libkpl
5.0
A Library for Graphical Presentation of Data Sets and Functions
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Line item class. More...
#include <lineitem.h>
Public Types | |
enum | { Type = UserType + Line } |
Specific QGraphicsItem type number for function type() More... | |
Public Types inherited from KplItem | |
enum | FillStyle { NoBrush, SolidPattern, HorPattern, VerPattern, CrossPattern, BDiagPattern, FDiagPattern, DiagCrossPattern } |
Fill styles. More... | |
enum | ItemType { Frame = 1, Array, Function, ParFunction, Spline, Array3D, Function3D, Legend, Text, Line, Arrow, Arc, Rectangle, Ellipse, Image, ScaleBar } |
Item types. More... | |
enum | PenType { FramePen, GridPen, DataPen } |
Pen types. More... | |
enum | Symbol { Invisible = -17, FilledOctagon, FilledHourglass, FilledTriangle, FilledSquare, FilledDiamond, FilledCircle, Umbrella, Ypsilon, Plus, Cross, OpenOctagon, OpenHourglass, OpenTriangle, OpenSquare, OpenDiamond, Dot, OpenCircle, SolidLine, DashLine1, DashLine2, DotLine1, DashLine3, DashDotLine, DashLine4, DashLine5, DotLine2 } |
Symbol types. More... | |
Public Member Functions | |
LineItem (double x0=0, double y0=0, unsigned color=0, QGraphicsItem *parent=0, double length=1, bool visible=true, Symbol symbol=SolidLine, double relSize=1, double dir=0) | |
Constructor. More... | |
LineItem (const LineItem &a) | |
Copy constructor. More... | |
LineItem (const KConfigGroup *plo, unsigned color=0, QGraphicsItem *parent=0) | |
Constructor. More... | |
virtual | ~LineItem () |
Destructor. More... | |
QPixmap | pixmap () const |
Returns decoration pixmap for item list. More... | |
void | setDashOffset () |
Sets offset for dashed lines. More... | |
void | setPenWidth () |
Sets pen width. More... | |
void | setProperties (const QTransform &m) |
Sets properties according to transformation matrix. More... | |
void | setSymbol (Symbol symbol) |
Sets line type. More... | |
Symbol | symbol () const |
Returns line type. More... | |
virtual int | type () const |
Returns specific QGraphicsItem type number. More... | |
void | update () |
Applies changes and forces redrawing. More... | |
void | writePlo (KConfigGroup *plo) const |
Writes into plot file. More... | |
Public Member Functions inherited from VectorItem | |
VectorItem (unsigned color=0, double x0=0, double y0=0, double length=1, double dir=0, double relSize=1) | |
Constructor. More... | |
VectorItem (const KConfigGroup *plo, unsigned color=0) | |
Constructor. More... | |
virtual | ~VectorItem () |
Destructor. More... | |
double | dir () const |
Returns rotation angle in deg. More... | |
double | length () const |
Returns length in cm. More... | |
void | setDir (double dir) |
Sets rotation angle. More... | |
void | setLength (double length) |
Sets length. More... | |
void | writePlo (KConfigGroup *plo, bool visible) const |
Writes into plot file. More... | |
Public Member Functions inherited from DecoItem | |
DecoItem (unsigned color=0, double x0=0, double y0=0, double relSize=1) | |
Constructor. More... | |
DecoItem (const KConfigGroup *plo, unsigned color=0) | |
Constructor. More... | |
virtual | ~DecoItem () |
Destructor. More... | |
unsigned | color () const |
Returns color. More... | |
void | setColor (unsigned color) |
Sets color. More... | |
void | setX0 (double x0) |
Sets x position. More... | |
void | setY0 (double y0) |
Sets y position. More... | |
void | updatePos (const QPointF &p, bool absolute=true) |
Updates position. More... | |
void | writePlo (KConfigGroup *plo, bool visible) const |
Writes into plot file. More... | |
double | x0 () const |
Returns x position in cm. More... | |
double | y0 () const |
Returns y position in cm. More... | |
Public Member Functions inherited from KplItem | |
KplItem (double relSize=1) | |
Constructor. More... | |
KplItem (const KplItem &a) | |
Copy constructor. More... | |
KplItem (const KConfigGroup *plo) | |
Constructor. More... | |
virtual | ~KplItem () |
Destructor. More... | |
void | readPlo (const KConfigGroup *plo) |
Initializes corresponding to plot file. More... | |
double | relSize () const |
Returns relative size of item. More... | |
void | setRelSize (double relSize) |
Sets relative size of item. More... | |
