#include <curvegraph.hpp>

Inheritance diagram for fcn::CurveGraph:

Public Member Functions
	CurveGraph ()
	CurveGraph (CurveGraph &&)=delete
	CurveGraph (CurveGraph const &)=delete
	CurveGraph (PointVector data)
void	draw (Graphics *graphics) override
PointVector const &	getPointVector () const
unsigned int	getThickness () const
bool	isAutomaticControlPoints () const
bool	isOpaque () const
CurveGraph &	operator= (CurveGraph &&)=delete
CurveGraph &	operator= (CurveGraph const &)=delete
void	resetPointVector ()
void	setAutomaticControlPoints (bool acp)
void	setOpaque (bool opaque)
void	setPointVector (PointVector const &data)
void	setThickness (unsigned int thickness)
Public Member Functions inherited from fcn::Widget
virtual void	_draw (Graphics *graphics)
virtual FocusHandler *	_getFocusHandler ()
virtual std::list< FocusListener * > const &	_getFocusListeners ()
virtual FocusHandler *	_getInternalFocusHandler ()
virtual std::list< KeyListener * > const &	_getKeyListeners ()
virtual std::list< MouseListener * > const &	_getMouseListeners ()
virtual void	_logic ()
virtual void	_setFocusHandler (FocusHandler *focusHandler)
virtual void	_setParent (Widget *parent)
void	adaptLayout ()
virtual void	adaptLayout (bool top)
void	addActionListener (ActionListener *actionListener)
void	addDeathListener (DeathListener *deathListener)
void	addDropTargetListener (DropTargetListener *listener)
void	addFocusListener (FocusListener *focusListener)
void	addKeyListener (KeyListener *keyListener)
void	addMouseListener (MouseListener *mouseListener)
void	addWidgetListener (WidgetListener *widgetListener)
virtual void	adjustSize ()
bool	captureMouse ()
bool	contains (int x, int y) const
virtual void	drawBorder (Graphics *graphics)
void	drawBorder (Graphics *graphics, unsigned int sides) const
virtual void	drawOutline (Graphics *graphics)
virtual void	drawSelectionFrame (Graphics *graphics)
void	expandContent ()
virtual void	expandContent (bool recursion)
virtual void	focusNext ()
virtual void	focusPrevious ()
virtual void	fontChanged ()
virtual void	getAbsolutePosition (int &x, int &y) const
std::string const &	getActionEventId () const
Color const &	getBackgroundColor () const
Color const &	getBaseColor () const
Color const &	getBorderColor () const
unsigned int	getBorderSides () const
unsigned int	getBorderSize () const
unsigned int	getBorderStyle () const
virtual Rectangle	getChildrenArea ()
unsigned int	getChildrenCount () const
Rectangle const &	getDimension () const
Size const &	getFixedSize () const
Font *	getFont () const
Color const &	getForegroundColor () const
int	getHeight () const
std::string const &	getId () const
void	getLastPosition (int &x, int &y) const
int	getMarginBottom () const
int	getMarginLeft () const
int	getMarginRight () const
int	getMarginTop () const
Size const &	getMaxSize () const
Size const &	getMinSize () const
Color const &	getOutlineColor () const
unsigned int	getOutlineSize () const
unsigned int	getPaddingBottom () const
unsigned int	getPaddingLeft () const
unsigned int	getPaddingRight () const
unsigned int	getPaddingTop () const
virtual Widget *	getParent () const
Color const &	getSelectionColor () const
SelectionMode	getSelectionMode () const
virtual Widget *	getTop () const
unsigned int	getVisibleChildrenCount () const
Widget *	getWidgetAt (int x, int y)
virtual Widget *	getWidgetAt (int x, int y, Widget *exclude)
std::list< Widget * >	getWidgetsIn (Rectangle const &area)
virtual std::list< Widget * >	getWidgetsIn (Rectangle const &area, Widget *ignore)
int	getWidth () const
int	getX () const
int	getY () const
bool	hasMouseCapture () const
