glm::vec3 Camera::getDirectionFromCoordinate(int sx, int sy) {
if (!camSet) {
setCameraState();
}
glm::vec3 P = M + (2*((float)sx/(imgWidth-1)) - 1)*H + (2*((float)sy/(imgHeight-1)) - 1)*V;
return P;
}
void LadybugWidget::navigationMousePress(QMouseEvent* e)
{
QRect arrowRect = QRect(QPoint(-5, 0), QPoint(5, -10));
QPoint centerPt = NAVIGATION_RECT.center();
QMatrix m;
m.translate(centerPt.x(), centerPt.y());
for (int i = 0; i < 5; i++)
{
QMatrix m2 = m;
m2.rotate(i*360/5);
m2.translate(0,-16);
QPoint resPt = m2.inverted().map(e->pos());
if (arrowRect.contains(resPt))
{
// invert camera on/off setting
setCameraState(i, !cameraState(i));
if (mPaused)
updateVideo(getSingleFrame(mCurrentFrame));
}
}
}
void QDeclarativeCamera::setupDevice(const QString &deviceName)
{
QMediaService *service = m_camera->service();
if (!service)
return;
QVideoDeviceSelectorControl *deviceControl = qobject_cast<QVideoDeviceSelectorControl*>(service->requestControl(QVideoDeviceSelectorControl_iid));
if (!deviceControl)
return;
int deviceIndex = -1;
if (deviceName.isEmpty()) {
deviceIndex = deviceControl->defaultDevice();
} else {
for (int i = 0; i < deviceControl->deviceCount(); ++i) {
if (deviceControl->deviceName(i) == deviceName) {
deviceIndex = i;
break;
}
}
}
if (deviceIndex == -1)
return;
State previousState = cameraState();
setCameraState(UnloadedState);
deviceControl->setSelectedDevice(deviceIndex);
QCameraInfo oldCameraInfo = m_currentCameraInfo;
m_currentCameraInfo = QCameraInfo(*m_camera);
emit deviceIdChanged();
if (oldCameraInfo.description() != m_currentCameraInfo.description())
emit displayNameChanged();
if (oldCameraInfo.position() != m_currentCameraInfo.position())
emit positionChanged();
if (oldCameraInfo.orientation() != m_currentCameraInfo.orientation())
emit orientationChanged();
setCameraState(previousState);
}
void LadybugWidget::keyPressEvent(QKeyEvent* e)
{
if (e->key() >= Qt::Key_1 && e->key() <= Qt::Key_5)
{
int i = e->key()-Qt::Key_1;
// invert camera on/off setting
setCameraState(i, !cameraState(i));
if (mPaused)
updateVideo(getSingleFrame(mCurrentFrame));
}
switch (e->key())
{
case Qt::Key_Space:
pause();
break;
case Qt::Key_Left:
seekToFrame(mCurrentFrame-1);
break;
case Qt::Key_Right:
seekToFrame(mCurrentFrame+1);
break;
case Qt::Key_Home:
seekToFrame(0);
break;
case Qt::Key_End:
seekToFrame(mStream.framesCount()-1);
break;
case Qt::Key_PageUp:
seekToFrame(mCurrentFrame-25);
break;
case Qt::Key_PageDown:
seekToFrame(mCurrentFrame+25);
break;
// %%% seek to random position (for testing)
case Qt::Key_S:
{
uint msecs = rand() % (mStream.framesCount() / 15 * 1000);
printf("RANDOM TIME SEEK! %d ms\n", msecs);
seekToTime(msecs);
break;
}
}
}
/*!
\qmlmethod QtMultimedia::Camera::stop()
Stops the camera, but leaves the camera
stack loaded.
*/
void QDeclarativeCamera::stop()
{
setCameraState(QDeclarativeCamera::LoadedState);
}
/*!
\qmlmethod QtMultimedia::Camera::start()
Starts the camera. Viewfinder frames will
be available and image or movie capture will
be possible.
*/
void QDeclarativeCamera::start()
{
setCameraState(QDeclarativeCamera::ActiveState);
}
void QDeclarativeCamera::componentComplete()
{
m_componentComplete = true;
setCameraState(m_pendingState);
}
