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5fa4fe86 RN |
1 | /* |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (c) 2015, Rob Norris <rw_norris@hotmail.com> | |
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" | |
5fa4fe86 RN |
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 | #include <ctype.h> | |
34 | ||
35 | #include "map_ids.h" | |
36 | #include "maputils.h" | |
37 | #include "mapcoord.h" | |
38 | #include "mapcache.h" | |
0a25e232 | 39 | #include "dir.h" |
5fa4fe86 RN |
40 | #include "util.h" |
41 | #include "ui_util.h" | |
42 | #include "preferences.h" | |
43 | #include "icons/icons.h" | |
44 | #include "mapnik_interface.h" | |
892a9205 | 45 | #include "background.h" |
5fa4fe86 | 46 | |
0a25e232 RN |
47 | #include "vikmapslayer.h" |
48 | ||
5fa4fe86 RN |
49 | struct _VikMapnikLayerClass |
50 | { | |
51 | VikLayerClass object_class; | |
52 | }; | |
53 | ||
54 | static VikLayerParamData file_default ( void ) | |
55 | { | |
56 | VikLayerParamData data; | |
57 | data.s = ""; | |
58 | return data; | |
59 | } | |
60 | ||
61 | static VikLayerParamData size_default ( void ) { return VIK_LPD_UINT ( 256 ); } | |
62 | static VikLayerParamData alpha_default ( void ) { return VIK_LPD_UINT ( 255 ); } | |
63 | ||
0a25e232 RN |
64 | static VikLayerParamData cache_dir_default ( void ) |
65 | { | |
66 | VikLayerParamData data; | |
67 | data.s = g_strconcat ( maps_layer_default_dir(), "MapnikRendering", NULL ); | |
68 | return data; | |
69 | } | |
70 | ||
5fa4fe86 RN |
71 | static VikLayerParamScale scales[] = { |
72 | { 0, 255, 5, 0 }, // Alpha | |
73 | { 64, 1024, 8, 0 }, // Tile size | |
0a25e232 | 74 | { 0, 1024, 12, 0 }, // Rerender timeout hours |
5fa4fe86 RN |
75 | }; |
76 | ||
77 | VikLayerParam mapnik_layer_params[] = { | |
b47af40d RN |
78 | { VIK_LAYER_MAPNIK, "config-file-mml", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("CSS (MML) Config File:"), VIK_LAYER_WIDGET_FILEENTRY, GINT_TO_POINTER(VF_FILTER_CARTO), NULL, |
79 | N_("CartoCSS configuration file"), file_default, NULL, NULL }, | |
5fa4fe86 RN |
80 | { VIK_LAYER_MAPNIK, "config-file-xml", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("XML Config File:"), VIK_LAYER_WIDGET_FILEENTRY, GINT_TO_POINTER(VF_FILTER_XML), NULL, |
81 | N_("Mapnik XML configuration file"), file_default, NULL, NULL }, | |
82 | { VIK_LAYER_MAPNIK, "alpha", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, N_("Alpha:"), VIK_LAYER_WIDGET_HSCALE, &scales[0], NULL, | |
83 | NULL, alpha_default, NULL, NULL }, | |
0a25e232 RN |
84 | { VIK_LAYER_MAPNIK, "use-file-cache", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_GROUP_NONE, N_("Use File Cache:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, |
85 | NULL, vik_lpd_true_default, NULL, NULL }, | |
86 | { VIK_LAYER_MAPNIK, "file-cache-dir", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("File Cache Directory:"), VIK_LAYER_WIDGET_FOLDERENTRY, NULL, NULL, | |
87 | NULL, cache_dir_default, NULL, NULL }, | |
5fa4fe86 RN |
88 | }; |
89 | ||
90 | enum { | |
b47af40d RN |
91 | PARAM_CONFIG_CSS = 0, |
92 | PARAM_CONFIG_XML, | |
93 | PARAM_ALPHA, | |
0a25e232 RN |
94 | PARAM_USE_FILE_CACHE, |
95 | PARAM_FILE_CACHE_DIR, | |
b47af40d | 96 | NUM_PARAMS }; |
5fa4fe86 RN |
97 | |
98 | static const gchar* mapnik_layer_tooltip ( VikMapnikLayer *vml ); | |
99 | static void mapnik_layer_marshall( VikMapnikLayer *vml, guint8 **data, gint *len ); | |
100 | static VikMapnikLayer *mapnik_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp ); | |
101 | static gboolean mapnik_layer_set_param ( VikMapnikLayer *vml, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation ); | |
102 | static VikLayerParamData mapnik_layer_get_param ( VikMapnikLayer *vml, guint16 id, gboolean is_file_operation ); | |
103 | static VikMapnikLayer *mapnik_layer_new ( VikViewport *vvp ); | |
104 | static VikMapnikLayer *mapnik_layer_create ( VikViewport *vp ); | |
105 | static void mapnik_layer_free ( VikMapnikLayer *vml ); | |
106 | static void mapnik_layer_draw ( VikMapnikLayer *vml, VikViewport *vp ); | |
107 | static void mapnik_layer_add_menu_items ( VikMapnikLayer *vml, GtkMenu *menu, gpointer vlp ); | |
108 | ||
93eac03d RN |
109 | static gpointer mapnik_feature_create ( VikWindow *vw, VikViewport *vvp) |
110 | { | |
111 | return vvp; | |
112 | } | |
113 | ||
114 | static gboolean mapnik_feature_release ( VikMapnikLayer *vml, GdkEventButton *event, VikViewport *vvp ); | |
115 | ||
5fa4fe86 RN |
116 | // See comment in viktrwlayer.c for advice on values used |
117 | // FUTURE: | |
118 | static VikToolInterface mapnik_tools[] = { | |
119 | // Layer Info | |
120 | // Zoom All? | |
93eac03d RN |
121 | { { "MapnikFeatures", GTK_STOCK_INFO, N_("_Mapnik Features"), NULL, N_("Mapnik Features"), 0 }, |
122 | (VikToolConstructorFunc) mapnik_feature_create, | |
123 | NULL, | |
124 | NULL, | |
125 | NULL, | |
126 | NULL, | |
127 | NULL, | |
128 | (VikToolMouseFunc) mapnik_feature_release, | |
129 | NULL, | |
130 | FALSE, | |
131 | GDK_LEFT_PTR, NULL, NULL }, | |
5fa4fe86 RN |
132 | }; |
133 | ||
134 | static void mapnik_layer_post_read (VikLayer *vl, VikViewport *vvp, gboolean from_file); | |
135 | ||
136 | VikLayerInterface vik_mapnik_layer_interface = { | |
137 | "Mapnik Rendering", | |
138 | N_("Mapnik Rendering"), | |
139 | NULL, | |
140 | &vikmapniklayer_pixbuf, // icon | |
141 | ||
142 | mapnik_tools, | |
143 | sizeof(mapnik_tools) / sizeof(VikToolInterface), | |
144 | ||
145 | mapnik_layer_params, | |
146 | NUM_PARAMS, | |
147 | NULL, | |
148 | 0, | |
149 | ||
150 | VIK_MENU_ITEM_ALL, | |
151 | ||
152 | (VikLayerFuncCreate) mapnik_layer_create, | |
153 | (VikLayerFuncRealize) NULL, | |
154 | (VikLayerFuncPostRead) mapnik_layer_post_read, | |
155 | (VikLayerFuncFree) mapnik_layer_free, | |
156 | ||
157 | (VikLayerFuncProperties) NULL, | |
158 | (VikLayerFuncDraw) mapnik_layer_draw, | |
159 | (VikLayerFuncChangeCoordMode) NULL, | |
