#include <gtk/gtk.h>
#include <math.h>
-#include <stdio.h>
#include "coords.h"
#include "vikcoord.h"
/* for ALTI_TO_MPP */
#include "globals.h"
-#include "googlemaps.h"
-#include "khmaps.h"
static gdouble EASTING_OFFSET = 500000.0;
static GObjectClass *parent_class;
-static void viewport_google_rezoom ( VikViewport *vvp );
-
struct _VikViewport {
GtkDrawingArea drawing_area;
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
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);
+
+ GTK_WIDGET_SET_FLAGS(vvp, GTK_CAN_FOCUS); /* allow VVP to have focus -- enabling key events, etc */
}
GdkColor *vik_viewport_get_background_gdkcolor ( VikViewport *vvp )
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 )
{
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->drawmode == VIK_VIEWPORT_DRAWMODE_UTM )
viewport_utm_zone_check(vvp);
- else if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_GOOGLE )
- viewport_google_rezoom ( vvp );
}
/* or could do factor */
vvp->xmpp /= 2;
vvp->ympp /= 2;
- if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_GOOGLE )
- viewport_google_rezoom ( vvp );
-
viewport_utm_zone_check(vvp);
}
}
vvp->xmpp *= 2;
vvp->ympp *= 2;
- if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_GOOGLE )
- viewport_google_rezoom ( vvp );
-
viewport_utm_zone_check(vvp);
}
}
vvp->xmpp = xmpp;
if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_UTM )
viewport_utm_zone_check(vvp);
- if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_GOOGLE )
- viewport_google_rezoom ( vvp );
}
}
vvp->ympp = ympp;
if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_UTM )
viewport_utm_zone_check(vvp);
- if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_GOOGLE )
- viewport_google_rezoom ( vvp );
}
}
coord->mode = VIK_COORD_LATLON;
if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_EXPEDIA )
calcxy_rev(&(coord->east_west), &(coord->north_south), x, y, vvp->center.east_west, vvp->center.north_south, vvp->xmpp * ALTI_TO_MPP, vvp->ympp * ALTI_TO_MPP, vvp->width/2, vvp->height/2);
- else if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_GOOGLE ) {
- /* google */
- coord->east_west = (x - (vvp->width/2)) * vvp->google_calcx_rev_fact + vvp->center.east_west;
- coord->north_south = ((vvp->height/2) - y) * vvp->google_calcy_rev_fact + vvp->center.north_south;
- } else if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_KH ) {
- coord->east_west = vvp->center.east_west + (180.0 * vvp->xmpp / 65536 / 256 * (x - vvp->width/2));
- coord->north_south = vvp->center.north_south + (180.0 * vvp->ympp / 65536 / 256 * (vvp->height/2 - y));
- } else if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_MERCATOR ) {
+ else if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_MERCATOR ) {
/* FIXMERCATOR */
coord->east_west = vvp->center.east_west + (180.0 * vvp->xmpp / 65536 / 256 * (x - vvp->width/2));
coord->north_south = DEMERCLAT ( MERCLAT(vvp->center.north_south) + (180.0 * vvp->ympp / 65536 / 256 * (vvp->height/2 - y)) );
if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_EXPEDIA ) {
calcxy ( &xx, &yy, center->lon, center->lat, ll->lon, ll->lat, vvp->xmpp * ALTI_TO_MPP, vvp->ympp * ALTI_TO_MPP, vvp->width / 2, vvp->height / 2 );
*x = xx; *y = yy;
- } else if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_GOOGLE ) {
- /* google */
- *x = vvp->google_calcx_fact * (ll->lon - center->lon) + (vvp->width/2);
- *y = vvp->google_calcy_fact * (center->lat - ll->lat) + (vvp->height/2);
- } else if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_KH ) {
- /* subtract, convert to KH coords; blow it up by 256 */
- *x = vvp->width/2 + (65536.0 / 180 / vvp->xmpp * (ll->lon - center->lon))*256.0;
- *y = vvp->height/2 + (65536.0 / 180 / vvp->ympp * (center->lat - ll->lat))*256.0;
} else if ( vvp->drawmode == VIK_VIEWPORT_DRAWMODE_MERCATOR ) {
/* FIXMERCATOR: Optimize */
*x = vvp->width/2 + (65536.0 / 180 / vvp->xmpp * (ll->lon - center->lon))*256.0;
viewport_set_coord_mode ( vvp, VIK_COORD_UTM );
else {
viewport_set_coord_mode ( vvp, VIK_COORD_LATLON );
- if ( drawmode == VIK_VIEWPORT_DRAWMODE_GOOGLE )
- viewport_google_rezoom ( vvp );
}
}
return vvp->drawmode;
}
-static void viewport_google_rezoom ( VikViewport *vvp )
+/******** triggering *******/
+void vik_viewport_set_trigger ( VikViewport *vp, gpointer trigger )
{
- vvp->google_calcx_fact = (GOOGLEMAPS_ZOOM_ONE_MPP * 65536.0 * 0.7716245833877 / vvp->xmpp);
- vvp->google_calcy_fact = (GOOGLEMAPS_ZOOM_ONE_MPP * 65536.0 / vvp->ympp);
- vvp->google_calcx_rev_fact = 1 / vvp->google_calcx_fact;
- vvp->google_calcy_rev_fact = 1 / vvp->google_calcy_fact;
+ vp->trigger = trigger;
}
+gpointer vik_viewport_get_trigger ( VikViewport *vp )
+{
+ return vp->trigger;
+}
-const gchar *vik_viewport_get_drawmode_name(VikViewport *vv, VikViewportDrawMode mode)
+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;
}
+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);
+}