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OpenBoard/src/tools/UBAbstractDrawRuler.cpp

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4.1 KiB

#include "UBAbstractDrawRuler.h"
#include <QtSvg>
#include "core/UB.h"
#include "gui/UBResources.h"
#include "domain/UBGraphicsScene.h"
#include "board/UBDrawingController.h"
#include "core/UBApplication.h"
#include "board/UBBoardController.h"
#include "core/memcheck.h"
const QColor UBAbstractDrawRuler::sLightBackgroundMiddleFillColor = QColor(0x72, 0x72, 0x72, sFillTransparency);
const QColor UBAbstractDrawRuler::sLightBackgroundEdgeFillColor = QColor(0xc3, 0xc3, 0xc3, sFillTransparency);
const QColor UBAbstractDrawRuler::sLightBackgroundDrawColor = QColor(0x33, 0x33, 0x33, sDrawTransparency);
const QColor UBAbstractDrawRuler::sDarkBackgroundMiddleFillColor = QColor(0xb5, 0xb5, 0xb5, sFillTransparency);
const QColor UBAbstractDrawRuler::sDarkBackgroundEdgeFillColor = QColor(0xdd, 0xdd, 0xdd, sFillTransparency);
const QColor UBAbstractDrawRuler::sDarkBackgroundDrawColor = QColor(0xff, 0xff, 0xff, sDrawTransparency);
UBAbstractDrawRuler::UBAbstractDrawRuler()
: mResizing(false)
, mRotating(false)
, mShowButtons(false)
, mAntiScaleRatio(1.0)
{}
void UBAbstractDrawRuler::create(QGraphicsItem& item)
{
item.setFlag(QGraphicsItem::ItemIsMovable, true);
item.setFlag(QGraphicsItem::ItemIsSelectable, true);
item.setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
item.setAcceptsHoverEvents(true);
mCloseSvgItem = new QGraphicsSvgItem(":/images/closeTool.svg", &item);
mCloseSvgItem->setVisible(false);
mCloseSvgItem->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Control));
mRotateSvgItem = new QGraphicsSvgItem(":/images/rotateTool.svg", &item);
mRotateSvgItem->setVisible(false);
mRotateSvgItem->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Control));
updateResizeCursor(item);
}
UBAbstractDrawRuler::~UBAbstractDrawRuler()
{
}
void UBAbstractDrawRuler::updateResizeCursor(QGraphicsItem &item)
{
QPixmap pix(":/images/cursors/resize.png");
QTransform itemTransform = item.sceneTransform();
QRectF itemRect = item.boundingRect();
QPointF topLeft = itemTransform.map(itemRect.topLeft());
QPointF topRight = itemTransform.map(itemRect.topRight());
QLineF topLine(topLeft, topRight);
qreal angle = topLine.angle();
QTransform tr;
tr.rotate(- angle);
QCursor resizeCursor = QCursor(pix.transformed(tr, Qt::SmoothTransformation), pix.width() / 2, pix.height() / 2);
mResizeCursor = resizeCursor;
}
QCursor UBAbstractDrawRuler::moveCursor() const
{
return Qt::SizeAllCursor;
}
QCursor UBAbstractDrawRuler::resizeCursor() const
{
return mResizeCursor;
}
QCursor UBAbstractDrawRuler::rotateCursor() const
{
return UBResources::resources()->rotateCursor;
}
QCursor UBAbstractDrawRuler::closeCursor() const
{
return Qt::ArrowCursor;
}
QCursor UBAbstractDrawRuler::drawRulerLineCursor() const
{
return UBResources::resources()->drawLineRulerCursor;
}
QColor UBAbstractDrawRuler::drawColor() const
{
return scene()->isDarkBackground() ? sDarkBackgroundDrawColor : sLightBackgroundDrawColor;
}
QColor UBAbstractDrawRuler::middleFillColor() const
{
return scene()->isDarkBackground() ? sDarkBackgroundMiddleFillColor : sLightBackgroundMiddleFillColor;
}
QColor UBAbstractDrawRuler::edgeFillColor() const
{
return scene()->isDarkBackground() ? sDarkBackgroundEdgeFillColor : sLightBackgroundEdgeFillColor;
}
QFont UBAbstractDrawRuler::font() const
{
QFont font("Arial");
font.setPixelSize(16);
return font;
}
void UBAbstractDrawRuler::StartLine(const QPointF& position, qreal width)
{}
void UBAbstractDrawRuler::DrawLine(const QPointF& position, qreal width)
{}
void UBAbstractDrawRuler::EndLine()
{}
void UBAbstractDrawRuler::paint()
{
mAntiScaleRatio = 1 / (UBApplication::boardController->systemScaleFactor() * UBApplication::boardController->currentZoom());
QTransform antiScaleTransform;
antiScaleTransform.scale(mAntiScaleRatio, mAntiScaleRatio);
mCloseSvgItem->setTransform(antiScaleTransform);
mCloseSvgItem->setPos(closeButtonRect().topLeft());
mRotateSvgItem->setTransform(antiScaleTransform);
mRotateSvgItem->setPos(rotateButtonRect().topLeft());
}