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authorlecoanet2000-01-13 09:48:57 +0000
committerlecoanet2000-01-13 09:48:57 +0000
commitdebd13ff0ae978f0826585d0d8dad2d4bb0ea38e (patch)
tree4dc80fa584b0bf05d8976d2adc389a7496f12cbc /generic/Map.c
parentc96be627ebe9e7b7e3159b81ac02ff7120465beb (diff)
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Adaptation des ent�tes.
Utilisation du module de couleur interne. Suppression des lignes doubles.
Diffstat (limited to 'generic/Map.c')
-rw-r--r--generic/Map.c1395
1 files changed, 1395 insertions, 0 deletions
diff --git a/generic/Map.c b/generic/Map.c
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index 0000000..45644d4
--- /dev/null
+++ b/generic/Map.c
@@ -0,0 +1,1395 @@
+/*
+ * Map.c -- Implementation of Map item.
+ *
+ * Authors : Patrick Lecoanet.
+ * Creation date :
+ *
+ * $Id$
+ */
+
+/*
+ * Copyright (c) 1993 - 1999 CENA, Patrick Lecoanet --
+ *
+ * This code is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This code is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this code; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+#include "Types.h"
+#include "MapInfo.h"
+#include "Item.h"
+#include "Geo.h"
+#include "Draw.h"
+#include "WidgetInfo.h"
+#include "tkRadar.h"
+#ifdef PERFOS
+#include "perfos.h"
+#endif
+
+#include <memory.h>
+#include <malloc.h>
+#include <stdio.h>
+
+
+static const char rcsid[] = "$Id$";
+static const char compile_id[]="$Compile: " __FILE__ " " __DATE__ " " __TIME__ " $";
+
+
+/*
+ **********************************************************************************
+ *
+ * Specific Map item record
+ *
+ **********************************************************************************
+ */
+
+typedef struct _MapItemStruct {
+ ItemStruct header;
+
+ /* Public data */
+ RadarBool filled;
+ Pixmap fill_pattern;
+ RadarColor color;
+ RadarFont text_font; /* null value -> use radar_map_text_font */
+ char *map_info_name;
+ RadarList symbol_patterns;
+
+ /* Private data */
+ MapInfoId map_info;
+ RadarList vectors;
+ RadarList dashed_vectors;
+ RadarList dotted_vectors;
+ RadarList mixed_vectors;
+ RadarList arcs;
+ RadarList dashed_arcs;
+ RadarList dotted_arcs;
+ RadarList mixed_arcs;
+ RadarList marks;
+ RadarList symbols;
+ RadarList texts;
+#ifdef PERFOS
+ Chrono chrono_trans;
+ Chrono chrono_draw;
+#endif
+} MapItemStruct, *MapItem;
+
+
+static RadarAttrConfig map_attrs[] = {
+ { RADAR_CONFIG_COLOR, "-color", NULL,
+ Tk_Offset(MapItemStruct, color), 0, RADAR_DRAW_FLAG, False },
+ { RADAR_CONFIG_BOOL, "-composerotation", NULL,
+ Tk_Offset(MapItemStruct, header.flags), COMPOSE_ROTATION_BIT,
+ RADAR_COORDS_FLAG, False },
+ { RADAR_CONFIG_BOOL, "-composescale", NULL,
+ Tk_Offset(MapItemStruct, header.flags), COMPOSE_SCALE_BIT,
+ RADAR_COORDS_FLAG, False },
+ { RADAR_CONFIG_BOOL, "-filled", NULL,
+ Tk_Offset(MapItemStruct, filled), 1, RADAR_COORDS_FLAG, False },
+ { RADAR_CONFIG_PATTERN, "-fillpattern", NULL,
+ Tk_Offset(MapItemStruct, fill_pattern), 0, RADAR_DRAW_FLAG, False },
+ { RADAR_CONFIG_FONT, "-font", NULL,
+ Tk_Offset(MapItemStruct, text_font), 0, RADAR_COORDS_FLAG, False },
+ { RADAR_CONFIG_MAP_INFO, "-mapinfo", NULL,
+ Tk_Offset(MapItemStruct, map_info_name), 0,
+ RADAR_COORDS_FLAG|RADAR_MAP_INFO_FLAG, False },
+ { RADAR_CONFIG_PRI, "-priority", NULL,
+ Tk_Offset(MapItemStruct, header.priority), 0,
+ RADAR_DRAW_FLAG|RADAR_REPICK_FLAG, False },
+ { RADAR_CONFIG_BOOL, "-sensitive", NULL,
+ Tk_Offset(MapItemStruct, header.flags), SENSITIVE_BIT, RADAR_REPICK_FLAG, False },
+ { RADAR_CONFIG_PATTERNS, "-symbols", NULL,
+ Tk_Offset(MapItemStruct, symbol_patterns), 0,
+ RADAR_COORDS_FLAG, False },
+ { RADAR_CONFIG_TAGS, "-tags", NULL,
+ Tk_Offset(MapItemStruct, header.tags), 0, 0, False },
+ { RADAR_CONFIG_BOOL, "-visible", NULL,
+ Tk_Offset(MapItemStruct, header.flags), VISIBLE_BIT,
+ RADAR_DRAW_FLAG|RADAR_REPICK_FLAG|RADAR_VIS_FLAG, False },
+
+ { RADAR_CONFIG_END, NULL, NULL, 0, 0, 0 }
+};
+
+
+void
+UpdateMapInfo(ClientData client_data,
+ MapInfoId map_info)
+{
+ Item item = (Item) client_data;
+
+ /*printf("updating a map 'cause of a change in mapinfo\n");*/
+ ITEM.Invalidate(item, RADAR_COORDS_FLAG);
+}
+
+
+static void
+FreeLists(MapItem map)
+{
+ if (map->vectors) {
+ RadarListFree(map->vectors);
+ }
+ map->vectors = NULL;
+ if (map->dashed_vectors) {
+ RadarListFree(map->dashed_vectors);
+ }
+ map->dashed_vectors = NULL;
+ if (map->dotted_vectors) {
