#include <KarbonCalligraphicShape.h>

Inheritance diagram for KarbonCalligraphicShape:

Classes
struct	Private

Public Member Functions
void	appendPoint (const QPointF &p1, qreal angle, qreal width)

void	appendPointToPath (const KarbonCalligraphicPoint &p)

KoShape *	cloneShape () const override
	creates a deep copy of the shape or shape's subtree

	KarbonCalligraphicShape (qreal caps=0.0)

const QRectF	lastPieceBoundingRect ()

QPointF	normalize () override
	Normalizes the path data.

QString	pathShapeId () const override

void	setSize (const QSizeF &newSize) override
	Resize the shape.

void	simplifyGuidePath ()

void	simplifyPath ()

	~KarbonCalligraphicShape () override

Public Member Functions inherited from KoParameterShape
int	handleCount () const
	return the number of handles set on the shape

int	handleIdAt (const QRectF &rect) const
	Get the id of the handle within the given rect.

QPointF	handlePosition (int handleId) const
	Get the handle position.

bool	isParametricShape () const
	Check if object is a parametric shape.

	KoParameterShape ()

void	moveHandle (int handleId, const QPointF &point, Qt::KeyboardModifiers modifiers=Qt::NoModifier)
	Move handle to point.

QPointF	normalize () override
	Normalizes the path data.

void	paintHandle (KisHandlePainterHelper &handlesHelper, int handleId)
	Paint the given handles.

void	paintHandles (KisHandlePainterHelper &handlesHelper)
	Paint the handles.

	Private ()

	Private (const KoParameterShape::Private &rhs)

void	setParametricShape (bool parametric)
	Set if the shape can be modified using parameters.

void	setSize (const QSizeF &size) override
	reimplemented from KoShape

	~KoParameterShape () override

virtual	~Private ()=default

Public Member Functions inherited from KoPathShape
bool	addSubpath (KoSubpath *subpath, int subpathIndex)
	Adds a subpath at the given index to the path.

KoPathPoint *	arcTo (qreal rx, qreal ry, qreal startAngle, qreal sweepAngle)
	Add an arc.

bool	autoFillMarkers () const

QRectF	boundingRect () const override
	reimplemented

bool	breakAfter (const KoPathPointIndex &pointIndex)
	Breaks the path after the point index.

void	clear ()
	Removes all subpaths and their points from the path.

KoShape *	cloneShape () const override
	creates a deep copy of the shape or shape's subtree

void	close ()
	Closes the current subpath.

void	closeMerge ()
	Closes the current subpath.

KoPathPointIndex	closeSubpath (const KoPathPointIndex &pointIndex)
	Close a open subpath.

int	combine (KoPathShape *path)
	Combines two path shapes by appending the data of the specified path.

KoPathPoint *	curveTo (const QPointF &c, const QPointF &p)
	Adds a new quadratic Bezier curve segment.

KoPathPoint *	curveTo (const QPointF &c1, const QPointF &c2, const QPointF &p)
	Adds a new cubic Bezier curve segment.

Qt::FillRule	fillRule () const
	Returns the fill rule for the path object.

bool	hasMarkers () const

bool	hitTest (const QPointF &position) const override
	reimplemented

bool	insertPoint (KoPathPoint *point, const KoPathPointIndex &pointIndex)
	Inserts a new point into the given subpath at the specified position.

bool	isClosedSubpath (int subpathIndex) const
	Checks if a subpath is closed.

bool	join (int subpathIndex)
	Joins the given subpath with the following one.

	KoPathShape ()
	constructor

KoPathPoint *	lineTo (const QPointF &p)
	Adds a new line segment.

void	loadNodeTypes (const QString &nodeTypes)
	Loads node types.

KoMarker *	marker (KoFlake::MarkerPosition pos) const

bool	moveSubpath (int oldSubpathIndex, int newSubpathIndex)
	Moves the position of a subpath within a path.

KoPathPoint *	moveTo (const QPointF &p)
	Starts a new Subpath.

QString	nodeTypes () const
	Saves the node types.

KoPathPointIndex	openSubpath (const KoPathPointIndex &pointIndex)
	Opens a closed subpath.

QPainterPath	outline () const override
	reimplemented

QRectF	outlineRect () const override
	reimplemented

void	paint (QPainter &painter) const override
	reimplemented

virtual void	paintPoints (KisHandlePainterHelper &handlesHelper)

KoPathPointIndex	pathPointIndex (const KoPathPoint *point) const
	Returns the path point index of a given path point.

QPainterPath	pathStroke (const QPen &pen) const

KoPathPoint *	pointByIndex (const KoPathPointIndex &pointIndex) const
	Returns the path point specified by a path point index.

int	pointCount () const
	Returns the number of points in the path.

QList< KoPathPoint * >	pointsAt (const QRectF &rect, const bool useControlPoints=false) const
	Returns the path points within the given rectangle.

void	recommendPointSelectionChange (const QList< KoPathPointIndex > &newSelection)

KoPathPoint *	removePoint (const KoPathPointIndex &pointIndex)
	Removes a point from the path.

