RGB color support for mapinfo instruction (https://trac.osgeo.org/grass/ticket/192; merge from devbr6)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@45775 15284696-431f-4ddb-bdfa-cd5b030d7da7

ps/ps.map/main.c

@@ -166,8 +166,6 @@ int main(int argc, char *argv[])
     vector.x = vector.y = -1.0;
     ct.x = ct.y = -1.0;
     ct.width = -1.0;
-    m_info.color = BLACK;
-    m_info.bgcolor = WHITE;
     hdr.color = BLACK;
     cmt.color = BLACK;
     m_info.font = G_store(def_font);

ps/ps.map/map_info.c

@@ -60,14 +60,14 @@ int map_info(void)
 	fprintf(PS.fp, "/t1 t1 sx mg add add def\n");
 
 	/* draw the background box */
-	if (m_info.bgcolor != -999) {	/* skip if "none" */
-	    set_rgb_color(m_info.bgcolor);
+	if (! color_none(&m_info.bgcolor)) {
+	    set_ps_color(&m_info.bgcolor);
 	    fprintf(PS.fp, "%.1f %.1f t1 %.1f B fill \n",
 		    x - margin, y - k * dy - margin, y);
 	}
 	/* draw the border, if set */
-	if (m_info.border != -1) {
-	    set_rgb_color(m_info.border);
+	if (! color_none(&m_info.border)) {
+	    set_ps_color(&m_info.border);
 	    fprintf(PS.fp, "%.1f %.1f t1 %.1f B\n",
 		    x - margin, y - k * dy - margin, y);
 	    fprintf(PS.fp, "D\n");
@@ -75,7 +75,7 @@ int map_info(void)
     }
 
     /* set text color */
-    set_rgb_color(m_info.color);
+    set_ps_color(&m_info.color);
 
     /* show map scale */
     show_text(x, y - dy, "SCALE:");

ps/ps.map/map_info.h

@@ -3,12 +3,14 @@
  ** Author: Paul W. Carlson     April 1992
  */
 
+#include "clr.h"
+
 struct map_info
 {
     double x, y;
     char *font;
     int fontsize;
-    int color, bgcolor, border;
+    PSCOLOR color, bgcolor, border;
 };
 
 extern struct map_info m_info;

ps/ps.map/r_info.c

@@ -5,7 +5,9 @@
 
 #include <stdlib.h>
 #include <string.h>
+#include <grass/glocale.h>
 #include "map_info.h"
+#include "clr.h"
 #include "local_proto.h"
 
 #define KEY(x) (strcmp(key,x)==0)
@@ -24,13 +26,15 @@ int read_info(void)
 {
     char buf[1024];
     char *key, *data;
-    int color, bgcolor, border, fontsize;
+    int fontsize;
     double x, y;
+    int r, g, b, ret;
+    PSCOLOR color, bgcolor, border;
 
     fontsize = 0;
-    color = BLACK;
-    bgcolor = WHITE;
-    border = -1;
+    set_color(&color, 0, 0, 0);
+    set_color(&bgcolor, 255, 255, 255);
+    unset_color(&border);
     x = y = 0.0;
 
     while (input(2, buf, help)) {
@@ -40,7 +44,7 @@ int read_info(void)
 	if (KEY("where")) {
 	    if (sscanf(data, "%lf %lf", &x, &y) != 2) {
 		x = y = 0.0;
-		error(key, data, "illegal where request");
+		error(key, data, _("illegal where request"));
 	    }
 	    else
 		continue;
@@ -54,30 +58,39 @@ int read_info(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;
 	}
 
 	if (KEY("background")) {
-	    bgcolor = get_color_number(data);
-	    if ((bgcolor != -999) && (bgcolor < 0)) {	/* -999 is "none" */
-		bgcolor = WHITE;
-		error(key, data, "illegal color request");
-	    }
+	    ret = G_str_to_color(data, &r, &g, &b);
+	    if (ret == 1)
+		set_color(&bgcolor, r, g, b);
+	    else if (ret == 2)  /* i.e. "none" */
+		unset_color(&bgcolor);
+	    else
+		error(key, data, _("illegal bgcolor request"));
+
 	    continue;
 	}
 
 	if (KEY("border")) {
-	    border = get_color_number(data);
-	    if (border < 0) {
-		if (border != -999)	/* here -999 is "none" */
-		    error(key, data, "illegal border request");
-		border = -1;
-	    }
+	    ret = G_str_to_color(data, &r, &g, &b);
+	    if (ret == 1)
+		set_color(&border, r, g, b);
+	    else if (ret == 2)  /* i.e. "none" */
+		unset_color(&border);
+	    else
+		error(key, data, _("illegal border color request"));
+
 	    continue;
 	}
 
@@ -86,7 +99,7 @@ int read_info(void)
 	    m_info.font = G_store(data);
 	    continue;
 	}
-	error(key, data, "illegal mapinfo sub-request");
+	error(key, data, _("illegal mapinfo sub-request"));
     }
     m_info.x = x;
     m_info.y = y;