Merge pull request #993 from ssssobek/dev

Add blurred background option for subtitles

src/assets/locales/en.json

@@ -533,6 +533,7 @@
     },
     "subtitles": {
       "backgroundLabel": "Background opacity",
+      "backgroundBlurLabel": "Background blur",
       "colorLabel": "Color",
       "previewQuote": "I must not fear. Fear is the mind-killer.",
       "textSizeLabel": "Text size",

src/assets/locales/pl.json

@@ -525,6 +525,7 @@
     },
     "subtitles": {
       "backgroundLabel": "Krycie tła",
+      "backgroundBlurLabel": "Rozmycie tła",
       "colorLabel": "Kolor",
       "previewQuote": "Nie wolno mi się bać. Strach zabija myślenie.",
       "textSizeLabel": "Rozmiar czcionki",

src/components/player/atoms/settings/CaptionSettingsView.tsx

@@ -262,6 +262,14 @@ export function CaptionSettingsView({ id }: { id: string }) {
           value={styling.backgroundOpacity * 100}
           textTransformer={(s) => `${s}%`}
         />
+        <CaptionSetting
+          label={t("settings.subtitles.backgroundBlurLabel")}
+          max={100}
+          min={0}
+          onChange={(v) => updateStyling({ backgroundBlur: v / 100 })}
+          value={styling.backgroundBlur * 100}
+          textTransformer={(s) => `${s}%`}
+        />
         <CaptionSetting
           label={t("settings.subtitles.textSizeLabel")}
           max={200}

src/components/player/base/SubtitleView.tsx

@@ -55,6 +55,10 @@ export function CaptionCue({
         color: styling.color,
         fontSize: `${(1.5 * styling.size).toFixed(2)}em`,
         backgroundColor: `rgba(0,0,0,${styling.backgroundOpacity.toFixed(2)})`,
+        backdropFilter:
+          styling.backgroundBlur !== 0
+            ? `blur(${Math.floor(styling.backgroundBlur * 64)}px)`
+            : "none",
       }}
     >
       <span

src/pages/parts/settings/CaptionsPart.tsx

@@ -92,6 +92,16 @@ export function CaptionsPart(props: {
             value={props.styling.backgroundOpacity * 100}
             textTransformer={(s) => `${s}%`}
           />
+          <CaptionSetting
+            label={t("settings.subtitles.backgroundBlurLabel")}
+            max={100}
+            min={0}
+            onChange={(v) =>
+              props.setStyling({ ...props.styling, backgroundBlur: v / 100 })
+            }
+            value={props.styling.backgroundBlur * 100}
+            textTransformer={(s) => `${s}%`}
+          />
           <CaptionSetting
             label={t("settings.subtitles.textSizeLabel")}
             max={200}

src/stores/subtitles/index.ts

@@ -17,6 +17,11 @@ export interface SubtitleStyling {
    * background opacity, ranges between 0 and 1
    */
   backgroundOpacity: number;
+
+  /**
+   * background blur, ranges between 0 and 1
+   */
+  backgroundBlur: number;
 }
 
 export interface SubtitleStore {
@@ -51,6 +56,7 @@ export const useSubtitleStore = create(
         color: "#ffffff",
         backgroundOpacity: 0.5,
         size: 1,
+        backgroundBlur: 0.5,
       },
       resetSubtitleSpecificSettings() {
         set((s) => {
@@ -62,6 +68,8 @@ export const useSubtitleStore = create(
         set((s) => {
           if (newStyling.backgroundOpacity !== undefined)
             s.styling.backgroundOpacity = newStyling.backgroundOpacity;
+          if (newStyling.backgroundBlur !== undefined)
+            s.styling.backgroundBlur = newStyling.backgroundBlur;
           if (newStyling.color !== undefined)
             s.styling.color = newStyling.color.toLowerCase();
           if (newStyling.size !== undefined)