bool	isDescendantOf (Widget const *ancestor) const noexcept
bool	isEnabled () const
bool	isFixedSize () const
bool	isFocusable () const
virtual bool	isFocused () const
bool	isHorizontalExpand () const
bool	isInsideActiveMouseModal () const noexcept
bool	isLastPositionSet () const
virtual bool	isLayouted ()
virtual bool	isModalFocusable () const
virtual bool	isModalFocused () const
virtual bool	isModalMouseInputFocusable () const
bool	isMouseInside (MouseEvent const &mouseEvent) const
bool	isSetVisible () const
bool	isTabInEnabled () const
bool	isTabOutEnabled () const
virtual bool	isUnderMouseModal () const
bool	isVerticalExpand () const
bool	isVisible () const
virtual void	logic ()
virtual void	moveToBottom (Widget *widget)
virtual void	moveToTop (Widget *widget)
virtual void	onFocusChanged ()
virtual void	onFocusGained ()
virtual void	onFocusLost ()
Widget &	operator= (Widget &&)=delete
Widget &	operator= (Widget const &)=delete
void	releaseMouse ()
void	removeActionListener (ActionListener *actionListener)
void	removeDeathListener (DeathListener *deathListener)
void	removeDropTargetListener (DropTargetListener *listener)
void	removeFocusListener (FocusListener *focusListener)
void	removeKeyListener (KeyListener *keyListener)
void	removeMouseListener (MouseListener *mouseListener)
void	removeWidgetListener (WidgetListener *widgetListener)
virtual void	requestFocus ()
virtual void	requestMoveToBottom ()
virtual void	requestMoveToTop ()
virtual void	resizeToContent (bool recursion=true)
void	setActionEventId (std::string const &actionEventId)
virtual void	setBackgroundColor (Color const &color)
virtual void	setBaseColor (Color const &color)
void	setBorderBottom (unsigned int size, unsigned int style)
virtual void	setBorderColor (Color const &color)
void	setBorderSides (unsigned int sides)
void	setBorderSize (unsigned int size)
void	setBorderStyle (unsigned int style)
void	setBorderTop (unsigned int size, unsigned int style)
virtual void	setDimension (Rectangle const &dimension)
void	setEnabled (bool enabled)
void	setFixedSize (Size const &size)
void	setFocusable (bool focusable)
virtual void	setFocused (bool focused)
virtual void	setFont (Font *font)
virtual void	setForegroundColor (Color const &color)
virtual void	setHeight (int height)
void	setHorizontalExpand (bool expand)
void	setId (std::string const &id)
void	setInternalFocusHandler (FocusHandler *internalFocusHandler)
void	setLastPosition (int x, int y)
void	setMargin (int margin)
void	setMarginBottom (int margin)
void	setMarginLeft (int margin)
void	setMarginRight (int margin)
void	setMarginTop (int margin)
void	setMaxSize (Size const &size)
void	setMinSize (Size const &size)
virtual void	setOutlineColor (Color const &color)
void	setOutlineSize (unsigned int size)
void	setPadding (unsigned int padding)
void	setPaddingBottom (unsigned int padding)
void	setPaddingLeft (unsigned int padding)
void	setPaddingRight (unsigned int padding)
void	setPaddingTop (unsigned int padding)
void	setPosition (int x, int y)
virtual void	setSelectionColor (Color const &color)
virtual void	setSelectionMode (SelectionMode mode)
virtual void	setSize (int width, int height)
void	setTabInEnabled (bool enabled)
void	setTabOutEnabled (bool enabled)
void	setVerticalExpand (bool expand)
void	setVisible (bool visible)
virtual void	setWidth (int width)
void	setX (int x)
void	setY (int y)
virtual void	showPart (Rectangle rectangle)
virtual void	showWidgetPart (Widget *widget, Rectangle area)
virtual void	textInput (TextInputEvent &event)
	Widget ()
	Widget (Widget &&)=delete
	Widget (Widget const &)=delete

