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GraphWrapAndOverwriteData

A continuous data graph which will fill the graph with elements, and overwrite the first elements with new values after the graph has filled. There will be a gap between the newly inserted element and the element after. This similar behavior to a heart beat monitor.

Inherits from: DynamicDataGraph, AbstractDataGraph, Container, Drawable

Inherited by: GraphWrapAndOverwrite< CAPACITY >

Public Functions

virtual voidclear()
Clears the graph to its blank/initial state.
GraphWrapAndOverwriteData(int16_t capacity, int * values)
Initializes a new instance of the GraphWrapAndOverwriteData class.
virtual int32_tindexToGlobalIndex(int16_t index) const
Convert an index to global index.

Protected Functions

virtual int16_taddValue(int value)
Adds a value to the internal data array and keeps track of when graph points, graph axis and the entire graph needs to be redrawn (invalidated).
virtual voidbeforeAddValue()
This function is called before a new value (data point) is added.

Protected Attributes

int16_tcurrent
The current index (used to keep track of where to insert new data point in value array)

Additional inherited members

Public Functions inherited from DynamicDataGraph

FORCE_INLINE_FUNCTION int16_taddDataPoint(float y)
Adds a new data point to the end of the graph.
FORCE_INLINE_FUNCTION int16_taddDataPoint(int y)
Adds a new data point to the end of the graph.
int16_taddDataPointScaled(int y)
Adds a new data point to the end of the graph.
DynamicDataGraph(int16_t capacity, int * values)
Initializes a new instance of the AbstractDataGraphWithY class.
virtual intgetGraphRangeXMax() const
Gets the maximum x coordinate for the graph.
virtual intgetGraphRangeXMin() const
Gets the minimum x coordinate for the graph.
virtual intgetScale() const
Gets the scaling factor previously set using setScale().
virtual floatgetXAxisFactorAsFloat() const
Get x coordinate axis factor value.
virtual intgetXAxisFactorAsInt() const
Get x coordinate axis factor value.
virtual intgetXAxisFactorScaled() const
Get x axis factor as a scaled value.
virtual floatgetXAxisOffsetAsFloat() const
Get x coordinate axis offset value.
virtual intgetXAxisOffsetAsInt() const
Get x coordinate axis offset value.
virtual intgetXAxisOffsetScaled() const
Get x axis offset as a scaled value.
virtual intindexToDataPointXScaled(int16_t index) const
Gets data point x coordinate scaled.
virtual intindexToDataPointYScaled(int16_t index) const
Gets data point y coordinate scaled.
virtual voidsetGraphRangeXAutoScaled(bool showYaxis, int margin)
Automatically adjust min and max x coordinate to show entire graph.
virtual voidsetGraphRangeYAutoScaled(bool showXaxis, int margin)
Automatic adjust min and max y coordinate to show entire graph.
virtual voidsetScale(int scale, bool updateData =false)
Sets a scaling factor to be multiplied on each added element.
virtual voidsetXAxisFactor(float factor)
Set x coordinate axis factor value.
virtual voidsetXAxisFactor(int factor)
Set x coordinate axis factor value.
virtual voidsetXAxisFactorScaled(int factor)
Set x coordinate axis factor value using a pre-scaled value.
virtual voidsetXAxisOffset(float offset)
Set x coordinate axis offset value.
virtual voidsetXAxisOffset(int offset)
Set x coordinate axis offset value.
virtual voidsetXAxisOffsetScaled(int offset)
Set x coordinate axis offset value with a pre-scaled offset value.

