QGIS API Documentation  2.12.0-Lyon
Public Member Functions | Protected Attributes | List of all members
QgsRandomColorsV2 Class Reference

#include <qgsvectorcolorrampv2.h>

Inheritance diagram for QgsRandomColorsV2:
Inheritance graph
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Public Member Functions

 QgsRandomColorsV2 ()
 
 ~QgsRandomColorsV2 ()
 
QgsVectorColorRampV2clone () const override
 
QColor color (double value) const override
 
int count () const override
 Returns number of defined colors, or -1 if undefined. More...
 
QgsStringMap properties () const override
 
virtual void setTotalColorCount (const int colorCount)
 Sets the desired total number of unique colors for the resultant ramp. More...
 
QString type () const override
 
double value (int index) const override
 Returns relative value between [0,1] of color at specified index. More...
 
- Public Member Functions inherited from QgsVectorColorRampV2
virtual ~QgsVectorColorRampV2 ()
 

Protected Attributes

QList< QColormPrecalculatedColors
 
int mTotalColorCount
 

Detailed Description

Definition at line 167 of file qgsvectorcolorrampv2.h.

Constructor & Destructor Documentation

QgsRandomColorsV2::QgsRandomColorsV2 ( )

Definition at line 366 of file qgsvectorcolorrampv2.cpp.

QgsRandomColorsV2::~QgsRandomColorsV2 ( )

Definition at line 371 of file qgsvectorcolorrampv2.cpp.

Member Function Documentation

QgsVectorColorRampV2 * QgsRandomColorsV2::clone ( ) const
overridevirtual

Implements QgsVectorColorRampV2.

Definition at line 444 of file qgsvectorcolorrampv2.cpp.

QColor QgsRandomColorsV2::color ( double  value) const
overridevirtual

Implements QgsVectorColorRampV2.

Definition at line 387 of file qgsvectorcolorrampv2.cpp.

int QgsRandomColorsV2::count ( ) const
overridevirtual

Returns number of defined colors, or -1 if undefined.

Implements QgsVectorColorRampV2.

Definition at line 376 of file qgsvectorcolorrampv2.cpp.

QgsStringMap QgsRandomColorsV2::properties ( ) const
overridevirtual

Implements QgsVectorColorRampV2.

Definition at line 449 of file qgsvectorcolorrampv2.cpp.

void QgsRandomColorsV2::setTotalColorCount ( const int  colorCount)
virtual

Sets the desired total number of unique colors for the resultant ramp.

Calling this method pregenerates a set of visually distinct colors which are returned by subsequent calls to color().

Parameters
colorCountnumber of unique colors
Note
added in QGIS 2.5

Definition at line 407 of file qgsvectorcolorrampv2.cpp.

QString QgsRandomColorsV2::type ( ) const
overridevirtual

Implements QgsVectorColorRampV2.

Definition at line 439 of file qgsvectorcolorrampv2.cpp.

double QgsRandomColorsV2::value ( int  index) const
overridevirtual

Returns relative value between [0,1] of color at specified index.

Implements QgsVectorColorRampV2.

Definition at line 381 of file qgsvectorcolorrampv2.cpp.

Member Data Documentation

QList<QColor> QgsRandomColorsV2::mPrecalculatedColors
protected

Definition at line 196 of file qgsvectorcolorrampv2.h.

int QgsRandomColorsV2::mTotalColorCount
protected

Definition at line 195 of file qgsvectorcolorrampv2.h.


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