Example #1
0
/*private*/
void
OffsetPointGenerator::computeOffsets(const Coordinate& p0,
		const Coordinate& p1)
{
	double dx = p1.x - p0.x;
	double dy = p1.y - p0.y;
	double len = sqrt(dx * dx + dy * dy);

	// u is the vector that is the length of the offset,
	// in the direction of the segment
	double ux = offsetDistance * dx / len;
	double uy = offsetDistance * dy / len;

	double midX = (p1.x + p0.x) / 2;
	double midY = (p1.y + p0.y) / 2;

	Coordinate offsetLeft(midX - uy, midY + ux);
	Coordinate offsetRight(midX + uy, midY - ux);

	offsetPts->push_back(offsetLeft);
	offsetPts->push_back(offsetRight);
}
int RenderBoxModelObject::pixelSnappedOffsetWidth() const
{
    return snapSizeToPixel(offsetWidth(), offsetLeft());
}