function drawMapLabels(&$im, $map, $mapInfo, $resolveMacros = true)
{
global $colors;
if ($map['label_type'] == MAP_LABEL_TYPE_NOTHING && $map['label_format'] == SYSMAP_LABEL_ADVANCED_OFF) {
return;
}
$selements = $map['selements'];
$allStrings = '';
$labelLines = array();
$statusLines = array();
foreach ($selements as $sid => $selement) {
if (isset($selement['elementsubtype']) && $selement['elementsubtype'] == SYSMAP_ELEMENT_SUBTYPE_HOST_GROUP_ELEMENTS) {
unset($selements[$sid]);
}
}
// set label type and custom label text for all selements
foreach ($selements as $selementId => $selement) {
$selements[$selementId]['label_type'] = $map['label_type'];
if ($map['label_format'] == SYSMAP_LABEL_ADVANCED_OFF) {
continue;
}
switch ($selement['elementtype']) {
case SYSMAP_ELEMENT_TYPE_HOST_GROUP:
$selements[$selementId]['label_type'] = $map['label_type_hostgroup'];
if ($map['label_type_hostgroup'] == MAP_LABEL_TYPE_CUSTOM) {
$selements[$selementId]['label'] = $map['label_string_hostgroup'];
}
break;
case SYSMAP_ELEMENT_TYPE_HOST:
$selements[$selementId]['label_type'] = $map['label_type_host'];
if ($map['label_type_host'] == MAP_LABEL_TYPE_CUSTOM) {
$selements[$selementId]['label'] = $map['label_string_host'];
}
break;
case SYSMAP_ELEMENT_TYPE_TRIGGER:
$selements[$selementId]['label_type'] = $map['label_type_trigger'];
if ($map['label_type_trigger'] == MAP_LABEL_TYPE_CUSTOM) {
$selements[$selementId]['label'] = $map['label_string_trigger'];
}
break;
case SYSMAP_ELEMENT_TYPE_MAP:
$selements[$selementId]['label_type'] = $map['label_type_map'];
if ($map['label_type_map'] == MAP_LABEL_TYPE_CUSTOM) {
$selements[$selementId]['label'] = $map['label_string_map'];
}
break;
case SYSMAP_ELEMENT_TYPE_IMAGE:
$selements[$selementId]['label_type'] = $map['label_type_image'];
if ($map['label_type_image'] == MAP_LABEL_TYPE_CUSTOM) {
$selements[$selementId]['label'] = $map['label_string_image'];
}
break;
}
}
foreach ($selements as $selementId => $selement) {
if (!isset($labelLines[$selementId])) {
$labelLines[$selementId] = array();
}
if (!isset($statusLines[$selementId])) {
$statusLines[$selementId] = array();
}
$msg = $resolveMacros ? CMacrosResolverHelper::resolveMapLabelMacrosAll($selement) : $selement['label'];
$allStrings .= $msg;
$msgs = explode("\n", $msg);
foreach ($msgs as $msg) {
$labelLines[$selementId][] = array('msg' => $msg);
}
$elementInfo = $mapInfo[$selementId];
foreach (array('problem', 'unack', 'maintenance', 'ok', 'status') as $caption) {
if (!isset($elementInfo['info'][$caption]) || zbx_empty($elementInfo['info'][$caption]['msg'])) {
continue;
}
$statusLines[$selementId][] = array('msg' => $elementInfo['info'][$caption]['msg'], 'color' => $elementInfo['info'][$caption]['color']);
$allStrings .= $elementInfo['info'][$caption]['msg'];
}
}
$allLabelsSize = imageTextSize(8, 0, str_replace("\r", '', str_replace("\n", '', $allStrings)));
$labelFontHeight = $allLabelsSize['height'];
$labelFontBaseline = $allLabelsSize['baseline'];
$elementsHostIds = array();
foreach ($selements as $selement) {
if ($selement['label_type'] != MAP_LABEL_TYPE_IP) {
continue;
}
if ($selement['elementtype'] == SYSMAP_ELEMENT_TYPE_HOST) {
$elementsHostIds[] = $selement['elementid'];
}
}
if (!empty($elementsHostIds)) {
$mapHosts = API::Host()->get(array('hostids' => $elementsHostIds, 'output' => array('hostid'), 'selectInterfaces' => API_OUTPUT_EXTEND));
