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1 | /* | |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #ifdef HAVE_CONFIG_H | |
23 | #include "config.h" | |
24 | #endif | |
25 | ||
26 | #include "viking.h" | |
27 | #include <glib.h> | |
28 | #include <glib/gstdio.h> | |
29 | #include <glib/gi18n.h> | |
30 | #include <string.h> | |
31 | #include <math.h> | |
32 | #include <stdlib.h> | |
33 | ||
34 | #include "icons/icons.h" | |
35 | ||
36 | VikLayerParam georef_layer_params[] = { | |
37 | { "image", VIK_LAYER_PARAM_STRING, VIK_LAYER_NOT_IN_PROPERTIES }, | |
38 | { "corner_easting", VIK_LAYER_PARAM_DOUBLE, VIK_LAYER_NOT_IN_PROPERTIES }, | |
39 | { "corner_northing", VIK_LAYER_PARAM_DOUBLE, VIK_LAYER_NOT_IN_PROPERTIES }, | |
40 | { "mpp_easting", VIK_LAYER_PARAM_DOUBLE, VIK_LAYER_NOT_IN_PROPERTIES }, | |
41 | { "mpp_northing", VIK_LAYER_PARAM_DOUBLE, VIK_LAYER_NOT_IN_PROPERTIES }, | |
42 | }; | |
43 | ||
44 | enum { PARAM_IMAGE = 0, PARAM_CE, PARAM_CN, PARAM_ME, PARAM_MN, NUM_PARAMS }; | |
45 | ||
46 | static void georef_layer_marshall( VikGeorefLayer *vgl, guint8 **data, gint *len ); | |
47 | static VikGeorefLayer *georef_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp ); | |
48 | static gboolean georef_layer_set_param ( VikGeorefLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation ); | |
49 | static VikLayerParamData georef_layer_get_param ( VikGeorefLayer *vgl, guint16 id, gboolean is_file_operation ); | |
50 | VikGeorefLayer *georef_layer_new ( ); | |
51 | VikGeorefLayer *georef_layer_create ( VikViewport *vp ); | |
52 | static void georef_layer_free ( VikGeorefLayer *vgl ); | |
53 | gboolean georef_layer_properties ( VikGeorefLayer *vgl, gpointer vp ); | |
54 | static void georef_layer_draw ( VikGeorefLayer *vgl, gpointer data ); | |
55 | static void georef_layer_add_menu_items ( VikGeorefLayer *vgl, GtkMenu *menu, gpointer vlp ); | |
56 | static void georef_layer_set_image ( VikGeorefLayer *vgl, const gchar *image ); | |
57 | static gboolean georef_layer_dialog ( VikGeorefLayer **vgl, gpointer vp, GtkWindow *w ); | |
58 | static void georef_layer_load_image ( VikGeorefLayer *vgl ); | |
59 | ||
60 | /* tools */ | |
61 | static gpointer georef_layer_move_create ( VikWindow *vw, VikViewport *vvp); | |
62 | static gboolean georef_layer_move_release ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ); | |
63 | static gboolean georef_layer_move_press ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ); | |
64 | static gpointer georef_layer_zoom_create ( VikWindow *vw, VikViewport *vvp); | |
65 | static gboolean georef_layer_zoom_press ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ); | |
66 | ||
67 | static VikToolInterface georef_tools[] = { | |
68 | { N_("Georef Move Map"), (VikToolConstructorFunc) georef_layer_move_create, NULL, NULL, NULL, | |
69 | (VikToolMouseFunc) georef_layer_move_press, NULL, (VikToolMouseFunc) georef_layer_move_release, | |
70 | (VikToolKeyFunc) NULL, GDK_CURSOR_IS_PIXMAP, &cursor_geomove_pixbuf }, | |
71 | ||
72 | { N_("Georef Zoom Tool"), (VikToolConstructorFunc) georef_layer_zoom_create, NULL, NULL, NULL, | |
73 | (VikToolMouseFunc) georef_layer_zoom_press, NULL, NULL, | |
74 | (VikToolKeyFunc) NULL, GDK_CURSOR_IS_PIXMAP, &cursor_geozoom_pixbuf }, | |
75 | }; | |
76 | ||
77 | VikLayerInterface vik_georef_layer_interface = { | |
