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Rogue Wave Views Charts Package API Reference Guide |
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Rogue Wave Views Charts Package API Reference Guide |
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Class for high-low open-close displayers. More...
#include <ilviews/charts/hilo.h>
Public Member Functions | |
| IlvHiLoOpenCloseChartDisplayer (IlvDim width=IlvChartDisplayerWidth, IlvPalette *hiLoRisePal=0, IlvPalette *openCloseRisePal=0, IlvPalette *hiLoFallPal=0, IlvPalette *openCloseFallPal=0, IlvChartDisplayerFactory *factory=0) | |
| Constructor. More... | |
| IlvHiLoChartDisplayer * | getHiLoDisplayer () const |
| Returns the child displayer that displays the low-values and high-values data sets. More... | |
| IlvHiLoChartDisplayer * | getOpenCloseDisplayer () const |
| Returns the child displayer that displays the open-values and close-values data sets. More... | |
| IlUInt | getWidthPercent () const |
| Returns the width percentage of the high-low items. More... | |
| void | setHiLoFallPalette (IlvPalette *pal) |
| Sets the fall palette used to display the low-values and high-values data sets. More... | |
| void | setHiLoRisePalette (IlvPalette *pal) |
| Sets the rise palette used to display the low-values and high-values data sets. More... | |
| void | setOpenCloseFallPalette (IlvPalette *pal) |
| Sets the fall palette used to display the open-values and close-values data sets. More... | |
| void | setOpenCloseRisePalette (IlvPalette *pal) |
| Sets the rise palette used to display the open-values and close-values data sets. More... | |
| void | setWidthPercent (IlUInt width) |
| Sets the width percentage of the high-low items. More... | |
| virtual IlBoolean | useVirtualDataSets () const |
| Indicates whether the current displayer uses virtual data sets. More... | |
 Public Member Functions inherited from IlvCompositeChartDisplayer | |
| virtual | ~IlvCompositeChartDisplayer () |
| Destructor. More... | |
| void | addDisplayer (IlvAbstractChartDisplayer *displayer, IlUInt position=IlvLastPositionIndex) |
| Adds a displayer to the current displayer. More... | |
| virtual IlBoolean | boundingBox (IlvRect &bbox, const IlvTransformer *t=0) const |
| Returns the bounding box of the graphical representation of data. More... | |
| virtual IlBoolean | dataPointBBox (IlUInt dataPtIdx, IlvRect &bbox, IlBoolean takeInfoIntoAccount, const IlvTransformer *t=0) const |
| Returns the bounding box of the graphical representation of the data points at a given index. More... | |
| virtual void | draw (IlvPort *dst, const IlvTransformer *t=0, const IlvRegion *clip=0) const |
| Draws the graphical representation of data. More... | |
| virtual void | drawDataPoint (IlUInt dataPtIdx, IlvPort *dst, const IlvTransformer *t=0, const IlvRegion *clip=0) const |
| Draws the graphical representation of the data point(s) at a given index. More... | |
| virtual void | drawDataPoints (IlUInt iMin, IlUInt iMax, IlvPort *dst, const IlvTransformer *t=0, const IlvRegion *clip=0) const |
| Draws the graphical representation of the data points between a given interval. More... | |
| virtual void | drawFill (IlBoolean b) |
| Sets the filling mode of the displayer. More... | |
| virtual void | drawLegendItem (IlvPort *dst, const IlvRect &legendArea, IlvPalette *itemPal, const IlvRegion *clip, IlAny clientData=0) const |
| Draws the graphic part of a legend item associated with the current displayer. More... | |
| virtual IlvColor * | getBackground (IlUInt index=0) const |
| Returns the background color of a palette used by the current displayer to display data. More... | |
| virtual void | getClipArea (IlvRect &area, const IlvTransformer *t) const |
| Returns the clipping region that is used for the drawing. More... | |
| IlvAbstractChartDisplayer * | getDisplayer (IlUInt index) const |
| Returns one of the displayers that compose the current displayer. More... | |
| IlvChartDisplayerFactory * | getDisplayerFactory () const |
| Returns the displayer factory that has been set on the current displayer. More... | |
| virtual IlvAbstractChartDisplayer * | getDisplayerForDataSet (const IlvChartDataSet *dataSet) const |
| Returns the child displayer used to display a given data set. More... | |