+ RadarListFree(map->dotted_vectors);
+ }
+ map->dotted_vectors = NULL;
+ if (map->mixed_vectors) {
+ RadarListFree(map->mixed_vectors);
+ }
+ map->mixed_vectors = NULL;
+
+ if (map->arcs) {
+ RadarListFree(map->arcs);
+ }
+ map->arcs = NULL;
+ if (map->dashed_arcs) {
+ RadarListFree(map->dashed_arcs);
+ }
+ map->dashed_arcs = NULL;
+ if (map->dotted_arcs) {
+ RadarListFree(map->dotted_arcs);
+ }
+ map->dotted_arcs = NULL;
+ if (map->mixed_arcs) {
+ RadarListFree(map->mixed_arcs);
+ }
+ map->mixed_arcs = NULL;
+
+ if (map->marks) {
+ RadarListFree(map->marks);
+ }
+ map->marks = NULL;
+
+ if (map->symbols) {
+ RadarListFree(map->symbols);
+ }
+ map->symbols = NULL;
+
+ if (map->texts) {
+ RadarListFree(map->texts);
+ }
+ map->texts = NULL;
+}
+
+
+/*
+ **********************************************************************************
+ *
+ * Init --
+ *
+ **********************************************************************************
+ */
+static int
+Init(Item item,
+ int *argc,
+ Arg **args)
+{
+ MapItem map = (MapItem) item;
+ WidgetInfo *wi = item->wi;
+
+ SET(item->flags, VISIBLE_BIT);
+ CLEAR(item->flags, SENSITIVE_BIT);
+ SET(item->flags, COMPOSE_ROTATION_BIT);
+ SET(item->flags, COMPOSE_SCALE_BIT);
+ item->part_sensitive = 0;
+ item->priority = DEFAULT_MAP_PRIORITY;
+ map->filled = False;
+ map->fill_pattern = RadarUnspecifiedPattern;
+ map->symbol_patterns = NULL;
+ map->color = RadarGetColorByValue(wi->win, wi->fore_color);
+ map->text_font = Tk_GetFont(wi->interp, wi->win, Tk_NameOfFont(wi->map_text_font));
+ map->map_info_name = "";
+ map->map_info = NULL;
+
+ map->vectors = NULL;
+ map->dashed_vectors = NULL;
+ map->dotted_vectors = NULL;
+ map->mixed_vectors = NULL;
+ map->arcs = NULL;
+ map->dashed_arcs = NULL;
+ map->dotted_arcs = NULL;
+ map->mixed_arcs = NULL;
+ map->marks = NULL;
+ map->symbols = NULL;
+ map->texts = NULL;
+
+#ifdef PERFOS
+ map->chrono_trans = NewChrono("Temps de transfo carte");
+ map->chrono_draw = NewChrono("Temps de dessin carte");
+ RazChronos();
+#endif
+
+ return RADAR_OK;
+}
+
+
+/*
+ **********************************************************************************
+ *
+ * Clone --
+ *
+ **********************************************************************************
+ */
+
+static void
+Clone(Item item)
+{
+ MapItem map = (MapItem) item;
+ WidgetInfo *wi = item->wi;
+
+ if (map->vectors) {
+ map->vectors = RadarListDuplicate(map->vectors);
+ }
+ if (map->dashed_vectors) {
+ map->dashed_vectors = RadarListDuplicate(map->dashed_vectors);
+ }
+ if (map->dotted_vectors) {
+ map->dotted_vectors = RadarListDuplicate(map->dotted_vectors);
+ }
+ if (map->mixed_vectors) {
+ map->mixed_vectors = RadarListDuplicate(map->mixed_vectors);
+ }
+
+ if (map->arcs) {
+ map->arcs = RadarListDuplicate(map->arcs);
+ }
+ if (map->dashed_arcs) {
+ map->dashed_arcs = RadarListDuplicate(map->dashed_arcs);
+ }
+ if (map->dotted_arcs) {
+ map->dotted_arcs = RadarListDuplicate(map->dotted_arcs);
+ }
+ if (map->mixed_arcs) {
+ map->mixed_arcs = RadarListDuplicate(map->mixed_arcs);
+ }
+
+ if (map->marks) {
+ map->marks = RadarListDuplicate(map->marks);
+ }
+
+ if (map->symbols) {
+ map->symbols = RadarListDuplicate(map->symbols);
+ }
+
+ if (map->texts) {
+ map->texts = RadarListDuplicate(map->texts);
+ }
+
+ if (strlen(map->map_info_name) != 0) {
+ char *text;
+ text = RadarMalloc((strlen(map->map_info_name) + 1) * sizeof(char));
+ strcpy(text, map->map_info_name);
+ map->map_info_name = text;
+ map->map_info = Radar_GetMapInfo(wi->interp, map->map_info_name,
+ UpdateMapInfo, (ClientData) map);
+ }
+
+ map->color = RadarGetColorByValue(wi->win, map->color);
+ map->text_font = Tk_GetFont(wi->interp, wi->win, Tk_NameOfFont(map->text_font));
+ if (map->fill_pattern != RadarUnspecifiedPattern) {
+ map->fill_pattern = Tk_GetBitmap(wi->interp, wi->win,
+ Tk_NameOfBitmap(wi->dpy, map->fill_pattern));
+ }
+ if (map->symbol_patterns) {
+ Pixmap *pats, *new_pats;
+ int i, num_pats;
+
+ pats = (Pixmap *) RadarListArray(map->symbol_patterns);
+ num_pats = RadarListSize(map->symbol_patterns);
+ map->symbol_patterns = RadarListNew(num_pats, sizeof(Pixmap));
+ new_pats = (Pixmap *) RadarListArray(map->symbol_patterns);
+ for (i = 0; i < num_pats; i++) {
+ new_pats[i] = Tk_GetBitmap(wi->interp, wi->win,
+ Tk_NameOfBitmap(wi->dpy, pats[i]));
+ }
+ }
+}
+
+
+/*
+ **********************************************************************************
+ *
+ * Destroy --
+ * Free the Map storage.
