37 |
//the osd controls |
//the osd controls |
38 |
typedef struct { |
typedef struct { |
39 |
/* the offscreen representation of the OSD */ |
/* the offscreen representation of the OSD */ |
40 |
cairo_surface_t *overlay; |
struct { |
41 |
|
cairo_surface_t *surface; |
42 |
|
gboolean rendered; |
43 |
|
#ifdef OSD_GPS_BUTTON |
44 |
|
gboolean gps_enabled; |
45 |
|
#endif |
46 |
|
} controls; |
47 |
|
|
48 |
|
#ifdef OSD_SCALE |
49 |
|
cairo_surface_t *scale; |
50 |
|
int scale_zoom; |
51 |
|
#endif |
52 |
|
|
53 |
|
#ifdef OSD_CROSSHAIR |
54 |
|
cairo_surface_t *crosshair; |
55 |
|
#endif |
56 |
|
|
57 |
|
#ifdef OSD_COORDINATES |
58 |
|
cairo_surface_t *coordinates; |
59 |
|
float coo_lat, coo_lon; |
60 |
|
#endif |
61 |
|
|
62 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
63 |
/* values to handle the "source" menu */ |
/* values to handle the "source" menu */ |
462 |
|
|
463 |
int w = OSD_S_W, h = OSD_S_H; |
int w = OSD_S_W, h = OSD_S_H; |
464 |
if(priv->expanded) { |
if(priv->expanded) { |
|
/* ... and right of it the waypoint id */ |
|
465 |
cairo_text_extents_t extents; |
cairo_text_extents_t extents; |
466 |
|
|
467 |
/* determine content size */ |
/* determine content size */ |
495 |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w+2, h+2); |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w+2, h+2); |
496 |
|
|
497 |
osd_render_source_sel(osd); |
osd_render_source_sel(osd); |
|
|
|
498 |
} |
} |
499 |
|
|
500 |
#define OSD_HZ 15 |
#define OSD_HZ 15 |
596 |
|
|
597 |
/* check for clicks into data area */ |
/* check for clicks into data area */ |
598 |
if(priv->expanded && !priv->handler_id) { |
if(priv->expanded && !priv->handler_id) { |
599 |
|
/* re-adjust from puller top to content top */ |
600 |
|
if(OSD_S_Y < 0) |
601 |
|
y += OSD_S_EXP_H - OSD_S_PH; |
602 |
|
|
603 |
if(x > OSD_S_PW && |
if(x > OSD_S_PW && |
604 |
x < OSD_S_PW + OSD_S_EXP_W && |
x < OSD_S_PW + OSD_S_EXP_W && |
605 |
y > 0 && |
y > 0 && |
606 |
y < OSD_S_EXP_H) { |
y < OSD_S_EXP_H) { |
607 |
|
|
608 |
int step = (priv->height - 2*OSD_TEXT_BORDER) |
int step = (priv->height - 2*OSD_TEXT_BORDER) |
609 |
/ OSM_GPS_MAP_SOURCE_LAST; |
/ OSM_GPS_MAP_SOURCE_LAST; |
610 |
|
|
738 |
cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); |
cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); |
739 |
} |
} |
740 |
|
|
741 |
|
#ifdef OSD_COORDINATES |
742 |
|
|
743 |
|
#ifndef OSD_COORDINATES_FONT_SIZE |
744 |
|
#define OSD_COORDINATES_FONT_SIZE 12 |
745 |
|
#endif |
746 |
|
|
747 |
|
#define OSD_COORDINATES_OFFSET (OSD_COORDINATES_FONT_SIZE/6) |
748 |
|
|
749 |
|
#define OSD_COORDINATES_W (8*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET) |
750 |
|
#define OSD_COORDINATES_H (2*OSD_COORDINATES_FONT_SIZE+OSD_COORDINATES_OFFSET) |
751 |
|
|
752 |
|
/* these can be overwritten with versions that support */ |
753 |
|
/* localization */ |
754 |
|
#ifndef OSD_COORDINATES_CHR_N |
755 |
|
#define OSD_COORDINATES_CHR_N "N" |
756 |
|
#endif |
757 |
|
#ifndef OSD_COORDINATES_CHR_S |
758 |
|
#define OSD_COORDINATES_CHR_S "S" |
759 |
|
#endif |
760 |
|
#ifndef OSD_COORDINATES_CHR_E |
761 |
|
#define OSD_COORDINATES_CHR_E "E" |
762 |
|
#endif |