160 | ||
03c97bc3 RN |
161 | (VikLayerFuncGetTimestamp) NULL, |
162 | ||
5fa4fe86 RN |
163 | (VikLayerFuncSetMenuItemsSelection) NULL, |
164 | (VikLayerFuncGetMenuItemsSelection) NULL, | |
165 | ||
166 | (VikLayerFuncAddMenuItems) mapnik_layer_add_menu_items, | |
167 | (VikLayerFuncSublayerAddMenuItems) NULL, | |
168 | ||
169 | (VikLayerFuncSublayerRenameRequest) NULL, | |
170 | (VikLayerFuncSublayerToggleVisible) NULL, | |
171 | (VikLayerFuncSublayerTooltip) NULL, | |
172 | (VikLayerFuncLayerTooltip) mapnik_layer_tooltip, | |
173 | (VikLayerFuncLayerSelected) NULL, | |
174 | ||
175 | (VikLayerFuncMarshall) mapnik_layer_marshall, | |
176 | (VikLayerFuncUnmarshall) mapnik_layer_unmarshall, | |
177 | ||
178 | (VikLayerFuncSetParam) mapnik_layer_set_param, | |
179 | (VikLayerFuncGetParam) mapnik_layer_get_param, | |
180 | (VikLayerFuncChangeParam) NULL, | |
181 | ||
182 | (VikLayerFuncReadFileData) NULL, | |
183 | (VikLayerFuncWriteFileData) NULL, | |
184 | ||
185 | (VikLayerFuncDeleteItem) NULL, | |
186 | (VikLayerFuncCutItem) NULL, | |
187 | (VikLayerFuncCopyItem) NULL, | |
188 | (VikLayerFuncPasteItem) NULL, | |
189 | (VikLayerFuncFreeCopiedItem) NULL, | |
190 | (VikLayerFuncDragDropRequest) NULL, | |
191 | ||
192 | (VikLayerFuncSelectClick) NULL, | |
193 | (VikLayerFuncSelectMove) NULL, | |
194 | (VikLayerFuncSelectRelease) NULL, | |
195 | (VikLayerFuncSelectedViewportMenu) NULL, | |
196 | }; | |
197 | ||
198 | struct _VikMapnikLayer { | |
199 | VikLayer vl; | |
b47af40d | 200 | gchar *filename_css; // CartoCSS MML File - use 'carto' to convert into xml |
5fa4fe86 RN |
201 | gchar *filename_xml; |
202 | guint8 alpha; | |
203 | ||
204 | guint tile_size_x; // Y is the same as X ATM | |
205 | gboolean loaded; | |
0658c2f1 | 206 | MapnikInterface* mi; |
0a25e232 RN |
207 | guint rerender_timeout; |
208 | ||
209 | gboolean use_file_cache; | |
210 | gchar *file_cache_dir; | |
93eac03d RN |
211 | |
212 | VikCoord rerender_ul; | |
213 | VikCoord rerender_br; | |
214 | gdouble rerender_zoom; | |
215 | GtkWidget *right_click_menu; | |
5fa4fe86 RN |
216 | }; |
217 | ||
218 | #define MAPNIK_PREFS_GROUP_KEY "mapnik" | |
219 | #define MAPNIK_PREFS_NAMESPACE "mapnik." | |
220 | ||
221 | static VikLayerParamData plugins_default ( void ) | |
222 | { | |
223 | VikLayerParamData data; | |
224 | #ifdef WINDOWS | |
225 | data.s = g_strdup ( "input" ); | |
226 | #else | |
227 | if ( g_file_test ( "/usr/lib/mapnik/input", G_FILE_TEST_EXISTS ) ) | |
228 | data.s = g_strdup ( "/usr/lib/mapnik/input" ); | |
616812b7 RN |
229 | // Current Debian locations |
230 | else if ( g_file_test ( "/usr/lib/mapnik/3.0/input", G_FILE_TEST_EXISTS ) ) | |
231 | data.s = g_strdup ( "/usr/lib/mapnik/3.0/input" ); | |
5fa4fe86 | 232 | else if ( g_file_test ( "/usr/lib/mapnik/2.2/input", G_FILE_TEST_EXISTS ) ) |
5fa4fe86 RN |
233 | data.s = g_strdup ( "/usr/lib/mapnik/2.2/input" ); |
234 | else | |
235 | data.s = g_strdup ( "" ); | |
236 | #endif | |
237 | return data; | |
238 | } | |
239 | ||
240 | static VikLayerParamData fonts_default ( void ) | |
241 | { | |
242 | // Possibly should be string list to allow loading from multiple directories | |
243 | VikLayerParamData data; | |
244 | #ifdef WINDOWS | |
245 | data.s = g_strdup ( "C:\\Windows\\Fonts" ); | |
246 | #elif defined __APPLE__ | |
247 | data.s = g_strdup ( "/Library/Fonts" ); | |
248 | #else | |
249 | data.s = g_strdup ( "/usr/share/fonts" ); | |
250 | #endif | |
251 | return data; | |
252 | } | |
253 | ||
254 | static VikLayerParam prefs[] = { | |
255 | // Changing these values only applies before first mapnik layer is 'created' | |
256 | { VIK_LAYER_NUM_TYPES, MAPNIK_PREFS_NAMESPACE"plugins_directory", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("Plugins Directory:"), VIK_LAYER_WIDGET_FOLDERENTRY, NULL, NULL, N_("You need to restart Viking for a change to this value to be used"), plugins_default, NULL, NULL }, | |
257 | { VIK_LAYER_NUM_TYPES, MAPNIK_PREFS_NAMESPACE"fonts_directory", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("Fonts Directory:"), VIK_LAYER_WIDGET_FOLDERENTRY, NULL, NULL, N_("You need to restart Viking for a change to this value to be used"), fonts_default, NULL, NULL }, | |
258 | { VIK_LAYER_NUM_TYPES, MAPNIK_PREFS_NAMESPACE"recurse_fonts_directory", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_GROUP_NONE, N_("Recurse Fonts Directory:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, N_("You need to restart Viking for a change to this value to be used"), vik_lpd_true_default, NULL, NULL }, | |
0a25e232 | 259 | { VIK_LAYER_NUM_TYPES, MAPNIK_PREFS_NAMESPACE"rerender_after", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, N_("Rerender Timeout (hours):"), VIK_LAYER_WIDGET_SPINBUTTON, &scales[2], NULL, N_("You need to restart Viking for a change to this value to be used"), NULL, NULL, NULL }, |
b47af40d RN |
260 | // Changeable any time |
261 | { VIK_LAYER_NUM_TYPES, MAPNIK_PREFS_NAMESPACE"carto", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("CartoCSS:"), VIK_LAYER_WIDGET_FILEENTRY, NULL, NULL, N_("The program to convert CartoCSS files into Mapnik XML"), NULL, NULL, NULL }, | |
5fa4fe86 RN |
262 | }; |
263 | ||
0a25e232 RN |
264 | static time_t planet_import_time; |
265 | ||
892a9205 RN |
266 | static GMutex *tp_mutex; |
267 | static GHashTable *requests = NULL; | |
5fa4fe86 | 268 | |
892a9205 RN |
269 | /** |
270 | * vik_mapnik_layer_init: | |
271 | * | |
e530cc9f | 272 | * Just initialize preferences |
892a9205 | 273 | */ |
5fa4fe86 RN |
274 | void vik_mapnik_layer_init (void) |
275 | { | |
14dd983a | 276 | a_preferences_register_group ( MAPNIK_PREFS_GROUP_KEY, _("Mapnik") ); |
5fa4fe86 RN |
277 | |
278 | guint i = 0; | |
279 | VikLayerParamData tmp = plugins_default(); | |
280 | a_preferences_register(&prefs[i++], tmp, MAPNIK_PREFS_GROUP_KEY); | |
281 | ||
282 | tmp = fonts_default(); | |
