void
ScaleSliderQWidget::paintEvent(QPaintEvent* /*e*/)
{
if (_imp->mustInitializeSliderPosition) {
if (_imp->minimum < _imp->maximum) {
centerOn(_imp->minimum, _imp->maximum);
}
_imp->mustInitializeSliderPosition = false;
seekScalePosition(_imp->value);
_imp->initialized = true;
}
///fill the background with the appropriate style color
QStyleOption opt;
opt.init(this);
QPainter p(this);
p.setOpacity(1);
style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
double txtR, txtG, txtB;
if (_imp->altered) {
appPTR->getCurrentSettings()->getAltTextColor(&txtR, &txtG, &txtB);
} else {
appPTR->getCurrentSettings()->getTextColor(&txtR, &txtG, &txtB);
}
QColor textColor;
textColor.setRgbF( Image::clamp<qreal>(txtR, 0., 1.),
Image::clamp<qreal>(txtG, 0., 1.),
Image::clamp<qreal>(txtB, 0., 1.) );
QColor scaleColor;
scaleColor.setRgbF(textColor.redF() / 2., textColor.greenF() / 2., textColor.blueF() / 2.);
QFontMetrics fontM(_imp->font, 0);
if (!_imp->useLineColor) {
p.setPen(scaleColor);
} else {
p.setPen(_imp->lineColor);
}
QPointF btmLeft = _imp->zoomCtx.toZoomCoordinates(0, height() - 1);
QPointF topRight = _imp->zoomCtx.toZoomCoordinates(width() - 1, 0);
if ( btmLeft.x() == topRight.x() ) {
return;
}
/*drawing X axis*/
double lineYpos = height() - 1 - fontM.height() - TO_DPIY(TICK_HEIGHT) / 2;
p.drawLine(0, lineYpos, width() - 1, lineYpos);
double tickBottom = _imp->zoomCtx.toZoomCoordinates( 0, height() - 1 - fontM.height() ).y();
double tickTop = _imp->zoomCtx.toZoomCoordinates( 0, height() - 1 - fontM.height() - TO_DPIY(TICK_HEIGHT) ).y();
const double smallestTickSizePixel = 10.; // tick size (in pixels) for alpha = 0.
const double largestTickSizePixel = 1000.; // tick size (in pixels) for alpha = 1.
const double rangePixel = width();
const double range_min = btmLeft.x();
const double range_max = topRight.x();
const double range = range_max - range_min;
double smallTickSize;
bool half_tick;
ticks_size(range_min, range_max, rangePixel, smallestTickSizePixel, &smallTickSize, &half_tick);
if ( (_imp->dataType == eDataTypeInt) && (smallTickSize < 1.) ) {
smallTickSize = 1.;
half_tick = false;
}
int m1, m2;
const int ticks_max = 1000;
double offset;
ticks_bounds(range_min, range_max, smallTickSize, half_tick, ticks_max, &offset, &m1, &m2);
std::vector<int> ticks;
ticks_fill(half_tick, ticks_max, m1, m2, &ticks);
const double smallestTickSize = range * smallestTickSizePixel / rangePixel;
const double largestTickSize = range * largestTickSizePixel / rangePixel;
const double minTickSizeTextPixel = fontM.width( QLatin1String("00") ); // AXIS-SPECIFIC
const double minTickSizeText = range * minTickSizeTextPixel / rangePixel;
for (int i = m1; i <= m2; ++i) {
double value = i * smallTickSize + offset;
const double tickSize = ticks[i - m1] * smallTickSize;
const double alpha = ticks_alpha(smallestTickSize, largestTickSize, tickSize);
QColor color(textColor);
color.setAlphaF(alpha);
QPen pen(color);
pen.setWidthF(1.9);
p.setPen(pen);
// for Int slider, because smallTickSize is at least 1, isFloating can never be true
bool isFloating = std::abs(std::floor(0.5 + value) - value) != 0.;
assert( !(_imp->dataType == eDataTypeInt && isFloating) );
bool renderFloating = _imp->dataType == eDataTypeDouble || !isFloating;
if (renderFloating) {
QPointF tickBottomPos = _imp->zoomCtx.toWidgetCoordinates(value, tickBottom);
QPointF tickTopPos = _imp->zoomCtx.toWidgetCoordinates(value, tickTop);
p.drawLine(tickBottomPos, tickTopPos);
