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50a14534 EB |
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 | ||
4c77d5e0 GB |
22 | #ifdef HAVE_CONFIG_H |
23 | #include "config.h" | |
24 | #endif | |
25 | ||
50a14534 | 26 | #include "viking.h" |
a0008235 | 27 | #include <glib.h> |
6af463da | 28 | #include <glib/gstdio.h> |
4c77d5e0 | 29 | #include <glib/gi18n.h> |
7960e897 | 30 | #include <string.h> |
be75ec20 MR |
31 | #include <math.h> |
32 | #include <stdlib.h> | |
50a14534 | 33 | |
bce3a7b0 | 34 | #include "icons/icons.h" |
a7023a1b | 35 | /* |
a7023a1b RN |
36 | static VikLayerParamData image_default ( void ) |
37 | { | |
38 | VikLayerParamData data; | |
39 | data.s = g_strdup (""); | |
40 | return data; | |
41 | } | |
a7023a1b | 42 | */ |
bce3a7b0 | 43 | |
50a14534 | 44 | VikLayerParam georef_layer_params[] = { |
a87f8fa1 RN |
45 | { VIK_LAYER_GEOREF, "image", VIK_LAYER_PARAM_STRING, VIK_LAYER_NOT_IN_PROPERTIES, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL }, |
46 | { VIK_LAYER_GEOREF, "corner_easting", VIK_LAYER_PARAM_DOUBLE, VIK_LAYER_NOT_IN_PROPERTIES, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL }, | |
47 | { VIK_LAYER_GEOREF, "corner_northing", VIK_LAYER_PARAM_DOUBLE, VIK_LAYER_NOT_IN_PROPERTIES, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL }, | |
48 | { VIK_LAYER_GEOREF, "mpp_easting", VIK_LAYER_PARAM_DOUBLE, VIK_LAYER_NOT_IN_PROPERTIES, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL }, | |
49 | { VIK_LAYER_GEOREF, "mpp_northing", VIK_LAYER_PARAM_DOUBLE, VIK_LAYER_NOT_IN_PROPERTIES, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL }, | |
50a14534 EB |
50 | }; |
51 | ||
52 | enum { PARAM_IMAGE = 0, PARAM_CE, PARAM_CN, PARAM_ME, PARAM_MN, NUM_PARAMS }; | |
53 | ||
e6b64c5d | 54 | static const gchar* georef_layer_tooltip ( VikGeorefLayer *vgl ); |
0a6cab71 AF |
55 | static void georef_layer_marshall( VikGeorefLayer *vgl, guint8 **data, gint *len ); |
56 | static VikGeorefLayer *georef_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp ); | |
158b3642 RN |
57 | static gboolean georef_layer_set_param ( VikGeorefLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation ); |
58 | static VikLayerParamData georef_layer_get_param ( VikGeorefLayer *vgl, guint16 id, gboolean is_file_operation ); | |
a7023a1b | 59 | static VikGeorefLayer *georef_layer_new ( VikViewport *vvp ); |
a6b90ba4 | 60 | static VikGeorefLayer *georef_layer_create ( VikViewport *vp ); |
50a14534 | 61 | static void georef_layer_free ( VikGeorefLayer *vgl ); |
a6b90ba4 | 62 | static gboolean georef_layer_properties ( VikGeorefLayer *vgl, gpointer vp ); |
fd22ce3e | 63 | static void georef_layer_draw ( VikGeorefLayer *vgl, VikViewport *vp ); |
50a14534 EB |
64 | static void georef_layer_add_menu_items ( VikGeorefLayer *vgl, GtkMenu *menu, gpointer vlp ); |
65 | static void georef_layer_set_image ( VikGeorefLayer *vgl, const gchar *image ); | |
66 | static gboolean georef_layer_dialog ( VikGeorefLayer **vgl, gpointer vp, GtkWindow *w ); | |
fd22ce3e | 67 | static void georef_layer_load_image ( VikGeorefLayer *vgl, VikViewport *vp, gboolean from_file ); |
941aa6e9 AF |
68 | |
69 | /* tools */ | |
70 | static gpointer georef_layer_move_create ( VikWindow *vw, VikViewport *vvp); | |
50a14534 EB |
71 | static gboolean georef_layer_move_release ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ); |
72 | static gboolean georef_layer_move_press ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ); | |
941aa6e9 | 73 | static gpointer georef_layer_zoom_create ( VikWindow *vw, VikViewport *vvp); |
50a14534 EB |
74 | static gboolean georef_layer_zoom_press ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ); |
75 | ||
79dce0cb | 76 | // See comment in viktrwlayer.c for advice on values used |
50a14534 | 77 | static VikToolInterface georef_tools[] = { |
79dce0cb RN |
78 | { { "GeorefMoveMap", "vik-icon-Georef Move Map", N_("_Georef Move Map"), NULL, N_("Georef Move Map"), 0 }, |
79 | (VikToolConstructorFunc) georef_layer_move_create, NULL, NULL, NULL, | |
bce3a7b0 | 80 | (VikToolMouseFunc) georef_layer_move_press, NULL, (VikToolMouseFunc) georef_layer_move_release, |
