/**
 * A single PAT line-family descriptor.
 *
 * Matches the PAT syntax:
 * `angle, x-origin, y-origin, delta-x, delta-y, dash-1, dash-2, ...`
 */
export interface AcDbPatLine {
    /**
     * Line-family angle in degrees.
     *
     * Following AutoCAD PAT conventions:
     * `0` points along +X, and positive values rotate counterclockwise.
     */
    angle: number;
    /**
     * Base origin X coordinate in pattern units.
     *
     * Represents the X component of the first baseline start point.
     */
    originX: number;
    /**
     * Base origin Y coordinate in pattern units.
     *
     * Represents the Y component of the first baseline start point.
     */
    originY: number;
    /**
     * X component of the offset to the next parallel line, in pattern units.
     *
     * Combined with {@link deltaY} to define the translation from one family line
     * to the next.
     */
    deltaX: number;
    /**
     * Y component of the offset to the next parallel line, in pattern units.
     *
     * Combined with {@link deltaX} to define the translation from one family line
     * to the next.
     */
    deltaY: number;
    /**
     * Dash pattern segment array in pattern units.
     *
     * Rules:
     * - positive: draw segment (pen-down)
     * - negative: gap length (pen-up)
     * - `0`: dot
     *
     * An empty array means a continuous solid line.
     */
    dashes: number[];
    /**
     * Source line number in the original PAT text (1-based).
     *
     * Useful for diagnostics and error tracing.
     */
    sourceLine: number;
}
/**
 * A complete PAT pattern definition (starts with `*NAME, description`).
 */
export interface AcDbPatPattern {
    /**
     * Pattern name.
     *
     * Examples: `ANSI31`, `SOLID`.
     */
    name: string;
    /**
     * Pattern description text.
     *
     * This is the part after the comma in the PAT header; may be empty.
     */
    description?: string;
    /**
     * Line-family descriptors included in this pattern.
     *
     * Order is preserved from the source PAT file.
     */
    lines: AcDbPatLine[];
}
/**
 * A single issue captured during PAT parsing.
 */
export interface AcDbPatParseIssue {
    /**
     * Line number where the issue occurred (1-based).
     *
     * Implementations may use `0` when no exact line can be mapped.
     */
    line: number;
    /**
     * Developer-facing error or warning message.
     */
    message: string;
    /**
     * Raw source line text that triggered the issue.
     *
     * Useful for debugging, logs, and UI error display.
     */
    source: string;
}
/**
 * Structured result of parsing a PAT file.
 */
export interface AcDbPatDocument {
    /**
     * Successfully parsed pattern definitions.
     */
    patterns: AcDbPatPattern[];
    /**
     * Issues collected during parsing.
     *
     * Parsers typically use a best-effort strategy, so both `patterns` and
     * `issues` can be present at the same time.
     */
    issues: AcDbPatParseIssue[];
}
/**
 * Optional preview options when rendering a PAT pattern to SVG.
 */
export interface AcDbPatPreviewOptions {
    /**
     * SVG viewport width in pixels.
     */
    width?: number;
    /**
     * SVG viewport height in pixels.
     */
    height?: number;
    /**
     * Stroke color.
     *
     * Accepts any valid CSS color value (for example `#1f2937`, `rgb(...)`, `red`).
     */
    stroke?: string;
    /**
     * Stroke width in pixels.
     */
    strokeWidth?: number;
    /**
     * Background fill color.
     *
     * Accepts any valid CSS color value.
     */
    background?: string;
}
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