19 |
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20 |
#include "config.h" |
#include "config.h" |
21 |
#include <stdlib.h> // abs |
#include <stdlib.h> // abs |
22 |
|
#include <string.h> |
23 |
#include <math.h> // M_PI/cos() |
#include <math.h> // M_PI/cos() |
24 |
|
|
25 |
/* parameters that can be overwritten from the config file: */ |
/* parameters that can be overwritten from the config file: */ |
77 |
} crosshair; |
} crosshair; |
78 |
#endif |
#endif |
79 |
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|
80 |
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#ifdef OSD_NAV |
81 |
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struct { |
82 |
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cairo_surface_t *surface; |
83 |
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float lat, lon; |
84 |
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char *name; |
85 |
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} nav; |
86 |
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#endif |
87 |
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|
88 |
#ifdef OSD_COORDINATES |
#ifdef OSD_COORDINATES |
89 |
struct { |
struct { |
90 |
cairo_surface_t *surface; |
cairo_surface_t *surface; |
297 |
xs += priv->balloon.rect.x + priv->balloon.offset_x; |
xs += priv->balloon.rect.x + priv->balloon.offset_x; |
298 |
ys += priv->balloon.rect.y + priv->balloon.offset_y; |
ys += priv->balloon.rect.y + priv->balloon.offset_y; |
299 |
|
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/* handle the fact that the balloon may have been created by the */ |
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/* button down event */ |
|
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|
300 |
gboolean is_in = |
gboolean is_in = |
301 |
(x > xs) && (x < xs + priv->balloon.rect.w) && |
(x > xs) && (x < xs + priv->balloon.rect.w) && |
302 |
(y > ys) && (y < ys + priv->balloon.rect.h); |
(y > ys) && (y < ys + priv->balloon.rect.h); |
303 |
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|
304 |
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/* handle the fact that the balloon may have been created by the */ |
305 |
|
/* button down event */ |
306 |
if(!is_in && !down && !priv->balloon.just_created) { |
if(!is_in && !down && !priv->balloon.just_created) { |
307 |
/* the user actually clicked outside the balloon */ |
/* the user actually clicked outside the balloon */ |
308 |
|
|
961 |
#endif |
#endif |
962 |
|
|
963 |
if(but == OSD_NONE) { |
if(but == OSD_NONE) { |
964 |
x -= OSD_X; |
gint mx = x - OSD_X; |
965 |
y -= OSD_Y; |
gint my = y - OSD_Y; |
966 |
|
|
967 |
if(OSD_X < 0) |
if(OSD_X < 0) |
968 |
x -= (osd->widget->allocation.width - OSD_W); |
mx -= (osd->widget->allocation.width - OSD_W); |
969 |
|
|
970 |
if(OSD_Y < 0) |
if(OSD_Y < 0) |
971 |
y -= (osd->widget->allocation.height - OSD_H); |
my -= (osd->widget->allocation.height - OSD_H); |
972 |
|
|
973 |
/* first do a rough test for the OSD area. */ |
/* first do a rough test for the OSD area. */ |
974 |
/* this is just to avoid an unnecessary detailed test */ |
/* this is just to avoid an unnecessary detailed test */ |
975 |
if(x > 0 && x < OSD_W && y > 0 && y < OSD_H) { |
if(mx > 0 && mx < OSD_W && my > 0 && my < OSD_H) { |
976 |
#ifndef OSD_NO_DPAD |
#ifndef OSD_NO_DPAD |
977 |
but = osd_check_dpad(x, y); |
but = osd_check_dpad(mx, my); |
978 |
#endif |
#endif |
979 |
} |
} |
980 |
|
|
981 |
if(but == OSD_NONE) |
if(but == OSD_NONE) |
982 |
but = osd_check_zoom(x, y); |
but = osd_check_zoom(mx, my); |
983 |
} |
} |
984 |
|
|
985 |
#ifdef OSD_BALLOON |
#ifdef OSD_BALLOON |
1072 |
#define OSD_COORDINATES_OFFSET (OSD_COORDINATES_FONT_SIZE/6) |
#define OSD_COORDINATES_OFFSET (OSD_COORDINATES_FONT_SIZE/6) |
1073 |
|
|
1074 |
#define OSD_COORDINATES_W (8*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET) |
#define OSD_COORDINATES_W (8*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET) |
1075 |
#define OSD_COORDINATES_H (2*OSD_COORDINATES_FONT_SIZE+OSD_COORDINATES_OFFSET) |
#define OSD_COORDINATES_H (2*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET) |
1076 |
|
|
1077 |
/* these can be overwritten with versions that support */ |
/* these can be overwritten with versions that support */ |
1078 |
/* localization */ |
/* localization */ |
1130 |
c, (int)integral, fractional*60.0); |
c, (int)integral, fractional*60.0); |
1131 |
} |
} |
1132 |
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|
1133 |
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/* render a string at the given screen position */ |
1134 |
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static int |
1135 |
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osd_render_centered_text(cairo_t *cr, int y, int width, char *text) { |
1136 |
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char *p = g_strdup(text); |
1137 |
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cairo_text_extents_t extents; |