Protected Functions inherited from DynamicDataGraph

virtual int16_tdataIndex(int16_t screenIndex) const
Get the data index in the yValues array of the given screen index.
virtual intgetScaleX() const
Gets the scaling factor previously set using setScaleX().
virtual intgetScaleY() const
Gets the scaling factor previously set using setScaleY().
virtual CWRUtil::Q5indexToScreenXQ5(int16_t index) const
Gets screen x coordinate for a specific data point added to the graph.
virtual CWRUtil::Q5indexToScreenYQ5(int16_t index) const
Gets screen y coordinate for a specific data point added to the graph.
virtual intindexToXAxis(const int valueScaled, const int labelScaled) const
Convert the given valueScaled (index) to x axis value.
virtual voidsetScaleX(int scale, bool updateData =false)
Sets a scaling factor to be multiplied on each X value added.
virtual voidsetScaleY(int scale, bool updateData =false)
Sets a scaling factor to be multiplied on each Y value added.
virtual boolxScreenRangeToIndexRange(int16_t xMin, int16_t xMax, int16_t & indexMin, int16_t & indexMax) const
Gets index range for screen x coordinate range taking the current graph range into account.

Protected Attributes inherited from DynamicDataGraph

uint32_tdataCounter
The data counter of how many times addDataPoint() has been called.
intxAxisFactor
The axis scale (real distance between two indices)
intxAxisOffset
The x axis offset (real value of data point at index 0)
int *yValues
The values of the graph.

Public Classes inherited from AbstractDataGraph

classGraphClickEvent
An object of this type is passed with each callback that is sent when the graph is clicked.
classGraphDragEvent
An object of this type is passed with each callback that is sent when the graph is dragged.

