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828 lines
29 KiB
828 lines
29 KiB
/*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "UBGraphicsAristo.h"
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#include "board/UBBoardController.h"
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#include "board/UBDrawingController.h"
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#include "core/UBApplication.h"
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#include "domain/UBGraphicsScene.h"
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#include <QColor>
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#include <QFont>
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#include <QFontMetricsF>
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#include <QGraphicsItem>
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#include <QLineF>
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#include <QPolygonF>
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#include <QRadialGradient>
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#include <QString>
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#include "core/memcheck.h"
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const QRectF UBGraphicsAristo::sDefaultRect = QRectF(0, 0, 800, 500);
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const UBGraphicsAristo::Orientation UBGraphicsAristo::sDefaultOrientation = UBGraphicsAristo::Bottom;
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UBGraphicsAristo::UBGraphicsAristo()
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: UBAbstractDrawRuler()
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, QGraphicsPathItem()
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, mMarking(false)
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, mResizing(false)
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, mRotating(false)
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, mOrientation(Undefined)
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, mRotatedAngle(0)
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, mMarkerAngle(0)
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, mStartAngle(0)
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, mSpan(180)
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, mHFlipSvgItem(0)
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, mMarkerSvgItem(0)
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, mResizeSvgItem(0)
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, mRotateSvgItem(0)
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{
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mHFlipSvgItem = new QGraphicsSvgItem(":/images/vflipTool.svg", this);
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mHFlipSvgItem->setVisible(false);
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mHFlipSvgItem->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Control));
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mResizeSvgItem = new QGraphicsSvgItem(":/images/resizeTool.svg", this);
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mResizeSvgItem->setVisible(false);
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mResizeSvgItem->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Control));
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mRotateSvgItem = new QGraphicsSvgItem(":/images/rotateTool.svg", this);
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mRotateSvgItem->setVisible(false);
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mRotateSvgItem->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Control));
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mMarkerSvgItem = new QGraphicsSvgItem(":/images/angleMarker.svg", this);
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mMarkerSvgItem->setVisible(false);
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mMarkerSvgItem->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Tool));
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mMarkerSvgItem->setVisible(true);
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create(*this);
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setBoundingRect(sDefaultRect);
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setOrientation(sDefaultOrientation);
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}
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UBGraphicsAristo::~UBGraphicsAristo()
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{
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/* NOOP */
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}
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/*
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* setOrientation() modify the tool orientation.
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* makeGeometryChange() is called so points are recomputed, control items are positionnated and shape is determined according to this modification.
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*/
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void UBGraphicsAristo::setOrientation(Orientation orientation)
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{
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mOrientation = orientation;
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makeGeometryChange();
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}
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/* calculatePoints() is used to calculate polygon's apexes coordinates.
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* This function handles orientation changes too.
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*/
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void UBGraphicsAristo::calculatePoints()
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{
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switch (mOrientation) {
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case Bottom:
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C.setX(boundingRect().center().x());
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C.setY(boundingRect().bottom());
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A.setX(boundingRect().left());
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A.setY(boundingRect().bottom() - boundingRect().width() / 2);
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B.setX(boundingRect().right());
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B.setY(boundingRect().bottom() - boundingRect().width() / 2);
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break;
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case Top:
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C.setX(boundingRect().center().x());
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C.setY(boundingRect().top());
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A.setX(boundingRect().left());
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A.setY(boundingRect().top() + boundingRect().width() / 2);
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B.setX(boundingRect().right());
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B.setY(boundingRect().top() + boundingRect().width() / 2);
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break;
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default:
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break;
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}
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}
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/*
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* setItemsPos() places control items according to A, B and C positions.
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* Call this function after A, B or C position modification, mostly after calling calculatePoints().
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* These positions has to be set when calling setPath() to allow hover events on items which are not into the main polygon.
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*/
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void UBGraphicsAristo::setItemsPos()
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{
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mCloseSvgItem->setPos(closeButtonRect().topLeft() + rotationCenter());
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mHFlipSvgItem->setPos(hFlipRect().topLeft() + rotationCenter());
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mRotateSvgItem->setPos(rotateRect().topLeft() + rotationCenter());
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mResizeSvgItem->setPos(resizeButtonRect().topLeft() + rotationCenter());
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mMarkerSvgItem->setPos(markerButtonRect().topLeft() + rotationCenter());
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}
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/*
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* determinePath() modify the shape according to apexes coordinates and control item positions.
