C++ KoPathShape::setShapeId方法代码示例

void KisShapeSelectionTest::testAddChild()
{
    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
    KisImageSP image = new KisImage(new KisUndoAdapter(0), 300, 300, cs, "test");

    KisSelectionSP selection = new KisSelection();
    QVERIFY(selection->hasPixelSelection() == false);
    QVERIFY(selection->hasShapeSelection() == false);
    KisPixelSelectionSP pixelSelection = selection->getOrCreatePixelSelection();

    pixelSelection->select(QRect(0, 0, 100, 100));
    // Selection is using the pixel selection as datamanager so no projection update
    // needed
    QCOMPARE(pixelSelection->selected(25, 25), MAX_SELECTED);
    QCOMPARE(selection->selectedExactRect(), QRect(0, 0, 100, 100));

    QRect rect(50, 50, 100, 100);
    QTransform matrix;
    matrix.scale(1 / image->xRes(), 1 / image->yRes());
    rect = matrix.mapRect(rect);

    KoPathShape* shape = new KoPathShape();
    shape->setShapeId(KoPathShapeId);
    shape->moveTo(rect.topLeft());
    shape->lineTo(rect.topLeft() + QPointF(rect.width(), 0));
    shape->lineTo(rect.bottomRight());
    shape->lineTo(rect.topLeft() + QPointF(0, rect.height()));
    shape->close();
    shape->normalize();

    KisShapeSelection * shapeSelection = new KisShapeSelection(image, selection);
    selection->setShapeSelection(shapeSelection);
    shapeSelection->addShape(shape);

    QCOMPARE(pixelSelection->selected(25, 25), MAX_SELECTED);
    QCOMPARE(selection->selectedExactRect(), QRect(0, 0, 150, 150));

    selection->updateProjection();
}

KoShape* KisShapeToolHelper::createRectangleShape(const QRectF& rect)
{
    KoShape* shape;
    KoShapeFactoryBase *rectFactory = KoShapeRegistry::instance()->value("RectangleShape");
    if (rectFactory) {
        shape = rectFactory->createDefaultShape();
        shape->setSize(rect.size());
        shape->setPosition(rect.topLeft());
    } else {
        //Fallback if the plugin wasn't found
        KoPathShape* path = new KoPathShape();
        path->setShapeId(KoPathShapeId);
        path->moveTo(rect.topLeft());
        path->lineTo(rect.topLeft() + QPointF(rect.width(), 0));
        path->lineTo(rect.bottomRight());
        path->lineTo(rect.topLeft() + QPointF(0, rect.height()));
        path->close();
        path->normalize();
        shape = path;
    }
    return shape;
}

KoShape* KisShapeToolHelper::createEllipseShape(const QRectF& rect)
{
    KoShape* shape;
    KoShapeFactoryBase *rectFactory = KoShapeRegistry::instance()->value("EllipseShape");
    if (rectFactory) {
        shape = rectFactory->createDefaultShape();
        shape->setSize(rect.size());
        shape->setPosition(rect.topLeft());
    } else {
        //Fallback if the plugin wasn't found
        KoPathShape* path = new KoPathShape();
        path->setShapeId(KoPathShapeId);

        QPointF rightMiddle = QPointF(rect.left() + rect.width(), rect.top() + rect.height() / 2);
        path->moveTo(rightMiddle);
        path->arcTo(rect.width() / 2, rect.height() / 2, 0, 360.0);
        path->close();
        path->normalize();
        shape = path;
    }
    return shape;
}

void KoCreatePathTool::mousePressEvent(KoPointerEvent *event)
{
    Q_D(KoCreatePathTool);

    //Right click removes last point
    if (event->button() == Qt::RightButton) {
      removeLastPoint();
      return;
    }

    const bool isOverFirstPoint = d->shape &&
        handleGrabRect(d->firstPoint->point()).contains(event->point);
    bool haveCloseModifier = (listeningToModifiers() && (event->modifiers() & Qt::ShiftModifier));

    if ((event->button() == Qt::LeftButton) && haveCloseModifier && !isOverFirstPoint) {
        endPathWithoutLastPoint();
        return;
    }

    d->finishAfterThisPoint = false;

    if (pathStarted()) {
        if (isOverFirstPoint) {
            d->activePoint->setPoint(d->firstPoint->point());
            canvas()->updateCanvas(d->shape->boundingRect());
            canvas()->updateCanvas(canvas()->snapGuide()->boundingRect());

            if (haveCloseModifier) {
                d->shape->closeMerge();
                // we are closing the path, so reset the existing start path point
                d->existingStartPoint = 0;
                // finish path
                endPath();
            } else {
                // the path shape will get closed when the user releases
                // the mouse button
                d->finishAfterThisPoint = true;
            }
        } else {
            canvas()->updateCanvas(canvas()->snapGuide()->boundingRect());

            QPointF point = canvas()->snapGuide()->snap(event->point, event->modifiers());

            // check whether we hit an start/end node of an existing path
            d->existingEndPoint = d->endPointAtPosition(point);
            if (d->existingEndPoint.isValid() && d->existingEndPoint != d->existingStartPoint) {
                point = d->existingEndPoint.path->shapeToDocument(d->existingEndPoint.point->point());
                d->activePoint->setPoint(point);
                // finish path
                endPath();
            } else {
                d->activePoint->setPoint(point);
                canvas()->updateCanvas(d->shape->boundingRect());
                canvas()->updateCanvas(canvas()->snapGuide()->boundingRect());
            }
        }
    } else {
        KoPathShape *pathShape = new KoPathShape();
        d->shape=pathShape;
        pathShape->setShapeId(KoPathShapeId);

        KoShapeStroke *stroke = new KoShapeStroke(canvas()->resourceManager()->activeStroke());
        stroke->setColor(canvas()->resourceManager()->foregroundColor().toQColor());

        pathShape->setStroke(stroke);
        canvas()->updateCanvas(canvas()->snapGuide()->boundingRect());
        QPointF point = canvas()->snapGuide()->snap(event->point, event->modifiers());

        // check whether we hit an start/end node of an existing path
        d->existingStartPoint = d->endPointAtPosition(point);
        if (d->existingStartPoint.isValid()) {
            point = d->existingStartPoint.path->shapeToDocument(d->existingStartPoint.point->point());
        }
        d->activePoint = pathShape->moveTo(point);
        d->firstPoint = d->activePoint;
        canvas()->updateCanvas(handlePaintRect(point));
        canvas()->updateCanvas(canvas()->snapGuide()->boundingRect());

        canvas()->snapGuide()->setEditedShape(pathShape);

        d->angleSnapStrategy = new AngleSnapStrategy(d->angleSnappingDelta, d->angleSnapStatus);
        canvas()->snapGuide()->addCustomSnapStrategy(d->angleSnapStrategy);
    }

    if (d->angleSnapStrategy)
        d->angleSnapStrategy->setStartPoint(d->activePoint->point());
}