KoSubpath *	removeSubpath (int subpathIndex)
	Removes subpath from the path.

bool	reverseSubpath (int subpathIndex)
	Reverse subpath.

KoPathSegment	segmentByIndex (const KoPathPointIndex &pointIndex) const
	Returns the segment specified by a path point index.

QList< KoPathSegment >	segmentsAt (const QRectF &rect) const
	Returns the list of path segments within the given rectangle.

bool	separate (QList< KoPathShape * > &separatedPaths)
	Creates separate path shapes, one for each existing subpath.

void	setAutoFillMarkers (bool value)

void	setFillRule (Qt::FillRule fillRule)
	Sets the fill rule to be used for painting the background.

void	setMarker (KoMarker *marker, KoFlake::MarkerPosition pos)

void	setSize (const QSizeF &size) override

QSizeF	size () const override
	reimplemented

int	subpathCount () const
	Returns the number of subpaths in the path.

int	subpathPointCount (int subpathIndex) const
	Returns the number of points in a subpath.

QString	toString (const QTransform &matrix=QTransform()) const
	Returns a odf/svg string representation of the path data with the given matrix applied.

	~KoPathShape () override

Public Member Functions inherited from KoTosContainer
KoShape *	createTextShape (KoDocumentResourceManager *documentResources=0)

	KoTosContainer ()

virtual bool	loadText (const QDomElement &element)

void	paintComponent (QPainter &painter) const override
	Paint the component Implement this method to allow the shape to paint itself, just like the KoShape::paint() method does.

ResizeBehavior	resizeBehavior () const

void	setPlainText (const QString &text)

void	setResizeBehavior (ResizeBehavior resizeBehavior)

void	setRunThrough (short int runThrough) override

void	setTextAlignment (Qt::Alignment alignment)

Qt::Alignment	textAlignment () const

	~KoTosContainer () override

Public Member Functions inherited from KoShapeContainer
void	addShape (KoShape *shape)

bool	inheritsTransform (const KoShape *shape) const

bool	isClipped (const KoShape *child) const

	KoShapeContainer (KoShapeContainerModel *model=0)

KoShapeContainerModel *	model () const

void	paint (QPainter &painter) const override
	reimplemented

	Private (const Private &rhs, KoShapeContainer *q)

	Private (KoShapeContainer *q)

void	removeShape (KoShape *shape)

void	setClipped (const KoShape *child, bool clipping)

void	setInheritsTransform (const KoShape *shape, bool inherit)

int	shapeCount () const

ShapeInterface *	shapeInterface ()

QList< KoShape * >	shapes () const

virtual void	update () const

void	update () const override
	reimplemented

	~KoShapeContainer () override

Public Member Functions inherited from KoShape
QRectF	absoluteOutlineRect () const

QPointF	absolutePosition (KoFlake::AnchorPosition anchor=KoFlake::Center) const

QTransform	absoluteTransformation () const

bool	addDependee (KoShape *shape)

QString	additionalAttribute (const QString &name) const

void	addShapeChangeListener (ShapeChangeListener *listener)

KoShapeAnchor *	anchor () const

void	applyAbsoluteTransformation (const QTransform &matrix)

void	applyTransformation (const QTransform &matrix)

virtual QSharedPointer< KoShapeBackground >	background () const

virtual ChildZOrderPolicy	childZOrderPolicy ()

KoClipMask *	clipMask () const
	Returns the currently set clip mask or 0 if there is no clip mask set.

KoClipPath *	clipPath () const
	Returns the currently set clip path or 0 if there is no clip path set.

KoShape *	cloneShapeAndBakeAbsoluteTransform () const
	creates a deep copy of the shape/shapes tree and bakes the absolute transform of `this` into the resulting shape.

void	copySettings (const KoShape *shape)

QList< KoShape * >	dependees () const
	Returns list of shapes depending on this shape.

QPointF	documentToShape (const QPointF &point) const
	Transforms point from document coordinates to shape coordinates.

QRectF	documentToShape (const QRectF &rect) const
	Transform rect from document coordinates to shape coordinates.

KoFilterEffectStack *	filterEffectStack () const

bool	hasAdditionalAttribute (const QString &name) const

bool	hasCommonParent (const KoShape *shape) const

bool	hasDependee (KoShape *shape) const
	Returns if the given shape is dependent on this shape.

virtual bool	hasTransparency () const

QString	hyperLink () const

bool	inheritBackground () const
	inheritBackground shows if the shape inherits background from its parent

bool	inheritPaintOrder () const
	inheritPaintOrder

bool	inheritsTransformFromAny (const QList< KoShape * > ancestorsInQuestion) const
	inheritsTransformFromAny checks if the shape inherits transformation from any of the shapes listed in `ancestorsInQuestion`. The inheritance is checked in recursive way.

bool	inheritStroke () const
	inheritStroke shows if the shape inherits the stroke from its parent

bool	isContentProtected () const

bool	isGeometryProtected () const

bool	isPrintable () const

bool	isSelectable () const

virtual bool	isShapeEditable (bool recursive=true) const
	checks recursively if the shape or one of its parents is not visible or locked

bool	isVisible (bool recursive=true) const

bool	keepAspectRatio () const

	KoShape ()
	Constructor.