78 | "GeoRef Map", | |
79 | &vikgeoreflayer_pixbuf, /*icon */ | |
80 | ||
81 | georef_tools, | |
82 | sizeof(georef_tools) / sizeof(VikToolInterface), | |
83 | ||
84 | georef_layer_params, | |
85 | NUM_PARAMS, | |
86 | NULL, | |
87 | 0, | |
88 | ||
89 | VIK_MENU_ITEM_ALL, | |
90 | ||
91 | (VikLayerFuncCreate) georef_layer_create, | |
92 | (VikLayerFuncRealize) NULL, | |
93 | (VikLayerFuncPostRead) georef_layer_load_image, | |
94 | (VikLayerFuncFree) georef_layer_free, | |
95 | ||
96 | (VikLayerFuncProperties) georef_layer_properties, | |
97 | (VikLayerFuncDraw) georef_layer_draw, | |
98 | (VikLayerFuncChangeCoordMode) NULL, | |
99 | ||
100 | (VikLayerFuncSetMenuItemsSelection) NULL, | |
101 | (VikLayerFuncGetMenuItemsSelection) NULL, | |
102 | ||
103 | (VikLayerFuncAddMenuItems) georef_layer_add_menu_items, | |
104 | (VikLayerFuncSublayerAddMenuItems) NULL, | |
105 | ||
106 | (VikLayerFuncSublayerRenameRequest) NULL, | |
107 | (VikLayerFuncSublayerToggleVisible) NULL, | |
108 | ||
109 | (VikLayerFuncMarshall) georef_layer_marshall, | |
110 | (VikLayerFuncUnmarshall) georef_layer_unmarshall, | |
111 | ||
112 | (VikLayerFuncSetParam) georef_layer_set_param, | |
113 | (VikLayerFuncGetParam) georef_layer_get_param, | |
114 | ||
115 | (VikLayerFuncReadFileData) NULL, | |
116 | (VikLayerFuncWriteFileData) NULL, | |
117 | ||
118 | (VikLayerFuncDeleteItem) NULL, | |
119 | (VikLayerFuncCopyItem) NULL, | |
120 | (VikLayerFuncPasteItem) NULL, | |
121 | (VikLayerFuncFreeCopiedItem) NULL, | |
122 | (VikLayerFuncDragDropRequest) NULL, | |
123 | }; | |
124 | ||
125 | struct _VikGeorefLayer { | |
126 | VikLayer vl; | |
127 | gchar *image; | |
128 | GdkPixbuf *pixbuf; | |
129 | struct UTM corner; | |
130 | gdouble mpp_easting, mpp_northing; | |
131 | guint width, height; | |
132 | ||
133 | GdkPixbuf *scaled; | |
134 | guint32 scaled_width, scaled_height; | |
135 | ||
136 | gint click_x, click_y; | |
137 | }; | |
138 | ||
139 | ||
140 | ||
141 | GType vik_georef_layer_get_type () | |
142 | { | |
143 | static GType vgl_type = 0; | |
144 | ||
145 | if (!vgl_type) | |
146 | { | |
147 | static const GTypeInfo vgl_info = | |
148 | { | |
149 | sizeof (VikGeorefLayerClass), | |
150 | NULL, /* base_init */ | |
151 | NULL, /* base_finalize */ | |
152 | NULL, /* class init */ | |
153 | NULL, /* class_finalize */ | |
154 | NULL, /* class_data */ | |
155 | sizeof (VikGeorefLayer), | |
156 | 0, | |
157 | NULL /* instance init */ | |
158 | }; | |
159 | vgl_type = g_type_register_static ( VIK_LAYER_TYPE, "VikGeorefLayer", &vgl_info, 0 ); | |
160 | } | |
161 | ||
162 | return vgl_type; | |
163 | } | |
164 | ||
165 | static void georef_layer_marshall( VikGeorefLayer *vgl, guint8 **data, gint *len ) | |
166 | { | |
167 | vik_layer_marshall_params ( VIK_LAYER(vgl), data, len ); | |
168 | } | |
169 | ||
170 | static VikGeorefLayer *georef_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp ) | |
171 | { | |
172 | VikGeorefLayer *rv = georef_layer_new ( vvp ); | |
173 | vik_layer_unmarshall_params ( VIK_LAYER(rv), data, len, vvp ); | |
174 | if (rv->image) { | |
175 | georef_layer_load_image ( rv ); | |
176 | } | |
177 | return rv; | |
178 | } | |
179 | ||
180 | static gboolean georef_layer_set_param ( VikGeorefLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation ) | |
181 | { | |
182 | switch ( id ) | |
183 | { | |
