Package com.intellij.openapi.editor.impl

Class ArrowPainter

java.lang.Object

com.intellij.openapi.editor.impl.ArrowPainter

public class ArrowPainter
extends java.lang.Object

Encapsulates logic of drawing arrows at graphics buffer (primary usage is to draw tabulation symbols representation arrows).

Constructor Summary

Constructors

Constructor and Description
ArrowPainter(ColorProvider colorHolder, Computable<java.lang.Integer> widthProvider, Computable<java.lang.Integer> heightProvider) Creates an ArrowPainter with specified parameters.

Method Summary

Modifier and Type	Method and Description
void	paint(java.awt.Graphics g, int y, int start, int stop) Paints arrow at the given graphics buffer using given coordinate parameters.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ArrowPainter

public ArrowPainter(ColorProvider colorHolder,
                    Computable<java.lang.Integer> widthProvider,
                    Computable<java.lang.Integer> heightProvider)

Creates an ArrowPainter with specified parameters.

Parameters:

colorHolder - defines arrow color

widthProvider - defines character width, it is used to calculate an inset for the arrow's tip

heightProvider - defines character height, it's used to calculate an arrow's width and height

Method Detail

paint

public void paint(java.awt.Graphics g,
                  int y,
                  int start,
                  int stop)

Paints arrow at the given graphics buffer using given coordinate parameters.

Parameters:

g - target graphics buffer to use

y - defines baseline of the row where the arrow should be painted

start - starting 'x' position to use during drawing

stop - ending 'x' position to use during drawing