mirror of
https://github.com/snapotter-hq/SnapOtter.git
synced 2026-08-03 07:46:42 +02:00
5d8556254f
* feat: add resolveOutputFormat utility for input format preservation * fix: preserve file order in batch processing with X-File-Results header Collect all results before streaming the ZIP to guarantee upload order. Replace X-File-Order with index-based X-File-Results header that maps each upload index to its processed filename, handling failures and duplicate filenames correctly. Closes #13 * fix: use X-File-Results for index-based batch file matching The frontend now matches processed files to entries by upload index instead of fragile name/position matching. * feat: preserve input format in smart-crop with quality control Smart crop now outputs in the same format as the input (JPG in, JPG out) instead of always converting to PNG. Adds an optional quality setting (default 95) for lossy formats. Closes #14 * feat: add output quality slider to smart crop settings UI * feat: preserve input format in crop tool * feat: preserve input format in color adjustment tools Applies to brightness-contrast, saturation, color-channels, and color-effects tool routes. * refactor: avoid double encode in smart-crop content mode For the simple trim path (no pad-to-square), chain .toFormat() on the trim pipeline directly instead of creating a second Sharp instance. This eliminates a redundant intermediate encode that degraded quality for lossy formats. Also use trimmed.info dimensions instead of a separate metadata() call for the pad-to-square path. --------- Co-authored-by: Siddharth Kumar Sah <siddharth123sk@gmail.com>
49 lines
1.5 KiB
TypeScript
49 lines
1.5 KiB
TypeScript
import sharp from "sharp";
|
|
|
|
export interface OutputFormat {
|
|
format: keyof sharp.FormatEnum;
|
|
extension: string;
|
|
contentType: string;
|
|
quality: number;
|
|
}
|
|
|
|
const FORMAT_MAP: Record<
|
|
string,
|
|
{ format: keyof sharp.FormatEnum; extension: string; contentType: string }
|
|
> = {
|
|
jpeg: { format: "jpeg", extension: "jpg", contentType: "image/jpeg" },
|
|
png: { format: "png", extension: "png", contentType: "image/png" },
|
|
webp: { format: "webp", extension: "webp", contentType: "image/webp" },
|
|
gif: { format: "gif", extension: "gif", contentType: "image/gif" },
|
|
tiff: { format: "tiff", extension: "tiff", contentType: "image/tiff" },
|
|
avif: { format: "avif", extension: "avif", contentType: "image/avif" },
|
|
};
|
|
|
|
const DEFAULT_QUALITY = 95;
|
|
const PNG_FALLBACK = FORMAT_MAP.png;
|
|
|
|
/**
|
|
* Detect the input image format and return matching output config.
|
|
* Falls back to PNG for undetectable or unsupported output formats
|
|
* (SVG, BMP, raw camera formats like CR2/NEF).
|
|
*/
|
|
export async function resolveOutputFormat(
|
|
inputBuffer: Buffer,
|
|
_filename: string,
|
|
qualityOverride?: number,
|
|
): Promise<OutputFormat> {
|
|
let detected: string | undefined;
|
|
try {
|
|
const meta = await sharp(inputBuffer).metadata();
|
|
detected = meta.format;
|
|
} catch {
|
|
// format detection failed
|
|
}
|
|
|
|
const mapped = detected ? FORMAT_MAP[detected] : undefined;
|
|
const config = mapped ?? PNG_FALLBACK;
|
|
const quality = qualityOverride ?? DEFAULT_QUALITY;
|
|
|
|
return { ...config, quality };
|
|
}
|