_error_handler("imagettftextErrorHandler");
        imagettftext($im, $taille, $rotation, $pos_x, $pos_y, $textcolor, 'includes/fonts/' . $font, $text);
        restore_error_handler();
    }
    // Don’t use an ‘else’ here since imagettftextErrorHandler may have changed the value of $useTTF from true to false
    if (!$useTTF) {
        if ($rotation != 90) {
            imagestring($im, 5, $pos_x, $pos_y, $text, $textcolor);
        } else {
//.........这里部分代码省略.........

 /**
  * Generate both the HTML and PNG components of the fan chart
  *
  * The HTML and PNG components both require the same co-ordinate calculations,
  * so we generate them using the same code, but we send them in separate
  * HTTP requests.
  *
  * @param string   $what     "png" or "html"
  * @param string[] $fanChart Presentation parameters, provided by the theme.
  *
  * @return string
  */
 public function generate_fan_chart($what, $fanChart)
 {
     $treeid = ancestry_array($this->root->getXref(), $this->generations);
     $fanw = 640 * $this->fan_width / 100;
     $fandeg = 90 * $this->fan_style;
     $html = '';
     $treesize = count($treeid);
     // generations count
     $gen = log($treesize) / log(2) - 1;
     $sosa = $treesize - 1;
     // fan size
     if ($fandeg == 0) {
         $fandeg = 360;
     }
     $fandeg = min($fandeg, 360);
     $fandeg = max($fandeg, 90);
     $cx = $fanw / 2 - 1;
     // center x
     $cy = $cx;
     // center y
     $rx = $fanw - 1;
     $rw = $fanw / ($gen + 1);
     $fanh = $fanw;
     // fan height
     if ($fandeg == 180) {
         $fanh = round($fanh * ($gen + 1) / ($gen * 2));
     }
     if ($fandeg == 270) {
         $fanh = round($fanh * 0.86);
     }
     $scale = $fanw / 640;
     // image init
     $image = ImageCreate($fanw, $fanh);
     $white = ImageColorAllocate($image, 0xff, 0xff, 0xff);
     ImageFilledRectangle($image, 0, 0, $fanw, $fanh, $white);
     ImageColorTransparent($image, $white);
     $color = ImageColorAllocate($image, hexdec(substr($fanChart['color'], 1, 2)), hexdec(substr($fanChart['color'], 3, 2)), hexdec(substr($fanChart['color'], 5, 2)));
     $bgcolor = ImageColorAllocate($image, hexdec(substr($fanChart['bgColor'], 1, 2)), hexdec(substr($fanChart['bgColor'], 3, 2)), hexdec(substr($fanChart['bgColor'], 5, 2)));
     $bgcolorM = ImageColorAllocate($image, hexdec(substr($fanChart['bgMColor'], 1, 2)), hexdec(substr($fanChart['bgMColor'], 3, 2)), hexdec(substr($fanChart['bgMColor'], 5, 2)));
     $bgcolorF = ImageColorAllocate($image, hexdec(substr($fanChart['bgFColor'], 1, 2)), hexdec(substr($fanChart['bgFColor'], 3, 2)), hexdec(substr($fanChart['bgFColor'], 5, 2)));
     // imagemap
     $imagemap = '<map id="fanmap" name="fanmap">';
     // loop to create fan cells
     while ($gen >= 0) {
         // clean current generation area
         $deg2 = 360 + ($fandeg - 180) / 2;
         $deg1 = $deg2 - $fandeg;
         ImageFilledArc($image, $cx, $cy, $rx, $rx, $deg1, $deg2, $bgcolor, IMG_ARC_PIE);
         $rx -= 3;
         // calculate new angle
         $p2 = pow(2, $gen);
         $angle = $fandeg / $p2;
         $deg2 = 360 + ($fandeg - 180) / 2;
         $deg1 = $deg2 - $angle;
         // special case for rootid cell
         if ($gen == 0) {
             $deg1 = 90;
             $deg2 = 360 + $deg1;
         }
         // draw each cell
         while ($sosa >= $p2) {
             $pid = $treeid[$sosa];
             $person = WT_Individual::getInstance($pid);
             if ($person) {
                 $name = $person->getFullName();
                 $addname = $person->getAddName();
                 $text = WT_I18N::reverseText($name);
                 if ($addname) {
                     $text .= "\n" . WT_I18N::reverseText($addname);
                 }
                 $text .= "\n" . WT_I18N::reverseText($person->getLifeSpan());
                 switch ($person->getSex()) {
                     case 'M':
                         $bg = $bgcolorM;
                         break;
                     case 'F':
                         $bg = $bgcolorF;
                         break;
                     case 'U':
                         $bg = $bgcolor;
                         break;
                 }
                 ImageFilledArc($image, $cx, $cy, $rx, $rx, $deg1, $deg2, $bg, IMG_ARC_PIE);
                 // split and center text by lines
                 $wmax = (int) ($angle * 7 / $fanChart['size'] * $scale);
                 $wmax = min($wmax, 35 * $scale);
                 if ($gen == 0) {
                     $wmax = min($wmax, 17 * $scale);
//.........这里部分代码省略.........