void | writePlo (KConfigGroup *plo, bool visible=true) const |
Writes into plot file. More... | |
Public Member Functions inherited from QGraphicsLineItem | |
QGraphicsLineItem (QGraphicsItem *parent) | |
QGraphicsLineItem (const QLineF &line, QGraphicsItem *parent) | |
QGraphicsLineItem (qreal x1, qreal y1, qreal x2, qreal y2, QGraphicsItem *parent) | |
QPen | pen () const |
void | setPen (const QPen &pen) |
QLineF | line () const |
void | setLine (const QLineF &line) |
void | setLine (qreal x1, qreal y1, qreal x2, qreal y2) |
virtual QRectF | boundingRect () const |
virtual QPainterPath | shape () const |
virtual bool | contains (const QPointF &point) const |
virtual void | paint (QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) |
virtual bool | isObscuredBy (const QGraphicsItem *item) const |
virtual QPainterPath | opaqueArea () const |
Public Member Functions inherited from QGraphicsItem | |
QGraphicsItem (QGraphicsItem *parent) | |
QGraphicsScene * | scene () const |
QGraphicsItem * | parentItem () const |
QGraphicsItem * | topLevelItem () const |
QGraphicsObject * | parentObject () const |
QGraphicsWidget * | parentWidget () const |
QGraphicsWidget * | topLevelWidget () const |
QGraphicsWidget * | window () const |
QGraphicsItem * | panel () const |
void | setParentItem (QGraphicsItem *newParent) |
QList< QGraphicsItem * > | children () const |
QList< QGraphicsItem * > | childItems () const |
bool | isWidget () const |
bool | isWindow () const |
bool | isPanel () const |
QGraphicsObject * | toGraphicsObject () |
const QGraphicsObject * | toGraphicsObject () const |
QGraphicsItemGroup * | group () const |
void | setGroup (QGraphicsItemGroup *group) |
GraphicsItemFlags | flags () const |
void | setFlag (GraphicsItemFlag flag, bool enabled) |
void | setFlags (GraphicsItemFlags flags) |
CacheMode | cacheMode () const |
void | setCacheMode (CacheMode mode, const QSize &logicalCacheSize) |
PanelModality | panelModality () const |
void | setPanelModality (PanelModality panelModality) |
bool | isBlockedByModalPanel (QGraphicsItem **blockingPanel) const |
QString | toolTip () const |
void | setToolTip (const QString &toolTip) |
QCursor | cursor () const |
void | setCursor (const QCursor &cursor) |
bool | hasCursor () const |
void | unsetCursor () |
bool | isVisible () const |
bool | isVisibleTo (const QGraphicsItem *parent) const |
void | setVisible (bool visible) |
void | hide () |
void | show () |
bool | isEnabled () const |
void | setEnabled (bool enabled) |
bool | isSelected () const |
void | setSelected (bool selected) |
bool | acceptDrops () const |
void | setAcceptDrops (bool on) |
qreal | opacity () const |
qreal | effectiveOpacity () const |
void | setOpacity (qreal opacity) |
QGraphicsEffect * | graphicsEffect () const |
void | setGraphicsEffect (QGraphicsEffect *effect) |
Qt::MouseButtons | acceptedMouseButtons () const |
void | setAcceptedMouseButtons (Qt::MouseButtons buttons) |
bool | acceptsHoverEvents () const |
void | setAcceptsHoverEvents (bool enabled) |
bool | acceptHoverEvents () const |
void | setAcceptHoverEvents (bool enabled) |
bool | acceptTouchEvents () const |
void | setAcceptTouchEvents (bool enabled) |
bool | filtersChildEvents () const |
void | setFiltersChildEvents (bool enabled) |
bool | handlesChildEvents () const |
void | setHandlesChildEvents (bool enabled) |
bool | isActive () const |
void | setActive (bool active) |
bool | hasFocus () const |
void | setFocus (Qt::FocusReason focusReason) |
void | clearFocus () |
QGraphicsItem * | focusProxy () const |
void | setFocusProxy (QGraphicsItem *item) |
QGraphicsItem * | focusItem () const |
void | grabMouse () |
void | ungrabMouse () |
void | grabKeyboard () |
void | ungrabKeyboard () |
QPointF | pos () const |
qreal | x () const |
void | setX (qreal x) |
qreal | y () const |
void | setY (qreal y) |
QPointF | scenePos () const |
void | setPos (const QPointF &pos) |
void | setPos (qreal x, qreal y) |
void | moveBy (qreal dx, qreal dy) |
void | ensureVisible (const QRectF &rect, int xmargin, int ymargin) |
void | ensureVisible (qreal x, qreal y, qreal w, qreal h, int xmargin, int ymargin) |
QMatrix | matrix () const |
QMatrix | sceneMatrix () const |
void | setMatrix (const QMatrix &matrix, bool combine) |
