merge from devbr6: full RGB support for header text (https://trac.osgeo.org/grass/ticket/192); bugfix: text color survives %_ horizontal line draw

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@47697 15284696-431f-4ddb-bdfa-cd5b030d7da7

ps/ps.map/do_header.c

@@ -21,7 +21,7 @@ int do_map_header(const char *date)
     char temp[100];
 
     /* set color and font */
-    set_rgb_color(hdr.color);
+    set_ps_color(&hdr.color);
     fontsize = (double)hdr.fontsize;
     fprintf(PS.fp, "(%s) FN %.1f SF\n", hdr.font, fontsize);
 
@@ -97,6 +97,7 @@ static int output(char *line, const char *date)
 			  72.0 * (PS.page_width - PS.right_marg),
 			  y + 0.2 * fontsize);
 		y -= dy;
+		set_ps_color(&hdr.color);
 		return 0;
 	    }
 	    else {

ps/ps.map/header.h

@@ -4,13 +4,14 @@
  */
 
 #include <stdio.h>
+#include "clr.h"
 
 struct header
 {
     char *file;
     char *font;
     int fontsize;
-    int color;
+    PSCOLOR color;
     FILE *fp;
 };
 

ps/ps.map/main.c

@@ -166,7 +166,6 @@ int main(int argc, char *argv[])
     vector.x = vector.y = -1.0;
     ct.x = ct.y = -1.0;
     ct.width = -1.0;
-    hdr.color = BLACK;
     cmt.color = BLACK;
     m_info.font = G_store(def_font);
     vector.font = G_store(def_font);

ps/ps.map/r_header.c

@@ -5,7 +5,10 @@
 
 #include <stdlib.h>
 #include <string.h>
+#include <grass/colors.h>
+#include <grass/glocale.h>
 #include "header.h"
+#include "clr.h"
 #include "local_proto.h"
 
 #define KEY(x) (strcmp(key,x)==0)
@@ -22,10 +25,13 @@ int read_header(void)
 {
     char buf[1024];
     char *key, *data;
-    int color, fontsize;
+    int fontsize;
+    PSCOLOR color;
+    int ret, r, g, b;
 
     fontsize = 0;
-    color = BLACK;
+    set_color(&color, 0, 0, 0);
+
     while (input(2, buf, help)) {
 	if (!key_data(buf, &key, &data))
 	    continue;
@@ -51,11 +57,15 @@ int read_header(void)
 	}
 
 	if (KEY("color")) {
-	    color = get_color_number(data);
-	    if (color < 0) {
-		color = BLACK;
-		error(key, data, "illegal color request");
-	    }
+	    ret = G_str_to_color(data, &r, &g, &b);
+            if (ret == 1)
+                set_color(&color, r, g, b);
+            else if (ret == 2)  /* i.e. "none" */
+                /* unset_color(&color); */
+                error(key, data, _("Unsupported color request"));
+            else
+                error(key, data, _("illegal color request")); 
+
 	    continue;
 	}
 
@@ -64,8 +74,9 @@ int read_header(void)
 	    hdr.font = G_store(data);
 	    continue;
 	}
-	error(key, data, "illegal header sub-request");
+	error(key, data, _("illegal header sub-request"));
     }
+
     hdr.color = color;
     if (fontsize)
 	hdr.fontsize = fontsize;