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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" | |
27 | #include "vikutils.h" | |
28 | #include <glib.h> | |
29 | #include <glib/gstdio.h> | |
30 | #include <glib/gi18n.h> | |
31 | #include <string.h> | |
32 | #include <math.h> | |
33 | #include <stdlib.h> | |
34 | #include <ctype.h> | |
35 | ||
36 | #include "map_ids.h" | |
37 | #include "maputils.h" | |
38 | #include "mapcoord.h" | |
39 | #include "mapcache.h" | |
0a25e232 | 40 | #include "dir.h" |
5fa4fe86 RN |
41 | #include "util.h" |
42 | #include "ui_util.h" | |
43 | #include "preferences.h" | |
44 | #include "icons/icons.h" | |
45 | #include "mapnik_interface.h" | |
892a9205 | 46 | #include "background.h" |
5fa4fe86 | 47 | |
0a25e232 RN |
48 | #include "vikmapslayer.h" |
49 | ||
50 | #if !GLIB_CHECK_VERSION(2,26,0) | |
51 | typedef struct stat GStatBuf; | |
52 | #endif | |
53 | ||
5fa4fe86 RN |
54 | struct _VikMapnikLayerClass |
55 | { | |
56 | VikLayerClass object_class; | |
57 | }; | |
58 | ||
59 | static VikLayerParamData file_default ( void ) | |
60 | { | |
61 | VikLayerParamData data; | |
62 | data.s = ""; | |
63 | return data; | |
64 | } | |
65 | ||
66 | static VikLayerParamData size_default ( void ) { return VIK_LPD_UINT ( 256 ); } | |
67 | static VikLayerParamData alpha_default ( void ) { return VIK_LPD_UINT ( 255 ); } | |
68 | ||
0a25e232 RN |
69 | static VikLayerParamData cache_dir_default ( void ) |
70 | { | |
71 | VikLayerParamData data; | |
72 | data.s = g_strconcat ( maps_layer_default_dir(), "MapnikRendering", NULL ); | |
73 | return data; | |
74 | } | |
75 | ||
5fa4fe86 RN |
76 | static VikLayerParamScale scales[] = { |
77 | { 0, 255, 5, 0 }, // Alpha | |
78 | { 64, 1024, 8, 0 }, // Tile size | |
0a25e232 | 79 | { 0, 1024, 12, 0 }, // Rerender timeout hours |
5fa4fe86 RN |
80 | }; |
81 | ||
82 | VikLayerParam mapnik_layer_params[] = { | |
b47af40d RN |
83 | { 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, |
84 | N_("CartoCSS configuration file"), file_default, NULL, NULL }, | |
5fa4fe86 RN |
85 | { 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, |
86 | N_("Mapnik XML configuration file"), file_default, NULL, NULL }, | |
87 | { VIK_LAYER_MAPNIK, "alpha", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, N_("Alpha:"), VIK_LAYER_WIDGET_HSCALE, &scales[0], NULL, | |
88 | NULL, alpha_default, NULL, NULL }, | |
0a25e232 RN |
89 | { VIK_LAYER_MAPNIK, "use-file-cache", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_GROUP_NONE, N_("Use File Cache:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, |
90 | NULL, vik_lpd_true_default, NULL, NULL }, | |
91 | { VIK_LAYER_MAPNIK, "file-cache-dir", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("File Cache Directory:"), VIK_LAYER_WIDGET_FOLDERENTRY, NULL, NULL, | |
92 | NULL, cache_dir_default, NULL, NULL }, | |
5fa4fe86 RN |
93 | }; |
94 | ||
95 | enum { | |
b47af40d RN |
96 | PARAM_CONFIG_CSS = 0, |
97 | PARAM_CONFIG_XML, | |
98 | PARAM_ALPHA, | |
0a25e232 RN |
99 | PARAM_USE_FILE_CACHE, |
100 | PARAM_FILE_CACHE_DIR, | |
b47af40d | 101 | NUM_PARAMS }; |
5fa4fe86 RN |
102 | |
103 | static const gchar* mapnik_layer_tooltip ( VikMapnikLayer *vml ); | |
104 | static void mapnik_layer_marshall( VikMapnikLayer *vml, guint8 **data, gint *len ); | |
105 | static VikMapnikLayer *mapnik_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp ); | |
106 | static gboolean mapnik_layer_set_param ( VikMapnikLayer *vml, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation ); | |
107 | static VikLayerParamData mapnik_layer_get_param ( VikMapnikLayer *vml, guint16 id, gboolean is_file_operation ); | |
108 | static VikMapnikLayer *mapnik_layer_new ( VikViewport *vvp ); | |
109 | static VikMapnikLayer *mapnik_layer_create ( VikViewport *vp ); | |
110 | static void mapnik_layer_free ( VikMapnikLayer *vml ); | |
111 | static void mapnik_layer_draw ( VikMapnikLayer *vml, VikViewport *vp ); | |
112 | static void mapnik_layer_add_menu_items ( VikMapnikLayer *vml, GtkMenu *menu, gpointer vlp ); | |
113 | ||
93eac03d RN |
114 | static gpointer mapnik_feature_create ( VikWindow *vw, VikViewport *vvp) |
115 | { | |
116 | return vvp; | |
117 | } | |
118 | ||
119 | static gboolean mapnik_feature_release ( VikMapnikLayer *vml, GdkEventButton *event, VikViewport *vvp ); | |
120 | ||
5fa4fe86 RN |
121 | // See comment in viktrwlayer.c for advice on values used |
122 | // FUTURE: | |
123 | static VikToolInterface mapnik_tools[] = { | |
124 | // Layer Info | |
125 | // Zoom All? | |
93eac03d RN |
126 | { { "MapnikFeatures", GTK_STOCK_INFO, N_("_Mapnik Features"), NULL, N_("Mapnik Features"), 0 }, |
127 | (VikToolConstructorFunc) mapnik_feature_create, | |
128 | NULL, | |
129 | NULL, | |
130 | NULL, | |
131 | NULL, | |
132 | NULL, | |
133 | (VikToolMouseFunc) mapnik_feature_release, | |
134 | NULL, | |
135 | FALSE, | |
136 | GDK_LEFT_PTR, NULL, NULL }, | |
5fa4fe86 RN |
137 | }; |
138 | ||
139 | static void mapnik_layer_post_read (VikLayer *vl, VikViewport *vvp, gboolean from_file); | |
140 | ||
141 | VikLayerInterface vik_mapnik_layer_interface = { | |
142 | "Mapnik Rendering", | |
143 | N_("Mapnik Rendering"), | |
144 | NULL, | |
145 | &vikmapniklayer_pixbuf, // icon | |
146 | ||
147 | mapnik_tools, | |
148 | sizeof(mapnik_tools) / sizeof(VikToolInterface), | |
149 | ||
150 | mapnik_layer_params, | |
151 | NUM_PARAMS, | |
152 | NULL, | |
153 | 0, | |
154 | ||
155 | VIK_MENU_ITEM_ALL, | |
156 | ||
157 | (VikLayerFuncCreate) mapnik_layer_create, | |