ef5e8132 RN |
81 | (VikToolKeyFunc) NULL, |
82 | FALSE, | |
83 | GDK_CURSOR_IS_PIXMAP, &cursor_geomove_pixbuf }, | |
941aa6e9 | 84 | |
79dce0cb RN |
85 | { { "GeorefZoomTool", "vik-icon-Georef Zoom Tool", N_("Georef Z_oom Tool"), NULL, N_("Georef Zoom Tool"), 0 }, |
86 | (VikToolConstructorFunc) georef_layer_zoom_create, NULL, NULL, NULL, | |
bce3a7b0 | 87 | (VikToolMouseFunc) georef_layer_zoom_press, NULL, NULL, |
ef5e8132 RN |
88 | (VikToolKeyFunc) NULL, |
89 | FALSE, | |
90 | GDK_CURSOR_IS_PIXMAP, &cursor_geozoom_pixbuf }, | |
50a14534 EB |
91 | }; |
92 | ||
93 | VikLayerInterface vik_georef_layer_interface = { | |
db386630 | 94 | "GeoRef Map", |
affcc0f2 | 95 | N_("GeoRef Map"), |
75078768 | 96 | NULL, |
5bfafde9 | 97 | &vikgeoreflayer_pixbuf, /*icon */ |
50a14534 EB |
98 | |
99 | georef_tools, | |
100 | sizeof(georef_tools) / sizeof(VikToolInterface), | |
101 | ||
102 | georef_layer_params, | |
103 | NUM_PARAMS, | |
104 | NULL, | |
105 | 0, | |
106 | ||
5a4a28bf QT |
107 | VIK_MENU_ITEM_ALL, |
108 | ||
50a14534 EB |
109 | (VikLayerFuncCreate) georef_layer_create, |
110 | (VikLayerFuncRealize) NULL, | |
111 | (VikLayerFuncPostRead) georef_layer_load_image, | |
112 | (VikLayerFuncFree) georef_layer_free, | |
113 | ||
114 | (VikLayerFuncProperties) georef_layer_properties, | |
115 | (VikLayerFuncDraw) georef_layer_draw, | |
116 | (VikLayerFuncChangeCoordMode) NULL, | |
117 | ||
20c7a3a0 QT |
118 | (VikLayerFuncSetMenuItemsSelection) NULL, |
119 | (VikLayerFuncGetMenuItemsSelection) NULL, | |
120 | ||
50a14534 EB |
121 | (VikLayerFuncAddMenuItems) georef_layer_add_menu_items, |
122 | (VikLayerFuncSublayerAddMenuItems) NULL, | |
123 | ||
124 | (VikLayerFuncSublayerRenameRequest) NULL, | |
125 | (VikLayerFuncSublayerToggleVisible) NULL, | |
9da7faf2 | 126 | (VikLayerFuncSublayerTooltip) NULL, |
e6b64c5d | 127 | (VikLayerFuncLayerTooltip) georef_layer_tooltip, |
a5dcfdb7 | 128 | (VikLayerFuncLayerSelected) NULL, |
50a14534 | 129 | |
0a6cab71 AF |
130 | (VikLayerFuncMarshall) georef_layer_marshall, |
131 | (VikLayerFuncUnmarshall) georef_layer_unmarshall, | |
50a14534 EB |
132 | |
133 | (VikLayerFuncSetParam) georef_layer_set_param, | |
134 | (VikLayerFuncGetParam) georef_layer_get_param, | |
135 | ||
136 | (VikLayerFuncReadFileData) NULL, | |
137 | (VikLayerFuncWriteFileData) NULL, | |
138 | ||
33534cd8 | 139 | (VikLayerFuncDeleteItem) NULL, |
d5874ef9 | 140 | (VikLayerFuncCutItem) NULL, |
50a14534 EB |
141 | (VikLayerFuncCopyItem) NULL, |
142 | (VikLayerFuncPasteItem) NULL, | |
143 | (VikLayerFuncFreeCopiedItem) NULL, | |
70a23263 | 144 | (VikLayerFuncDragDropRequest) NULL, |
77ad64fa RN |
145 | |
146 | (VikLayerFuncSelectClick) NULL, | |
08f14055 RN |
147 | (VikLayerFuncSelectMove) NULL, |
148 | (VikLayerFuncSelectRelease) NULL, | |
e46f259a | 149 | (VikLayerFuncSelectedViewportMenu) NULL, |
50a14534 EB |
150 | }; |
151 | ||
152 | struct _VikGeorefLayer { | |
153 | VikLayer vl; | |
154 | gchar *image; | |
155 | GdkPixbuf *pixbuf; | |
156 | struct UTM corner; | |
157 | gdouble mpp_easting, mpp_northing; | |
158 | guint width, height; | |
159 | ||
f3505ea3 MR |
160 | GdkPixbuf *scaled; |
161 | guint32 scaled_width, scaled_height; | |
162 | ||
50a14534 EB |
163 | gint click_x, click_y; |
164 | }; | |
165 | ||
166 | ||
167 | ||
168 | GType vik_georef_layer_get_type () | |
169 | { | |
170 | static GType vgl_type = 0; | |
171 | ||
172 | if (!vgl_type) | |
173 | { | |
174 | static const GTypeInfo vgl_info = | |
175 | { | |
176 | sizeof (VikGeorefLayerClass), | |
177 | NULL, /* base_init */ | |
178 | NULL, /* base_finalize */ | |
179 | NULL, /* class init */ | |
180 | NULL, /* class_finalize */ | |
181 | NULL, /* class_data */ | |
182 | sizeof (VikGeorefLayer), | |
183 | 0, | |
184 | NULL /* instance init */ | |
185 | }; | |
186 | vgl_type = g_type_register_static ( VIK_LAYER_TYPE, "VikGeorefLayer", &vgl_info, 0 ); | |
187 | } | |
188 | ||
189 | return vgl_type; | |
190 | } | |
191 | ||
e6b64c5d RN |
192 | static const gchar* georef_layer_tooltip ( VikGeorefLayer *vgl ) |
193 | { | |
194 | return vgl->image; | |
195 | } | |
196 | ||
