QPainterPath UBGraphicsProtractor::shape() const
{
QPainterPath path = QGraphicsEllipseItem::shape();
QPainterPath buttonPath;
QRectF markerRect = markerButtonRect();
QPointF center = rect().center();
qreal centerX = center.x();
qreal centerY = center.y();
buttonPath.addRect(resizeButtonRect().adjusted(centerX, centerY, centerX, centerY));
if (!resizeButtonRect().contains(markerRect))
{
buttonPath.addRect(markerRect.adjusted(centerX - markerRect.left() * 2 - markerRect.width(), centerY
, centerX - markerRect.left() * 2 - markerRect.width(), centerY));
buttonPath.addRect(markerRect.adjusted(centerX, centerY, centerX, centerY));
}
buttonPath.addRect(closeButtonRect().adjusted(centerX, centerY, centerX, centerY));
buttonPath.addRect(resetButtonRect().adjusted(centerX, centerY, centerX, centerY));
QTransform t;
t.translate(centerX, centerY);
t.rotate(-mStartAngle);
t.translate(-centerX, -centerY);
buttonPath = t.map(buttonPath);
buttonPath = buttonPath.subtracted(path);
path.addPath(buttonPath);
return path;
}
void UBGraphicsCompass::paint(QPainter *painter, const QStyleOptionGraphicsItem *styleOption, QWidget *widget)
{
Q_UNUSED(styleOption);
Q_UNUSED(widget);
mAntiScaleRatio = 1 / (UBApplication::boardController->systemScaleFactor() * UBApplication::boardController->currentZoom());
QTransform antiScaleTransform;
antiScaleTransform.scale(mAntiScaleRatio, mAntiScaleRatio);
mCloseSvgItem->setTransform(antiScaleTransform);
mCloseSvgItem->setPos(
closeButtonRect().center().x() - mCloseSvgItem->boundingRect().width() * mAntiScaleRatio / 2,
closeButtonRect().center().y() - mCloseSvgItem->boundingRect().height() * mAntiScaleRatio / 2);
mResizeSvgItem->setTransform(antiScaleTransform);
mResizeSvgItem->setPos(
resizeButtonRect().center().x() - mResizeSvgItem->boundingRect().width() * mAntiScaleRatio / 2,
resizeButtonRect().center().y() - mResizeSvgItem->boundingRect().height() * mAntiScaleRatio / 2);
painter->setPen(drawColor());
painter->drawRoundedRect(hingeRect(), 4, 4);
painter->fillPath(hingeShape(), middleFillColor());
painter->fillPath(needleShape(), middleFillColor());
painter->drawPath(needleShape());
painter->fillPath(needleBaseShape(), middleFillColor());
painter->drawPath(needleBaseShape());
QLinearGradient needleArmLinearGradient(
QPointF(rect().left() + sNeedleLength + sNeedleBaseLength, rect().center().y()),
QPointF(hingeRect().left(), rect().center().y()));
needleArmLinearGradient.setColorAt(0, edgeFillColor());
needleArmLinearGradient.setColorAt(1, middleFillColor());
painter->fillPath(needleArmShape(), needleArmLinearGradient);
painter->drawPath(needleArmShape());
QRectF hingeGripRect(rect().center().x() - 16, rect().center().y() - 16, 32, 32);
painter->drawEllipse(hingeGripRect);
if (mShowButtons)
paintAngleDisplay(painter);
QLinearGradient pencilArmLinearGradient(
QPointF(hingeRect().right(), rect().center().y()),
QPointF(rect().right() - sPencilLength - sPencilBaseLength, rect().center().y()));
pencilArmLinearGradient.setColorAt(0, middleFillColor());
pencilArmLinearGradient.setColorAt(1, edgeFillColor());
painter->fillPath(pencilArmShape(), pencilArmLinearGradient);
painter->drawPath(pencilArmShape());
if (scene()->isDarkBackground())
painter->fillPath(pencilShape(), UBApplication::boardController->penColorOnDarkBackground());
else
painter->fillPath(pencilShape(), UBApplication::boardController->penColorOnLightBackground());
painter->fillPath(pencilBaseShape(), middleFillColor());
painter->drawPath(pencilBaseShape());
if (mResizing || mRotating || mDrawing || (mShowButtons && rect().width() > sDisplayRadiusOnPencilArmMinLength))
paintRadiusDisplay(painter);
}
void UBGraphicsProtractor::paintButtons(QPainter *painter)
{
Q_UNUSED(painter);
if (mShowButtons)
{
qreal antiSc = antiScale();
qreal scale = buttonSizeReference().width() / mCloseSvgItem->boundingRect().width();
mCloseSvgItem->setPos(closeButtonRect().topLeft() + rect().center());
mCloseSvgItem->resetTransform();
mCloseSvgItem->translate(-closeButtonRect().left(),-closeButtonRect().top());
mCloseSvgItem->rotate(-mStartAngle);
mCloseSvgItem->translate(closeButtonRect().left(), closeButtonRect().top());
mCloseSvgItem->scale(scale * antiSc, scale * antiSc);//this do not impact the bounding box of thr svg item...