void | resetMatrix () |
QTransform | transform () const |
QTransform | sceneTransform () const |
QTransform | deviceTransform (const QTransform &viewportTransform) const |
QTransform | itemTransform (const QGraphicsItem *other, bool *ok) const |
void | setTransform (const QTransform &matrix, bool combine) |
void | resetTransform () |
void | rotate (qreal angle) |
void | scale (qreal sx, qreal sy) |
void | shear (qreal sh, qreal sv) |
void | translate (qreal dx, qreal dy) |
void | setRotation (qreal angle) |
qreal | rotation () const |
void | setScale (qreal factor) |
qreal | scale () const |
QList< QGraphicsTransform * > | transformations () const |
void | setTransformations (const QList< QGraphicsTransform * > &transformations) |
QPointF | transformOriginPoint () const |
void | setTransformOriginPoint (const QPointF &origin) |
void | setTransformOriginPoint (qreal x, qreal y) |
virtual void | advance (int phase) |
qreal | zValue () const |
void | setZValue (qreal z) |
void | stackBefore (const QGraphicsItem *sibling) |
QRectF | childrenBoundingRect () const |
QRectF | sceneBoundingRect () const |
bool | isClipped () const |
QPainterPath | clipPath () const |
virtual bool | collidesWithItem (const QGraphicsItem *other, Qt::ItemSelectionMode mode) const |
virtual bool | collidesWithPath (const QPainterPath &path, Qt::ItemSelectionMode mode) const |
QList< QGraphicsItem * > | collidingItems (Qt::ItemSelectionMode mode) const |
bool | isObscured (const QRectF &rect) const |
bool | isObscured (qreal x, qreal y, qreal w, qreal h) const |
QRegion | boundingRegion (const QTransform &itemToDeviceTransform) const |
qreal | boundingRegionGranularity () const |
void | setBoundingRegionGranularity (qreal granularity) |
void | update (const QRectF &rect) |
void | update (qreal x, qreal y, qreal width, qreal height) |
void | scroll (qreal dx, qreal dy, const QRectF &rect) |
QPointF | mapToItem (const QGraphicsItem *item, const QPointF &point) const |
QPointF | mapToParent (const QPointF &point) const |
QPointF | mapToScene (const QPointF &point) const |
QPolygonF | mapToItem (const QGraphicsItem *item, const QRectF &rect) const |
QPolygonF | mapToParent (const QRectF &rect) const |
QPolygonF | mapToScene (const QRectF &rect) const |
QRectF | mapRectToItem (const QGraphicsItem *item, const QRectF &rect) const |
QRectF | mapRectToParent (const QRectF &rect) const |
QRectF | mapRectToScene (const QRectF &rect) const |
QPolygonF | mapToItem (const QGraphicsItem *item, const QPolygonF &polygon) const |
QPolygonF | mapToParent (const QPolygonF &polygon) const |
QPolygonF | mapToScene (const QPolygonF &polygon) const |
QPainterPath | mapToItem (const QGraphicsItem *item, const QPainterPath &path) const |
QPainterPath | mapToParent (const QPainterPath &path) const |
QPainterPath | mapToScene (const QPainterPath &path) const |
QPointF | mapFromItem (const QGraphicsItem *item, const QPointF &point) const |
QPointF | mapFromParent (const QPointF &point) const |
QPointF | mapFromScene (const QPointF &point) const |
QPolygonF | mapFromItem (const QGraphicsItem *item, const QRectF &rect) const |
QPolygonF | mapFromParent (const QRectF &rect) const |
QPolygonF | mapFromScene (const QRectF &rect) const |
QRectF | mapRectFromItem (const QGraphicsItem *item, const QRectF &rect) const |
QRectF | mapRectFromParent (const QRectF &rect) const |
QRectF | mapRectFromScene (const QRectF &rect) const |
QPolygonF | mapFromItem (const QGraphicsItem *item, const QPolygonF &polygon) const |
QPolygonF | mapFromParent (const QPolygonF &polygon) const |
QPolygonF | mapFromScene (const QPolygonF &polygon) const |
QPainterPath | mapFromItem (const QGraphicsItem *item, const QPainterPath &path) const |
QPainterPath | mapFromParent (const QPainterPath &path) const |
QPainterPath | mapFromScene (const QPainterPath &path) const |
QPointF | mapToItem (const QGraphicsItem *item, qreal x, qreal y) const |
QPointF | mapToParent (qreal x, qreal y) const |
QPointF | mapToScene (qreal x, qreal y) const |
QPolygonF | mapToItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const |
QPolygonF | mapToParent (qreal x, qreal y, qreal w, qreal h) const |
QPolygonF | mapToScene (qreal x, qreal y, qreal w, qreal h) const |