1138 |
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cairo_text_extents (cr, p, &extents); |
1139 |
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|
1140 |
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/* check if text needs to be truncated */ |
1141 |
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int len = strlen(text)-2; |
1142 |
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while(extents.width > width) { |
1143 |
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len--; |
1144 |
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strcpy(p+len, "..."); |
1145 |
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cairo_text_extents (cr, p, &extents); |
1146 |
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} |
1147 |
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1148 |
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cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
1149 |
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cairo_set_line_width (cr, OSD_COORDINATES_FONT_SIZE/6); |
1150 |
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cairo_move_to (cr, (width - extents.width)/2, y - extents.y_bearing); |
1151 |
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cairo_text_path (cr, p); |
1152 |
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cairo_stroke (cr); |
1153 |
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|
1154 |
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cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); |
1155 |
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cairo_move_to (cr, (width - extents.width)/2, y - extents.y_bearing); |
1156 |
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cairo_show_text (cr, p); |
1157 |
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|
1158 |
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g_free(p); |
1159 |
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|
1160 |
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/* skip + 1/4 line */ |
1161 |
|
return y + 5*OSD_COORDINATES_FONT_SIZE/4; |
1162 |
|
} |
1163 |
|
|
1164 |
static void |
static void |
1165 |
osd_render_coordinates(osm_gps_map_osd_t *osd) |
osd_render_coordinates(osm_gps_map_osd_t *osd) |
1166 |
{ |
{ |
1196 |
char *latitude = osd_latitude_str(lat); |
char *latitude = osd_latitude_str(lat); |
1197 |
char *longitude = osd_longitude_str(lon); |
char *longitude = osd_longitude_str(lon); |
1198 |
|
|
1199 |
cairo_text_extents_t lat_extents, lon_extents; |
int y = OSD_COORDINATES_OFFSET; |
1200 |
cairo_text_extents (cr, latitude, &lat_extents); |
y = osd_render_centered_text(cr, y, OSD_COORDINATES_W, latitude); |
1201 |
cairo_text_extents (cr, longitude, &lon_extents); |
y = osd_render_centered_text(cr, y, OSD_COORDINATES_W, longitude); |
1202 |
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|
1203 |
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g_free(latitude); |
1204 |
|
g_free(longitude); |
1205 |
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|
1206 |
cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
cairo_destroy(cr); |
1207 |
cairo_set_line_width (cr, OSD_COORDINATES_FONT_SIZE/6); |
} |
1208 |
cairo_move_to (cr, |
#endif // OSD_COORDINATES |
|
(OSD_COORDINATES_W - lat_extents.width)/2, |
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OSD_COORDINATES_OFFSET - lat_extents.y_bearing); |
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cairo_text_path (cr, latitude); |
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cairo_move_to (cr, |
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(OSD_COORDINATES_W - lon_extents.width)/2, |
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OSD_COORDINATES_OFFSET - lon_extents.y_bearing + |
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OSD_COORDINATES_FONT_SIZE); |
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cairo_text_path (cr, longitude); |
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cairo_stroke (cr); |
|
1209 |
|
|
1210 |
cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); |
#ifdef OSD_NAV |
1211 |
cairo_move_to (cr, |
#define OSD_NAV_W (8*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET) |
1212 |
(OSD_COORDINATES_W - lat_extents.width)/2, |
#define OSD_NAV_H (100) |
|
OSD_COORDINATES_OFFSET - lat_extents.y_bearing); |
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cairo_show_text (cr, latitude); |
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cairo_move_to (cr, |
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(OSD_COORDINATES_W - lon_extents.width)/2, |
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OSD_COORDINATES_OFFSET - lon_extents.y_bearing + |
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OSD_COORDINATES_FONT_SIZE); |
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cairo_show_text (cr, longitude); |
|
1213 |
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|