0a6cab71 AF |
197 | static void georef_layer_marshall( VikGeorefLayer *vgl, guint8 **data, gint *len ) |
198 | { | |
199 | vik_layer_marshall_params ( VIK_LAYER(vgl), data, len ); | |
200 | } | |
201 | ||
202 | static VikGeorefLayer *georef_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp ) | |
203 | { | |
a7023a1b | 204 | VikGeorefLayer *rv = georef_layer_new ( vvp ); |
0a6cab71 AF |
205 | vik_layer_unmarshall_params ( VIK_LAYER(rv), data, len, vvp ); |
206 | if (rv->image) { | |
fd22ce3e | 207 | georef_layer_load_image ( rv, vvp, TRUE ); |
0a6cab71 AF |
208 | } |
209 | return rv; | |
210 | } | |
211 | ||
158b3642 | 212 | static gboolean georef_layer_set_param ( VikGeorefLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation ) |
50a14534 EB |
213 | { |
214 | switch ( id ) | |
215 | { | |
216 | case PARAM_IMAGE: georef_layer_set_image ( vgl, data.s ); break; | |
217 | case PARAM_CN: vgl->corner.northing = data.d; break; | |
218 | case PARAM_CE: vgl->corner.easting = data.d; break; | |
219 | case PARAM_MN: vgl->mpp_northing = data.d; break; | |
220 | case PARAM_ME: vgl->mpp_easting = data.d; break; | |
221 | } | |
222 | return TRUE; | |
223 | } | |
224 | ||
158b3642 | 225 | static VikLayerParamData georef_layer_get_param ( VikGeorefLayer *vgl, guint16 id, gboolean is_file_operation ) |
50a14534 EB |
226 | { |
227 | VikLayerParamData rv; | |
228 | switch ( id ) | |
229 | { | |
88542aa9 RN |
230 | case PARAM_IMAGE: { |
231 | gboolean set = FALSE; | |
232 | if ( is_file_operation ) { | |
233 | if ( a_vik_get_file_ref_format() == VIK_FILE_REF_FORMAT_RELATIVE ) { | |
234 | gchar *cwd = g_get_current_dir(); | |
235 | if ( cwd ) { | |
236 | rv.s = file_GetRelativeFilename ( cwd, vgl->image ); | |
237 | if ( !rv.s ) rv.s = ""; | |
238 | set = TRUE; | |
239 | } | |
240 | } | |
241 | } | |
242 | if ( !set ) | |
243 | rv.s = vgl->image ? vgl->image : ""; | |
244 | break; | |
245 | } | |
50a14534 EB |
246 | case PARAM_CN: rv.d = vgl->corner.northing; break; |
247 | case PARAM_CE: rv.d = vgl->corner.easting; break; | |
248 | case PARAM_MN: rv.d = vgl->mpp_northing; break; | |
249 | case PARAM_ME: rv.d = vgl->mpp_easting; break; | |
250 | } | |
251 | return rv; | |
252 | } | |
253 | ||
a7023a1b | 254 | static VikGeorefLayer *georef_layer_new ( VikViewport *vvp ) |
50a14534 EB |
255 | { |
256 | VikGeorefLayer *vgl = VIK_GEOREF_LAYER ( g_object_new ( VIK_GEOREF_LAYER_TYPE, NULL ) ); | |
a0c65899 | 257 | vik_layer_set_type ( VIK_LAYER(vgl), VIK_LAYER_GEOREF ); |
50a14534 | 258 | |
a7023a1b RN |
259 | // Since GeoRef layer doesn't use uibuilder |
260 | // initializing this way won't do anything yet.. | |
261 | vik_layer_set_defaults ( VIK_LAYER(vgl), vvp ); | |
262 | ||
26342bd8 RN |
263 | // Make these defaults based on the current view |
264 | vgl->mpp_northing = vik_viewport_get_ympp ( vvp ); | |
265 | vgl->mpp_easting = vik_viewport_get_xmpp ( vvp ); | |
266 | vik_coord_to_utm ( vik_viewport_get_center ( vvp ), &(vgl->corner) ); | |
267 | ||
50a14534 EB |
268 | vgl->image = NULL; |
269 | vgl->pixbuf = NULL; | |
270 | vgl->click_x = -1; | |
271 | vgl->click_y = -1; | |
f3505ea3 MR |
272 | vgl->scaled = NULL; |
273 | vgl->scaled_width = 0; | |
274 | vgl->scaled_height = 0; | |
50a14534 EB |
275 | return vgl; |
276 | } | |
277 | ||
fd22ce3e | 278 | static void georef_layer_draw ( VikGeorefLayer *vgl, VikViewport *vp ) |
50a14534 | 279 | { |
fd22ce3e RN |
280 | if ( vik_viewport_get_drawmode(vp) != VIK_VIEWPORT_DRAWMODE_UTM ) |
281 | return; | |
282 | ||
50a14534 EB |
283 | if ( vgl->pixbuf ) |
284 | { | |
50a14534 EB |
285 | struct UTM utm_middle; |
286 | gdouble xmpp = vik_viewport_get_xmpp(vp), ympp = vik_viewport_get_ympp(vp); | |
be75ec20 MR |
287 | GdkPixbuf *pixbuf = vgl->pixbuf; |
288 | guint layer_width = vgl->width; | |
289 | guint layer_height = vgl->height; | |
290 | ||
50a14534 EB |
291 | vik_coord_to_utm ( vik_viewport_get_center ( vp ), &utm_middle ); |
292 | ||
be75ec20 MR |
293 | guint width = vik_viewport_get_width(vp), height = vik_viewport_get_height(vp); |
294 | gint32 x, y; | |
295 | vgl->corner.zone = utm_middle.zone; | |
