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import type { TextBackground } from "@/text/background";
import type {
TextAlign,
TextDecoration,
TextFontStyle,
TextFontWeight,
} from "@/text/primitives";
import type { CaptionChunk } from "@/transcription/types";
export interface SubtitlePlacementStyle {
verticalAlign?: "top" | "middle" | "bottom";
marginLeftRatio?: number;
marginRightRatio?: number;
marginVerticalRatio?: number;
}
export interface SubtitleStyleOverrides {
/**
* Font size in app units (same coordinate space as TextElement.fontSize).
* Use fontSizeRatioOfPlayHeight when the source coordinate space is unknown
* (e.g. ASS files, where font size is relative to the script's play resolution).
*/
fontSize?: number;
/**
* Font size expressed as a fraction of the reference canvas height.
* Set by the ASS parser so the builder can convert to app units without
* the parser needing to know about the app's coordinate system.
* Takes precedence over fontSize when both are present.
*/
fontSizeRatioOfPlayHeight?: number;
fontFamily?: string;
color?: string;
background?: Pick<TextBackground, "enabled" | "color"> &
Partial<Omit<TextBackground, "enabled" | "color">>;
textAlign?: TextAlign;
fontWeight?: TextFontWeight;
fontStyle?: TextFontStyle;
textDecoration?: TextDecoration;
letterSpacing?: number;
lineHeight?: number;
placement?: SubtitlePlacementStyle;
}
export interface SubtitleCue extends CaptionChunk {
style?: SubtitleStyleOverrides;
}
export interface ParseSubtitleResult {
captions: SubtitleCue[];
skippedCueCount: number;
warnings: string[];
}
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