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JKQTPlotter trunk/v5.0.0
an extensive Qt5+Qt6 Plotter framework (including a feature-richt plotter widget, a speed-optimized, but limited variant and a LaTeX equation renderer!), written fully in C/C++ and without external dependencies
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subclass representing an empty bbox with defined width/height in the syntax tree More...
#include <jkqtmathtextwhitespacenode.h>
Public Types | |
enum | Units { EBUem , EBUex } |
Public Member Functions | |
JKQTMathTextEmptyBoxNode (JKQTMathText *parent, double width_, Units widthUnit_, double height_, Units heightUnit_) | |
constructs a node | |
virtual | ~JKQTMathTextEmptyBoxNode () override |
virtual double | draw (QPainter &painter, double x, double y, JKQTMathTextEnvironment currentEv) const override |
draw the contents at the designated position | |
double | getHeight () const |
height of the (empty) box, units of this value defined in heightUnit | |
Units | getHeightUnit () const |
units to interpret height | |
virtual QString | getTypeName () const override |
return the name of this class as a string | |
double | getWidth () const |
width of the (empty) box, units of this value defined in widthUnit | |
Units | getWidthUnit () const |
units to interpret width | |
virtual bool | toHtml (QString &html, JKQTMathTextEnvironment currentEv, JKQTMathTextEnvironment defaultEv) const override |
convert node to HTML and returns true on success | |
double | Units2PixelWidth (double value, Units unit, JKQTMathTextEnvironment currentEv, QPaintDevice *pd) const |
converts Types type into its width in pixels, based on currentEv and pd | |
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JKQTMathTextNode (const JKQTMathTextNode &)=delete | |
JKQTMathTextNode (JKQTMathText *parentMathText) | |
virtual | ~JKQTMathTextNode () |
bool | getDrawBoxes () const |
returns the drawing of colored boxes (for DEBUGGING) around the actual output of the node is enabled | |
JKQTMathTextNode * | getParentNode () |
parent node of this node (i.e. one level up, ode nullptr ) | |
const JKQTMathTextNode * | getParentNode () const |
parent node of this node (i.e. one level up, ode nullptr ) | |
JKQTMathTextNodeSize | getSize (QPainter &painter, JKQTMathTextEnvironment currentEv) const |
determine the size of the node, calls getSizeInternal() implementation of the actual type | |
bool | isSubSuperscriptAboveBelowNode () const |
if true then following sub- and/or superscripts are placed below and above the node, not besides it. This is activated when \sum\limits_{sub}^{sup} is used in LaTeX instead of simply \sum_{sub}^{sup} | |
JKQTMathTextNode & | operator= (const JKQTMathTextNode &)=delete |
virtual void | setDrawBoxes (bool draw) |
enables the drawing of colored boxes (for DEBUGGING) around the actual output of the node | |
void | setParentNode (JKQTMathTextNode *node) |
parent node of this node (i.e. one level up, ode nullptr ) | |
void | setSubSuperscriptAboveBelowNode (bool __value) |
if true then following sub- and/or superscripts are placed below and above the node, not besides it. This is activated when \sum\limits_{sub}^{sup} is used in LaTeX instead of simply \sum_{sub}^{sup} | |
Static Public Member Functions | |
static Units | String2Units (QString type) |
converts Types type into a string | |
static QString | Units2String (Units type) |
converts Types type into a string | |
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static double | getNonItalicXCorretion (QPainter &painter, double width_potentiallyitalic, const JKQTMathTextEnvironment &ev_potentiallyitalic, const JKQTMathTextNode *child) |
calculates the x-size-difference between the given (probably) italic (width externally calculated: width_potentiallyitalic, ev_potentiallyitalic) and the non-italic version of child | |
Protected Member Functions | |
virtual JKQTMathTextNodeSize | getSizeInternal (QPainter &painter, JKQTMathTextEnvironment currentEv) const override |
determine the size of the node, overwrite this function in derived classes | |
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void | addToErrorList (const QString &error) |
adds a new error to the JKQTMathText referenced by parentMathText | |
void | doDrawBoxes (QPainter &painter, double x, double y, const JKQTMathTextNodeSize &size) const |
draws colored boxes (for DEBUGGING) around the actual output of the node | |
void | doDrawBoxes (QPainter &painter, double x, double y, JKQTMathTextEnvironment currentEv) const |
draws colored boxes (for DEBUGGING) around the actual output of the node | |
template<class T > | |
QList< T * > | getParents () |
returns the list of parent, parent-of-parent, ... that can be cast to type T | |
template<class T > | |
QList< const T * > | getParents () const |
returns the list of parent, parent-of-parent, ... that can be cast to type T | |
Protected Attributes | |
double | height |
height of the (empty) box, units of this value defined in heightUnit | |
Units | heightUnit |
units to interpret height | |
double | width |
width of the (empty) box, units of this value defined in widthUnit | |
Units | widthUnit |
units to interpret width | |
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bool | drawBoxes |
enables the drawing of colored boxes (for DEBUGGING) around the actual output of the node | |
JKQTMathText * | parentMathText |
parent JKQTMathText object (required for several drawing operations | |
JKQTMathTextNode * | parentNode |
parent node of this node (i.e. one level up, ode nullptr ) | |
bool | subSuperscriptAboveBelowNode |
if true then following sub- and/or superscripts are placed below and above the node, not besides it. This is activated when \sum\limits_{sub}^{sup} is used in LaTeX instead of simply \sum_{sub}^{sup} | |
subclass representing an empty bbox with defined width/height in the syntax tree
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explicit |
constructs a node
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overridevirtual |
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overridevirtual |
draw the contents at the designated position
painter | QPainter to use |
x | x-position, where the drawing starts [Pixel] |
y | Y-position of the baseline, where the drawing starts [Pixel] |
currentEv | JKQTMathTextEnvironment object describing the current drawing environment/settings |
Implements JKQTMathTextNode.
double JKQTMathTextEmptyBoxNode::getHeight | ( | ) | const |
height of the (empty) box, units of this value defined in heightUnit
Units JKQTMathTextEmptyBoxNode::getHeightUnit | ( | ) | const |
units to interpret height
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overrideprotectedvirtual |
determine the size of the node, overwrite this function in derived classes
painter | painter to use for determining the size |
currentEv | current environment object |
Implements JKQTMathTextNode.
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overridevirtual |
return the name of this class as a string
Reimplemented from JKQTMathTextNode.
double JKQTMathTextEmptyBoxNode::getWidth | ( | ) | const |
width of the (empty) box, units of this value defined in widthUnit
Units JKQTMathTextEmptyBoxNode::getWidthUnit | ( | ) | const |
units to interpret width
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static |
converts Types type into a string
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overridevirtual |
convert node to HTML and returns true
on success
[out] | html | new HTML code is APPENDED to this string |
currentEv | JKQTMathTextEnvironment object describing the current drawing environment/settings | |
defaultEv | JKQTMathTextEnvironment object describing the default drawing environment/settings when starting to interpret a node tree |
true
on success Reimplemented from JKQTMathTextNode.
double JKQTMathTextEmptyBoxNode::Units2PixelWidth | ( | double | value, |
Units | unit, | ||
JKQTMathTextEnvironment | currentEv, | ||
QPaintDevice * | pd | ||
) | const |
converts Types type into its width in pixels, based on currentEv and pd
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static |
converts Types type into a string
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protected |
height of the (empty) box, units of this value defined in heightUnit
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protected |
units to interpret height
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protected |
width of the (empty) box, units of this value defined in widthUnit
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protected |
units to interpret width