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800 lines
26 KiB
800 lines
26 KiB
/*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard 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, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard 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 OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "tools/UBGraphicsCompass.h"
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#include "domain/UBGraphicsScene.h"
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#include "core/UBApplication.h"
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#include "core/UBSettings.h"
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#include "gui/UBResources.h"
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#include "domain/UBGraphicsScene.h"
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#include "board/UBBoardController.h" // TODO UB 4.x clean that dependency
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#include "board/UBDrawingController.h" // TODO UB 4.x clean that dependency
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#include "core/memcheck.h"
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const QRect UBGraphicsCompass::sDefaultRect = QRect(0, -20, 300, 48);
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const QColor UBGraphicsCompass::sLightBackgroundMiddleFillColor = QColor(0x72, 0x72, 0x72, sFillTransparency);
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const QColor UBGraphicsCompass::sLightBackgroundEdgeFillColor = QColor(0xc3, 0xc3, 0xc3, sFillTransparency);
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const QColor UBGraphicsCompass::sLightBackgroundDrawColor = QColor(0x33, 0x33, 0x33, sDrawTransparency);
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const QColor UBGraphicsCompass::sDarkBackgroundMiddleFillColor = QColor(0xb5, 0xb5, 0xb5, sFillTransparency);
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const QColor UBGraphicsCompass::sDarkBackgroundEdgeFillColor = QColor(0xdd, 0xdd, 0xdd, sFillTransparency);
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const QColor UBGraphicsCompass::sDarkBackgroundDrawColor = QColor(0xff, 0xff, 0xff, sDrawTransparency);
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const int UBGraphicsCompass::sMinRadius = UBGraphicsCompass::sNeedleLength + UBGraphicsCompass::sNeedleBaseLength
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+ 32 + UBGraphicsCompass::sDefaultRect.height() + 32 + UBGraphicsCompass::sPencilBaseLength
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+ UBGraphicsCompass::sPencilLength;
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UBGraphicsCompass::UBGraphicsCompass()
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: QGraphicsRectItem()
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, mResizing(false)
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, mRotating(false)
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, mDrawing(false)
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, mShowButtons(false)
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, mSpanAngleInDegrees(0)
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, mDrewCircle(false)
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, mCloseSvgItem(0)
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, mResizeSvgItem(0)
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, mAntiScaleRatio(1.0)
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, mDrewCenterCross(false)
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{
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setRect(sDefaultRect);
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//TODO claudio: remove code duplication
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QDesktopWidget* desktop = UBApplication::desktop();
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int dpiCommon = (desktop->physicalDpiX() + desktop->physicalDpiY()) / 2;
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mPixelsPerMillimeter = qRound(dpiCommon / 25.4f);
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setFlag(QGraphicsItem::ItemIsMovable, true);
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setFlag(QGraphicsItem::ItemIsSelectable, true);
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setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
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setAcceptsHoverEvents(true);
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mCloseSvgItem = new QGraphicsSvgItem(":/images/closeTool.svg", this);
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mCloseSvgItem->setVisible(false);
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mCloseSvgItem->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Control));
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mResizeSvgItem = new QGraphicsSvgItem(":/images/resizeCompass.svg", this);
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mResizeSvgItem->setVisible(false);
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mResizeSvgItem->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Control));
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updateResizeCursor();
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updateDrawCursor();
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unsetCursor();
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setData(UBGraphicsItemData::itemLayerType, QVariant(itemLayerType::CppTool)); //Necessary to set if we want z value to be assigned correctly
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setFlag(QGraphicsItem::ItemIsSelectable, false);
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connect(UBApplication::boardController, SIGNAL(penColorChanged()), this, SLOT(penColorChanged()));
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connect(UBDrawingController::drawingController(), SIGNAL(lineWidthIndexChanged(int)), this, SLOT(lineWidthChanged()));
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}
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UBGraphicsCompass::~UBGraphicsCompass()
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{
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// NOOP
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}
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UBItem* UBGraphicsCompass::deepCopy() const
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{
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UBGraphicsCompass* copy = new UBGraphicsCompass();
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copyItemParameters(copy);
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// TODO UB 4.7 ... complete all members ?