158 | (VikLayerFuncRealize) NULL, | |
159 | (VikLayerFuncPostRead) mapnik_layer_post_read, | |
160 | (VikLayerFuncFree) mapnik_layer_free, | |
161 | ||
162 | (VikLayerFuncProperties) NULL, | |
163 | (VikLayerFuncDraw) mapnik_layer_draw, | |
164 | (VikLayerFuncChangeCoordMode) NULL, | |
165 | ||
166 | (VikLayerFuncSetMenuItemsSelection) NULL, | |
167 | (VikLayerFuncGetMenuItemsSelection) NULL, | |
168 | ||
169 | (VikLayerFuncAddMenuItems) mapnik_layer_add_menu_items, | |
170 | (VikLayerFuncSublayerAddMenuItems) NULL, | |
171 | ||
172 | (VikLayerFuncSublayerRenameRequest) NULL, | |
173 | (VikLayerFuncSublayerToggleVisible) NULL, | |
174 | (VikLayerFuncSublayerTooltip) NULL, | |
175 | (VikLayerFuncLayerTooltip) mapnik_layer_tooltip, | |
176 | (VikLayerFuncLayerSelected) NULL, | |
177 | ||
178 | (VikLayerFuncMarshall) mapnik_layer_marshall, | |
179 | (VikLayerFuncUnmarshall) mapnik_layer_unmarshall, | |
180 | ||
181 | (VikLayerFuncSetParam) mapnik_layer_set_param, | |
182 | (VikLayerFuncGetParam) mapnik_layer_get_param, | |
183 | (VikLayerFuncChangeParam) NULL, | |
184 | ||
185 | (VikLayerFuncReadFileData) NULL, | |
186 | (VikLayerFuncWriteFileData) NULL, | |
187 | ||
188 | (VikLayerFuncDeleteItem) NULL, | |
189 | (VikLayerFuncCutItem) NULL, | |
190 | (VikLayerFuncCopyItem) NULL, | |
191 | (VikLayerFuncPasteItem) NULL, | |
192 | (VikLayerFuncFreeCopiedItem) NULL, | |
193 | (VikLayerFuncDragDropRequest) NULL, | |
194 | ||
195 | (VikLayerFuncSelectClick) NULL, | |
196 | (VikLayerFuncSelectMove) NULL, | |
197 | (VikLayerFuncSelectRelease) NULL, | |
198 | (VikLayerFuncSelectedViewportMenu) NULL, | |
199 | }; | |
200 | ||
201 | struct _VikMapnikLayer { | |
202 | VikLayer vl; | |
b47af40d | 203 | gchar *filename_css; // CartoCSS MML File - use 'carto' to convert into xml |
5fa4fe86 RN |
204 | gchar *filename_xml; |
205 | guint8 alpha; | |
206 | ||
207 | guint tile_size_x; // Y is the same as X ATM | |
208 | gboolean loaded; | |
0658c2f1 | 209 | MapnikInterface* mi; |
0a25e232 RN |
210 | guint rerender_timeout; |
211 | ||
212 | gboolean use_file_cache; | |
213 | gchar *file_cache_dir; | |
93eac03d RN |
214 | |
215 | VikCoord rerender_ul; | |
216 | VikCoord rerender_br; | |
217 | gdouble rerender_zoom; | |
218 | GtkWidget *right_click_menu; | |
5fa4fe86 RN |
219 | }; |
220 | ||
221 | #define MAPNIK_PREFS_GROUP_KEY "mapnik" | |
222 | #define MAPNIK_PREFS_NAMESPACE "mapnik." | |
223 | ||
224 | static VikLayerParamData plugins_default ( void ) | |
225 | { | |
226 | VikLayerParamData data; | |
227 | #ifdef WINDOWS | |
228 | data.s = g_strdup ( "input" ); | |
229 | #else | |
230 | if ( g_file_test ( "/usr/lib/mapnik/input", G_FILE_TEST_EXISTS ) ) | |
231 | data.s = g_strdup ( "/usr/lib/mapnik/input" ); | |
232 | else if ( g_file_test ( "/usr/lib/mapnik/2.2/input", G_FILE_TEST_EXISTS ) ) | |
233 | // Current Debian location | |
234 | data.s = g_strdup ( "/usr/lib/mapnik/2.2/input" ); | |
235 | else | |
236 | data.s = g_strdup ( "" ); | |
237 | #endif | |
238 | return data; | |
239 | } | |
240 | ||
241 | static VikLayerParamData fonts_default ( void ) | |
242 | { | |
243 | // Possibly should be string list to allow loading from multiple directories | |
244 | VikLayerParamData data; | |
245 | #ifdef WINDOWS | |
246 | data.s = g_strdup ( "C:\\Windows\\Fonts" ); | |
247 | #elif defined __APPLE__ | |
248 | data.s = g_strdup ( "/Library/Fonts" ); | |
249 | #else | |
250 | data.s = g_strdup ( "/usr/share/fonts" ); | |
251 | #endif | |
252 | return data; | |
253 | } | |
254 | ||
255 | static VikLayerParam prefs[] = { | |
256 | // Changing these values only applies before first mapnik layer is 'created' | |
257 | { 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 }, | |
258 | { 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 }, | |
259 | { 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 | 260 | { 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 |
261 | // Changeable any time |
262 | { 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 |
263 | }; |
264 | ||
0a25e232 RN |
265 | static time_t planet_import_time; |
266 | ||
892a9205 RN |
267 | static GMutex *tp_mutex; |
268 | static GHashTable *requests = NULL; | |
5fa4fe86 | 269 | |
892a9205 RN |
270 | /** |
271 | * vik_mapnik_layer_init: | |
272 | * | |
273 | * Mostly to initialize preferences | |
274 | */ | |
5fa4fe86 RN |
275 | void vik_mapnik_layer_init (void) |
276 | { | |
277 | a_preferences_register_group ( MAPNIK_PREFS_GROUP_KEY, "Mapnik" ); | |
278 | ||
279 | guint i = 0; | |
280 | VikLayerParamData tmp = plugins_default(); | |
281 | a_preferences_register(&prefs[i++], tmp, MAPNIK_PREFS_GROUP_KEY); | |
282 | ||
283 | tmp = fonts_default(); | |
284 | a_preferences_register(&prefs[i++], tmp, MAPNIK_PREFS_GROUP_KEY); | |
285 | ||
286 | tmp.b = TRUE; | |
287 | a_preferences_register(&prefs[i++], tmp, MAPNIK_PREFS_GROUP_KEY); | |
b47af40d | 288 | |
0a25e232 | 289 | tmp.u = 168; // One week |
892a9205 RN |
290 | a_preferences_register(&prefs[i++], tmp, MAPNIK_PREFS_GROUP_KEY); |
291 | ||
b47af40d RN |
292 | tmp.s = "carto"; |
293 | a_preferences_register(&prefs[i++], tmp, MAPNIK_PREFS_GROUP_KEY); | |
892a9205 RN |
294 | |
295 | tp_mutex = vik_mutex_new(); | |
296 | ||
297 | // Just storing keys only | |
298 | requests = g_hash_table_new_full ( g_str_hash, g_str_equal, g_free, NULL ); | |
0a25e232 RN |
299 | |
300 | guint hours = a_preferences_get (MAPNIK_PREFS_NAMESPACE"rerender_after")->u; | |
301 | GDateTime *now = g_date_time_new_now_local (); | |
