saving image with bitmap issue

Question

I have valid base64 image . I Convert it to image .

For saving with Image.Save(Path)
I have Gdi+ error .

when i try to save with bitmap . the image will save but the image is complete black Like

And here is my code

            var encode = EncodeBase64(model.Base64Photo);

                //model.Base64Photo = model.Base64Photo.Replace("data:image/png;base64,", "").Replace("data:image/jpeg;base64,", "");
                //var imageBytes = Convert.FromBase64String(encode);

                var ms = new MemoryStream(encode);
                var returnImage = Image.FromStream(ms);
                var bitmap = new Bitmap(returnImage);
                bitmap.Save($@"C:\inetpub\wwwroot\Dropbox\Websites\2.fidilio.com\Storage\Images\animal\storage\images\animal\{model.Name}-{model.Email}.jpg", ImageFormat.Jpeg);
                bitmap.Dispose();
     public byte[] EncodeBase64(string data)
    {
        string s = data.Trim().Replace(" ", "+").Replace("-", "+").Replace("/", "+");
        if (s.Length % 4 > 0)
            s = s.PadRight(s.Length + 4 - s.Length % 4, '=');
        return Convert.FromBase64String(s);
    }

I confused so much that where is the problem

@CodyGray The PhysicalFolderPath is C:\\inetpup\\

salar
– salar

2016-12-14 18:49:06 +00:00
Commented Dec 14, 2016 at 18:49 — salar
– salar, Commented Dec 14, 2016 at 18:49
Cody.. what?? Anyhow, what GDI error were you getting?

Trey
– Trey

2016-12-14 18:55:43 +00:00
Commented Dec 14, 2016 at 18:55 — Trey
– Trey, Commented Dec 14, 2016 at 18:55
A Generic error occured in GDI+ this error

salar
– salar

2016-12-14 18:57:25 +00:00
Commented Dec 14, 2016 at 18:57 — salar
– salar, Commented Dec 14, 2016 at 18:57

Nino · Accepted Answer · 2016-12-14 19:03:43Z

2

It looks like you're making memory stream from string, am I right? You should make memory stream from byte array, like this.

string s = "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";

    var imageBytes = Convert.FromBase64String(s);

    var ms = new MemoryStream(imageBytes);
    var returnImage = Image.FromStream(ms);
    var bitmap = new Bitmap(returnImage);
    //bitmap.Save($@"C:\inetpub\wwwroot\Dropbox\Websites\2.fidilio.com\Storage\Images\animal\storage\images\animal\{model.Name}-{model.Email}.jpg", ImageFormat.Jpeg);
    bitmap.Save(@"c:\temp\img.jpg");
    bitmap.Dispose();

answered Dec 14, 2016 at 19:03

Nino

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2 Comments

Nino Over a year ago

well, did you try code from my answer? that is base64 encoded image, created on this site. Are you sure that your method returns valid base64 string?

salar Over a year ago

it says me file is too big and doesnt get me base 64

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