bool RPiCamera::applySetting(unsigned int id, int value)
{
debug << "RPiCamera: Trying: " << controlName(id) << " -> " << value << std::endl;
struct v4l2_queryctrl queryctrl;
queryctrl.id = id;
if(ioctl(fd, VIDIOC_QUERYCTRL, &queryctrl) < 0)
return false;
if(queryctrl.flags & V4L2_CTRL_FLAG_DISABLED)
return false; // not available
if(queryctrl.type != V4L2_CTRL_TYPE_BOOLEAN && queryctrl.type != V4L2_CTRL_TYPE_INTEGER && queryctrl.type != V4L2_CTRL_TYPE_MENU)
return false; // not supported
// clip value
if(value < queryctrl.minimum)
value = queryctrl.minimum;
if(value > queryctrl.maximum)
value = queryctrl.maximum;
struct v4l2_control control_s;
control_s.id = id;
control_s.value = value;
if(ioctl(fd, VIDIOC_S_CTRL, &control_s) < 0)
return false;
debug << "RPiCamera: Apply: " << controlName(id) << " -> " << value << " (" << queryctrl.minimum << "," << queryctrl.maximum << "," << queryctrl.default_value << ")" << std::endl;
return true;
}
void Container::addControls(Theme* theme, Properties* properties)
{
GP_ASSERT(theme);
GP_ASSERT(properties);
// Add all the controls to this container.
Properties* controlSpace = properties->getNextNamespace();
while (controlSpace != NULL)
{
Control* control = NULL;
const char* controlStyleName = controlSpace->getString("style");
Theme::Style* controlStyle = NULL;
if (controlStyleName)
{
controlStyle = theme->getStyle(controlStyleName);
}
else
{
Theme::Style::Overlay* overlay = Theme::Style::Overlay::create();
controlStyle = new Theme::Style(theme, "", 1.0f / theme->_texture->getWidth(), 1.0f / theme->_texture->getHeight(),
Theme::Margin::empty(), Theme::Border::empty(), overlay, overlay, overlay, overlay);
}
std::string controlName(controlSpace->getNamespace());
std::transform(controlName.begin(), controlName.end(), controlName.begin(), (int(*)(int))toupper);
if (controlName == "LABEL")
{
control = Label::create(controlStyle, controlSpace);
}
else if (controlName == "BUTTON")
{
control = Button::create(controlStyle, controlSpace);
}
else if (controlName == "CHECKBOX")
{
control = CheckBox::create(controlStyle, controlSpace);
}
else if (controlName == "RADIOBUTTON")
{
control = RadioButton::create(controlStyle, controlSpace);
}
else if (controlName == "CONTAINER")
{
control = Container::create(controlStyle, controlSpace, theme);
}
else if (controlName == "SLIDER")
{
control = Slider::create(controlStyle, controlSpace);
}
else if (controlName == "TEXTBOX")
{
control = TextBox::create(controlStyle, controlSpace);
}
else if (controlName == "JOYSTICK")
{
control = Joystick::create(controlStyle, controlSpace);
}
else
{
GP_ERROR("Failed to create control; unrecognized control name '%s'.", controlName.c_str());
}
// Add the new control to the form.
if (control)
{
addControl(control);
if (control->getZIndex() == -1)
{
control->setZIndex(_zIndexDefault++);
}
}
// Get the next control.
controlSpace = properties->getNextNamespace();
}
// Sort controls by Z-Order.
std::sort(_controls.begin(), _controls.end(), &sortControlsByZOrder);
}