302 | GDateTime *then = g_date_time_add_hours (now, -hours); | |
303 | planet_import_time = g_date_time_to_unix (then); | |
304 | g_date_time_unref ( now ); | |
305 | g_date_time_unref ( then ); | |
306 | ||
307 | GStatBuf gsb; | |
308 | // Similar to mod_tile method to mark DB has been imported/significantly changed to cause a rerendering of all tiles | |
309 | gchar *import_time_file = g_strconcat ( a_get_viking_dir(), G_DIR_SEPARATOR_S, "planet-import-complete", NULL ); | |
310 | if ( g_stat ( import_time_file, &gsb ) == 0 ) { | |
311 | // Only update if newer | |
312 | if ( planet_import_time > gsb.st_mtime ) | |
313 | planet_import_time = gsb.st_mtime; | |
314 | } | |
315 | g_free ( import_time_file ); | |
892a9205 RN |
316 | } |
317 | ||
318 | void vik_mapnik_layer_uninit () | |
319 | { | |
320 | vik_mutex_free (tp_mutex); | |
321 | } | |
322 | ||
323 | // NB Only performed once per program run | |
324 | static void mapnik_layer_class_init ( VikMapnikLayerClass *klass ) | |
325 | { | |
326 | mapnik_interface_initialize ( a_preferences_get (MAPNIK_PREFS_NAMESPACE"plugins_directory")->s, | |
327 | a_preferences_get (MAPNIK_PREFS_NAMESPACE"fonts_directory")->s, | |
328 | a_preferences_get (MAPNIK_PREFS_NAMESPACE"recurse_fonts_directory")->b ); | |
5fa4fe86 RN |
329 | } |
330 | ||
331 | GType vik_mapnik_layer_get_type () | |
332 | { | |
333 | static GType vml_type = 0; | |
334 | ||
335 | if (!vml_type) { | |
336 | static const GTypeInfo vml_info = { | |
337 | sizeof (VikMapnikLayerClass), | |
338 | NULL, /* base_init */ | |
339 | NULL, /* base_finalize */ | |
340 | (GClassInitFunc) mapnik_layer_class_init, /* class init */ | |
341 | NULL, /* class_finalize */ | |
342 | NULL, /* class_data */ | |
343 | sizeof (VikMapnikLayer), | |
344 | 0, | |
345 | NULL /* instance init */ | |
346 | }; | |
347 | vml_type = g_type_register_static ( VIK_LAYER_TYPE, "VikMapnikLayer", &vml_info, 0 ); | |
348 | } | |
349 | ||
350 | return vml_type; | |
351 | } | |
352 | ||
353 | static const gchar* mapnik_layer_tooltip ( VikMapnikLayer *vml ) | |
354 | { | |
355 | return vml->filename_xml; | |
356 | } | |
357 | ||
358 | static void mapnik_layer_set_file_xml ( VikMapnikLayer *vml, const gchar *name ) | |
359 | { | |
360 | if ( vml->filename_xml ) | |
361 | g_free (vml->filename_xml); | |
e8bab170 RN |
362 | // Mapnik doesn't seem to cope with relative filenames |
363 | if ( g_strcmp0 (name, "" ) ) | |
364 | vml->filename_xml = vu_get_canonical_filename ( VIK_LAYER(vml), name); | |
365 | else | |
366 | vml->filename_xml = g_strdup (name); | |
5fa4fe86 RN |
367 | } |
368 | ||
b47af40d RN |
369 | static void mapnik_layer_set_file_css ( VikMapnikLayer *vml, const gchar *name ) |
370 | { | |
371 | if ( vml->filename_css ) | |
372 | g_free (vml->filename_css); | |
373 | vml->filename_css = g_strdup (name); | |
374 | } | |
375 | ||
0a25e232 RN |
376 | static void mapnik_layer_set_cache_dir ( VikMapnikLayer *vml, const gchar *name ) |
377 | { | |
378 | if ( vml->file_cache_dir ) | |
379 | g_free (vml->file_cache_dir); | |
380 | vml->file_cache_dir = g_strdup (name); | |
381 | } | |
382 | ||
5fa4fe86 RN |
383 | static void mapnik_layer_marshall( VikMapnikLayer *vml, guint8 **data, gint *len ) |
384 | { | |
385 | vik_layer_marshall_params ( VIK_LAYER(vml), data, len ); | |
386 | } | |
387 | ||
388 | static VikMapnikLayer *mapnik_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp ) | |
389 | { | |
390 | VikMapnikLayer *rv = mapnik_layer_new ( vvp ); | |
391 | vik_layer_unmarshall_params ( VIK_LAYER(rv), data, len, vvp ); | |
392 | return rv; | |
393 | } | |
394 | ||
395 | static gboolean mapnik_layer_set_param ( VikMapnikLayer *vml, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation ) | |
396 | { | |
397 | switch ( id ) { | |
b47af40d | 398 | case PARAM_CONFIG_CSS: mapnik_layer_set_file_css (vml, data.s); break; |
5fa4fe86 RN |
399 | case PARAM_CONFIG_XML: mapnik_layer_set_file_xml (vml, data.s); break; |
400 | case PARAM_ALPHA: if ( data.u <= 255 ) vml->alpha = data.u; break; | |
0a25e232 RN |
401 | case PARAM_USE_FILE_CACHE: vml->use_file_cache = data.b; break; |
402 | case PARAM_FILE_CACHE_DIR: mapnik_layer_set_cache_dir (vml, data.s); break; | |
5fa4fe86 RN |
403 | default: break; |
404 | } | |
405 | return TRUE; | |
406 | } | |
407 | ||
408 | static VikLayerParamData mapnik_layer_get_param ( VikMapnikLayer *vml, guint16 id, gboolean is_file_operation ) | |
409 | { | |
410 | VikLayerParamData data; | |
411 | switch ( id ) { | |
b47af40d RN |
412 | case PARAM_CONFIG_CSS: { |
413 | data.s = vml->filename_css; | |
414 | gboolean set = FALSE; | |
415 | if ( is_file_operation ) { | |
416 | if ( a_vik_get_file_ref_format() == VIK_FILE_REF_FORMAT_RELATIVE ) { | |
417 | gchar *cwd = g_get_current_dir(); | |
418 | if ( cwd ) { | |
419 | data.s = file_GetRelativeFilename ( cwd, vml->filename_css ); | |
420 | if ( !data.s ) data.s = ""; | |
421 | set = TRUE; | |
422 | } | |
423 | } | |
424 | } | |
425 | if ( !set ) | |
426 | data.s = vml->filename_css ? vml->filename_css : ""; | |
427 | break; | |
428 | } | |
5fa4fe86 RN |
429 | case PARAM_CONFIG_XML: { |
430 | data.s = vml->filename_xml; | |
431 | gboolean set = FALSE; | |
432 | if ( is_file_operation ) { | |
433 | if ( a_vik_get_file_ref_format() == VIK_FILE_REF_FORMAT_RELATIVE ) { | |
434 | gchar *cwd = g_get_current_dir(); | |
435 | if ( cwd ) { | |
436 | data.s = file_GetRelativeFilename ( cwd, vml->filename_xml ); | |
437 | if ( !data.s ) data.s = ""; | |
438 | set = TRUE; | |
439 | } | |
440 | } | |