283 | a_preferences_register(&prefs[i++], tmp, MAPNIK_PREFS_GROUP_KEY); | |
284 | ||
285 | tmp.b = TRUE; | |
286 | a_preferences_register(&prefs[i++], tmp, MAPNIK_PREFS_GROUP_KEY); | |
b47af40d | 287 | |
0a25e232 | 288 | tmp.u = 168; // One week |
892a9205 RN |
289 | a_preferences_register(&prefs[i++], tmp, MAPNIK_PREFS_GROUP_KEY); |
290 | ||
b47af40d RN |
291 | tmp.s = "carto"; |
292 | a_preferences_register(&prefs[i++], tmp, MAPNIK_PREFS_GROUP_KEY); | |
e530cc9f | 293 | } |
892a9205 | 294 | |
e530cc9f RN |
295 | /** |
296 | * vik_mapnik_layer_post_init: | |
297 | * | |
298 | * Initialize data structures - now that reading preferences is OK to perform | |
299 | */ | |
300 | void vik_mapnik_layer_post_init (void) | |
301 | { | |
892a9205 RN |
302 | tp_mutex = vik_mutex_new(); |
303 | ||
304 | // Just storing keys only | |
305 | requests = g_hash_table_new_full ( g_str_hash, g_str_equal, g_free, NULL ); | |
0a25e232 RN |
306 | |
307 | guint hours = a_preferences_get (MAPNIK_PREFS_NAMESPACE"rerender_after")->u; | |
308 | GDateTime *now = g_date_time_new_now_local (); | |
309 | GDateTime *then = g_date_time_add_hours (now, -hours); | |
310 | planet_import_time = g_date_time_to_unix (then); | |
311 | g_date_time_unref ( now ); | |
312 | g_date_time_unref ( then ); | |
313 | ||
314 | GStatBuf gsb; | |
315 | // Similar to mod_tile method to mark DB has been imported/significantly changed to cause a rerendering of all tiles | |
316 | gchar *import_time_file = g_strconcat ( a_get_viking_dir(), G_DIR_SEPARATOR_S, "planet-import-complete", NULL ); | |
317 | if ( g_stat ( import_time_file, &gsb ) == 0 ) { | |
318 | // Only update if newer | |
319 | if ( planet_import_time > gsb.st_mtime ) | |
320 | planet_import_time = gsb.st_mtime; | |
321 | } | |
322 | g_free ( import_time_file ); | |
892a9205 RN |
323 | } |
324 | ||
325 | void vik_mapnik_layer_uninit () | |
326 | { | |
327 | vik_mutex_free (tp_mutex); | |
328 | } | |
329 | ||
330 | // NB Only performed once per program run | |
331 | static void mapnik_layer_class_init ( VikMapnikLayerClass *klass ) | |
332 | { | |
5b1e4483 RN |
333 | VikLayerParamData *pd = a_preferences_get (MAPNIK_PREFS_NAMESPACE"plugins_directory"); |
334 | VikLayerParamData *fd = a_preferences_get (MAPNIK_PREFS_NAMESPACE"fonts_directory"); | |
335 | VikLayerParamData *rfd = a_preferences_get (MAPNIK_PREFS_NAMESPACE"recurse_fonts_directory"); | |
336 | ||
337 | if ( pd && fd && rfd ) | |
338 | mapnik_interface_initialize ( pd->s, fd->s, rfd->b ); | |
339 | else | |
340 | g_critical ( "Unable to initialize mapnik interface from preferences" ); | |
5fa4fe86 RN |
341 | } |
342 | ||
343 | GType vik_mapnik_layer_get_type () | |
344 | { | |
345 | static GType vml_type = 0; | |
346 | ||
347 | if (!vml_type) { | |
348 | static const GTypeInfo vml_info = { | |
349 | sizeof (VikMapnikLayerClass), | |
350 | NULL, /* base_init */ | |
351 | NULL, /* base_finalize */ | |
352 | (GClassInitFunc) mapnik_layer_class_init, /* class init */ | |
353 | NULL, /* class_finalize */ | |
354 | NULL, /* class_data */ | |
355 | sizeof (VikMapnikLayer), | |
356 | 0, | |
357 | NULL /* instance init */ | |
358 | }; | |
359 | vml_type = g_type_register_static ( VIK_LAYER_TYPE, "VikMapnikLayer", &vml_info, 0 ); | |
360 | } | |
361 | ||
362 | return vml_type; | |
363 | } | |
364 | ||
365 | static const gchar* mapnik_layer_tooltip ( VikMapnikLayer *vml ) | |
366 | { | |
367 | return vml->filename_xml; | |
368 | } | |
369 | ||
370 | static void mapnik_layer_set_file_xml ( VikMapnikLayer *vml, const gchar *name ) | |
371 | { | |
372 | if ( vml->filename_xml ) | |
373 | g_free (vml->filename_xml); | |
e8bab170 RN |
374 | // Mapnik doesn't seem to cope with relative filenames |
375 | if ( g_strcmp0 (name, "" ) ) | |
376 | vml->filename_xml = vu_get_canonical_filename ( VIK_LAYER(vml), name); | |
377 | else | |
378 | vml->filename_xml = g_strdup (name); | |
5fa4fe86 RN |
379 | } |
380 | ||
b47af40d RN |
381 | static void mapnik_layer_set_file_css ( VikMapnikLayer *vml, const gchar *name ) |
382 | { | |
383 | if ( vml->filename_css ) | |
384 | g_free (vml->filename_css); | |
385 | vml->filename_css = g_strdup (name); | |
386 | } | |
387 | ||
0a25e232 RN |
388 | static void mapnik_layer_set_cache_dir ( VikMapnikLayer *vml, const gchar *name ) |
389 | { | |
390 | if ( vml->file_cache_dir ) | |
391 | g_free (vml->file_cache_dir); | |
392 | vml->file_cache_dir = g_strdup (name); | |
393 | } | |
394 | ||
5fa4fe86 RN |
395 | static void mapnik_layer_marshall( VikMapnikLayer *vml, guint8 **data, gint *len ) |
396 | { | |
397 | vik_layer_marshall_params ( VIK_LAYER(vml), data, len ); | |
398 | } | |
399 | ||
400 | static VikMapnikLayer *mapnik_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp ) | |
401 | { | |
402 | VikMapnikLayer *rv = mapnik_layer_new ( vvp ); | |
403 | vik_layer_unmarshall_params ( VIK_LAYER(rv), data, len, vvp ); | |
404 | return rv; | |
405 | } | |
406 | ||
407 | static gboolean mapnik_layer_set_param ( VikMapnikLayer *vml, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation ) | |
408 | { | |
409 | switch ( id ) { | |
b47af40d | 410 | case PARAM_CONFIG_CSS: mapnik_layer_set_file_css (vml, data.s); break; |
5fa4fe86 RN |
411 | case PARAM_CONFIG_XML: mapnik_layer_set_file_xml (vml, data.s); break; |
412 | case PARAM_ALPHA: if ( data.u <= 255 ) vml->alpha = data.u; break; | |
0a25e232 RN |
413 | case PARAM_USE_FILE_CACHE: vml->use_file_cache = data.b; break; |
414 | case PARAM_FILE_CACHE_DIR: mapnik_layer_set_cache_dir (vml, data.s); break; | |
5fa4fe86 RN |
415 | default: break; |
416 | } | |
417 | return TRUE; | |
418 | } | |
419 | ||
420 | static VikLayerParamData mapnik_layer_get_param ( VikMapnikLayer *vml, guint16 id, gboolean is_file_operation ) | |
421 | { | |
422 | VikLayerParamData data; | |
423 | switch ( id ) { | |
b47af40d RN |
424 | case PARAM_CONFIG_CSS: { |
425 | data.s = vml->filename_css; | |
426 | gboolean set = FALSE; | |
