update at 2025-09-22 13:55:41

src/imagelib.ts

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2024-2025 Sun Booshi
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+import { getBlobArrayBuffer } from "obsidian";
+import { wxUploadImage } from "./weixin-api";
+import { NMPSettings } from "./settings";
+import { IsWasmReady, LoadWasm } from "./wasm/wasm";
+import  AssetsManager from "./assets";
+
+declare function GoWebpToJPG(data: Uint8Array): Uint8Array;
+declare function GoWebpToPNG(data: Uint8Array): Uint8Array;
+declare function GoAddWatermark(img: Uint8Array, watermark: Uint8Array): Uint8Array;
+
+export function IsImageLibReady() {
+  return IsWasmReady();
+}
+
+export async function PrepareImageLib() {
+  await LoadWasm();
+}
+
+export function WebpToJPG(data: ArrayBuffer): ArrayBuffer {
+  return GoWebpToJPG(new Uint8Array(data));
+}
+
+export function WebpToPNG(data: ArrayBuffer): ArrayBuffer {
+  return GoWebpToPNG(new Uint8Array(data));
+}
+
+export function AddWatermark(img: ArrayBuffer, watermark: ArrayBuffer): ArrayBuffer {
+  return GoAddWatermark(new Uint8Array(img), new Uint8Array(watermark));
+}
+
+export async function UploadImageToWx(data: Blob, filename: string, token: string, type?: string) {
+  if (!IsImageLibReady()) {
+    await PrepareImageLib(); 
+  }
+  
+  const watermark = NMPSettings.getInstance().watermark;
+  if (watermark != null && watermark != '') {
+    const watermarkData = await AssetsManager.getInstance().readFileBinary(watermark);
+    if (watermarkData == null) {
+      throw new Error('水印图片不存在: ' + watermark);
+    }
+    const watermarkImg = AddWatermark(await data.arrayBuffer(), watermarkData);
+    data = new Blob([watermarkImg], { type: data.type });
+  }
+  return await wxUploadImage(data, filename, token, type);
+}