441 | } | |
442 | if ( !set ) | |
443 | data.s = vml->filename_xml ? vml->filename_xml : ""; | |
444 | break; | |
445 | } | |
446 | case PARAM_ALPHA: data.u = vml->alpha; break; | |
0a25e232 RN |
447 | case PARAM_USE_FILE_CACHE: data.b = vml->use_file_cache; break; |
448 | case PARAM_FILE_CACHE_DIR: data.s = vml->file_cache_dir; break; | |
5fa4fe86 RN |
449 | default: break; |
450 | } | |
451 | return data; | |
452 | } | |
453 | ||
454 | /** | |
455 | * | |
456 | */ | |
457 | static VikMapnikLayer *mapnik_layer_new ( VikViewport *vvp ) | |
458 | { | |
459 | VikMapnikLayer *vml = VIK_MAPNIK_LAYER ( g_object_new ( VIK_MAPNIK_LAYER_TYPE, NULL ) ); | |
460 | vik_layer_set_type ( VIK_LAYER(vml), VIK_LAYER_MAPNIK ); | |
461 | vik_layer_set_defaults ( VIK_LAYER(vml), vvp ); | |
462 | vml->tile_size_x = size_default().u; // FUTURE: Is there any use in this being configurable? | |
463 | vml->loaded = FALSE; | |
0658c2f1 | 464 | vml->mi = mapnik_interface_new(); |
5fa4fe86 RN |
465 | return vml; |
466 | } | |
467 | ||
b47af40d RN |
468 | /** |
469 | * Run carto command | |
470 | * ATM don't have any version issues AFAIK | |
471 | * Tested with carto 0.14.0 | |
472 | */ | |
473 | gboolean carto_load ( VikMapnikLayer *vml, VikViewport *vvp ) | |
474 | { | |
475 | gchar *mystdout = NULL; | |
476 | gchar *mystderr = NULL; | |
477 | GError *error = NULL; | |
478 | ||
479 | VikLayerParamData *vlpd = a_preferences_get(MAPNIK_PREFS_NAMESPACE"carto"); | |
480 | gchar *command = g_strdup_printf ( "%s %s", vlpd->s, vml->filename_css ); | |
481 | ||
482 | gboolean answer = TRUE; | |
483 | //gchar *args[2]; args[0] = vlpd->s; args[1] = vml->filename_css; | |
484 | //GPid pid; | |
485 | //if ( g_spawn_async_with_pipes ( NULL, args, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, &pid, NULL, &carto_stdout, &carto_error, &error ) ) { | |
486 | // cf code in babel.c to handle stdout | |
487 | ||
488 | // NB Running carto may take several seconds | |
489 | // especially for large style sheets like the default OSM Mapnik style (~6 seconds on my system) | |
490 | VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_WIDGET(vvp)); | |
491 | if ( vw ) { | |
492 | gchar *msg = g_strdup_printf ( "%s: %s", _("Running"), command ); | |
493 | vik_window_statusbar_update ( vw, msg, VIK_STATUSBAR_INFO ); | |
494 | vik_window_set_busy_cursor ( vw ); | |
495 | } | |
496 | ||
497 | gint64 tt1 = 0; | |
498 | gint64 tt2 = 0; | |
499 | // You won't get a sensible timing measurement if running too old a GLIB | |
500 | #if GLIB_CHECK_VERSION (2, 28, 0) | |
501 | tt1 = g_get_real_time (); | |
502 | #endif | |
503 | ||
504 | if ( g_spawn_command_line_sync ( command, &mystdout, &mystderr, NULL, &error ) ) { | |
505 | #if GLIB_CHECK_VERSION (2, 28, 0) | |
506 | tt2 = g_get_real_time (); | |
507 | #endif | |
508 | if ( mystderr ) | |
509 | if ( strlen(mystderr) > 1 ) { | |
510 | a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(vvp), _("Error running carto command:\n%s"), mystderr ); | |
511 | answer = FALSE; | |
512 | } | |
513 | if ( mystdout ) { | |
514 | // NB This will overwrite the specified XML file | |
515 | if ( ! ( vml->filename_xml && strlen (vml->filename_xml) > 1 ) ) { | |
516 | // XML Not specified so try to create based on CSS file name | |
517 | GRegex *regex = g_regex_new ( "\\.mml$|\\.mss|\\.css$", G_REGEX_CASELESS, 0, &error ); | |
518 | if ( error ) | |
519 | g_critical ("%s: %s", __FUNCTION__, error->message ); | |
520 | if ( vml->filename_xml ) | |
521 | g_free (vml->filename_xml); | |
522 | vml->filename_xml = g_regex_replace_literal ( regex, vml->filename_css, -1, 0, ".xml", 0, &error ); | |
523 | if ( error ) | |
524 | g_warning ("%s: %s", __FUNCTION__, error->message ); | |
525 | // Prevent overwriting self | |
526 | if ( !g_strcmp0 ( vml->filename_xml, vml->filename_css ) ) { | |
527 | vml->filename_xml = g_strconcat ( vml->filename_css, ".xml", NULL ); | |
528 | } | |
529 | } | |
530 | if ( !g_file_set_contents (vml->filename_xml, mystdout, -1, &error) ) { | |
531 | g_warning ("%s: %s", __FUNCTION__, error->message ); | |
532 | g_error_free (error); | |
533 | } | |
534 | } | |
535 | g_free ( mystdout ); | |
536 | g_free ( mystderr ); | |
537 | } | |
538 | else { | |
539 | g_warning ("%s: %s", __FUNCTION__, error->message ); | |
540 | g_error_free (error); | |
541 | } | |
542 | g_free ( command ); | |
543 | ||
544 | if ( vw ) { | |
545 | gchar *msg = g_strdup_printf ( "%s %s %.1f %s", vlpd->s, _(" completed in "), (gdouble)(tt2-tt1)/G_USEC_PER_SEC, _("seconds") ); | |
546 | vik_window_statusbar_update ( vw, msg, VIK_STATUSBAR_INFO ); | |
547 | g_free ( msg ); | |
548 | vik_window_clear_busy_cursor ( vw ); | |
549 | } | |
550 | return answer; | |
551 | } | |
552 | ||
5fa4fe86 RN |
553 | /** |
554 | * | |
555 | */ | |
556 | static void mapnik_layer_post_read (VikLayer *vl, VikViewport *vvp, gboolean from_file) | |
557 | { | |
558 | VikMapnikLayer *vml = VIK_MAPNIK_LAYER(vl); | |
559 | ||
b47af40d RN |
560 | // Determine if carto needs to be run |
561 | gboolean do_carto = FALSE; | |
562 | if ( vml->filename_css && strlen(vml->filename_css) > 1 ) { | |
563 | if ( vml->filename_xml && strlen(vml->filename_xml) > 1) { | |
564 | // Compare timestamps | |
565 | GStatBuf gsb1; | |
566 | if ( g_stat ( vml->filename_xml, &gsb1 ) == 0 ) { | |
567 | GStatBuf gsb2; | |
568 | if ( g_stat ( vml->filename_css, &gsb2 ) == 0 ) { | |
569 | // Is CSS file newer than the XML file | |
570 | if ( gsb2.st_mtime > gsb1.st_mtime ) | |
571 | do_carto = TRUE; | |