Protected Member Functions
void	update ()
Protected Member Functions inherited from fcn::Widget
void	add (Widget *widget)
void	calculateSize ()
void	distributeActionEvent ()
void	distributeAncestorHiddenEvent (Widget *ancestor)
void	distributeAncestorMovedEvent (Widget *ancestor)
void	distributeAncestorShownEvent (Widget *ancestor)
void	distributeDragDrop (DragEvent &event)
bool	distributeDragEnter (DragEvent &event)
void	distributeDragHover (DragEvent &event)
void	distributeDragLeave (DragEvent &event)
void	distributeHiddenEvent ()
void	distributeMovedEvent ()
void	distributeResizedEvent ()
void	distributeShownEvent ()
virtual Widget *	findWidgetById (std::string const &id)
std::list< Widget * > const &	getChildren () const
virtual void	remove (Widget *widget)
virtual void	removeAllChildren ()
void	resizeToChildren ()

Static Protected Member Functions
static void	addControlPoints (PointVector const &points, PointVector &newPoints)
static Point	getBezierPoint (PointVector const &points, int elements, float t)

Protected Attributes
bool	m_acp {true}
PointVector	m_curveData
PointVector	m_data
bool	m_needUpdate {false}
bool	m_opaque {false}
unsigned int	m_thickness {1}
Protected Attributes inherited from fcn::Widget
std::string	mActionEventId
std::list< ActionListener * >	mActionListeners
Color	mBackgroundColor {0xf9fafb}
Color	mBaseColor {0xe5e7eb}
Color	mBorderColor {0xd1d5db}
unsigned int	mBorderSides {BORDER_ALL}
unsigned int	mBorderSize {0}
unsigned int	mBorderStyle {BORDER_STYLE_FLAT}
std::list< Widget * >	mChildren
Font *	mCurrentFont {nullptr}
std::list< DeathListener * >	mDeathListeners
Rectangle	mDimension
std::list< DropTargetListener * >	mDropTargetListeners
bool	mEnabled {true}
Size	mFixedSize {-1, -1}
bool	mFixedSizeUsed {false}
bool	mFocusable {false}
bool	mFocused {false}
FocusHandler *	mFocusHandler {nullptr}
std::list< FocusListener * >	mFocusListeners
Color	mForegroundColor {0x1f2933}
bool	mHExpand {false}
std::string	mId
FocusHandler *	mInternalFocusHandler {nullptr}
std::list< KeyListener * >	mKeyListeners
int	mLastX {0}
int	mLastY {0}
int	mMarginBottom {0}
int	mMarginLeft {0}
int	mMarginRight {0}
int	mMarginTop {0}
Size	mMaxSize {std::numeric_limits<int>::max(), std::numeric_limits<int>::max()}
Size	mMinSize {0, 0}
std::list< MouseListener * >	mMouseListeners
Rectangle	mOffsetRect
Color	mOutlineColor {0x9ca3af}
unsigned int	mOutlineSize {0}
unsigned int	mPaddingBottom {0}
unsigned int	mPaddingLeft {0}
unsigned int	mPaddingRight {0}
unsigned int	mPaddingTop {0}
Widget *	mParent {nullptr}
Color	mSelectionColor {0x3b82f6}
SelectionMode	mSelectionMode {SelectionMode::None}
bool	mTabIn {true}
bool	mTabOut {true}
bool	mVExpand {false}
bool	mVisible {true}
std::list< WidgetListener * >	mWidgetListeners