184 | case PARAM_IMAGE: georef_layer_set_image ( vgl, data.s ); break; | |
185 | case PARAM_CN: vgl->corner.northing = data.d; break; | |
186 | case PARAM_CE: vgl->corner.easting = data.d; break; | |
187 | case PARAM_MN: vgl->mpp_northing = data.d; break; | |
188 | case PARAM_ME: vgl->mpp_easting = data.d; break; | |
189 | } | |
190 | return TRUE; | |
191 | } | |
192 | ||
193 | static VikLayerParamData georef_layer_get_param ( VikGeorefLayer *vgl, guint16 id, gboolean is_file_operation ) | |
194 | { | |
195 | VikLayerParamData rv; | |
196 | switch ( id ) | |
197 | { | |
198 | case PARAM_IMAGE: rv.s = vgl->image ? vgl->image : ""; break; | |
199 | case PARAM_CN: rv.d = vgl->corner.northing; break; | |
200 | case PARAM_CE: rv.d = vgl->corner.easting; break; | |
201 | case PARAM_MN: rv.d = vgl->mpp_northing; break; | |
202 | case PARAM_ME: rv.d = vgl->mpp_easting; break; | |
203 | } | |
204 | return rv; | |
205 | } | |
206 | ||
207 | VikGeorefLayer *georef_layer_new ( ) | |
208 | { | |
209 | VikGeorefLayer *vgl = VIK_GEOREF_LAYER ( g_object_new ( VIK_GEOREF_LAYER_TYPE, NULL ) ); | |
210 | vik_layer_init ( VIK_LAYER(vgl), VIK_LAYER_GEOREF ); | |
211 | ||
212 | vgl->image = NULL; | |
213 | vgl->pixbuf = NULL; | |
214 | vgl->click_x = -1; | |
215 | vgl->click_y = -1; | |
216 | vgl->scaled = NULL; | |
217 | vgl->scaled_width = 0; | |
218 | vgl->scaled_height = 0; | |
219 | return vgl; | |
220 | } | |
221 | ||
222 | static void georef_layer_draw ( VikGeorefLayer *vgl, gpointer data ) | |
223 | { | |
224 | /* bla, bla */ | |
225 | if ( vgl->pixbuf ) | |
226 | { | |
227 | VikViewport *vp = VIK_VIEWPORT(data); | |
228 | struct UTM utm_middle; | |
229 | gdouble xmpp = vik_viewport_get_xmpp(vp), ympp = vik_viewport_get_ympp(vp); | |
230 | GdkPixbuf *pixbuf = vgl->pixbuf; | |
231 | guint layer_width = vgl->width; | |
232 | guint layer_height = vgl->height; | |
233 | ||
234 | vik_coord_to_utm ( vik_viewport_get_center ( vp ), &utm_middle ); | |
235 | ||
236 | /* scale the pixbuf if it doesn't match our dimensions */ | |
237 | if ( xmpp != vgl->mpp_easting || ympp != vgl->mpp_northing ) | |
238 | { | |
239 | layer_width = round(vgl->width * vgl->mpp_easting / xmpp); | |
240 | layer_height = round(vgl->height * vgl->mpp_northing / ympp); | |
241 | ||
242 | /* rescale if necessary */ | |
243 | if (layer_width == vgl->scaled_width && layer_height == vgl->scaled_height && vgl->scaled != NULL) | |
244 | pixbuf = vgl->scaled; | |
245 | else | |
246 | { | |
247 | pixbuf = gdk_pixbuf_scale_simple( | |
248 | vgl->pixbuf, | |
249 | layer_width, | |
250 | layer_height, | |
251 | GDK_INTERP_BILINEAR | |
252 | ); | |
253 | ||
254 | if (vgl->scaled != NULL) | |
255 | g_object_unref(vgl->scaled); | |
256 | ||
257 | vgl->scaled = pixbuf; | |
258 | vgl->scaled_width = layer_width; | |
259 | vgl->scaled_height = layer_height; | |
260 | } | |
261 | } | |
262 | ||
263 | guint width = vik_viewport_get_width(vp), height = vik_viewport_get_height(vp); | |
264 | gint32 x, y; | |
265 | vgl->corner.zone = utm_middle.zone; | |
266 | vgl->corner.letter = utm_middle.letter; | |
267 | VikCoord corner_coord; | |
268 | vik_coord_load_from_utm ( &corner_coord, vik_viewport_get_coord_mode(vp), &(vgl->corner) ); | |
269 | vik_viewport_coord_to_screen ( vp, &corner_coord, &x, &y ); | |
270 | if ( (x < 0 || x < width) && (y < 0 || y < height) && x+layer_width > 0 && y+layer_height > 0 ) | |