427 | if ( is_file_operation ) { | |
428 | if ( a_vik_get_file_ref_format() == VIK_FILE_REF_FORMAT_RELATIVE ) { | |
429 | gchar *cwd = g_get_current_dir(); | |
430 | if ( cwd ) { | |
431 | data.s = file_GetRelativeFilename ( cwd, vml->filename_css ); | |
432 | if ( !data.s ) data.s = ""; | |
433 | set = TRUE; | |
434 | } | |
435 | } | |
436 | } | |
437 | if ( !set ) | |
438 | data.s = vml->filename_css ? vml->filename_css : ""; | |
439 | break; | |
440 | } | |
5fa4fe86 RN |
441 | case PARAM_CONFIG_XML: { |
442 | data.s = vml->filename_xml; | |
443 | gboolean set = FALSE; | |
444 | if ( is_file_operation ) { | |
445 | if ( a_vik_get_file_ref_format() == VIK_FILE_REF_FORMAT_RELATIVE ) { | |
446 | gchar *cwd = g_get_current_dir(); | |
447 | if ( cwd ) { | |
448 | data.s = file_GetRelativeFilename ( cwd, vml->filename_xml ); | |
449 | if ( !data.s ) data.s = ""; | |
450 | set = TRUE; | |
451 | } | |
452 | } | |
453 | } | |
454 | if ( !set ) | |
455 | data.s = vml->filename_xml ? vml->filename_xml : ""; | |
456 | break; | |
457 | } | |
458 | case PARAM_ALPHA: data.u = vml->alpha; break; | |
0a25e232 RN |
459 | case PARAM_USE_FILE_CACHE: data.b = vml->use_file_cache; break; |
460 | case PARAM_FILE_CACHE_DIR: data.s = vml->file_cache_dir; break; | |
5fa4fe86 RN |
461 | default: break; |
462 | } | |
463 | return data; | |
464 | } | |
465 | ||
466 | /** | |
467 | * | |
468 | */ | |
469 | static VikMapnikLayer *mapnik_layer_new ( VikViewport *vvp ) | |
470 | { | |
471 | VikMapnikLayer *vml = VIK_MAPNIK_LAYER ( g_object_new ( VIK_MAPNIK_LAYER_TYPE, NULL ) ); | |
472 | vik_layer_set_type ( VIK_LAYER(vml), VIK_LAYER_MAPNIK ); | |
473 | vik_layer_set_defaults ( VIK_LAYER(vml), vvp ); | |
474 | vml->tile_size_x = size_default().u; // FUTURE: Is there any use in this being configurable? | |
475 | vml->loaded = FALSE; | |
0658c2f1 | 476 | vml->mi = mapnik_interface_new(); |
5fa4fe86 RN |
477 | return vml; |
478 | } | |
479 | ||
b47af40d RN |
480 | /** |
481 | * Run carto command | |
482 | * ATM don't have any version issues AFAIK | |
483 | * Tested with carto 0.14.0 | |
484 | */ | |
485 | gboolean carto_load ( VikMapnikLayer *vml, VikViewport *vvp ) | |
486 | { | |
487 | gchar *mystdout = NULL; | |
488 | gchar *mystderr = NULL; | |
489 | GError *error = NULL; | |
490 | ||
491 | VikLayerParamData *vlpd = a_preferences_get(MAPNIK_PREFS_NAMESPACE"carto"); | |
492 | gchar *command = g_strdup_printf ( "%s %s", vlpd->s, vml->filename_css ); | |
493 | ||
494 | gboolean answer = TRUE; | |
495 | //gchar *args[2]; args[0] = vlpd->s; args[1] = vml->filename_css; | |
496 | //GPid pid; | |
497 | //if ( g_spawn_async_with_pipes ( NULL, args, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, &pid, NULL, &carto_stdout, &carto_error, &error ) ) { | |
498 | // cf code in babel.c to handle stdout | |
499 | ||
500 | // NB Running carto may take several seconds | |
501 | // especially for large style sheets like the default OSM Mapnik style (~6 seconds on my system) | |
502 | VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_WIDGET(vvp)); | |
503 | if ( vw ) { | |
504 | gchar *msg = g_strdup_printf ( "%s: %s", _("Running"), command ); | |
505 | vik_window_statusbar_update ( vw, msg, VIK_STATUSBAR_INFO ); | |
506 | vik_window_set_busy_cursor ( vw ); | |
ecf05926 | 507 | g_free ( msg ); |
b47af40d RN |
508 | } |
509 | ||
510 | gint64 tt1 = 0; | |
511 | gint64 tt2 = 0; | |
512 | // You won't get a sensible timing measurement if running too old a GLIB | |
513 | #if GLIB_CHECK_VERSION (2, 28, 0) | |
514 | tt1 = g_get_real_time (); | |
515 | #endif | |
516 | ||
517 | if ( g_spawn_command_line_sync ( command, &mystdout, &mystderr, NULL, &error ) ) { | |
518 | #if GLIB_CHECK_VERSION (2, 28, 0) | |
519 | tt2 = g_get_real_time (); | |
520 | #endif | |
521 | if ( mystderr ) | |
522 | if ( strlen(mystderr) > 1 ) { | |
523 | a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(vvp), _("Error running carto command:\n%s"), mystderr ); | |
524 | answer = FALSE; | |
525 | } | |
526 | if ( mystdout ) { | |
527 | // NB This will overwrite the specified XML file | |
528 | if ( ! ( vml->filename_xml && strlen (vml->filename_xml) > 1 ) ) { | |
529 | // XML Not specified so try to create based on CSS file name | |
530 | GRegex *regex = g_regex_new ( "\\.mml$|\\.mss|\\.css$", G_REGEX_CASELESS, 0, &error ); | |
531 | if ( error ) | |
532 | g_critical ("%s: %s", __FUNCTION__, error->message ); | |
533 | if ( vml->filename_xml ) | |
534 | g_free (vml->filename_xml); | |
535 | vml->filename_xml = g_regex_replace_literal ( regex, vml->filename_css, -1, 0, ".xml", 0, &error ); | |
536 | if ( error ) | |
537 | g_warning ("%s: %s", __FUNCTION__, error->message ); | |
538 | // Prevent overwriting self | |
539 | if ( !g_strcmp0 ( vml->filename_xml, vml->filename_css ) ) { | |
540 | vml->filename_xml = g_strconcat ( vml->filename_css, ".xml", NULL ); | |
541 | } | |
fbe73a7a | 542 | g_regex_unref ( regex ); |
b47af40d RN |
543 | } |
544 | if ( !g_file_set_contents (vml->filename_xml, mystdout, -1, &error) ) { | |
545 | g_warning ("%s: %s", __FUNCTION__, error->message ); | |
546 | g_error_free (error); | |
547 | } | |
548 | } | |
549 | g_free ( mystdout ); | |
550 | g_free ( mystderr ); | |
551 | } | |
552 | else { | |
553 | g_warning ("%s: %s", __FUNCTION__, error->message ); | |
554 | g_error_free (error); | |
555 | } | |
556 | g_free ( command ); | |
557 | ||
558 | if ( vw ) { | |
559 | gchar *msg = g_strdup_printf ( "%s %s %.1f %s", vlpd->s, _(" completed in "), (gdouble)(tt2-tt1)/G_USEC_PER_SEC, _("seconds") ); | |
560 | vik_window_statusbar_update ( vw, msg, VIK_STATUSBAR_INFO ); | |
561 | g_free ( msg ); | |
562 | vik_window_clear_busy_cursor ( vw ); | |
563 | } | |
564 | return answer; | |
565 | } | |
566 | ||
5fa4fe86 RN |
567 | /** |
568 | * | |
569 | */ | |
570 | static void mapnik_layer_post_read (VikLayer *vl, VikViewport *vvp, gboolean from_file) | |