763 |
|
#ifndef OSD_COORDINATES_CHR_W |
764 |
|
#define OSD_COORDINATES_CHR_W "W" |
765 |
|
#endif |
766 |
|
|
767 |
|
|
768 |
|
|
769 |
|
/* this is the classic geocaching notation */ |
770 |
|
static char |
771 |
|
*osd_latitude_str(float latitude) { |
772 |
|
char *c = OSD_COORDINATES_CHR_N; |
773 |
|
float integral, fractional; |
774 |
|
|
775 |
|
if(isnan(latitude)) |
776 |
|
return NULL; |
777 |
|
|
778 |
|
if(latitude < 0) { |
779 |
|
latitude = fabs(latitude); |
780 |
|
c = OSD_COORDINATES_CHR_S; |
781 |
|
} |
782 |
|
|
783 |
|
fractional = modff(latitude, &integral); |
784 |
|
|
785 |
|
return g_strdup_printf("%s %02d° %06.3f'", |
786 |
|
c, (int)integral, fractional*60.0); |
787 |
|
} |
788 |
|
|
789 |
|
static char |
790 |
|
*osd_longitude_str(float longitude) { |
791 |
|
char *c = OSD_COORDINATES_CHR_E; |
792 |
|
float integral, fractional; |
793 |
|
|
794 |
|
if(isnan(longitude)) |
795 |
|
return NULL; |
796 |
|
|
797 |
|
if(longitude < 0) { |
798 |
|
longitude = fabs(longitude); |
799 |
|
c = OSD_COORDINATES_CHR_W; |
800 |
|
} |
801 |
|
|
802 |
|
fractional = modff(longitude, &integral); |
803 |
|
|
804 |
|
return g_strdup_printf("%s %03d° %06.3f'", |
805 |
|
c, (int)integral, fractional*60.0); |
806 |
|
} |
807 |
|
|
808 |
|
static void |
809 |
|
osd_render_coordinates(osm_gps_map_osd_t *osd) |
810 |
|
{ |
811 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
812 |
|
|
813 |
|
/* get current map position */ |
814 |
|
gfloat lat, lon; |
815 |
|
g_object_get(osd->widget, "latitude", &lat, "longitude", &lon, NULL); |
816 |
|
|
817 |
|
/* check if position has changed enough to require redraw */ |
818 |
|
if(!isnan(priv->coo_lat) && !isnan(priv->coo_lon)) |
819 |
|
if((fabsf(lat - priv->coo_lat) < 1/60000) && /* 1/60000 == 1/1000 minute */ |
820 |
|
(fabsf(lon - priv->coo_lon) < 1/60000)) |
821 |
|
return; |
822 |
|
|
823 |
|
priv->coo_lat = lat; |
824 |
|
priv->coo_lon = lon; |
825 |
|
|
826 |
|
/* first fill with light transparency */ |
827 |
|
cairo_t *cr = cairo_create(priv->coordinates); |
828 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
829 |
|
cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 0.5); |
830 |
|
cairo_paint(cr); |
831 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
832 |
|
|
833 |
|
cairo_select_font_face (cr, "Sans", |
834 |
|
CAIRO_FONT_SLANT_NORMAL, |
835 |
|
CAIRO_FONT_WEIGHT_BOLD); |
836 |
|
cairo_set_font_size (cr, OSD_COORDINATES_FONT_SIZE); |
837 |
|
|
838 |
|
char *latitude = osd_latitude_str(lat); |
839 |
|
char *longitude = osd_longitude_str(lon); |
840 |
|
|
841 |
|
cairo_text_extents_t lat_extents, lon_extents; |
842 |
|
cairo_text_extents (cr, latitude, &lat_extents); |
843 |
|
cairo_text_extents (cr, longitude, &lon_extents); |
844 |
|
|
845 |
|
cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
846 |
|
cairo_set_line_width (cr, OSD_COORDINATES_FONT_SIZE/6); |
847 |
|
cairo_move_to (cr, |
848 |
|
(OSD_COORDINATES_W - lat_extents.width)/2, |
849 |
|
OSD_COORDINATES_OFFSET - lat_extents.y_bearing); |
850 |
|
cairo_text_path (cr, latitude); |
851 |
|
cairo_move_to (cr, |
852 |
|
(OSD_COORDINATES_W - lon_extents.width)/2, |
853 |
|