271 | vik_viewport_draw_pixbuf ( vp, pixbuf, 0, 0, x, y, layer_width, layer_height ); /* todo: draw only what we need to. */ | |
272 | } | |
273 | } | |
274 | ||
275 | static void georef_layer_free ( VikGeorefLayer *vgl ) | |
276 | { | |
277 | if ( vgl->image != NULL ) | |
278 | g_free ( vgl->image ); | |
279 | if ( vgl->scaled != NULL ) | |
280 | g_object_unref ( vgl->scaled ); | |
281 | } | |
282 | ||
283 | VikGeorefLayer *georef_layer_create ( VikViewport *vp ) | |
284 | { | |
285 | return georef_layer_new (); | |
286 | } | |
287 | ||
288 | gboolean georef_layer_properties ( VikGeorefLayer *vgl, gpointer vp ) | |
289 | { | |
290 | return georef_layer_dialog ( &vgl, vp, VIK_GTK_WINDOW_FROM_WIDGET(vp) ); | |
291 | } | |
292 | ||
293 | static void georef_layer_load_image ( VikGeorefLayer *vgl ) | |
294 | { | |
295 | GError *gx = NULL; | |
296 | if ( vgl->image == NULL ) | |
297 | return; | |
298 | ||
299 | if ( vgl->pixbuf ) | |
300 | g_object_unref ( G_OBJECT(vgl->pixbuf) ); | |
301 | if ( vgl->scaled ) | |
302 | { | |
303 | g_object_unref ( G_OBJECT(vgl->scaled) ); | |
304 | vgl->scaled = NULL; | |
305 | } | |
306 | ||
307 | vgl->pixbuf = gdk_pixbuf_new_from_file ( vgl->image, &gx ); | |
308 | ||
309 | if (gx) | |
310 | { | |
311 | g_warning ( _("Couldn't open image file: %s"), gx->message ); | |
312 | g_error_free ( gx ); | |
313 | } | |
314 | else | |
315 | { | |
316 | vgl->width = gdk_pixbuf_get_width ( vgl->pixbuf ); | |
317 | vgl->height = gdk_pixbuf_get_height ( vgl->pixbuf ); | |
318 | } | |
319 | ||
320 | /* should find length and width here too */ | |
321 | } | |
322 | ||
323 | static void georef_layer_set_image ( VikGeorefLayer *vgl, const gchar *image ) | |
324 | { | |
325 | if ( vgl->image ) | |
326 | g_free ( vgl->image ); | |
327 | if ( vgl->scaled ) | |
328 | { | |
329 | g_object_unref ( vgl->scaled ); | |
330 | vgl->scaled = NULL; | |
331 | } | |
332 | if ( image == NULL ) | |
333 | vgl->image = NULL; | |
334 | vgl->image = g_strdup ( image ); | |
335 | } | |
336 | ||
337 | static gboolean world_file_read_line ( gchar *buffer, gint size, FILE *f, GtkWidget *widget, gboolean use_value ) | |
338 | { | |
339 | if (!fgets ( buffer, 1024, f )) | |
340 | { | |
341 | a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_WIDGET(widget), _("Unexpected end of file reading World file.") ); | |
342 | g_free ( buffer ); | |
343 | fclose ( f ); | |
344 | f = NULL; | |
345 | return FALSE; | |
346 | } | |
347 | if ( use_value ) | |
348 | { | |
349 | gdouble val = g_strtod ( buffer, NULL ); | |
350 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(widget), val > 0 ? val : -val ); | |
351 | } | |
352 | return TRUE; | |
353 | } | |
354 | ||
355 | static void georef_layer_dialog_load ( GtkWidget *pass_along[4] ) | |
356 | { | |
357 | GtkWidget *file_selector = gtk_file_chooser_dialog_new (_("Choose World file"), | |
358 | NULL, | |
359 | GTK_FILE_CHOOSER_ACTION_OPEN, | |
360 | GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, | |
361 | GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, | |
362 | NULL); | |
363 | ||
364 | if ( gtk_dialog_run ( GTK_DIALOG ( file_selector ) ) == GTK_RESPONSE_ACCEPT ) | |
365 | { | |
366 | FILE *f = g_fopen ( gtk_file_chooser_get_filename ( GTK_FILE_CHOOSER(file_selector) ), "r" ); | |
367 | gtk_widget_destroy ( file_selector ); | |
368 | if ( !f ) | |