571 | { | |
572 | VikMapnikLayer *vml = VIK_MAPNIK_LAYER(vl); | |
573 | ||
b47af40d RN |
574 | // Determine if carto needs to be run |
575 | gboolean do_carto = FALSE; | |
576 | if ( vml->filename_css && strlen(vml->filename_css) > 1 ) { | |
577 | if ( vml->filename_xml && strlen(vml->filename_xml) > 1) { | |
578 | // Compare timestamps | |
579 | GStatBuf gsb1; | |
580 | if ( g_stat ( vml->filename_xml, &gsb1 ) == 0 ) { | |
581 | GStatBuf gsb2; | |
582 | if ( g_stat ( vml->filename_css, &gsb2 ) == 0 ) { | |
583 | // Is CSS file newer than the XML file | |
584 | if ( gsb2.st_mtime > gsb1.st_mtime ) | |
585 | do_carto = TRUE; | |
586 | else | |
587 | g_debug ( "No need to run carto" ); | |
588 | } | |
589 | } | |
590 | else { | |
591 | // XML file doesn't exist | |
592 | do_carto = TRUE; | |
593 | } | |
594 | } | |
595 | else { | |
596 | // No XML specified thus need to generate | |
597 | do_carto = TRUE; | |
598 | } | |
599 | } | |
600 | ||
601 | if ( do_carto ) | |
602 | // Don't load the XML config if carto load fails | |
603 | if ( !carto_load ( vml, vvp ) ) | |
604 | return; | |
76bb97a4 RN |
605 | |
606 | gchar* ans = mapnik_interface_load_map_file ( vml->mi, vml->filename_xml, vml->tile_size_x, vml->tile_size_x ); | |
607 | if ( ans ) { | |
608 | a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(vvp), | |
609 | _("Mapnik error loading configuration file:\n%s"), | |
610 | ans ); | |
611 | g_free ( ans ); | |
5fa4fe86 RN |
612 | } |
613 | else { | |
614 | vml->loaded = TRUE; | |
615 | if ( !from_file ) | |
616 | ui_add_recent_file ( vml->filename_xml ); | |
617 | } | |
618 | } | |
619 | ||
0a25e232 RN |
620 | #define MAPNIK_LAYER_FILE_CACHE_LAYOUT "%s"G_DIR_SEPARATOR_S"%d"G_DIR_SEPARATOR_S"%d"G_DIR_SEPARATOR_S"%d.png" |
621 | ||
622 | // Free returned string after use | |
623 | static gchar *get_filename ( gchar *dir, guint x, guint y, guint z) | |
624 | { | |
625 | return g_strdup_printf ( MAPNIK_LAYER_FILE_CACHE_LAYOUT, dir, (17-z), x, y ); | |
626 | } | |
627 | ||
628 | static void possibly_save_pixbuf ( VikMapnikLayer *vml, GdkPixbuf *pixbuf, MapCoord *ulm ) | |
629 | { | |
630 | if ( vml->use_file_cache ) { | |
631 | if ( vml->file_cache_dir ) { | |
632 | GError *error = NULL; | |
633 | gchar *filename = get_filename ( vml->file_cache_dir, ulm->x, ulm->y, ulm->scale ); | |
634 | ||
635 | gchar *dir = g_path_get_dirname ( filename ); | |
636 | if ( !g_file_test ( filename, G_FILE_TEST_EXISTS ) ) | |
3959d3ab | 637 | if ( g_mkdir_with_parents ( dir , 0777 ) != 0 ) |
5e4cce8f | 638 | g_warning ("%s: Failed to mkdir %s", __FUNCTION__, dir ); |
0a25e232 RN |
639 | g_free ( dir ); |
640 | ||
641 | if ( !gdk_pixbuf_save (pixbuf, filename, "png", &error, NULL ) ) { | |
642 | g_warning ("%s: %s", __FUNCTION__, error->message ); | |
643 | g_error_free (error); | |
644 | } | |
645 | g_free (filename); | |
646 | } | |
647 | } | |
648 | } | |
649 | ||
892a9205 RN |
650 | typedef struct |
651 | { | |
652 | VikMapnikLayer *vml; | |
653 | VikCoord *ul; | |
654 | VikCoord *br; | |
655 | MapCoord *ulmc; | |
656 | const gchar* request; | |
657 | } RenderInfo; | |
658 | ||
659 | /** | |
660 | * render: | |
661 | * | |
662 | * Common render function which can run in separate thread | |
663 | */ | |
664 | static void render ( VikMapnikLayer *vml, VikCoord *ul, VikCoord *br, MapCoord *ulm ) | |
665 | { | |
666 | gint64 tt1 = g_get_real_time (); | |
667 | GdkPixbuf *pixbuf = mapnik_interface_render ( vml->mi, ul->north_south, ul->east_west, br->north_south, br->east_west ); | |
668 | gint64 tt2 = g_get_real_time (); | |
19c3c24c RN |
669 | gdouble tt = (gdouble)(tt2-tt1)/1000000; |
670 | g_debug ( "Mapnik rendering completed in %.3f seconds", tt ); | |
892a9205 RN |
671 | if ( !pixbuf ) { |
672 | // A pixbuf to stick into cache incase of an unrenderable area - otherwise will get continually re-requested | |
673 | pixbuf = gdk_pixbuf_scale_simple ( gdk_pixbuf_from_pixdata(&vikmapniklayer_pixbuf, FALSE, NULL), vml->tile_size_x, vml->tile_size_x, GDK_INTERP_BILINEAR ); | |
674 | } | |
0a25e232 | 675 | possibly_save_pixbuf ( vml, pixbuf, ulm ); |
892a9205 RN |
676 | |
677 | // NB Mapnik can apply alpha, but use our own function for now | |
678 | if ( vml->alpha < 255 ) | |
53991e79 | 679 | pixbuf = ui_pixbuf_scale_alpha ( pixbuf, vml->alpha ); |
19c3c24c | 680 | a_mapcache_add ( pixbuf, (mapcache_extra_t){ tt }, ulm->x, ulm->y, ulm->z, MAP_ID_MAPNIK_RENDER, ulm->scale, vml->alpha, 0.0, 0.0, vml->filename_xml ); |
38597a6d | 681 | g_object_unref(pixbuf); |
892a9205 RN |
682 | } |
683 | ||
684 | static void render_info_free ( RenderInfo *data ) | |
685 | { | |
686 | g_free ( data->ul ); | |
687 | g_free ( data->br ); | |
688 | g_free ( data->ulmc ); | |
689 | // NB No need to free the request/key - as this is freed by the hash table destructor | |
690 | g_free ( data ); | |
691 | } | |
692 | ||
693 | static void background ( RenderInfo *data, gpointer threaddata ) | |
694 | { | |
695 | int res = a_background_thread_progress ( threaddata, 0 ); | |
696 | if (res == 0) { | |
697 | render ( data->vml, data->ul, data->br, data->ulmc ); | |
698 | } | |
699 | ||
700 | g_mutex_lock(tp_mutex); | |
701 | g_hash_table_remove (requests, data->request); | |
702 | g_mutex_unlock(tp_mutex); | |
703 | ||
704 | if (res == 0) | |
705 | vik_layer_emit_update ( VIK_LAYER(data->vml) ); // NB update display from background | |
706 | } | |
707 | ||
708 | static void render_cancel_cleanup (RenderInfo *data) | |
709 | { | |
710 | // Anything? | |
711 | } | |
712 | ||
713 | #define REQUEST_HASHKEY_FORMAT "%d-%d-%d-%d-%d" | |
714 | ||
715 | /** | |
716 | * Thread | |
717 | */ | |
f93a5a0a | 718 | static void thread_add (VikMapnikLayer *vml, MapCoord *mul, VikCoord *ul, VikCoord *br, gint x, gint y, gint z, gint zoom, const gchar* name ) |
892a9205 RN |
719 | { |
720 | // Create request | |
721 | guint nn = name ? g_str_hash ( name ) : 0; | |