QRectF | mapRectToItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const |
QRectF | mapRectToParent (qreal x, qreal y, qreal w, qreal h) const |
QRectF | mapRectToScene (qreal x, qreal y, qreal w, qreal h) const |
QPointF | mapFromItem (const QGraphicsItem *item, qreal x, qreal y) const |
QPointF | mapFromParent (qreal x, qreal y) const |
QPointF | mapFromScene (qreal x, qreal y) const |
QPolygonF | mapFromItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const |
QPolygonF | mapFromParent (qreal x, qreal y, qreal w, qreal h) const |
QPolygonF | mapFromScene (qreal x, qreal y, qreal w, qreal h) const |
QRectF | mapRectFromItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const |
QRectF | mapRectFromParent (qreal x, qreal y, qreal w, qreal h) const |
QRectF | mapRectFromScene (qreal x, qreal y, qreal w, qreal h) const |
bool | isAncestorOf (const QGraphicsItem *child) const |
QGraphicsItem * | commonAncestorItem (const QGraphicsItem *other) const |
bool | isUnderMouse () const |
QVariant | data (int key) const |
void | setData (int key, const QVariant &value) |
Qt::InputMethodHints | inputMethodHints () const |
void | setInputMethodHints (Qt::InputMethodHints hints) |
void | installSceneEventFilter (QGraphicsItem *filterItem) |
void | removeSceneEventFilter (QGraphicsItem *filterItem) |
Protected Member Functions | |
virtual void | mouseReleaseEvent (QGraphicsSceneMouseEvent *event) |
Updates position. More... | |
void | setProperties () |
Sets properties according to transformation matrix. More... | |
Protected Member Functions inherited from KplItem | |
QPen & | changePenWidth (QPen &pen, double width) const |
Changes pen width. More... | |
QPen | createPen (QGraphicsItem *item, unsigned color=0, PenType penType=DataPen, Symbol symbol=SolidLine) const |
Creates pen for plot item. More... | |
double | penWidth (const QGraphicsItem *item, PenType penType=DataPen) const |
Calculates pen width for plot item. More... | |
Protected Member Functions inherited from QGraphicsItem | |
void | updateMicroFocus () |
virtual bool | sceneEventFilter (QGraphicsItem *watched, QEvent *event) |
virtual bool | sceneEvent (QEvent *event) |
virtual void | contextMenuEvent (QGraphicsSceneContextMenuEvent *event) |
virtual void | dragEnterEvent (QGraphicsSceneDragDropEvent *event) |
virtual void | dragLeaveEvent (QGraphicsSceneDragDropEvent *event) |
virtual void | dragMoveEvent (QGraphicsSceneDragDropEvent *event) |
virtual void | dropEvent (QGraphicsSceneDragDropEvent *event) |
virtual void | focusInEvent (QFocusEvent *event) |
virtual void | focusOutEvent (QFocusEvent *event) |
virtual void | hoverEnterEvent (QGraphicsSceneHoverEvent *event) |
virtual void | hoverMoveEvent (QGraphicsSceneHoverEvent *event) |
virtual void | hoverLeaveEvent (QGraphicsSceneHoverEvent *event) |
virtual void | keyPressEvent (QKeyEvent *event) |
virtual void | keyReleaseEvent (QKeyEvent *event) |
virtual void | mousePressEvent (QGraphicsSceneMouseEvent *event) |
virtual void | mouseMoveEvent (QGraphicsSceneMouseEvent *event) |
virtual void | mouseDoubleClickEvent (QGraphicsSceneMouseEvent *event) |
virtual void | wheelEvent (QGraphicsSceneWheelEvent *event) |
virtual void | inputMethodEvent (QInputMethodEvent *event) |
virtual QVariant | inputMethodQuery (Qt::InputMethodQuery query) const |
virtual QVariant | itemChange (GraphicsItemChange change, const QVariant &value) |
void | prepareGeometryChange () |
Protected Attributes | |
double | myDashOffset |
Symbol | m_symbol |
Protected Attributes inherited from VectorItem | |
double | m_length |
double | m_dir |
Protected Attributes inherited from DecoItem | |
unsigned | m_color |
double | m_x0 |
double | m_y0 |
QTransform | m_matrix |
Protected Attributes inherited from KplItem | |
double | m_relSize |
Additional Inherited Members | |
Static Public Member Functions inherited from KplItem | |
static QUrl | absoluteUrl (const QString &path, const QUrl &urlPlo) |
Constructs absolute file URL. More... | |
static QBrush | createBrush (unsigned color, FillStyle fillStyle=NoBrush) |
Creates brush. More... | |
static QPen | createPen (double width, unsigned color, PenType penType, Symbol symbol) |
Creates pen. More... | |
