function weldOverview2PNG($url_overview, $url_extent, $filename)
{
if (!$url_overview || $url_overview == "") {
$e = new mb_exception("weldOverview2PNG: no maprequests delivered");
}
$url = $url_overview;
$obj1 = new stripRequest($url);
$width = $obj1->get("width");
$height = $obj1->get("height");
/*
$e = new mb_exception("--------overview-----------------");
$e = new mb_exception("-----width ".$width." / height: ".$height."--------------------");
$e = new mb_exception("url_overview: ".$url_overview);
$e = new mb_exception("url_extent: ".$url_extent);
*/
$image = imagecreatetruecolor($width, $height);
$white = ImageColorAllocate($image, 255, 255, 255);
ImageFilledRectangle($image, 0, 0, $width, $height, $white);
//overview
$obj = new stripRequest($url_overview);
$xurl_overview = $obj->setPNG();
$xurl_overview = $obj->encodeGET();
$img = $this->loadpng($xurl_overview);
if ($img != false) {
imagecopy($image, $img, 0, 0, 0, 0, $width, $height);
} else {
$e = new mb_exception("weldMaps2PNG: unable to load image: " . $url_overview);
}
// rectangle - position of the map in the overview
$objx = new stripRequest($url_extent);
$ex_width = $objx->get("width");
$ex_height = $objx->get("height");
$extent = explode(",", $objx->get("BBOX"));
$lowerleft = $this->makeRealWorld2mapPos($url_overview, round($extent[0]), round($extent[1]));
$upperright = $this->makeRealWorld2mapPos($url_overview, $extent[2], $extent[3]);
/*
$e = new mb_exception("ex_width: " .$ex_width);
$e = new mb_exception("ex_height: " . $ex_height);
$e = new mb_exception("bbox:".$extent[0]."--".$extent[1]."--".$extent[2]."--------".$extent[3]);
$e = new mb_exception("ll: " . $lowerleft[0]." / ".$lowerleft[1]);
$e = new mb_exception("ur: " . $upperright[0]." / ".$upperright[1]);
*/
$lowerleft[0] = round($lowerleft[0]);
$lowerleft[1] = round($lowerleft[1]);
$upperright[0] = round($upperright[0]);
$upperright[1] = round($upperright[1]);
$red = ImageColorAllocate($image, 255, 0, 0);
imageline($image, $lowerleft[0], $upperright[1], $upperright[0], $upperright[1], $red);
imageline($image, $upperright[0], $upperright[1], $upperright[0], $lowerleft[1], $red);
imageline($image, $upperright[0], $lowerleft[1], $lowerleft[0], $lowerleft[1], $red);
imageline($image, $lowerleft[0], $lowerleft[1], $lowerleft[0], $upperright[1], $red);
// black frame - size of the overview
$black = ImageColorAllocate($image, 0, 0, 0);
imageline($image, 0, 0, $width - 1, 0, $black);
imageline($image, $width - 1, 0, $width - 1, $height - 1, $black);
imageline($image, $width - 1, $height - 1, 0, $height - 1, $black);
imageline($image, 0, $height - 1, 0, 0, $black);
imagepng($image, $filename);
imagedestroy($image);
}
function weldMaps2PNG($urls, $filename, $encode = true)
{
if (!$urls || $urls == "") {
$e = new mb_exception("weldMaps2PNG: no maprequests delivered");
}
$url = explode("___", $urls);
$obj1 = new stripRequest($url[0]);
$width = $obj1->get("width");
$height = $obj1->get("height");
$image = imagecreatetruecolor($width, $height);
$white = ImageColorAllocate($image, 255, 255, 255);
ImageFilledRectangle($image, 0, 0, $width, $height, $white);
for ($i = 0; $i < count($url); $i++) {
$obj = new stripRequest($url[$i]);
$url[$i] = $obj->setPNG();
$url[$i] = $obj->encodeGET($encode);
$img = $this->loadpng($url[$i]);
if ($img != false) {
imagecopy($image, $img, 0, 0, 0, 0, $width, $height);
@imagedestroy($img);
} else {
$e = new mb_exception("weldMaps2PNG: unable to load image: " . $url[$i]);
}
}
imagepng($image, $filename);
imagedestroy($image);
}
