#include "coords.h"
#include "vikcoord.h"
+#include "vikwindow.h"
#include "vikviewport.h"
#include "mapcoord.h"
GdkGC *background_gc;
GdkColor background_color;
+ GdkGC *scale_bg_gc;
gboolean draw_scale;
+ gboolean draw_centermark;
/* subset of coord types. lat lon can be plotted in 2 ways, google or exp. */
VikViewportDrawMode drawmode;
gdouble google_calcy_fact;
gdouble google_calcx_rev_fact;
gdouble google_calcy_rev_fact;
+
+ /* trigger stuff */
+ gpointer trigger;
+ GdkPixmap *snapshot_buffer;
+ gboolean half_drawn;
};
static gdouble
VikViewport *vik_viewport_new ()
{
- return VIK_VIEWPORT ( g_object_new ( VIK_VIEWPORT_TYPE, NULL ) );
+ VikViewport *vv = VIK_VIEWPORT ( g_object_new ( VIK_VIEWPORT_TYPE, NULL ) );
+ return vv;
}
static void viewport_init ( VikViewport *vvp )
/* TODO: not static */
vvp->xmpp = 4.0;
vvp->ympp = 4.0;
- vvp->coord_mode = VIK_COORD_UTM;
- vvp->drawmode = VIK_VIEWPORT_DRAWMODE_UTM;
- vvp->center.north_south = 0;
- vvp->center.east_west = -166021;
+ vvp->coord_mode = VIK_COORD_LATLON;
+ vvp->drawmode = VIK_VIEWPORT_DRAWMODE_MERCATOR;
+ vvp->center.mode = VIK_COORD_LATLON;
+ vvp->center.north_south = 40.714490;
+ vvp->center.east_west = -74.007130;
vvp->center.utm_zone = 31;
vvp->center.utm_letter = 'N';
vvp->scr_buffer = NULL;
vvp->alpha_pixbuf_width = vvp->alpha_pixbuf_height = 0;
vvp->utm_zone_width = 0.0;
vvp->background_gc = NULL;
+ vvp->scale_bg_gc = NULL;
vvp->draw_scale = TRUE;
+ vvp->draw_centermark = TRUE;
+
+ vvp->trigger = NULL;
+ vvp->snapshot_buffer = NULL;
+ vvp->half_drawn = FALSE;
+
g_signal_connect (G_OBJECT(vvp), "configure_event", G_CALLBACK(vik_viewport_configure), NULL);
}
if ( vvp->scr_buffer )
g_object_unref ( G_OBJECT ( vvp->scr_buffer ) );
vvp->scr_buffer = gdk_pixmap_new ( GTK_WIDGET(vvp)->window, vvp->width, vvp->height, -1 );
+
+ /* TODO trigger: only if this is enabled !!! */
+ if ( vvp->snapshot_buffer )
+ g_object_unref ( G_OBJECT ( vvp->snapshot_buffer ) );
+ vvp->snapshot_buffer = gdk_pixmap_new ( GTK_WIDGET(vvp)->window, vvp->width, vvp->height, -1 );
}
vvp->scr_buffer = gdk_pixmap_new ( GTK_WIDGET(vvp)->window, vvp->width, vvp->height, -1 );
+ /* TODO trigger: only if enabled! */
+ if ( vvp->snapshot_buffer )
+ g_object_unref ( G_OBJECT ( vvp->snapshot_buffer ) );
+
+ vvp->snapshot_buffer = gdk_pixmap_new ( GTK_WIDGET(vvp)->window, vvp->width, vvp->height, -1 );
+ /* TODO trigger */
+
/* this is down here so it can get a GC (necessary?) */
if ( ! vvp->background_gc )
{
vvp->background_gc = vik_viewport_new_gc ( vvp, "", 1 );
vik_viewport_set_background_color ( vvp, DEFAULT_BACKGROUND_COLOR ); /* set to "backup" color in vvp->background_color */
}
+ if ( !vvp->scale_bg_gc) {
+ vvp->scale_bg_gc = vik_viewport_new_gc(vvp, "grey", 3);