Public Functions inherited from AbstractDataGraph

AbstractDataGraph(int16_t capacity)
Initializes a new instance of the AbstractDataGraph class.
voidaddBottomElement(AbstractGraphDecoration & d)
Adds an element to be shown in the area below the graph.
voidaddGraphElement(AbstractGraphElement & d)
Adds a graph element which will display the graph.
voidaddLeftElement(AbstractGraphDecoration & d)
Adds an element to be shown in the area to the left of the graph.
voidaddRightElement(AbstractGraphDecoration & d)
Adds an element to be shown in the area to the right of the graph.
voidaddTopElement(AbstractGraphDecoration & d)
Adds an element to be shown in the area above the graph.
FORCE_INLINE_FUNCTION intfloat2scaledX(float f) const
Same as float2scaled(float, int) using the graph's x scale.
FORCE_INLINE_FUNCTION intfloat2scaledY(float f) const
Same as float2scaled(float, int) using the graph's y scale.
FORCE_INLINE_FUNCTION uint8_tgetAlpha() const
Gets the current alpha value of the widget.
FORCE_INLINE_FUNCTION int16_tgetGapBeforeIndex() const
Gets gap before index as set using setGapBeforeIndex().
FORCE_INLINE_FUNCTION int16_tgetGraphAreaHeight() const
Gets graph area height.
FORCE_INLINE_FUNCTION int16_tgetGraphAreaHeightIncludingPadding() const
Gets graph area height including padding (but not margin).
FORCE_INLINE_FUNCTION int16_tgetGraphAreaMarginBottom() const
Gets graph margin bottom.
FORCE_INLINE_FUNCTION int16_tgetGraphAreaMarginLeft() const
Gets graph margin left.
FORCE_INLINE_FUNCTION int16_tgetGraphAreaMarginRight() const
Gets graph margin right.
FORCE_INLINE_FUNCTION int16_tgetGraphAreaMarginTop() const
Gets graph margin top.
FORCE_INLINE_FUNCTION int16_tgetGraphAreaPaddingBottom() const
Gets graph area padding bottom.
FORCE_INLINE_FUNCTION int16_tgetGraphAreaPaddingLeft() const
Gets graph area padding left.
FORCE_INLINE_FUNCTION int16_tgetGraphAreaPaddingRight() const
Gets graph area padding right.
FORCE_INLINE_FUNCTION int16_tgetGraphAreaPaddingTop() const
Gets graph area padding top.
FORCE_INLINE_FUNCTION int16_tgetGraphAreaWidth() const
Gets graph area width.
FORCE_INLINE_FUNCTION int16_tgetGraphAreaWidthIncludingPadding() const
Gets graph area width including padding (but not margin).
virtual floatgetGraphRangeXMaxAsFloat() const
Gets maximum x value for the graph.
virtual intgetGraphRangeXMaxAsInt() const
Gets maximum x value for the graph.
virtual intgetGraphRangeXMaxScaled() const
Gets maximum x value for the graph.
virtual floatgetGraphRangeXMinAsFloat() const
Gets minimum x value for the graph.
virtual intgetGraphRangeXMinAsInt() const
Gets minimum x value for the graph.
virtual intgetGraphRangeXMinScaled() const
Gets minimum x value for the graph.
virtual floatgetGraphRangeYMaxAsFloat() const
Gets maximum y value for the graph.
virtual intgetGraphRangeYMaxAsInt() const
Gets maximum y value for the graph.
virtual intgetGraphRangeYMaxScaled() const
Gets maximum y value for the graph.
virtual floatgetGraphRangeYMinAsFloat() const
Gets minimum y value for the graph.
virtual intgetGraphRangeYMinAsInt() const
Gets minimum y value for the graph.
virtual intgetGraphRangeYMinScaled() const
Gets minimum y value for the graph.
FORCE_INLINE_FUNCTION int16_tgetMaxCapacity() const
Gets the capacity (max number of points) of the graph.
virtual boolgetNearestIndexForScreenX(int16_t x, int16_t & index) const
Gets graph index nearest to the given screen x value.
virtual boolgetNearestIndexForScreenXY(int16_t x, int16_t y, int16_t & index)
Gets graph index nearest to the given screen position.
virtual intgetScaleX() const
Gets the scaling factor previously set using setScaleX().
virtual intgetScaleY() const
Gets the scaling factor previously set using setScaleY().
FORCE_INLINE_FUNCTION int16_tgetUsedCapacity() const
Gets the number of point used by the graph.
virtual voidhandleClickEvent(const ClickEvent & event)
Defines the event handler interface for ClickEvents.
virtual voidhandleDragEvent(const DragEvent & event)
Defines the event handler interface for DragEvents.
FORCE_INLINE_FUNCTION voidindexToDataPoint(int16_t index, float & xvalue, float & yvalue) const
Gets data point as floating point values.
FORCE_INLINE_FUNCTION voidindexToDataPoint(int16_t index, int & xvalue, int & yvalue) const
Gets data point as integer values.
FORCE_INLINE_FUNCTION voidindexToDataPointScaled(int16_t index, int & xvalue, int & yvalue) const
Gets data point as raw (scaled) values.
FORCE_INLINE_FUNCTION floatindexToDataPointXAsFloat(int16_t index) const
Gets data point x coordinate as float.
FORCE_INLINE_FUNCTION intindexToDataPointXAsInt(int16_t index) const
Gets data point x coordinate as int.
virtual intindexToDataPointXScaled(int16_t index) const =0
Gets data point x coordinate scaled.
FORCE_INLINE_FUNCTION floatindexToDataPointYAsFloat(int16_t index) const
Gets data point y coordinate as float.
FORCE_INLINE_FUNCTION intindexToDataPointYAsInt(int16_t index) const
Gets data point y coordinate as int.
virtual intindexToDataPointYScaled(int16_t index) const =0