296 | vgl->corner.letter = utm_middle.letter; | |
297 | VikCoord corner_coord; | |
298 | vik_coord_load_from_utm ( &corner_coord, vik_viewport_get_coord_mode(vp), &(vgl->corner) ); | |
299 | vik_viewport_coord_to_screen ( vp, &corner_coord, &x, &y ); | |
1b4b9e3b RN |
300 | |
301 | /* mark to scale the pixbuf if it doesn't match our dimensions */ | |
302 | gboolean scale = FALSE; | |
303 | if ( xmpp != vgl->mpp_easting || ympp != vgl->mpp_northing ) | |
304 | { | |
305 | scale = TRUE; | |
306 | layer_width = round(vgl->width * vgl->mpp_easting / xmpp); | |
307 | layer_height = round(vgl->height * vgl->mpp_northing / ympp); | |
308 | } | |
309 | ||
310 | // If image not in viewport bounds - no need to draw it (or bother with any scaling) | |
311 | if ( (x < 0 || x < width) && (y < 0 || y < height) && x+layer_width > 0 && y+layer_height > 0 ) { | |
312 | ||
313 | if ( scale ) | |
314 | { | |
315 | /* rescale if necessary */ | |
316 | if (layer_width == vgl->scaled_width && layer_height == vgl->scaled_height && vgl->scaled != NULL) | |
317 | pixbuf = vgl->scaled; | |
318 | else | |
319 | { | |
320 | pixbuf = gdk_pixbuf_scale_simple( | |
321 | vgl->pixbuf, | |
322 | layer_width, | |
323 | layer_height, | |
324 | GDK_INTERP_BILINEAR | |
325 | ); | |
326 | ||
327 | if (vgl->scaled != NULL) | |
328 | g_object_unref(vgl->scaled); | |
329 | ||
330 | vgl->scaled = pixbuf; | |
331 | vgl->scaled_width = layer_width; | |
332 | vgl->scaled_height = layer_height; | |
333 | } | |
334 | } | |
be75ec20 | 335 | vik_viewport_draw_pixbuf ( vp, pixbuf, 0, 0, x, y, layer_width, layer_height ); /* todo: draw only what we need to. */ |
1b4b9e3b | 336 | } |
50a14534 EB |
337 | } |
338 | } | |
339 | ||
340 | static void georef_layer_free ( VikGeorefLayer *vgl ) | |
341 | { | |
342 | if ( vgl->image != NULL ) | |
343 | g_free ( vgl->image ); | |
f3505ea3 MR |
344 | if ( vgl->scaled != NULL ) |
345 | g_object_unref ( vgl->scaled ); | |
50a14534 EB |
346 | } |
347 | ||
a6b90ba4 | 348 | static VikGeorefLayer *georef_layer_create ( VikViewport *vp ) |
50a14534 | 349 | { |
a7023a1b | 350 | return georef_layer_new ( vp ); |
50a14534 EB |
351 | } |
352 | ||
a6b90ba4 | 353 | static gboolean georef_layer_properties ( VikGeorefLayer *vgl, gpointer vp ) |
50a14534 EB |
354 | { |
355 | return georef_layer_dialog ( &vgl, vp, VIK_GTK_WINDOW_FROM_WIDGET(vp) ); | |
356 | } | |
357 | ||
fd22ce3e | 358 | static void georef_layer_load_image ( VikGeorefLayer *vgl, VikViewport *vp, gboolean from_file ) |
50a14534 EB |
359 | { |
360 | GError *gx = NULL; | |
361 | if ( vgl->image == NULL ) | |
362 | return; | |
363 | ||
364 | if ( vgl->pixbuf ) | |
365 | g_object_unref ( G_OBJECT(vgl->pixbuf) ); | |
f3505ea3 MR |
366 | if ( vgl->scaled ) |
367 | { | |
368 | g_object_unref ( G_OBJECT(vgl->scaled) ); | |
369 | vgl->scaled = NULL; | |
370 | } | |
50a14534 EB |
371 | |
372 | vgl->pixbuf = gdk_pixbuf_new_from_file ( vgl->image, &gx ); | |
373 | ||
374 | if (gx) | |
375 | { | |
28424566 RN |
376 | if ( !from_file ) |
377 | a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(vp), _("Couldn't open image file: %s"), gx->message ); | |
50a14534 EB |
378 | g_error_free ( gx ); |
379 | } | |
380 | else | |
381 | { | |
382 | vgl->width = gdk_pixbuf_get_width ( vgl->pixbuf ); | |
383 | vgl->height = gdk_pixbuf_get_height ( vgl->pixbuf ); | |
384 | } | |
385 | ||
fd22ce3e RN |
386 | if ( !from_file ) |
387 | { | |
388 | if ( vik_viewport_get_drawmode(vp) != VIK_VIEWPORT_DRAWMODE_UTM ) | |
389 | { | |
390 | a_dialog_warning_msg ( VIK_GTK_WINDOW_FROM_WIDGET(vp), | |
391 | _("GeoRef map cannot be displayed in the current drawmode.\nSelect \"UTM Mode\" from View menu to view it.") ); | |
392 | } | |
393 | } | |
50a14534 EB |
394 | /* should find length and width here too */ |
395 | } | |
396 | ||
397 | static void georef_layer_set_image ( VikGeorefLayer *vgl, const gchar *image ) | |
398 | { | |
399 | if ( vgl->image ) | |
400 | g_free ( vgl->image ); | |
f3505ea3 MR |
401 | if ( vgl->scaled ) |
402 | { | |
403 | g_object_unref ( vgl->scaled ); | |
404 | vgl->scaled = NULL; | |
405 | } | |
50a14534 EB |
406 | if ( image == NULL ) |
