# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1586949611 -10800
# Node ID ac42dccc6b7c03ab848588e4de106ada3d905a53
# Parent  375da267d9944d832658457672be1488258a4523
Allow the -R option of gfxconv to be specified as '-R auto[+remove]' for
remapping the palette without specifying any manual remaps.

diff -r 375da267d994 -r ac42dccc6b7c tools/gfxconv.c
--- a/tools/gfxconv.c	Wed Apr 15 14:18:43 2020 +0300
+++ b/tools/gfxconv.c	Wed Apr 15 14:20:11 2020 +0300
@@ -182,7 +182,7 @@
     { 34, 'B', "bpp"             , "Bits per plane (some output formats)", OPT_ARGREQ },
     { 36, 'I', "interleave"      , "Interleaved/planar output (some output formats)", OPT_NONE },
     { 38, 'C', "compress"        , "Use compression -C <0-9>, 0 = disable, default is 9", OPT_ARGREQ },
-    { 42, 'R', "remap"           , "Remap output image colors (-R <(#RRGGBB|index):index>[,<..>][+remove] | -R @map.txt[+remove])", OPT_ARGREQ },
+    { 42, 'R', "remap"           , "Remap output image colors (-R <(#RRGGBB|index):index>[,<..>][+remove] | -R auto[+remove] | -R @map.txt[+remove])", OPT_ARGREQ },
     { 44,   0, "char-rom"        , "Set character ROM file to be used.", OPT_ARGREQ },
     { 46, 'p', "palette"         , "Set C64 palette to be used (see list with -p help).", OPT_ARGREQ },
 };
@@ -954,6 +954,7 @@
                 }
             }
             else
+            if (dm_strcasecmp(optArg, "auto") != 0)
             {
                 if (!dmParseMapOptionString(optArg, optRemapTable,
                     &optNRemapTable, DM_MAX_COLORS, TRUE, "color remap option"))