示例#1
0
bool GArc::contains(double x, double y) const {
    if (transformed) {
        return stanfordcpplib::getPlatform()->gobject_contains(this, x, y);
    }
    double rx = frameWidth / 2;
    double ry = frameHeight / 2;
    if (floatingPointEqual(rx, 0) || floatingPointEqual(ry, 0)) {
        return false;
    }
    double dx = x - (this->x + rx);
    double dy = y - (this->y + ry);
    double r = (dx * dx) / (rx * rx) + (dy * dy) / (ry * ry);
    if (fillFlag) {
        if (r > 1.0) return false;
    } else {
        double t = ARC_TOLERANCE / ((rx + ry) / 2);
        if (std::fabs(1.0 - r) > t) return false;
    }

    // JL BUGFIX: must scale by ry, rx.
    return containsAngle(atan2(-dy/ry, dx/rx) * 180 / PI);
}
示例#2
0
bool operator ==(const Complex& c1, const Complex& c2) {
    return floatingPointEqual(c1.real(), c2.real())
            && floatingPointEqual(c1.imag(), c2.imag());
}
示例#3
0
bool operator <(const Complex& c1, const Complex& c2) {
    return c1.real() < c2.real() ||
            (floatingPointEqual(c1.real(), c2.real()) && c1.imag() < c2.imag());
}