From a1cd7ff8408c9459a76b8a9df080dc2f1b80579d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=9B=AE=E6=A3=83?= <BT-Muli@outlook.com>
Date: Tue, 1 Apr 2025 14:29:31 +0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=92=84=20=E8=83=8C=E6=99=AF=E8=89=B2?=
 =?UTF-8?q?=E5=90=8C=E6=AD=A5?=
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---
 src/components/viewPost/tp-emoticon.vue      | 10 +++++++-
 src/components/viewPost/tp-image.vue         |  3 +++
 src/components/viewPost/vp-overlay-image.vue | 26 ++++++++++++++------
 3 files changed, 31 insertions(+), 8 deletions(-)

diff --git a/src/components/viewPost/tp-emoticon.vue b/src/components/viewPost/tp-emoticon.vue
index 99086872..26a4bbf8 100644
--- a/src/components/viewPost/tp-emoticon.vue
+++ b/src/components/viewPost/tp-emoticon.vue
@@ -13,7 +13,13 @@
     <v-progress-circular :indeterminate="true" color="primary" size="small" />
     <span>加载中...</span>
   </div>
-  <VpOverlayImage :image="image" v-model="showOverlay" v-model:link="localUrl" :ori="true" />
+  <VpOverlayImage
+    :image="image"
+    v-model="showOverlay"
+    v-model:link="localUrl"
+    :ori="true"
+    v-model:bgColor="bgColor"
+  />
 </template>
 <script lang="ts" setup>
 import { computed, onMounted, onUnmounted, ref } from "vue";
@@ -40,6 +46,7 @@ type TpEmoticonProps = { data: TpCustomEmoticon };
 const props = defineProps<TpEmoticonProps>();
 const localUrl = ref<string>();
 const showOverlay = ref<boolean>(false);
+const bgColor = ref<string>("transparent");
 const image = computed<TpImage>(() => {
   return {
     insert: { image: props.data.insert.custom_emoticon.url },
@@ -77,6 +84,7 @@ onUnmounted(() => {
   max-width: 100%;
   height: auto;
   border-radius: 4px;
+  background: v-bind(bgColor);
 }
 
 .tp-emo-info {
diff --git a/src/components/viewPost/tp-image.vue b/src/components/viewPost/tp-image.vue
index ddfe9bd5..41aff7c0 100644
--- a/src/components/viewPost/tp-image.vue
+++ b/src/components/viewPost/tp-image.vue
@@ -25,6 +25,7 @@
     v-model="showOverlay"
     v-model:link="localUrl"
     v-model:ori="showOri"
+    v-model:bgColor="bgColor"
   />
 </template>
 <script lang="ts" setup>
@@ -58,6 +59,7 @@ const showOri = ref<boolean>(
   props.data.insert.image.endsWith(".gif") || imageQualityPercent.value === 100,
 );
 const localUrl = ref<string>();
+const bgColor = ref<string>("transparent");
 
 const imgWidth = computed<string>(() => {
   if (props.data.attributes === undefined) return "auto";
@@ -117,6 +119,7 @@ function getImageTitle(): string {
   height: auto;
   border-radius: 4px;
   cursor: pointer;
+  background: v-bind(bgColor);
 }
 
 .tp-image-load {
diff --git a/src/components/viewPost/vp-overlay-image.vue b/src/components/viewPost/vp-overlay-image.vue
index 38142303..668526c0 100644
--- a/src/components/viewPost/vp-overlay-image.vue
+++ b/src/components/viewPost/vp-overlay-image.vue
@@ -51,6 +51,7 @@ const props = defineProps<TpoImageProps>();
 const visible = defineModel<boolean>();
 const localLink = defineModel<string>("link");
 const showOri = defineModel<boolean>("ori");
+const bgColor = defineModel<string>("bgColor", { default: "transparent" });
 const bgMode = ref<number>(0); // 0: transparent, 1: black, 2: white
 const isOriSize = ref<boolean>(false);
 const buffer = shallowRef<Uint8Array | null>(null);
@@ -65,6 +66,13 @@ function setBlackBg(): void {
   bgMode.value = (bgMode.value + 1) % 3;
   const bgLabelList = ["透明", "黑色", "白色"];
   showSnackbar.success(`背景已切换为${bgLabelList[bgMode.value]}`);
+  if (bgMode.value === 0) {
+    bgColor.value = "transparent";
+  } else if (bgMode.value === 1) {
+    bgColor.value = "black";
+  } else {
+    bgColor.value = "white";
+  }
 }
 
 async function onCopy(): Promise<void> {
@@ -122,9 +130,16 @@ async function onDownload(): Promise<void> {
   justify-content: center;
   border: 1px solid var(--tgc-od-white);
   border-radius: 4px;
-  background: v-bind("bgMode === 1 ? 'black' : bgMode === 2 ? 'white' : 'transparent'");
   cursor: zoom-in;
   overflow-y: auto;
+
+  img {
+    max-width: 100%;
+    max-height: 100%;
+    border-radius: 4px;
+    background: v-bind(bgColor);
+    object-fit: contain;
+  }
 }
 
 .tpoi-top-ori {
@@ -133,13 +148,10 @@ async function onDownload(): Promise<void> {
   max-width: 100%;
   max-height: 70%;
   cursor: zoom-out;
-}
 
-.tpoi-top img {
-  max-width: 100%;
-  max-height: 100%;
-  border-radius: 4px;
-  object-fit: contain;
+  img {
+    background: v-bind(bgColor);
+  }
 }
 
 .tpoi-bottom {