WSOverlayScreenShotAnimation::WSOverlayScreenShotAnimation()
{
setVisible(false);
const HostInfo& info = HostBase::instance()->getInfo();
int width = info.displayWidth;
int height = info.displayHeight;
setPos(width/2, height/2);
int r = qMin(width, height);
r = r/2;
m_boundingRect = QRectF(-width/2, -height/2, width, height);
m_gradient = QRadialGradient(0, 0, r, 0, 0);
QGradientStops stops;
stops.append(QGradientStop(0, QColor(0xFF,0xFF,0xFF,0xFF)));
stops.append(QGradientStop(0.15, QColor(0xFF, 0xFF, 0xFF, 0xC0)));
stops.append(QGradientStop(0.5, QColor(0xFF, 0xFF ,0xD0, 0xF0)));
stops.append(QGradientStop(0.75, QColor(0xFF, 0xFF, 0xD0, 0x0F)));
stops.append(QGradientStop(1.0, QColor(0xFF, 0xFF, 0xD0, 0x00)));
m_gradient.setStops(stops);
connect(WindowServer::instance(), SIGNAL(signalAboutToTakeScreenShot()),
SLOT(stop()));
connect(WindowServer::instance(), SIGNAL(signalTookScreenShot()),
SLOT(start()));
}
QRadialGradient ControlSlider::backgroundGradient()
{
QRadialGradient gradient(0.5,0.5,1.0,0.5,0.5);
gradient.setCoordinateMode(QGradient::ObjectBoundingMode);
QGradientStops stops;
stops.append(QPair<qreal,QColor>(0.0, Qt::white));
stops.append(QPair<qreal,QColor>(0.8, backgroundColor()));
stops.append(QPair<qreal,QColor>(1.0, Qt::white));
gradient.setStops(stops);
return gradient;
}
void ContextPaneWidgetRectangle::onGradientClicked()
{
if (ui->colorGradient->isChecked()) {
m_hasGradient = true;
QLinearGradient gradient;
QGradientStops stops;
stops.append(QGradientStop(0, ui->colorColorButton->convertedColor()));
stops.append(QGradientStop(1, Qt::white));
gradient.setStops(stops);
ui->gradientLine->setEnabled(true);
ui->gradientLine->setGradient(gradient);
}
}
Ui::ShadowedWidget<__Base>::ShadowedWidget(QWidget* _parent, int _tailLen, double _alphaFrom, double _alphaTo)
: __Base(_parent)
, tailLenPx_(_tailLen)
{
QGradientStops stops;
QColor voipShadowColor("#000000");
voipShadowColor.setAlphaF(_alphaFrom);
stops.append(qMakePair(0.0f, voipShadowColor));
voipShadowColor.setAlphaF(_alphaTo);
stops.append(qMakePair(1.0f, voipShadowColor));
linearGradient_.setStops(stops);
}
void updateGradient()
{
static const double n_colors = 6;
QGradientStops colors;
colors.reserve(n_colors+1);
for ( int i = 0; i <= n_colors; ++i )
colors.append(QGradientStop(i/n_colors, QColor::fromHsvF(i/n_colors, saturation, value)));
w->setColors(colors);
}
//-----------------------------------------------------------------------------
void
HeaderItem::paint(QPainter* painter,
const QStyleOptionGraphicsItem* option,
QWidget* widget)
{
Q_UNUSED(option);
Q_UNUSED(widget);
painter->setRenderHint(QPainter::Antialiasing);
QFont font = painter->font();
font.setBold(true);
font.setPointSize(static_cast<int>(font.pointSize() * 1.4));
painter->setFont(font);
QRectF frame(QPoint(0, 0), geometry().size());
// paint the background
QGradientStops stops;
stops.append(QGradientStop(0.0, QColor(40, 57, 74)));
stops.append(QGradientStop(0.5, QColor(0, 0, 0)));
stops.append(QGradientStop(1.0, QColor(10, 16, 23)));
QLinearGradient gradient(frame.topLeft(), frame.bottomLeft());
gradient.setStops(stops);
painter->setPen(QColor(56, 73, 93));
painter->setBrush(QBrush(gradient));
QPainterPath path;
path.moveTo(0, 20);
path.arcTo(0, 0, 40, 40, 180, -90);
path.lineTo(frame.right() - 20, 0);
path.arcTo(frame.right() - 40, 0, 40, 40, 90, -90);
path.lineTo(frame.right(), frame.bottom());
path.lineTo(0, frame.bottom());
path.lineTo(0, 20);
path.closeSubpath();
painter->drawPath(path);
painter->setPen(Qt::white);
painter->drawText(frame, Qt::AlignCenter, title);
}
void saveGradientStops(QTextStream &str, const QGradient *g) {
QGradientStops stops = g->stops();
if (g->interpolationMode() == QGradient::ColorInterpolation) {
bool constantAlpha = true;
int alpha = stops.at(0).second.alpha();
