/* * viking -- GPS Data and Topo Analyzer, Explorer, and Manager * * Copyright (C) 2003-2005, Evan Battaglia * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "viking.h" #include #include #include #include #include #include #include "icons/icons.h" /* static struct UTM default_location_UTM ( void ) { struct LatLon ll; ll.lat = a_vik_get_default_lat (); ll.lon = a_vik_get_default_long (); struct UTM u; a_coords_latlon_to_utm (&ll, &u); return u; } static VikLayerParamData easting_default ( void ) { struct UTM u = default_location_UTM(); VikLayerParamData data; data.d = u.easting; return data; } static VikLayerParamData northing_default ( void ) { struct UTM u = default_location_UTM(); VikLayerParamData data; data.d = u.northing; return data; } static VikLayerParamData image_default ( void ) { VikLayerParamData data; data.s = g_strdup (""); return data; } static VikLayerParamData mpp_default ( void ) { return VIK_LPD_DOUBLE ( 4.0 ); } */ VikLayerParam georef_layer_params[] = { { VIK_LAYER_GEOREF, "image", VIK_LAYER_PARAM_STRING, VIK_LAYER_NOT_IN_PROPERTIES, NULL, 0, NULL, NULL, NULL, NULL }, { VIK_LAYER_GEOREF, "corner_easting", VIK_LAYER_PARAM_DOUBLE, VIK_LAYER_NOT_IN_PROPERTIES, NULL, 0, NULL, NULL, NULL, NULL }, { VIK_LAYER_GEOREF, "corner_northing", VIK_LAYER_PARAM_DOUBLE, VIK_LAYER_NOT_IN_PROPERTIES, NULL, 0, NULL, NULL, NULL, NULL }, { VIK_LAYER_GEOREF, "mpp_easting", VIK_LAYER_PARAM_DOUBLE, VIK_LAYER_NOT_IN_PROPERTIES, NULL, 0, NULL, NULL, NULL, NULL }, { VIK_LAYER_GEOREF, "mpp_northing", VIK_LAYER_PARAM_DOUBLE, VIK_LAYER_NOT_IN_PROPERTIES, NULL, 0, NULL, NULL, NULL, NULL }, }; enum { PARAM_IMAGE = 0, PARAM_CE, PARAM_CN, PARAM_ME, PARAM_MN, NUM_PARAMS }; static const gchar* georef_layer_tooltip ( VikGeorefLayer *vgl ); static void georef_layer_marshall( VikGeorefLayer *vgl, guint8 **data, gint *len ); static VikGeorefLayer *georef_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp ); static gboolean georef_layer_set_param ( VikGeorefLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation ); static VikLayerParamData georef_layer_get_param ( VikGeorefLayer *vgl, guint16 id, gboolean is_file_operation ); static VikGeorefLayer *georef_layer_new ( VikViewport *vvp ); VikGeorefLayer *georef_layer_create ( VikViewport *vp ); static void georef_layer_free ( VikGeorefLayer *vgl ); gboolean georef_layer_properties ( VikGeorefLayer *vgl, gpointer vp ); static void georef_layer_draw ( VikGeorefLayer *vgl, gpointer data ); static void georef_layer_add_menu_items ( VikGeorefLayer *vgl, GtkMenu *menu, gpointer vlp ); static void georef_layer_set_image ( VikGeorefLayer *vgl, const gchar *image ); static gboolean georef_layer_dialog ( VikGeorefLayer **vgl, gpointer vp, GtkWindow *w ); static void georef_layer_load_image ( VikGeorefLayer *vgl ); /* tools */ static gpointer georef_layer_move_create ( VikWindow *vw, VikViewport *vvp); static gboolean georef_layer_move_release ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ); static gboolean georef_layer_move_press ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ); static gpointer georef_layer_zoom_create ( VikWindow *vw, VikViewport *vvp); static gboolean georef_layer_zoom_press ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ); // See comment in viktrwlayer.c for advice on values