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Update /api/thumbnail

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lifegpc
2023-08-27 09:37:37 +08:00
parent 289ea9586c
commit 0cbb48d019
7 changed files with 149 additions and 35 deletions
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57
thumbnail/base.ts
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@@ -22,20 +22,75 @@ export type ThumbnailConfig = {
height: number;
quality: number;
method: ThumbnailGenMethod;
align: ThumbnailAlign;
};
export function gen_thumbnail_config_params(cfg: ThumbnailConfig) {
return {
width: cfg.width.toString(),
height: cfg.height.toString(),
quality: cfg.quality.toString(),
method: cfg.method.toString(),
align: cfg.align.toString(),
};
}
export function parse_thumbnail_method(s: string | null) {
if (s === null) return ThumbnailGenMethod.Unknown;
const t = s.toLowerCase();
switch (t) {
case "cover":
return ThumbnailGenMethod.Cover;
case "contain":
return ThumbnailGenMethod.Contain;
case "fill":
return ThumbnailGenMethod.Fill;
default:
return ThumbnailGenMethod.Unknown;
}
}
export function parse_thumbnail_align(s: string | null) {
if (s === null) return ThumbnailAlign.Left;
const t = s.toLowerCase();
switch (t) {
case "center":
return ThumbnailAlign.Center;
case "right":
case "bottom":
return ThumbnailAlign.Right;
default:
return ThumbnailAlign.Left;
}
}
export function generate_filename(
base: string,
f: EhFile,
cfg: ThumbnailConfig,
) {
let method = "";
let balign = "";
let align = "";
switch (cfg.align) {
case ThumbnailAlign.Left:
balign = "-left";
break;
case ThumbnailAlign.Center:
balign = "-center";
break;
case ThumbnailAlign.Right:
balign = "-right";
break;
}
switch (cfg.method) {
case ThumbnailGenMethod.Cover:
method = "-cover";
align = balign;
break;
case ThumbnailGenMethod.Contain:
method = "-contain";
align = balign;
break;
case ThumbnailGenMethod.Fill:
method = "-fill";
@@ -44,7 +99,7 @@ export function generate_filename(
return join(
base,
filterFilename(
`${f.id}-${f.token}-${cfg.width}x${cfg.height}-q${cfg.quality}${method}.jpg`,
`${f.id}-${f.token}-${cfg.width}x${cfg.height}-q${cfg.quality}${method}${align}.jpg`,
),
);
}