572 | else | |
573 | g_debug ( "No need to run carto" ); | |
574 | } | |
575 | } | |
576 | else { | |
577 | // XML file doesn't exist | |
578 | do_carto = TRUE; | |
579 | } | |
580 | } | |
581 | else { | |
582 | // No XML specified thus need to generate | |
583 | do_carto = TRUE; | |
584 | } | |
585 | } | |
586 | ||
587 | if ( do_carto ) | |
588 | // Don't load the XML config if carto load fails | |
589 | if ( !carto_load ( vml, vvp ) ) | |
590 | return; | |
76bb97a4 RN |
591 | |
592 | gchar* ans = mapnik_interface_load_map_file ( vml->mi, vml->filename_xml, vml->tile_size_x, vml->tile_size_x ); | |
593 | if ( ans ) { | |
594 | a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(vvp), | |
595 | _("Mapnik error loading configuration file:\n%s"), | |
596 | ans ); | |
597 | g_free ( ans ); | |
5fa4fe86 RN |
598 | } |
599 | else { | |
600 | vml->loaded = TRUE; | |
601 | if ( !from_file ) | |
602 | ui_add_recent_file ( vml->filename_xml ); | |
603 | } | |
604 | } | |
605 | ||
0a25e232 RN |
606 | #define MAPNIK_LAYER_FILE_CACHE_LAYOUT "%s"G_DIR_SEPARATOR_S"%d"G_DIR_SEPARATOR_S"%d"G_DIR_SEPARATOR_S"%d.png" |
607 | ||
608 | // Free returned string after use | |
609 | static gchar *get_filename ( gchar *dir, guint x, guint y, guint z) | |
610 | { | |
611 | return g_strdup_printf ( MAPNIK_LAYER_FILE_CACHE_LAYOUT, dir, (17-z), x, y ); | |
612 | } | |
613 | ||
614 | static void possibly_save_pixbuf ( VikMapnikLayer *vml, GdkPixbuf *pixbuf, MapCoord *ulm ) | |
615 | { | |
616 | if ( vml->use_file_cache ) { | |
617 | if ( vml->file_cache_dir ) { | |
618 | GError *error = NULL; | |
619 | gchar *filename = get_filename ( vml->file_cache_dir, ulm->x, ulm->y, ulm->scale ); | |
620 | ||
621 | gchar *dir = g_path_get_dirname ( filename ); | |
622 | if ( !g_file_test ( filename, G_FILE_TEST_EXISTS ) ) | |
623 | g_mkdir_with_parents ( dir , 0777 ); | |
624 | g_free ( dir ); | |
625 | ||
626 | if ( !gdk_pixbuf_save (pixbuf, filename, "png", &error, NULL ) ) { | |
627 | g_warning ("%s: %s", __FUNCTION__, error->message ); | |
628 | g_error_free (error); | |
629 | } | |
630 | g_free (filename); | |
631 | } | |
632 | } | |
633 | } | |
634 | ||
892a9205 RN |
635 | typedef struct |
636 | { | |
637 | VikMapnikLayer *vml; | |
638 | VikCoord *ul; | |
639 | VikCoord *br; | |
640 | MapCoord *ulmc; | |
641 | const gchar* request; | |
642 | } RenderInfo; | |
643 | ||
644 | /** | |
645 | * render: | |
646 | * | |
647 | * Common render function which can run in separate thread | |
648 | */ | |
649 | static void render ( VikMapnikLayer *vml, VikCoord *ul, VikCoord *br, MapCoord *ulm ) | |
650 | { | |
651 | gint64 tt1 = g_get_real_time (); | |
652 | GdkPixbuf *pixbuf = mapnik_interface_render ( vml->mi, ul->north_south, ul->east_west, br->north_south, br->east_west ); | |
653 | gint64 tt2 = g_get_real_time (); | |
19c3c24c RN |
654 | gdouble tt = (gdouble)(tt2-tt1)/1000000; |
655 | g_debug ( "Mapnik rendering completed in %.3f seconds", tt ); | |
892a9205 RN |
656 | if ( !pixbuf ) { |
657 | // A pixbuf to stick into cache incase of an unrenderable area - otherwise will get continually re-requested | |
658 | pixbuf = gdk_pixbuf_scale_simple ( gdk_pixbuf_from_pixdata(&vikmapniklayer_pixbuf, FALSE, NULL), vml->tile_size_x, vml->tile_size_x, GDK_INTERP_BILINEAR ); | |
659 | } | |
0a25e232 | 660 | possibly_save_pixbuf ( vml, pixbuf, ulm ); |
892a9205 RN |
661 | |
662 | // NB Mapnik can apply alpha, but use our own function for now | |
663 | if ( vml->alpha < 255 ) | |
664 | pixbuf = ui_pixbuf_set_alpha ( pixbuf, vml->alpha ); | |
19c3c24c | 665 | 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 ); |
892a9205 RN |
666 | } |
667 | ||
668 | static void render_info_free ( RenderInfo *data ) | |
669 | { | |
670 | g_free ( data->ul ); | |
671 | g_free ( data->br ); | |
672 | g_free ( data->ulmc ); | |
673 | // NB No need to free the request/key - as this is freed by the hash table destructor | |
674 | g_free ( data ); | |
675 | } | |
676 | ||
677 | static void background ( RenderInfo *data, gpointer threaddata ) | |
678 | { | |
679 | int res = a_background_thread_progress ( threaddata, 0 ); | |
680 | if (res == 0) { | |
681 | render ( data->vml, data->ul, data->br, data->ulmc ); | |
682 | } | |
683 | ||
684 | g_mutex_lock(tp_mutex); | |
685 | g_hash_table_remove (requests, data->request); | |
686 | g_mutex_unlock(tp_mutex); | |
687 | ||
688 | if (res == 0) | |
689 | vik_layer_emit_update ( VIK_LAYER(data->vml) ); // NB update display from background | |
690 | } | |
691 | ||
692 | static void render_cancel_cleanup (RenderInfo *data) | |
693 | { | |
694 | // Anything? | |
695 | } | |
696 | ||
697 | #define REQUEST_HASHKEY_FORMAT "%d-%d-%d-%d-%d" | |
698 | ||
699 | /** | |
700 | * Thread | |
701 | */ | |
702 | void thread_add (VikMapnikLayer *vml, MapCoord *mul, VikCoord *ul, VikCoord *br, gint x, gint y, gint z, gint zoom, const gchar* name ) | |
703 | { | |
704 | // Create request | |
705 | guint nn = name ? g_str_hash ( name ) : 0; | |
706 | gchar *request = g_strdup_printf ( REQUEST_HASHKEY_FORMAT, x, y, z, zoom, nn ); | |
707 | ||
708 | g_mutex_lock(tp_mutex); | |
709 | ||
710 | if ( g_hash_table_lookup_extended (requests, request, NULL, NULL ) ) { | |
711 | g_free ( request ); | |
712 | g_mutex_unlock (tp_mutex); | |
713 | return; | |
714 | } | |
715 | ||
716 | RenderInfo *ri = g_malloc ( sizeof(RenderInfo) ); | |
717 | ri->vml = vml; | |
718 | ri->ul = g_malloc ( sizeof(VikCoord) ); | |
719 | ri->br = g_malloc ( sizeof(VikCoord) ); | |