qreal	minimumHeight () const

QString	name () const

void	notifyChanged ()

virtual void	paintMarkers (QPainter &painter) const
	paintStroke paints the shape's markers

virtual QVector< PaintOrder >	paintOrder () const
	paintOrder

virtual void	paintStroke (QPainter &painter) const
	paintStroke paints the shape's stroked outline

KoShapeContainer *	parent () const

QPointF	position () const
	Get the position of the shape in pt.

void	removeAdditionalAttribute (const QString &name)

void	removeAdditionalStyleAttribute (const char *name)

void	removeDependee (KoShape *shape)

void	removeShapeChangeListener (ShapeChangeListener *listener)

void	rotate (qreal angle)
	Rotate the shape (relative)

qreal	rotation () const

int	runThrough () const

void	scale (qreal sx, qreal sy)
	Scale the shape using the zero-point which is the top-left corner.

void	setAbsolutePosition (const QPointF &newPosition, KoFlake::AnchorPosition anchor=KoFlake::Center)

void	setAdditionalAttribute (const QString &name, const QString &value)

void	setAdditionalStyleAttribute (const char *name, const QString &value)

void	setAnchor (KoShapeAnchor *anchor)

virtual void	setBackground (QSharedPointer< KoShapeBackground > background)

void	setClipMask (KoClipMask *clipMask)
	Sets a new clip mask, removing the old one. The mask is owned by the shape.

void	setClipPath (KoClipPath *clipPath)
	Sets a new clip path, removing the old one.

void	setContentProtected (bool protect)

void	setFilterEffectStack (KoFilterEffectStack *filterEffectStack)
	Sets the new filter effect stack, removing the old one.

void	setGeometryProtected (bool on)

void	setHyperLink (const QString &hyperLink)

void	setInheritBackground (bool value)
	setInheritBackground marks a shape as inheriting the background from the parent shape. NOTE: The currently selected background is destroyed.

void	setInheritPaintOrder (bool value)
	setInheritPaintOrder set inherit paint order.

void	setInheritStroke (bool value)
	setInheritStroke marks a shape as inheriting the stroke from the parent shape. NOTE: The currently selected stroke is destroyed.

void	setKeepAspectRatio (bool keepAspect)

void	setMinimumHeight (qreal height)

void	setName (const QString &name)

virtual void	setPaintOrder (PaintOrder first, PaintOrder second)
	setPaintOrder set the paint order. As there's only three entries in any given paintorder, you only need to have the first and second entry to set it.

void	setParent (KoShapeContainer *parent)

virtual void	setPosition (const QPointF &position)
	Set the position of the shape in pt.

void	setPrintable (bool on)

virtual void	setResolution (qreal xRes, qreal yRes)

void	setSelectable (bool selectable)

void	setShadow (KoShapeShadow *shadow)
	Sets the new shadow, removing the old one.

void	setShapeId (const QString &id)

virtual void	setStroke (KoShapeStrokeModelSP stroke)

void	setTextRunAroundContour (TextRunAroundContour contour)

void	setTextRunAroundDistanceBottom (qreal distance)

void	setTextRunAroundDistanceLeft (qreal distance)

void	setTextRunAroundDistanceRight (qreal distance)

void	setTextRunAroundDistanceTop (qreal distance)

void	setTextRunAroundSide (TextRunAroundSide side, RunThroughLevel runThrough=Background)

void	setTextRunAroundThreshold (qreal threshold)

void	setToolDelegates (const QSet< KoShape * > &delegates)

void	setTransformation (const QTransform &matrix)

void	setTransparency (qreal transparency)

void	setUserData (KoShapeUserData *userData)

void	setVisible (bool on)

void	setZIndex (qint16 zIndex)

KoShapeShadow *	shadow () const
	Returns the currently set shadow or 0 if there is no shadow set.

virtual QPainterPath	shadowOutline () const

QString	shapeId () const

QPointF	shapeToDocument (const QPointF &point) const
	Transforms point from shape coordinates to document coordinates.

QRectF	shapeToDocument (const QRectF &rect) const
	Transforms rect from shape coordinates to document coordinates.

void	shear (qreal sx, qreal sy)
	Shear the shape The shape will be sheared using the zero-point which is the top-left corner.

virtual KoSnapData	snapData () const
	Returns additional snap data the shape wants to have snapping to.

virtual KoShapeStrokeModelSP	stroke () const

KoInsets	strokeInsets () const

TextRunAroundContour	textRunAroundContour () const

qreal	textRunAroundDistanceBottom () const

qreal	textRunAroundDistanceLeft () const

qreal	textRunAroundDistanceRight () const

qreal	textRunAroundDistanceTop () const

TextRunAroundSide	textRunAroundSide () const

qreal	textRunAroundThreshold () const

QSet< KoShape * >	toolDelegates () const

QTransform	transformation () const
	Returns the shapes local transformation matrix.

qreal	transparency (bool recursive=false) const

virtual void	updateAbsolute (const QRectF &rect) const

KoShapeUserData *	userData () const

virtual void	waitUntilReady (bool asynchronous=true) const

qint16	zIndex () const

virtual	~KoShape ()
	Destructor.