static void | paintSymbol (QPainter *painter, const QRectF &rect, Symbol symbol=OpenCircle) |
Paints symbol. More... | |
static QPixmap | pixmap (Symbol symbol) |
Returns black decoration pixmap of plot symbol for use in dialog GUI. More... | |
static QPixmap | pixmap (QPen pen, Symbol symbol=SolidLine) |
Returns decoration pixmap of plot symbol for use in item lists. More... | |
static QString | path (const QUrl &urlPlo, const QUrl &url, bool absolute=false) |
Constructs absolute or (if possible) relative file path. More... | |
static void | resetDashOffset () |
Resets offset for dashed lines. More... | |
static unsigned | rgb (const QString &color) |
Converts rgb string to QRgb. More... | |
static unsigned | rgbQt1 (unsigned rgb) |
Converts QRgb to Qt1 QRgb. More... | |
Public Attributes inherited from QGraphicsItem | |
typedef | GraphicsItemFlags |
Static Protected Member Functions inherited from KplItem | |
static double | parentWidth (const QGraphicsItem *item) |
Returns width of item's parent frame or width of scene if the item has no parent item. More... | |
static double | penWidthFactor (PenType penType) |
Returns factor to calculate pen width from frame width. More... | |
Static Protected Attributes inherited from KplItem | |
static double | m_dashOffset |
Line item class.
Class for line decoration items.
anonymous enum |
Specific QGraphicsItem type number for function type()
Enumerator | |
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Type |
Specific QGraphicsItem type number of LineItem for function type(). |
LineItem::LineItem | ( | double | x0 = 0 , |
double | y0 = 0 , |
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unsigned | color = 0 , |
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QGraphicsItem * | parent = 0 , |
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double | length = 1 , |
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bool | visible = true , |
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Symbol | symbol = SolidLine , |
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double | relSize = 1 , |
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double | dir = 0 |
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) |
Constructor.
Initializes corresponding to arguments.
x0 | x start position in cm. |
y0 | y start position in cm. |
color | color for line. |
parent | pointer to parent item. |
length | length in cm. |
visible | true for visible item. |
symbol | line type. |
relSize | relative line width. |
dir | direction in degree. |
LineItem::LineItem | ( | const LineItem & | a | ) |
Copy constructor.
a | source item. |
LineItem::LineItem | ( | const KConfigGroup * | plo, |
unsigned | color = 0 , |
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QGraphicsItem * | parent = 0 |
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) |
Constructor.
Initializes corresponding to plot file.
plo | pointer to KSimpleConfig object containing item data. |
color | default color for line. |
parent | pointer to parent item. |
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virtual |
Destructor.
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protectedvirtual |
Updates position.
Reimplemented from QGraphicsItem.
QPixmap LineItem::pixmap | ( | ) | const |
Returns decoration pixmap for item list.
void LineItem::setDashOffset | ( | ) |
Sets offset for dashed lines.
void LineItem::setPenWidth | ( | ) |
Sets pen width.
void LineItem::setProperties | ( | const QTransform & | m | ) |
Sets properties according to transformation matrix.
m | transformation matrix. |
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protected |
Sets properties according to transformation matrix.
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inline |
Sets line type.
symbol | line type. |
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inline |
Returns line type.
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inlinevirtual |
Returns specific QGraphicsItem type number.
Reimplemented from QGraphicsLineItem.
void LineItem::update | ( | ) |
Applies changes and forces redrawing.
void LineItem::writePlo | ( | KConfigGroup * | plo | ) | const |
Writes into plot file.
plo | KConfigGroup object. |