}
if ( renderFloating && (tickSize > minTickSizeText) ) {
const int tickSizePixel = rangePixel * tickSize / range;
const QString s = QString::number(value);
const int sSizePixel = fontM.width(s);
if (tickSizePixel > sSizePixel) {
const int sSizeFullPixel = sSizePixel + minTickSizeTextPixel;
double alphaText = 1.0; //alpha;
if (tickSizePixel < sSizeFullPixel) {
// when the text size is between sSizePixel and sSizeFullPixel,
// draw it with a lower alpha
alphaText *= (tickSizePixel - sSizePixel) / (double)minTickSizeTextPixel;
}
QColor c = _imp->readOnly || !isEnabled() ? Qt::black : textColor;
c.setAlphaF(alphaText);
p.setFont(_imp->font);
p.setPen(c);
QPointF textPos = _imp->zoomCtx.toWidgetCoordinates( value, btmLeft.y() );
p.drawText(textPos, s);
}
}
}
double positionValue = _imp->zoomCtx.toWidgetCoordinates(_imp->value, 0).x();
QPointF sliderBottomLeft(positionValue - TO_DPIX(SLIDER_WIDTH) / 2, height() - 1 - fontM.height() / 2);
QPointF sliderTopRight( positionValue + TO_DPIX(SLIDER_WIDTH) / 2, height() - 1 - fontM.height() / 2 - TO_DPIY(SLIDER_HEIGHT) );
/*draw the slider*/
p.setPen(_imp->sliderColor);
p.fillRect(sliderBottomLeft.x(), sliderBottomLeft.y(), sliderTopRight.x() - sliderBottomLeft.x(), sliderTopRight.y() - sliderBottomLeft.y(), _imp->sliderColor);
/*draw a black rect around the slider for contrast or orange when focused*/
if ( !hasFocus() ) {
p.setPen(Qt::black);
} else {
QPen pen = p.pen();
pen.setColor( QColor(243, 137, 0) );
QVector<qreal> dashStyle;
qreal space = 2;
dashStyle << 1 << space;
pen.setDashPattern(dashStyle);
p.setOpacity(0.8);
p.setPen(pen);
}
p.drawLine( sliderBottomLeft.x(), sliderBottomLeft.y(), sliderBottomLeft.x(), sliderTopRight.y() );
p.drawLine( sliderBottomLeft.x(), sliderTopRight.y(), sliderTopRight.x(), sliderTopRight.y() );
p.drawLine( sliderTopRight.x(), sliderTopRight.y(), sliderTopRight.x(), sliderBottomLeft.y() );
p.drawLine( sliderTopRight.x(), sliderBottomLeft.y(), sliderBottomLeft.x(), sliderBottomLeft.y() );
} // paintEvent
void
ScaleSliderQWidget::paintEvent(QPaintEvent* /*e*/)
{
if (_imp->mustInitializeSliderPosition) {
centerOn(_imp->minimum, _imp->maximum);
_imp->mustInitializeSliderPosition = false;
seekScalePosition(_imp->value);
_imp->initialized = true;
}
///fill the background with the appropriate style color
QStyleOption opt;
opt.init(this);
QPainter p(this);
style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
double txtR,txtG,txtB;
appPTR->getCurrentSettings()->getTextColor(&txtR, &txtG, &txtB);
QColor textColor;
textColor.setRgbF(Natron::clamp(txtR), Natron::clamp(txtG), Natron::clamp(txtB));
QColor scaleColor;
scaleColor.setRgbF(textColor.redF() / 2., textColor.greenF() / 2., textColor.blueF() / 2.);
QFontMetrics fontM(*_imp->font);
p.setPen(scaleColor);
QPointF btmLeft = _imp->zoomCtx.toZoomCoordinates(0,height() - 1);
QPointF topRight = _imp->zoomCtx.toZoomCoordinates(width() - 1, 0);
if ( btmLeft.x() == topRight.x() ) {
return;
}
/*drawing X axis*/
double lineYpos = height() - 1 - fontM.height() - TICK_HEIGHT / 2;
p.drawLine(0, lineYpos, width() - 1, lineYpos);
double tickBottom = _imp->zoomCtx.toZoomCoordinates( 0,height() - 1 - fontM.height() ).y();
double tickTop = _imp->zoomCtx.toZoomCoordinates(0,height() - 1 - fontM.height() - TICK_HEIGHT).y();
const double smallestTickSizePixel = 5.; // tick size (in pixels) for alpha = 0.
const double largestTickSizePixel = 1000.; // tick size (in pixels) for alpha = 1.