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* This is useful when orientation is modified.
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* Returns the painter path corresponding to object parameters.
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*/
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QPainterPath UBGraphicsAristo::determinePath()
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{
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QPainterPath path;
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QPolygonF polygon;
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polygon << A << B << C;
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path.addPolygon(polygon);
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path.addPath(mResizeSvgItem->shape().translated(mResizeSvgItem->pos()));
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path.addPath(mMarkerSvgItem->shape().translated(mMarkerSvgItem->pos()));
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return path;
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}
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/*
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* setBoundingRect() is a helper to set the given rectangle as the new shape to limit apexes coordinates.
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* This is useful when instanciating or resizing the object.
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* makeGeometryChange() is called so points are recomputed, control items are positionnated and shape is determined according to this modification.
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* Setting bounds' width less than 300 is not allowed.
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*/
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void UBGraphicsAristo::setBoundingRect(QRectF boundingRect)
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{
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if (boundingRect.width() < 300)
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return;
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QPainterPath path;
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path.addRect(boundingRect);
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setPath(path);
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if (mOrientation != Undefined)
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makeGeometryChange();
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}
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void UBGraphicsAristo::makeGeometryChange()
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{
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calculatePoints();
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setItemsPos();
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setPath(determinePath());
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}
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UBItem* UBGraphicsAristo::deepCopy(void) const
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{
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UBGraphicsAristo* copy = new UBGraphicsAristo();
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copyItemParameters(copy);
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return copy;
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}
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void UBGraphicsAristo::copyItemParameters(UBItem *copy) const
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{
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UBGraphicsAristo* cp = dynamic_cast<UBGraphicsAristo*>(copy);
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if (cp)
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{
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/* TODO: copy all members */
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cp->setPos(this->pos());
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cp->setTransform(this->transform());
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cp->setBoundingRect(boundingRect());
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cp->setOrientation(mOrientation);
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cp->mRotatedAngle = mRotatedAngle;
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cp->mMarkerAngle = mMarkerAngle;
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}
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}
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void UBGraphicsAristo::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
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{
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QPolygonF polygon;
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painter->setBrush(fillBrush());
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painter->setPen(drawColor());
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polygon << A << B << C;
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painter->drawPolygon(polygon);
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polygon.clear();
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paintGraduations(painter);
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paintMarker(painter);
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}
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QBrush UBGraphicsAristo::fillBrush() const
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{
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QColor fillColor = edgeFillColor();// scene()->isDarkBackground() ? sDarkBackgroundFillColor : sFillColor;
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QColor fillColorCenter = middleFillColor();//scene()->isDarkBackground() ? sDarkBackgroundFillColorCenter : sFillColorCenter;
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QColor transparentWhite = Qt::white;
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transparentWhite.setAlpha(scene()->isDarkBackground() ? sDrawTransparency : sFillTransparency);
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QRadialGradient radialGradient(boundingRect().center(), radius(), boundingRect().center());
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radialGradient.setColorAt(0, fillColorCenter);
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radialGradient.setColorAt(1, fillColor);
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return radialGradient;
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}
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/* paintGraduations() paints graduations on the ruler side (length graduations) and the two other sides (angle graduation) */
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void UBGraphicsAristo::paintGraduations(QPainter *painter)
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{
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paintRulerGraduations(painter);
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paintProtractorGraduations(painter);
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}
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void UBGraphicsAristo::paintRulerGraduations(QPainter *painter)
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{
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/* defining useful constants */
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const int centimeterGraduationHeight = 15;
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const int halfCentimeterGraduationHeight = 10;
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const int millimeterGraduationHeight = 5;
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const int millimetersPerCentimeter = 10;
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const int millimetersPerHalfCentimeter = 5;
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painter->save();
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painter->setFont(font());
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QFontMetricsF fontMetrics(painter->font());
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/* Browsing milliters in half width of ruler side */
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for (int millimeters = 0; millimeters < (boundingRect().width() / 2 - sLeftEdgeMargin - sRoundingRadius) / sPixelsPerMillimeter; millimeters++)
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{
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/* defining graduationHeight ; values are different to draw bigger lines if millimiter considered is a centimeter or a half centimeter */
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int graduationHeight = (0 == millimeters % millimetersPerCentimeter) ?
