HarmonyOS 鸿蒙Next Pixmap保存到本地文件如何实现?
HarmonyOS 鸿蒙Next Pixmap保存到本地文件如何实现?
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Pixmap保存到本地文件如何实现?
更多关于HarmonyOS 鸿蒙Next Pixmap保存到本地文件如何实现?的实战系列教程也可以访问 https://www.itying.com/category-93-b0.html
static async savePixelMap(pixelMap: image.PixelMap, path: string, name: string, format: string = 'image/png'): Promise<string> { try { if (!fs.accessSync(path)) { fs.mkdirSync(path, true); //如果文件夹不存在就创建 } let filePath = path + "/" + name; let file = fs.openSync(path, fs.OpenMode.READ_WRITE); let packOpts: image.PackingOption = { format: format, quality: 100 }
<span class="hljs-keyword"><span class="hljs-keyword">const</span></span> imagePacker: image.ImagePacker = image.createImagePacker(); await imagePacker.packToFile(pixelMap, file.fd, packOpts).finally(() => { imagePacker.release(); <span class="hljs-comment"><span class="hljs-comment">//释放</span></span> }); fs.closeSync(file.fd);<span class="hljs-comment"><span class="hljs-comment">//关闭文件</span></span> <span class="hljs-keyword"><span class="hljs-keyword">return</span></span> filePath;
} catch (err) { let error = err as BusinessError; console.log(
<button style="position: absolute; padding: 4px 8px 0px; cursor: pointer; top: 8px; right: 8px; font-size: 14px;">复制</button>ImageUtil-savePixelMap-异常 ~ code: ${error.code} -·- message: ${error.message}
); return ‘’; } }