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return copy;
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}
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void UBGraphicsCompass::copyItemParameters(UBItem *copy) const
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{
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UBGraphicsCompass *cp = dynamic_cast<UBGraphicsCompass*>(copy);
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if (cp)
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{
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cp->setPos(this->pos());
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cp->setRect(this->rect());
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cp->setTransform(this->transform());
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}
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}
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void UBGraphicsCompass::paint(QPainter *painter, const QStyleOptionGraphicsItem *styleOption, QWidget *widget)
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{
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Q_UNUSED(styleOption);
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Q_UNUSED(widget);
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painter->setBrush(edgeFillColor());
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mAntiScaleRatio = 1 / (UBApplication::boardController->systemScaleFactor() * UBApplication::boardController->currentZoom());
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QTransform antiScaleTransform;
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antiScaleTransform.scale(mAntiScaleRatio, mAntiScaleRatio);
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mCloseSvgItem->setTransform(antiScaleTransform);
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mCloseSvgItem->setPos(
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closeButtonRect().center().x() - mCloseSvgItem->boundingRect().width() * mAntiScaleRatio / 2,
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closeButtonRect().center().y() - mCloseSvgItem->boundingRect().height() * mAntiScaleRatio / 2);
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mResizeSvgItem->setTransform(antiScaleTransform);
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mResizeSvgItem->setPos(
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resizeButtonRect().center().x() - mResizeSvgItem->boundingRect().width() * mAntiScaleRatio / 2,
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resizeButtonRect().center().y() - mResizeSvgItem->boundingRect().height() * mAntiScaleRatio / 2);
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painter->setPen(drawColor());
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painter->drawRoundedRect(hingeRect(), 4, 4);
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painter->fillPath(hingeShape(), middleFillColor());
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painter->fillPath(needleShape(), middleFillColor());
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painter->drawPath(needleShape());
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painter->fillPath(needleBaseShape(), middleFillColor());
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painter->drawPath(needleBaseShape());
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QLinearGradient needleArmLinearGradient(
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QPointF(rect().left() + sNeedleLength + sNeedleBaseLength, rect().center().y()),
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QPointF(hingeRect().left(), rect().center().y()));
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needleArmLinearGradient.setColorAt(0, edgeFillColor());
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needleArmLinearGradient.setColorAt(1, middleFillColor());
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painter->fillPath(needleArmShape(), needleArmLinearGradient);
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painter->drawPath(needleArmShape());
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QRectF hingeGripRect(rect().center().x() - 16, rect().center().y() - 16, 32, 32);
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painter->drawEllipse(hingeGripRect);
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if (mShowButtons)
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paintAngleDisplay(painter);
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QLinearGradient pencilArmLinearGradient(
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QPointF(hingeRect().right(), rect().center().y()),
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QPointF(rect().right() - sPencilLength - sPencilBaseLength, rect().center().y()));
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pencilArmLinearGradient.setColorAt(0, middleFillColor());
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pencilArmLinearGradient.setColorAt(1, edgeFillColor());
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painter->fillPath(pencilArmShape(), pencilArmLinearGradient);
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painter->drawPath(pencilArmShape());
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if (scene()->isDarkBackground())
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painter->fillPath(pencilShape(), UBApplication::boardController->penColorOnDarkBackground());
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else
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painter->fillPath(pencilShape(), UBApplication::boardController->penColorOnLightBackground());
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painter->fillPath(pencilBaseShape(), middleFillColor());
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painter->drawPath(pencilBaseShape());
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if (mResizing || mRotating || mDrawing || (mShowButtons && rect().width() > sDisplayRadiusOnPencilArmMinLength))
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paintRadiusDisplay(painter);
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}
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QVariant UBGraphicsCompass::itemChange(GraphicsItemChange change, const QVariant &value)