+ *
+ **********************************************************************************
+ */
+static void
+Destroy(Item item)
+{
+ MapItem map = (MapItem) item;
+
+ FreeLists(map);
+ RadarFreeColor(map->color);
+ Tk_FreeFont(map->text_font);
+ if (map->fill_pattern != RadarUnspecifiedPattern) {
+ Tk_FreeBitmap(item->wi->dpy, map->fill_pattern);
+ }
+ if (map->symbol_patterns) {
+ Pixmap *pats;
+ int i, num_pats;
+
+ pats = (Pixmap *) RadarListArray(map->symbol_patterns);
+ num_pats = RadarListSize(map->symbol_patterns);
+ for (i = 0; i < num_pats; i++) {
+ Tk_FreeBitmap(item->wi->dpy, pats[i]);
+ }
+ RadarListFree(map->symbol_patterns);
+ }
+ if (strlen(map->map_info_name) != 0) {
+ RadarFree(map->map_info_name);
+ }
+ if (map->map_info != NULL) {
+ Radar_FreeMapInfo(map->map_info, UpdateMapInfo, (ClientData) map);
+ }
+}
+
+
+/*
+ **********************************************************************************
+ *
+ * Configure --
+ *
+ **********************************************************************************
+ */
+static int
+Configure(Item item,
+ int argc,
+ RadarAttrList argv,
+ int *flags)
+{
+ WidgetInfo *wi = item->wi;
+ MapItem map = (MapItem) item;
+
+ if (ITEM_P.ConfigureAttributes((char *) item, -1, argc, argv, flags) == RADAR_ERROR) {
+ return RADAR_ERROR;
+ }
+
+ if (ISSET(*flags, RADAR_MAP_INFO_FLAG)) {
+ MapInfoId map_info;
+ RadarBool error = False;
+
+ if (strlen(map->map_info_name) != 0) {
+ map_info = Radar_GetMapInfo(wi->interp, map->map_info_name,
+ UpdateMapInfo, (ClientData) map);
+ if (!map_info) {
+ error = True;
+ }
+ }
+ else {
+ map_info = NULL;
+ }
+ if (!error) {
+ if (map->map_info != NULL) {
+ Radar_FreeMapInfo(map->map_info, UpdateMapInfo, (ClientData) map);
+ }
+ map->map_info = map_info;
+ }
+ else {
+ return RADAR_ERROR;
+ }
+ }
+
+ return RADAR_OK;
+}
+
+
+/*
+ **********************************************************************************
+ *
+ * Query --
+ *
+ **********************************************************************************
+ */
+static int
+Query(Item item,
+ int argc,
+ RadarAttrList argv)
+{
+ if (ITEM_P.QueryAttribute((char *) item, -1, argv[0]) == RADAR_ERROR) {
+ return RADAR_ERROR;
+ }
+
+ return RADAR_OK;
+}
+
+
+/*
+ **********************************************************************************
+ *
+ * ComputeCoordinates --
+ *
+ **********************************************************************************
+ */
+
+static void
+ComputeCoordinates(Item item,
+ RadarBool force)
+{
+ WidgetInfo *wi = item->wi;
+ MapItem map = (MapItem) item;
+ MapInfoId map_info;
+ MapInfoLineStyle line_style;
+ int line_width;
+ MapInfoTextStyle text_style;
+ char symbol;
+ char *text;
+ unsigned int i, j, cnt;
+ unsigned int num_points;
+ unsigned int num_dashed_points;
+ unsigned int num_dotted_points;
+ unsigned int num_mixed_points;
+ unsigned int num_arcs;
+ unsigned int num_dashed_arcs;
+ unsigned int num_dotted_arcs;
+ unsigned int num_mixed_arcs;
+ unsigned int num_marks;
+ RadarPoint *vectors, *dashed_vectors, *dotted_vectors;
+ RadarPoint *mixed_vectors, *marks;
+ XArc *arcs, *dashed_arcs, *dotted_arcs, *mixed_arcs;
+ RadarPoint *symbols, *texts;
+ RadarPoint from, to, center;
+ RadarPoint tmp_from, tmp_to;
+ XArc arc;
+ RadarBBox bbox, bbox_inter, radar_bbox;
+ int x_from_w, y_from_w, x_to_w, y_to_w;
+ int radius, start_angle, extend;
+ unsigned int radius_w;
+ MapInfoPoint new_marks;
+ unsigned int n_new_marks;
+ RadarFont text_font;
+ int sym_w2=0, sym_h2=0;
+
+ ResetBBox(&item->item_bounding_box);
+
+ if (map->map_info == NULL) {
+ return;
+ }
+
+ radar_bbox.orig.x = radar_bbox.orig.y = 0;
+ radar_bbox.corner.x = wi->width;
+ radar_bbox.corner.y = wi->height;
+
+ map_info = map->map_info;
+
+#ifdef PERFOS
+ StartUCChrono(map->chrono_trans);
+#endif
+
+ num_points = 0;
+ num_dashed_points = 0;
+ num_dotted_points = 0;
+ num_mixed_points = 0;
+ num_marks = 0;
+ num_arcs = 0;
+ num_dashed_arcs = 0;
+ num_dotted_arcs = 0;
+ num_mixed_arcs = 0;
+
+ /*
+ * Experimental code to help trap out of bounds
+ * errors occuring as the result of improper use
+ * of MapInfo/Map (i.e not doing a configure on
+ * the MapInfo attribute after a reconfiguration
+ * of the MapInfo. This version is more secure
+ * but slower than the previous one.
+ */
+ /*
+ * First discover how many component of each kind
+ * there is in the MapInfo.
+ */
+ cnt = MapInfoNumLines(map_info);
+ for (i = 0; i < cnt; i++) {
+ MapInfoGetLine(map_info, i, NULL, &line_style, NULL, NULL, NULL, NULL, NULL);
+ switch (line_style) {
+ case MapInfoLineSimple:
+ num_points += 2;
+ break;
+ case MapInfoLineDashed:
+ num_dashed_points += 2;
+ break;
+ case MapInfoLineDotted:
+ num_dotted_points += 2;
+ break;
+ case MapInfoLineMixed:
+ num_mixed_points += 2;
+ break;
+ case MapInfoLineMarked:
+ num_points += 2;
+ MapInfoGetMarks(map_info, i, NULL, &n_new_marks);
+ num_marks += n_new_marks;
+ break;
+ }
+ }
+
+ cnt = MapInfoNumTexts(map_info);
+ for (i = 0; i < cnt; i++) {
+ MapInfoGetText(map_info, i, NULL, &text_style, &line_style, NULL, NULL, NULL);
+ if (text_style == MapInfoUnderlinedText) {
+ switch (line_style) {
+ case MapInfoLineSimple:
+ case MapInfoLineMarked:
+ num_points += 2;
+ break;
+ case MapInfoLineDotted:
+ num_dotted_points += 2;
+ break;
+ case MapInfoLineMixed:
+ num_mixed_points += 2;
+ break;
+ case MapInfoLineDashed:
+ num_dashed_points += 2;
+ break;
+ }
+ }
+ }
+
+ cnt = MapInfoNumArcs(map_info);
+ for (i = 0; i < cnt; i++) {
+ MapInfoGetArc(map_info, i, NULL, &line_style, NULL, NULL, NULL, NULL, NULL, NULL);
+ switch (line_style) {
+ case MapInfoLineSimple:
+ case MapInfoLineMarked:
+ num_arcs += 2;
+ break;
+ case MapInfoLineDotted:
+ num_dotted_arcs += 2;
+ break;
+ case MapInfoLineMixed:
+ num_mixed_arcs += 2;
+ break;
+ case MapInfoLineDashed:
+ num_dashed_arcs += 2;
+ break;
+ }
+ }
+
+ /*
+ * Make sure the various lists are large enough
+ * to contain the computed amount of points.