OSD_COORDINATES_OFFSET - lon_extents.y_bearing + |
854 |
|
OSD_COORDINATES_FONT_SIZE); |
855 |
|
cairo_text_path (cr, longitude); |
856 |
|
cairo_stroke (cr); |
857 |
|
|
858 |
|
cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); |
859 |
|
cairo_move_to (cr, |
860 |
|
(OSD_COORDINATES_W - lat_extents.width)/2, |
861 |
|
OSD_COORDINATES_OFFSET - lat_extents.y_bearing); |
862 |
|
cairo_show_text (cr, latitude); |
863 |
|
cairo_move_to (cr, |
864 |
|
(OSD_COORDINATES_W - lon_extents.width)/2, |
865 |
|
OSD_COORDINATES_OFFSET - lon_extents.y_bearing + |
866 |
|
OSD_COORDINATES_FONT_SIZE); |
867 |
|
cairo_show_text (cr, longitude); |
868 |
|
|
869 |
|
g_free(latitude); |
870 |
|
g_free(longitude); |
871 |
|
|
872 |
|
cairo_destroy(cr); |
873 |
|
} |
874 |
|
#endif // OSD_COORDINATES |
875 |
|
|
876 |
|
#ifdef OSD_CROSSHAIR |
877 |
|
|
878 |
|
#ifndef OSD_CROSSHAIR_RADIUS |
879 |
|
#define OSD_CROSSHAIR_RADIUS 10 |
880 |
|
#endif |
881 |
|
|
882 |
|
#define OSD_CROSSHAIR_TICK (OSD_CROSSHAIR_RADIUS/2) |
883 |
|
#define OSD_CROSSHAIR_BORDER (OSD_CROSSHAIR_TICK + OSD_CROSSHAIR_RADIUS/4) |
884 |
|
#define OSD_CROSSHAIR_W ((OSD_CROSSHAIR_RADIUS+OSD_CROSSHAIR_BORDER)*2) |
885 |
|
#define OSD_CROSSHAIR_H ((OSD_CROSSHAIR_RADIUS+OSD_CROSSHAIR_BORDER)*2) |
886 |
|
|
887 |
|
static void |
888 |
|
osd_render_crosshair_shape(cairo_t *cr) { |
889 |
|
cairo_arc (cr, OSD_CROSSHAIR_W/2, OSD_CROSSHAIR_H/2, |
890 |
|
OSD_CROSSHAIR_RADIUS, 0, 2*M_PI); |
891 |
|
|
892 |
|
cairo_move_to (cr, OSD_CROSSHAIR_W/2 - OSD_CROSSHAIR_RADIUS, |
893 |
|
OSD_CROSSHAIR_H/2); |
894 |
|
cairo_rel_line_to (cr, -OSD_CROSSHAIR_TICK, 0); |
895 |
|
cairo_move_to (cr, OSD_CROSSHAIR_W/2 + OSD_CROSSHAIR_RADIUS, |
896 |
|
OSD_CROSSHAIR_H/2); |
897 |
|
cairo_rel_line_to (cr, OSD_CROSSHAIR_TICK, 0); |
898 |
|
|
899 |
|
cairo_move_to (cr, OSD_CROSSHAIR_W/2, |
900 |
|
OSD_CROSSHAIR_H/2 - OSD_CROSSHAIR_RADIUS); |
901 |
|
cairo_rel_line_to (cr, 0, -OSD_CROSSHAIR_TICK); |
902 |
|
cairo_move_to (cr, OSD_CROSSHAIR_W/2, |
903 |
|
OSD_CROSSHAIR_H/2 + OSD_CROSSHAIR_RADIUS); |
904 |
|
cairo_rel_line_to (cr, 0, OSD_CROSSHAIR_TICK); |
905 |
|
|
906 |
|
cairo_stroke (cr); |
907 |
|
} |
908 |
|
|
909 |
|
static void |
910 |
|
osd_render_crosshair(osm_gps_map_osd_t *osd) |
911 |
|
{ |
912 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
913 |
|
|
914 |
|
/* first fill with transparency */ |
915 |
|
cairo_t *cr = cairo_create(priv->crosshair); |
916 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
917 |
|
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); |
918 |
|
// cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.2); |
919 |
|
cairo_paint(cr); |
920 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
921 |
|
|
922 |
|
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
923 |
|
|
924 |
|
cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 0.5); |
925 |
|
cairo_set_line_width (cr, OSD_CROSSHAIR_RADIUS/2); |
926 |
|
osd_render_crosshair_shape(cr); |
927 |
|
|
928 |
|
cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.5); |
929 |
|
cairo_set_line_width (cr, OSD_CROSSHAIR_RADIUS/4); |
930 |
|
osd_render_crosshair_shape(cr); |
931 |
|
|
932 |
|
cairo_destroy(cr); |
933 |
|
} |
