palette diff tool

[ott/enhance] / pal_unmix.c

diff --git a/pal_unmix.c b/pal_unmix.c
index 63461e47d6ff80d5bc3124676ebfbd465a4a727e..2340a8cc93d9b3fedf98be1b98c7aed3a059d36c 100644 (file)
--- a/pal_unmix.c
+++ b/pal_unmix.c
@@ -1,7 +1,7 @@
 /*\r
 pal_unmix.c\r
 The tool to extract two images hidden iside one indexed image\r
-01.12.2022\r
+03.12.2022\r
 \r
 Copyright (C) 2015, 2022  Balthasar Szczepański\r
 \r
@@ -34,7 +34,6 @@ on Pentium III libdevil must be recompiled with
 #include "pal_unmix.h"\r
 \r
 int palette_unmix_index (ILuint n, struct PixelInfo *p, void *data);\r
-ILuint tsqrt(ILuint s);\r
 \r
 char PAL_UNMIX_MISSING_ARGS[] = "Missing parameters.\npal_unmix inPix outPix1 outPix2 [n1 n2]\n";\r
 \r
@@ -235,65 +234,3 @@ int palette_unmix_index (ILuint n, struct PixelInfo *p, void *data)
        \r
        return 0;\r
 }\r
-\r
-ILuint tsqrt(ILuint s)\r
-{\r
-       switch(s)\r
-       {\r
-       case 256:\r
-               return 16;\r
-       case 225:\r
-               return 15;\r
-       case 196:\r
-               return 14;\r
-       case 169:\r
-               return 13;\r
-       case 144:\r
-               return 12;\r
-       case 121:\r
-               return 11;\r
-       case 100:\r
-               return 10;\r
-       case 81:\r
-               return 9;\r
-       case 64:\r
-               return 8;\r
-       case 49:\r
-               return 7;\r
-       case 36:\r
-               return 6;\r
-       case 25:\r
-               return 5;\r
-       case 16:\r
-               return 4;\r
-       case 9:\r
-               return 3;\r
-       case 4:\r
-               return 2;\r
-       case 1:\r
-               return 1;\r
-       default: // not a square - please fail\r
-               return 0;\r
-       }\r
-}\r
-\r
-//unsigned short isqrt(unsigned s)\r
-//{\r
-//      unsigned short r;\r
-//      unsigned short b=0x0040;\r
-//      \r
-//      while(b>s)\r
-//           b>>=2;\r
-//      while(b)\r
-//      {\r
-//           if(s>=r+b)\r
-//           {\r
-//                   s-=r+b;\r
-//                   r=(r>>1)+b;\r
-//           }\r
-//           else\r
-//                   r>>1;\r
-//           b>>2;\r
-//      }\r
-//      return r;\r
-//}\r