+ * Later we will cut them to take into account the
+ * clipping and the filled attribute.
+ */
+ if (!map->vectors) {
+ map->vectors = RadarListNew(num_points, sizeof(RadarPoint));
+ }
+ RadarListAssertSize(map->vectors, num_points);
+ if (!map->dashed_vectors) {
+ map->dashed_vectors = RadarListNew(num_dashed_points, sizeof(RadarPoint));
+ }
+ RadarListAssertSize(map->dashed_vectors, num_dashed_points);
+ if (!map->dotted_vectors) {
+ map->dotted_vectors = RadarListNew(num_dotted_points, sizeof(RadarPoint));
+ }
+ RadarListAssertSize(map->dotted_vectors, num_dotted_points);
+ if (!map->mixed_vectors) {
+ map->mixed_vectors = RadarListNew(num_mixed_points, sizeof(RadarPoint));
+ }
+ RadarListAssertSize(map->mixed_vectors, num_mixed_points);
+ if (!map->arcs) {
+ map->arcs = RadarListNew(num_arcs, sizeof(XArc));
+ }
+ RadarListAssertSize(map->arcs, num_arcs);
+ if (!map->dashed_arcs) {
+ map->dashed_arcs = RadarListNew(num_dashed_arcs, sizeof(XArc));
+ }
+ RadarListAssertSize(map->dashed_arcs, num_dashed_arcs);
+ if (!map->dotted_arcs) {
+ map->dotted_arcs = RadarListNew(num_dotted_arcs, sizeof(XArc));
+ }
+ RadarListAssertSize(map->dotted_arcs, num_dotted_arcs);
+ if (!map->mixed_arcs) {
+ map->mixed_arcs = RadarListNew(num_mixed_arcs, sizeof(XArc));
+ }
+ RadarListAssertSize(map->mixed_arcs, num_mixed_arcs);
+ if (!map->marks) {
+ map->marks = RadarListNew(num_marks, sizeof(RadarPoint));
+ }
+ RadarListAssertSize(map->marks, num_marks);
+ if (!map->symbols) {
+ map->symbols = RadarListNew(MapInfoNumSymbols(map_info), sizeof(RadarPoint));
+ }
+ RadarListAssertSize(map->symbols, MapInfoNumSymbols(map_info));
+ if (!map->texts) {
+ map->texts = RadarListNew(MapInfoNumTexts(map_info), sizeof(RadarPoint));
+ }
+ RadarListAssertSize(map->texts, MapInfoNumTexts(map_info));
+
+ /*
+ * Ask the pointers to the actual arrays.
+ */
+ vectors = (RadarPoint *) RadarListArray(map->vectors);
+ dashed_vectors = (RadarPoint *) RadarListArray(map->dashed_vectors);
+ dotted_vectors = (RadarPoint *) RadarListArray(map->dotted_vectors);
+ mixed_vectors = (RadarPoint *) RadarListArray(map->mixed_vectors);
+ arcs = (XArc *) RadarListArray(map->arcs);
+ dashed_arcs = (XArc *) RadarListArray(map->dashed_arcs);
+ dotted_arcs = (XArc *) RadarListArray(map->dotted_arcs);
+ mixed_arcs = (XArc *) RadarListArray(map->mixed_arcs);
+ marks = (RadarPoint *) RadarListArray(map->marks);
+ symbols = (RadarPoint *) RadarListArray(map->symbols);
+ texts = (RadarPoint *) RadarListArray(map->texts);
+
+ if (num_marks && (wi->map_distance_symbol != RadarUnspecifiedPattern)) {
+ Tk_SizeOfBitmap(wi->dpy, wi->map_distance_symbol, &sym_w2, &sym_h2);
+ sym_w2 = (sym_w2+1)/2;
+ sym_h2 = (sym_h2+1)/2;
+ }
+ /*printf("Map: %d %d %d %d %d, texts: %d, symbols: %d\n", num_points, num_dashed_points, num_dotted_points,
+ num_mixed_points, num_marks, MapInfoNumTexts(map_info), MapInfoNumSymbols(map_info));*/
+ /*
+ * Reset the counts of points to compute the actual
+ * counts taking into account the clipping and the
+ * filled attribute.
+ */
+ num_points = 0;
+ num_dashed_points = 0;
+ num_dotted_points = 0;
+ num_mixed_points = 0;
+ num_marks = 0;
+ num_arcs = 0;
+ num_dashed_arcs = 0;
+ num_dotted_arcs = 0;
+ num_mixed_arcs = 0;
+
+ cnt = MapInfoNumLines(map_info);
+ for (i = 0; i < cnt; i++) {
+ MapInfoGetLine(map_info, i, NULL, &line_style, &line_width,
+ &x_from_w, &y_from_w, &x_to_w, &y_to_w);
+
+ tmp_from.x = x_from_w;
+ tmp_from.y = y_from_w;
+ tmp_to.x = x_to_w;
+ tmp_to.y = y_to_w;
+ RadarTransformPoint(wi->current_transfo, &tmp_from, &from);
+ RadarTransformPoint(wi->current_transfo, &tmp_to, &to);
+
+ /*
+ * Skip zero length and outside segments.
+ */
+ if ((from.x == to.x) && (from.y == to.y)) {
+ continue;
+ }
+
+ if (!map->filled) {
+ if (LineInBBox(&from, &to, &radar_bbox) < 0) {
+ continue;
+ }
+ }
+
+ switch (line_style) {
+ case MapInfoLineSimple:
+ vectors[num_points] = from;
+ num_points++;
+ vectors[num_points] = to;
+ num_points++;
+ break;
+ case MapInfoLineDashed:
+ if (!map->filled) {
+ dashed_vectors[num_dashed_points] = from;
+ num_dashed_points++;
+ dashed_vectors[num_dashed_points] = to;
+ num_dashed_points++;
+ }
+ break;
+ case MapInfoLineDotted:
+ if (!map->filled) {
+ dotted_vectors[num_dotted_points] = from;
+ num_dotted_points++;
+ dotted_vectors[num_dotted_points] = to;
+ num_dotted_points++;
+ }
+ break;
+ case MapInfoLineMixed:
+ if (!map->filled) {
+ mixed_vectors[num_mixed_points] = from;
+ num_mixed_points++;
+ mixed_vectors[num_mixed_points] = to;
+ num_mixed_points++;
+ }
+ break;
+ case MapInfoLineMarked:
+ if (!map->filled) {
+ vectors[num_points] = from;
+ num_points++;
+ vectors[num_points] = to;
+ num_points++;
+ if (wi->map_distance_symbol != RadarUnspecifiedPattern) {
+ MapInfoGetMarks(map_info, i, &new_marks, &n_new_marks);
+ for (j = 0; j < n_new_marks; j++) {
+ /*
+ * The transform can be put outside the loop when
+ * MapInfo point type is modified to RadarPoint.