369 | { | |
370 | a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_WIDGET(pass_along[0]), _("The World file you requested could not be opened for reading.") ); | |
371 | return; | |
372 | } | |
373 | else | |
374 | { | |
375 | gchar *buffer = g_malloc ( 1024 * sizeof(gchar) ); | |
376 | if ( world_file_read_line ( buffer, 1024, f, pass_along[0], TRUE ) && world_file_read_line ( buffer, 1024, f, pass_along[0], FALSE) | |
377 | && world_file_read_line ( buffer, 1024, f, pass_along[0], FALSE ) && world_file_read_line ( buffer, 1024, f, pass_along[1], TRUE) | |
378 | && world_file_read_line ( buffer, 1024, f, pass_along[2], TRUE ) && world_file_read_line ( buffer, 1024, f, pass_along[3], TRUE ) ) | |
379 | { | |
380 | g_free ( buffer ); | |
381 | fclose ( f ); | |
382 | f = NULL; | |
383 | } | |
384 | } | |
385 | } | |
386 | else | |
387 | gtk_widget_destroy ( file_selector ); | |
388 | /* do your jazz | |
389 | We need a | |
390 | file selection dialog | |
391 | file opener for reading, if NULL, send error_msg ( VIK_GTK_WINDOW_FROM_WIDGET(pass_along[0]) ) | |
392 | does that catch directories too? | |
393 | read lines -- if not enough lines, give error. | |
394 | if anything outside, give error. define range with #define CONSTANTS | |
395 | put 'em in thar widgets, and that's it. | |
396 | */ | |
397 | } | |
398 | ||
399 | static void georef_layer_export_params ( gpointer *pass_along[2] ) | |
400 | { | |
401 | VikGeorefLayer *vgl = VIK_GEOREF_LAYER(pass_along[0]); | |
402 | GtkWidget *file_selector = gtk_file_chooser_dialog_new (_("Choose World file"), | |
403 | NULL, | |
404 | GTK_FILE_CHOOSER_ACTION_SAVE, | |
405 | GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, | |
406 | GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, | |
407 | NULL); | |
408 | if ( gtk_dialog_run ( GTK_DIALOG ( file_selector ) ) == GTK_RESPONSE_ACCEPT ) | |
409 | { | |
410 | FILE *f = g_fopen ( gtk_file_chooser_get_filename ( GTK_FILE_CHOOSER(file_selector) ), "w" ); | |
411 | ||
412 | gtk_widget_destroy ( file_selector ); | |
413 | if ( !f ) | |
414 | { | |
415 | a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_WIDGET(pass_along[0]), _("The file you requested could not be opened for writing.") ); | |
416 | return; | |
417 | } | |
418 | else | |
419 | { | |
420 | 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 ); | |
421 | fclose ( f ); | |
422 | f = NULL; | |
423 | } | |
424 | } | |
425 | else | |
426 | gtk_widget_destroy ( file_selector ); | |
427 | } | |
428 | ||
429 | /* returns TRUE if OK was pressed. */ | |
430 | static gboolean georef_layer_dialog ( VikGeorefLayer **vgl, gpointer vp, GtkWindow *w ) | |
431 | { | |
432 | GtkWidget *dialog = gtk_dialog_new_with_buttons (_("Layer Properties"), | |
433 | w, | |
434 | GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT, | |
435 | GTK_STOCK_CANCEL, | |
436 | GTK_RESPONSE_REJECT, | |
437 | GTK_STOCK_OK, | |
438 | GTK_RESPONSE_ACCEPT, | |
439 | NULL ); | |
440 | GtkWidget *table, *wfp_hbox, *wfp_label, *wfp_button, *ce_label, *ce_spin, *cn_label, *cn_spin, *xlabel, *xspin, *ylabel, *yspin, *imagelabel, *imageentry; | |
441 | ||
442 | GtkWidget *pass_along[4]; | |
443 | ||
444 | table = gtk_table_new ( 6, 2, FALSE ); | |
445 | gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), table, TRUE, TRUE, 0 ); | |
446 | ||
447 | wfp_hbox = gtk_hbox_new ( FALSE, 0 ); | |