for (int i = 1; i < stops.size(); ++i)
constantAlpha &= (stops.at(i).second.alpha() == alpha);
if (!constantAlpha) {
const qreal spacing = qreal(0.02);
QGradientStops newStops;
QRgb fromColor = PREMUL(stops.at(0).second.rgba());
QRgb toColor;
for (int i = 0; i + 1 < stops.size(); ++i) {
int parts = qCeil((stops.at(i + 1).first - stops.at(i).first) / spacing);
newStops.append(stops.at(i));
toColor = PREMUL(stops.at(i + 1).second.rgba());
if (parts > 1) {
qreal step = (stops.at(i + 1).first - stops.at(i).first) / parts;
for (int j = 1; j < parts; ++j) {
QRgb color = INV_PREMUL(INTERPOLATE_PIXEL_256(fromColor, 256 - 256 * j / parts, toColor, 256 * j / parts));
newStops.append(QGradientStop(stops.at(i).first + j * step, QColor::fromRgba(color)));
}
}
fromColor = toColor;
}
newStops.append(stops.back());
stops = newStops;
}
}
foreach(QGradientStop stop, stops) {
QString color =
QString::fromLatin1("#%1%2%3")
.arg(stop.second.red(), 2, 16, QLatin1Char('0'))
.arg(stop.second.green(), 2, 16, QLatin1Char('0'))
.arg(stop.second.blue(), 2, 16, QLatin1Char('0'));
str << QLatin1String(" <stop offset=\"")<< stop.first << QLatin1String("\" ")
<< QLatin1String("stop-color=\"") << color << QLatin1String("\" ")
<< QLatin1String("stop-opacity=\"") << stop.second.alphaF() <<QLatin1String("\" />\n");
}
void GradientLine::updateGradient()
{
if (m_useGradient) {
QGradientStops stops;
for (int i = 0; i < m_stops.size(); i++) {
stops.append(QPair<qreal, QColor>(m_stops.at(i), m_colorList.at(i)));
}
m_gradient.setStops(stops);
} else {
if (!active())
return;
}
}
void SvgStyleParser::parseColorStops(QGradient *gradient, const KoXmlElement &e)
{
QGradientStops stops;
QColor c;
for (KoXmlNode n = e.firstChild(); !n.isNull(); n = n.nextSibling()) {
KoXmlElement stop = n.toElement();
if (stop.tagName() == "stop") {
float offset;
QString temp = stop.attribute("offset");
if (temp.contains('%')) {
temp = temp.left(temp.length() - 1);
offset = temp.toFloat() / 100.0;
} else
offset = temp.toFloat();
QString stopColorStr = stop.attribute("stop-color");
if (!stopColorStr.isEmpty()) {
if (stopColorStr == "inherit") {
stopColorStr = inheritedAttribute("stop-color", stop);
}
parseColor(c, stopColorStr);
}
else {
// try style attr
QString style = stop.attribute("style").simplified();
QStringList substyles = style.split(';', QString::SkipEmptyParts);
for (QStringList::Iterator it = substyles.begin(); it != substyles.end(); ++it) {
QStringList substyle = it->split(':');
QString command = substyle[0].trimmed();
QString params = substyle[1].trimmed();
if (command == "stop-color")
parseColor(c, params);
if (command == "stop-opacity")
c.setAlphaF(params.toDouble());
}
}
QString opacityStr = stop.attribute("stop-opacity");
if (!opacityStr.isEmpty()) {
if (opacityStr == "inherit") {
opacityStr = inheritedAttribute("stop-opacity", stop);
}
c.setAlphaF(opacityStr.toDouble());
}
stops.append(QPair<qreal, QColor>(offset, c));
}
}
if (stops.count())
gradient->setStops(stops);
}
QBrush XMLParseBase::parseGradient(const QDomElement &element)
{
QLinearGradient gradient;
QString gradientStart = element.attribute("start", "");
QString gradientEnd = element.attribute("end", "");
int gradientAlpha = element.attribute("alpha", "255").toInt();
QString direction = element.attribute("direction", "vertical");
float x1, y1, x2, y2 = 0.0;
if (direction == "vertical")
{
x1 = 0.5;
x2 = 0.5;
y1 = 0.0;
y2 = 1.0;
}
else if (direction == "diagonal")
{
x1 = 0.0;
x2 = 1.0;
y1 = 0.0;
y2 = 1.0;
}
else
{
x1 = 0.0;
x2 = 1.0;
y1 = 0.5;
y2 = 0.5;
}
gradient.setCoordinateMode(QGradient::ObjectBoundingMode);
gradient.setStart(x1, y1);
gradient.setFinalStop(x2, y2);
QGradientStops stops;
if (!gradientStart.isEmpty())
{
QColor startColor = QColor(gradientStart);
startColor.setAlpha(gradientAlpha);
QGradientStop stop(0.0, startColor);