+ * Will use then RadarTransformPoints.
+ */
+ tmp_from.x = new_marks[j].x;
+ tmp_from.y = new_marks[j].y;
+ RadarTransformPoint(wi->current_transfo, &tmp_from, &marks[num_marks]);
+ AddPointToBBox(&item->item_bounding_box,
+ marks[num_marks].x-sym_w2, marks[num_marks].y-sym_h2);
+ AddPointToBBox(&item->item_bounding_box,
+ marks[num_marks].x+sym_w2, marks[num_marks].x+sym_h2);
+ num_marks++;
+ }
+ }
+ }
+ break;
+ }
+ }
+
+ cnt = MapInfoNumArcs(map_info);
+ for (i = 0; i < cnt; i++) {
+ RadarPoint xp;
+
+ MapInfoGetArc(map_info, i, NULL, &line_style, &line_width,
+ &x_from_w, &y_from_w, &radius_w, &start_angle, &extend);
+
+ tmp_from.x = x_from_w;
+ tmp_from.y = y_from_w;
+ RadarTransformPoint(wi->current_transfo, &tmp_from, &center);
+ tmp_from.x += radius_w;
+ tmp_from.y = 0;
+ RadarTransformPoint(wi->current_transfo, &tmp_from, &xp);
+ radius = xp.x - center.x;
+
+ bbox.orig.x = center.x - radius;
+ bbox.orig.y = center.y - radius;
+ bbox.corner.x = bbox.orig.x + (2 * radius);
+ bbox.corner.y = bbox.orig.y + (2 * radius);
+
+ /*
+ * Skip zero length and outside arcs.
+ */
+ if (!radius || !extend) {
+ continue;
+ }
+
+ IntersectBBox(&radar_bbox, &bbox, &bbox_inter);
+ if (IsEmptyBBox(&bbox_inter)) {
+ continue;
+ }
+
+ arc.x = center.x - radius;
+ arc.y = center.y - radius;
+ arc.width = 2 * radius;
+ arc.height = arc.width;
+ arc.angle1 = start_angle;
+ arc.angle2 = extend;
+
+ switch (line_style) {
+ case MapInfoLineSimple:
+ case MapInfoLineMarked:
+ arcs[num_arcs] = arc;
+ num_arcs++;
+
+ bbox.orig.x = arc.x;
+ bbox.orig.y = arc.y;
+ bbox.corner.x = bbox.orig.x + arc.width + 1;
+ bbox.corner.y = bbox.orig.y + arc.height + 1;
+ AddBBoxToBBox(&item->item_bounding_box, &bbox);
+ break;
+ case MapInfoLineDashed:
+ if (!map->filled) {
+ dashed_arcs[num_dashed_arcs] = arc;
+ num_dashed_arcs++;
+
+ bbox.orig.x = arc.x;
+ bbox.orig.y = arc.y;
+ bbox.corner.x = bbox.orig.x + arc.width + 1;
+ bbox.corner.y = bbox.orig.y + arc.height + 1;
+ AddBBoxToBBox(&item->item_bounding_box, &bbox);
+ }
+ break;
+ case MapInfoLineDotted:
+ if (!map->filled) {
+ dotted_arcs[num_dotted_arcs] = arc;
+ num_dotted_arcs++;
+
+ bbox.orig.x = arc.x;
+ bbox.orig.y = arc.y;
+ bbox.corner.x = bbox.orig.x + arc.width + 1;
+ bbox.corner.y = bbox.orig.y + arc.height + 1;
+ AddBBoxToBBox(&item->item_bounding_box, &bbox);
+ }
+ break;
+ case MapInfoLineMixed:
+ if (!map->filled) {
+ mixed_arcs[num_mixed_arcs] = arc;
+ num_mixed_arcs++;
+
+ bbox.orig.x = arc.x;
+ bbox.orig.y = arc.y;
+ bbox.corner.x = bbox.orig.x + arc.width + 1;
+ bbox.corner.y = bbox.orig.y + arc.height + 1;
+ AddBBoxToBBox(&item->item_bounding_box, &bbox);
+ }
+ break;
+ }
+ }
+
+ /*
+ * Truncate arc lists to the real size.