934 |
|
#endif |
935 |
|
|
936 |
|
#ifdef OSD_SCALE |
937 |
|
|
938 |
|
#ifndef OSD_SCALE_FONT_SIZE |
939 |
|
#define OSD_SCALE_FONT_SIZE 12 |
940 |
|
#endif |
941 |
|
#define OSD_SCALE_W (10*OSD_SCALE_FONT_SIZE) |
942 |
|
#define OSD_SCALE_H (5*OSD_SCALE_FONT_SIZE/2) |
943 |
|
|
944 |
|
/* various parameters used to create the scale */ |
945 |
|
#define OSD_SCALE_H2 (OSD_SCALE_H/2) |
946 |
|
#define OSD_SCALE_TICK (2*OSD_SCALE_FONT_SIZE/3) |
947 |
|
#define OSD_SCALE_M (OSD_SCALE_H2 - OSD_SCALE_TICK) |
948 |
|
#define OSD_SCALE_I (OSD_SCALE_H2 + OSD_SCALE_TICK) |
949 |
|
#define OSD_SCALE_FD (OSD_SCALE_FONT_SIZE/4) |
950 |
|
|
951 |
|
static void |
952 |
|
osd_render_scale(osm_gps_map_osd_t *osd) |
953 |
|
{ |
954 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
955 |
|
|
956 |
|
/* this only needs to be rendered if the zoom has changed */ |
957 |
|
gint zoom; |
958 |
|
g_object_get(OSM_GPS_MAP(osd->widget), "zoom", &zoom, NULL); |
959 |
|
if(zoom == priv->scale_zoom) |
960 |
|
return; |
961 |
|
|
962 |
|
priv->scale_zoom = zoom; |
963 |
|
|
964 |
|
float m_per_pix = osm_gps_map_get_scale(OSM_GPS_MAP(osd->widget)); |
965 |
|
|
966 |
|
/* first fill with transparency */ |
967 |
|
cairo_t *cr = cairo_create(priv->scale); |
968 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
969 |
|
cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); |
970 |
|
// pink for testing: cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.2); |
971 |
|
cairo_paint(cr); |
972 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
973 |
|
|
974 |
|
/* determine the size of the scale width in meters */ |
975 |
|
float width = (OSD_SCALE_W-OSD_SCALE_FONT_SIZE/6) * m_per_pix; |
976 |
|
|
977 |
|
/* scale this to useful values */ |
978 |
|
int exp = logf(width)*M_LOG10E; |
979 |
|
int mant = width/pow(10,exp); |
980 |
|
int width_metric = mant * pow(10,exp); |
981 |
|
char *dist_str = NULL; |
982 |
|
if(width_metric<1000) |
983 |
|
dist_str = g_strdup_printf("%u m", width_metric); |
984 |
|
else |
985 |
|
dist_str = g_strdup_printf("%u km", width_metric/1000); |
986 |
|
width_metric /= m_per_pix; |
987 |
|
|
988 |
|
/* and now the hard part: scale for useful imperial values :-( */ |
989 |
|
/* try to convert to feet, 1ft == 0.3048 m */ |
990 |
|
width /= 0.3048; |
991 |
|
float imp_scale = 0.3048; |
992 |
|
char *dist_imp_unit = "ft"; |
993 |
|
|
994 |
|
if(width >= 100) { |
995 |
|
/* 1yd == 3 feet */ |
996 |
|
width /= 3.0; |
997 |
|
imp_scale *= 3.0; |
998 |
|
dist_imp_unit = "yd"; |
999 |
|
|
1000 |
|
if(width >= 1760.0) { |
1001 |
|
/* 1mi == 1760 yd */ |
1002 |
|
width /= 1760.0; |
1003 |
|
imp_scale *= 1760.0; |
1004 |
|
dist_imp_unit = "mi"; |
1005 |
|
} |
1006 |
|
} |
1007 |
|
|
1008 |
|
/* also convert this to full tens/hundreds */ |
1009 |
|
exp = logf(width)*M_LOG10E; |
1010 |
|
mant = width/pow(10,exp); |
1011 |
|
int width_imp = mant * pow(10,exp); |
1012 |
|
char *dist_str_imp = g_strdup_printf("%u %s", width_imp, dist_imp_unit); |
1013 |
|
|
1014 |
|
/* convert back to pixels */ |
1015 |
|
width_imp *= imp_scale; |
1016 |
|
width_imp /= m_per_pix; |
1017 |
|
|
1018 |
|
cairo_select_font_face (cr, "Sans", |
1019 |
|