std::vector<double> acceptedDistances;
acceptedDistances.push_back(1.);
acceptedDistances.push_back(5.);
acceptedDistances.push_back(10.);
acceptedDistances.push_back(50.);
const double rangePixel = width();
const double range_min = btmLeft.x();
const double range_max = topRight.x();
const double range = range_max - range_min;
double smallTickSize;
bool half_tick;
ticks_size(range_min, range_max, rangePixel, smallestTickSizePixel, &smallTickSize, &half_tick);
int m1, m2;
const int ticks_max = 1000;
double offset;
ticks_bounds(range_min, range_max, smallTickSize, half_tick, ticks_max, &offset, &m1, &m2);
std::vector<int> ticks;
ticks_fill(half_tick, ticks_max, m1, m2, &ticks);
const double smallestTickSize = range * smallestTickSizePixel / rangePixel;
const double largestTickSize = range * largestTickSizePixel / rangePixel;
const double minTickSizeTextPixel = fontM.width( QString("00") ); // AXIS-SPECIFIC
const double minTickSizeText = range * minTickSizeTextPixel / rangePixel;
for (int i = m1; i <= m2; ++i) {
double value = i * smallTickSize + offset;
const double tickSize = ticks[i - m1] * smallTickSize;
const double alpha = ticks_alpha(smallestTickSize, largestTickSize, tickSize);
QColor color(textColor);
color.setAlphaF(alpha);
QPen pen(color);
pen.setWidthF(1.9);
p.setPen(pen);
QPointF tickBottomPos = _imp->zoomCtx.toWidgetCoordinates(value, tickBottom);
QPointF tickTopPos = _imp->zoomCtx.toWidgetCoordinates(value, tickTop);
p.drawLine(tickBottomPos,tickTopPos);
bool renderText = _imp->dataType == eDataTypeDouble || std::abs(std::floor(0.5 + value) - value) == 0.;
if (renderText && tickSize > minTickSizeText) {
const int tickSizePixel = rangePixel * tickSize / range;
const QString s = QString::number(value);
const int sSizePixel = fontM.width(s);
if (tickSizePixel > sSizePixel) {
const int sSizeFullPixel = sSizePixel + minTickSizeTextPixel;
double alphaText = 1.0; //alpha;
if (tickSizePixel < sSizeFullPixel) {
// when the text size is between sSizePixel and sSizeFullPixel,
// draw it with a lower alpha
alphaText *= (tickSizePixel - sSizePixel) / (double)minTickSizeTextPixel;
}
QColor c = _imp->readOnly || !isEnabled() ? Qt::black : textColor;
c.setAlphaF(alphaText);
p.setFont(*_imp->font);
p.setPen(c);
QPointF textPos = _imp->zoomCtx.toWidgetCoordinates( value, btmLeft.y() );
p.drawText(textPos, s);
}
}
}
double positionValue = _imp->zoomCtx.toWidgetCoordinates(_imp->value,0).x();
QPointF sliderBottomLeft(positionValue - SLIDER_WIDTH / 2,height() - 1 - fontM.height() / 2);
QPointF sliderTopRight(positionValue + SLIDER_WIDTH / 2,height() - 1 - fontM.height() / 2 - SLIDER_HEIGHT);
/*draw the slider*/
p.setPen(_imp->sliderColor);
p.fillRect(sliderBottomLeft.x(), sliderBottomLeft.y(), sliderTopRight.x() - sliderBottomLeft.x(), sliderTopRight.y() - sliderBottomLeft.y(),_imp->sliderColor);
/*draw a black rect around the slider for contrast*/
p.setPen(Qt::black);
p.drawLine( sliderBottomLeft.x(),sliderBottomLeft.y(),sliderBottomLeft.x(),sliderTopRight.y() );
p.drawLine( sliderBottomLeft.x(),sliderTopRight.y(),sliderTopRight.x(),sliderTopRight.y() );
p.drawLine( sliderTopRight.x(),sliderTopRight.y(),sliderTopRight.x(),sliderBottomLeft.y() );
p.drawLine( sliderTopRight.x(),sliderBottomLeft.y(),sliderBottomLeft.x(),sliderBottomLeft.y() );
} // paintEvent
void
AnimationModuleViewPrivate::drawCurveEditorScale()
{
glCheckError(GL_GPU);
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
QPointF btmLeft = curveEditorZoomContext.toZoomCoordinates(0, _publicInterface->height() - 1);
QPointF topRight = curveEditorZoomContext.toZoomCoordinates(_publicInterface->width() - 1, 0);
///don't attempt to draw a scale on a widget with an invalid height/width
if ( (_publicInterface->height() <= 1) || (_publicInterface->width() <= 1) ) {
return;
}
QFontMetrics fontM = _publicInterface->fontMetrics();
const double smallestTickSizePixel = 10.; // tick size (in pixels) for alpha = 0.
const double largestTickSizePixel = 500.; // tick size (in pixels) for alpha = 1.