+ */
+ RadarListAssertSize(map->arcs, num_arcs);
+ RadarListAssertSize(map->dashed_arcs, num_dashed_arcs);
+ RadarListAssertSize(map->dotted_arcs, num_dotted_arcs);
+ RadarListAssertSize(map->mixed_arcs, num_mixed_arcs);
+
+#ifdef PERFOS
+ StopUCChrono(map->chrono_trans);
+ PrintChronos();
+ RazChronos();
+#endif
+
+ /* If map is filled, only the vectors description is valid. */
+ if (!map->filled) {
+ if (map->symbol_patterns) {
+ Pixmap sym, *syms = (Pixmap *) RadarListArray(map->symbol_patterns);
+ int num_syms = RadarListSize(map->symbol_patterns);
+
+ cnt = MapInfoNumSymbols(map_info);
+ for (i = 0; i < cnt; i++) {
+ MapInfoGetSymbol(map_info, i, NULL, &x_from_w, &y_from_w, &symbol);
+ tmp_from.x = x_from_w;
+ tmp_from.y = y_from_w;
+ RadarTransformPoint(wi->current_transfo, &tmp_from, &symbols[i]);
+ sym = syms[symbol%num_syms];
+ if (sym != RadarUnspecifiedPattern) {
+ Tk_SizeOfBitmap(wi->dpy, sym, &sym_w2, &sym_h2);
+ sym_w2 = (sym_w2+1)/2;
+ sym_h2 = (sym_h2+1)/2;
+ AddPointToBBox(&item->item_bounding_box,
+ symbols[i].x-sym_w2, symbols[i].y-sym_h2);
+ AddPointToBBox(&item->item_bounding_box,
+ symbols[i].x+sym_w2, symbols[i].y+sym_h2);
+ }
+ }
+ RadarListAssertSize(map->symbols, cnt);
+ }
+
+ cnt = MapInfoNumTexts(map_info);
+ text_font = map->text_font ? map->text_font : wi->map_text_font;
+ for (i = 0; i < cnt; i++) {
+ MapInfoGetText(map_info, i, NULL,
+ &text_style, &line_style, &x_from_w, &y_from_w, &text);
+ tmp_from.x = x_from_w;
+ tmp_from.y = y_from_w;
+ RadarTransformPoint(wi->current_transfo, &tmp_from, &texts[i]);
+ AddStringToBBox(&item->item_bounding_box, text, text_font,
+ texts[i].x, texts[i].y);
+
+ if (text_style == MapInfoUnderlinedText) {
+ GetStringBBox(text, text_font, texts[i].x, texts[i].y, &bbox);
+
+ from.x = bbox.orig.x;
+ from.y = bbox.corner.y;
+ to.x = bbox.corner.x;
+ to.y = bbox.corner.y;
+
+ switch (line_style) {
+ case MapInfoLineSimple:
+ case MapInfoLineMarked:
+ vectors[num_points] = from;
+ num_points++;
+ vectors[num_points] = to;
+ num_points++;
+ break;
+ case MapInfoLineDashed:
+ dashed_vectors[num_dashed_points] = from;
+ num_dashed_points++;
+ dashed_vectors[num_dashed_points] = to;
+ num_dashed_points++;
+ break;
+ case MapInfoLineDotted:
+ dotted_vectors[num_dotted_points] = from;
+ num_dotted_points++;
+ dotted_vectors[num_dotted_points] = to;
+ num_dotted_points++;
+ break;
+ case MapInfoLineMixed:
+ mixed_vectors[num_mixed_points] = from;
+ num_mixed_points++;
+ mixed_vectors[num_mixed_points] = to;
+ num_mixed_points++;
+ break;
+ }
+ }
+ }
+ RadarListAssertSize(map->texts, cnt);
+ }
+
+ /*
+ * Truncate line lists to the real size.
+ */
+ RadarListAssertSize(map->vectors, num_points);
+ RadarListAssertSize(map->dashed_vectors, num_dashed_points);
+ RadarListAssertSize(map->dotted_vectors, num_dotted_points);
+ RadarListAssertSize(map->mixed_vectors, num_mixed_points);
+ RadarListAssertSize(map->marks, num_marks);
+
+ AddPointsToBBox(&item->item_bounding_box,
+ (RadarPoint *) RadarListArray(map->vectors),
+ RadarListSize(map->vectors));
+ AddPointsToBBox(&item->item_bounding_box,
+ (RadarPoint *) RadarListArray(map->dashed_vectors),
+ RadarListSize(map->dashed_vectors));
+ AddPointsToBBox(&item->item_bounding_box,
+ (RadarPoint *) RadarListArray(map->dotted_vectors),
+ RadarListSize(map->dotted_vectors));
+ AddPointsToBBox(&item->item_bounding_box,
+ (RadarPoint *) RadarListArray(map->mixed_vectors),
+ RadarListSize(map->mixed_vectors));
+}
+
+
+/*
+ **********************************************************************************
+ *
+ * ToArea --
+ * Tell if the object is entirely outside (-1),
+ * entirely inside (1) or in between (0).
+ *
+ **********************************************************************************
+ */
+
+static int
+ToArea(Item item,
+ RadarBBox *area,
+ Tk_Uid tag_uid,
+ int enclosed,
+ RadarBool report)
+{
+ return -1;
+}
+
+
+/*
+ **********************************************************************************
+ *
+ * Draw --
+ *
+ **********************************************************************************
+ */
+
+static void
+Draw(Item item)
+{
+ WidgetInfo *wi = item->wi;
+ MapItem map = (MapItem) item;
+ MapInfoId map_info;
+ RadarPoint *points;
+ XPoint *xpoints;
+ char *text;
+ char tmp_str[] = ".";
+ XGCValues values;
+ unsigned int i, cnt, tst = 0;
+ int line_width;
+
+ if (map->map_info == NULL) {
+ return;
+ }
+
+ map_info = map->map_info;
+
+ values.foreground = RadarPixel(map->color);
+
+ if (map->filled) {
+ if (RadarListSize(map->vectors) || RadarListSize(map->arcs)) {
+ if (map->fill_pattern == RadarUnspecifiedPattern) { /* Fill solid */
+ values.fill_style = FillSolid;
+ XChangeGC(wi->dpy, wi->gc, GCFillStyle | GCForeground, &values);
+ }
+ else { /* Fill stippled */
+ values.fill_style = FillStippled;
+ values.stipple = map->fill_pattern;
+ XChangeGC(wi->dpy, wi->gc,
+ GCFillStyle | GCStipple | GCForeground, &values);
+ }
+
+ cnt = RadarListSize(map->vectors);
+ if (cnt) {
+ xpoints = (XPoint *) alloca(cnt * sizeof(XPoint));
+ points = (RadarPoint *) RadarListArray(map->vectors);
+ for (i = 0; i < cnt; i++) {
+ xpoints[i].x = points[i].x;
+ xpoints[i].y = points[i].y;
+ }
+ XFillPolygon(wi->dpy, wi->draw_buffer, wi->gc, xpoints, cnt,
+ Nonconvex, CoordModeOrigin);
+ }
+
+ if (RadarListSize(map->arcs)) {
+ XFillArcs(wi->dpy, wi->draw_buffer, wi->gc,
+ (XArc *) RadarListArray(map->arcs), RadarListSize(map->arcs));
+ }
+ }
+ }
+ else { /* Not filled */
+
+#ifdef PERFOS
+ StartUCChrono(map->chrono_draw);
+#endif
+ if (RadarListSize(map->vectors)) {
+ SetLineStyle(wi->dpy, wi->gc, LINE_SIMPLE);
+ values.fill_style = FillSolid;
+ values.line_width = 0;
+ XChangeGC(wi->dpy, wi->gc,
+ GCFillStyle | GCLineWidth | GCForeground, &values);
+
