Geografic-Information-System/ps/ps.map/do_vectors.c

/* Function: do_vectors
 **
 ** Author: Paul W. Carlson     March 1992
 ** Modified by: Janne Soimasuo August 1994 line_cat added
 ** Modified by: Radim Blazek Jan 2000 areas added
 ** Modified by: Hamish Bowman Jun 2005 points moved to do_vpoints()
 */

#include <string.h>
#include <grass/gis.h>
#include <grass/glocale.h>
#include <grass/vector.h>
#include <grass/symbol.h>
#include "clr.h"
#include "vector.h"
#include "local_proto.h"

int do_vectors(int after_masking)
{
    int n, z, lz, dig;
    struct Map_info Map;
    char dashes[100], buf[20], *ptr;

    n = vector.count;
    while (n-- > 0) {
	if (vector.layer[n].type == VPOINTS)
	    continue;
	if (after_masking && vector.layer[n].masked)
	    continue;
	if (!after_masking && !vector.layer[n].masked)
	    continue;

	G_message(_("Reading vector map <%s in %s> ..."),
		  vector.layer[n].name, vector.layer[n].mapset);

	Vect_set_open_level(2);
	if (2 > Vect_open_old(&Map, vector.layer[n].name,
				vector.layer[n].mapset)) {
	    char name[100];

	    sprintf(name, "%s in %s", vector.layer[n].name,
		    vector.layer[n].mapset);
	    error("vector map", name, "can't open");
	    continue;
	}

	if (vector.layer[n].type == VAREAS) {
	    PS_vareas_plot(&Map, n);
	}
	else if (vector.layer[n].type == VLINES) {
	    fprintf(PS.fp, "[] 0 setdash\n");
	    if (vector.layer[n].hwidth &&
		vector.layer[n].ref == LINE_REF_CENTER) {
		set_ps_color(&(vector.layer[n].hcolor));
		fprintf(PS.fp, "%.8f W\n",
			vector.layer[n].width + 2. * vector.layer[n].hwidth);
		PS_vlines_plot(&Map, n, LINE_DRAW_HIGHLITE);
		Vect_rewind(&Map);
	    }

	    fprintf(PS.fp, "%.8f W\n", vector.layer[n].width);
	    set_ps_color(&(vector.layer[n].color));

	    if (vector.layer[n].linecap >= 0) {
		G_debug(1, "Line cap: '%d'", vector.layer[n].linecap);
		fprintf(PS.fp, "%d setlinecap\n",vector.layer[n].linecap);		 
	    }

	    dashes[0] = '[';
	    dashes[1] = 0;
	    lz = 0;
	    if (vector.layer[n].linestyle != NULL) {
		G_debug(1, "Line style: '%s'", vector.layer[n].linestyle);
		G_strip(vector.layer[n].linestyle);
		ptr = vector.layer[n].linestyle;
		while (*ptr && (*ptr < '1' || *ptr > '9')) {
		    lz++;
		    ptr++;
		}
		if (lz) {
		    sprintf(buf, "%d ", lz);
		    strcat(dashes, buf);
		}
		while (*ptr) {
		    dig = 0;
		    while (*ptr >= '1' && *ptr <= '9') {
			dig++;
			ptr++;
		    }
		    if (dig) {
			sprintf(buf, "%d ", dig);
			strcat(dashes, buf);
		    }
		    z = 0;
		    while (*ptr && (*ptr < '1' || *ptr > '9')) {
			z++;
			ptr++;
		    }
		    if (z) {
			sprintf(buf, "%d ", z);
			strcat(dashes, buf);
		    }
		}
	    }
	    sprintf(buf, "] %d", lz);
	    strcat(dashes, buf);
	    fprintf(PS.fp, "%s setdash\n", dashes);
	    vector.layer[n].setdash = G_store(dashes);
	    if (vector.layer[n].linestyle != NULL)
		G_debug(1, "Dash style: '%s setdash'", dashes);
	    PS_vlines_plot(&Map, n, LINE_DRAW_LINE);
	}

	Vect_close(&Map);
	fprintf(PS.fp, "[] 0 setdash\n");
    }

    return 0;
}


int do_vpoints(int after_masking)
{
    int n;
    struct Map_info Map;

    n = vector.count;
    while (n-- > 0) {
	if (vector.layer[n].type != VPOINTS)
	    continue;
	if (after_masking && vector.layer[n].masked)
	    continue;
	if (!after_masking && !vector.layer[n].masked)
	    continue;

	G_message(_("Reading vector points file <%s in %s> ..."),
		  vector.layer[n].name, vector.layer[n].mapset);

	Vect_set_open_level(2);
	if (2 > Vect_open_old(&Map, vector.layer[n].name,
				vector.layer[n].mapset)) {
	    char name[100];

	    sprintf(name, "%s in %s", vector.layer[n].name,
		    vector.layer[n].mapset);
	    error("vector map", name, "can't open");
	    continue;
	}

	PS_vpoints_plot(&Map, n);

	Vect_close(&Map);
	fprintf(PS.fp, "[] 0 setdash\n");
    }

    return 0;
}