FloatPoint floatPointForCenterCoordinate(const BasicShapeCenterCoordinate& centerX, const BasicShapeCenterCoordinate& centerY, FloatSize boxSize)
{
FloatPoint p;
float offset = floatValueForLength(centerX.length(), boxSize.width());
switch (centerX.keyword()) {
case BasicShapeCenterCoordinate::None:
case BasicShapeCenterCoordinate::Left:
p.setX(offset);
break;
case BasicShapeCenterCoordinate::Right:
p.setX(boxSize.width() - offset);
break;
default:
ASSERT_NOT_REACHED();
}
offset = floatValueForLength(centerY.length(), boxSize.height());
switch (centerY.keyword()) {
case BasicShapeCenterCoordinate::None:
case BasicShapeCenterCoordinate::Top:
p.setY(offset);
break;
case BasicShapeCenterCoordinate::Bottom:
p.setY(boxSize.height() - offset);
break;
default:
ASSERT_NOT_REACHED();
}
return p;
}
static PassRefPtr<CSSPrimitiveValue> valueForCenterCoordinate(CSSValuePool& pool, const RenderStyle& style, const BasicShapeCenterCoordinate& center)
{
CSSValueID keyword = CSSValueInvalid;
switch (center.keyword()) {
case BasicShapeCenterCoordinate::None:
return pool.createValue(center.length(), style);
case BasicShapeCenterCoordinate::Top:
keyword = CSSValueTop;
break;
case BasicShapeCenterCoordinate::Right:
keyword = CSSValueRight;
break;
case BasicShapeCenterCoordinate::Bottom:
keyword = CSSValueBottom;
break;
case BasicShapeCenterCoordinate::Left:
keyword = CSSValueLeft;
break;
}
return pool.createValue(Pair::create(pool.createIdentifierValue(keyword), pool.createValue(center.length(), style), Pair::DropIdenticalValues));
}