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{
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if (change == QGraphicsItem::ItemSceneChange)
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{
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mCloseSvgItem->setParentItem(this);
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mResizeSvgItem->setParentItem(this);
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}
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return QGraphicsRectItem::itemChange(change, value);
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}
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void UBGraphicsCompass::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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if (UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Selector &&
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UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Play)
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return;
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bool closing = false;
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if (resizeButtonRect().contains(event->pos()))
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{
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mResizing = true;
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mRotating = false;
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event->accept();
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qDebug() << "resizing";
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}
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else if (hingeRect().contains(event->pos()))
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{
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mRotating = true;
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mResizing = false;
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event->accept();
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qDebug() << "hinge";
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}
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else if (!closeButtonRect().contains(event->pos()))
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{
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qDebug() << "the rest";
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mDrawing = event->pos().x() > rect().right() - sPencilLength - sPencilBaseLength;
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if (mDrawing)
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{
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qDebug() << "drawing";
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mSpanAngleInDegrees = 0;
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mSceneArcStartPoint = mapToScene(pencilPosition());
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scene()->initStroke();
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scene()->moveTo(mSceneArcStartPoint);
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}
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QGraphicsRectItem::mousePressEvent(event);
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}
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else
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closing = true;
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mResizeSvgItem->setVisible(mShowButtons && mResizing);
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mCloseSvgItem->setVisible(mShowButtons && closing);
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}
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void UBGraphicsCompass::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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if (UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Selector &&
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UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Play)
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return;
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if (!mResizing && !mRotating && !mDrawing)
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{
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QGraphicsRectItem::mouseMoveEvent(event);
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mDrewCenterCross = false;
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}
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else
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{
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if (mResizing)
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{
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QPointF delta = event->pos() - event->lastPos();
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if (rect().width() + delta.x() < sMinRadius)
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delta.setX(sMinRadius - rect().width());
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setRect(QRectF(rect().topLeft(), QSizeF(rect().width() + delta.x(), rect().height())));
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}
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else
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{
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QLineF currentLine(needlePosition(), event->pos());
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QLineF lastLine(needlePosition(), event->lastPos());
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qreal deltaAngle = currentLine.angleTo(lastLine);
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if (deltaAngle > 180)
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deltaAngle -= 360;
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else if (deltaAngle < -180)
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deltaAngle += 360;
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rotateAroundNeedle(deltaAngle);
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if (mDrawing)
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{
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mSpanAngleInDegrees += deltaAngle;
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if (mSpanAngleInDegrees >= 1080)
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mSpanAngleInDegrees -= 360;