stops.append(stop);
}
if (!gradientEnd.isEmpty())
{
QColor endColor = QColor(gradientEnd);
endColor.setAlpha(gradientAlpha);
QGradientStop stop(1.0, endColor);
stops.append(stop);
}
for (QDomNode child = element.firstChild(); !child.isNull();
child = child.nextSibling())
{
QDomElement childElem = child.toElement();
if (childElem.tagName() == "stop")
{
float position = childElem.attribute("position", "0").toFloat();
QString color = childElem.attribute("color", "");
int alpha = childElem.attribute("alpha", "-1").toInt();
if (alpha < 0)
alpha = gradientAlpha;
QColor stopColor = QColor(color);
stopColor.setAlpha(alpha);
QGradientStop stop((position / 100), stopColor);
stops.append(stop);
}
}
gradient.setStops(stops);
return QBrush(gradient);
}
void Project::MatchColors(QAction *action)
{
if (action)
{
QString selectedDomainName = action->text();
Domain* selectedDomain = DetermineDomain(selectedDomainName);
if (selectedDomain && visibleDomain)
{
// Get the active shader types
ShaderType outlineType = selectedDomain->GetTerrainOutlineType();
ShaderType fillType = selectedDomain->GetTerrainFillType();
if (outlineType == SolidShaderType)
{
// Copy the solid outline color from the selected domain
QColor solidOutline = selectedDomain->GetTerrainSolidOutline();
visibleDomain->SetTerrainSolidOutline(solidOutline);
}
else if (outlineType == GradientShaderType)
{
// Copy the outline gradient from the selected domain
// Convert percentages in gradient stops to elevation values
// Convert these elevation values back into percentages in the range of the selected domain
float selectedRange[2] = {selectedDomain->GetTerrainMinZ(), selectedDomain->GetTerrainMaxZ()};
float currentRange[2] = {visibleDomain->GetTerrainMinZ(), visibleDomain->GetTerrainMaxZ()};
QGradientStops selectedGradientOutline = selectedDomain->GetTerrainGradientOutline();
QGradientStops newStopsOutline;
for (int i=0; i<selectedGradientOutline.count(); ++i)
{
QGradientStop currentStop = selectedGradientOutline[i];
float percentage = currentStop.first;
QColor color = currentStop.second;
float selectedValue = selectedRange[1] - percentage*(selectedRange[1] - selectedRange[0]);
if (selectedValue >= currentRange[0] && selectedValue <= currentRange[1])
{
QGradientStop newStop;
newStop.first = (currentRange[1] - selectedValue) / (currentRange[1] - currentRange[0]);
newStop.second = color;
newStopsOutline.append(newStop);
}
}
visibleDomain->SetTerrainGradientOutline(newStopsOutline);
}
if (fillType == SolidShaderType)
{
// Copy the solid fill color from the selected domain
QColor solidFill = selectedDomain->GetTerrainSolidFill();
visibleDomain->SetTerrainSolidFill(solidFill);
}
else if (fillType == GradientShaderType)
{
// Copy the fill gradient from the selected domain
// Convert percentages in gradient stops to elevation values
// Convert these elevation values back into percentages in the range of the selected domain
float selectedRange[2] = {selectedDomain->GetTerrainMinZ(), selectedDomain->GetTerrainMaxZ()};
float currentRange[2] = {visibleDomain->GetTerrainMinZ(), visibleDomain->GetTerrainMaxZ()};
QGradientStops selectedGradientFill = selectedDomain->GetTerrainGradientFill();
QGradientStops newStopsFill;
for (int i=0; i<selectedGradientFill.count(); ++i)
{
QGradientStop currentStop = selectedGradientFill[i];
float percentage = currentStop.first;
QColor color = currentStop.second;
float selectedValue = selectedRange[1] - percentage*(selectedRange[1] - selectedRange[0]);
if (selectedValue >= currentRange[0] && selectedValue <= currentRange[1])
{
QGradientStop newStop;
newStop.first = (currentRange[1] - selectedValue) / (currentRange[1] - currentRange[0]);
newStop.second = color;
newStopsFill.append(newStop);
}
}
visibleDomain->SetTerrainGradientFill(newStopsFill);
}
}
}
}