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centimeterGraduationHeight :
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((0 == millimeters % millimetersPerHalfCentimeter) ?
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halfCentimeterGraduationHeight : millimeterGraduationHeight);
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/* correcting graduationHeight: draw the line in the other direction in case ruler is top-oriented, to stay inside the tool and inside the rect */
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graduationHeight = mOrientation == Bottom ? graduationHeight : - graduationHeight;
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/* drawing graduation to the left and to the right of origin, which is the center of graduated side */
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painter->drawLine(QLine(rotationCenter().x() + sPixelsPerMillimeter * millimeters, rotationCenter().y(), rotationCenter().x() + sPixelsPerMillimeter * millimeters, rotationCenter().y() + graduationHeight));
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if (millimeters != 0)
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painter->drawLine(QLine(rotationCenter().x() - sPixelsPerMillimeter * millimeters, rotationCenter().y(), rotationCenter().x() - sPixelsPerMillimeter * millimeters, rotationCenter().y() + graduationHeight));
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/* drawing associated value if considered graduation is a centimeter */
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if (0 == millimeters % millimetersPerCentimeter)
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{
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/* defining graduation value */
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QString text = QString("%1").arg((int)(millimeters / millimetersPerCentimeter));
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/* staying inside polygon */
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if (rotationCenter().x() + sPixelsPerMillimeter * millimeters + fontMetrics.width(text) / 2 < boundingRect().right())
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{
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qreal textWidth = fontMetrics.width(text);
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qreal textHeight = fontMetrics.tightBoundingRect(text).height() + 5;
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/* text y-coordinate is different according to tool's orientation */
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qreal textY = mOrientation == Bottom ? A.y() + 5 + centimeterGraduationHeight : A.y() - 5 - centimeterGraduationHeight + graduationHeight;
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/* if text's rect is not out of polygon's bounds, drawing value below or above graduation */
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QPointF intersectionPoint;
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bool paint = false;
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if (mOrientation == Bottom && QLineF(QPointF(rotationCenter().x() - sPixelsPerMillimeter * millimeters - textWidth / 2, rotationCenter().y()), QPointF(rotationCenter().x() - sPixelsPerMillimeter * millimeters - textWidth / 2, textY + textHeight)).intersect(QLineF(A, C), &intersectionPoint) != QLineF::BoundedIntersection && QLineF(QPointF(rotationCenter().x() - sPixelsPerMillimeter * millimeters + textWidth / 2, rotationCenter().y()), QPointF(rotationCenter().x() - sPixelsPerMillimeter * millimeters + textWidth / 2, textY + textHeight)).intersect(QLineF(A, C), &intersectionPoint) != QLineF::BoundedIntersection) {
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paint = true;
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}
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else if (mOrientation == Top && QLineF(QPointF(rotationCenter().x() - sPixelsPerMillimeter * millimeters - textWidth / 2, rotationCenter().y()), QPointF(rotationCenter().x() - sPixelsPerMillimeter * millimeters - textWidth / 2, textY - textHeight)).intersect(QLineF(A, C), &intersectionPoint) != QLineF::BoundedIntersection && QLineF(QPointF(rotationCenter().x() - sPixelsPerMillimeter * millimeters + textWidth / 2, rotationCenter().y()), QPointF(rotationCenter().x() - sPixelsPerMillimeter * millimeters + textWidth / 2, textY - textHeight)).intersect(QLineF(A, C), &intersectionPoint) != QLineF::BoundedIntersection) {
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paint = true;
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}
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if (paint) {
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painter->drawText(
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QRectF(rotationCenter().x() + sPixelsPerMillimeter * millimeters - textWidth / 2, textY, textWidth, textHeight),