Additional Inherited Members
Public Types inherited from fcn::Widget
enum	BorderSide : uint8_t { BORDER_NONE = 0 , BORDER_LEFT = 1 << 0 , BORDER_TOP = 1 << 1 , BORDER_RIGHT = 1 << 2 , BORDER_BOTTOM = 1 << 3 , BORDER_ALL = BORDER_LEFT \| BORDER_TOP \| BORDER_RIGHT \| BORDER_BOTTOM }
enum	BorderStyle : uint8_t { BORDER_STYLE_BEVEL = 0 , BORDER_STYLE_FLAT = 1 }
enum class	SelectionMode : uint8_t { None = 0 , Border = 1 , Background = 2 }
Static Public Member Functions inherited from fcn::Widget
static DeathListener *	_getGuiDeathListener ()
static VisibilityEventHandler *	_getVisibilityEventHandler ()
static void	_setGuiDeathListener (DeathListener *deathListener)
static void	_setVisibilityEventHandler (VisibilityEventHandler *visibilityEventHandler)
static Widget *	getMouseCapture ()
static void	resetGlobalFont ()
static void	setGlobalFont (Font *font)
static bool	widgetExists (Widget const *widget)
Static Protected Attributes inherited from fcn::Widget
static DefaultFont	mDefaultFont
static Font *	mGlobalFont = nullptr
static DeathListener *	mGuiDeathListener = nullptr
static VisibilityEventHandler *	mVisibilityEventHandler = nullptr
static std::list< Widget * >	mWidgetInstances
static Widget *	sMouseCapture = nullptr

Detailed Description

Displays data as a smooth curve based on a vector of points.

The graph can be set to be opaque or not with setOpaque. If the graph is opaque, it will be drawn with a solid color, otherwise it will be drawn with a transparent color.

Definition at line 25 of file curvegraph.hpp.

Constructor & Destructor Documentation

◆ CurveGraph()

fcn::CurveGraph::CurveGraph ( PointVector data )

explicit

Construct with initial data points.

Parameters

data	The initial vector of points to be used for drawing the curve.

Definition at line 24 of file curvegraph.cpp.

References m_data.

Member Function Documentation

◆ addControlPoints()

void fcn::CurveGraph::addControlPoints	(	PointVector const &	points,
		PointVector &	newPoints )

staticprotected

Helper that adds the control points for bezier curves.

Parameters

points	The control points for the bezier curve.
newPoints	The vector to which the new control points will be added.

Definition at line 211 of file curvegraph.cpp.

Referenced by CurveGraph(), and update().

◆ draw()

void fcn::CurveGraph::draw ( Graphics * graphics )

overridevirtual

Draws this widget.

Parameters

graphics A graphics object to draw with.

Implements fcn::Widget.

Definition at line 77 of file curvegraph.cpp.

References fcn::Widget::drawBorder(), fcn::Graphics::drawPolyLine(), fcn::Graphics::drawRoundStroke(), fcn::Widget::drawSelectionFrame(), fcn::Graphics::fillRectangle(), fcn::Widget::getBackgroundColor(), fcn::Widget::getBaseColor(), fcn::Widget::getBorderSize(), fcn::Widget::getHeight(), fcn::Widget::getSelectionColor(), fcn::Widget::getSelectionMode(), fcn::Widget::getWidth(), fcn::Widget::isFocused(), isOpaque(), m_curveData, m_needUpdate, m_thickness, fcn::Graphics::setColor(), and update().

Referenced by CurveGraph().

◆ getBezierPoint()

Point fcn::CurveGraph::getBezierPoint	(	PointVector const &	points,
		int	elements,
		float	t )

staticprotected

Helper that returns an interpolated Point.

Parameters

points	The control points for the bezier curve.
elements	The number of control points.
t	The interpolation parameter, between 0 and 1.

Definition at line 167 of file curvegraph.cpp.

References fcn::Math< double >::Pow().

Referenced by CurveGraph(), and update().

◆ getPointVector()

PointVector const & fcn::CurveGraph::getPointVector ( ) const

Get the current point vector.

Definition at line 34 of file curvegraph.cpp.

References m_data.

Referenced by CurveGraph().

◆ getThickness()

unsigned int fcn::CurveGraph::getThickness ( ) const

Get stroke thickness in pixels.

Definition at line 51 of file curvegraph.cpp.

References m_thickness.

Referenced by CurveGraph().

◆ isAutomaticControlPoints()

bool fcn::CurveGraph::isAutomaticControlPoints ( ) const

Return whether automatic control points are enabled.

Definition at line 62 of file curvegraph.cpp.

References m_acp.

Referenced by CurveGraph().

◆ isOpaque()

bool fcn::CurveGraph::isOpaque ( ) const

Returns: Whether this graph is opaque or not.