CAIRO_FONT_SLANT_NORMAL, |
1020 |
|
CAIRO_FONT_WEIGHT_BOLD); |
1021 |
|
cairo_set_font_size (cr, OSD_SCALE_FONT_SIZE); |
1022 |
|
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0); |
1023 |
|
|
1024 |
|
cairo_text_extents_t extents; |
1025 |
|
cairo_text_extents (cr, dist_str, &extents); |
1026 |
|
|
1027 |
|
cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
1028 |
|
cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/6); |
1029 |
|
cairo_move_to (cr, 2*OSD_SCALE_FD, OSD_SCALE_H2-OSD_SCALE_FD); |
1030 |
|
cairo_text_path (cr, dist_str); |
1031 |
|
cairo_stroke (cr); |
1032 |
|
cairo_move_to (cr, 2*OSD_SCALE_FD, |
1033 |
|
OSD_SCALE_H2+OSD_SCALE_FD + extents.height); |
1034 |
|
cairo_text_path (cr, dist_str_imp); |
1035 |
|
cairo_stroke (cr); |
1036 |
|
|
1037 |
|
cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); |
1038 |
|
cairo_move_to (cr, 2*OSD_SCALE_FD, OSD_SCALE_H2-OSD_SCALE_FD); |
1039 |
|
cairo_show_text (cr, dist_str); |
1040 |
|
cairo_move_to (cr, 2*OSD_SCALE_FD, |
1041 |
|
OSD_SCALE_H2+OSD_SCALE_FD + extents.height); |
1042 |
|
cairo_show_text (cr, dist_str_imp); |
1043 |
|
|
1044 |
|
g_free(dist_str); |
1045 |
|
g_free(dist_str_imp); |
1046 |
|
|
1047 |
|
/* draw white line */ |
1048 |
|
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
1049 |
|
cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0); |
1050 |
|
cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/3); |
1051 |
|
cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_M); |
1052 |
|
cairo_rel_line_to (cr, 0, OSD_SCALE_TICK); |
1053 |
|
cairo_rel_line_to (cr, width_metric, 0); |
1054 |
|
cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1055 |
|
cairo_stroke(cr); |
1056 |
|
cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_I); |
1057 |
|
cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1058 |
|
cairo_rel_line_to (cr, width_imp, 0); |
1059 |
|
cairo_rel_line_to (cr, 0, +OSD_SCALE_TICK); |
1060 |
|
cairo_stroke(cr); |
1061 |
|
|
1062 |
|
/* draw black line */ |
1063 |
|
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0); |
1064 |
|
cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/6); |
1065 |
|
cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_M); |
1066 |
|
cairo_rel_line_to (cr, 0, OSD_SCALE_TICK); |
1067 |
|
cairo_rel_line_to (cr, width_metric, 0); |
1068 |
|
cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1069 |
|
cairo_stroke(cr); |
1070 |
|
cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_I); |
1071 |
|
cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1072 |
|
cairo_rel_line_to (cr, width_imp, 0); |
1073 |
|
cairo_rel_line_to (cr, 0, +OSD_SCALE_TICK); |
1074 |
|
cairo_stroke(cr); |
1075 |
|
|
1076 |
|
cairo_destroy(cr); |
1077 |
|
} |
1078 |
|
#endif |
1079 |
|
|
1080 |
static void |
static void |
1081 |
osd_render(osm_gps_map_osd_t *osd) { |
osd_render_controls(osm_gps_map_osd_t *osd) |
1082 |
|
{ |
1083 |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1084 |
|
|
1085 |
|
if(priv->controls.rendered |
1086 |
|
#ifdef OSD_GPS_BUTTON |
1087 |
|
&& (priv->controls.gps_enabled == (osd->cb != NULL)) |
1088 |
|
#endif |
1089 |
|
) |
1090 |
|
return; |
1091 |
|
|
1092 |
|
#ifdef OSD_GPS_BUTTON |