448 | wfp_label = gtk_label_new ( _("World File Parameters:") ); | |
449 | wfp_button = gtk_button_new_with_label ( _("Load From File...") ); | |
450 | ||
451 | gtk_box_pack_start ( GTK_BOX(wfp_hbox), wfp_label, TRUE, TRUE, 0 ); | |
452 | gtk_box_pack_start ( GTK_BOX(wfp_hbox), wfp_button, FALSE, FALSE, 3 ); | |
453 | ||
454 | ce_label = gtk_label_new ( _("Corner pixel easting:") ); | |
455 | ce_spin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, 0.0, 1500000.0, 1, 5, 0 ), 1, 4 ); | |
456 | gtk_widget_set_tooltip_text ( GTK_WIDGET(ce_spin), _("the UTM \"easting\" value of the upper-right corner pixel of the map") ); | |
457 | ||
458 | cn_label = gtk_label_new ( _("Corner pixel northing:") ); | |
459 | cn_spin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, 0.0, 9000000.0, 1, 5, 0 ), 1, 4 ); | |
460 | gtk_widget_set_tooltip_text ( GTK_WIDGET(cn_spin), _("the UTM \"northing\" value of the upper-right corner pixel of the map") ); | |
461 | ||
462 | xlabel = gtk_label_new ( _("X (easting) scale (mpp): ")); | |
463 | ylabel = gtk_label_new ( _("Y (northing) scale (mpp): ")); | |
464 | ||
465 | xspin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, VIK_VIEWPORT_MIN_ZOOM, VIK_VIEWPORT_MAX_ZOOM, 1, 5, 0 ), 1, 8 ); | |
466 | gtk_widget_set_tooltip_text ( GTK_WIDGET(xspin), _("the scale of the map in the X direction (meters per pixel)") ); | |
467 | yspin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, VIK_VIEWPORT_MIN_ZOOM, VIK_VIEWPORT_MAX_ZOOM, 1, 5, 0 ), 1, 8 ); | |
468 | gtk_widget_set_tooltip_text ( GTK_WIDGET(yspin), _("the scale of the map in the Y direction (meters per pixel)") ); | |
469 | ||
470 | imagelabel = gtk_label_new ( _("Map Image:") ); | |
471 | imageentry = vik_file_entry_new (GTK_FILE_CHOOSER_ACTION_OPEN); | |
472 | ||
473 | if (*vgl) | |
474 | { | |
475 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(ce_spin), (*vgl)->corner.easting ); | |
476 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(cn_spin), (*vgl)->corner.northing ); | |
477 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(xspin), (*vgl)->mpp_easting ); | |
478 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(yspin), (*vgl)->mpp_northing ); | |
479 | if ( (*vgl)->image ) | |
480 | vik_file_entry_set_filename ( VIK_FILE_ENTRY(imageentry), (*vgl)->image ); | |
481 | } | |
482 | else | |
483 | { | |
484 | VikCoord corner_coord; | |
485 | struct UTM utm; | |
486 | vik_viewport_screen_to_coord ( VIK_VIEWPORT(vp), 0, 0, &corner_coord ); | |
487 | vik_coord_to_utm ( &corner_coord, &utm ); | |
488 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(ce_spin), utm.easting ); | |
489 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(cn_spin), utm.northing ); | |
490 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(xspin), vik_viewport_get_xmpp ( VIK_VIEWPORT(vp) ) ); | |
491 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(yspin), vik_viewport_get_ympp ( VIK_VIEWPORT(vp) ) ); | |
492 | } | |
493 | ||
494 | gtk_table_attach_defaults ( GTK_TABLE(table), imagelabel, 0, 1, 0, 1 ); | |
495 | gtk_table_attach_defaults ( GTK_TABLE(table), imageentry, 1, 2, 0, 1 ); | |
496 | gtk_table_attach_defaults ( GTK_TABLE(table), wfp_hbox, 0, 2, 1, 2 ); | |
497 | gtk_table_attach_defaults ( GTK_TABLE(table), xlabel, 0, 1, 2, 3 ); | |
498 | gtk_table_attach_defaults ( GTK_TABLE(table), xspin, 1, 2, 2, 3 ); | |
