2 * This file is part of CameraPlus.
4 * Copyright (C) 2012 Mohammed Sameer <msameer@foolab.org>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #include "qtcamzoom.h"
25 Zoom::Zoom(QObject *parent) :
33 delete m_zoom; m_zoom = 0;
37 void Zoom::deviceChanged() {
39 delete m_zoom; m_zoom = 0;
42 if (m_cam->device()) {
43 m_zoom = new QtCamZoom(m_cam->device(), this);
44 QObject::connect(m_zoom, SIGNAL(valueChanged()), this, SIGNAL(valueChanged()));
45 QObject::connect(m_zoom, SIGNAL(minimumValueChanged()), this, SIGNAL(minimumChanged()));
46 QObject::connect(m_zoom, SIGNAL(maximumValueChanged()), this, SIGNAL(maximunmChanged()));
50 emit minimumChanged();
51 emit maximunmChanged();
55 return m_zoom ? m_zoom->value() : 1.0;
58 void Zoom::setValue(qreal val) {
60 m_zoom->setValue(val);
64 qreal Zoom::minimum() {
65 return m_zoom ? m_zoom->minimumValue() : 1.0;
68 qreal Zoom::maximum() {
69 return m_zoom ? m_zoom->maximumValue() : 1.0;