| IlvAbstractChartDisplayer * | getDisplayerModel () const |
| Returns the model that is used for child displayers. More... | |
| virtual IlUInt | getDisplayersCount () const |
| Returns the number of displayers. More... | |
| virtual IlUInt | getDisplayItem (IlvChartDataSet *&dataSet, const IlvPoint &viewPoint, const IlvTransformer *t) const |
| Returns the item to which a view point corresponds. More... | |
| virtual IlBoolean | getDisplayPoint (const IlvChartDataSet *dataSet, IlUInt dataPtIdx, IlvPoint &point, const IlvTransformer *t=0) const |
| Returns the corresponding screen point for a data point. More... | |
| virtual IlvColor * | getForeground (IlUInt index=0) const |
| Returns the foreground color of a palette used by the current displayer to display data. More... | |
| virtual const char * | getInternalLegendText (IlUInt index=0) const |
| Returns the legend text stored in the current displayer. More... | |
| virtual const char * | getLegendText (IlUInt index=0) const |
| Returns the text that will be used in a legend for the current displayer. More... | |
| virtual IlUInt | getNearestPoint (IlvChartDataSet *&dataSet, const IlvPoint &viewPoint, IlvDim distance, IlvPoint &point, const IlvTransformer *t=0) const |
| Returns the nearest data point. More... | |
| virtual IlvPalette * | getPalette (IlUInt index=0) const |
| Returns a palette used by the current displayer to display data. More... | |
| virtual IlvPointInfoCollection * | getPointInfoCollection (const IlvChartDataSet *dataSet) const |
| Returns the point information collection defined to be used to display a given data set. More... | |
| virtual IlBoolean | graphicalRepresentationByDataPoint () const |
| Indicates whether there is a graphical representation by data point. More... | |
| virtual IlBoolean | isContinuous () const |
| Indicates whether the graphical representation is continuous. More... | |
| virtual IlBoolean | isFilled () const |
| Indicates whether the graphical representation is filled. More... | |
| virtual IlBoolean | isViewable () const |
| Indicates whether the graphical representation can be viewed. More... | |
| IlvAbstractChartDisplayer * | removeDisplayer (IlUInt index) |
| Removes one of the displayers that compose the current displayer. More... | |
| virtual void | setBackground (IlvColor *color, IlUInt index=0) |
| Sets the background color of a palette used by the current displayer to display data. More... | |
| virtual void | setChartGraphic (IlvChartGraphic *chart) |
| Sets the chart graphic which uses the current displayer. More... | |
| virtual IlBoolean | setDataPoint (IlvChartDataSet *dataSet, IlUInt dataPtIdx, const IlvPoint &point, const IlvTransformer *t=0) const |
| Sets the corresponding data point from a screen point. More... | |
| IlvChartDisplayerFactory * | setDisplayerFactory (IlvChartDisplayerFactory *factory, IlBoolean reCreate=IlFalse) |
| Sets the displayer factory that will be used by the current displayer. More... | |
| IlvAbstractChartDisplayer * | setDisplayerModel (IlvAbstractChartDisplayer *model) |
| Sets the model that will be used when creating child displayers. More... | |
| virtual void | setForeground (IlvColor *color, IlUInt index=0) |
| Sets the foreground color of a palette used by the current displayer to display data. More... | |
| virtual void | setLegendItems (IlvChartLegend *legend) const |
| Sets the legend items associated with the current displayer. More... | |
| virtual void | setLegendText (const char *text, IlUInt index=0) |
| Sets the text that will be used in a legend for the current displayer. More... | |
| virtual void | setMode (IlvDrawMode mode) |
| Sets the drawing mode. More... | |
| virtual void | setOrdinateInfo (IlvCoordinateInfo *ordinateInfo) |
| Sets the coordinate information associated with the ordinate scale considered to display data. More... | |
| virtual void | setOverwrite (IlBoolean o) |
| Sets the overwrite mode. More... | |
| virtual void | setPalette (IlvPalette *pal, IlUInt index=0) |
| Sets a palette used by the current displayer to display data. More... | |
| virtual void | setPointInfoCollection (const IlvChartDataSet *dataSet, IlvPointInfoCollection *ptInfoCollection) |
| Sets the point information collection that will be used to display a given data set. More... | |
| virtual void | write (IlvOutputFile &file) const |