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else if (mSpanAngleInDegrees < -1080)
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mSpanAngleInDegrees += 360;
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drawArc();
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}
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}
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event->accept();
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}
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}
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void UBGraphicsCompass::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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if (UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Selector &&
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UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Play)
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return;
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if (mResizing)
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{
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event->accept();
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}
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else if (mRotating)
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{
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updateResizeCursor();
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updateDrawCursor();
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event->accept();
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}
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else if (mDrawing)
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{
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updateResizeCursor();
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updateDrawCursor();
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event->accept();
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}
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else if (closeButtonRect().contains(event->pos()))
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{
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hide();
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event->accept();
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}
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else
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{
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QGraphicsRectItem::mouseReleaseEvent(event);
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}
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mRotating = false;
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mResizing = false;
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mDrawing = false;
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if (scene())
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scene()->setModified(true);
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}
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void UBGraphicsCompass::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
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{
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if (UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Selector &&
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UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Play)
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return;
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mOuterCursor = cursor();
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mShowButtons = shape().contains(event->pos());
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mCloseSvgItem->setParentItem(this);
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mResizeSvgItem->setParentItem(this);
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mCloseSvgItem->setVisible(mShowButtons);
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if (mShowButtons)
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{
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if (hingeRect().contains(event->pos()))
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setCursor(rotateCursor());
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else if (event->pos().x() > rect().right() - sPencilLength - sPencilBaseLength)
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setCursor(drawCursor());
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else if (resizeButtonRect().contains(event->pos()))
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setCursor(resizeCursor());
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else if (closeButtonRect().contains(event->pos()))
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setCursor(closeCursor());
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else
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setCursor(moveCursor());
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}
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event->accept();
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update();
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}
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void UBGraphicsCompass::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
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{
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if (UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Selector &&
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UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Play)
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return;
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mShowButtons = false;
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mCloseSvgItem->setVisible(mShowButtons);
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mResizeSvgItem->setVisible(mShowButtons);
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unsetCursor();
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event->accept();
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update();
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}
