import type { Signal } from '@preact/signals-core';
import type { Matrix4, Vector2Tuple } from 'three';
import type { GlyphInfo, Font } from '../font.js';
import type { BaseOutProperties, Properties } from '../../properties/index.js';
import type { NumberValue, LengthValue } from '../../properties/values.js';
import type { Inset } from '../../flex/node.js';
import type { alignmentXMap, alignmentYMap } from '../../utils.js';
export type GlyphLayoutLine = {
    charIndexOffset: number;
    charLength: number;
    nonWhitespaceCharLength: number;
    nonWhitespaceWidth: number;
    whitespacesBetween: number;
};
export type GlyphLayout = {
    lines: Array<GlyphLayoutLine>;
    availableWidth: number;
    availableHeight: number;
} & GlyphOutProperties;
export type PositionedGlyphLayoutEntry = {
    type: 'glyph';
    charIndex: number;
    char: string;
    glyphInfo: GlyphInfo;
    x: number;
    y: number;
    width: number;
} | {
    type: 'whitespace';
    charIndex: number;
    x: number;
    width: number;
};
export type PositionedGlyphLayoutLine = GlyphLayoutLine & {
    entries: Array<PositionedGlyphLayoutEntry>;
};
export type PositionedGlyphLayout = GlyphLayout & {
    lines: Array<PositionedGlyphLayoutLine>;
    textAlign: keyof typeof alignmentXMap | 'justify';
    verticalAlign: keyof typeof alignmentYMap;
};
export type CaretTransformation = {
    position: Vector2Tuple;
    height: number;
};
export type SelectionTransformation = {
    size: Vector2Tuple;
    position: Vector2Tuple;
};
export type TextLayoutProperties = BaseOutProperties & {
    text?: unknown;
};
export type TextLayoutTarget = {
    properties: Properties<TextLayoutProperties>;
    fontSignal: Signal<Font | undefined>;
    size: Signal<Vector2Tuple | undefined>;
    paddingInset: Signal<Inset | undefined>;
    borderInset: Signal<Inset | undefined>;
};
export type TextMatrixTarget = {
    properties: Properties<TextLayoutProperties>;
    globalMatrix: Signal<Matrix4 | undefined>;
    paddingInset: Signal<Inset | undefined>;
    borderInset: Signal<Inset | undefined>;
};
export type GlyphProperties = Partial<{
    letterSpacing: LengthValue;
    lineHeight: LengthValue;
    fontSize: LengthValue;
    wordBreak: WordBreak;
    whiteSpace: WhiteSpace;
    tabSize: NumberValue;
}>;
export type WhiteSpace = 'normal' | 'collapse' | 'pre' | 'pre-line';
export type WordBreak = 'keep-all' | 'break-all' | 'break-word';
export type GlyphOutProperties = {
    text: string;
    font: Font;
    letterSpacing: number;
    lineHeight: number;
    fontSize: number;
    wordBreak: WordBreak;
};