Class StyleSheet.BoxPainter

All Implemented Interfaces:
Serializable
Enclosing class:
StyleSheet

public static class StyleSheet.BoxPainter
extends Object
implements Serializable

Class to carry out some of the duties of CSS formatting. Implementations of this class enable views to present the CSS formatting while not knowing anything about how the CSS values are being cached.

As a delegate of Views, this object is responsible for the insets of a View and making sure the background is maintained according to the CSS attributes.

Methods

Modifier and Type Method and Description
float getInset(int side, View v)

Fetches the inset needed on a given side to account for the margin, border, and padding.

void paint(Graphics g, float x, float y, float w, float h, View v)

Paints the CSS box according to the attributes given.

Methods inherited from class java.lang.Object

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

Methods

getInset

public float getInset(int side,
                      View v)

Fetches the inset needed on a given side to account for the margin, border, and padding.

Parameters:
side - The size of the box to fetch the inset for. This can be View.TOP, View.LEFT, View.BOTTOM, or View.RIGHT.
v - the view making the request. This is used to get the AttributeSet, and may be used to resolve percentage arguments.
Throws:
IllegalArgumentException - for an invalid direction

paint

public void paint(Graphics g,
                  float x,
                  float y,
                  float w,
                  float h,
                  View v)

Paints the CSS box according to the attributes given. This should paint the border, padding, and background.

Parameters:
g - the rendering surface.
x - the x coordinate of the allocated area to render into.
y - the y coordinate of the allocated area to render into.
w - the width of the allocated area to render into.
h - the height of the allocated area to render into.
v - the view making the request. This is used to get the AttributeSet, and may be used to resolve percentage arguments.

© 1993, 2020, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/javase/8/docs/api/javax/swing/text/html/StyleSheet.BoxPainter.html