JPG and JPEG stand both for an image format proposed and supported by the Joint Photographic Experts Group. The two terms have the same meaning and are interchangeable. To read on, check out Difference between JPG and JPEG. The reason for the different file extensions dates back to the early versions of Windows. The original … Read more
You may checkout the Image.RawFormat property. So once you load the image from the stream you could test: if (ImageFormat.Jpeg.Equals(image.RawFormat)) { // JPEG } else if (ImageFormat.Png.Equals(image.RawFormat)) { // PNG } else if (ImageFormat.Gif.Equals(image.RawFormat)) { // GIF } … etc
There’s an excellent chart on wikipedia that lists common image types and their support by browser. The file types you listed (jpg, gif and png) seem to be the main formats supported by nearly every browser, albeit with certain caveats: Internet Explorer supports PNG images but is unable to correctly display images with gamma correction … Read more
FileInfo can do that for you: $encoded_string = “….”; $imgdata = base64_decode($encoded_string); $f = finfo_open(); $mime_type = finfo_buffer($f, $imgdata, FILEINFO_MIME_TYPE);
try these links Rich Text Format (RTF) Specification, version 1.6 How can I insert an image into a RichTextBox? Insert Image into rtf document you must change “picwgoa” to “picwgoal” and “pichgoa” to “pichgoal” string mpic = @”{\pict\pngblip\picw” + img.Width.ToString() + @”\pich” + img.Height.ToString() + @”\picwgoal” + width.ToString() + @”\pichgoal” + height.ToString() + @”\bin ” … Read more