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Qt::AlignVCenter, text);
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if (millimeters != 0)
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painter->drawText(
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QRectF(rotationCenter().x() - sPixelsPerMillimeter * millimeters - textWidth / 2, textY, textWidth, textHeight),
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Qt::AlignVCenter, text);
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}
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}
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}
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}
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painter->restore();
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}
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void UBGraphicsAristo::paintProtractorGraduations(QPainter* painter)
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{
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/* defining useful constants */
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const int tenDegreeGraduationLength = 15;
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const int fiveDegreeGraduationLength = 10;
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const int oneDegreeGraduationLength = 5;
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painter->save();
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QFont font1 = painter->font();
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#ifdef Q_WS_MAC
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font1.setPointSizeF(font1.pointSizeF() - 3);
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#endif
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QFontMetricsF fm1(font1);
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//Font for internal arc
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QFont font2 = painter->font();
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font2.setPointSizeF(font1.pointSizeF()/1.5);
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QFontMetricsF fm2(font2);
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/* defining virtual arc diameter */
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qreal rad = radius();
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QPointF center = rotationCenter();
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/* browsing angles */
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for (int angle = 1; angle < mSpan; angle++)
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{
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int graduationLength = (0 == angle % 10) ? tenDegreeGraduationLength : ((0 == angle % 5) ? fiveDegreeGraduationLength : oneDegreeGraduationLength);
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qreal co = cos(((qreal)angle + mStartAngle) * PI/180);
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qreal si = sin(((qreal)angle + mStartAngle) * PI/180);
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/* inverse sinus according to the orientation, to draw graduations on the polygon */
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si = mOrientation == Bottom ? -si : si;
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/* drawing the graduation around the virtual arc */
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if (angle >= sArcAngleMargin && angle <= mSpan - sArcAngleMargin)
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painter->drawLine(QLineF(QPointF(center.x()+ rad/2*co, center.y() - rad/2*si),
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QPointF(center.x()+ (rad/2 + graduationLength)*co,
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center.y() - (rad/2 + graduationLength)*si)));
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QPointF intersectionPoint;
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QLineF referenceLine;
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if (angle < 90)
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referenceLine.setP1(B);
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else
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referenceLine.setP1(A);
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referenceLine.setP2(C);
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/* if angle is 10-multiple, drawing it's value, rotated to be easily red */
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if (0 == angle % 10) {
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QString grad = QString("%1").arg((int)(angle));
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QString grad2 = QString("%1").arg((int)mSpan - angle);
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painter->setFont(font2);
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painter->save();