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void UBGraphicsCompass::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
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{
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if (UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Selector &&
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UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Play)
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return;
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mShowButtons = shape().contains(event->pos());
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mCloseSvgItem->setVisible(mShowButtons);
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mResizeSvgItem->setVisible(mShowButtons);
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if (mShowButtons)
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{
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if (hingeRect().contains(event->pos()))
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setCursor(rotateCursor());
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else if (event->pos().x() > rect().right() - sPencilLength - sPencilBaseLength)
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setCursor(drawCursor());
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else if (resizeButtonRect().contains(event->pos()))
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setCursor(resizeCursor());
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else if (closeButtonRect().contains(event->pos()))
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setCursor(closeCursor());
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else
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setCursor(moveCursor());
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}
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else
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{
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setCursor(mOuterCursor);
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}
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event->accept();
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update();
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}
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void UBGraphicsCompass::paintAngleDisplay(QPainter *painter)
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{
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qreal angle = angleInDegrees();
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qreal angleValue = mDrawing ? - mSpanAngleInDegrees : angle;
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QString angleText = QString("%1").arg(angleValue, 0, 'f', 1) + "°";
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painter->save();
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painter->setFont(font());
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QFontMetricsF fm(painter->font());
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painter->translate(hingeRect().center());
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painter->rotate(angle);
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painter->drawText(
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QRectF(
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- fm.width(angleText) / 2,
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- fm.height() / 2,
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fm.width(angleText),
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fm.height()),
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Qt::AlignTop,
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angleText);
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painter->restore();
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}
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void UBGraphicsCompass::paintRadiusDisplay(QPainter *painter)
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{
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qreal radiusInCentimeters = rect().width() / (mPixelsPerMillimeter * 10);
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QString format = rect().width() >= sDisplayRadiusUnitMinLength ? "%1 cm" : "%1";
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QString radiusText = QString(format).arg(radiusInCentimeters, 0, 'f', 1);
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bool onPencilArm = rect().width() > sDisplayRadiusOnPencilArmMinLength;
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painter->save();
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painter->setFont(font());
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QFontMetricsF fm(painter->font());
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QPointF textCenter;
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if (onPencilArm)
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textCenter = QPointF(rect().right() - sPencilBaseLength - sPencilLength - fm.width(radiusText) / 2 - 24 - 8, rect().center().y());
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else
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textCenter = QPointF((rect().left() + sNeedleLength + sNeedleBaseLength + hingeRect().left()) / 2, rect().center().y());
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painter->translate(textCenter);
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qreal angle = angleInDegrees();
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if (angle > 180)
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angle -= 360;
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else if (angle < -180)
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angle += 360;
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if (angle <= -90 || angle > 90)
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painter->rotate(180);
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painter->drawText(
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QRectF(
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- fm.width(radiusText) / 2,
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- rect().height() / 2,
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fm.width(radiusText),
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rect().height()),
