//-----------------------------------------------------------------------------
qtGradient::qtGradient(QList<Stop> const& stops, InterpolationMode im,
QGradient::Spread spread, NormalizeMode nm)
: d_ptr{new qtGradientData}
{
QTE_D_MUTABLE();
d->interpolateMode = im;
d->spread = spread;
setStops(stops, nm);
}
ColorGradient::ColorGradient(
const ColorGradientStops & stops,
ColorGradientType type,
uint steps)
: m_type{type}
, m_steps{steps}
{
setStops(stops);
}
ColorGradient ColorGradient::fromJson(const QJsonObject & jsonObject)
{
if (jsonObject.isEmpty())
return {};
auto gradient = ColorGradient{};
auto value = QJsonValue{};
if (!jsonObject.contains("type") || !jsonObject.value("type").isString())
gradient.setType(s_defaultType);
else
gradient.setType(type(jsonObject.value("type").toString()));
if (!jsonObject.contains("steps") || !jsonObject.value("steps").isDouble())
gradient.setSteps(s_defaultSteps);
else
gradient.setSteps(jsonObject.value("steps").toDouble());
if (!jsonObject.contains("stops") || !jsonObject.value("stops").isArray())
return {};
auto stops = ColorGradientStops{};
auto jsonStops = jsonObject.value("stops").toArray();
for (const QJsonValue & jsonStop : jsonStops)
{
if (!jsonStop.isObject())
return {};
auto stop = jsonStop.toObject();
if (!stop.contains("color") ||
!stop.value("color").isString() ||
!stop.contains("position") ||
!stop.value("position").isDouble())
return {};
auto color = QColor{};
color.setNamedColor(stop.value("color").toString());
const auto position = stop.value("position").toDouble();
auto midpoint = ColorGradientStop::s_defaultMidpoint;
if (stop.contains("midpoint") &&
stop.value("midpoint").isDouble())
midpoint = stop.value("midpoint").toDouble();
stops.append(ColorGradientStop{color, position, midpoint});
}
gradient.setStops(stops);
return gradient;
}
void TupGradientSelector::init()
{
setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
setMaximumWidth(100);
setMinimumWidth(100);
setStops(m_gradient.stops());
createGradient();
emit gradientChanged(m_gradient.stops());;
}