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painter->translate(center.x() + (rad/2 + graduationLength*1.5)*co, center.y() - (rad/2 + graduationLength*1.5)*si);
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int degrees = mOrientation == Bottom ? angle : -angle;
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painter->rotate(-90 + degrees);
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painter->drawText(- fm2.width(grad)/2, - fm2.height()/2, fm2.width(grad), fm2.height(), Qt::AlignCenter, grad);
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painter->restore();
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painter->setFont(font1);
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/* drawing the graduation near tool's side */
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if (QLineF(QPointF(center.x()+ rad/2*co, center.y() - rad/2*si),
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QPointF(center.x()+ (rad/2 + graduationLength)*co,
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center.y() - (rad/2 + graduationLength)*si)).intersect(referenceLine, &intersectionPoint) == QLineF::UnboundedIntersection)
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painter->drawLine(QLineF(QPointF(center.x() + (rad/2 + graduationLength*1.5 + fm2.width(grad)/2)*co,
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center.y() - (rad/2 + graduationLength*1.5 + fm2.height()/2)*si),
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intersectionPoint));
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}
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/* drawing the graduation near tool's side */
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else
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if (QLineF(QPointF(center.x()+ rad/2*co, center.y() - rad/2*si),
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QPointF(center.x()+ (rad/2 + graduationLength)*co,
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center.y() - (rad/2 + graduationLength)*si)).intersect(referenceLine, &intersectionPoint) == QLineF::UnboundedIntersection)
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painter->drawLine(QLineF(QPointF(intersectionPoint.x() - (graduationLength*1.5)*co,
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intersectionPoint.y() + (graduationLength*1.5)*si),
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intersectionPoint));
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}
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painter->restore();
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}
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/* paintMarker() adjust marker button according to the current angle, draw the line allowing user to set precisely the angle, and draw the current angle's value. */
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void UBGraphicsAristo::paintMarker(QPainter *painter)
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{
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/* adjusting marker button */
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mMarkerSvgItem->resetTransform();
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mMarkerSvgItem->translate(-markerButtonRect().left(), -markerButtonRect().top());
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mMarkerSvgItem->rotate(mMarkerAngle);
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mMarkerSvgItem->translate(markerButtonRect().left(), markerButtonRect().top());
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qreal co = cos((mMarkerAngle) * PI/180);
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qreal si = sin((mMarkerAngle) * PI/180);
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/* Setting point composing the line (from point C) which intersects the line we want to draw. */
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QPointF referencePoint;
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if (mOrientation == Bottom) {
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if ((int)mMarkerAngle % 360 < 90)
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referencePoint = B;
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else
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referencePoint = A;
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}
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else if (mOrientation == Top) {
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if ((int)mMarkerAngle % 360 < 270 && (int)mMarkerAngle % 360 > 0)
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referencePoint = A;
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else
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referencePoint = B;
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}