Protected Member Functions
void	moveHandleAction (int handleId, const QPointF &point, Qt::KeyboardModifiers modifiers=Qt::NoModifier) override
	Updates the internal state of a KoParameterShape.

void	updatePath (const QSizeF &size) override
	Update the path of the parameter shape.

Protected Member Functions inherited from KoParameterShape
QList< QPointF >	handles () const

	KoParameterShape (const KoParameterShape &rhs)
	constructor

void	setHandles (const QList< QPointF > &handles)

Protected Member Functions inherited from KoPathShape
int	arcToCurve (qreal rx, qreal ry, qreal startAngle, qreal sweepAngle, const QPointF &offset, QPointF *curvePoints) const
	Add an arc.

	KoPathShape (const KoPathShape &rhs)

void	map (const QTransform &matrix)

void	notifyPointsChanged ()

QTransform	resizeMatrix (const QSizeF &newSize) const

KoSubpathList &	subpaths ()
	XXX: refactor this using setter?

const KoSubpathList &	subpaths () const

Protected Member Functions inherited from KoTosContainer
	KoTosContainer (const KoTosContainer &rhs)

QRectF	preferredTextRect () const

void	setPreferredTextRect (const QRectF &rect)

void	shapeChanged (ChangeType type, KoShape *shape=0) override

KoShape *	textShape () const

Protected Member Functions inherited from KoShapeContainer
	KoShapeContainer (const KoShapeContainer &rhs)

void	setModel (KoShapeContainerModel *model)

void	setModelInit (KoShapeContainerModel *model)

virtual void	shapeCountChanged ()

Protected Member Functions inherited from KoShape
	KoShape (const KoShape &rhs)

QList< ShapeChangeListener * >	listeners () const

void	setSizeImpl (const QSizeF &size) const

void	shapeChangedPriv (KoShape::ChangeType type)

QTransform	transform () const
	return the current matrix that contains the rotation/scale/position of this shape

Private Member Functions
void	addCap (int index1, int index2, int pointIndex, bool inverted=false)

void	appendPointsToPathAux (const QPointF &p1, const QPointF &p2)

bool	flipDetected (const QPointF &p1, const QPointF &p2)

	KarbonCalligraphicShape (const KarbonCalligraphicShape &rhs)

void	smoothLastPoints ()

void	smoothPoint (const int index)

Static Private Member Functions
static int	ccw (const QPointF &p1, const QPointF &p2, const QPointF &p3)

Private Attributes
QSharedDataPointer< Private >	s

Additional Inherited Members
Public Types inherited from KoTosContainer
enum	ResizeBehavior { TextFollowsSize , FollowTextSize , IndependentSizes , TextFollowsPreferredTextRect }
	different kinds of resizing behavior to determine how to treat text overflow More...

Public Types inherited from KoShape
enum	ChangeType { PositionChanged , RotationChanged , ScaleChanged , ShearChanged , SizeChanged , GenericMatrixChange , KeepAspectRatioChange , ParentChanged , Deleted , StrokeChanged , BackgroundChanged , ShadowChanged , BorderChanged , ParameterChanged , ContentChanged , TextRunAroundChanged , ChildChanged , ConnectionPointChanged , ClipPathChanged , ClipMaskChanged , TransparencyChanged }
	Used by shapeChanged() to select which change was made. More...

enum	ChildZOrderPolicy { ChildZDefault , ChildZParentChild = ChildZDefault , ChildZPassThrough }
	Used by compareShapeZIndex() to order shapes. More...

enum	PaintOrder { Fill , Stroke , Markers }

enum	RunThroughLevel { Background , Foreground }

enum	TextRunAroundContour { ContourBox , ContourFull , ContourOutside }
	The behavior text should do when intersecting this shape. More...

enum	TextRunAroundSide { BiggestRunAroundSide , LeftRunAroundSide , RightRunAroundSide , EnoughRunAroundSide , BothRunAroundSide , NoRunAround , RunThrough }
	The behavior text should do when intersecting this shape. More...

Static Public Member Functions inherited from KoPathShape
static KoPathShape *	createShapeFromPainterPath (const QPainterPath &path)
	Creates path shape from given QPainterPath.

Static Public Member Functions inherited from KoShape
static QRectF	absoluteOutlineRect (const QList< KoShape * > &shapes)

static QRectF	boundingRect (const QList< KoShape * > &shapes)

static bool	compareShapeZIndex (KoShape s1, KoShape s2)

static KisHandlePainterHelper	createHandlePainterHelperDocument (QPainter painter, KoShape shape, qreal handleRadius, int decorationThickness)

static KisHandlePainterHelper	createHandlePainterHelperView (QPainter painter, KoShape shape, const KoViewConverter &converter, qreal handleRadius=0.0, int decorationThickness=1)

static QVector< PaintOrder >	defaultPaintOrder ()
	default paint order as per SVG specification

static QList< KoShape * >	linearizeSubtree (const QList< KoShape * > &shapes)

static QList< KoShape * >	linearizeSubtreeSorted (const QList< KoShape * > &shapes)

Public Attributes inherited from KoParameterShape
QList< QPointF >	handles
	the handles that the user can grab and change

bool	parametric

Public Attributes inherited from KoShapeContainer
KoShapeContainerModel *	model

KoShapeContainer::ShapeInterface	shapeInterface

Static Public Attributes inherited from KoShape
static const qint16	maxZIndex = std::numeric_limits<qint16>::max()

static const qint16	minZIndex = std::numeric_limits<qint16>::min()

Detailed Description

Definition at line 89 of file KarbonCalligraphicShape.h.