mResetSvgItem->setPos(resetButtonRect().topLeft() + rect().center());
mResetSvgItem->resetTransform();
mResetSvgItem->translate(-resetButtonRect().left(), -resetButtonRect().top());
mResetSvgItem->rotate(-mStartAngle);
mResetSvgItem->translate(resetButtonRect().left(), resetButtonRect().top());
mResetSvgItem->scale(scale * antiSc, scale * antiSc);//this do not impact the bounding box of thr svg item...
mResizeSvgItem->setPos(resizeButtonRect().topLeft() + rect().center());
mResizeSvgItem->resetTransform();
mResizeSvgItem->translate(-resizeButtonRect().left(), -resizeButtonRect().top());
mResizeSvgItem->rotate(-mStartAngle);
mResizeSvgItem->translate(resizeButtonRect().left(), resizeButtonRect().top());
mResizeSvgItem->scale(scale * antiSc, scale * antiSc);//this do not impact the bounding box of thr svg item...
mRotateSvgItem->setPos(rotateButtonRect().topLeft() + rect().center());
mRotateSvgItem->resetTransform();
mRotateSvgItem->translate(-rotateButtonRect().left(), -rotateButtonRect().top());
mRotateSvgItem->rotate(-mStartAngle);
mRotateSvgItem->translate(rotateButtonRect().left(), rotateButtonRect().top());
mRotateSvgItem->scale(scale, scale);//this do not impact the bounding box of thr svg item...
}
qreal scale = markerSizeReference().width()/mMarkerSvgItem->boundingRect().width();
mMarkerSvgItem->setPos(markerButtonRect().topLeft() + rect().center());
mMarkerSvgItem->resetTransform();
mMarkerSvgItem->translate(-markerButtonRect().left(), -markerButtonRect().top());
mMarkerSvgItem->rotate(- mStartAngle - mCurrentAngle);
mMarkerSvgItem->translate(markerButtonRect().left(), markerButtonRect().top());
mMarkerSvgItem->scale(scale, scale);//this do not impact the bounding box of thr svg item...
mCloseSvgItem->setVisible(mShowButtons);
mResetSvgItem->setVisible(mShowButtons);
mResizeSvgItem->setVisible(mShowButtons);
mRotateSvgItem->setVisible(mShowButtons);
mMarkerSvgItem->setVisible(true);
}
void UBGraphicsRuler::paint(QPainter *painter, const QStyleOptionGraphicsItem *styleOption, QWidget *widget)
{
Q_UNUSED(styleOption);
Q_UNUSED(widget);
UBAbstractDrawRuler::paint();
QTransform antiScaleTransform2;
qreal ratio = mAntiScaleRatio > 1.0 ? mAntiScaleRatio : 1.0;
antiScaleTransform2.scale(ratio, 1.0);
mResizeSvgItem->setTransform(antiScaleTransform2);
mResizeSvgItem->setPos(resizeButtonRect().topLeft());
mRotateSvgItem->setTransform(antiScaleTransform2);
mRotateSvgItem->setPos(rotateButtonRect().topLeft());
painter->setPen(drawColor());
painter->setRenderHint(QPainter::Antialiasing, true);
painter->drawRoundedRect(rect(), sRoundingRadius, sRoundingRadius);
fillBackground(painter);
paintGraduations(painter);
if (mRotating)
paintRotationCenter(painter);
}
void UBGraphicsRuler::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
{
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController ()->stylusTool ();
if (currentTool == UBStylusTool::Selector)
{
mCloseSvgItem->setVisible(mShowButtons);
mResizeSvgItem->setVisible(mShowButtons);
mRotateSvgItem->setVisible(mShowButtons);
if (resizeButtonRect().contains(event->pos()))
setCursor(resizeCursor());
else if (closeButtonRect().contains(event->pos()))
setCursor(closeCursor());
else if (rotateButtonRect().contains(event->pos()))
setCursor(rotateCursor());
else
setCursor(moveCursor());
event->accept();
}
else if (UBDrawingController::drawingController()->isDrawingTool())
{
event->accept();
}
}
UBGraphicsProtractor::Tool UBGraphicsProtractor::toolFromPos(QPointF pos)
{
pos = pos - rect().center();
QLineF line(QPointF(0,0), pos);
QTransform t;
t.rotate(mStartAngle);
QPointF p1 = t.map(pos);
t.rotate(mCurrentAngle);
QPointF p2 = t.map(pos);
if (resizeButtonRect().contains(p1))
return Resize;
else if (closeButtonRect().contains(p1))
return Close;
else if (resetButtonRect().contains(p1))
return Reset;
else if (rotateButtonRect().contains(p1))
return Rotate;
else if (markerButtonRect().contains(p2))
return MoveMarker;
else if (line.length() <= radius())
return Move;
else
return None;
}
void UBGraphicsCompass::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
{
if (UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Selector &&
UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Play)