720 | ri->ulmc = g_malloc ( sizeof(MapCoord) ); | |
721 | memcpy(ri->ul, ul, sizeof(VikCoord)); | |
722 | memcpy(ri->br, br, sizeof(VikCoord)); | |
723 | memcpy(ri->ulmc, mul, sizeof(MapCoord)); | |
724 | ri->request = request; | |
725 | ||
726 | g_hash_table_insert ( requests, request, NULL ); | |
727 | ||
728 | g_mutex_unlock (tp_mutex); | |
729 | ||
730 | gchar *basename = g_path_get_basename (name); | |
731 | gchar *description = g_strdup_printf ( _("Mapnik Render %d:%d:%d %s"), zoom, x, y, basename ); | |
732 | g_free ( basename ); | |
a8374fcb | 733 | a_background_thread ( BACKGROUND_POOL_LOCAL_MAPNIK, |
892a9205 RN |
734 | VIK_GTK_WINDOW_FROM_LAYER(vml), |
735 | description, | |
736 | (vik_thr_func) background, | |
737 | ri, | |
738 | (vik_thr_free_func) render_info_free, | |
739 | (vik_thr_free_func) render_cancel_cleanup, | |
740 | 1 ); | |
741 | g_free ( description ); | |
742 | } | |
743 | ||
0a25e232 RN |
744 | /** |
745 | * load_pixbuf: | |
746 | */ | |
747 | static GdkPixbuf *load_pixbuf ( VikMapnikLayer *vml, MapCoord *ulm, MapCoord *brm, gboolean *rerender ) | |
748 | { | |
749 | *rerender = FALSE; | |
750 | GdkPixbuf *pixbuf = NULL; | |
751 | gchar *filename = get_filename ( vml->file_cache_dir, ulm->x, ulm->y, ulm->scale ); | |
752 | ||
753 | GStatBuf gsb; | |
754 | if ( g_stat ( filename, &gsb ) == 0 ) { | |
755 | // Get from disk | |
756 | GError *error = NULL; | |
757 | pixbuf = gdk_pixbuf_new_from_file ( filename, &error ); | |
758 | if ( error ) { | |
759 | g_warning ("%s: %s", __FUNCTION__, error->message ); | |
760 | g_error_free ( error ); | |
761 | } | |
762 | else { | |
763 | if ( vml->alpha < 255 ) | |
764 | pixbuf = ui_pixbuf_set_alpha ( pixbuf, vml->alpha ); | |
19c3c24c | 765 | 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 |
766 | } |
767 | // If file is too old mark for rerendering | |
768 | if ( planet_import_time < gsb.st_mtime ) { | |
769 | *rerender = TRUE; | |
770 | } | |
771 | } | |
772 | g_free ( filename ); | |
773 | ||
774 | return pixbuf; | |
775 | } | |
776 | ||
5fa4fe86 RN |
777 | /** |
778 | * | |
779 | */ | |
780 | static GdkPixbuf *get_pixbuf ( VikMapnikLayer *vml, MapCoord *ulm, MapCoord *brm ) | |
781 | { | |
782 | VikCoord ul; VikCoord br; | |
892a9205 | 783 | GdkPixbuf *pixbuf = NULL; |
5fa4fe86 RN |
784 | |
785 | map_utils_iTMS_to_vikcoord (ulm, &ul); | |
786 | map_utils_iTMS_to_vikcoord (brm, &br); | |
787 | ||
788 | 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 ); | |
789 | ||
790 | if ( ! pixbuf ) { | |
0a25e232 RN |
791 | gboolean rerender = FALSE; |
792 | if ( vml->use_file_cache && vml->file_cache_dir ) | |
793 | pixbuf = load_pixbuf ( vml, ulm, brm, &rerender ); | |
794 | if ( ! pixbuf || rerender ) { | |
892a9205 RN |
795 | if ( TRUE ) |
796 | thread_add (vml, ulm, &ul, &br, ulm->x, ulm->y, ulm->z, ulm->scale, vml->filename_xml ); | |
797 | else { | |
798 | // Run in the foreground | |
799 | render ( vml, &ul, &br, ulm ); | |
800 | vik_layer_emit_update ( VIK_LAYER(vml) ); | |
801 | } | |
5fa4fe86 RN |
802 | } |
803 | } | |
804 | ||
805 | return pixbuf; | |
806 | } | |
807 | ||
808 | /** | |
809 | * | |
810 | */ | |
811 | static void mapnik_layer_draw ( VikMapnikLayer *vml, VikViewport *vvp ) | |
812 | { | |
813 | if ( !vml->loaded ) | |
814 | return; | |
815 | ||
816 | if ( vik_viewport_get_drawmode(vvp) != VIK_VIEWPORT_DRAWMODE_MERCATOR ) { | |
817 | vik_statusbar_set_message ( vik_window_get_statusbar (VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vml))), | |
818 | VIK_STATUSBAR_INFO, _("Mapnik Rendering must be in Mercator mode") ); | |
819 | return; | |
820 | } | |
821 | ||
465559f1 RN |
822 | if ( vml->mi ) { |
823 | gchar *copyright = mapnik_interface_get_copyright ( vml->mi ); | |
824 | if ( copyright ) { | |
825 | vik_viewport_add_copyright ( vvp, copyright ); | |
826 | } | |
827 | } | |
828 | ||
5fa4fe86 RN |
829 | VikCoord ul, br; |
830 | ul.mode = VIK_COORD_LATLON; | |
831 | br.mode = VIK_COORD_LATLON; | |
832 | vik_viewport_screen_to_coord ( vvp, 0, 0, &ul ); | |
833 | vik_viewport_screen_to_coord ( vvp, vik_viewport_get_width(vvp), vik_viewport_get_height(vvp), &br ); | |
834 | ||
835 | gdouble xzoom = vik_viewport_get_xmpp ( vvp ); | |
836 | gdouble yzoom = vik_viewport_get_ympp ( vvp ); | |
837 | ||
838 | MapCoord ulm, brm; | |
839 | ||
840 | if ( map_utils_vikcoord_to_iTMS ( &ul, xzoom, yzoom, &ulm ) && | |
841 | map_utils_vikcoord_to_iTMS ( &br, xzoom, yzoom, &brm ) ) { | |
842 | // TODO: Understand if tilesize != 256 does this need to use shrinkfactors?? | |
843 | GdkPixbuf *pixbuf; | |
844 | VikCoord coord; | |
845 | gint xx, yy; | |
846 | ||
847 | gint xmin = MIN(ulm.x, brm.x), xmax = MAX(ulm.x, brm.x); | |
848 | gint ymin = MIN(ulm.y, brm.y), ymax = MAX(ulm.y, brm.y); | |
849 | ||
850 | // Split rendering into a grid for the current viewport | |
851 | // thus each individual 'tile' can then be stored in the map cache | |
5fa4fe86 RN |
852 | for (gint x = xmin; x <= xmax; x++ ) { |
853 | for (gint y = ymin; y <= ymax; y++ ) { | |
854 | ulm.x = x; | |
855 | ulm.y = y; | |
856 | brm.x = x+1; | |
857 | brm.y = y+1; | |
858 | ||
859 | pixbuf = get_pixbuf ( vml, &ulm, &brm ); | |
860 | ||
861 | if ( pixbuf ) { | |
862 | map_utils_iTMS_to_vikcoord ( &ulm, &coord ); | |
863 | vik_viewport_coord_to_screen ( vvp, &coord, &xx, &yy ); | |
864 | vik_viewport_draw_pixbuf ( vvp, pixbuf, 0, 0, xx, yy, vml->tile_size_x, vml->tile_size_x ); | |
865 | } | |
866 | } | |
867 | } | |
868 | ||
869 | // Done after so drawn on top | |