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Qt::AlignVCenter,
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radiusText);
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painter->restore();
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}
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QCursor UBGraphicsCompass::moveCursor() const
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{
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return Qt::SizeAllCursor;
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}
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QCursor UBGraphicsCompass::resizeCursor() const
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{
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return mResizeCursor;
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}
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QCursor UBGraphicsCompass::rotateCursor() const
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{
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return UBResources::resources()->rotateCursor;
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}
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QCursor UBGraphicsCompass::closeCursor() const
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{
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return Qt::ArrowCursor;
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}
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QCursor UBGraphicsCompass::drawCursor() const
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{
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return mDrawCursor;
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}
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QRectF UBGraphicsCompass::hingeRect() const
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{
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QRectF rotationRect(rect().width() / 2 - rect().height() / 2, 0, rect().height(), rect().height());
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rotationRect.translate(rect().topLeft());
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return rotationRect;
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}
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QRectF UBGraphicsCompass::closeButtonRect() const
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{
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QPixmap closePixmap(":/images/closeTool.svg");
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QSizeF closeRectSize(
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closePixmap.width() * mAntiScaleRatio,
|
|
closePixmap.height() * mAntiScaleRatio);
|
|
|
|
QPointF closeRectTopLeft(
|
|
sNeedleLength + sNeedleBaseLength + 4,
|
|
(rect().height() - closeRectSize.height()) / 2);
|
|
|
|
QRectF closeRect(closeRectTopLeft, closeRectSize);
|
|
closeRect.translate(rect().topLeft());
|
|
|
|
return closeRect;
|
|
}
|
|
|
|
QRectF UBGraphicsCompass::resizeButtonRect() const
|
|
{
|
|
QPixmap resizePixmap(":/images/resizeCompass.svg");
|
|
|
|
QSizeF resizeRectSize(
|
|
resizePixmap.width() * mAntiScaleRatio,
|
|
resizePixmap.height() * mAntiScaleRatio);
|
|
|
|
QPointF resizeRectTopLeft(
|
|
rect().width() - sPencilLength - sPencilBaseLength - resizeRectSize.width() - 4,
|
|
(rect().height() - resizeRectSize.height()) / 2);
|
|
|
|
QRectF resizeRect(resizeRectTopLeft, resizeRectSize);
|
|
resizeRect.translate(rect().topLeft());
|
|
|
|
return resizeRect;
|
|
}
|
|
|
|
void UBGraphicsCompass::rotateAroundNeedle(qreal angle)
|
|
{
|
|
QTransform transform;
|
|
transform.translate(needlePosition().x(), needlePosition().y());
|
|
transform.rotate(angle);
|
|
transform.translate(- needlePosition().x(), - needlePosition().y());
|
|
setTransform(transform, true);
|
|
}
|
|
|
|
void UBGraphicsCompass::drawArc()
|
|
{
|
|
if (!mDrewCenterCross)
|
|
{
|
|
paintCenterCross();
|
|
mDrewCenterCross = true;
|
|
scene()->moveTo(mSceneArcStartPoint);
|
|
}
|
|
QPointF sceneNeedlePosition = mapToScene(needlePosition());
|
|
qreal arcSpanAngle = mSpanAngleInDegrees;
|
|
if (arcSpanAngle > 360)
|
|
arcSpanAngle = 360;
|
|
else if (arcSpanAngle < -360)
|
|
arcSpanAngle = -360;
|
|
if (!mDrewCircle || (-360 != arcSpanAngle && 360 != arcSpanAngle))
|
|
{
|
|
mDrewCircle = (-360 == arcSpanAngle || 360 == arcSpanAngle);
|
|
scene()->drawArcTo(sceneNeedlePosition, arcSpanAngle);
|
|
}
|
|
}
|
|
|
|
void UBGraphicsCompass::updateResizeCursor()
|
|
{
|
|
QPixmap pix(":/images/cursors/resize.png");
|
|
qreal angle = angleInDegrees();
|
|
|
|
QTransform tr;
|
|
tr.rotate(- angle);
|
|
mResizeCursor = QCursor(pix.transformed(tr, Qt::SmoothTransformation), pix.width() / 2, pix.height() / 2);
|
|
}
|
|
|
|
void UBGraphicsCompass::updateDrawCursor()
|
|
{
|
|
QPixmap pix(":/images/cursors/drawCompass.png");
|
|
qreal angle = angleInDegrees();
|
|
|
|
QTransform tr;
|
|
tr.rotate(- angle);
|
|
mDrawCursor = QCursor(pix.transformed(tr, Qt::SmoothTransformation), pix.width() / 2, pix.height() / 2);
|
|
}
|
|
|
|
void UBGraphicsCompass::paintCenterCross()
|
|
{
|
|
QPointF needleCrossCenter = mapToScene(needlePosition());
|
|
scene()->moveTo(QPointF(needleCrossCenter.x() - 5, needleCrossCenter.y()));
|
|
scene()->drawLineTo(QPointF(needleCrossCenter.x() + 5, needleCrossCenter.y()), 1,
|
|
UBDrawingController::drawingController()->stylusTool() == UBStylusTool::Line);
|
|
scene()->moveTo(QPointF(needleCrossCenter.x(), needleCrossCenter.y() - 5));
|
|
scene()->drawLineTo(QPointF(needleCrossCenter.x(), needleCrossCenter.y() + 5), 1,
|
|
UBDrawingController::drawingController()->stylusTool() == UBStylusTool::Line);
|
|
}
|
|
|
|
QPointF UBGraphicsCompass::needlePosition() const
|
|
{
|
|
return QPointF(rect().x(), rect().y() + rect().height() / 2);
|
|
}
|
|
|
|
QPointF UBGraphicsCompass::pencilPosition() const
|
|
{
|
|
return QPointF(rect().right(), rect().center().y());
|
|
}
|
|
|
|
QPainterPath UBGraphicsCompass::shape() const
|
|
{
|
|
QPainterPath path = needleShape();
|
|
path = path.united(needleBaseShape());
|
|
path = path.united(needleArmShape());
|
|
path.addRect(hingeRect());
|
|
path = path.united(pencilArmShape());
|
|
path = path.united(pencilBaseShape());
|
|
path = path.united(pencilShape());