722 | gchar *request = g_strdup_printf ( REQUEST_HASHKEY_FORMAT, x, y, z, zoom, nn ); | |
723 | ||
724 | g_mutex_lock(tp_mutex); | |
725 | ||
726 | if ( g_hash_table_lookup_extended (requests, request, NULL, NULL ) ) { | |
727 | g_free ( request ); | |
728 | g_mutex_unlock (tp_mutex); | |
729 | return; | |
730 | } | |
731 | ||
732 | RenderInfo *ri = g_malloc ( sizeof(RenderInfo) ); | |
733 | ri->vml = vml; | |
734 | ri->ul = g_malloc ( sizeof(VikCoord) ); | |
735 | ri->br = g_malloc ( sizeof(VikCoord) ); | |
736 | ri->ulmc = g_malloc ( sizeof(MapCoord) ); | |
737 | memcpy(ri->ul, ul, sizeof(VikCoord)); | |
738 | memcpy(ri->br, br, sizeof(VikCoord)); | |
739 | memcpy(ri->ulmc, mul, sizeof(MapCoord)); | |
740 | ri->request = request; | |
741 | ||
742 | g_hash_table_insert ( requests, request, NULL ); | |
743 | ||
744 | g_mutex_unlock (tp_mutex); | |
745 | ||
746 | gchar *basename = g_path_get_basename (name); | |
747 | gchar *description = g_strdup_printf ( _("Mapnik Render %d:%d:%d %s"), zoom, x, y, basename ); | |
748 | g_free ( basename ); | |
a8374fcb | 749 | a_background_thread ( BACKGROUND_POOL_LOCAL_MAPNIK, |
892a9205 RN |
750 | VIK_GTK_WINDOW_FROM_LAYER(vml), |
751 | description, | |
752 | (vik_thr_func) background, | |
753 | ri, | |
754 | (vik_thr_free_func) render_info_free, | |
755 | (vik_thr_free_func) render_cancel_cleanup, | |
756 | 1 ); | |
757 | g_free ( description ); | |
758 | } | |
759 | ||
0a25e232 RN |
760 | /** |
761 | * load_pixbuf: | |
38597a6d SB |
762 | * |
763 | * If function returns GdkPixbuf properly, reference counter to this | |
764 | * buffer has to be decreased, when buffer is no longer needed. | |
0a25e232 RN |
765 | */ |
766 | static GdkPixbuf *load_pixbuf ( VikMapnikLayer *vml, MapCoord *ulm, MapCoord *brm, gboolean *rerender ) | |
767 | { | |
768 | *rerender = FALSE; | |
769 | GdkPixbuf *pixbuf = NULL; | |
770 | gchar *filename = get_filename ( vml->file_cache_dir, ulm->x, ulm->y, ulm->scale ); | |
771 | ||
772 | GStatBuf gsb; | |
773 | if ( g_stat ( filename, &gsb ) == 0 ) { | |
774 | // Get from disk | |
775 | GError *error = NULL; | |
776 | pixbuf = gdk_pixbuf_new_from_file ( filename, &error ); | |
777 | if ( error ) { | |
778 | g_warning ("%s: %s", __FUNCTION__, error->message ); | |
779 | g_error_free ( error ); | |
780 | } | |
781 | else { | |
782 | if ( vml->alpha < 255 ) | |
783 | pixbuf = ui_pixbuf_set_alpha ( pixbuf, vml->alpha ); | |
19c3c24c | 784 | a_mapcache_add ( pixbuf, (mapcache_extra_t) { -42.0 }, ulm->x, ulm->y, ulm->z, MAP_ID_MAPNIK_RENDER, ulm->scale, vml->alpha, 0.0, 0.0, vml->filename_xml ); |
0a25e232 RN |
785 | } |
786 | // If file is too old mark for rerendering | |
787 | if ( planet_import_time < gsb.st_mtime ) { | |
788 | *rerender = TRUE; | |
789 | } | |
790 | } | |
791 | g_free ( filename ); | |
792 | ||
793 | return pixbuf; | |
794 | } | |
795 | ||
5fa4fe86 | 796 | /** |
38597a6d SB |
797 | * Caller has to decrease reference counter of returned |
798 | * GdkPixbuf, when buffer is no longer needed. | |
5fa4fe86 RN |
799 | */ |
800 | static GdkPixbuf *get_pixbuf ( VikMapnikLayer *vml, MapCoord *ulm, MapCoord *brm ) | |
801 | { | |
802 | VikCoord ul; VikCoord br; | |
892a9205 | 803 | GdkPixbuf *pixbuf = NULL; |
5fa4fe86 RN |
804 | |
805 | map_utils_iTMS_to_vikcoord (ulm, &ul); | |
806 | map_utils_iTMS_to_vikcoord (brm, &br); | |
807 | ||
808 | pixbuf = a_mapcache_get ( ulm->x, ulm->y, ulm->z, MAP_ID_MAPNIK_RENDER, ulm->scale, vml->alpha, 0.0, 0.0, vml->filename_xml ); | |
809 | ||
810 | if ( ! pixbuf ) { | |
0a25e232 RN |
811 | gboolean rerender = FALSE; |
812 | if ( vml->use_file_cache && vml->file_cache_dir ) | |
813 | pixbuf = load_pixbuf ( vml, ulm, brm, &rerender ); | |
814 | if ( ! pixbuf || rerender ) { | |
892a9205 RN |
815 | if ( TRUE ) |
816 | thread_add (vml, ulm, &ul, &br, ulm->x, ulm->y, ulm->z, ulm->scale, vml->filename_xml ); | |
817 | else { | |
818 | // Run in the foreground | |
819 | render ( vml, &ul, &br, ulm ); | |
820 | vik_layer_emit_update ( VIK_LAYER(vml) ); | |
821 | } | |
5fa4fe86 RN |
822 | } |
823 | } | |
824 | ||
825 | return pixbuf; | |
826 | } | |
827 | ||
828 | /** | |
829 | * | |
830 | */ | |
831 | static void mapnik_layer_draw ( VikMapnikLayer *vml, VikViewport *vvp ) | |
832 | { | |
833 | if ( !vml->loaded ) | |
834 | return; | |
835 | ||
836 | if ( vik_viewport_get_drawmode(vvp) != VIK_VIEWPORT_DRAWMODE_MERCATOR ) { | |
837 | vik_statusbar_set_message ( vik_window_get_statusbar (VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vml))), | |
838 | VIK_STATUSBAR_INFO, _("Mapnik Rendering must be in Mercator mode") ); | |
839 | return; | |
840 | } | |
841 | ||
465559f1 RN |
842 | if ( vml->mi ) { |
843 | gchar *copyright = mapnik_interface_get_copyright ( vml->mi ); | |
844 | if ( copyright ) { | |
845 | vik_viewport_add_copyright ( vvp, copyright ); | |
846 | } | |
847 | } | |
848 | ||
5fa4fe86 RN |
849 | VikCoord ul, br; |
850 | ul.mode = VIK_COORD_LATLON; | |
851 | br.mode = VIK_COORD_LATLON; | |
852 | vik_viewport_screen_to_coord ( vvp, 0, 0, &ul ); | |
853 | vik_viewport_screen_to_coord ( vvp, vik_viewport_get_width(vvp), vik_viewport_get_height(vvp), &br ); | |
854 | ||
855 | gdouble xzoom = vik_viewport_get_xmpp ( vvp ); | |
856 | gdouble yzoom = vik_viewport_get_ympp ( vvp ); | |
857 | ||
858 | MapCoord ulm, brm; | |
859 | ||
860 | if ( map_utils_vikcoord_to_iTMS ( &ul, xzoom, yzoom, &ulm ) && | |
861 | map_utils_vikcoord_to_iTMS ( &br, xzoom, yzoom, &brm ) ) { | |
862 | // TODO: Understand if tilesize != 256 does this need to use shrinkfactors?? | |
863 | GdkPixbuf *pixbuf; | |
864 | VikCoord coord; | |
865 | gint xx, yy; | |
866 | ||
867 | gint xmin = MIN(ulm.x, brm.x), xmax = MAX(ulm.x, brm.x); | |
868 | gint ymin = MIN(ulm.y, brm.y), ymax = MAX(ulm.y, brm.y); | |
869 | ||
870 | // Split rendering into a grid for the current viewport | |
871 | // thus each individual 'tile' can then be stored in the map cache | |
