libkpl
5.0
A Library for Graphical Presentation of Data Sets and Functions
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Kpl item class. More...
#include <kplitem.h>
Public Types | |
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 | |
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... | |
Static Public Member Functions | |
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... | |
Protected Member Functions | |
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... | |
Static Protected Member Functions | |
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... | |
Protected Attributes | |
double | m_relSize |
Static Protected Attributes | |
static double | m_dashOffset |
Kpl item class.
Base class for plot items.
enum KplItem::FillStyle |
Fill styles.
Types of fill styles for filled geometric forms.
enum KplItem::ItemType |
Item types.
Types of plot items.
enum KplItem::PenType |
enum KplItem::Symbol |
Symbol types.
Types of plot symbols and lines.
KplItem::KplItem | ( | double | relSize = 1 | ) |
Constructor.
Initializes corresponding to arguments.
relSize | relative size of text and symbols. |
KplItem::KplItem | ( | const KplItem & | a | ) |
Copy constructor.
a | source item. |
KplItem::KplItem | ( | const KConfigGroup * | plo | ) |
Constructor.
Initializes corresponding to plot file.
plo | KSimpleConfig object containing item data. |
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virtual |
Destructor.
Constructs absolute file URL.
path | path of file (can be relative). |
urlPlo | URL of referring plot file. |
Changes pen width.
pen | reference to pen. |
width | pen width in pixel units. |
Creates brush.
color | brush color. |
fillStyle | fill style. |
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static |
Creates pen.
width | pen width in pixel units. |
color | pen color. |
penType | pen type. |
symbol | symbol type. |
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protected |
Creates pen for plot item.
item | plot item. |
color | pen color. |
penType | pen type. |
symbol | symbol type. |
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static |
Paints symbol.
painter | pointer to QPainter. |
rect | bounding rectangle. |
symbol | symbol type. |
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staticprotected |
Returns width of item's parent frame or width of scene if the item has no parent item.
item | plot item. |
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static |
Constructs absolute or (if possible) relative file path.
urlPlo | URL of referring plot file. |
url | file URL. |
absolute | construct absolute path if true. |
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protected |
Calculates pen width for plot item.
item | plot item. |
penType | pen type. |
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staticprotected |
Returns factor to calculate pen width from frame width.
penType | pen type. |
Returns black decoration pixmap of plot symbol for use in dialog GUI.
symbol | symbol type. |
Returns decoration pixmap of plot symbol for use in item lists.
pen | pen with symbol color. |
symbol | symbol type. |
void KplItem::readPlo | ( | const KConfigGroup * | plo | ) |
Initializes corresponding to plot file.
plo | pointer to KConfigGroup object containing item data. |
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inline |
Returns relative size of item.
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static |
Resets offset for dashed lines.
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static |
Converts rgb string to QRgb.
color | hexadecimal coded Qt1 rgb value. |
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static |
Converts QRgb to Qt1 QRgb.
rgb | QRgb value of actual Qt version. |
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inline |
Sets relative size of item.
relSize | relative size. |
void KplItem::writePlo | ( | KConfigGroup * | plo, |
bool | visible = true |
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) | const |
Writes into plot file.
plo | KConfigGroup object. |
visible | false for hidden item. |