Gets data point y coordinate scaled.
FORCE_INLINE_FUNCTION int16_tindexToScreenX(int16_t index) const
Get the screen x coordinate for the given graph point index.
FORCE_INLINE_FUNCTION int16_tindexToScreenY(int16_t index) const
Get the screen y coordinate for the given graph point index.
FORCE_INLINE_FUNCTION intint2scaledX(int i) const
Same as int2scaled(int, int) using the graph's x scale.
FORCE_INLINE_FUNCTION intint2scaledY(int i) const
Same as int2scaled(int, int) using the graph's y scale.
virtual voidinvalidateContent() const
Invalidate content.
FORCE_INLINE_FUNCTION floatscaled2floatX(int i) const
Same as scaled2float(int, int) using the graph's x scale.
FORCE_INLINE_FUNCTION floatscaled2floatY(int i) const
Same as scaled2float(int, int) using the graph's y scale.
FORCE_INLINE_FUNCTION intscaled2intX(int i) const
Same as scaled2int(int, int) using the graph's x scale.
FORCE_INLINE_FUNCTION intscaled2intY(int i) const
Same as scaled2int(int, int) using the graph's y scale.
virtual voidsetAlpha(uint8_t newAlpha)
Sets the opacity (alpha value).
FORCE_INLINE_FUNCTION voidsetClickAction(GenericCallback< const AbstractDataGraph &, const GraphClickEvent & > & callback)
Sets an action to be executed when the graph is clicked.
FORCE_INLINE_FUNCTION voidsetDragAction(GenericCallback< const AbstractDataGraph &, const GraphDragEvent & > & callback)
Sets an action to be executed when the graph is dragged.
FORCE_INLINE_FUNCTION voidsetGapBeforeIndex(int16_t index)
Makes gap before the specified index.
voidsetGraphAreaMargin(int16_t top, int16_t left, int16_t right, int16_t bottom)
Sets graph position inside the widget by reserving a margin around the graph.
voidsetGraphAreaPadding(int16_t top, int16_t left, int16_t right, int16_t bottom)
Adds padding around the graph that will not be drawn in (apart from dots, boxes, lines etc.
FORCE_INLINE_FUNCTION voidsetGraphRange(float xMin, float xMax, float yMin, float yMax)
Sets minimum and maximum x and y coordinate ranges for the graph.
FORCE_INLINE_FUNCTION voidsetGraphRange(float xMin, float xMax, int yMin, int yMax)
Sets minimum and maximum x and y coordinate ranges for the graph.
FORCE_INLINE_FUNCTION voidsetGraphRange(int xMin, int xMax, float yMin, float yMax)
Sets minimum and maximum x and y coordinate ranges for the graph.
FORCE_INLINE_FUNCTION voidsetGraphRange(int xMin, int xMax, int yMin, int yMax)
Sets minimum and maximum x and y coordinate ranges for the graph.
FORCE_INLINE_FUNCTION voidsetGraphRangeScaled(int xMin, int xMax, int yMin, int yMax)
Same as setGraphRange(int, int, int, int) except the passed arguments are assumed scaled.
virtual voidsetGraphRangeX(float min, float max)
Sets minimum and maximum x coordinates for the graph.
virtual voidsetGraphRangeX(int min, int max)
Sets minimum and maximum x coordinates for the graph.
virtual voidsetGraphRangeXAuto(bool showYaxis, float margin)
Automatically adjust min and max x coordinate to show entire graph.
virtual voidsetGraphRangeXAuto(bool showYaxis =true, int margin =0)
Automatically adjust min and max x coordinate to show entire graph.
virtual voidsetGraphRangeXAutoScaled(bool showYaxis, int margin) =0
Automatically adjust min and max x coordinate to show entire graph.
virtual voidsetGraphRangeXScaled(int min, int max)
Sets minimum and maximum x coordinates for the graph.
virtual voidsetGraphRangeY(float min, float max)
Sets minimum and maximum y coordinates for the graph.
virtual voidsetGraphRangeY(int min, int max)
Sets minimum and maximum y coordinates for the graph.
virtual voidsetGraphRangeYAuto(bool showXaxis, float margin)
Automatic adjust min and max y coordinate to show entire graph.
virtual voidsetGraphRangeYAuto(bool showXaxis =true, int margin =0)
Automatic adjust min and max y coordinate to show entire graph.
virtual voidsetGraphRangeYAutoScaled(bool showXaxis, int margin) =0
Automatic adjust min and max y coordinate to show entire graph.
virtual voidsetGraphRangeYScaled(int min, int max)
Same as setGraphRangeY(int, int) except the passed arguments are assumed scaled.
virtual voidsetHeight(int16_t height)
Sets the height of this drawable.
virtual voidsetScaleX(int scale, bool updateData =false)
Sets a scaling factor to be multiplied on each X value added.
virtual voidsetScaleY(int scale, bool updateData =false)
Sets a scaling factor to be multiplied on each Y value added.
virtual voidsetWidth(int16_t width)
Sets the width of this drawable.
intconvertToNewScale(int value, int oldScale, int newScale)
Converts a value from one scale to another scale.
FORCE_INLINE_FUNCTION intfloat2scaled(float f, int scale)
Multiply a floating point value with a constant and round the result.
FORCE_INLINE_FUNCTION intint2scaled(int i, int scale)
Multiply an integer value with a constant.
FORCE_INLINE_FUNCTION floatscaled2float(int i, int scale)
Divide a floating point number with a constant.
FORCE_INLINE_FUNCTION intscaled2int(int i, int scale)
Divide an integer with a constant and round the result.