used static VikToolInterface georef_tools[] = { { { "GeorefMoveMap", "vik-icon-Georef Move Map", N_("_Georef Move Map"), NULL, N_("Georef Move Map"), 0 }, (VikToolConstructorFunc) georef_layer_move_create, NULL, NULL, NULL, (VikToolMouseFunc) georef_layer_move_press, NULL, (VikToolMouseFunc) georef_layer_move_release, (VikToolKeyFunc) NULL, FALSE, GDK_CURSOR_IS_PIXMAP, &cursor_geomove_pixbuf }, { { "GeorefZoomTool", "vik-icon-Georef Zoom Tool", N_("Georef Z_oom Tool"), NULL, N_("Georef Zoom Tool"), 0 }, (VikToolConstructorFunc) georef_layer_zoom_create, NULL, NULL, NULL, (VikToolMouseFunc) georef_layer_zoom_press, NULL, NULL, (VikToolKeyFunc) NULL, FALSE, GDK_CURSOR_IS_PIXMAP, &cursor_geozoom_pixbuf }, }; VikLayerInterface vik_georef_layer_interface = { "GeoRef Map", N_("GeoRef Map"), NULL, &vikgeoreflayer_pixbuf, /*icon */ georef_tools, sizeof(georef_tools) / sizeof(VikToolInterface), georef_layer_params, NUM_PARAMS, NULL, 0, VIK_MENU_ITEM_ALL, (VikLayerFuncCreate) georef_layer_create, (VikLayerFuncRealize) NULL, (VikLayerFuncPostRead) georef_layer_load_image, (VikLayerFuncFree) georef_layer_free, (VikLayerFuncProperties) georef_layer_properties, (VikLayerFuncDraw) georef_layer_draw, (VikLayerFuncChangeCoordMode) NULL, (VikLayerFuncSetMenuItemsSelection) NULL, (VikLayerFuncGetMenuItemsSelection) NULL, (VikLayerFuncAddMenuItems) georef_layer_add_menu_items, (VikLayerFuncSublayerAddMenuItems) NULL, (VikLayerFuncSublayerRenameRequest) NULL, (VikLayerFuncSublayerToggleVisible) NULL, (VikLayerFuncSublayerTooltip) NULL, (VikLayerFuncLayerTooltip) georef_layer_tooltip, (VikLayerFuncLayerSelected) NULL, (VikLayerFuncMarshall) georef_layer_marshall, (VikLayerFuncUnmarshall) georef_layer_unmarshall, (VikLayerFuncSetParam) georef_layer_set_param, (VikLayerFuncGetParam) georef_layer_get_param, (VikLayerFuncReadFileData) NULL, (VikLayerFuncWriteFileData) NULL, (VikLayerFuncDeleteItem) NULL, (VikLayerFuncCutItem) NULL, (VikLayerFuncCopyItem) NULL, (VikLayerFuncPasteItem) NULL, (VikLayerFuncFreeCopiedItem) NULL, (VikLayerFuncDragDropRequest) NULL, (VikLayerFuncSelectClick) NULL, (VikLayerFuncSelectMove) NULL, (VikLayerFuncSelectRelease) NULL, (VikLayerFuncSelectedViewportMenu) NULL, }; struct _VikGeorefLayer { VikLayer vl; gchar *image; GdkPixbuf *pixbuf; struct UTM corner; gdouble mpp_easting, mpp_northing; guint width, height; GdkPixbuf *scaled; guint32 scaled_width, scaled_height; gint click_x, click_y; }; GType vik_georef_layer_get_type () { static GType vgl_type = 0; if (!vgl_type) { static const GTypeInfo vgl_info = { sizeof (VikGeorefLayerClass), NULL, /* base_init */ NULL, /* base_finalize */ NULL, /* class init */ NULL, /* class_finalize */ NULL, /* class_data */ sizeof (VikGeorefLayer), 0, NULL /* instance init */ }; vgl_type = g_type_register_static ( VIK_LAYER_TYPE, "VikGeorefLayer", &vgl_info, 0 ); } return vgl_type; } static const gchar* georef_layer_tooltip ( VikGeorefLayer *vgl ) { return vgl->image; } static void georef_layer_marshall( VikGeorefLayer *vgl, guint8 **data, gint *len ) { vik_layer_marshall_params ( VIK_LAYER(vgl), data, len ); } static VikGeorefLayer *georef_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp ) { VikGeorefLayer *rv = georef_layer_new ( vvp ); vik_layer_unmarshall_params ( VIK_LAYER(rv), data, len, vvp ); if (rv->image) { georef_layer_load_image ( rv ); } return rv; } static gboolean georef_layer_set_param ( VikGeorefLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation ) { switch ( id ) { case PARAM_IMAGE: georef_layer_set_image ( vgl, data.s ); break; case PARAM_CN: vgl->corner.northing = data.d; break; case PARAM_CE: vgl->corner.easting = data.d; break; case PARAM_MN: vgl->mpp_northing = data.d; break; case PARAM_ME: vgl->mpp_easting = data.d; break; } return TRUE; } static VikLayerParamData georef_layer_get_param ( VikGeorefLayer *vgl, guint16 id, gboolean is_file_operation ) { VikLayerParamData rv; switch ( id ) { case PARAM_IMAGE: rv.s = vgl->image ? vgl->image : ""; break; case PARAM_CN: rv.d = vgl->corner.northing; break; case PARAM_CE: rv.d = vgl->corner.easting; break; case PARAM_MN: rv.d = vgl->mpp_northing; break; case PARAM_ME: rv.d = vgl->mpp_easting; break; } return rv; } static VikGeorefLayer *georef_layer_new ( VikViewport *vvp ) { VikGeorefLayer *vgl = VIK_GEOREF_LAYER ( g_object_new ( VIK_GEOREF_LAYER_TYPE, NULL ) ); vik_layer_set_type ( VIK_LAYER(vgl), VIK_LAYER_GEOREF ); // Since GeoRef layer doesn't use uibuilder // initializing this way won't do anything yet.. vik_layer_set_defaults ( VIK_LAYER(vgl), vvp ); vgl->image = NULL; vgl->pixbuf = NULL; vgl->click_x = -1; vgl->click_y = -1; vgl->scaled = NULL; vgl->scaled_width = 0; vgl->scaled_height = 0; return vgl; } static void georef_layer_draw ( VikGeorefLayer *vgl, gpointer data ) { /* bla, bla */ if ( vgl->pixbuf ) { VikViewport *vp = VIK_VIEWPORT(data); struct UTM utm_middle; gdouble xmpp = vik_viewport_get_xmpp(vp), ympp = vik_viewport_get_ympp(vp); GdkPixbuf *pixbuf = vgl->pixbuf; guint layer_width = vgl->width; guint layer_height = vgl->height; vik_coord_to_utm ( vik_viewport_get_center ( vp ), &utm_middle ); /* scale the pixbuf if it doesn't match our dimensions */ if ( xmpp != vgl->mpp_easting || ympp != vgl->mpp_northing ) { layer_width = round(vgl->width * vgl->mpp_easting / xmpp); layer_height = round(vgl->height * vgl->mpp_northing / ympp); /* rescale if necessary */ if (layer_width == vgl->scaled_width && layer_height == vgl->scaled_height && vgl->scaled != NULL) pixbuf = vgl->scaled; else { pixbuf = gdk_pixbuf_scale_simple( vgl->pixbuf, layer_width, layer_height, GDK_INTERP_BILINEAR ); if (vgl->scaled != NULL) g_object_unref(vgl->scaled); vgl->scaled = pixbuf; vgl->scaled_width = layer_width; vgl->scaled_height = layer_height; } } guint width = vik_viewport_get_width(vp), height = vik_viewport_get_height(vp); gint32 x, y; vgl->corner.zone = utm_middle.zone; vgl->corner.letter = utm_middle.letter; VikCoord corner_coord; vik_coord_load_from_utm ( &corner_coord, vik_viewport_get_coord_mode(vp), &(vgl->corner) ); vik_viewport_coord_to_screen ( vp, &corner_coord, &x, &y ); if ( (x < 0 || x < width) && (y < 0 || y < height) && x+layer_width > 0 && y+layer_height > 0 ) vik_viewport_draw_pixbuf ( vp, pixbuf, 0, 0, x, y, layer_width, layer_height ); /* todo: draw only what we need to. */ } } static void georef_layer_free ( VikGeorefLayer *vgl ) { if ( vgl->image != NULL ) g_free ( vgl->image ); if ( vgl->scaled != NULL ) g_object_unref ( vgl->scaled ); } VikGeorefLayer *georef_layer_create ( VikViewport *vp ) { return georef_layer_new ( vp ); } gboolean