870 | // Just a handy guide to tile blocks. | |
871 | if ( vik_debug && vik_verbose ) { | |
872 | GdkGC *black_gc = GTK_WIDGET(vvp)->style->black_gc; | |
873 | gint width = vik_viewport_get_width(vvp); | |
874 | gint height = vik_viewport_get_height(vvp); | |
875 | gint xx, yy; | |
876 | ulm.x = xmin; ulm.y = ymin; | |
877 | map_utils_iTMS_to_center_vikcoord ( &ulm, &coord ); | |
878 | vik_viewport_coord_to_screen ( vvp, &coord, &xx, &yy ); | |
879 | xx = xx - (vml->tile_size_x/2); | |
880 | yy = yy - (vml->tile_size_x/2); // Yes use X ATM | |
881 | for (gint x = xmin; x <= xmax; x++ ) { | |
882 | vik_viewport_draw_line ( vvp, black_gc, xx, 0, xx, height ); | |
883 | xx += vml->tile_size_x; | |
884 | } | |
885 | for (gint y = ymin; y <= ymax; y++ ) { | |
886 | vik_viewport_draw_line ( vvp, black_gc, 0, yy, width, yy ); | |
887 | yy += vml->tile_size_x; // Yes use X ATM | |
888 | } | |
889 | } | |
890 | } | |
891 | } | |
892 | ||
893 | /** | |
894 | * | |
895 | */ | |
896 | static void mapnik_layer_free ( VikMapnikLayer *vml ) | |
897 | { | |
0658c2f1 | 898 | mapnik_interface_free ( vml->mi ); |
b47af40d RN |
899 | if ( vml->filename_css ) |
900 | g_free ( vml->filename_css ); | |
5fa4fe86 RN |
901 | if ( vml->filename_xml ) |
902 | g_free ( vml->filename_xml ); | |
903 | } | |
904 | ||
905 | static VikMapnikLayer *mapnik_layer_create ( VikViewport *vp ) | |
906 | { | |
907 | return mapnik_layer_new ( vp ); | |
908 | } | |
909 | ||
910 | typedef enum { | |
911 | MA_VML = 0, | |
912 | MA_VVP, | |
913 | MA_LAST | |
914 | } menu_array_index; | |
915 | ||
916 | typedef gpointer menu_array_values[MA_LAST]; | |
917 | ||
918 | /** | |
919 | * | |
920 | */ | |
921 | static void mapnik_layer_flush_memory ( menu_array_values values ) | |
922 | { | |
923 | a_mapcache_flush_type ( MAP_ID_MAPNIK_RENDER ); | |
924 | } | |
925 | ||
c2cf0333 RN |
926 | /** |
927 | * | |
928 | */ | |
929 | static void mapnik_layer_reload ( menu_array_values values ) | |
930 | { | |
931 | VikMapnikLayer *vml = values[MA_VML]; | |
932 | VikViewport *vvp = values[MA_VVP]; | |
933 | mapnik_layer_post_read (VIK_LAYER(vml), vvp, FALSE); | |
934 | mapnik_layer_draw ( vml, vvp ); | |
935 | } | |
936 | ||
dd5122df RN |
937 | /** |
938 | * Force carto run | |
939 | * | |
940 | * Most carto projects will consist of many files | |
941 | * ATM don't have a way of detecting when any of the included files have changed | |
942 | * Thus allow a manual method to force re-running carto | |
943 | */ | |
944 | static void mapnik_layer_carto ( menu_array_values values ) | |
945 | { | |
946 | VikMapnikLayer *vml = values[MA_VML]; | |
947 | VikViewport *vvp = values[MA_VVP]; | |
948 | ||
949 | // Don't load the XML config if carto load fails | |
950 | if ( !carto_load ( vml, vvp ) ) | |
951 | return; | |
952 | ||
953 | gchar* ans = mapnik_interface_load_map_file ( vml->mi, vml->filename_xml, vml->tile_size_x, vml->tile_size_x ); | |
954 | if ( ans ) { | |
955 | a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(vvp), | |
956 | _("Mapnik error loading configuration file:\n%s"), | |
957 | ans ); | |
958 | g_free ( ans ); | |
959 | } | |
960 | else | |
961 | mapnik_layer_draw ( vml, vvp ); | |
962 | } | |
963 | ||
581feeec RN |
964 | /** |
965 | * Show Mapnik configuration parameters | |
966 | */ | |
967 | static void mapnik_layer_information ( menu_array_values values ) | |
968 | { | |
969 | VikMapnikLayer *vml = values[MA_VML]; | |
970 | if ( !vml->mi ) | |
971 | return; | |
972 | GArray *array = mapnik_interface_get_parameters( vml->mi ); | |
973 | if ( array->len ) { | |
974 | a_dialog_list ( VIK_GTK_WINDOW_FROM_LAYER(vml), _("Mapnik Information"), array, 1 ); | |
975 | // Free the copied strings | |
976 | for ( int i = 0; i < array->len; i++ ) | |
977 | g_free ( g_array_index(array,gchar*,i) ); | |
978 | } | |
979 | g_array_free ( array, FALSE ); | |
980 | } | |
981 | ||
c064c64c RN |
982 | /** |
983 | * | |
984 | */ | |
985 | static void mapnik_layer_about ( menu_array_values values ) | |
986 | { | |
987 | VikMapnikLayer *vml = values[MA_VML]; | |
988 | gchar *msg = mapnik_interface_about(); | |
989 | a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_LAYER(vml), msg ); | |
990 | g_free ( msg ); | |
991 | } | |
992 | ||
5fa4fe86 RN |
993 | /** |
994 | * | |
995 | */ | |
996 | static void mapnik_layer_add_menu_items ( VikMapnikLayer *vml, GtkMenu *menu, gpointer vlp ) | |
997 | { | |
998 | static menu_array_values values; | |
999 | values[MA_VML] = vml; | |
1000 | values[MA_VVP] = vik_layers_panel_get_viewport( VIK_LAYERS_PANEL(vlp) ); | |
1001 | ||
1002 | GtkWidget *item = gtk_menu_item_new(); | |
1003 | gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item ); | |
1004 | gtk_widget_show ( item ); | |
1005 | ||
1006 | // Typical users shouldn't need to use this functionality - so debug only ATM | |
1007 | if ( vik_debug ) { | |
1008 | item = gtk_image_menu_item_new_with_mnemonic ( _("_Flush Memory Cache") ); | |
1009 | gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU) ); | |
1010 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_flush_memory), values ); | |
1011 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
1012 | gtk_widget_show ( item ); | |
1013 | } | |
c064c64c | 1014 | |
c2cf0333 RN |
1015 | item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_REFRESH, NULL ); |
1016 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_reload), values ); | |
1017 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
1018 | gtk_widget_show ( item ); | |
1019 | ||
