ej.mwt.style.background

Interface Background

All Known Implementing Classes:

ImageBackground, NoBackground, RectangularBackground, RoundedBackground, TiledImageBackground

public interface Background

Represents the background of the widgets.

Method Summary

Modifier and Type	Method and Description
void	apply(ej.microui.display.GraphicsContext g, int width, int height) Applies the background on a graphics context.
boolean	equals(java.lang.Object obj)
int	hashCode()
boolean	isTransparent(int width, int height) Tells whether or not this background is transparent.

Method Detail

isTransparent

boolean isTransparent(int width,
                      int height)

Tells whether or not this background is transparent.

A background is considered as transparent if it does not draw every pixel with maximal opacity when it is applied. If a widget has a transparent background, its parent has to be rendered before the widget.

Parameters:

width - the width of the background.

height - the height of the background.

Returns:

true if the background is transparent, false otherwise.

apply

void apply(ej.microui.display.GraphicsContext g,
           int width,
           int height)

Applies the background on a graphics context.

Parameters:

g - the graphics context.

width - the width of the background.

height - the height of the background.

equals

boolean equals(@Nullable
               java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

int hashCode()

Overrides:

hashCode in class java.lang.Object