+ }
return FALSE;
}
if ( vvp->scr_buffer )
g_object_unref ( G_OBJECT ( vvp->scr_buffer ) );
+ if ( vvp->snapshot_buffer )
+ g_object_unref ( G_OBJECT ( vvp->snapshot_buffer ) );
+
if ( vvp->alpha_pixbuf )
g_object_unref ( G_OBJECT ( vvp->alpha_pixbuf ) );
if ( vvp->background_gc )
g_object_unref ( G_OBJECT ( vvp->background_gc ) );
+ if ( vvp->scale_bg_gc ) {
+ g_object_unref ( G_OBJECT ( vvp->scale_bg_gc ) );
+ vvp->scale_bg_gc = NULL;
+ }
+
G_OBJECT_CLASS(parent_class)->finalize(gob);
}
unit = old_unit;
len = unit * ratio;
+ /* white background */
+ vik_viewport_draw_line(vvp, vvp->scale_bg_gc,
+ PAD, vvp->height-PAD, PAD + len, vvp->height-PAD);
+ vik_viewport_draw_line(vvp, vvp->scale_bg_gc,
+ PAD, vvp->height-PAD, PAD, vvp->height-PAD-HEIGHT);
+ vik_viewport_draw_line(vvp, vvp->scale_bg_gc,
+ PAD + len, vvp->height-PAD, PAD + len, vvp->height-PAD-HEIGHT);
+ /* black scale */
vik_viewport_draw_line(vvp, GTK_WIDGET(&vvp->drawing_area)->style->black_gc,
PAD, vvp->height-PAD, PAD + len, vvp->height-PAD);
vik_viewport_draw_line(vvp, GTK_WIDGET(&vvp->drawing_area)->style->black_gc,
if (odd%2) {
int i;
for (i=1; i<5; i++) {
+ vik_viewport_draw_line(vvp, vvp->scale_bg_gc,
+ PAD+i*len/5, vvp->height-PAD, PAD+i*len/5, vvp->height-PAD-((i==5)?(2*HEIGHT/3):(HEIGHT/2)));
vik_viewport_draw_line(vvp, GTK_WIDGET(&vvp->drawing_area)->style->black_gc,
PAD+i*len/5, vvp->height-PAD, PAD+i*len/5, vvp->height-PAD-((i==5)?(2*HEIGHT/3):(HEIGHT/2)));
}
} else {
int i;
for (i=1; i<10; i++) {
+ vik_viewport_draw_line(vvp, vvp->scale_bg_gc,
+ PAD+i*len/10, vvp->height-PAD, PAD+i*len/10, vvp->height-PAD-((i==5)?(2*HEIGHT/3):(HEIGHT/2)));
vik_viewport_draw_line(vvp, GTK_WIDGET(&vvp->drawing_area)->style->black_gc,
PAD+i*len/10, vvp->height-PAD, PAD+i*len/10, vvp->height-PAD-((i==5)?(2*HEIGHT/3):(HEIGHT/2)));
}
}
}
+void vik_viewport_set_draw_centermark ( VikViewport *vvp, gboolean draw_centermark )
+{
+ vvp->draw_centermark = draw_centermark;
+}
+
+gboolean vik_viewport_get_draw_centermark ( VikViewport *vvp )
+{
+ return vvp->draw_centermark;
+}
+
+void vik_viewport_draw_centermark ( VikViewport *vvp )
+{
+ if ( !vvp->draw_centermark )
+ return;
+
+ const int len = 30;
+ const int gap = 4;
+ int center_x = vvp->width/2;
+ int center_y = vvp->height/2;
+ GdkGC * black_gc = GTK_WIDGET(&vvp->drawing_area)->style->black_gc;
+
+ /* white back ground */
+ vik_viewport_draw_line(vvp, vvp->scale_bg_gc, center_x - len, center_y, center_x - gap, center_y);
+ vik_viewport_draw_line(vvp, vvp->scale_bg_gc, center_x + gap, center_y, center_x + len, center_y);
+ vik_viewport_draw_line(vvp, vvp->scale_bg_gc, center_x, center_y - len, center_x, center_y - gap);