499 | gtk_table_attach_defaults ( GTK_TABLE(table), ylabel, 0, 1, 3, 4 ); | |
500 | gtk_table_attach_defaults ( GTK_TABLE(table), yspin, 1, 2, 3, 4 ); | |
501 | gtk_table_attach_defaults ( GTK_TABLE(table), ce_label, 0, 1, 4, 5 ); | |
502 | gtk_table_attach_defaults ( GTK_TABLE(table), ce_spin, 1, 2, 4, 5 ); | |
503 | gtk_table_attach_defaults ( GTK_TABLE(table), cn_label, 0, 1, 5, 6 ); | |
504 | gtk_table_attach_defaults ( GTK_TABLE(table), cn_spin, 1, 2, 5, 6 ); | |
505 | ||
506 | pass_along[0] = xspin; | |
507 | pass_along[1] = yspin; | |
508 | pass_along[2] = ce_spin; | |
509 | pass_along[3] = cn_spin; | |
510 | g_signal_connect_swapped ( G_OBJECT(wfp_button), "clicked", G_CALLBACK(georef_layer_dialog_load), pass_along ); | |
511 | ||
512 | gtk_widget_show_all ( table ); | |
513 | ||
514 | if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) == GTK_RESPONSE_ACCEPT ) | |
515 | { | |
516 | if (! *vgl) | |
517 | { | |
518 | *vgl = georef_layer_new (); | |
519 | vik_layer_rename ( VIK_LAYER(*vgl), vik_georef_layer_interface.name ); | |
520 | } | |
521 | (*vgl)->corner.easting = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(ce_spin) ); | |
522 | (*vgl)->corner.northing = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(cn_spin) ); | |
523 | (*vgl)->mpp_easting = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(xspin) ); | |
524 | (*vgl)->mpp_northing = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(yspin) ); | |
525 | if ( (!(*vgl)->image) || strcmp( (*vgl)->image, vik_file_entry_get_filename(VIK_FILE_ENTRY(imageentry)) ) != 0 ) | |
526 | { | |
527 | georef_layer_set_image ( *vgl, vik_file_entry_get_filename(VIK_FILE_ENTRY(imageentry)) ); | |
528 | georef_layer_load_image ( *vgl ); | |
529 | } | |
530 | ||
531 | gtk_widget_destroy ( GTK_WIDGET(dialog) ); | |
532 | return TRUE; | |
533 | } | |
534 | gtk_widget_destroy ( GTK_WIDGET(dialog) ); | |
535 | return FALSE; | |
536 | } | |
537 | ||
538 | static void georef_layer_zoom_to_fit ( gpointer vgl_vlp[2] ) | |
539 | { | |
540 | vik_viewport_set_xmpp ( vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(vgl_vlp[1])), VIK_GEOREF_LAYER(vgl_vlp[0])->mpp_easting ); | |
541 | vik_viewport_set_ympp ( vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(vgl_vlp[1])), VIK_GEOREF_LAYER(vgl_vlp[0])->mpp_northing ); | |
542 | vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vgl_vlp[1]) ); | |
543 | } | |
544 | ||
545 | static void georef_layer_goto_center ( gpointer vgl_vlp[2] ) | |
546 | { | |
547 | VikGeorefLayer *vgl = VIK_GEOREF_LAYER ( vgl_vlp[0] ); | |
548 | VikViewport *vp = vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(vgl_vlp[1])); | |
549 | struct UTM utm; | |
550 | VikCoord coord; | |
551 | ||
552 | vik_coord_to_utm ( vik_viewport_get_center ( vp ), &utm ); | |
553 | ||
554 | utm.easting = vgl->corner.easting + (vgl->width * vgl->mpp_easting / 2); /* only an approximation */ | |
555 | utm.northing = vgl->corner.northing - (vgl->height * vgl->mpp_northing / 2); | |
556 | ||
557 | vik_coord_load_from_utm ( &coord, vik_viewport_get_coord_mode ( vp ), &utm ); | |
558 | vik_viewport_set_center_coord ( vp, &coord ); | |
559 | ||
560 | vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vgl_vlp[1]) ); | |
561 | } | |
562 | ||
563 | static void georef_layer_add_menu_items ( VikGeorefLayer *vgl, GtkMenu *menu, gpointer vlp ) | |