407 | vgl->image = NULL; | |
408 | vgl->image = g_strdup ( image ); | |
409 | } | |
410 | ||
411 | static gboolean world_file_read_line ( gchar *buffer, gint size, FILE *f, GtkWidget *widget, gboolean use_value ) | |
412 | { | |
413 | if (!fgets ( buffer, 1024, f )) | |
414 | { | |
4c77d5e0 | 415 | a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_WIDGET(widget), _("Unexpected end of file reading World file.") ); |
50a14534 EB |
416 | g_free ( buffer ); |
417 | fclose ( f ); | |
8c060406 | 418 | f = NULL; |
50a14534 EB |
419 | return FALSE; |
420 | } | |
421 | if ( use_value ) | |
422 | { | |
a0008235 | 423 | gdouble val = g_strtod ( buffer, NULL ); |
50a14534 EB |
424 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(widget), val > 0 ? val : -val ); |
425 | } | |
426 | return TRUE; | |
427 | } | |
428 | ||
429 | static void georef_layer_dialog_load ( GtkWidget *pass_along[4] ) | |
430 | { | |
6e4a49aa MA |
431 | GtkWidget *file_selector = gtk_file_chooser_dialog_new (_("Choose World file"), |
432 | NULL, | |
433 | GTK_FILE_CHOOSER_ACTION_OPEN, | |
434 | GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, | |
435 | GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, | |
436 | NULL); | |
437 | ||
438 | if ( gtk_dialog_run ( GTK_DIALOG ( file_selector ) ) == GTK_RESPONSE_ACCEPT ) | |
50a14534 | 439 | { |
8c060406 | 440 | FILE *f = g_fopen ( gtk_file_chooser_get_filename ( GTK_FILE_CHOOSER(file_selector) ), "r" ); |
50a14534 EB |
441 | gtk_widget_destroy ( file_selector ); |
442 | if ( !f ) | |
443 | { | |
4c77d5e0 | 444 | a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_WIDGET(pass_along[0]), _("The World file you requested could not be opened for reading.") ); |
50a14534 EB |
445 | return; |
446 | } | |
447 | else | |
448 | { | |
449 | gchar *buffer = g_malloc ( 1024 * sizeof(gchar) ); | |
0b647b0b MA |
450 | if ( world_file_read_line ( buffer, 1024, f, pass_along[0], TRUE ) && world_file_read_line ( buffer, 1024, f, pass_along[0], FALSE) |
451 | && world_file_read_line ( buffer, 1024, f, pass_along[0], FALSE ) && world_file_read_line ( buffer, 1024, f, pass_along[1], TRUE) | |
50a14534 EB |
452 | && world_file_read_line ( buffer, 1024, f, pass_along[2], TRUE ) && world_file_read_line ( buffer, 1024, f, pass_along[3], TRUE ) ) |
453 | { | |
454 | g_free ( buffer ); | |
455 | fclose ( f ); | |
8c060406 | 456 | f = NULL; |
50a14534 EB |
457 | } |
458 | } | |
459 | } | |
460 | else | |
461 | gtk_widget_destroy ( file_selector ); | |
462 | /* do your jazz | |
463 | We need a | |
464 | file selection dialog | |
465 | file opener for reading, if NULL, send error_msg ( VIK_GTK_WINDOW_FROM_WIDGET(pass_along[0]) ) | |
466 | does that catch directories too? | |
467 | read lines -- if not enough lines, give error. | |
468 | if anything outside, give error. define range with #define CONSTANTS | |
469 | put 'em in thar widgets, and that's it. | |
470 | */ | |
471 | } | |
472 | ||
473 | static void georef_layer_export_params ( gpointer *pass_along[2] ) | |
474 | { | |
475 | VikGeorefLayer *vgl = VIK_GEOREF_LAYER(pass_along[0]); | |
6e4a49aa MA |
476 | GtkWidget *file_selector = gtk_file_chooser_dialog_new (_("Choose World file"), |
477 | NULL, | |
478 | GTK_FILE_CHOOSER_ACTION_SAVE, | |
479 | GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, | |
480 | GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, | |
481 | NULL); | |
482 | if ( gtk_dialog_run ( GTK_DIALOG ( file_selector ) ) == GTK_RESPONSE_ACCEPT ) | |
50a14534 | 483 | { |
8c060406 | 484 | FILE *f = g_fopen ( gtk_file_chooser_get_filename ( GTK_FILE_CHOOSER(file_selector) ), "w" ); |
6e4a49aa | 485 | |
50a14534 EB |
486 | gtk_widget_destroy ( file_selector ); |
487 | if ( !f ) | |
488 | { | |
4c77d5e0 | 489 | a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_WIDGET(pass_along[0]), _("The file you requested could not be opened for writing.") ); |
50a14534 EB |
490 | return; |
491 | } | |
492 | else | |
493 | { | |
494 | 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 ); | |
495 | fclose ( f ); | |
8c060406 | 496 | f = NULL; |
50a14534 EB |
497 | } |
498 | } | |
499 | else | |