5fa4fe86 RN |
872 | for (gint x = xmin; x <= xmax; x++ ) { |
873 | for (gint y = ymin; y <= ymax; y++ ) { | |
874 | ulm.x = x; | |
875 | ulm.y = y; | |
876 | brm.x = x+1; | |
877 | brm.y = y+1; | |
878 | ||
879 | pixbuf = get_pixbuf ( vml, &ulm, &brm ); | |
880 | ||
881 | if ( pixbuf ) { | |
882 | map_utils_iTMS_to_vikcoord ( &ulm, &coord ); | |
883 | vik_viewport_coord_to_screen ( vvp, &coord, &xx, &yy ); | |
884 | vik_viewport_draw_pixbuf ( vvp, pixbuf, 0, 0, xx, yy, vml->tile_size_x, vml->tile_size_x ); | |
38597a6d | 885 | g_object_unref(pixbuf); |
5fa4fe86 RN |
886 | } |
887 | } | |
888 | } | |
889 | ||
890 | // Done after so drawn on top | |
891 | // Just a handy guide to tile blocks. | |
892 | if ( vik_debug && vik_verbose ) { | |
893 | GdkGC *black_gc = GTK_WIDGET(vvp)->style->black_gc; | |
894 | gint width = vik_viewport_get_width(vvp); | |
895 | gint height = vik_viewport_get_height(vvp); | |
896 | gint xx, yy; | |
897 | ulm.x = xmin; ulm.y = ymin; | |
898 | map_utils_iTMS_to_center_vikcoord ( &ulm, &coord ); | |
899 | vik_viewport_coord_to_screen ( vvp, &coord, &xx, &yy ); | |
900 | xx = xx - (vml->tile_size_x/2); | |
901 | yy = yy - (vml->tile_size_x/2); // Yes use X ATM | |
902 | for (gint x = xmin; x <= xmax; x++ ) { | |
903 | vik_viewport_draw_line ( vvp, black_gc, xx, 0, xx, height ); | |
904 | xx += vml->tile_size_x; | |
905 | } | |
906 | for (gint y = ymin; y <= ymax; y++ ) { | |
907 | vik_viewport_draw_line ( vvp, black_gc, 0, yy, width, yy ); | |
908 | yy += vml->tile_size_x; // Yes use X ATM | |
909 | } | |
910 | } | |
911 | } | |
912 | } | |
913 | ||
914 | /** | |
915 | * | |
916 | */ | |
917 | static void mapnik_layer_free ( VikMapnikLayer *vml ) | |
918 | { | |
0658c2f1 | 919 | mapnik_interface_free ( vml->mi ); |
b47af40d RN |
920 | if ( vml->filename_css ) |
921 | g_free ( vml->filename_css ); | |
5fa4fe86 RN |
922 | if ( vml->filename_xml ) |
923 | g_free ( vml->filename_xml ); | |
924 | } | |
925 | ||
926 | static VikMapnikLayer *mapnik_layer_create ( VikViewport *vp ) | |
927 | { | |
928 | return mapnik_layer_new ( vp ); | |
929 | } | |
930 | ||
931 | typedef enum { | |
932 | MA_VML = 0, | |
933 | MA_VVP, | |
934 | MA_LAST | |
935 | } menu_array_index; | |
936 | ||
937 | typedef gpointer menu_array_values[MA_LAST]; | |
938 | ||
939 | /** | |
940 | * | |
941 | */ | |
942 | static void mapnik_layer_flush_memory ( menu_array_values values ) | |
943 | { | |
944 | a_mapcache_flush_type ( MAP_ID_MAPNIK_RENDER ); | |
945 | } | |
946 | ||
c2cf0333 RN |
947 | /** |
948 | * | |
949 | */ | |
950 | static void mapnik_layer_reload ( menu_array_values values ) | |
951 | { | |
952 | VikMapnikLayer *vml = values[MA_VML]; | |
953 | VikViewport *vvp = values[MA_VVP]; | |
954 | mapnik_layer_post_read (VIK_LAYER(vml), vvp, FALSE); | |
955 | mapnik_layer_draw ( vml, vvp ); | |
956 | } | |
957 | ||
dd5122df RN |
958 | /** |
959 | * Force carto run | |
960 | * | |
961 | * Most carto projects will consist of many files | |
962 | * ATM don't have a way of detecting when any of the included files have changed | |
963 | * Thus allow a manual method to force re-running carto | |
964 | */ | |
965 | static void mapnik_layer_carto ( menu_array_values values ) | |
966 | { | |
967 | VikMapnikLayer *vml = values[MA_VML]; | |
968 | VikViewport *vvp = values[MA_VVP]; | |
969 | ||
970 | // Don't load the XML config if carto load fails | |
971 | if ( !carto_load ( vml, vvp ) ) | |
972 | return; | |
973 | ||
974 | gchar* ans = mapnik_interface_load_map_file ( vml->mi, vml->filename_xml, vml->tile_size_x, vml->tile_size_x ); | |
975 | if ( ans ) { | |
976 | a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(vvp), | |
977 | _("Mapnik error loading configuration file:\n%s"), | |
978 | ans ); | |
979 | g_free ( ans ); | |
980 | } | |
981 | else | |
982 | mapnik_layer_draw ( vml, vvp ); | |
983 | } | |
984 | ||
581feeec RN |
985 | /** |
986 | * Show Mapnik configuration parameters | |
987 | */ | |
988 | static void mapnik_layer_information ( menu_array_values values ) | |
989 | { | |
990 | VikMapnikLayer *vml = values[MA_VML]; | |
991 | if ( !vml->mi ) | |
992 | return; | |
993 | GArray *array = mapnik_interface_get_parameters( vml->mi ); | |
994 | if ( array->len ) { | |
995 | a_dialog_list ( VIK_GTK_WINDOW_FROM_LAYER(vml), _("Mapnik Information"), array, 1 ); | |
996 | // Free the copied strings | |
997 | for ( int i = 0; i < array->len; i++ ) | |
998 | g_free ( g_array_index(array,gchar*,i) ); | |
999 | } | |
1000 | g_array_free ( array, FALSE ); | |
1001 | } | |
1002 | ||
c064c64c RN |
1003 | /** |
1004 | * | |
1005 | */ | |
1006 | static void mapnik_layer_about ( menu_array_values values ) | |
1007 | { | |
1008 | VikMapnikLayer *vml = values[MA_VML]; | |
1009 | gchar *msg = mapnik_interface_about(); | |
1010 | a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_LAYER(vml), msg ); | |
1011 | g_free ( msg ); | |
1012 | } | |
1013 | ||
5fa4fe86 RN |
1014 | /** |
1015 | * | |
1016 | */ | |
1017 | static void mapnik_layer_add_menu_items ( VikMapnikLayer *vml, GtkMenu *menu, gpointer vlp ) | |
1018 | { | |
1019 | static menu_array_values values; | |
1020 | values[MA_VML] = vml; | |
1021 | values[MA_VVP] = vik_layers_panel_get_viewport( VIK_LAYERS_PANEL(vlp) ); | |
1022 | ||
1023 | GtkWidget *item = gtk_menu_item_new(); | |
1024 | gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item ); | |
1025 | gtk_widget_show ( item ); | |
1026 | ||
1027 | // Typical users shouldn't need to use this functionality - so debug only ATM | |
1028 | if ( vik_debug ) { | |
1029 | item = gtk_image_menu_item_new_with_mnemonic ( _("_Flush Memory Cache") ); | |
1030 | gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU) ); | |
1031 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_flush_memory), values ); | |
1032 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
1033 | gtk_widget_show ( item ); | |
1034 | } | |