Constructor & Destructor Documentation

◆ KarbonCalligraphicShape() [1/2]

KarbonCalligraphicShape::KarbonCalligraphicShape ( qreal caps = 0.0 )

explicit

Definition at line 43 of file KarbonCalligraphicShape.cpp.

    : s(new Private(caps))
{
    setShapeId(KoPathShapeId);
    setFillRule(Qt::WindingFill);
    setBackground(QSharedPointer<KoShapeBackground>(new KoColorBackground(QColor(Qt::black))));
    setStroke(KoShapeStrokeModelSP());
}

References KoPathShapeId, KoShape::setBackground(), KoPathShape::setFillRule(), KoShape::setShapeId(), and KoShape::setStroke().

◆ ~KarbonCalligraphicShape()

KarbonCalligraphicShape::~KarbonCalligraphicShape ( )

override

Definition at line 58 of file KarbonCalligraphicShape.cpp.

59{

60}

◆ KarbonCalligraphicShape() [2/2]

KarbonCalligraphicShape::KarbonCalligraphicShape ( const KarbonCalligraphicShape & rhs )

private

Definition at line 52 of file KarbonCalligraphicShape.cpp.

    : KoParameterShape(rhs),
      s(rhs.s)
{
}

Member Function Documentation

◆ addCap()

void KarbonCalligraphicShape::addCap	(	int	index1,
		int	index2,
		int	pointIndex,
		bool	inverted = false )

private

Definition at line 345 of file KarbonCalligraphicShape.cpp.

{
    QPointF p1 = s->points[index1].point();
    QPointF p2 = s->points[index2].point();
 
    // TODO: review why spikes can appear with a lower limit
    QPointF delta = p2 - p1;
    if (delta.manhattanLength() < 1.0) {
        return;
    }
 
    QPointF direction = QLineF(QPointF(0, 0), delta).unitVector().p2();
    qreal width = s->points[index2].width();
    QPointF p = p2 + direction * s->caps * width;
 
    KoPathPoint *newPoint = new KoPathPoint(this, p);
 
    qreal angle = s->points[index2].angle();
    if (inverted) {
        angle += M_PI;
    }
 
    qreal dx = std::cos(angle) * width;
    qreal dy = std::sin(angle) * width;
    newPoint->setControlPoint1(QPointF(p.x() - dx / 2, p.y() - dy / 2));
    newPoint->setControlPoint2(QPointF(p.x() + dx / 2, p.y() + dy / 2));
 
    insertPoint(newPoint, KoPathPointIndex(0, pointIndex));
}

References KoPathShape::insertPoint(), M_PI, p, p1, p2, s, KoPathPoint::setControlPoint1(), and KoPathPoint::setControlPoint2().

◆ appendPoint()

void KarbonCalligraphicShape::appendPoint	(	const QPointF &	p1,
		qreal	angle,
		qreal	width )

Definition at line 67 of file KarbonCalligraphicShape.cpp.

{
    // convert the point from canvas to shape coordinates
    QPointF p = point - position();
    KarbonCalligraphicPoint calligraphicPoint(p, angle, width);
 
    QList<QPointF> handles = this->handles();
    handles.append(p);
    setHandles(handles);
    s->points.append(calligraphicPoint);
    appendPointToPath(calligraphicPoint);
 
    // make the angle of the first point more in line with the actual
    // direction
    if (s->points.count() == 4) {
        s->points[0].setAngle(angle);
        s->points[1].setAngle(angle);
        s->points[2].setAngle(angle);
    }
 
    normalize();
}

References appendPointToPath(), KoParameterShape::handles, normalize(), p, KoShape::position(), s, and KoParameterShape::setHandles().

◆ appendPointsToPathAux()

void KarbonCalligraphicShape::appendPointsToPathAux	(	const QPointF &	p1,
		const QPointF &	p2 )

private

Definition at line 168 of file KarbonCalligraphicShape.cpp.

{
    KoPathPoint *pathPoint1 = new KoPathPoint(this, p1);
    KoPathPoint *pathPoint2 = new KoPathPoint(this, p2);
 
    // calculate the index of the insertion position
    int index = pointCount() / 2;
 
    insertPoint(pathPoint2, KoPathPointIndex(0, index));
    insertPoint(pathPoint1, KoPathPointIndex(0, index));
}

References KoPathShape::insertPoint(), p1, p2, and KoPathShape::pointCount().

◆ appendPointToPath()

void KarbonCalligraphicShape::appendPointToPath ( const KarbonCalligraphicPoint & p )

Definition at line 90 of file KarbonCalligraphicShape.cpp.

