public static byte[] ImageDetails(string name)
{
var osr = OpenSlideInterface.Openslide_open(name);
if (osr == IntPtr.Zero)
{
return(null);
}
var vendor = Marshal.PtrToStringAnsi(OpenSlideInterface.Openslide_detect_vendor(name));
var levels = OpenSlideInterface.Openslide_get_level_count(osr);
var widths = new Int64[levels];
var heights = new Int64[levels];
var dimensions = "[\r\n\t\t";
var offset = LoadText(name + ".txt");
if (offset == null)
{
offset = "\"0,0\"";
}
unsafe
{
Int64 w, h;
Int64 *pw = &w;
Int64 *ph = &h;
for (var l = 0; l < levels; l++)
{
OpenSlideInterface.Openslide_get_level_dimensions(osr, l, pw, ph);
widths[l] = w;
heights[l] = h;
dimensions += "\"" + l.ToString() + ","
+ w.ToString() + ","
+ h.ToString() + "\""
+ ((l < levels - 1) ? ",\r\n\t\t" : "");
}
}
dimensions += "\r\n\t]";
OpenSlideInterface.Openslide_close(osr);
var json = "{\r\n\t\"Name\":\"" + Path.GetFileName(name)
+ "\", \r\n\t\"Vendor\":\"" + vendor
+ "\", \r\n\t\"Levels\":" + levels.ToString()
+ ", \r\n\t\"Width\":" + widths[0].ToString()
+ ", \r\n\t\"Height\":" + heights[0].ToString()
+ ", \r\n\t\"Dimensions\":" + dimensions
+ ", \r\n\t\"Offset\":" + offset + "\r\n}";
return(Encoding.ASCII.GetBytes(json));
}
public static byte[] CreateRegion(string name, Int32 level, Int64 x, Int64 y, Int32 w, Int32 h, string format)
{
var osr = OpenSlideInterface.Openslide_open(name);
if (osr == IntPtr.Zero)
{
Console.WriteLine("osr == IntPtr.Zero");
return(null);
}
var buffer = Marshal.AllocHGlobal(4 * w * h);
OpenSlideInterface.Openslide_read_region(osr, buffer, x, y, level, w, h);
OpenSlideInterface.Openslide_close(osr);
byte[] bytes = null;
if (format == null || format.Equals("PNG"))
{
bytes = CreateFormat(buffer, w, h, System.Drawing.Imaging.ImageFormat.Png);
}
else if (format.Equals("RAW"))
{
bytes = CreateRaw(buffer, w, h);
}
else if (format.Equals("JPG"))
{
bytes = CreateFormat(buffer, w, h, System.Drawing.Imaging.ImageFormat.Jpeg);
}
else if (format.Equals("BMP"))
{
bytes = CreateFormat(buffer, w, h, System.Drawing.Imaging.ImageFormat.Bmp);
}
Marshal.FreeHGlobal(buffer);
return(bytes);
}