c064c64c | 1035 | |
c2cf0333 RN |
1036 | item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_REFRESH, NULL ); |
1037 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_reload), values ); | |
1038 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
1039 | gtk_widget_show ( item ); | |
1040 | ||
dd5122df RN |
1041 | if ( g_strcmp0 ("", vml->filename_css) ) { |
1042 | item = gtk_image_menu_item_new_with_mnemonic ( _("_Run Carto Command") ); | |
1043 | gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_EXECUTE, GTK_ICON_SIZE_MENU) ); | |
1044 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_carto), values ); | |
1045 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
1046 | gtk_widget_show ( item ); | |
1047 | } | |
1048 | ||
581feeec RN |
1049 | item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_INFO, NULL ); |
1050 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_information), values ); | |
1051 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
1052 | gtk_widget_show ( item ); | |
1053 | ||
c064c64c RN |
1054 | item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_ABOUT, NULL ); |
1055 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_about), values ); | |
1056 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
1057 | gtk_widget_show ( item ); | |
5fa4fe86 | 1058 | } |
93eac03d RN |
1059 | |
1060 | /** | |
1061 | * Rerender a specific tile | |
1062 | */ | |
1063 | static void mapnik_layer_rerender ( VikMapnikLayer *vml ) | |
1064 | { | |
1065 | MapCoord ulm; | |
1066 | // Requested position to map coord | |
1067 | map_utils_vikcoord_to_iTMS ( &vml->rerender_ul, vml->rerender_zoom, vml->rerender_zoom, &ulm ); | |
1068 | // Reconvert back - thus getting the coordinate at the tile *ul corner* | |
1069 | map_utils_iTMS_to_vikcoord (&ulm, &vml->rerender_ul ); | |
1070 | // Bottom right bound is simply +1 in TMS coords | |
1071 | MapCoord brm = ulm; | |
1072 | brm.x = brm.x+1; | |
1073 | brm.y = brm.y+1; | |
1074 | map_utils_iTMS_to_vikcoord (&brm, &vml->rerender_br ); | |
1075 | thread_add (vml, &ulm, &vml->rerender_ul, &vml->rerender_br, ulm.x, ulm.y, ulm.z, ulm.scale, vml->filename_xml ); | |
1076 | } | |
1077 | ||
2d621d52 RN |
1078 | /** |
1079 | * Info | |
1080 | */ | |
1081 | static void mapnik_layer_tile_info ( VikMapnikLayer *vml ) | |
1082 | { | |
1083 | MapCoord ulm; | |
1084 | // Requested position to map coord | |
1085 | map_utils_vikcoord_to_iTMS ( &vml->rerender_ul, vml->rerender_zoom, vml->rerender_zoom, &ulm ); | |
1086 | ||
1087 | mapcache_extra_t extra = a_mapcache_get_extra ( ulm.x, ulm.y, ulm.z, MAP_ID_MAPNIK_RENDER, ulm.scale, vml->alpha, 0.0, 0.0, vml->filename_xml ); | |
1088 | ||
1089 | gchar *filename = get_filename ( vml->file_cache_dir, ulm.x, ulm.y, ulm.scale ); | |
1090 | gchar *filemsg = NULL; | |
1091 | gchar *timemsg = NULL; | |
1092 | ||
1093 | if ( g_file_test ( filename, G_FILE_TEST_EXISTS ) ) { | |
1094 | filemsg = g_strconcat ( "Tile File: ", filename, NULL ); | |
1095 | // Get some timestamp information of the tile | |
2a708810 | 1096 | GStatBuf stat_buf; |
2d621d52 RN |
1097 | if ( g_stat ( filename, &stat_buf ) == 0 ) { |
1098 | gchar time_buf[64]; | |
1099 | strftime ( time_buf, sizeof(time_buf), "%c", gmtime((const time_t *)&stat_buf.st_mtime) ); | |
1100 | timemsg = g_strdup_printf ( _("Tile File Timestamp: %s"), time_buf ); | |
1101 | } | |
1102 | else { | |
1103 | timemsg = g_strdup ( _("Tile File Timestamp: Not Available") ); | |
1104 | } | |
1105 | } | |
1106 | else { | |
1107 | filemsg = g_strdup_printf ( "Tile File: %s [Not Available]", filename ); | |
1108 | timemsg = g_strdup(""); | |
1109 | } | |
1110 | ||
1111 | GArray *array = g_array_new (FALSE, TRUE, sizeof(gchar*)); | |
1112 | g_array_append_val ( array, filemsg ); | |
1113 | g_array_append_val ( array, timemsg ); | |
1114 | ||
1115 | gchar *rendmsg = NULL; | |
1116 | // Show the info | |
1117 | if ( extra.duration > 0.0 ) { | |
1118 | rendmsg = g_strdup_printf ( _("Rendering time %.2f seconds"), extra.duration ); | |
1119 | g_array_append_val ( array, rendmsg ); | |
1120 | } | |
1121 | ||
1122 | a_dialog_list ( VIK_GTK_WINDOW_FROM_LAYER(vml), _("Tile Information"), array, 5 ); | |
1123 | g_array_free ( array, FALSE ); | |
1124 | ||
1125 | g_free ( rendmsg ); | |
1126 | g_free ( timemsg ); | |
1127 | g_free ( filemsg ); | |
1128 | g_free ( filename ); | |
1129 | } | |
1130 | ||
93eac03d RN |
1131 | static gboolean mapnik_feature_release ( VikMapnikLayer *vml, GdkEventButton *event, VikViewport *vvp ) |
1132 | { | |
1133 | if ( !vml ) | |
1134 | return FALSE; | |
1135 | if ( event->button == 3 ) { | |
1136 | vik_viewport_screen_to_coord ( vvp, MAX(0, event->x), MAX(0, event->y), &vml->rerender_ul ); | |
1137 | vml->rerender_zoom = vik_viewport_get_zoom ( vvp ); | |
1138 | ||
1139 | if ( ! vml->right_click_menu ) { | |
1140 | GtkWidget *item; | |
1141 | vml->right_click_menu = gtk_menu_new (); | |
1142 | ||
1143 | item = gtk_image_menu_item_new_with_mnemonic ( _("_Rerender Tile") ); | |
1144 | gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REFRESH, GTK_ICON_SIZE_MENU) ); | |
1145 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_rerender), vml ); | |
1146 | gtk_menu_shell_append ( GTK_MENU_SHELL(vml->right_click_menu), item ); | |
2d621d52 RN |
1147 | |
1148 | item = gtk_image_menu_item_new_with_mnemonic ( _("_Info") ); | |
1149 | gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_INFO, GTK_ICON_SIZE_MENU) ); | |
1150 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_tile_info), vml ); | |
1151 | gtk_menu_shell_append ( GTK_MENU_SHELL(vml->right_click_menu), item ); | |
93eac03d RN |
1152 | } |
1153 | ||
1154 | gtk_menu_popup ( GTK_MENU(vml->right_click_menu), NULL, NULL, NULL, NULL, event->button, event->time ); | |
1155 | gtk_widget_show_all ( GTK_WIDGET(vml->right_click_menu) ); | |
1156 | } | |
1157 | ||
1158 | return FALSE; | |
1159 | } |