Protected Functions inherited from AbstractDataGraph

virtual CWRUtil::Q5indexToScreenXQ5(int16_t index) const =0
Gets screen x coordinate for a specific data point added to the graph.
virtual CWRUtil::Q5indexToScreenYQ5(int16_t index) const =0
Gets screen y coordinate for a specific data point added to the graph.
virtual intindexToXAxis(const int valueScaled, const int labelScaled) const =0
Convert the given valueScaled (index) to x axis value.
voidinvalidateAllXAxisPoints()
Invalidate all x axis points.
FORCE_INLINE_FUNCTION voidinvalidateGraphArea() const
Invalidate entire graph area (the center of the graph).
voidinvalidateGraphPointAt(int16_t index)
Invalidate point at a given index.
voidinvalidateXAxisPointAt(int16_t index)
Invalidate x axis point at the given index.
voidupdateAreasPosition()
Updates the position of all elements in all area after a change in size of the graph area and/or label padding.
virtual CWRUtil::Q5valueToScreenXQ5(int x) const
Gets screen x coordinate for an absolute value.
virtual CWRUtil::Q5valueToScreenYQ5(int y) const
Gets screen y coordinate for an absolute value.
virtual boolxScreenRangeToIndexRange(int16_t xMin, int16_t xMax, int16_t & indexMin, int16_t & indexMax) const =0
Gets index range for screen x coordinate range taking the current graph range into account.

Protected Attributes inherited from AbstractDataGraph

uint8_talpha
The alpha of the entire graph.
ContainerbottomArea
The area below the graph.
int16_tbottomPadding
The graph area bottom padding.
GenericCallback< const AbstractDataGraph &, const GraphClickEvent & > *clickAction
The callback to be executed when this Graph is clicked.
GenericCallback< const AbstractDataGraph &, const GraphDragEvent & > *dragAction
The callback to be executed when this Graph is dragged.
int16_tgapBeforeIndex
The graph is disconnected (there is a gap) before this element index.
ContainergraphArea
The graph area (the center area)
intgraphRangeMaxX
The graph range maximum x coordinate.
intgraphRangeMaxY
The graph range maximum y coordinate.
intgraphRangeMinX
The graph range minimum x coordinate.
intgraphRangeMinY
The graph range minimum y coordinate.
ContainerleftArea
The area to the left of the graph.
int16_tleftPadding
The graph area left padding.
int16_tmaxCapacity
Maximum number of points in the graph.
ContainerrightArea
The area to the right of the graph.
int16_trightPadding
The graph area right padding.
ContainertopArea
The area above the graph.
int16_ttopPadding
The graph area top padding.
int16_tusedCapacity
The number of used points in the graph.
intxScale
The data scale for the x values.
intyScale
The data scale for the y values.