1093 |
|
priv->controls.gps_enabled = (osd->cb != NULL); |
1094 |
|
#endif |
1095 |
|
|
1096 |
#ifndef OSD_COLOR |
#ifndef OSD_COLOR |
1097 |
GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; |
GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; |
1098 |
GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; |
GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; |
1100 |
#endif |
#endif |
1101 |
|
|
1102 |
/* first fill with transparency */ |
/* first fill with transparency */ |
1103 |
cairo_t *cr = cairo_create(priv->overlay); |
cairo_t *cr = cairo_create(priv->controls.surface); |
1104 |
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1105 |
cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); |
cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); |
1106 |
cairo_paint(cr); |
cairo_paint(cr); |
1171 |
cairo_stroke(cr); |
cairo_stroke(cr); |
1172 |
|
|
1173 |
cairo_destroy(cr); |
cairo_destroy(cr); |
1174 |
|
} |
1175 |
|
|
1176 |
|
static void |
1177 |
|
osd_render(osm_gps_map_osd_t *osd) |
1178 |
|
{ |
1179 |
|
osd_render_controls(osd); |
1180 |
|
|
1181 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
1182 |
osd_render_source_sel(osd); |
osd_render_source_sel(osd); |
1183 |
#endif |
#endif |
1184 |
|
|
1185 |
|
#ifdef OSD_SCALE |
1186 |
|
osd_render_scale(osd); |
1187 |
|
#endif |
1188 |
|
|
1189 |
|
#ifdef OSD_CROSSHAIR |
1190 |
|
osd_render_crosshair(osd); |
1191 |
|
#endif |
1192 |
|
|
1193 |
|
#ifdef OSD_COORDINATES |
1194 |
|
osd_render_coordinates(osd); |
1195 |
|
#endif |
1196 |
} |
} |
1197 |
|
|
1198 |
static void |
static void |
1202 |
|
|
1203 |
/* OSD itself uses some off-screen rendering, so check if the */ |
/* OSD itself uses some off-screen rendering, so check if the */ |
1204 |
/* offscreen buffer is present and create it if not */ |
/* offscreen buffer is present and create it if not */ |
1205 |
if(!priv->overlay) { |
if(!priv->controls.surface) { |
1206 |
/* create overlay ... */ |
/* create overlay ... */ |
1207 |
priv->overlay = |
priv->controls.surface = |
1208 |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, OSD_W+2, OSD_H+2); |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, OSD_W+2, OSD_H+2); |
1209 |
|
|
1210 |
|
priv->controls.rendered = FALSE; |
1211 |
|
#ifdef OSD_GPS_BUTTON |
1212 |
|
priv->controls.gps_enabled = FALSE; |
1213 |
|
#endif |
1214 |
|
|
1215 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
1216 |
/* the initial OSD state is alway not-expanded */ |
/* the initial OSD state is alway not-expanded */ |
1217 |
priv->map_source = |
priv->map_source = |
1219 |
OSD_S_W+2, OSD_S_H+2); |
OSD_S_W+2, OSD_S_H+2); |
1220 |
#endif |
#endif |
1221 |
|
|
1222 |
|
#ifdef OSD_SCALE |
1223 |
|
priv->scale = |
1224 |
|
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1225 |
|
OSD_SCALE_W, OSD_SCALE_H); |
1226 |
|
priv->scale_zoom = -1; |
1227 |
|
#endif |
1228 |
|
|
1229 |
|
#ifdef OSD_CROSSHAIR |
1230 |
|
priv->crosshair = |
1231 |
|
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1232 |
|
OSD_CROSSHAIR_W, OSD_CROSSHAIR_H); |
1233 |
|
#endif |
1234 |
|
|
1235 |
|
#ifdef OSD_COORDINATES |
1236 |
|
priv->coordinates = |
1237 |
|
