C# 如何在运行时将TIFF转换为png/jpg并在Asp.NETCore中显示?
我使用Asp.Net Core 3.0,我需要在运行时和显示中将TIFF字符串转换为png/jpg图像 它但是我解决了这个问题C# 如何在运行时将TIFF转换为png/jpg并在Asp.NETCore中显示?,c#,html,imageview,memorystream,asp.net-core-3.0,C#,Html,Imageview,Memorystream,Asp.net Core 3.0,我使用Asp.Net Core 3.0,我需要在运行时和显示中将TIFF字符串转换为png/jpg图像 它但是我解决了这个问题ArgumentException:参数无效。System.Drawing.Image.FromStream(Stream-Stream,bool 使用EmbeddedColorManagement,bool validateImageData) 首先:我所做的 我从XML文件中读取TIFF字符串,如下代码所示 [HttpGet] public async Task<
ArgumentException:参数无效。System.Drawing.Image.FromStream(Stream-Stream,bool
使用EmbeddedColorManagement,bool validateImageData)
首先:我所做的
public async Task<IActionResult> ReadData()
{
XmlDocument document = new XmlDocument();
document.Load(@"Location In the Computer\MyFile.xml");
XmlNodeList sign = document.GetElementsByTagName("sign");
byte[] buffer = Encoding.ASCII.GetBytes(sign.Item(0).InnerText);
ViewBag.Sign = ConvertTiffToImage(buffer); //This method convert tiff to png/jpg
return View("Create");
}
private string ConvertTiffToImage(byte[] tiffBytes)
{
//Read the tiff and convert to png
MemoryStream ms = new MemoryStream(tiffBytes);
MemoryStream newMS = new MemoryStream();
Bitmap.FromStream(ms).Save(newMS, ImageFormat.Png); //Error come here
//Read the converted memorystream and insert it to string to display
StreamReader reader = new StreamReader(newMS);
string pngImage = reader.ReadToEnd();
return pngImage;
}
@if(ViewBag.Sign==null)
{
}
其他的
{
}