libkpl
6.0
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. | |
KplItem (const KplItem &a) | |
Copy constructor. | |
KplItem (const KConfigGroup *plo) | |
Constructor. | |
virtual | ~KplItem () |
Destructor. | |
void | readPlo (const KConfigGroup *plo) |
Initializes corresponding to plot file. | |
double | relSize () const |
Returns relative size of item. | |
void | setRelSize (double relSize) |
Sets relative size of item. | |
void | writePlo (KConfigGroup *plo, bool visible=true) const |
Writes into plot file. | |
Static Public Member Functions | |
static QUrl | absoluteUrl (const QString &path, const QUrl &urlPlo) |
Constructs absolute file URL. | |
static QBrush | createBrush (unsigned color, FillStyle fillStyle=NoBrush) |
Creates brush. | |
static QPen | createPen (double width, unsigned color, PenType penType, Symbol symbol) |
Creates pen. | |
static void | paintSymbol (QPainter *painter, const QRectF &rect, Symbol symbol=OpenCircle) |
Paints symbol. | |
static QPixmap | pixmap (Symbol symbol) |
Returns black decoration pixmap of plot symbol for use in dialog GUI. | |
static QPixmap | pixmap (QPen pen, Symbol symbol=SolidLine) |
Returns decoration pixmap of plot symbol for use in item lists. | |
static QString | path (const QUrl &urlPlo, const QUrl &url, bool absolute=false) |
Constructs absolute or (if possible) relative file path. | |
static void | resetDashOffset () |
Resets offset for dashed lines. | |
static unsigned | rgb (const QString &color) |
Converts rgb string to QRgb. | |
static unsigned | rgbQt1 (unsigned rgb) |
Converts QRgb to Qt1 QRgb. | |
Protected Member Functions | |
QPen & | changePenWidth (QPen &pen, double width) const |
Changes pen width. | |
QPen | createPen (QGraphicsItem *item, unsigned color=0, PenType penType=DataPen, Symbol symbol=SolidLine) const |
Creates pen for plot item. | |
double | penWidth (const QGraphicsItem *item, PenType penType=DataPen) const |
Calculates pen width for plot item. | |
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. | |
static double | penWidthFactor (PenType penType) |
Returns factor to calculate pen width from frame width. | |
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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Constructs absolute file URL.
path | path of file (can be relative). |
urlPlo | URL of referring plot file. |
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protected |
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. |
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 decoration pixmap of plot symbol for use in item lists.
pen | pen with symbol color. |
symbol | symbol type. |
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static |
Returns black decoration pixmap of plot symbol for use in dialog GUI.
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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Converts rgb string to QRgb.
color | hexadecimal coded Qt1 rgb value. |
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Converts QRgb to Qt1 QRgb.
rgb | QRgb value of actual Qt version. |
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Sets relative size of item.
relSize | relative size. |
void KplItem::writePlo | ( | KConfigGroup * | plo, |
bool | visible = true ) const |
Writes into plot file.
plo | KConfigGroup object. |
visible | false for hidden item. |