gzz.media
Interface TextScrollBlock

All Superinterfaces:

ScrollBlock

All Known Implementing Classes:

FakeTextSpan.FakeTextScrollBlock, PermanentTextScroll, TransientTextScroll

public interface TextScrollBlock

extends ScrollBlock

A text scroll block.

Field Summary

static java.lang.String

rcsid

Method Summary

TextSpan	append(char ch)
TextSpan	append(java.lang.String s)
char[]	getCharArray() Get the internal character array of this scrollblock.
Span	getSpan(int offs1, int offs2) Get a span that represents the given range inside this scrollblock.

Methods inherited from interface gzz.media.ScrollBlock

getCurrent, getID, isFinalized

Field Detail

rcsid

public static final java.lang.String rcsid

See Also:

Constant Field Values

Method Detail

append

public TextSpan append(char ch)
                throws gzz.errors.ImmutableException

gzz.errors.ImmutableException

append

public TextSpan append(java.lang.String s)
                throws gzz.errors.ImmutableException

gzz.errors.ImmutableException

getCharArray

public char[] getCharArray()

Get the internal character array of this scrollblock. This is used for speeding up drawing strings from a TextScrollBlock by being able to give a scrollblock and two offsets to the drawing routines.

THE RETURNED CHARACTER ARRAY MUST NOT BE MODIFIED UNDER ANY CIRCUMSTANCES.

getSpan

public Span getSpan(int offs1,
                    int offs2)

Get a span that represents the given range inside this scrollblock. Equivalent to getCurrent().subSpan(offs1,offs2).

Parameters:

offs1 - The offset the span should start at.

offs2 - The one-past-end offset.