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1238 |
|
OSD_COORDINATES_W, OSD_COORDINATES_H); |
1239 |
|
|
1240 |
|
priv->coo_lat = priv->coo_lon = OSM_GPS_MAP_INVALID; |
1241 |
|
#endif |
1242 |
|
|
1243 |
/* ... and render it */ |
/* ... and render it */ |
1244 |
osd_render(osd); |
osd_render(osd); |
1245 |
} |
} |
1247 |
// now draw this onto the original context |
// now draw this onto the original context |
1248 |
cairo_t *cr = gdk_cairo_create(drawable); |
cairo_t *cr = gdk_cairo_create(drawable); |
1249 |
|
|
1250 |
int x = OSD_X, y = OSD_Y; |
int x, y; |
|
if(OSD_X < 0) |
|
|
x = osd->widget->allocation.width - OSD_W + OSD_X; |
|
1251 |
|
|
1252 |
if(OSD_Y < 0) |
#ifdef OSD_SCALE |
1253 |
y = osd->widget->allocation.height - OSD_H + OSD_Y; |
x = OSD_X; |
1254 |
|
y = -OSD_Y; |
1255 |
|
if(x < 0) x += osd->widget->allocation.width - OSD_SCALE_W; |
1256 |
|
if(y < 0) y += osd->widget->allocation.height - OSD_SCALE_H; |
1257 |
|
|
1258 |
|
cairo_set_source_surface(cr, priv->scale, x, y); |
1259 |
|
cairo_paint(cr); |
1260 |
|
#endif |
1261 |
|
|
1262 |
|
#ifdef OSD_CROSSHAIR |
1263 |
|
x = (osd->widget->allocation.width - OSD_CROSSHAIR_W)/2; |
1264 |
|
y = (osd->widget->allocation.height - OSD_CROSSHAIR_H)/2; |
1265 |
|
|
1266 |
|
cairo_set_source_surface(cr, priv->crosshair, x, y); |
1267 |
|
cairo_paint(cr); |
1268 |
|
#endif |
1269 |
|
|
1270 |
|
#ifdef OSD_COORDINATES |
1271 |
|
x = -OSD_X; |
1272 |
|
y = -OSD_Y; |
1273 |
|
if(x < 0) x += osd->widget->allocation.width - OSD_COORDINATES_W; |
1274 |
|
if(y < 0) y += osd->widget->allocation.height - OSD_COORDINATES_H; |
1275 |
|
|
1276 |
cairo_set_source_surface(cr, priv->overlay, x, y); |
cairo_set_source_surface(cr, priv->coordinates, x, y); |
1277 |
|
cairo_paint(cr); |
1278 |
|
#endif |
1279 |
|
|
1280 |
|
x = OSD_X; |
1281 |
|
if(x < 0) |
1282 |
|
x += osd->widget->allocation.width - OSD_W; |
1283 |
|
|
1284 |
|
y = OSD_Y; |
1285 |
|
if(y < 0) |
1286 |
|
y += osd->widget->allocation.height - OSD_H; |
1287 |
|
|
1288 |
|
cairo_set_source_surface(cr, priv->controls.surface, x, y); |
1289 |
cairo_paint(cr); |
cairo_paint(cr); |
1290 |
|
|
1291 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
1318 |
{ |
{ |
1319 |
osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
1320 |
|
|
1321 |
if (priv->overlay) |
if (priv->controls.surface) |
1322 |
cairo_surface_destroy(priv->overlay); |
cairo_surface_destroy(priv->controls.surface); |
1323 |
|
|
1324 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
1325 |
if(priv->handler_id) |
if(priv->handler_id) |
1329 |
cairo_surface_destroy(priv->map_source); |
cairo_surface_destroy(priv->map_source); |
1330 |
#endif |
#endif |
1331 |
|
|
1332 |
|
#ifdef OSD_SCALE |
1333 |
|
if (priv->scale) |
1334 |
|
cairo_surface_destroy(priv->scale); |
1335 |
|
#endif |
1336 |
|
|
1337 |
|
#ifdef OSD_CROSSHAIR |
1338 |
|
if (priv->crosshair) |
1339 |
|
cairo_surface_destroy(priv->crosshair); |
1340 |
|
#endif |
1341 |
|
|
1342 |
|
#ifdef OSD_COORDINATES |
1343 |
|
if (priv->coordinates) |
1344 |
|
cairo_surface_destroy(priv->coordinates); |
1345 |
|
#endif |
1346 |
|
|
1347 |
g_free(priv); |
g_free(priv); |
1348 |
} |
} |
1349 |
|
|