georef_layer_properties ( VikGeorefLayer *vgl, gpointer vp ) { return georef_layer_dialog ( &vgl, vp, VIK_GTK_WINDOW_FROM_WIDGET(vp) ); } static void georef_layer_load_image ( VikGeorefLayer *vgl ) { GError *gx = NULL; if ( vgl->image == NULL ) return; if ( vgl->pixbuf ) g_object_unref ( G_OBJECT(vgl->pixbuf) ); if ( vgl->scaled ) { g_object_unref ( G_OBJECT(vgl->scaled) ); vgl->scaled = NULL; } vgl->pixbuf = gdk_pixbuf_new_from_file ( vgl->image, &gx ); if (gx) { g_warning ( _("Couldn't open image file: %s"), gx->message ); g_error_free ( gx ); } else { vgl->width = gdk_pixbuf_get_width ( vgl->pixbuf ); vgl->height = gdk_pixbuf_get_height ( vgl->pixbuf ); } /* should find length and width here too */ } static void georef_layer_set_image ( VikGeorefLayer *vgl, const gchar *image ) { if ( vgl->image ) g_free ( vgl->image ); if ( vgl->scaled ) { g_object_unref ( vgl->scaled ); vgl->scaled = NULL; } if ( image == NULL ) vgl->image = NULL; vgl->image = g_strdup ( image ); } static gboolean world_file_read_line ( gchar *buffer, gint size, FILE *f, GtkWidget *widget, gboolean use_value ) { if (!fgets ( buffer, 1024, f )) { a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_WIDGET(widget), _("Unexpected end of file reading World file.") ); g_free ( buffer ); fclose ( f ); f = NULL; return FALSE; } if ( use_value ) { gdouble val = g_strtod ( buffer, NULL ); gtk_spin_button_set_value ( GTK_SPIN_BUTTON(widget), val > 0 ? val : -val ); } return TRUE; } static void georef_layer_dialog_load ( GtkWidget *pass_along[4] ) { GtkWidget *file_selector = gtk_file_chooser_dialog_new (_("Choose World file"), NULL, GTK_FILE_CHOOSER_ACTION_OPEN, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, NULL); if ( gtk_dialog_run ( GTK_DIALOG ( file_selector ) ) == GTK_RESPONSE_ACCEPT ) { FILE *f = g_fopen ( gtk_file_chooser_get_filename ( GTK_FILE_CHOOSER(file_selector) ), "r" ); gtk_widget_destroy ( file_selector ); if ( !f ) { a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_WIDGET(pass_along[0]), _("The World file you requested could not be opened for reading.") ); return; } else { gchar *buffer = g_malloc ( 1024 * sizeof(gchar) ); if ( world_file_read_line ( buffer, 1024, f, pass_along[0], TRUE ) && world_file_read_line ( buffer, 1024, f, pass_along[0], FALSE) && world_file_read_line ( buffer, 1024, f, pass_along[0], FALSE ) && world_file_read_line ( buffer, 1024, f, pass_along[1], TRUE) && world_file_read_line ( buffer, 1024, f, pass_along[2], TRUE ) && world_file_read_line ( buffer, 1024, f, pass_along[3], TRUE ) ) { g_free ( buffer ); fclose ( f ); f = NULL; } } } else gtk_widget_destroy ( file_selector ); /* do your jazz We need a file selection dialog file opener for reading, if NULL, send error_msg ( VIK_GTK_WINDOW_FROM_WIDGET(pass_along[0]) ) does that catch directories too? read lines -- if not enough lines, give error. if anything outside, give error. define range with #define CONSTANTS put 'em in thar widgets, and that's it. */ } static void georef_layer_export_params ( gpointer *pass_along[2] ) { VikGeorefLayer *vgl = VIK_GEOREF_LAYER(pass_along[0]); GtkWidget *file_selector = gtk_file_chooser_dialog_new (_("Choose World file"), NULL, GTK_FILE_CHOOSER_ACTION_SAVE, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, NULL); if ( gtk_dialog_run ( GTK_DIALOG ( file_selector ) ) == GTK_RESPONSE_ACCEPT ) { FILE *f = g_fopen ( gtk_file_chooser_get_filename ( GTK_FILE_CHOOSER(file_selector) ), "w" ); gtk_widget_destroy ( file_selector ); if ( !f ) { a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_WIDGET(pass_along[0]), _("The file you requested could not be opened for writing.") ); return; } else { fprintf ( f, "%f\n%f\n%f\n%f\n%f\n%f\n", vgl->mpp_easting, vgl->mpp_northing, 0.0, 0.0, vgl->corner.easting, vgl->corner.northing ); fclose ( f ); f = NULL; } } else gtk_widget_destroy ( file_selector ); } /* returns TRUE if OK was pressed. */ static gboolean georef_layer_dialog ( VikGeorefLayer **vgl, gpointer vp, GtkWindow *w ) { GtkWidget *dialog = gtk_dialog_new_with_buttons (_("Layer Properties"), w, GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, NULL ); /* Default to reject as user really needs to specify map file first */ gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_REJECT ); GtkWidget *response_w = NULL; #if GTK_CHECK_VERSION (2, 20, 0) response_w = gtk_dialog_get_widget_for_response ( GTK_DIALOG(dialog), GTK_RESPONSE_REJECT ); #endif GtkWidget *table, *wfp_hbox, *wfp_label, *wfp_button, *ce_label, *ce_spin, *cn_label, *cn_spin, *xlabel, *xspin, *ylabel, *yspin, *imagelabel, *imageentry; GtkWidget *pass_along[4]; table = gtk_table_new ( 6, 2, FALSE ); gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), table, TRUE, TRUE, 0 ); wfp_hbox = gtk_hbox_new ( FALSE, 0 ); wfp_label = gtk_label_new ( _("World File Parameters:") ); wfp_button = gtk_button_new_with_label ( _("Load From File...") ); gtk_box_pack_start ( GTK_BOX(wfp_hbox), wfp_label, TRUE, TRUE, 0 ); gtk_box_pack_start ( GTK_BOX(wfp_hbox), wfp_button, FALSE, FALSE, 3 ); ce_label = gtk_label_new ( _("Corner pixel easting:") ); ce_spin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, 0.0, 1500000.0, 1, 5, 0 ), 1, 4 ); gtk_widget_set_tooltip_text ( GTK_WIDGET(ce_spin), _("the UTM \"easting\" value of the upper-right corner pixel of the map") ); cn_label = gtk_label_new ( _("Corner pixel northing:") ); cn_spin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, 0.0, 9000000.0, 1, 5, 0 ), 1, 4 ); gtk_widget_set_tooltip_text ( GTK_WIDGET(cn_spin), _("the UTM \"northing\" value of the upper-right corner pixel of the map") ); xlabel = gtk_label_new ( _("X (easting) scale (mpp): ")); ylabel = gtk_label_new ( _("Y (northing) scale (mpp): ")); xspin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, VIK_VIEWPORT_MIN_ZOOM, VIK_VIEWPORT_MAX_ZOOM, 1, 5, 0 ), 1, 8 ); gtk_widget_set_tooltip_text ( GTK_WIDGET(xspin), _("the scale of the map in the X direction (meters per pixel)") ); yspin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, VIK_VIEWPORT_MIN_ZOOM, VIK_VIEWPORT_MAX_ZOOM, 1, 5, 0 ), 1, 8 ); gtk_widget_set_tooltip_text ( GTK_WIDGET(yspin), _("the scale of the map in the Y direction (meters per pixel)") ); imagelabel = gtk_label_new ( _("Map Image:") ); imageentry = vik_file_entry_new (GTK_FILE_CHOOSER_ACTION_OPEN); if (*vgl) { gtk_spin_button_set_value ( GTK_SPIN_BUTTON(ce_spin), (*vgl)->corner.easting ); gtk_spin_button_set_value ( GTK_SPIN_BUTTON(cn_spin), (*vgl)->corner.northing ); gtk_spin_button_set_value ( GTK_SPIN_BUTTON(xspin), (*vgl)->mpp_easting ); gtk_spin_button_set_value ( GTK_SPIN_BUTTON(yspin), (*vgl)->mpp_northing ); if ( (*vgl)->image ) vik_file_entry_set_filename ( VIK_FILE_ENTRY(imageentry), (*vgl)->image ); } else { VikCoord corner_coord; struct UTM utm; vik_viewport_screen_to_coord ( VIK_VIEWPORT(vp), 0, 0, &corner_coord ); vik_coord_to_utm ( &corner_coord, &utm ); gtk_spin_button_set_value ( GTK_SPIN_BUTTON(ce_spin), utm.easting ); gtk_spin_button_set_value ( GTK_SPIN_BUTTON(cn_spin), utm.northing ); gtk_spin_button_set_value ( GTK_SPIN_BUTTON(xspin), vik_viewport_get_xmpp ( VIK_VIEWPORT(vp) ) ); gtk_spin_button_set_value ( GTK_SPIN_BUTTON(yspin), vik_viewport_get_ympp ( VIK_VIEWPORT(vp) ) ); } gtk_table_attach_defaults ( GTK_TABLE(table), imagelabel, 0, 1, 0, 1 ); gtk_table_attach_defaults ( GTK_TABLE(table), imageentry, 1, 2, 0, 1 ); gtk_table_attach_defaults ( GTK_TABLE(table), wfp_hbox, 0, 2, 1, 2 ); gtk_table_attach_defaults ( GTK_TABLE(table), xlabel, 0, 1, 2, 3 ); gtk_table_attach_defaults ( GTK_TABLE(table), xspin, 1, 2, 2, 3 ); gtk_table_attach_defaults ( GTK_TABLE(table), ylabel, 0, 1, 3, 4 ); gtk_table_attach_defaults ( GTK_TABLE(table), yspin, 1, 2, 3, 4 ); gtk_table_attach_defaults ( GTK_TABLE(table), ce_label, 0, 1, 4, 5 ); gtk_table_attach_defaults ( GTK_TABLE(table), ce_spin, 1, 2, 4, 5 ); gtk_table_attach_defaults ( GTK_TABLE(table), cn_label, 0, 1, 5, 6 ); gtk_table_attach_defaults ( GTK_TABLE(table), cn_spin, 1, 2, 5, 6 ); pass_along[0] = xspin; pass_along[1] = yspin; pass_along[2] = ce_spin; pass_along[3] = cn_spin; g_signal_connect_swapped ( G_OBJECT(wfp_button), "clicked", G_CALLBACK(georef_layer_dialog_load), pass_along ); if ( response_w ) gtk_widget_grab_focus ( response_w ); gtk_widget_show_all ( table ); if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) == GTK_RESPONSE_ACCEPT ) { if (! *vgl) { *vgl = georef_layer_new ( VIK_VIEWPORT(vp) ); vik_layer_rename ( VIK_LAYER(*vgl), vik_georef_layer_interface.name ); } (*vgl)->corner.easting = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(ce_spin) ); (*vgl)->corner.northing = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(cn_spin) ); (*vgl)->mpp_easting = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(xspin) ); (*vgl)->mpp_northing = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(yspin) ); if ( (!(*vgl)->image) || strcmp( (*vgl)->image, vik_file_entry_get_filename(VIK_FILE_ENTRY(imageentry)) ) != 0 ) { georef_layer_set_image ( *vgl, vik_file_entry_get_filename(VIK_FILE_ENTRY(imageentry)) ); georef_layer_load_image ( *vgl ); } gtk_widget_destroy ( GTK_WIDGET(dialog) ); return TRUE; } gtk_widget_destroy ( GTK_WIDGET(dialog) ); return FALSE; } static void georef_layer_zoom_to_fit ( gpointer vgl_vlp[2] ) { vik_viewport_set_xmpp ( vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(vgl_vlp[1])), VIK_GEOREF_LAYER(vgl_vlp[0])->mpp_easting ); vik_viewport_set_ympp ( vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(vgl_vlp[1])), VIK_GEOREF_LAYER(vgl_vlp[0])->mpp_northing ); vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vgl_vlp[1]) ); } static void georef_layer_goto_center ( gpointer vgl_vlp[2] ) { VikGeorefLayer *vgl = VIK_GEOREF_LAYER ( vgl_vlp[0] ); VikViewport *vp = vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(vgl_vlp[1])); struct UTM utm; VikCoord coord; vik_coord_to_utm ( vik_viewport_get_center ( vp ), &utm ); utm.easting = vgl->corner.easting + (vgl->width * vgl->mpp_easting / 2); /* only an approximation */ utm.northing = vgl->corner.northing - (vgl->height * vgl->mpp_northing / 2); vik_coord_load_from_utm ( &coord, vik_viewport_get_coord_mode ( vp ), &utm ); vik_viewport_set_center_coord ( vp, &coord ); vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vgl_vlp[1]) ); } static void georef_layer_add_menu_items ( VikGeorefLayer *vgl, GtkMenu *menu, gpointer vlp ) { static gpointer pass_along[2]; GtkWidget *item; pass_along[0] = vgl; pass_along[1] = vlp; item = gtk_menu_item_new(); gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item ); gtk_widget_show ( item ); /* Now with icons */ item = gtk_image_menu_item_new_with_mnemonic ( _("_Zoom to Fit Map") ); gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_ZOOM_FIT, GTK_ICON_SIZE_MENU) ); g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(georef_layer_zoom_to_fit), pass_along ); gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); gtk_widget_show ( item ); item = gtk_image_menu_item_new_with_mnemonic ( _("_Goto Map Center") ); gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_JUMP_TO, GTK_ICON_SIZE_MENU) ); g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(georef_layer_goto_center), pass_along ); gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); gtk_widget_show ( item ); item = gtk_image_menu_item_new_with_mnemonic ( _("_Export to World File") ); gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_HARDDISK, GTK_ICON_SIZE_MENU) ); g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(georef_layer_export_params), pass_along ); gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); gtk_widget_show ( item ); } static gpointer georef_layer_move_create ( VikWindow *vw, VikViewport *vvp) { return vvp; } static gboolean georef_layer_move_release ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ) { if (!vgl || vgl->vl.type != VIK_LAYER_GEOREF) return FALSE; if ( vgl->click_x != -1 ) { vgl->corner.easting += (event->x - vgl->click_x) * vik_viewport_get_xmpp (vvp); vgl->corner.northing -= (event->y - vgl->click_y) * vik_viewport_get_ympp (vvp); vik_layer_emit_update ( VIK_LAYER(vgl) ); return TRUE; } return FALSE; /* I didn't move anything on this layer! */ } static gpointer georef_layer_zoom_create ( VikWindow *vw, VikViewport *vvp) { return vvp; } static gboolean georef_layer_zoom_press ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ) { if (!vgl || vgl->vl.type != VIK_LAYER_GEOREF) return FALSE; if ( event->button == 1 ) { if ( vgl->mpp_easting < (VIK_VIEWPORT_MAX_ZOOM / 1.05) && vgl->mpp_northing < (VIK_VIEWPORT_MAX_ZOOM / 1.05) ) { vgl->mpp_easting *= 1.01; vgl->mpp_northing *= 1.01; } } else { if ( vgl->mpp_easting > (VIK_VIEWPORT_MIN_ZOOM * 1.05) && vgl->mpp_northing > (VIK_VIEWPORT_MIN_ZOOM * 1.05) ) { vgl->mpp_easting /= 1.01; vgl->mpp_northing /= 1.01; } } vik_viewport_set_xmpp ( vvp, vgl->mpp_easting ); vik_viewport_set_ympp ( vvp, vgl->mpp_northing ); vik_layer_emit_update ( VIK_LAYER(vgl) ); return TRUE; } static gboolean georef_layer_move_press ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ) { if (!vgl || vgl->vl.type != VIK_LAYER_GEOREF) return FALSE; vgl->click_x = event->x; vgl->click_y = event->y; return TRUE; }