# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1560490398 -10800
# Node ID a8b4e9c9f337399a87429ef3c64f6179d8a29964
# Parent  8cd2a821e8a075c474b8288a780ac32fd64e3002
Set PCX header palette information correctly for grayscale data images.

diff -r 8cd2a821e8a0 -r a8b4e9c9f337 tools/libgfx.c
--- a/tools/libgfx.c	Fri Jun 14 08:17:00 2019 +0300
+++ b/tools/libgfx.c	Fri Jun 14 08:33:18 2019 +0300
@@ -1575,10 +1575,15 @@
     hdr.xmin         = hdr.ymin = 0;
     hdr.xmax         = (img->width * spec.scaleX) - 1;
     hdr.ymax         = (img->height * spec.scaleY) - 1;
-    hdr.palInfo      = 1;
     hdr.hScreenSize  = hdr.hres;
     hdr.vScreenSize  = hdr.vres;
 
+    switch (spec.pixfmt)
+    {
+        case DM_PIXFMT_GRAYSCALE: hdr.palInfo = 2; break;
+        default: hdr.palInfo = 1; break;
+    }
+
     // TODO XXX .. maybe actually compute these asdf
     hdr.bitsPerPlane = 8;
     hdr.nplanes      = dmImageGetBytesPerPixel(spec.pixfmt);