double gridR, gridG, gridB;
SettingsPtr sett = appPTR->getCurrentSettings();
sett->getAnimationModuleEditorGridColor(&gridR, &gridG, &gridB);
double scaleR, scaleG, scaleB;
sett->getAnimationModuleEditorScaleColor(&scaleR, &scaleG, &scaleB);
QColor scaleColor;
scaleColor.setRgbF( Image::clamp(scaleR, 0., 1.),
Image::clamp(scaleG, 0., 1.),
Image::clamp(scaleB, 0., 1.) );
{
GLProtectAttrib<GL_GPU> a(GL_CURRENT_BIT | GL_COLOR_BUFFER_BIT | GL_ENABLE_BIT);
GL_GPU::Enable(GL_BLEND);
GL_GPU::BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
for (int axis = 0; axis < 2; ++axis) {
const double rangePixel = (axis == 0) ? _publicInterface->width() : _publicInterface->height(); // AXIS-SPECIFIC
const double range_min = (axis == 0) ? btmLeft.x() : btmLeft.y(); // AXIS-SPECIFIC
const double range_max = (axis == 0) ? topRight.x() : topRight.y(); // AXIS-SPECIFIC
const double range = range_max - range_min;
double smallTickSize;
bool half_tick;
ticks_size(range_min, range_max, rangePixel, smallestTickSizePixel, &smallTickSize, &half_tick);
int m1, m2;
const int ticks_max = 1000;
double offset;
ticks_bounds(range_min, range_max, smallTickSize, half_tick, ticks_max, &offset, &m1, &m2);
std::vector<int> ticks;
ticks_fill(half_tick, ticks_max, m1, m2, &ticks);
const double smallestTickSize = range * smallestTickSizePixel / rangePixel;
const double largestTickSize = range * largestTickSizePixel / rangePixel;
const double minTickSizeTextPixel = (axis == 0) ? fontM.width( QLatin1String("00") ) : fontM.height(); // AXIS-SPECIFIC
const double minTickSizeText = range * minTickSizeTextPixel / rangePixel;
for (int i = m1; i <= m2; ++i) {
double value = i * smallTickSize + offset;
const double tickSize = ticks[i - m1] * smallTickSize;
const double alpha = ticks_alpha(smallestTickSize, largestTickSize, tickSize);
glCheckError(GL_GPU);
GL_GPU::Color4f(gridR, gridG, gridB, alpha);
GL_GPU::Begin(GL_LINES);
if (axis == 0) {
GL_GPU::Vertex2f( value, btmLeft.y() ); // AXIS-SPECIFIC
GL_GPU::Vertex2f( value, topRight.y() ); // AXIS-SPECIFIC
} else {
GL_GPU::Vertex2f(btmLeft.x(), value); // AXIS-SPECIFIC
GL_GPU::Vertex2f(topRight.x(), value); // AXIS-SPECIFIC
}
GL_GPU::End();
glCheckErrorIgnoreOSXBug(GL_GPU);
if (tickSize > minTickSizeText) {
const int tickSizePixel = rangePixel * tickSize / range;
const QString s = QString::number(value);
const int sSizePixel = (axis == 0) ? fontM.width(s) : fontM.height(); // AXIS-SPECIFIC
if (tickSizePixel > sSizePixel) {
const int sSizeFullPixel = sSizePixel + minTickSizeTextPixel;
double alphaText = 1.0; //alpha;
if (tickSizePixel < sSizeFullPixel) {
// when the text size is between sSizePixel and sSizeFullPixel,
// draw it with a lower alpha
alphaText *= (tickSizePixel - sSizePixel) / (double)minTickSizeTextPixel;
}
alphaText = std::min(alphaText, alpha); // don't draw more opaque than tcks
QColor c = scaleColor;
c.setAlpha(255 * alphaText);
if (axis == 0) {
_publicInterface->renderText(value, btmLeft.y(), s.toStdString(), c.redF(), c.greenF(), c.blueF(), c.alphaF(), Qt::AlignHCenter);
} else {
_publicInterface->renderText(btmLeft.x(), value, s.toStdString(), c.redF(), c.greenF(), c.blueF(), c.alphaF(), Qt::AlignVCenter);
}
}
}
}
}
} // GLProtectAttrib a(GL_CURRENT_BIT | GL_COLOR_BUFFER_BIT | GL_ENABLE_BIT);
glCheckError(GL_GPU);
GL_GPU::Color4f(gridR, gridG, gridB, 1.);
GL_GPU::Begin(GL_LINES);
GL_GPU::Vertex2f(AXIS_MIN, 0);
GL_GPU::Vertex2f(AXIS_MAX, 0);
GL_GPU::Vertex2f(0, AXIS_MIN);
GL_GPU::Vertex2f(0, AXIS_MAX);
GL_GPU::End();
glCheckErrorIgnoreOSXBug(GL_GPU);
} // drawCurveEditorScale
