/**
* make map work copy of image
*
* @param int $a_area_nr draw area $a_area_nr only
* @param boolean $a_exclude true: draw all areas but area $a_area_nr
*/
function makeMapWorkCopy($a_st_item, $a_area_nr = 0, $a_exclude = false, $a_output_new_area, $a_area_type, $a_coords)
{
global $lng;
if (!$a_st_item->copyOriginal()) {
return false;
}
$a_st_item->buildMapWorkImage();
// determine ratios (first see whether the instance has w/h defined)
$width = $this->getWidth();
$height = $this->getHeight();
// if instance has no size, use object w/h
if ($width == 0 && $height == 0) {
$width = $a_st_item->getWidth();
$height = $a_st_item->getHeight();
}
$size = @getimagesize($a_st_item->getMapWorkCopyName());
$x_ratio = 1;
if ($size[0] > 0 && $width > 0) {
$x_ratio = $width / $size[0];
}
$y_ratio = 1;
if ($size[1] > 0 && $height > 0) {
$y_ratio = $height / $size[1];
}
// draw map areas
$areas = $this->getMapAreas();
for ($i = 0; $i < count($areas); $i++) {
if ($i + 1 == $a_area_nr && !$a_exclude || $i + 1 != $a_area_nr && $a_exclude || $a_area_nr == 0) {
$area = new ilMapArea();
$area->setShape($areas[$i]["Shape"]);
$area->setCoords($areas[$i]["Coords"]);
$area->draw($a_st_item->getMapWorkImage(), $a_st_item->color1, $a_st_item->color2, true, $x_ratio, $y_ratio);
}
}
if ($a_output_new_area) {
$area = new ilMapArea();
$area->setShape($a_area_type);
$area->setCoords($a_coords);
$area->draw($a_st_item->getMapWorkImage(), $a_st_item->color1, $a_st_item->color2, false, $x_ratio, $y_ratio);
}
$a_st_item->saveMapWorkImage();
return true;
}
/**
* draw a new area in work image
*
* @param string $a_shape shape
* @param string $a_coords coordinates string
*/
function addAreaToMapWorkCopy($a_shape, $a_coords)
{
$this->buildMapWorkImage();
// determine ratios
$size = @getimagesize($this->getMapWorkCopyName());
$x_ratio = 1;
if ($size[0] > 0 && $this->getWidth() > 0) {
$x_ratio = $this->getWidth() / $size[0];
}
$y_ratio = 1;
if ($size[1] > 0 && $this->getHeight() > 0) {
$y_ratio = $this->getHeight() / $size[1];
}
// add new area to work image
$area = new ilMapArea();
$area->setShape($a_shape);
$area->setCoords($a_coords);
$area->draw($this->getMapWorkImage(), $this->color1, $this->color2, false, $x_ratio, $y_ratio);
$this->saveMapWorkImage();
}