+ /* !! WARNING !! XDrawSegments can't handle an unlimited number of segments
+ in releases R4 and older */
+ /* XDrawSegments(wi->dpy, wi->draw_buffer, wi->gc,
+ (XSegment *) RadarListArray(map->vectors),
+ RadarListSize(map->vectors)/2);*/
+ cnt = RadarListSize(map->vectors);
+ points = (RadarPoint *) RadarListArray(map->vectors);
+ for (i = 0; i < cnt; i += 2) {
+ if (LineInBBox(&points[i], &points[i+1], &wi->damaged_area) >= 0) {
+ MapInfoGetLine(map_info, i/2, NULL, NULL, &line_width, NULL,
+ NULL, NULL, NULL);
+ if (line_width != values.line_width) {
+ values.line_width = line_width;
+ XChangeGC(wi->dpy, wi->gc, GCLineWidth, &values);
+ }
+ XDrawLine(wi->dpy, wi->draw_buffer, wi->gc,
+ points[i].x, points[i].y, points[i+1].x, points[i+1].y);
+ tst++;
+ }
+ }
+ }
+
+ if (RadarListSize(map->dashed_vectors)) {
+ SetLineStyle(wi->dpy, wi->gc, LINE_DASHED);
+ values.fill_style = FillSolid;
+ values.line_width = 0;
+ XChangeGC(wi->dpy, wi->gc, GCFillStyle | GCLineWidth | GCForeground, &values);
+
+ /* !! WARNING !! XDrawSegments can't handle an unlimited number of segments
+ in releases R4 and older */
+/* XDrawSegments(wi->dpy, wi->draw_buffer, wi->gc,
+ (XSegment *) RadarListArray(map->dashed_vectors), RadarListSize(map->dashed_vectors)/2);*/
+ cnt = RadarListSize(map->dashed_vectors);
+ points = (RadarPoint *) RadarListArray(map->dashed_vectors);
+ for (i = 0; i < cnt; i += 2) {
+ if (LineInBBox(&points[i], &points[i+1], &wi->damaged_area) >= 0) {
+ MapInfoGetLine(map_info, i/2, NULL, NULL, &line_width, NULL, NULL, NULL, NULL);
+ if (line_width != values.line_width) {
+ values.line_width = line_width;
+ XChangeGC(wi->dpy, wi->gc, GCLineWidth, &values);
+ }
+ XDrawLine(wi->dpy, wi->draw_buffer, wi->gc,
+ points[i].x, points[i].y, points[i+1].x, points[i+1].y);
+ tst++;
+ }
+ }
+ }
+
+ if (RadarListSize(map->dotted_vectors)) {
+ SetLineStyle(wi->dpy, wi->gc, LINE_DOTTED);
+ values.fill_style = FillSolid;
+ values.line_width = 0;
+ XChangeGC(wi->dpy, wi->gc,
+ GCFillStyle | GCLineWidth | GCForeground, &values);
+
+ /* !! WARNING !! XDrawSegments can't handle an unlimited number of segments
+ in releases R4 and older */
+/* XDrawSegments(wi->dpy, wi->draw_buffer, wi->gc,
+ (XSegment *) RadarListArray(map->dotted_vectors), RadarListSize(map->dotted_vectors)/2);*/
+ cnt = RadarListSize(map->dotted_vectors);
+ points = (RadarPoint *) RadarListArray(map->dotted_vectors);
+ for (i = 0; i < cnt; i += 2) {
+ if (LineInBBox(&points[i], &points[i+1], &wi->damaged_area) >= 0) {
+ MapInfoGetLine(map_info, i/2, NULL, NULL, &line_width, NULL, NULL, NULL, NULL);
+ if (line_width != values.line_width) {
+ values.line_width = line_width;
+ XChangeGC(wi->dpy, wi->gc, GCLineWidth, &values);
+ }
+ XDrawLine(wi->dpy, wi->draw_buffer, wi->gc,
+ points[i].x, points[i].y, points[i+1].x, points[i+1].y);
+ tst++;
+ }
+ }
+ }
+
+ if (RadarListSize(map->mixed_vectors)) {
+ SetLineStyle(wi->dpy, wi->gc, LINE_MIXED);
+ values.fill_style = FillSolid;
+ values.line_width = 0;
+ XChangeGC(wi->dpy, wi->gc, GCFillStyle | GCLineWidth | GCForeground, &values);
+
+ /* !! WARNING !! XDrawSegments can't handle an unlimited number of segments
+ in releases R4 and older */
+ /*XDrawSegments(wi->dpy, wi->draw_buffer, wi->gc,
+ (XSegment *) RadarListArray(map->mixed_vectors), RadarListSize(map->mixed_vectors)/2);*/
+ cnt = RadarListSize(map->mixed_vectors);
+ points = (RadarPoint *) RadarListArray(map->mixed_vectors);
+ for (i = 0; i < cnt; i += 2) {
+ if (LineInBBox(&points[i], &points[i+1], &wi->damaged_area) >= 0) {
+ MapInfoGetLine(map_info, i/2, NULL, NULL, &line_width, NULL, NULL, NULL, NULL);
+ if (line_width != values.line_width) {
+ values.line_width = line_width;
+ XChangeGC(wi->dpy, wi->gc, GCLineWidth, &values);
+ }
+ XDrawLine(wi->dpy, wi->draw_buffer, wi->gc,
+ points[i].x, points[i].y, points[i+1].x, points[i+1].y);
+ tst++;
+ }
+ }
+ }
+
+ if (RadarListSize(map->arcs)) {
+
+ SetLineStyle(wi->dpy, wi->gc, LINE_SIMPLE);
+ values.fill_style = FillSolid;
+ values.line_width = 0;
+ XChangeGC(wi->dpy, wi->gc, GCFillStyle | GCLineWidth | GCForeground, &values);
+
+ /* !! WARNING !! XDrawArcs can't handle an unlimited number of arcs
+ in releases R4 and older */
+
+ XDrawArcs(wi->dpy, wi->draw_buffer, wi->gc,
+ (XArc *) RadarListArray(map->arcs), RadarListSize(map->arcs));
+ }
+
+ if (RadarListSize(map->dashed_arcs)) {
+
+ SetLineStyle(wi->dpy, wi->gc, LINE_DASHED);
+ values.fill_style = FillSolid;
+ values.line_width = 0;
+ XChangeGC(wi->dpy, wi->gc, GCFillStyle | GCLineWidth | GCForeground, &values);
+
+ /* !! WARNING !! XDrawArcs can't handle an unlimited number of arcs
+ in releases R4 and older */
+
+ XDrawArcs(wi->dpy, wi->draw_buffer, wi->gc,
+ (XArc *) RadarListArray(map->dashed_arcs),
+ RadarListSize(map->dashed_arcs));
+ }
+
+ if (RadarListSize(map->dotted_arcs)) {
+
+ SetLineStyle(wi->dpy, wi->gc, LINE_DOTTED);
+ values.fill_style = FillSolid;
+ values.line_width = 0;
+ XChangeGC(wi->dpy, wi->gc, GCFillStyle | GCLineWidth | GCForeground, &values);
+
+ /* !! WARNING !! XDrawArcs can't handle an unlimited number of arcs
+ in releases R4 and older */
+
+ XDrawArcs(wi->dpy, wi->draw_buffer, wi->gc,
+ (XArc *) RadarListArray(map->dotted_arcs),
+ RadarListSize(map->dotted_arcs));
+ }
+
+ if (RadarListSize(map->mixed_arcs)) {
+
+ SetLineStyle(wi->dpy, wi->gc, LINE_MIXED);
+ values.fill_style = FillSolid;
+ values.line_width = 0;
+ XChangeGC(wi->dpy, wi->gc, GCFillStyle | GCLineWidth | GCForeground, &values);
+
+ /* !! WARNING !! XDrawArcs can't handle an unlimited number of arcs
+ in releases R4 and older */
+
+ XDrawArcs(wi->dpy, wi->draw_buffer, wi->gc,
+ (XArc *) RadarListArray(map->mixed_arcs),
+ RadarListSize(map->mixed_arcs));
+ }
+
+ if (RadarListSize(map->texts)) {
+ /* For the Tk widget we don't have to bother with old
+ * compatibility issues.
