/**
* Set the fill and line properties for a SWWFShape according to the
* given parameters.
*
* @param SWFShape $shape
* @param ezcGraphColor $color
* @param mixed $thickness
* @param mixed $filled
* @return void
*/
protected function setShapeColor(SWFShape $shape, ezcGraphColor $color, $thickness, $filled)
{
if ($filled) {
switch (true) {
case $color instanceof ezcGraphLinearGradient:
$gradient = new SWFGradient();
$gradient->addEntry(0, $color->startColor->red, $color->startColor->green, $color->startColor->blue, 255 - $color->startColor->alpha);
$gradient->addEntry(1, $color->endColor->red, $color->endColor->green, $color->endColor->blue, 255 - $color->endColor->alpha);
$fill = $shape->addFill($gradient, SWFFILL_LINEAR_GRADIENT);
// Calculate desired length of gradient
$length = sqrt(pow($color->endPoint->x - $color->startPoint->x, 2) + pow($color->endPoint->y - $color->startPoint->y, 2));
$fill->scaleTo($this->modifyCoordinate($length) / 32768, $this->modifyCoordinate($length) / 32768);
$fill->rotateTo(rad2deg(asin(($color->endPoint->x - $color->startPoint->x) / $length) + 180));
$fill->moveTo($this->modifyCoordinate(($color->startPoint->x + $color->endPoint->x) / 2), $this->modifyCoordinate(($color->startPoint->y + $color->endPoint->y) / 2));
$shape->setLeftFill($fill);
break;
case $color instanceof ezcGraphRadialGradient:
$gradient = new SWFGradient();
$gradient->addEntry(0, $color->startColor->red, $color->startColor->green, $color->startColor->blue, 255 - $color->startColor->alpha);
$gradient->addEntry(1, $color->endColor->red, $color->endColor->green, $color->endColor->blue, 255 - $color->endColor->alpha);
$fill = $shape->addFill($gradient, SWFFILL_RADIAL_GRADIENT);
$fill->scaleTo($this->modifyCoordinate($color->width) / 32768, $this->modifyCoordinate($color->height) / 32768);
$fill->moveTo($this->modifyCoordinate($color->center->x), $this->modifyCoordinate($color->center->y));
$shape->setLeftFill($fill);
break;
default:
$fill = $shape->addFill($color->red, $color->green, $color->blue, 255 - $color->alpha);
$shape->setLeftFill($fill);
break;
}
} else {
$shape->setLine($this->modifyCoordinate($thickness), $color->red, $color->green, $color->blue, 255 - $color->alpha);
}
}
