File size: 2,403 Bytes
60cb0ec | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | import { colors } from "@gradio/theme";
export interface HighlightedToken {
token: string;
class_or_confidence: string | number | null;
}
export interface ColorPair {
primary: string;
secondary: string;
}
function name_to_rgba(name: string, alpha: number): string {
const canvas = document.createElement("canvas");
const ctx = canvas.getContext("2d")!;
ctx.fillStyle = name;
ctx.fillRect(0, 0, 1, 1);
const [r, g, b] = ctx.getImageData(0, 0, 1, 1).data;
return `rgba(${r}, ${g}, ${b}, ${alpha})`;
}
export function is_transparent(color: string): boolean {
if (!color) return true;
const c = color.toLowerCase().trim();
// 9 chars + ends with 00 = #RRGGBBAA format with 0 alpha
return c === "transparent" || (c.length === 9 && c.endsWith("00"));
}
export function generate_color_map(
color_map: Record<string, string>,
is_browser: boolean
): Record<string, ColorPair> {
const result: Record<string, ColorPair> = {};
for (const key in color_map) {
const color = color_map[key].trim();
if (color in colors) {
result[key] = colors[color as keyof typeof colors];
} else if (is_transparent(color)) {
result[key] = {
primary: "transparent",
secondary: "transparent"
};
} else {
result[key] = {
primary: is_browser ? name_to_rgba(color, 1) : color,
secondary: is_browser ? name_to_rgba(color, 0.5) : color
};
}
}
return result;
}
export function merge_elements(
value: HighlightedToken[],
merge_mode: "empty" | "equal"
): HighlightedToken[] {
if (value.length === 0) return [];
const result: HighlightedToken[] = [];
let current_token = value[0].token;
let current_class = value[0].class_or_confidence;
for (let i = 1; i < value.length; i++) {
const { token, class_or_confidence } = value[i];
const should_merge =
merge_mode === "empty"
? class_or_confidence === null
: current_class === class_or_confidence;
if (should_merge) {
current_token += token;
} else {
result.push({ token: current_token, class_or_confidence: current_class });
current_token = token;
current_class = class_or_confidence;
}
}
result.push({ token: current_token, class_or_confidence: current_class });
return result;
}
export function get_score_color(score: number | null): string {
if (score === null) return "";
if (score < 0) {
return `rgba(128, 90, 213, ${-score})`;
}
return `rgba(239, 68, 60, ${score})`;
}
|