Public Functions inherited from Container

virtual voidadd(Drawable & d)
Adds a Drawable instance as child to this Container.
Container()
virtual boolcontains(const Drawable & d)
Query if a given Drawable has been added directly to this Container.
virtual voiddraw(const Rect & invalidatedArea) const
Draw this drawable.
virtual voidforEachChild(GenericCallback< Drawable & > * function)
Executes the specified callback function for each child in the Container.
virtual Drawable *getFirstChild()
Obtain a pointer to the first child of this container.
virtual voidgetLastChild(int16_t x, int16_t y, Drawable ** last)
Gets the last child in the list of children in this Container.
virtual voidgetLastChildNear(int16_t x, int16_t y, Drawable * last, int16_t fingerAdjustmentX, int16_t * fingerAdjustmentY)
Works similar to getLastChild() but also considers the current set finger size in HAL.
virtual RectgetSolidRect() const
Get (the largest possible) rectangle that is guaranteed to be solid (opaque).
virtual voidinsert(Drawable * previous, Drawable & d)
Inserts a Drawable after a specific child node.
virtual voidinvalidateContent() const
Tell the framework that the contents of the Drawable needs to be redrawn.
virtual voidremove(Drawable & d)
Removes a Drawable from the container by removing it from the linked list of children.
virtual voidremoveAll()
Removes all children in the Container by resetting their parent and sibling pointers.
virtual voidunlink()
Removes all children by unlinking the first child.

Protected Functions inherited from Container

virtual RectgetContainedArea() const
Gets a rectangle describing the total area covered by the children of this container.
virtual voidmoveChildrenRelative(int16_t deltaX, int16_t deltaY)
Calls moveRelative on all children.

Protected Attributes inherited from Container

Drawable *firstChild
Pointer to the first child of this container. Subsequent children can be found through firstChild's nextSibling.

Public Functions inherited from Drawable

voidcenter()
Centers the Drawable inside its parent.
voidcenterX()
Center the Drawable horizontally inside its parent.
voidcenterY()
Center the Drawable vertically inside its parent.
virtual voidchildGeometryChanged()
This function can be called on parent nodes to signal that the size or position of one or more of its children has changed.
virtual voiddraw(const Rect & invalidatedArea) const =0
Draw this drawable.
Drawable()
Initializes a new instance of the Drawable class.
voiddrawToDynamicBitmap(BitmapId id)
Render the Drawable object into a dynamic bitmap.
voidexpand(int margin =0)
Expands the Drawable to have the same size as its parent with a given margin around the edge.
RectgetAbsoluteRect() const
Helper function for obtaining the rectangle this Drawable covers, expressed in absolute coordinates.
virtual Drawable *getFirstChild()
Function for obtaining the first child of this drawable if any.
int16_tgetHeight() const
Gets the height of this Drawable.
virtual voidgetLastChild(int16_t x, int16_t y, Drawable ** last) =0
Function for obtaining the the last child of this drawable that intersects with the specified point.
Drawable *getNextSibling()
Gets the next sibling node.
Drawable *getParent() const
Returns the parent node.
const Rect &getRect() const
Gets the rectangle this Drawable covers, in coordinates relative to its parent.
virtual RectgetSolidRect() const =0
Get (the largest possible) rectangle that is guaranteed to be solid (opaque).
virtual RectgetSolidRectAbsolute()
Helper function for obtaining the largest solid rect (as implemented by getSolidRect()) expressed in absolute coordinates.
virtual voidgetVisibleRect(Rect & rect) const
Function for finding the visible part of this drawable.
int16_tgetWidth() const
Gets the width of this Drawable.
int16_tgetX() const
Gets the x coordinate of this Drawable, relative to its parent.
int16_tgetY() const
Gets the y coordinate of this Drawable, relative to its parent.
virtual voidhandleClickEvent(const ClickEvent & event)
Defines the event handler interface for ClickEvents.
virtual voidhandleDragEvent(const DragEvent & event)
Defines the event handler interface for DragEvents.
virtual voidhandleGestureEvent(const GestureEvent & event)
Defines the event handler interface for GestureEvents.
virtual voidhandleTickEvent()
Called periodically by the framework if the Drawable instance has subscribed to timer ticks.
virtual voidinvalidate() const
Tell the framework that this entire Drawable needs to be redrawn.
virtual voidinvalidateContent() const
Tell the framework that the contents of the Drawable needs to be redrawn.
virtual voidinvalidateRect(Rect & invalidatedArea) const
Request that a region of this drawable is redrawn.
boolisTouchable() const
Gets whether this Drawable receives touch events or not.
boolisVisible() const
Gets whether this Drawable is visible.
virtual voidmoveRelative(int16_t x, int16_t y)
Moves the drawable.
virtual voidmoveTo(int16_t x, int16_t y)
Moves the drawable.
virtual voidsetHeight(int16_t height)
Sets the height of this drawable.
voidsetPosition(const Drawable & drawable)
Sets the position of the Drawable to the same as the given Drawable.
voidsetPosition(int16_t x, int16_t y, int16_t width, int16_t height)
Sets the size and position of this Drawable, relative to its parent.
voidsetTouchable(bool touch)
Controls whether this Drawable receives touch events or not.
voidsetVisible(bool vis)
Controls whether this Drawable should be visible.
virtual voidsetWidth(int16_t width)
Sets the width of this drawable.
voidsetWidthHeight(const Bitmap & bitmap)
Sets the dimensions (width and height) of the Drawable without changing the x and y coordinates).
voidsetWidthHeight(const Drawable & drawable)
Sets the dimensions (width and height) of the Drawable without changing the x and y coordinates).
voidsetWidthHeight(const Rect & other)
Sets the dimensions (width and height) of the Drawable without changing the x and y coordinates).
voidsetWidthHeight(int16_t width, int16_t height)
Sets the dimensions (width and height) of the Drawable without changing the x and y coordinates).
virtual voidsetX(int16_t x)
Sets the x coordinate of this Drawable, relative to its parent.
voidsetXY(const Drawable & drawable)
Sets the x and y coordinates of this Drawable.
voidsetXY(int16_t x, int16_t y)
Sets the x and y coordinates of this Drawable, relative to its parent.
virtual voidsetY(int16_t y)
Sets the y coordinate of this Drawable, relative to its parent.
virtual voidtranslateRectToAbsolute(Rect & r) const
Helper function for converting a region of this Drawable to absolute coordinates.
virtual ~Drawable()
Finalizes an instance of the Drawable class.