|
|
return path;
|
|
}
|
|
|
|
QPainterPath UBGraphicsCompass::needleShape() const
|
|
{
|
|
QPainterPath path;
|
|
path.moveTo(rect().left(), rect().center().y());
|
|
path.lineTo(rect().left() + sNeedleLength, rect().center().y() - 2);
|
|
path.lineTo(rect().left() + sNeedleLength, rect().center().y() + 2);
|
|
path.closeSubpath();
|
|
return path;
|
|
}
|
|
|
|
QPainterPath UBGraphicsCompass::needleBaseShape() const
|
|
{
|
|
QPainterPath path;
|
|
path.moveTo(rect().left() + sNeedleLength, rect().center().y() - 4);
|
|
path.arcTo(
|
|
rect().left() + sNeedleLength,
|
|
rect().center().y() - 8,
|
|
8, 8,
|
|
180, -90);
|
|
path.lineTo(rect().left() + sNeedleLength + sNeedleBaseLength, rect().center().y() - 8);
|
|
path.lineTo(rect().left() + sNeedleLength + sNeedleBaseLength, rect().center().y() + 8);
|
|
path.lineTo(rect().left() + sNeedleLength + 4, rect().center().y() + 8);
|
|
path.arcTo(
|
|
rect().left() + sNeedleLength,
|
|
rect().center().y(),
|
|
8, 8,
|
|
-90, -90);
|
|
path.closeSubpath();
|
|
|
|
return path;
|
|
}
|
|
|
|
QPainterPath UBGraphicsCompass::needleArmShape() const
|
|
{
|
|
QPainterPath path;
|
|
path.moveTo(rect().left() + sNeedleLength + sNeedleBaseLength, rect().center().y() - 8);
|
|
path.arcTo(
|
|
rect().left() + sNeedleLength + sNeedleBaseLength,
|
|
rect().center().y() - 12,
|
|
8, 8,
|
|
180, -90);
|
|
path.lineTo(hingeRect().left(), rect().center().y() - 16);
|
|
path.lineTo(hingeRect().left(), rect().center().y() + 16);
|
|
path.lineTo(rect().left() + sNeedleLength + sNeedleBaseLength + 4, rect().center().y() + 12);
|
|
path.arcTo(
|
|
rect().left() + sNeedleLength + sNeedleBaseLength,
|
|
rect().center().y() + 4,
|
|
8, 8,
|
|
-90, -90);
|
|
path.closeSubpath();
|
|
return path;
|
|
}
|
|
|
|
QPainterPath UBGraphicsCompass::hingeShape() const
|
|
{
|
|
QPainterPath path;
|
|
path.moveTo(hingeRect().left() + 4, hingeRect().top());
|
|
path.lineTo(hingeRect().right() - 4, hingeRect().top());
|
|
path.arcTo(
|
|
hingeRect().right() - 8,
|
|
hingeRect().top(),
|
|
8, 8,
|
|
90, -90);
|
|
path.lineTo(hingeRect().right(), hingeRect().bottom() - 4);
|
|
path.arcTo(
|
|
hingeRect().right() - 8,
|
|
hingeRect().bottom() - 8,
|
|
8, 8,
|
|
0, -90);
|
|
path.lineTo(hingeRect().left() + 4, hingeRect().bottom());
|
|
path.arcTo(
|
|
hingeRect().left(),
|
|
hingeRect().bottom() - 8,
|
|
8, 8,
|
|
-90, -90);
|
|
path.lineTo(hingeRect().left(), hingeRect().top() + 4);
|
|
path.arcTo(
|
|
hingeRect().left(),
|
|
hingeRect().top(),
|
|
8, 8,
|
|
-180, -90);
|
|
path.closeSubpath();
|
|
return path;
|
|
}
|
|
|
|
QPainterPath UBGraphicsCompass::pencilShape() const
|
|
{
|
|
int penWidthIndex = UBSettings::settings()->penWidthIndex();
|
|
int logicalCompassPencilWidth = penWidthIndex > 1 ? 8 : (penWidthIndex > 0 ? 4 : 2);
|
|
QPainterPath path;
|
|
path.moveTo(rect().right() - sPencilLength, rect().center().y() - logicalCompassPencilWidth / 2);
|
|
path.lineTo(rect().right() - logicalCompassPencilWidth / 2, rect().center().y() - logicalCompassPencilWidth / 2);
|
|
QRectF tipRect(rect().right() - logicalCompassPencilWidth, rect().center().y() - logicalCompassPencilWidth / 2, logicalCompassPencilWidth, logicalCompassPencilWidth);
|
|
path.arcTo(tipRect, 90, -180);
|
|
path.lineTo(rect().right() - sPencilLength, rect().center().y() + logicalCompassPencilWidth / 2);
|
|
path.closeSubpath();
|
|
return path;
|
|
}
|
|
|
|
QPainterPath UBGraphicsCompass::pencilBaseShape() const
|
|
{
|
|
QPainterPath path;
|
|
path.moveTo(rect().right() - sPencilLength - sPencilBaseLength, rect().center().y() - 8);
|
|
path.lineTo(rect().right() - sPencilLength - 4, rect().center().y() - 8);
|
|
path.arcTo(
|
|
rect().right() - sPencilLength - 8, rect().center().y() - 8,
|
|
8, 8,
|
|
90, -90);
|
|
path.lineTo(rect().right() - sPencilLength, rect().center().y() + 4);
|
|
path.arcTo(
|
|
rect().right() - sPencilLength - 8, rect().center().y(),
|
|
8, 8,
|
|
0, -90);
|
|
path.lineTo(rect().right() - sPencilLength - sPencilBaseLength, rect().center().y() + 8);
|
|
path.closeSubpath();
|
|
|
|
return path;
|
|
}
|
|
|
|
QPainterPath UBGraphicsCompass::pencilArmShape() const
|
|
{
|
|
QPainterPath path;
|
|
path.moveTo(hingeRect().right(), rect().center().y() - 16);
|
|
path.lineTo(rect().right() - sPencilLength - sPencilBaseLength - 4, rect().center().y() - 12);
|
|
path.arcTo(
|
|
rect().right() - sPencilLength - sPencilBaseLength - 8, rect().center().y() - 12,
|
|
8, 8,
|
|
90, -90);
|
|
path.lineTo(rect().right() - sPencilLength - sPencilBaseLength, rect().center().y() + 8);
|
|
path.arcTo(
|
|
rect().right() - sPencilLength - sPencilBaseLength - 8, rect().center().y() + 4,
|
|
8, 8,
|
|
0, -90);
|
|
path.lineTo(hingeRect().right(), rect().center().y() + 16);
|
|
path.closeSubpath();
|
|
return path;
|
|
}
|
|
|
|
UBGraphicsScene* UBGraphicsCompass::scene() const
|
|
{
|
|
return static_cast<UBGraphicsScene*>(QGraphicsRectItem::scene());
|
|
}
|
|
|
|
QColor UBGraphicsCompass::drawColor() const
|
|
{
|
|
return scene()->isDarkBackground() ? sDarkBackgroundDrawColor : sLightBackgroundDrawColor;
|
|
}
|
|
|
|
QColor UBGraphicsCompass::middleFillColor() const
|
|
{
|
|
return scene()->isDarkBackground() ? sDarkBackgroundMiddleFillColor : sLightBackgroundMiddleFillColor;
|
|
}
|
|
|
|
QColor UBGraphicsCompass::edgeFillColor() const
|
|
{
|
|
return scene()->isDarkBackground() ? sDarkBackgroundEdgeFillColor : sLightBackgroundEdgeFillColor;
|
|
}
|
|
|
|
QFont UBGraphicsCompass::font() const
|
|
{
|
|
QFont font("Arial");
|
|
font.setPixelSize(16);
|
|
font.setBold(true);
|
|
return font;
|
|
}
|
|
|
|
qreal UBGraphicsCompass::angleInDegrees() const
|
|
{
|
|
QRectF itemRect = boundingRect();
|
|
QTransform itemTransform = sceneTransform();
|
|
QPointF topLeft = itemTransform.map(itemRect.topLeft());
|
|
QPointF topRight = itemTransform.map(itemRect.topRight());
|
|
QLineF topLine(topLeft, topRight);
|
|
return topLine.angle();
|
|
}
|
|
|
|
void UBGraphicsCompass::penColorChanged()
|
|
{
|
|
QRect pencilRect(rect().right() - sPencilLength, rect().top(), sPencilLength, rect().height());
|
|
update(pencilRect);
|
|
}
|
|
|
|
void UBGraphicsCompass::lineWidthChanged()
|
|
{
|
|
QRect pencilRect(rect().right() - sPencilLength, rect().top(), sPencilLength, rect().height());
|
|
update(pencilRect);
|
|
}
|
|
|