/**
* Function: updateBoundingBox
*
* Updates the label bounds in the given state.
*/
function updateLabelBounds($state)
{
$cell = $state->cell;
$style = $state->style;
if (mxUtils::getValue($style, mxConstants::$STYLE_OVERFLOW) == "fill") {
$state->labelBounds = new mxRectangle($state->x, $state->y, $state->width, $state->height);
} else {
$label = $this->graph->getLabel($cell);
$vertexBounds = !$this->graph->model->isEdge($cell) ? $state : null;
$state->labelBounds = mxUtils::getLabelPaintBounds($label, $style, false, $state->absoluteOffset, $vertexBounds, $this->scale);
}
}
/**
* Function: parseState
*
* Parses the bounds, absolute points and label information from the style
* of the state into its respective fields and returns the label of the
* cell.
*/
function parseState($state, $edge)
{
$style = $state->style;
// Parses the bounds
$state->x = mxUtils::getNumber($style, "x");
$state->y = mxUtils::getNumber($style, "y");
$state->width = mxUtils::getNumber($style, "width");
$state->height = mxUtils::getNumber($style, "height");
// Parses the absolute points list
$tmp = mxUtils::getValue($style, "points");
if (strlen($tmp) > 0) {
$pts = $this->parsePoints($tmp);
if (sizeof($pts) > 0) {
$state->absolutePoints = $pts;
}
}
// Parses the label and label bounds
$label = mxUtils::getValue($style, "label");
if ($label != null && strlen($label) > 0) {
$offset = new mxPoint(mxUtils::getNumber($style, "dx"), mxUtils::getNumber($style, "dy"));
$vertexBounds = !$edge ? $state : null;
$state->labelBounds = mxUtils::getLabelPaintBounds($label, $style, mxUtils::getValue($style, "html", false), $offset, $vertexBounds, $this->scale);
}
return $label;
}
/**
* Function: drawLabel
*
* Draws the specified label using the canvas.
*/
function drawLabel($isEdge, $attrs)
{
$label = mxUtils::getValue($attrs, "label");
if (isset($label) && strlen($label) > 0) {
$offset = new mxPoint(mxUtils::getNumber($attrs, "dx"), mxUtils::getNumber($attrs, "dy"));
$vertexBounds = !$isEdge ? new mxRectangle(mxUtils::getNumber($attrs, "x"), mxUtils::getNumber($attrs, "y"), mxUtils::getNumber($attrs, "width"), mxUtils::getNumber($attrs, "height")) : null;
$bounds = mxUtils::getLabelPaintBounds($label, $attrs, mxUtils::getValue($attrs, "html", false), $offset, $vertexBounds, $this->scale);
$this->canvas->drawLabel($label, $bounds->x, $bounds->y, $bounds->width, $bounds->height, $attrs, false);
}
}