return;
mShowButtons = shape().contains(event->pos());
mCloseSvgItem->setVisible(mShowButtons);
mResizeSvgItem->setVisible(mShowButtons);
if (mShowButtons)
{
if (hingeRect().contains(event->pos()))
setCursor(rotateCursor());
else if (event->pos().x() > rect().right() - sPencilLength - sPencilBaseLength)
setCursor(drawCursor());
else if (resizeButtonRect().contains(event->pos()))
setCursor(resizeCursor());
else if (closeButtonRect().contains(event->pos()))
setCursor(closeCursor());
else
setCursor(moveCursor());
}
else
{
setCursor(mOuterCursor);
}
event->accept();
update();
}
QRectF UBGraphicsRuler::rotateButtonRect() const
{
QPixmap rotatePixmap(":/images/closeTool.svg");
QSizeF rotateRectSize(
rotatePixmap.width() * mAntiScaleRatio,
rotatePixmap.height() * mAntiScaleRatio);
int centimeters = (int)(rect().width() - sLeftEdgeMargin - resizeButtonRect().width()) / (int)(10 * sPixelsPerMillimeter);
QPointF rotateRectCenter(
rect().left() + sLeftEdgeMargin + (centimeters - 0.5) * 10 * sPixelsPerMillimeter,
rect().center().y());
QPointF rotateRectTopLeft(
rotateRectCenter.x() - rotateRectSize.width() / 2,
rotateRectCenter.y() - rotateRectSize.height() / 2);
return QRectF(rotateRectTopLeft, rotateRectSize);
}
QRectF UBGraphicsProtractor::boundingRect() const
{
QPointF center = rect().center();
qreal centerX = center.x();
qreal centerY = center.y();
QRectF bounds = resizeButtonRect().adjusted(centerX, centerY, centerX, centerY);
bounds = bounds.united(closeButtonRect().adjusted(centerX, centerY, centerX, centerY));
bounds = bounds.united(resetButtonRect().adjusted(centerX, centerY, centerX, centerY));
QTransform t;
t.translate(centerX, centerY);
t.rotate(-mStartAngle);
t.translate(-centerX, -centerY);
bounds = t.mapRect(bounds);
bounds = bounds.united(QGraphicsEllipseItem::boundingRect());
return bounds;
}
void UBGraphicsRuler::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
if (event->pos().x() > resizeButtonRect().left())
{
mResizing = true;
event->accept();
}
else if (rotateButtonRect().contains(event->pos()))
{
mRotating = true;
event->accept();
}
else
{
mResizeSvgItem->setVisible(false);
mRotateSvgItem->setVisible(false);
QGraphicsItem::mousePressEvent(event);
}
mResizeSvgItem->setVisible(mShowButtons && mResizing);
mRotateSvgItem->setVisible(mShowButtons && mRotating);
mCloseSvgItem->setVisible(false);
}
void UBGraphicsRuler::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController ()->stylusTool ();
if (currentTool == UBStylusTool::Selector ||
currentTool == UBStylusTool::Play)
{
mCloseSvgItem->setParentItem(this);
mResizeSvgItem->setParentItem(this);
mRotateSvgItem->setParentItem(this);
mShowButtons = true;
mCloseSvgItem->setVisible(mShowButtons);
mResizeSvgItem->setVisible(mShowButtons);
mRotateSvgItem->setVisible(mShowButtons);
if (event->pos().x() >= resizeButtonRect().left())
{
setCursor(resizeCursor());
}
else
{
if (closeButtonRect().contains(event->pos()))
setCursor(closeCursor());
else if (rotateButtonRect().contains(event->pos()))
setCursor(rotateCursor());
else
setCursor(moveCursor());
}
event->accept();
update();
}
else if (UBDrawingController::drawingController()->isDrawingTool())
{
setCursor(drawRulerLineCursor());
UBDrawingController::drawingController()->mActiveRuler = this;
event->accept();
}
}
void UBGraphicsCompass::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
if (UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Selector &&
UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Play)
return;
bool closing = false;
if (resizeButtonRect().contains(event->pos()))
{
mResizing = true;
mRotating = false;
event->accept();
}
else if (hingeRect().contains(event->pos()))
{
mRotating = true;
mResizing = false;
event->accept();
}
else if (!closeButtonRect().contains(event->pos()))
{
mDrawing = event->pos().x() > rect().right() - sPencilLength - sPencilBaseLength;
if (mDrawing)
{
mSpanAngleInDegrees = 0;
mSceneArcStartPoint = mapToScene(pencilPosition());
scene()->initStroke();
scene()->moveTo(mSceneArcStartPoint);
}
QGraphicsRectItem::mousePressEvent(event);
}
else
closing = true;
mResizeSvgItem->setVisible(mShowButtons && mResizing);
mCloseSvgItem->setVisible(mShowButtons && closing);
}