| Writes the attributes of the current object in a file. More... | |
| Public Member Functions inherited from IlvAbstractChartDisplayer | |
| virtual | ~IlvAbstractChartDisplayer () |
| Destructor. More... | |
| void | addDataSet (IlvChartDataSet *dataSet) |
| Adds a real data set to be displayed by the current displayer. More... | |
| virtual IlBoolean | canBeProjectedIfOutOfBounds () const |
| Indicates whether the graphical representation can be projected when it is out-of-bounds. More... | |
| virtual IlvAbstractChartDisplayer * | copy () const =0 |
| Virtual copy constructor. More... | |
| IlBoolean | dataPointToDisplay (const IlvDoublePoint &dataPoint, IlvPoint &point, const IlvTransformer *t=0) const |
| Projects a data point into screen coordinates. More... | |
| virtual IlBoolean | displayDataSet (const IlvChartDataSet *dataSet) const |
| Indicates whether the current displayer displays a data set. More... | |
| IlBoolean | displayToDataPoint (const IlvPoint &point, IlvDoublePoint &dataPoint, const IlvTransformer *t=0) const |
| Inversely projects a screen point to retrieve the corresponding data point. More... | |
| IlvChartGraphic * | getChartGraphic () const |
| Returns the chart graphic which uses the current displayer. More... | |
| IlvChartDataSet * | getDataSet (IlUInt index=0) const |
| Returns a data set used by the current displayer. More... | |
| IlUInt | getDataSetsCount () const |
| Returns the number of data sets used by the current displayer. More... | |
| IlUInt | getMaxDataSetsCount () const |
| Returns the maximum number of real data sets that the current displayer is allowed to display. More... | |
| const char * | getName () const |
| Returns the name of the current displayer. More... | |
| IlvCoordinateInfo * | getOrdinateInfo () const |
| Deprecated Returns the coordinate information associated with the ordinate scale considered to display data. More... | |
| const IlvCompositeChartDisplayer * | getParentDisplayer () const |
| Returns the parent displayer. More... | |
| virtual IlvChartDataPointInfo * | getPointInfo (IlUInt dataPtIdx, const IlvChartDataSet *dataSet=0) const |
| Returns the point information associated with a given data point. More... | |
| virtual IlvPalette * | getProjectedPointsPalette () const |
| Returns the palette used to display out-of-bounds values. More... | |
| IlvChartDataSet * | getRealDataSet (IlUInt index=0) const |
| Returns a real data set to be displayed by the current displayer. More... | |
| IlUInt | getRealDataSetsCount () const |
| Returns the number of real data sets. More... | |
| virtual IlvCombinedChartDataSet * | getVirtualDataSet (const IlvChartDataSet *dataSet, IlUInt &index) const |
| Returns a virtual data set used by the current displayer. More... | |
| virtual void | insertDataSet (IlvChartDataSet *dataSet, IlUInt index=IlvLastPositionIndex) |
| Inserts a real data set to be displayed by the current displayer. More... | |
| IlBoolean | isVisible () const |
| Indicates whether the graphical representation is visible. More... | |
| virtual void | removeDataSet (IlvChartDataSet *dataSet) |
| Removes a real data set from the data sets to be displayed by the current displayer. More... | |
| virtual void | removeDataSets () |
| Removes all the real data sets to be displayed by the current displayer. | |
| void | removePointInfoCollection (const IlvChartDataSet *dataSet) |
| Removes the point information collection defined to be used to display a given data set. More... | |
| virtual IlBoolean | replaceDataSet (IlvChartDataSet *oldDataSet, IlvChartDataSet *newDataSet) |
| Replaces a real data set with another one. More... | |
| IlvOutputFile & | save (IlvOutputFile &file) const |
| Writes a complete description of the current object in a file. More... | |
| virtual void | setDataSet (IlvChartDataSet *dataSet, IlUInt index=0) |
| Sets a real data set to be displayed by the current displayer. More... | |
| void | setDataSet (IlvChartDataSet *dataSet, IlvPalette *palette, IlUInt index=0) |
| Sets a real data set to be displayed by the current displayer. More... | |
| virtual void | setDataSets (IlUInt count, IlvChartDataSet *const *dataSets) |
| Sets the real data sets to be displayed by the current displayer. More... | |
| void | setName (const char *name) |