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/* getting intersection point to draw the wanted line */
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QLineF intersectedLine(rotationCenter(), QPointF(rotationCenter().x()+co, rotationCenter().y()+si));
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QPointF intersectionPoint;
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if (intersectedLine.intersect(QLineF(referencePoint, C), &intersectionPoint))
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painter->drawLine(QLineF(intersectionPoint, rotationCenter()));
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/* drawing angle value */
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qreal rightAngle = mOrientation == Bottom ? mMarkerAngle : 360 - mMarkerAngle;
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QString angleText = QString("%1°").arg(rightAngle, 0, 'f', 1);
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QFont font1 = painter->font();
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#ifdef Q_WS_MAC
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font1.setPointSizeF(font1.pointSizeF() - 3);
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#endif
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QFontMetricsF fm1(font1);
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if (mOrientation == Bottom)
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painter->drawText(rotationCenter().x() - fm1.width(angleText)/2 - radius()/8, rotationCenter().y() + radius()/8 - fm1.height()/2, fm1.width(angleText), fm1.height(), Qt::AlignCenter, angleText);
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else
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painter->drawText(rotationCenter().x() - fm1.width(angleText)/2 - radius()/8, rotationCenter().y() - radius()/8 - fm1.height()/2, fm1.width(angleText), fm1.height(), Qt::AlignCenter, angleText);
|
|
}
|
|
|
|
|
|
void UBGraphicsAristo::rotateAroundCenter(qreal angle)
|
|
{
|
|
qreal oldAngle = mRotatedAngle;
|
|
mRotatedAngle = angle;
|
|
QTransform transform;
|
|
rotateAroundCenter(transform, rotationCenter());
|
|
setTransform(transform, true);
|
|
mRotatedAngle = oldAngle + angle; // We have to store absolute value for FLIP case
|
|
}
|
|
|
|
void UBGraphicsAristo::rotateAroundCenter(QTransform& transform, QPointF center)
|
|
{
|
|
transform.translate(center.x(), center.y());
|
|
transform.rotate(mRotatedAngle);
|
|
transform.translate(- center.x(), - center.y());
|
|
}
|
|
|
|
void UBGraphicsAristo::resize(qreal factor)
|
|
{
|
|
prepareGeometryChange();
|
|
translate(rotationCenter().x(), rotationCenter().y());
|
|
scale(factor, factor);
|
|
translate(-rotationCenter().x(), -rotationCenter().y());
|
|
}
|
|
|
|
|
|
QPointF UBGraphicsAristo::rotationCenter() const
|
|
{
|
|
return QPointF((A.x() + B.x()) / 2, (A.y() + B.y()) / 2);
|
|
}
|
|
|
|
QRectF UBGraphicsAristo::closeButtonRect() const
|
|
{
|
|
qreal y = radius() / 4 + hFlipRect().height() + 3 + rotateRect().height() + 3;
|
|
if (mOrientation == Top)
|
|
y = -y;
|
|
return QRectF(- mCloseSvgItem->boundingRect().width() / 2, y, mCloseSvgItem->boundingRect().width(), mCloseSvgItem->boundingRect().height());
|
|
}
|
|
|
|
QRectF UBGraphicsAristo::hFlipRect() const
|
|
{
|
|
qreal y = radius() / 4;
|
|
if (mOrientation == Top)
|
|
y = -y;
|
|
|
|
return QRectF(- mHFlipSvgItem->boundingRect().width() / 2, y, mHFlipSvgItem->boundingRect().width(), mHFlipSvgItem->boundingRect().height());
|
|
}
|
|
|
|
QRectF UBGraphicsAristo::markerButtonRect() const
|
|
{
|
|
return QRectF (radius()/2 - mMarkerSvgItem->boundingRect().width(), - mMarkerSvgItem->boundingRect().height()/2, mMarkerSvgItem->boundingRect().width(), mMarkerSvgItem->boundingRect().height());
|
|
}
|
|
|
|
QRectF UBGraphicsAristo::resizeButtonRect() const
|
|
{
|
|
return QRectF((B - rotationCenter()).x() - 100 - mResizeSvgItem->boundingRect().width()/2, - mResizeSvgItem->boundingRect().height()/2, mResizeSvgItem->boundingRect().width(), mResizeSvgItem->boundingRect().height());
|
|
}
|
|
|
|
QRectF UBGraphicsAristo::rotateRect() const
|
|
{
|
|
qreal y = radius() / 4 + hFlipRect().height() + 3;
|
|
if (mOrientation == Top)
|
|
y = -y;
|
|
return QRectF(- mRotateSvgItem->boundingRect().width() / 2, y, mRotateSvgItem->boundingRect().width(), mRotateSvgItem->boundingRect().height());
|
|
|
|
}
|
|
|
|
QCursor UBGraphicsAristo::flipCursor() const
|
|
{
|
|
return Qt::ArrowCursor;
|
|
}
|
|
|
|
QCursor UBGraphicsAristo::markerCursor() const
|
|
{
|
|
return Qt::ArrowCursor;
|
|
}
|
|
|
|
QCursor UBGraphicsAristo::resizeCursor() const
|
|
{
|
|
return Qt::ArrowCursor;
|
|
}
|
|
|
|
|
|
void UBGraphicsAristo::mousePressEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
switch (toolFromPos(event->pos())) {
|
|
case Rotate:
|
|
mRotating = true;
|
|
event->accept();
|
|
break;
|
|
case Resize:
|
|
mResizing = true;
|
|
event->accept();
|
|
break;
|
|