dd5122df RN |
1020 | if ( g_strcmp0 ("", vml->filename_css) ) { |
1021 | item = gtk_image_menu_item_new_with_mnemonic ( _("_Run Carto Command") ); | |
1022 | gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_EXECUTE, GTK_ICON_SIZE_MENU) ); | |
1023 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_carto), values ); | |
1024 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
1025 | gtk_widget_show ( item ); | |
1026 | } | |
1027 | ||
581feeec RN |
1028 | item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_INFO, NULL ); |
1029 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_information), values ); | |
1030 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
1031 | gtk_widget_show ( item ); | |
1032 | ||
c064c64c RN |
1033 | item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_ABOUT, NULL ); |
1034 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_about), values ); | |
1035 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); | |
1036 | gtk_widget_show ( item ); | |
5fa4fe86 | 1037 | } |
93eac03d RN |
1038 | |
1039 | /** | |
1040 | * Rerender a specific tile | |
1041 | */ | |
1042 | static void mapnik_layer_rerender ( VikMapnikLayer *vml ) | |
1043 | { | |
1044 | MapCoord ulm; | |
1045 | // Requested position to map coord | |
1046 | map_utils_vikcoord_to_iTMS ( &vml->rerender_ul, vml->rerender_zoom, vml->rerender_zoom, &ulm ); | |
1047 | // Reconvert back - thus getting the coordinate at the tile *ul corner* | |
1048 | map_utils_iTMS_to_vikcoord (&ulm, &vml->rerender_ul ); | |
1049 | // Bottom right bound is simply +1 in TMS coords | |
1050 | MapCoord brm = ulm; | |
1051 | brm.x = brm.x+1; | |
1052 | brm.y = brm.y+1; | |
1053 | map_utils_iTMS_to_vikcoord (&brm, &vml->rerender_br ); | |
1054 | thread_add (vml, &ulm, &vml->rerender_ul, &vml->rerender_br, ulm.x, ulm.y, ulm.z, ulm.scale, vml->filename_xml ); | |
1055 | } | |
1056 | ||
2d621d52 RN |
1057 | /** |
1058 | * Info | |
1059 | */ | |
1060 | static void mapnik_layer_tile_info ( VikMapnikLayer *vml ) | |
1061 | { | |
1062 | MapCoord ulm; | |
1063 | // Requested position to map coord | |
1064 | map_utils_vikcoord_to_iTMS ( &vml->rerender_ul, vml->rerender_zoom, vml->rerender_zoom, &ulm ); | |
1065 | ||
1066 | 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 ); | |
1067 | ||
1068 | gchar *filename = get_filename ( vml->file_cache_dir, ulm.x, ulm.y, ulm.scale ); | |
1069 | gchar *filemsg = NULL; | |
1070 | gchar *timemsg = NULL; | |
1071 | ||
1072 | if ( g_file_test ( filename, G_FILE_TEST_EXISTS ) ) { | |
1073 | filemsg = g_strconcat ( "Tile File: ", filename, NULL ); | |
1074 | // Get some timestamp information of the tile | |
1075 | struct stat stat_buf; | |
1076 | if ( g_stat ( filename, &stat_buf ) == 0 ) { | |
1077 | gchar time_buf[64]; | |
1078 | strftime ( time_buf, sizeof(time_buf), "%c", gmtime((const time_t *)&stat_buf.st_mtime) ); | |
1079 | timemsg = g_strdup_printf ( _("Tile File Timestamp: %s"), time_buf ); | |
1080 | } | |
1081 | else { | |
1082 | timemsg = g_strdup ( _("Tile File Timestamp: Not Available") ); | |
1083 | } | |
1084 | } | |
1085 | else { | |
1086 | filemsg = g_strdup_printf ( "Tile File: %s [Not Available]", filename ); | |
1087 | timemsg = g_strdup(""); | |
1088 | } | |
1089 | ||
1090 | GArray *array = g_array_new (FALSE, TRUE, sizeof(gchar*)); | |
1091 | g_array_append_val ( array, filemsg ); | |
1092 | g_array_append_val ( array, timemsg ); | |
1093 | ||
1094 | gchar *rendmsg = NULL; | |
1095 | // Show the info | |
1096 | if ( extra.duration > 0.0 ) { | |
1097 | rendmsg = g_strdup_printf ( _("Rendering time %.2f seconds"), extra.duration ); | |
1098 | g_array_append_val ( array, rendmsg ); | |
1099 | } | |
1100 | ||
1101 | a_dialog_list ( VIK_GTK_WINDOW_FROM_LAYER(vml), _("Tile Information"), array, 5 ); | |
1102 | g_array_free ( array, FALSE ); | |
1103 | ||
1104 | g_free ( rendmsg ); | |
1105 | g_free ( timemsg ); | |
1106 | g_free ( filemsg ); | |
1107 | g_free ( filename ); | |
1108 | } | |
1109 | ||
93eac03d RN |
1110 | static gboolean mapnik_feature_release ( VikMapnikLayer *vml, GdkEventButton *event, VikViewport *vvp ) |
1111 | { | |
1112 | if ( !vml ) | |
1113 | return FALSE; | |
1114 | if ( event->button == 3 ) { | |
1115 | vik_viewport_screen_to_coord ( vvp, MAX(0, event->x), MAX(0, event->y), &vml->rerender_ul ); | |
1116 | vml->rerender_zoom = vik_viewport_get_zoom ( vvp ); | |
1117 | ||
1118 | if ( ! vml->right_click_menu ) { | |
1119 | GtkWidget *item; | |
1120 | vml->right_click_menu = gtk_menu_new (); | |
1121 | ||
1122 | item = gtk_image_menu_item_new_with_mnemonic ( _("_Rerender Tile") ); | |
1123 | gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REFRESH, GTK_ICON_SIZE_MENU) ); | |
1124 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_rerender), vml ); | |
1125 | gtk_menu_shell_append ( GTK_MENU_SHELL(vml->right_click_menu), item ); | |
2d621d52 RN |
1126 | |
1127 | item = gtk_image_menu_item_new_with_mnemonic ( _("_Info") ); | |
1128 | gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_INFO, GTK_ICON_SIZE_MENU) ); | |
1129 | g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_tile_info), vml ); | |
1130 | gtk_menu_shell_append ( GTK_MENU_SHELL(vml->right_click_menu), item ); | |
93eac03d RN |
1131 | } |
1132 | ||
1133 | gtk_menu_popup ( GTK_MENU(vml->right_click_menu), NULL, NULL, NULL, NULL, event->button, event->time ); | |
1134 | gtk_widget_show_all ( GTK_WIDGET(vml->right_click_menu) ); | |
1135 | } | |
1136 | ||
1137 | return FALSE; | |
1138 | } |