{
    qreal dx = std::cos(p.angle()) * p.width();
    qreal dy = std::sin(p.angle()) * p.width();
 
    // find the outline points
    QPointF p1 = p.point() - QPointF(dx / 2, dy / 2);
    QPointF p2 = p.point() + QPointF(dx / 2, dy / 2);
 
    if (pointCount() == 0) {
        moveTo(p1);
        lineTo(p2);
        return;
    }
    // pointCount > 0
 
    bool flip = (pointCount() >= 2) ? flipDetected(p1, p2) : false;
 
    // if there was a flip add additional points
    if (flip) {
        appendPointsToPathAux(p2, p1);
        if (pointCount() > 4) {
            smoothLastPoints();
        }
    }
 
    appendPointsToPathAux(p1, p2);
 
    if (pointCount() > 4) {
        smoothLastPoints();
 
        if (flip) {
            int index = pointCount() / 2;
            // find the last two points
            KoPathPoint *last1 = pointByIndex(KoPathPointIndex(0, index - 1));
            KoPathPoint *last2 = pointByIndex(KoPathPointIndex(0, index));
 
            last1->removeControlPoint1();
            last1->removeControlPoint2();
            last2->removeControlPoint1();
            last2->removeControlPoint2();
            s->lastWasFlip = true;
        }
 
        if (s->lastWasFlip) {
            int index = pointCount() / 2;
            // find the previous two points
            KoPathPoint *prev1 = pointByIndex(KoPathPointIndex(0, index - 2));
            KoPathPoint *prev2 = pointByIndex(KoPathPointIndex(0, index + 1));
 
            prev1->removeControlPoint1();
            prev1->removeControlPoint2();
            prev2->removeControlPoint1();
            prev2->removeControlPoint2();
 
            if (!flip) {
                s->lastWasFlip = false;
            }
        }
    }
 
    // add initial cap if it's the fourth added point
    // this code is here because this function is called from different places
    // pointCount() == 8 may causes crashes because it doesn't take possible
    // flips into account
 
    if (s->points.count() >= 4 && p == s->points[3]) {
       addCap(3, 0, 0, true);
        // duplicate the last point to make the points remain "balanced"
        // needed to keep all indexes code (else I would need to change
        // everything in the code...)
        KoPathPoint *last = pointByIndex(KoPathPointIndex(0, pointCount() - 1));
        KoPathPoint *newPoint = new KoPathPoint(this, last->point());
        insertPoint(newPoint, KoPathPointIndex(0, pointCount()));
        close();
    }
}

References addCap(), appendPointsToPathAux(), KoPathShape::close(), flipDetected(), KoPathShape::insertPoint(), KoPathShape::lineTo(), KoPathShape::moveTo(), p, p1, p2, KoPathPoint::point, KoPathShape::pointByIndex(), KoPathShape::pointCount(), KoPathPoint::removeControlPoint1(), KoPathPoint::removeControlPoint2(), s, and smoothLastPoints().

◆ ccw()

int KarbonCalligraphicShape::ccw	(	const QPointF &	p1,
		const QPointF &	p2,
		const QPointF &	p3 )

staticprivate

Definition at line 263 of file KarbonCalligraphicShape.cpp.

{
    // calculate two times the area of the triangle formed by the points given
    qreal area2 = (p2.x() - p1.x()) * (p3.y() - p1.y()) -
                  (p2.y() - p1.y()) * (p3.x() - p1.x());
    if (area2 > 0) {
        return +1; // the points are given in counterclockwise order
    } else if (area2 < 0) {
        return -1; // the points are given in clockwise order
    } else {
        return 0; // the points form a degenerate triangle
    }
}

References p1, p2, and p3.

◆ cloneShape()

KoShape * KarbonCalligraphicShape::cloneShape ( ) const

overridevirtual

creates a deep copy of the shape or shape's subtree

Returns: a cloned shape

Reimplemented from KoShape.

Definition at line 62 of file KarbonCalligraphicShape.cpp.

{
    return new KarbonCalligraphicShape(*this);
}

References KarbonCalligraphicShape().

◆ flipDetected()

bool KarbonCalligraphicShape::flipDetected	(	const QPointF &	p1,
		const QPointF &	p2 )

private

Definition at line 249 of file KarbonCalligraphicShape.cpp.

{
    // detect the flip caused by the angle changing 180 degrees
    // thus detect the boundary crossing
    int index = pointCount() / 2;
    QPointF last1 = pointByIndex(KoPathPointIndex(0, index - 1))->point();
    QPointF last2 = pointByIndex(KoPathPointIndex(0, index))->point();
 
    int sum1 = std::abs(ccw(p1, p2, last1) + ccw(p1, last2, last1));
    int sum2 = std::abs(ccw(p2, p1, last2) + ccw(p2, last1, last2));
    // if there was a flip
    return sum1 < 2 && sum2 < 2;
}

References ccw(), p1, p2, KoPathPoint::point, KoPathShape::pointByIndex(), and KoPathShape::pointCount().

◆ lastPieceBoundingRect()

const QRectF KarbonCalligraphicShape::lastPieceBoundingRect ( )

Definition at line 222 of file KarbonCalligraphicShape.cpp.