| Sets the name of the current displayer. More... | |
| void | setParentDisplayer (const IlvCompositeChartDisplayer *displayer) |
| Sets the parent displayer. More... | |
| void | setVirtualDataSet (IlvCombinedChartDataSet *vDataSet, IlUInt index=0) |
| Sets a virtual data set used by the current displayer. More... | |
| void | setVisible (IlBoolean visible) |
| Specifies whether the graphical representation is visible. More... | |
Protected Member Functions | |
| virtual IlvAbstractChartDisplayer * | createDisplayer (IlUInt index, IlvPalette *palette=0) |
| Defines the child displayers that will be created by default to compose the current displayer. More... | |
| virtual void | updateDisplayers () |
| Updates the displayers that compose the current displayer. More... | |
| Protected Member Functions inherited from IlvCompositeChartDisplayer | |
| IlvCompositeChartDisplayer (IlvChartDisplayerFactory *factory=0) | |
| Constructor. More... | |
| IlvCompositeChartDisplayer (IlvInputFile &file) | |
| Constructor. More... | |
| IlvCompositeChartDisplayer (const IlvCompositeChartDisplayer &displayer) | |
| Constructor. More... | |
| void | initDisplayers (IlUInt count, IlvPalette *const *palettes=0) |
| Creates the displayers that compose the current displayer. More... | |
| virtual IlvAbstractChartDisplayer * | makeDisplayer (IlUInt idx, IlvPalette *pal=0) |
| Creates one of the displayers that compose the current displayer. More... | |
| virtual void | update () |
| Performs the updates needed when modifications (removing, adding, replacing) are made to the real data sets. | |
| Protected Member Functions inherited from IlvAbstractChartDisplayer | |
| IlvAbstractChartDisplayer () | |
| Constructor. More... | |
| IlvAbstractChartDisplayer (const IlvAbstractChartDisplayer &displayer) | |
| Constructor. More... | |
| IlvAbstractChartDisplayer (IlvInputFile &file) | |
| Constructor. More... | |
| virtual void | dataSetAdded (IlUInt position=IlvLastPositionIndex) |
| Performs the updates needed when a real data set is added. More... | |
| virtual void | dataSetRemoved (IlUInt index) |
| Performs the updates needed when a real data set is removed. More... | |
| virtual void | updateVirtualDataSets () |
| Updates the virtual data sets. More... | |
Additional Inherited Members | |
| Static Public Member Functions inherited from IlvAbstractChartDisplayer | |
| static IlvAbstractChartDisplayer * | Load (IlvInputFile &file) |
| Reads a displayer object from a file. More... | |
Class for high-low open-close displayers.
Library: ilvcharts
This class is a subclass of IlvCompositeChartDisplayer which allows you to represent data with both high-low items composed of segments and high-low items that are bars.
The high-low open-close displayer is a composite displayer that is composed of a high-low displayer (see the IlvHiLoChartDisplayer class) and a high-low bar displayer (see the IlvHiLoBarChartDisplayer class).
The high-low open-close displayer displays four data sets. The first data set is composed of the low values, the second data set is composed of the high values, the third data set is composed of the open values, and the fourth data set is composed of the close values. The first two data sets are displayed by the first child displayer that is a high-low displayer (instance of the IlvHiLoChartDisplayer class). The next two data sets are displayed by the second child displayer that is a high-low bar displayer (instance of the IlvHiLoBarChartDisplayer class).
This displayer can be used with any type of projection. (See the IlvAbstractProjector class for more details.)
The following images show data sets represented with a high-low open-close displayer in a Cartesian chart (on the left) and a polar chart (on the right).
| IlvHiLoOpenCloseChartDisplayer::IlvHiLoOpenCloseChartDisplayer | ( | IlvDim | width = IlvChartDisplayerWidth, |
| IlvPalette * | hiLoRisePal = 0, |
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| IlvPalette * | openCloseRisePal = 0, |
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| IlvPalette * | hiLoFallPal = 0, |
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| IlvPalette * | openCloseFallPal = 0, |
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| IlvChartDisplayerFactory * | factory = 0 |
||
| ) |
Constructor.