Protected Attributes inherited from Drawable

Drawable *nextSibling
Pointer to the next Drawable.
Drawable *parent
Pointer to this drawable's parent.
Rectrect
The coordinates of this Drawable, relative to its parent.
booltouchable
True if this drawable should receive touch events.
boolvisible
True if this drawable should be drawn.

Public Functions Documentation

clear

virtual void clear()

Clears the graph to its blank/initial state.

The graph is invalidated so that the empty graph will be drawn after a call to clear.

Reimplements: touchgfx::AbstractDataGraph::clear

GraphWrapAndOverwriteData

GraphWrapAndOverwriteData(int16_tcapacity ,
int *values
)

Initializes a new instance of the GraphWrapAndOverwriteData class.

Parameters:
capacityThe capacity.
valuesPointer to memory with room for capacity elements of type T.

indexToGlobalIndex

virtual int32_t indexToGlobalIndex(int16_tindex)

Convert an index to global index.

The index is the index of any data point, The global index is a value that keeps growing whenever a new data point is added the the graph.

Parameters:
indexZero-based index of the point.
Returns:

The global index.

Reimplements: touchgfx::DynamicDataGraph::indexToGlobalIndex

Protected Functions Documentation

addValue

virtual int16_t addValue(intvalue)

Adds a value to the internal data array and keeps track of when graph points, graph axis and the entire graph needs to be redrawn (invalidated).

Parameters:
valueThe value to add to the array.
Returns:

The index of the newly added value.

Reimplements: touchgfx::DynamicDataGraph::addValue

beforeAddValue

virtual void beforeAddValue()

This function is called before a new value (data point) is added.

This allows for invalidation to be calculated based on the global data counter before it is increased as a result of adding the new point.

Reimplements: touchgfx::DynamicDataGraph::beforeAddValue

Protected Attributes Documentation

current

int16_t current

The current index (used to keep track of where to insert new data point in value array)