$mapHosts = zbx_toHash($mapHosts, 'hostid');
}
// draw
foreach ($selements as $selementId => $selement) {
if (empty($selement) || $selement['label_type'] == MAP_LABEL_TYPE_NOTHING) {
continue;
}
$elementInfo = $mapInfo[$selementId];
$hl_color = null;
$st_color = null;
if (!isset($_REQUEST['noselements']) && $map['highlight'] % 2 == SYSMAP_HIGHLIGHT_ON) {
if ($elementInfo['icon_type'] == SYSMAP_ELEMENT_ICON_ON) {
$hl_color = true;
}
if ($elementInfo['icon_type'] == SYSMAP_ELEMENT_ICON_MAINTENANCE) {
$st_color = true;
}
if ($elementInfo['icon_type'] == SYSMAP_ELEMENT_ICON_DISABLED) {
$st_color = true;
}
}
if (in_array($selement['elementtype'], array(SYSMAP_ELEMENT_TYPE_HOST_GROUP, SYSMAP_ELEMENT_TYPE_MAP)) && !is_null($hl_color)) {
$st_color = null;
} elseif (!is_null($st_color)) {
$hl_color = null;
}
$labelLocation = is_null($selement['label_location']) || $selement['label_location'] < 0 ? $map['label_location'] : $selement['label_location'];
$label = array();
if ($selement['label_type'] == MAP_LABEL_TYPE_IP && $selement['elementtype'] == SYSMAP_ELEMENT_TYPE_HOST) {
$interface = reset($mapHosts[$selement['elementid']]['interfaces']);
$label[] = array('msg' => $interface['ip']);
$label = array_merge($label, $statusLines[$selementId]);
} elseif ($selement['label_type'] == MAP_LABEL_TYPE_STATUS) {
$label = $statusLines[$selementId];
} elseif ($selement['label_type'] == MAP_LABEL_TYPE_NAME) {
$label[] = array('msg' => $elementInfo['name']);
$label = array_merge($label, $statusLines[$selementId]);
} else {
$label = array_merge($labelLines[$selementId], $statusLines[$selementId]);
}
if (empty($label)) {
continue;
}
$w = 0;
foreach ($label as $str) {
$dims = imageTextSize(8, 0, $str['msg']);
$w = max($w, $dims['width']);
}
$h = count($label) * $labelFontHeight;
$x = $selement['x'];
$y = $selement['y'];
$image = get_png_by_selement($elementInfo);
$iconX = imagesx($image);
$iconY = imagesy($image);
if (!is_null($hl_color)) {
$icon_hl = 14;
} elseif (!is_null($st_color)) {
$icon_hl = 6;
} else {
$icon_hl = 2;
}
switch ($labelLocation) {
case MAP_LABEL_LOC_TOP:
$y_rec = $y - $icon_hl - $h - 6;
$x_rec = $x + $iconX / 2 - $w / 2;
break;
case MAP_LABEL_LOC_LEFT:
$y_rec = $y - $h / 2 + $iconY / 2;
$x_rec = $x - $icon_hl - $w;
break;
case MAP_LABEL_LOC_RIGHT:
$y_rec = $y - $h / 2 + $iconY / 2;
$x_rec = $x + $iconX + $icon_hl;
break;
case MAP_LABEL_LOC_BOTTOM:
default:
$y_rec = $y + $iconY + $icon_hl;
$x_rec = $x + $iconX / 2 - $w / 2;
}
$increasey = 12;
foreach ($label as $line) {
if (zbx_empty($line['msg'])) {
continue;
}
$str = str_replace("\r", '', $line['msg']);
$color = isset($line['color']) ? $line['color'] : $colors['Black'];
$dims = imageTextSize(8, 0, $str);
if ($labelLocation == MAP_LABEL_LOC_TOP || $labelLocation == MAP_LABEL_LOC_BOTTOM) {
$x_label = $x + ceil($iconX / 2) - ceil($dims['width'] / 2);
} elseif ($labelLocation == MAP_LABEL_LOC_LEFT) {
$x_label = $x_rec + $w - $dims['width'];
} else {
$x_label = $x_rec;
}
imagefilledrectangle($im, $x_label - 1, $y_rec + $increasey - $labelFontHeight + $labelFontBaseline, $x_label + $dims['width'] + 1, $y_rec + $increasey + $labelFontBaseline, $colors['White']);
imagetext($im, 8, 0, $x_label, $y_rec + $increasey, $color, $str);
$increasey += $labelFontHeight + 1;
}
}
}