564 | { | |
565 | static gpointer pass_along[2]; | |
566 | GtkWidget *item; | |
567 | pass_along[0] = vgl; | |
568 | pass_along[1] = vlp; | |
569 | ||
570 | item = gtk_menu_item_new(); | |
571 | gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item ); | |
572 | gtk_widget_show ( item ); | |
573 | ||
574 | item = gtk_menu_item_new_with_mnemonic ( _("_Zoom to Fit Map") ); | |
575 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(georef_layer_zoom_to_fit), pass_along ); | |
576 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
577 | gtk_widget_show ( item ); | |
578 | ||
579 | item = gtk_menu_item_new_with_mnemonic ( _("_Goto Map Center") ); | |
580 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(georef_layer_goto_center), pass_along ); | |
581 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
582 | gtk_widget_show ( item ); | |
583 | ||
584 | item = gtk_menu_item_new_with_mnemonic ( _("_Export to World File") ); | |
585 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(georef_layer_export_params), pass_along ); | |
586 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
587 | gtk_widget_show ( item ); | |
588 | } | |
589 | ||
590 | ||
591 | static gpointer georef_layer_move_create ( VikWindow *vw, VikViewport *vvp) | |
592 | { | |
593 | return vvp; | |
594 | } | |
595 | ||
596 | static gboolean georef_layer_move_release ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ) | |
597 | { | |
598 | if (!vgl || vgl->vl.type != VIK_LAYER_GEOREF) | |
599 | return FALSE; | |
600 | ||
601 | if ( vgl->click_x != -1 ) | |
602 | { | |
603 | vgl->corner.easting += (event->x - vgl->click_x) * vik_viewport_get_xmpp (vvp); | |
604 | vgl->corner.northing -= (event->y - vgl->click_y) * vik_viewport_get_ympp (vvp); | |
605 | vik_layer_emit_update ( VIK_LAYER(vgl) ); | |
606 | return TRUE; | |
607 | } | |
608 | return FALSE; /* I didn't move anything on this layer! */ | |
609 | } | |
610 | ||
611 | static gpointer georef_layer_zoom_create ( VikWindow *vw, VikViewport *vvp) | |
612 | { | |
613 | return vvp; | |
614 | } | |
615 | ||
616 | static gboolean georef_layer_zoom_press ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ) | |
617 | { | |
618 | if (!vgl || vgl->vl.type != VIK_LAYER_GEOREF) | |
619 | return FALSE; | |
620 | if ( event->button == 1 ) | |
621 | { | |
622 | if ( vgl->mpp_easting < (VIK_VIEWPORT_MAX_ZOOM / 1.05) && vgl->mpp_northing < (VIK_VIEWPORT_MAX_ZOOM / 1.05) ) | |
623 | { | |
624 | vgl->mpp_easting *= 1.01; | |
625 | vgl->mpp_northing *= 1.01; | |
626 | } | |
627 | } | |
628 | else | |
629 | { | |
630 | if ( vgl->mpp_easting > (VIK_VIEWPORT_MIN_ZOOM * 1.05) && vgl->mpp_northing > (VIK_VIEWPORT_MIN_ZOOM * 1.05) ) | |
631 | { | |
632 | vgl->mpp_easting /= 1.01; | |
633 | vgl->mpp_northing /= 1.01; | |
634 | } | |
635 | } | |
636 | vik_viewport_set_xmpp ( vvp, vgl->mpp_easting ); | |
637 | vik_viewport_set_ympp ( vvp, vgl->mpp_northing ); | |
638 | vik_layer_emit_update ( VIK_LAYER(vgl) ); | |
639 | return TRUE; | |
640 | } | |
641 | ||
642 | static gboolean georef_layer_move_press ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ) | |
643 | { | |
644 | if (!vgl || vgl->vl.type != VIK_LAYER_GEOREF) | |
645 | return FALSE; | |
646 | vgl->click_x = event->x; | |
647 | vgl->click_y = event->y; | |
648 | return TRUE; | |
649 | } |