From 45611e2473a9ec8ded9726928efd565bfd68f8e0 Mon Sep 17 00:00:00 2001
From: WakelessSloth56 <wsloth56@foxmail.com>
Date: Sun, 8 Oct 2023 18:00:15 +0800
Subject: [PATCH] feat(player): danmaku font size offset

Co-authored-by: lainio24 <lainio24@outlook.com>
---
 public/index.html    |  5 +++++
 src/player.player.ts | 11 +++++++++++
 2 files changed, 16 insertions(+)

diff --git a/public/index.html b/public/index.html
index 12af695..353e5ba 100644
--- a/public/index.html
+++ b/public/index.html
@@ -30,6 +30,10 @@
                         <input id="danmaku-time-offset" type="number" value="0" />
                     </td>
                 </tr>
+                <tr>
+                    <td>Size Offset:</td>
+                    <td><input id="danmaku-size-offset" type="number" value="-3" /></td>
+                </tr>
                 <tr>
                     <td>Auto Play:</td>
                     <td><input id="auto-play" type="checkbox" /></td>
@@ -77,6 +81,7 @@
                     fullscreen: id('fullscreen').checked,
                     muted: id('muted').checked,
                     danmakuTimeOffset: parseFloat(id('danmaku-time-offset').value),
+                    danmakuSizeOffset: parseInt(id('danmaku-size-offset').value),
                 });
                 window.player = player;
                 id('start-panel').remove();
diff --git a/src/player.player.ts b/src/player.player.ts
index a2c5c3a..6cf1109 100644
--- a/src/player.player.ts
+++ b/src/player.player.ts
@@ -252,6 +252,17 @@ const __player_metadata__: PlayerMetadata = {
                     .selfEvents({
                         create: (P, E) => {
                             P.commentManager = initDanmaku(E, P.danmakuUrl, () => P.firePlayerEvent('danmakuload'));
+                            if (P.options.danmakuSizeOffset) {
+                                P.commentManager.filter.addModifier(function (commentData: StrAnyKV) {
+                                    const override = commentData;
+                                    const size = commentData['size'];
+                                    if (size && !override['sizeOverridden']) {
+                                        override['size'] = size + P.options.danmakuSizeOffset;
+                                        override['sizeOverridden'] = true;
+                                    }
+                                    return override;
+                                });
+                            }
                             P._dyn.danmakuOn = true;
                             P.setContainerData('danmakuOn', true);
                             if (!P.options.danmakuTimeOffset) P.options.danmakuTimeOffset = 0;