case MoveMarker:
|
|
mMarking = true;
|
|
event->accept();
|
|
break;
|
|
default:
|
|
QGraphicsItem::mousePressEvent(event);
|
|
break;
|
|
}
|
|
|
|
mShowButtons = false;
|
|
mHFlipSvgItem->setVisible(false);
|
|
mCloseSvgItem->setVisible(false);
|
|
mRotateSvgItem->setVisible(mRotating);
|
|
mResizeSvgItem->setVisible(mResizing);
|
|
update();
|
|
}
|
|
|
|
void UBGraphicsAristo::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
|
|
if (!mResizing && !mRotating && !mMarking)
|
|
{
|
|
QGraphicsItem::mouseMoveEvent(event);
|
|
}
|
|
else
|
|
{
|
|
QLineF currentLine(rotationCenter(), event->pos());
|
|
QLineF lastLine(rotationCenter(), event->lastPos());
|
|
|
|
if (mRotating) {
|
|
|
|
rotateAroundCenter(currentLine.angleTo(lastLine));
|
|
}
|
|
else if (mResizing) {
|
|
QPointF delta = event->pos() - event->lastPos();
|
|
setBoundingRect(QRectF(boundingRect().topLeft(), QSizeF(boundingRect().width() + delta.x(), boundingRect().height() + delta.x())));
|
|
}
|
|
else if(mMarking) {
|
|
qreal angle = currentLine.angleTo(lastLine);
|
|
|
|
mMarkerAngle += angle;
|
|
mMarkerAngle -= (int)(mMarkerAngle/360)*360;
|
|
|
|
if (mOrientation == Bottom) {
|
|
if (mMarkerAngle >= 270)
|
|
mMarkerAngle = 0;
|
|
else if (mMarkerAngle > 180)
|
|
mMarkerAngle = 180;
|
|
}
|
|
else if (mOrientation == Top) {
|
|
if (mMarkerAngle < 90)
|
|
mMarkerAngle = 360;
|
|
else if (mMarkerAngle < 180)
|
|
mMarkerAngle = 180;
|
|
}
|
|
update();
|
|
}
|
|
|
|
event->accept();
|
|
}
|
|
}
|
|
|
|
void UBGraphicsAristo::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
if (mResizing || mRotating || mMarking)
|
|
{
|
|
mResizing = false;
|
|
mRotating = false;
|
|
mMarking = false;
|
|
event->accept();
|
|
}
|
|
else
|
|
{
|
|
switch (toolFromPos(event->pos())) {
|
|
case Close :
|
|
hide();
|
|
emit hidden();
|
|
break;
|
|
case HorizontalFlip:
|
|
/* substracting difference to zero [2pi] twice, to obtain the desired angle */
|
|
mMarkerAngle -= 2 * (mMarkerAngle - (int)(mMarkerAngle/360)*360) - 360;
|
|
/* setting new orientation */
|
|
switch(mOrientation) {
|
|
case Bottom:
|
|
setOrientation(Top);
|
|
break;
|
|
case Top:
|
|
setOrientation(Bottom);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
default:
|
|
QGraphicsItem::mouseReleaseEvent(event);
|
|
break;
|
|
}
|
|
}
|
|
|
|
mShowButtons = true;
|
|
update();
|
|
if (scene())
|
|
scene()->setModified(true);
|
|
}
|
|
|
|
void UBGraphicsAristo::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
|
|
{
|
|
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController ()->stylusTool ();
|
|
|
|
if (currentTool == UBStylusTool::Selector) {
|
|
mShowButtons = true;
|
|
mHFlipSvgItem->setVisible(true);
|
|
mRotateSvgItem->setVisible(true);
|
|
mResizeSvgItem->setVisible(true);
|
|
mCloseSvgItem->setVisible(true);
|
|
|
|
switch (toolFromPos(event->pos())) {
|
|
case HorizontalFlip:
|
|
setCursor(flipCursor());
|
|
break;
|
|
case Rotate:
|
|
setCursor(rotateCursor());
|
|
break;
|
|
case Resize:
|
|
setCursor(resizeCursor());
|
|
break;
|
|
case MoveMarker:
|
|
setCursor(markerCursor());
|
|
break;
|
|
case Close:
|
|
setCursor(closeCursor());
|
|
break;
|
|
default:
|
|
setCursor(moveCursor());
|
|
break;
|
|
}
|
|
|
|
event->accept();
|
|
update();
|
|
|
|
} else if (UBDrawingController::drawingController()->isDrawingTool()) {
|
|
setCursor(drawRulerLineCursor());
|
|
UBDrawingController::drawingController()->mActiveRuler = this;
|
|
event->accept();
|
|
}
|
|
}
|
|
|
|
void UBGraphicsAristo::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
|
|
{
|
|
mShowButtons = false;
|
|
setCursor(Qt::ArrowCursor);
|
|
mHFlipSvgItem->setVisible(false);
|
|
mRotateSvgItem->setVisible(false);
|
|
mResizeSvgItem->setVisible(false);
|
|
mCloseSvgItem->setVisible(false);
|
|
UBDrawingController::drawingController()->mActiveRuler = NULL;
|
|
event->accept();
|
|
update();
|
|
}
|
|
|
|
void UBGraphicsAristo::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
|
|
{
|
|
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController ()->stylusTool ();
|
|
|
|
if (currentTool == UBStylusTool::Selector)
|
|
{
|
|
mShowButtons = true;
|
|
mHFlipSvgItem->setVisible(true);
|
|
mRotateSvgItem->setVisible(true);
|
|
mResizeSvgItem->setVisible(true);
|
|
mCloseSvgItem->setVisible(true);
|
|
|
|
switch (toolFromPos(event->pos())) {
|
|
case HorizontalFlip:
|
|
setCursor(flipCursor());
|
|
break;
|
|
case Rotate:
|
|
setCursor(rotateCursor());
|
|
break;
|
|
case Resize:
|
|
setCursor(resizeCursor());
|
|
break;
|
|
case MoveMarker:
|
|
setCursor(markerCursor());
|
|
break;
|
|
case Close:
|
|
setCursor(closeCursor());
|
|
break;
|
|
default:
|
|
setCursor(moveCursor());
|
|
break;
|
|
}
|
|
|
|
event->accept();
|
|
}
|
|
else if (UBDrawingController::drawingController()->isDrawingTool())
|
|
event->accept();
|
|
}
|
|
|
|
/*
|
|
* toolfromPos() returns the item type corresponding to the given position.
