Initial Commit

2023-06-21 12:46:23 -04:00
commit c70248a520
1352 changed files with 336780 additions and 0 deletions
--- a/iTechSharp/iTextSharp/text/pdf/ICC_Profile.cs
+++ b/iTechSharp/iTextSharp/text/pdf/ICC_Profile.cs
@@ -0,0 +1,108 @@
+using System;
+using System.Text;
+using System.Collections;
+using System.IO;
+
+namespace iTextSharp.text.pdf
+{
+    /// <summary>
+    /// Summary description for ICC_Profile.
+    /// </summary>
+    public class ICC_Profile
+    {
+        protected byte[] data;
+        protected int numComponents;
+        private static Hashtable cstags = new Hashtable();
+        
+        protected ICC_Profile() {
+        }
+        
+        public static ICC_Profile GetInstance(byte[] data) {
+            if (data.Length < 128 | data[36] != 0x61 || data[37] != 0x63 
+                || data[38] != 0x73 || data[39] != 0x70)
+                throw new ArgumentException("Invalid ICC profile");
+            ICC_Profile icc = new ICC_Profile();
+            icc.data = data;
+            object cs = cstags[Encoding.ASCII.GetString(data, 16, 4)];
+            icc.numComponents = (cs == null ? 0 : (int)cs);
+            return icc;
+        }
+        
+        public static ICC_Profile GetInstance(Stream file) {
+            byte[] head = new byte[128];
+            int remain = head.Length;
+            int ptr = 0;
+            while (remain > 0) {
+                int n = file.Read(head, ptr, remain);
+                if (n <= 0)
+                    throw new ArgumentException("Invalid ICC profile");
+                remain -= n;
+                ptr += n;
+            }
+            if (head[36] != 0x61 || head[37] != 0x63 
+                || head[38] != 0x73 || head[39] != 0x70)
+                throw new ArgumentException("Invalid ICC profile");
+            remain = ((head[0] & 0xff) << 24) | ((head[1] & 0xff) << 16)
+                      | ((head[2] & 0xff) <<  8) | (head[3] & 0xff);
+            byte[] icc = new byte[remain];
+            System.Array.Copy(head, 0, icc, 0, head.Length);
+            remain -= head.Length;
+            ptr = head.Length;
+            while (remain > 0) {
+                int n = file.Read(icc, ptr, remain);
+                if (n <= 0)
+                    throw new ArgumentException("Invalid ICC profile");
+                remain -= n;
+                ptr += n;
+            }
+            return GetInstance(icc);
+        }
+
+        public static ICC_Profile GetInstance(String fname) {
+            FileStream fs = new FileStream(fname, FileMode.Open, FileAccess.Read, FileShare.Read);
+            ICC_Profile icc = GetInstance(fs);
+            fs.Close();
+            return icc;
+        }
+
+        public byte[] Data {
+            get {
+                return data;
+            }
+        }
+        
+        public int NumComponents {
+            get {
+                return numComponents;
+            }
+        }
+
+        static ICC_Profile() {
+            cstags["XYZ "] = 3;
+            cstags["Lab "] = 3;
+            cstags["Luv "] = 3;
+            cstags["YCbr"] = 3;
+            cstags["Yxy "] = 3;
+            cstags["RGB "] = 3;
+            cstags["GRAY"] = 1;
+            cstags["HSV "] = 3;
+            cstags["HLS "] = 3;
+            cstags["CMYK"] = 4;
+            cstags["CMY "] = 3;
+            cstags["2CLR"] = 2;
+            cstags["3CLR"] = 3;
+            cstags["4CLR"] = 4;
+            cstags["5CLR"] = 5;
+            cstags["6CLR"] = 6;
+            cstags["7CLR"] = 7;
+            cstags["8CLR"] = 8;
+            cstags["9CLR"] = 9;
+            cstags["ACLR"] = 10;
+            cstags["BCLR"] = 11;
+            cstags["CCLR"] = 12;
+            cstags["DCLR"] = 13;
+            cstags["ECLR"] = 14;
+            cstags["FCLR"] = 15;
+        }
+    }
+}