Initializes a new IlvHiLoOpenCloseChartDisplayer object. The constructor creates the child displayers that compose the current composite displayer by calling the IlvCompositeChartDisplayer::initDisplayers method. The child displayers that are created by default are: a high-low displayer instance of the IlvHiLoChartDisplayer class and a high-low bar displayer instance of the IlvHiLoBarChartDisplayer class. However, the constructor allows you to specify if desired the displayer factory that will be used to create the child displayers. All the displayers inherited from the IlvHiLoChartDisplayer class can be used as child displayers for the current composite displayer.
| width | The width of the high-low items for the child displayers. |
| hiLoRisePal | The rise palette used to display the low-values and high-values data sets. |
| openCloseRisePal | The rise palette used to display the open-values and close-values data sets. |
| hiLoFallPal | The fall palette used to display the low-values and high-values data sets. |
| openCloseFallPal | The fall palette used to display the open-values and close-values data sets. |
| factory | An optional factory to create the child displayers. |
|
protectedvirtual |
Defines the child displayers that will be created by default to compose the current displayer.
This method creates an instance of IlvHiLoChartDisplayer if index is equal to 0 and an instance of IlvHiLoBarChartDisplayer if index is equal to 1. (See the IlvCompositeChartDisplayer::createDisplayer method for more details).
| index | The index at which the created displayer will be added later to the collection of displayers that compose the current displayer. |
| palette | The palette that will be used by the new displayer. |
Reimplemented from IlvCompositeChartDisplayer.
| IlvHiLoChartDisplayer* IlvHiLoOpenCloseChartDisplayer::getHiLoDisplayer | ( | ) | const |
Returns the child displayer that displays the low-values and high-values data sets.
| IlvHiLoChartDisplayer* IlvHiLoOpenCloseChartDisplayer::getOpenCloseDisplayer | ( | ) | const |
Returns the child displayer that displays the open-values and close-values data sets.
| IlUInt IlvHiLoOpenCloseChartDisplayer::getWidthPercent | ( | ) | const |
Returns the width percentage of the high-low items.
| void IlvHiLoOpenCloseChartDisplayer::setHiLoFallPalette | ( | IlvPalette * | pal | ) |
Sets the fall palette used to display the low-values and high-values data sets.
The old palette, if one exists, is unlocked and the new palette is locked.
| pal | The new fall palette that is used to display the low-values and high-values data sets. |
| void IlvHiLoOpenCloseChartDisplayer::setHiLoRisePalette | ( | IlvPalette * | pal | ) |
Sets the rise palette used to display the low-values and high-values data sets.
The old palette, if one exists, is unlocked and the new palette is locked.
| pal | The new rise palette that is used to display the low-values and high-values data sets. |
| void IlvHiLoOpenCloseChartDisplayer::setOpenCloseFallPalette | ( | IlvPalette * | pal | ) |
Sets the fall palette used to display the open-values and close-values data sets.
The old palette, if one exists, is unlocked and the new palette is locked.
| pal | The new fall palette that is used to display the open-values and close-values data sets. |
| void IlvHiLoOpenCloseChartDisplayer::setOpenCloseRisePalette | ( | IlvPalette * | pal | ) |
Sets the rise palette used to display the open-values and close-values data sets.
The old palette, if one exists, is unlocked and the new palette is locked.
| pal | The new rise palette that is used to display the open-values and close-values data sets. |
| void IlvHiLoOpenCloseChartDisplayer::setWidthPercent | ( | IlUInt | width | ) |
Sets the width percentage of the high-low items.
The width of the high-low items will be computed as a percentage of the available space between two abscissa points. Therefore, the items width will grow along if the chart is enlarged or if the visible range is reduced.
| width | The width percentage, between 0 and 100 . |
|
protectedvirtual |
Updates the displayers that compose the current displayer.
This method sets the data sets used by the current displayer (that is the low-values, the high-values, the open-values and the close-values data sets) on the child displayers that compose the current displayer (that is the high-low and the high-low bar displayers).
See the IlvCompositeChartDisplayer::updateDisplayers method for more details.
Reimplemented from IlvCompositeChartDisplayer.
|
virtual |
Indicates whether the current displayer uses virtual data sets.
Returns a Boolean that indicates whether the current displayer uses virtual data sets.
IlFalse by default. Reimplemented from IlvAbstractChartDisplayer.
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