|
|
* This method is used to reduce the amount of code in each event function and improve class' maintainability.
|
|
* pos: event's position ; a rotation is done to counter elements rotation, like the marker button.
|
|
*/
|
|
UBGraphicsAristo::Tool UBGraphicsAristo::toolFromPos(QPointF pos)
|
|
{
|
|
pos = pos - rotationCenter();
|
|
|
|
qreal rotationAngle = mOrientation == Bottom ? - mMarkerAngle : Top ? 360 * (int)(mMarkerAngle / 360 + 1) - mMarkerAngle : 0;
|
|
|
|
QTransform t;
|
|
t.rotate(rotationAngle);
|
|
QPointF p2 = t.map(pos);
|
|
|
|
if (resizeButtonRect().contains(pos))
|
|
return Resize;
|
|
else if (closeButtonRect().contains(pos))
|
|
return Close;
|
|
else if (rotateRect().contains(pos))
|
|
return Rotate;
|
|
else if (markerButtonRect().contains(p2))
|
|
return MoveMarker;
|
|
else if (hFlipRect().contains(pos))
|
|
return HorizontalFlip;
|
|
else if (shape().contains(pos))
|
|
return Move;
|
|
else
|
|
return None;
|
|
}
|
|
|
|
|
|
void UBGraphicsAristo::StartLine(const QPointF &scenePos, qreal width)
|
|
{
|
|
QPointF itemPos = mapFromScene(scenePos);
|
|
|
|
qreal y;
|
|
|
|
y = rotationCenter().y();
|
|
|
|
if (itemPos.x() < boundingRect().x() + sLeftEdgeMargin)
|
|
itemPos.setX(boundingRect().x() + sLeftEdgeMargin);
|
|
if (itemPos.x() > boundingRect().x() + boundingRect().width() - sLeftEdgeMargin)
|
|
itemPos.setX(boundingRect().x() + boundingRect().width() - sLeftEdgeMargin);
|
|
|
|
itemPos.setY(y);
|
|
itemPos = mapToScene(itemPos);
|
|
|
|
scene()->moveTo(itemPos);
|
|
scene()->drawLineTo(itemPos, width, true);
|
|
}
|
|
|
|
void UBGraphicsAristo::DrawLine(const QPointF &scenePos, qreal width)
|
|
{
|
|
QPointF itemPos = mapFromScene(scenePos);
|
|
|
|
qreal y;
|
|
|
|
y = rotationCenter().y();
|
|
|
|
if (itemPos.x() < boundingRect().x() + sLeftEdgeMargin)
|
|
itemPos.setX(boundingRect().x() + sLeftEdgeMargin);
|
|
if (itemPos.x() > boundingRect().x() + boundingRect().width() - sLeftEdgeMargin)
|
|
itemPos.setX(boundingRect().x() + boundingRect().width() - sLeftEdgeMargin);
|
|
|
|
itemPos.setY(y);
|
|
itemPos = mapToScene(itemPos);
|
|
|
|
// We have to use "pointed" line for marker tool
|
|
scene()->drawLineTo(itemPos, width,
|
|
UBDrawingController::drawingController()->stylusTool() != UBStylusTool::Marker);
|
|
}
|
|
|
|
void UBGraphicsAristo::EndLine()
|
|
{
|
|
/* NOOP */
|
|
}
|
|
|
|
|
|
UBGraphicsScene* UBGraphicsAristo::scene() const
|
|
{
|
|
return static_cast<UBGraphicsScene*>(QGraphicsPathItem::scene());
|
|
}
|
|
|