1214 |
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static void |
1215 |
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osd_render_nav(osm_gps_map_osd_t *osd) |
1216 |
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{ |
1217 |
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osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1218 |
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|
1219 |
|
if(!priv->nav.surface || isnan(priv->nav.lat) || isnan(priv->nav.lon)) |
1220 |
|
return; |
1221 |
|
|
1222 |
|
/* first fill with transparency */ |
1223 |
|
cairo_t *cr = cairo_create(priv->nav.surface); |
1224 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1225 |
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cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.2); |
1226 |
|
cairo_paint(cr); |
1227 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
1228 |
|
|
1229 |
|
cairo_select_font_face (cr, "Sans", |
1230 |
|
CAIRO_FONT_SLANT_NORMAL, |
1231 |
|
CAIRO_FONT_WEIGHT_BOLD); |
1232 |
|
cairo_set_font_size (cr, OSD_COORDINATES_FONT_SIZE); |
1233 |
|
|
1234 |
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char *latitude = osd_latitude_str(priv->nav.lat); |
1235 |
|
char *longitude = osd_longitude_str(priv->nav.lon); |
1236 |
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|
1237 |
|
int y = OSD_COORDINATES_OFFSET; |
1238 |
|
y = osd_render_centered_text(cr, y, OSD_NAV_W, priv->nav.name); |
1239 |
|
y = osd_render_centered_text(cr, y, OSD_NAV_W, latitude); |
1240 |
|
y = osd_render_centered_text(cr, y, OSD_NAV_W, longitude); |
1241 |
|
|
1242 |
g_free(latitude); |
g_free(latitude); |
1243 |
g_free(longitude); |
g_free(longitude); |
1244 |
|
|
1245 |
cairo_destroy(cr); |
cairo_destroy(cr); |
1246 |
} |
} |
1247 |
#endif // OSD_COORDINATES |
|
1248 |
|
void osm_gps_map_osd_clear_nav (OsmGpsMap *map) { |
1249 |
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
1250 |
|
|
1251 |
|
osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
1252 |
|
g_return_if_fail (osd); |
1253 |
|
|
1254 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1255 |
|
g_return_if_fail (priv); |
1256 |
|
|
1257 |
|
if(priv->nav.surface) { |
1258 |
|
cairo_surface_destroy(priv->nav.surface); |
1259 |
|
priv->nav.surface = NULL; |
1260 |
|
priv->nav.lat = OSM_GPS_MAP_INVALID; |
1261 |
|
priv->nav.lon = OSM_GPS_MAP_INVALID; |
1262 |
|
if(priv->nav.name) g_free(priv->nav.name); |
1263 |
|
} |
1264 |
|
osm_gps_map_redraw(map); |
1265 |
|
} |
1266 |
|
|
1267 |
|
void |
1268 |
|
osm_gps_map_osd_draw_nav (OsmGpsMap *map, float latitude, float longitude, |
1269 |
|
char *name) { |
1270 |
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
1271 |
|
|
1272 |
|
osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
1273 |
|
g_return_if_fail (osd); |
1274 |
|
|
1275 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1276 |
|
g_return_if_fail (priv); |
1277 |
|
|
1278 |
|
osm_gps_map_osd_clear_nav (map); |
1279 |
|
|
1280 |
|
/* allocate balloon surface */ |
1281 |
|
priv->nav.surface = |
1282 |
|
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1283 |
|
OSD_NAV_W+2, OSD_NAV_H+2); |
1284 |
|
|
1285 |
|
priv->nav.lat = latitude; |
1286 |
|
priv->nav.lon = longitude; |
1287 |
|
priv->nav.name = g_strdup(name); |
1288 |
|
|
1289 |
|
osd_render_nav(osd); |
1290 |
|
|
1291 |
|
osm_gps_map_redraw(map); |
1292 |
|
} |
1293 |
|
|
1294 |
|
#endif // OSD_NAV |
1295 |
|
|
1296 |
|
|
1297 |
#ifdef OSD_CROSSHAIR |
#ifdef OSD_CROSSHAIR |
1298 |
|
|
1621 |
osd_render_crosshair(osd); |
osd_render_crosshair(osd); |
1622 |
#endif |
#endif |
1623 |
|
|
1624 |
|
#ifdef OSD_NAV |
1625 |
|
osd_render_nav(osd); |
1626 |
|
#endif |
1627 |
|
|
1628 |
#ifdef OSD_COORDINATES |
#ifdef OSD_COORDINATES |
1629 |
osd_render_coordinates(osd); |
osd_render_coordinates(osd); |
1630 |
#endif |
#endif |
1704 |
cairo_paint(cr); |
cairo_paint(cr); |
1705 |
#endif |
#endif |
1706 |
|
|
1707 |
|
#ifdef OSD_NAV |
1708 |
|
if(priv->nav.surface) { |
1709 |
|
x = OSD_X; |
1710 |
|
if(x < 0) x += osd->widget->allocation.width - OSD_NAV_W; |
1711 |
|
y = (osd->widget->allocation.height - OSD_NAV_H)/2; |
1712 |
|
|
1713 |
|
cairo_set_source_surface(cr, priv->nav.surface, x, y); |
1714 |
|
cairo_paint(cr); |
1715 |
|
} |
1716 |
|
#endif |
1717 |
|
|
1718 |
#ifdef OSD_COORDINATES |
#ifdef OSD_COORDINATES |
1719 |
x = -OSD_X; |
x = -OSD_X; |
1720 |
y = -OSD_Y; |
y = -OSD_Y; |
1806 |
cairo_surface_destroy(priv->crosshair.surface); |
cairo_surface_destroy(priv->crosshair.surface); |
1807 |
#endif |
#endif |
1808 |
|
|
1809 |
|
#ifdef OSD_NAV |
1810 |
|
if (priv->nav.surface) |
1811 |
|
cairo_surface_destroy(priv->nav.surface); |
1812 |
|
#endif |
1813 |
|
|
1814 |
#ifdef OSD_COORDINATES |
#ifdef OSD_COORDINATES |
1815 |
if (priv->coordinates.surface) |
if (priv->coordinates.surface) |
1816 |
cairo_surface_destroy(priv->coordinates.surface); |
cairo_surface_destroy(priv->coordinates.surface); |