/**
* Output the Bezier smoothed plot as an Line Chart
*
* @return bool Was the output 'good' (true) or 'bad' (false).
* @access private
*/
function _done()
{
if (parent::_done() === false) {
return false;
}
$this->_canvas->startGroup(get_class($this) . '_' . $this->_title);
$this->_clip(true);
$keys = array_keys($this->_dataset);
foreach ($keys as $key) {
$dataset =& $this->_dataset[$key];
$dataset->_reset();
$numPoints = 0;
while ($p1 = $dataset->_next()) {
if ($p1['Y'] === null) {
if ($numPoints > 1) {
$this->_getLineStyle($key);
$this->_canvas->polygon(array('connect' => false, 'map_vertices' => true));
} else {
$this->_canvas->reset();
}
$numPoints = 0;
} else {
$p0 = $dataset->_nearby(-2);
$p2 = $dataset->_nearby(0);
$p3 = $dataset->_nearby(1);
if ($p0 && $p0['Y'] === null) {
$p0 = false;
}
if ($p2 && $p2['Y'] === null) {
$p2 = false;
}
if ($p3 && $p3['Y'] === null) {
$p3 = false;
}
if ($p2) {
$cp = $this->_getControlPoints($p1, $p0, $p2, $p3);
$this->_canvas->addSpline($this->_mergeData($p1, array('x' => $cp['X'], 'y' => $cp['Y'], 'p1x' => $cp['P1X'], 'p1y' => $cp['P1Y'], 'p2x' => $cp['P2X'], 'p2y' => $cp['P2Y'])));
} else {
$x = $this->_pointX($p1);
$y = $this->_pointY($p1);
$this->_canvas->addVertex($this->_mergeData($p1, array('x' => $x, 'y' => $y)));
}
$numPoints++;
}
}
if ($numPoints > 1) {
$this->_getLineStyle();
$this->_canvas->polygon(array('connect' => false, 'map_vertices' => true));
} else {
$this->_canvas->reset();
}
}
unset($keys);
$this->_drawMarker();
$this->_clip(false);
$this->_canvas->endGroup();
return true;
}
/**
* Output the Bezier smoothed plot as an Area Chart
*
* @return bool Was the output 'good' (true) or 'bad' (false).
* @access private
*/
function _done()
{
if (parent::_done() === false) {
return false;
}
$this->_canvas->startGroup(get_class($this) . '_' . $this->_title);
$this->_clip(true);
$keys = array_keys($this->_dataset);
foreach ($keys as $key) {
$dataset =& $this->_dataset[$key];
$dataset->_reset();
$first = true;
while ($p1 = $dataset->_next()) {
$p0 = $dataset->_nearby(-2);
$p2 = $dataset->_nearby(0);
$p3 = $dataset->_nearby(1);
if ($first) {
$p = $p1;
$p['Y'] = '#min_pos#';
$x = $this->_pointX($p);
$y = $this->_pointY($p);
$this->_canvas->addVertex(array('x' => $x, 'y' => $y));
}
if ($p2) {
$cp = $this->_getControlPoints($p1, $p0, $p2, $p3);
$this->_canvas->addSpline(array('x' => $cp['X'], 'y' => $cp['Y'], 'p1x' => $cp['P1X'], 'p1y' => $cp['P1Y'], 'p2x' => $cp['P2X'], 'p2y' => $cp['P2Y']));
} else {
$x = $this->_pointX($p1);
$y = $this->_pointY($p1);
$this->_canvas->addVertex(array('x' => $x, 'y' => $y));
}
$lastPoint = $p1;
$first = false;
}
$lastPoint['Y'] = '#min_pos#';
$x = $this->_pointX($lastPoint);
$y = $this->_pointY($lastPoint);
$this->_canvas->addVertex(array('x' => $x, 'y' => $y));
$this->_getFillStyle($key);
$this->_getLineStyle($key);
$this->_canvas->polygon(array('connect' => true));
}
unset($keys);
$this->_drawMarker();
$this->_clip(false);
$this->_canvas->endGroup();
return true;
}
/**
* Output the plot
*
* @return bool Was the output 'good' (true) or 'bad' (false).
* @access private
*/
function _done()
{
$this->_canvas->startGroup(get_class($this) . '_' . $this->_title);
if (is_a($this->_parent, 'Image_Graph_Plotarea_Radar')) {
$keys = array_keys($this->_dataset);
foreach ($keys as $key) {
$dataset =& $this->_dataset[$key];
if ($dataset->count() >= 3) {
$dataset->_reset();
$p1_ = $dataset->_next();
$p2_ = $dataset->_next();
$p3_ = $dataset->_next();
$plast_ = false;
if ($p3_) {
while ($p = $dataset->_next()) {
$plast_ = $p;
}
}
if ($plast_ === false) {
$plast_ = $p3_;
}
$dataset->_reset();
while ($p1 = $dataset->_next()) {
$p0 = $dataset->_nearby(-2);
$p2 = $dataset->_nearby(0);
$p3 = $dataset->_nearby(1);
if ($p0 === false) {
$p0 = $plast_;
}
if ($p2 === false) {
$p2 = $p1_;
$p3 = $p2_;
} elseif ($p3 === false) {
$p3 = $p1_;
}
$cp = $this->_getControlPoints($p1, $p0, $p2, $p3);
$this->_canvas->addSpline(array('x' => $cp['X'], 'y' => $cp['Y'], 'p1x' => $cp['P1X'], 'p1y' => $cp['P1Y'], 'p2x' => $cp['P2X'], 'p2y' => $cp['P2Y']));
$next2last = $p0;
$last = $p1;
}
$cp = $this->_getControlPoints($p1_, $plast_, $p2_, $p3_);
$this->_canvas->addSpline(array('x' => $cp['X'], 'y' => $cp['Y'], 'p1x' => $cp['P1X'], 'p1y' => $cp['P1Y'], 'p2x' => $cp['P2X'], 'p2y' => $cp['P2Y']));
$this->_getFillStyle($key);
$this->_getLineStyle($key);
$this->_canvas->polygon(array('connect' => true));
}
}
unset($keys);
}
$this->_drawMarker();
$this->_canvas->endGroup($this->_title);
return parent::_done();
}