{
    if (pointCount() < 6) {
        return QRectF();
    }
 
    int index = pointCount() / 2;
 
    QPointF p1 = pointByIndex(KoPathPointIndex(0, index - 3))->point();
    QPointF p2 = pointByIndex(KoPathPointIndex(0, index - 2))->point();
    QPointF p3 = pointByIndex(KoPathPointIndex(0, index - 1))->point();
    QPointF p4 = pointByIndex(KoPathPointIndex(0, index))->point();
    QPointF p5 = pointByIndex(KoPathPointIndex(0, index + 1))->point();
    QPointF p6 = pointByIndex(KoPathPointIndex(0, index + 2))->point();
 
    // TODO: also take the control points into account
    QPainterPath p;
    p.moveTo(p1);
    p.lineTo(p2);
    p.lineTo(p3);
    p.lineTo(p4);
    p.lineTo(p5);
    p.lineTo(p6);
 
    return p.boundingRect().translated(position());
}

References p, p1, p2, p3, KoPathPoint::point, KoPathShape::pointByIndex(), KoPathShape::pointCount(), and KoShape::position().

◆ moveHandleAction()

void KarbonCalligraphicShape::moveHandleAction	(	int	handleId,
		const QPointF &	point,
		Qt::KeyboardModifiers	modifiers = Qt::NoModifier )

overrideprotectedvirtual

Updates the internal state of a KoParameterShape.

This method is called from moveHandle.

Parameters

handleId	of the handle
point	to move the handle to in shape coordinates
modifiers	used during move to point

Implements KoParameterShape.

Definition at line 297 of file KarbonCalligraphicShape.cpp.

{
    Q_UNUSED(modifiers);
    s->points[handleId].setPoint(point);
}

References s.

◆ normalize()

QPointF KarbonCalligraphicShape::normalize ( )

overridevirtual

Normalizes the path data.

The path points are transformed so that the top-left corner of the bounding rect is at (0,0). This should be called after adding points to the path or changing positions of path points.

Returns: the offset by which the points are moved in shape coordinates.

Reimplemented from KoPathShape.

Definition at line 284 of file KarbonCalligraphicShape.cpp.

{
    QPointF offset(KoParameterShape::normalize());
    QTransform matrix;
    matrix.translate(-offset.x(), -offset.y());
 
    for (int i = 0; i < s->points.size(); ++i) {
        s->points[i].setPoint(matrix.map(s->points[i].point()));
    }
 
    return offset;
}

References KoParameterShape::normalize(), and s.

◆ pathShapeId()

QString KarbonCalligraphicShape::pathShapeId ( ) const

overridevirtual

Returns the specific path shape id.

Path shape derived shapes have a different shape id which link them to their respective shape factories. In most cases they do not have a special tool for editing them. This function returns the specific shape id for finding the shape factory from KoShapeRegistry. The default KoPathShapeId is returned from KoShape::shapeId() so that the generic path editing tool gets activated when the shape is selected.

Returns: the specific shape id

Reimplemented from KoPathShape.

Definition at line 375 of file KarbonCalligraphicShape.cpp.

{
    return KarbonCalligraphicShapeId;
}

References KarbonCalligraphicShapeId.

◆ setSize()

void KarbonCalligraphicShape::setSize ( const QSizeF & size )

overridevirtual

Resize the shape.

Parameters

size the new size of the shape. This is different from scaling as scaling is a so called secondary operation which is comparable to zooming in instead of changing the size of the basic shape. Easiest example of this difference is that using this method will not distort the size of pattern-fills and strokes.

Reimplemented from KoShape.

Definition at line 277 of file KarbonCalligraphicShape.cpp.

{
    // QSizeF oldSize = size();
    // TODO: check
    KoParameterShape::setSize(newSize);
}

References KoParameterShape::setSize().

◆ simplifyGuidePath()

void KarbonCalligraphicShape::simplifyGuidePath ( )

Definition at line 380 of file KarbonCalligraphicShape.cpp.

{
    // do not attempt to simplify if there are too few points
    if (s->points.count() < 3) {
        return;
    }
 
    QList<QPointF> points;
    Q_FOREACH (const KarbonCalligraphicPoint &p, s->points) {
        points.append(p.point());
    }
 
    // cumulative data used to determine if the point can be removed
    qreal widthChange = 0;
    qreal directionChange = 0;
    QList<KarbonCalligraphicPoint>::iterator i = s->points.begin() + 2;
 
    while (i != std::prev(s->points.end())) {
        QPointF point = i->point();
 
        qreal width = i->width();
        qreal prevWidth = std::prev(i)->width();
        qreal widthDiff = width - prevWidth;
        widthDiff /= qMax(width, prevWidth);
 
        qreal directionDiff = 0;
        if (std::next(i) != s->points.end()) {
            QPointF prev = std::prev(i)->point();
            QPointF next = std::next(i)->point();
 
            directionDiff = QLineF(prev, point).angleTo(QLineF(point, next));
            if (directionDiff > 180) {
                directionDiff -= 360;
            }
        }
 
        if (directionChange * directionDiff >= 0 &&
                qAbs(directionChange + directionDiff) < 20 &&
                widthChange * widthDiff >= 0 &&
                qAbs(widthChange + widthDiff) < 0.1) {
            // deleted point
            i = s->points.erase(i);
            directionChange += directionDiff;
            widthChange += widthDiff;
        } else {
            // keep point
            directionChange = 0;
            widthChange = 0;
            ++i;
        }
    }
 
    updatePath(QSizeF());
}

References p, s, and updatePath().