500 | gtk_widget_destroy ( file_selector ); | |
501 | } | |
502 | ||
503 | /* returns TRUE if OK was pressed. */ | |
504 | static gboolean georef_layer_dialog ( VikGeorefLayer **vgl, gpointer vp, GtkWindow *w ) | |
505 | { | |
4c77d5e0 | 506 | GtkWidget *dialog = gtk_dialog_new_with_buttons (_("Layer Properties"), |
50a14534 EB |
507 | w, |
508 | GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT, | |
509 | GTK_STOCK_CANCEL, | |
510 | GTK_RESPONSE_REJECT, | |
511 | GTK_STOCK_OK, | |
512 | GTK_RESPONSE_ACCEPT, | |
10888930 | 513 | NULL ); |
535747e9 RN |
514 | /* Default to reject as user really needs to specify map file first */ |
515 | gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_REJECT ); | |
516 | GtkWidget *response_w = NULL; | |
517 | #if GTK_CHECK_VERSION (2, 20, 0) | |
518 | response_w = gtk_dialog_get_widget_for_response ( GTK_DIALOG(dialog), GTK_RESPONSE_REJECT ); | |
519 | #endif | |
50a14534 EB |
520 | GtkWidget *table, *wfp_hbox, *wfp_label, *wfp_button, *ce_label, *ce_spin, *cn_label, *cn_spin, *xlabel, *xspin, *ylabel, *yspin, *imagelabel, *imageentry; |
521 | ||
522 | GtkWidget *pass_along[4]; | |
523 | ||
524 | table = gtk_table_new ( 6, 2, FALSE ); | |
9b082b39 | 525 | gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), table, TRUE, TRUE, 0 ); |
50a14534 EB |
526 | |
527 | wfp_hbox = gtk_hbox_new ( FALSE, 0 ); | |
4c77d5e0 GB |
528 | wfp_label = gtk_label_new ( _("World File Parameters:") ); |
529 | wfp_button = gtk_button_new_with_label ( _("Load From File...") ); | |
50a14534 EB |
530 | |
531 | gtk_box_pack_start ( GTK_BOX(wfp_hbox), wfp_label, TRUE, TRUE, 0 ); | |
532 | gtk_box_pack_start ( GTK_BOX(wfp_hbox), wfp_button, FALSE, FALSE, 3 ); | |
533 | ||
4c77d5e0 | 534 | ce_label = gtk_label_new ( _("Corner pixel easting:") ); |
ac33062d | 535 | ce_spin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, 0.0, 1500000.0, 1, 5, 0 ), 1, 4 ); |
09b2a3c9 | 536 | gtk_widget_set_tooltip_text ( GTK_WIDGET(ce_spin), _("the UTM \"easting\" value of the upper-left corner pixel of the map") ); |
50a14534 | 537 | |
4c77d5e0 | 538 | cn_label = gtk_label_new ( _("Corner pixel northing:") ); |
ac33062d | 539 | cn_spin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, 0.0, 9000000.0, 1, 5, 0 ), 1, 4 ); |
09b2a3c9 | 540 | gtk_widget_set_tooltip_text ( GTK_WIDGET(cn_spin), _("the UTM \"northing\" value of the upper-left corner pixel of the map") ); |
50a14534 | 541 | |
4c77d5e0 GB |
542 | xlabel = gtk_label_new ( _("X (easting) scale (mpp): ")); |
543 | ylabel = gtk_label_new ( _("Y (northing) scale (mpp): ")); | |
50a14534 | 544 | |
ac33062d | 545 | xspin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, VIK_VIEWPORT_MIN_ZOOM, VIK_VIEWPORT_MAX_ZOOM, 1, 5, 0 ), 1, 8 ); |
79a9a44f | 546 | gtk_widget_set_tooltip_text ( GTK_WIDGET(xspin), _("the scale of the map in the X direction (meters per pixel)") ); |
ac33062d | 547 | yspin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, VIK_VIEWPORT_MIN_ZOOM, VIK_VIEWPORT_MAX_ZOOM, 1, 5, 0 ), 1, 8 ); |
79a9a44f | 548 | gtk_widget_set_tooltip_text ( GTK_WIDGET(yspin), _("the scale of the map in the Y direction (meters per pixel)") ); |
50a14534 | 549 | |
4c77d5e0 | 550 | imagelabel = gtk_label_new ( _("Map Image:") ); |
79672b85 | 551 | imageentry = vik_file_entry_new (GTK_FILE_CHOOSER_ACTION_OPEN); |
50a14534 EB |
552 | |
553 | if (*vgl) | |
554 | { | |
555 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(ce_spin), (*vgl)->corner.easting ); | |
556 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(cn_spin), (*vgl)->corner.northing ); | |
557 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(xspin), (*vgl)->mpp_easting ); | |
558 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(yspin), (*vgl)->mpp_northing ); | |
559 | if ( (*vgl)->image ) | |
560 | vik_file_entry_set_filename ( VIK_FILE_ENTRY(imageentry), (*vgl)->image ); | |
561 | } | |
562 | else | |
563 | { | |
564 | VikCoord corner_coord; | |
565 | struct UTM utm; | |
566 | vik_viewport_screen_to_coord ( VIK_VIEWPORT(vp), 0, 0, &corner_coord ); | |
567 | vik_coord_to_utm ( &corner_coord, &utm ); | |