Definition at line 72 of file curvegraph.cpp.

References m_opaque.

Referenced by CurveGraph(), and draw().

◆ resetPointVector()

void fcn::CurveGraph::resetPointVector ( )

Reset the stored data to an empty vector.

Definition at line 39 of file curvegraph.cpp.

References m_data, and m_needUpdate.

Referenced by CurveGraph().

◆ setAutomaticControlPoints()

void fcn::CurveGraph::setAutomaticControlPoints ( bool acp )

Enable/disable automatic computation of bezier control points.

Parameters

acp	True to enable automatic control points, false to disable.

Definition at line 56 of file curvegraph.cpp.

References m_acp, and m_needUpdate.

Referenced by CurveGraph().

◆ setOpaque()

void fcn::CurveGraph::setOpaque ( bool opaque )

Sets the opacity of the graph.

Parameters

opaque True if opaque, false otherwise.

Definition at line 67 of file curvegraph.cpp.

References m_opaque.

Referenced by CurveGraph().

◆ setPointVector()

void fcn::CurveGraph::setPointVector ( PointVector const & data )

Set the raw point vector used to draw the curve.

Parameters

data	The vector of points to be used for drawing the curve.

Definition at line 28 of file curvegraph.cpp.

References m_data, and m_needUpdate.

Referenced by CurveGraph().

◆ setThickness()

void fcn::CurveGraph::setThickness ( unsigned int thickness )

Set stroke thickness in pixels.

Parameters

thickness The thickness of the stroke in pixels.

Definition at line 45 of file curvegraph.cpp.

References m_needUpdate, and m_thickness.

Referenced by CurveGraph().

◆ update()

void fcn::CurveGraph::update ( )

protected

Precalculate bezier curve.

Definition at line 126 of file curvegraph.cpp.

References addControlPoints(), getBezierPoint(), m_acp, m_curveData, m_data, m_needUpdate, m_thickness, and fcn::Math< float >::Sqrt().

Referenced by CurveGraph(), and draw().

Member Data Documentation

◆ m_acp

bool fcn::CurveGraph::m_acp {true}

protected

Whether automatic control points are enabled.

Definition at line 124 of file curvegraph.hpp.

Referenced by isAutomaticControlPoints(), setAutomaticControlPoints(), and update().

◆ m_curveData

PointVector fcn::CurveGraph::m_curveData

protected

Precalculated curve points (bezier/interpolated).

Definition at line 136 of file curvegraph.hpp.

Referenced by draw(), and update().

◆ m_data

PointVector fcn::CurveGraph::m_data

protected

Raw input point data.

Definition at line 133 of file curvegraph.hpp.

Referenced by CurveGraph(), getPointVector(), resetPointVector(), setPointVector(), and update().

◆ m_needUpdate

bool fcn::CurveGraph::m_needUpdate {false}

protected

Internal flag marking that the precalculated curve data needs update.

Definition at line 127 of file curvegraph.hpp.

Referenced by draw(), resetPointVector(), setAutomaticControlPoints(), setPointVector(), setThickness(), and update().

◆ m_opaque

bool fcn::CurveGraph::m_opaque {false}

protected

True if the curve is drawn opaque.

Definition at line 121 of file curvegraph.hpp.

Referenced by isOpaque(), and setOpaque().

◆ m_thickness

unsigned int fcn::CurveGraph::m_thickness {1}

protected

Stroke thickness in pixels.

Definition at line 130 of file curvegraph.hpp.

Referenced by draw(), getThickness(), setThickness(), and update().

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

Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ CurveGraph()

Member Function Documentation

◆ addControlPoints()

◆ draw()

◆ getBezierPoint()

◆ getPointVector()

◆ getThickness()

◆ isAutomaticControlPoints()

◆ isOpaque()

◆ resetPointVector()

◆ setAutomaticControlPoints()

◆ setOpaque()

◆ setPointVector()

◆ setThickness()

◆ update()

Member Data Documentation

◆ m_acp

◆ m_curveData

◆ m_data

◆ m_needUpdate

◆ m_opaque

◆ m_thickness