+ */
+ values.font = RadarFontId(map->text_font);
+ values.fill_style = FillSolid;
+ XChangeGC(wi->dpy, wi->gc,
+ GCFillStyle | GCFont | GCForeground, &values);
+
+ cnt = RadarListSize(map->texts);
+ points = (RadarPoint *) RadarListArray(map->texts);
+ for (i = 0; i < cnt; i++) {
+ MapInfoGetText(map_info, i, NULL, NULL, NULL, NULL, NULL, &text);
+ XDrawString(wi->dpy, wi->draw_buffer, wi->gc,
+ points[i].x, points[i].y, text, strlen(text));
+ }
+ }
+
+ if (RadarListSize(map->symbols) || RadarListSize(map->marks)) {
+ int w, h, ox, oy;
+ Pixmap sym;
+
+ values.fill_style = FillStippled;
+ XChangeGC(wi->dpy, wi->gc, GCFillStyle, &values);
+
+ if (map->symbol_patterns) {
+ Pixmap *syms = (Pixmap *) RadarListArray(map->symbol_patterns);
+ int num_syms = RadarListSize(map->symbol_patterns);
+
+ cnt = RadarListSize(map->symbols);
+ points = (RadarPoint *) RadarListArray(map->symbols);
+ for (i = 0; i < cnt; i++) {
+ MapInfoGetSymbol(map_info, i, NULL, NULL, NULL, &(tmp_str[0]));
+ sym = syms[tmp_str[0]%num_syms];
+ if (sym != RadarUnspecifiedPattern) {
+ Tk_SizeOfBitmap(wi->dpy, sym, &w, &h);
+ ox = points[i].x-w/2;
+ oy = points[i].y-h/2;
+ values.stipple = sym;
+ values.ts_x_origin = ox;
+ values.ts_y_origin = oy;
+ XChangeGC(wi->dpy, wi->gc,
+ GCStipple|GCTileStipXOrigin|GCTileStipYOrigin, &values);
+ XFillRectangle(wi->dpy, wi->draw_buffer, wi->gc, ox, oy, w, h);
+ }
+ }
+ }
+
+ if (wi->map_distance_symbol != RadarUnspecifiedPattern) {
+ Tk_SizeOfBitmap(wi->dpy, wi->map_distance_symbol, &w, &h);
+ cnt = RadarListSize(map->marks);
+ points = (RadarPoint *) RadarListArray(map->marks);
+ values.stipple = wi->map_distance_symbol;
+ XChangeGC(wi->dpy, wi->gc, GCStipple, &values);
+ for (i = 0; i < cnt; i++) {
+ ox = points[i].x-w/2;
+ oy = points[i].y-h/2;
+ values.ts_x_origin = ox;
+ values.ts_y_origin = oy;
+ XChangeGC(wi->dpy, wi->gc, GCTileStipXOrigin|GCTileStipYOrigin, &values);
+ XFillRectangle(wi->dpy, wi->draw_buffer, wi->gc, ox, oy, w, h);
+ }
+ }
+ }
+ }
+
+#ifdef PERFOS
+ StopUCChrono(map->chrono_draw);
+ PrintChronos();
+ RazChronos();
+#endif
+}
+
+
+/*
+ **********************************************************************************
+ *
+ * IsSensitive --
+ *
+ **********************************************************************************
+ */
+static RadarBool
+IsSensitive(Item item,
+ int item_part)
+{
+ return (ISSET(item->flags, SENSITIVE_BIT) &&
+ item->parent->class->IsSensitive(item->parent, RADAR_NO_PART));
+}
+
+
+/*
+ **********************************************************************************
+ *
+ * Pick --
+ * This is *NOT* correct but for now we will tell that we are
+ * transparent even if we are solid filled.
+ *
+ * !!!! We need to say we are opaque at least if we are solid
+ * filled. !!!!
+ *
+ **********************************************************************************
+ */
+static double
+Pick(Item item,
+ RadarPoint *p,
+ Item start_item,
+ int aperture,
+ Item *a_item,
+ int *part)
+{
+ return 1e40;
+}
+
+
+/*
+ **********************************************************************************
+ *
+ * Coords --
+ * Nothing to do for maps (or too complex anyway).
+ *
+ **********************************************************************************
+ */
+static int
+Coords(Item item,
+ int index,
+ int cmd,
+ RadarPoint **pts,
+ int *num_pts)
+{
+ Tcl_AppendResult(item->wi->interp,
+ " maps doesn't support the coords command", NULL);
+ return RADAR_ERROR;
+}
+
+
+/*
+ **********************************************************************************
+ *
+ * PostScript --
+ *
+ **********************************************************************************
+ */
+static void
+PostScript(Item item,
+ PostScriptInfo ps_info)
+{
+}
+
+
+/*
+ **********************************************************************************
+ *
+ * Exported functions struct --
+ *
+ **********************************************************************************
+ */
+
+static ItemClassStruct MAP_ITEM_CLASS = {
+ sizeof(MapItemStruct),
+ False,
+ False,
+ False,
+ "map",
+ map_attrs,
+ Init,
+ Clone,
+ Destroy,
+ Configure,
+ Query,
+ NULL,
+ NULL,
+ NULL,
+ Coords,
+ ComputeCoordinates,
+ ToArea,
+ Draw,
+ IsSensitive,
+ Pick,
+ PostScript
+};
+
+RadarItemClassId RadarMap = (RadarItemClassId) &MAP_ITEM_CLASS;