568 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(ce_spin), utm.easting ); | |
569 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(cn_spin), utm.northing ); | |
570 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(xspin), vik_viewport_get_xmpp ( VIK_VIEWPORT(vp) ) ); | |
571 | gtk_spin_button_set_value ( GTK_SPIN_BUTTON(yspin), vik_viewport_get_ympp ( VIK_VIEWPORT(vp) ) ); | |
572 | } | |
573 | ||
574 | gtk_table_attach_defaults ( GTK_TABLE(table), imagelabel, 0, 1, 0, 1 ); | |
575 | gtk_table_attach_defaults ( GTK_TABLE(table), imageentry, 1, 2, 0, 1 ); | |
576 | gtk_table_attach_defaults ( GTK_TABLE(table), wfp_hbox, 0, 2, 1, 2 ); | |
577 | gtk_table_attach_defaults ( GTK_TABLE(table), xlabel, 0, 1, 2, 3 ); | |
578 | gtk_table_attach_defaults ( GTK_TABLE(table), xspin, 1, 2, 2, 3 ); | |
579 | gtk_table_attach_defaults ( GTK_TABLE(table), ylabel, 0, 1, 3, 4 ); | |
580 | gtk_table_attach_defaults ( GTK_TABLE(table), yspin, 1, 2, 3, 4 ); | |
581 | gtk_table_attach_defaults ( GTK_TABLE(table), ce_label, 0, 1, 4, 5 ); | |
582 | gtk_table_attach_defaults ( GTK_TABLE(table), ce_spin, 1, 2, 4, 5 ); | |
583 | gtk_table_attach_defaults ( GTK_TABLE(table), cn_label, 0, 1, 5, 6 ); | |
584 | gtk_table_attach_defaults ( GTK_TABLE(table), cn_spin, 1, 2, 5, 6 ); | |
585 | ||
586 | pass_along[0] = xspin; | |
587 | pass_along[1] = yspin; | |
588 | pass_along[2] = ce_spin; | |
589 | pass_along[3] = cn_spin; | |
590 | g_signal_connect_swapped ( G_OBJECT(wfp_button), "clicked", G_CALLBACK(georef_layer_dialog_load), pass_along ); | |
591 | ||
535747e9 RN |
592 | if ( response_w ) |
593 | gtk_widget_grab_focus ( response_w ); | |
594 | ||
50a14534 EB |
595 | gtk_widget_show_all ( table ); |
596 | ||
597 | if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) == GTK_RESPONSE_ACCEPT ) | |
598 | { | |
599 | if (! *vgl) | |
600 | { | |
a7023a1b | 601 | *vgl = georef_layer_new ( VIK_VIEWPORT(vp) ); |
50a14534 EB |
602 | vik_layer_rename ( VIK_LAYER(*vgl), vik_georef_layer_interface.name ); |
603 | } | |
604 | (*vgl)->corner.easting = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(ce_spin) ); | |
605 | (*vgl)->corner.northing = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(cn_spin) ); | |
606 | (*vgl)->mpp_easting = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(xspin) ); | |
607 | (*vgl)->mpp_northing = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(yspin) ); | |
608 | if ( (!(*vgl)->image) || strcmp( (*vgl)->image, vik_file_entry_get_filename(VIK_FILE_ENTRY(imageentry)) ) != 0 ) | |
609 | { | |
610 | georef_layer_set_image ( *vgl, vik_file_entry_get_filename(VIK_FILE_ENTRY(imageentry)) ); | |
fd22ce3e | 611 | georef_layer_load_image ( *vgl, VIK_VIEWPORT(vp), FALSE ); |
50a14534 EB |
612 | } |
613 | ||
614 | gtk_widget_destroy ( GTK_WIDGET(dialog) ); | |
615 | return TRUE; | |
616 | } | |
617 | gtk_widget_destroy ( GTK_WIDGET(dialog) ); | |
618 | return FALSE; | |
619 | } | |
620 | ||
621 | static void georef_layer_zoom_to_fit ( gpointer vgl_vlp[2] ) | |
622 | { | |
623 | vik_viewport_set_xmpp ( vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(vgl_vlp[1])), VIK_GEOREF_LAYER(vgl_vlp[0])->mpp_easting ); | |
624 | vik_viewport_set_ympp ( vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(vgl_vlp[1])), VIK_GEOREF_LAYER(vgl_vlp[0])->mpp_northing ); | |
625 | vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vgl_vlp[1]) ); | |
626 | } | |
627 | ||
628 | static void georef_layer_goto_center ( gpointer vgl_vlp[2] ) | |
629 | { | |
630 | VikGeorefLayer *vgl = VIK_GEOREF_LAYER ( vgl_vlp[0] ); | |
631 | VikViewport *vp = vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(vgl_vlp[1])); | |
632 | struct UTM utm; | |
633 | VikCoord coord; | |
634 | ||
635 | vik_coord_to_utm ( vik_viewport_get_center ( vp ), &utm ); | |
636 | ||
637 | utm.easting = vgl->corner.easting + (vgl->width * vgl->mpp_easting / 2); /* only an approximation */ | |
638 | utm.northing = vgl->corner.northing - (vgl->height * vgl->mpp_northing / 2); | |
639 | ||
640 | vik_coord_load_from_utm ( &coord, vik_viewport_get_coord_mode ( vp ), &utm ); | |
641 | vik_viewport_set_center_coord ( vp, &coord ); | |