◆ simplifyPath()

void KarbonCalligraphicShape::simplifyPath ( )

Definition at line 329 of file KarbonCalligraphicShape.cpp.

{
    if (s->points.count() < 2) {
        return;
    }
 
    close();
 
    // add final cap
    addCap(s->points.count() - 2, s->points.count() - 1, pointCount() / 2);
 
    // TODO: the error should be proportional to the width
    //       and it shouldn't be a magic number
    karbonSimplifyPath(this, 0.3);
}

References addCap(), KoPathShape::close(), karbonSimplifyPath(), KoPathShape::pointCount(), and s.

◆ smoothLastPoints()

void KarbonCalligraphicShape::smoothLastPoints ( )

private

Definition at line 180 of file KarbonCalligraphicShape.cpp.

{
    int index = pointCount() / 2;
    smoothPoint(index - 2);
    smoothPoint(index + 1);
}

References KoPathShape::pointCount(), and smoothPoint().

◆ smoothPoint()

void KarbonCalligraphicShape::smoothPoint ( const int index )

private

Definition at line 187 of file KarbonCalligraphicShape.cpp.

{
    if (pointCount() < index + 2) {
        return;
    } else if (index < 1) {
        return;
    }
 
    const KoPathPointIndex PREV(0, index - 1);
    const KoPathPointIndex INDEX(0, index);
    const KoPathPointIndex NEXT(0, index + 1);
 
    QPointF prev = pointByIndex(PREV)->point();
    QPointF point = pointByIndex(INDEX)->point();
    QPointF next = pointByIndex(NEXT)->point();
 
    QPointF vector = next - prev;
    qreal dist = (QLineF(prev, next)).length();
    // normalize the vector (make it's size equal to 1)
    if (!qFuzzyCompare(dist + 1, 1)) {
        vector /= dist;
    }
    qreal mult = 0.35; // found by trial and error, might not be perfect...
    // distance of the control points from the point
    qreal dist1 = (QLineF(point, prev)).length() * mult;
    qreal dist2 = (QLineF(point, next)).length() * mult;
    QPointF vector1 = vector * dist1;
    QPointF vector2 = vector * dist2;
    QPointF controlPoint1 = point - vector1;
    QPointF controlPoint2 = point + vector2;
 
    pointByIndex(INDEX)->setControlPoint1(controlPoint1);
    pointByIndex(INDEX)->setControlPoint2(controlPoint2);
}

References length(), KoPathPoint::point, KoPathShape::pointByIndex(), KoPathShape::pointCount(), qFuzzyCompare(), KoPathPoint::setControlPoint1(), and KoPathPoint::setControlPoint2().

◆ updatePath()

void KarbonCalligraphicShape::updatePath ( const QSizeF & size )

overrideprotectedvirtual

Update the path of the parameter shape.

Parameters

size	of the shape

Implements KoParameterShape.

Definition at line 305 of file KarbonCalligraphicShape.cpp.

{
    Q_UNUSED(size);
 
    QPointF pos = position();
 
    // remove all points
    clear();
    setPosition(QPoint(0, 0));
 
    Q_FOREACH (const KarbonCalligraphicPoint &p, s->points) {
        appendPointToPath(p);
    }
 
    QList<QPointF> handles;
    Q_FOREACH (const KarbonCalligraphicPoint &p, s->points) {
        handles.append(p.point());
    }
    setHandles(handles);
 
    setPosition(pos);
    normalize();
}

References appendPointToPath(), KoPathShape::clear(), KoParameterShape::handles, normalize(), p, KoShape::position(), s, KoParameterShape::setHandles(), KoShape::setPosition(), and KoPathShape::size().

Member Data Documentation

◆ s

QSharedDataPointer<Private> KarbonCalligraphicShape::s

private

Definition at line 148 of file KarbonCalligraphicShape.h.

The documentation for this class was generated from the following files:

plugins/tools/karbonplugins/tools/CalligraphyTool/KarbonCalligraphicShape.h
plugins/tools/karbonplugins/tools/CalligraphyTool/KarbonCalligraphicShape.cpp

Classes

Public Member Functions

Protected Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ KarbonCalligraphicShape() [1/2]

◆ ~KarbonCalligraphicShape()

◆ KarbonCalligraphicShape() [2/2]

Member Function Documentation

◆ addCap()

◆ appendPoint()

◆ appendPointsToPathAux()

◆ appendPointToPath()

◆ ccw()

◆ cloneShape()

◆ flipDetected()

◆ lastPieceBoundingRect()

◆ moveHandleAction()

◆ normalize()

◆ pathShapeId()

◆ setSize()

◆ simplifyGuidePath()

◆ simplifyPath()

◆ smoothLastPoints()

◆ smoothPoint()

◆ updatePath()

Member Data Documentation

◆ s