+ vik_viewport_draw_line(vvp, vvp->scale_bg_gc, center_x, center_y + gap, center_x, center_y + len);
+ /* black fore ground */
+ vik_viewport_draw_line(vvp, black_gc, center_x - len, center_y, center_x - gap, center_y);
+ vik_viewport_draw_line(vvp, black_gc, center_x + gap, center_y, center_x + len, center_y);
+ vik_viewport_draw_line(vvp, black_gc, center_x, center_y - len, center_x, center_y - gap);
+ vik_viewport_draw_line(vvp, black_gc, center_x, center_y + gap, center_x, center_y + len);
+
+}
+
void vik_viewport_sync ( VikViewport *vvp )
{
g_return_if_fail ( vvp != NULL );
vvp->google_calcx_rev_fact = 1 / vvp->google_calcx_fact;
vvp->google_calcy_rev_fact = 1 / vvp->google_calcy_fact;
}
+
+/******** triggering *******/
+void vik_viewport_set_trigger ( VikViewport *vp, gpointer trigger )
+{
+ vp->trigger = trigger;
+}
+
+gpointer vik_viewport_get_trigger ( VikViewport *vp )
+{
+ return vp->trigger;
+}
+
+void vik_viewport_snapshot_save ( VikViewport *vp )
+{
+ gdk_draw_drawable ( vp->snapshot_buffer, vp->background_gc, vp->scr_buffer, 0, 0, 0, 0, -1, -1 );
+}
+
+void vik_viewport_snapshot_load ( VikViewport *vp )
+{
+ gdk_draw_drawable ( vp->scr_buffer, vp->background_gc, vp->snapshot_buffer, 0, 0, 0, 0, -1, -1 );
+}
+
+void vik_viewport_set_half_drawn(VikViewport *vp, gboolean half_drawn)
+{
+ vp->half_drawn = half_drawn;
+}
+
+gboolean vik_viewport_get_half_drawn( VikViewport *vp )
+{
+ return vp->half_drawn;
+}
+
+
+const gchar *vik_viewport_get_drawmode_name(VikViewport *vv, VikViewportDrawMode mode)
+ {
+ const gchar *name = NULL;
+ VikWindow *vw = NULL;
+ GtkWidget *mode_button;
+ GtkWidget *label;
+
+ vw = VIK_WINDOW_FROM_WIDGET(vv);
+ mode_button = vik_window_get_drawmode_button(vw, mode);
+ label = gtk_bin_get_child(GTK_BIN(mode_button));
+
+ name = gtk_label_get_text ( GTK_LABEL(label) );
+
+ return name;
+
+}
+
+void vik_viewport_get_min_max_lat_lon ( VikViewport *vp, gdouble *min_lat, gdouble *max_lat, gdouble *min_lon, gdouble *max_lon )
+{
+ VikCoord tleft, tright, bleft, bright;
+
+ vik_viewport_screen_to_coord ( vp, 0, 0, &tleft );
+ vik_viewport_screen_to_coord ( vp, vik_viewport_get_width(vp), 0, &tright );
+ vik_viewport_screen_to_coord ( vp, 0, vik_viewport_get_height(vp), &bleft );
+ vik_viewport_screen_to_coord ( vp, vp->width, vp->height, &bright );
+
+ vik_coord_convert(&tleft, VIK_COORD_LATLON);
+ vik_coord_convert(&tright, VIK_COORD_LATLON);
+ vik_coord_convert(&bleft, VIK_COORD_LATLON);
+ vik_coord_convert(&bright, VIK_COORD_LATLON);
+
+ *max_lat = MAX(tleft.north_south, tright.north_south);
+ *min_lat = MIN(bleft.north_south, bright.north_south);
+ *max_lon = MAX(tright.east_west, bright.east_west);
+ *min_lon = MIN(tleft.east_west, bleft.east_west);
+}
projects / andy / viking.git / blobdiff