642 | ||
643 | vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vgl_vlp[1]) ); | |
644 | } | |
645 | ||
646 | static void georef_layer_add_menu_items ( VikGeorefLayer *vgl, GtkMenu *menu, gpointer vlp ) | |
647 | { | |
648 | static gpointer pass_along[2]; | |
649 | GtkWidget *item; | |
650 | pass_along[0] = vgl; | |
651 | pass_along[1] = vlp; | |
652 | ||
653 | item = gtk_menu_item_new(); | |
654 | gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item ); | |
655 | gtk_widget_show ( item ); | |
656 | ||
d6de71f9 RN |
657 | /* Now with icons */ |
658 | item = gtk_image_menu_item_new_with_mnemonic ( _("_Zoom to Fit Map") ); | |
659 | gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_ZOOM_FIT, GTK_ICON_SIZE_MENU) ); | |
50a14534 EB |
660 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(georef_layer_zoom_to_fit), pass_along ); |
661 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
662 | gtk_widget_show ( item ); | |
663 | ||
d6de71f9 RN |
664 | item = gtk_image_menu_item_new_with_mnemonic ( _("_Goto Map Center") ); |
665 | gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_JUMP_TO, GTK_ICON_SIZE_MENU) ); | |
50a14534 EB |
666 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(georef_layer_goto_center), pass_along ); |
667 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
668 | gtk_widget_show ( item ); | |
669 | ||
d6de71f9 RN |
670 | item = gtk_image_menu_item_new_with_mnemonic ( _("_Export to World File") ); |
671 | gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_HARDDISK, GTK_ICON_SIZE_MENU) ); | |
50a14534 EB |
672 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(georef_layer_export_params), pass_along ); |
673 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
674 | gtk_widget_show ( item ); | |
675 | } | |
676 | ||
941aa6e9 AF |
677 | |
678 | static gpointer georef_layer_move_create ( VikWindow *vw, VikViewport *vvp) | |
679 | { | |
680 | return vvp; | |
681 | } | |
682 | ||
50a14534 EB |
683 | static gboolean georef_layer_move_release ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ) |
684 | { | |
941aa6e9 AF |
685 | if (!vgl || vgl->vl.type != VIK_LAYER_GEOREF) |
686 | return FALSE; | |
687 | ||
50a14534 EB |
688 | if ( vgl->click_x != -1 ) |
689 | { | |
690 | vgl->corner.easting += (event->x - vgl->click_x) * vik_viewport_get_xmpp (vvp); | |
691 | vgl->corner.northing -= (event->y - vgl->click_y) * vik_viewport_get_ympp (vvp); | |
da121f9b | 692 | vik_layer_emit_update ( VIK_LAYER(vgl) ); |
50a14534 EB |
693 | return TRUE; |
694 | } | |
695 | return FALSE; /* I didn't move anything on this layer! */ | |
696 | } | |
697 | ||
941aa6e9 AF |
698 | static gpointer georef_layer_zoom_create ( VikWindow *vw, VikViewport *vvp) |
699 | { | |
700 | return vvp; | |
701 | } | |
702 | ||
50a14534 EB |
703 | static gboolean georef_layer_zoom_press ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ) |
704 | { | |
941aa6e9 AF |
705 | if (!vgl || vgl->vl.type != VIK_LAYER_GEOREF) |
706 | return FALSE; | |
50a14534 EB |
707 | if ( event->button == 1 ) |
708 | { | |
709 | if ( vgl->mpp_easting < (VIK_VIEWPORT_MAX_ZOOM / 1.05) && vgl->mpp_northing < (VIK_VIEWPORT_MAX_ZOOM / 1.05) ) | |
710 | { | |
711 | vgl->mpp_easting *= 1.01; | |
712 | vgl->mpp_northing *= 1.01; | |
713 | } | |
714 | } | |
715 | else | |
716 | { | |
717 | if ( vgl->mpp_easting > (VIK_VIEWPORT_MIN_ZOOM * 1.05) && vgl->mpp_northing > (VIK_VIEWPORT_MIN_ZOOM * 1.05) ) | |
718 | { | |
719 | vgl->mpp_easting /= 1.01; | |
720 | vgl->mpp_northing /= 1.01; | |
721 | } | |
722 | } | |
723 | vik_viewport_set_xmpp ( vvp, vgl->mpp_easting ); | |
724 | vik_viewport_set_ympp ( vvp, vgl->mpp_northing ); | |
da121f9b | 725 | vik_layer_emit_update ( VIK_LAYER(vgl) ); |
50a14534 EB |
726 | return TRUE; |
727 | } | |
728 | ||
729 | static gboolean georef_layer_move_press ( VikGeorefLayer *vgl, GdkEventButton *event, VikViewport *vvp ) | |
730 | { | |
941aa6e9 AF |
731 | if (!vgl || vgl->vl.type != VIK_LAYER_GEOREF) |
732 | return FALSE; | |
50a14534 EB |
733 | vgl->click_x = event->x; |
734 | vgl->click_y = event->y; | |
735 | return TRUE; | |
736 | } |