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1 /** \file
2 * SPIcon: Generic icon widget
3 */
4 /*
5 * Author:
6 * Lauris Kaplinski <lauris@kaplinski.com>
7 * Jon A. Cruz <jon@joncruz.org>
8 * Abhishek Sharma
9 *
10 * Copyright (C) 2002 Lauris Kaplinski
11 *
12 * Released under GNU GPL, read the file 'COPYING' for more information
13 */
15 #ifdef HAVE_CONFIG_H
16 # include "config.h"
17 #endif
19 #include <cstring>
20 #include <glib/gmem.h>
21 #include <glib/gstdio.h>
22 #include <gtk/gtk.h>
23 #include <gtkmm.h>
24 #include <gdkmm/pixbuf.h>
26 #include "path-prefix.h"
27 #include "preferences.h"
28 #include "inkscape.h"
29 #include "document.h"
30 #include "sp-item.h"
31 #include "display/nr-arena.h"
32 #include "display/nr-arena-item.h"
33 #include "io/sys.h"
35 #include "icon.h"
37 static gboolean icon_prerender_task(gpointer data);
39 static void addPreRender( GtkIconSize lsize, gchar const *name );
41 static void sp_icon_class_init(SPIconClass *klass);
42 static void sp_icon_init(SPIcon *icon);
43 static void sp_icon_dispose(GObject *object);
45 static void sp_icon_reset(SPIcon *icon);
46 static void sp_icon_clear(SPIcon *icon);
48 static void sp_icon_size_request(GtkWidget *widget, GtkRequisition *requisition);
49 static void sp_icon_size_allocate(GtkWidget *widget, GtkAllocation *allocation);
50 static int sp_icon_expose(GtkWidget *widget, GdkEventExpose *event);
52 static void sp_icon_paint(SPIcon *icon, GdkRectangle const *area);
54 static void sp_icon_screen_changed( GtkWidget *widget, GdkScreen *previous_screen );
55 static void sp_icon_style_set( GtkWidget *widget, GtkStyle *previous_style );
56 static void sp_icon_theme_changed( SPIcon *icon );
58 static GdkPixbuf *sp_icon_image_load_pixmap(gchar const *name, unsigned lsize, unsigned psize);
59 static GdkPixbuf *sp_icon_image_load_svg(std::list<Glib::ustring> const &names, GtkIconSize lsize, unsigned psize);
61 static void sp_icon_overlay_pixels( guchar *px, int width, int height, int stride,
62 unsigned r, unsigned g, unsigned b );
64 static void injectCustomSize();
66 static GtkWidgetClass *parent_class;
68 static bool sizeDirty = true;
70 static bool sizeMapDone = false;
71 static GtkIconSize iconSizeLookup[] = {
72 GTK_ICON_SIZE_INVALID,
73 GTK_ICON_SIZE_MENU,
74 GTK_ICON_SIZE_SMALL_TOOLBAR,
75 GTK_ICON_SIZE_LARGE_TOOLBAR,
76 GTK_ICON_SIZE_BUTTON,
77 GTK_ICON_SIZE_DND,
78 GTK_ICON_SIZE_DIALOG,
79 GTK_ICON_SIZE_MENU, // for Inkscape::ICON_SIZE_DECORATION
80 };
82 static std::map<Glib::ustring, Glib::ustring> legacyNames;
84 class IconCacheItem
85 {
86 public:
87 IconCacheItem( GtkIconSize lsize, GdkPixbuf* pb ) :
88 _lsize( lsize ),
89 _pb( pb )
90 {}
91 GtkIconSize _lsize;
92 GdkPixbuf* _pb;
93 };
95 static std::map<Glib::ustring, std::vector<IconCacheItem> > iconSetCache;
96 static std::set<Glib::ustring> internalNames;
98 GType
99 sp_icon_get_type()
100 {
101 static GType type = 0;
102 if (!type) {
103 GTypeInfo info = {
104 sizeof(SPIconClass),
105 NULL,
106 NULL,
107 (GClassInitFunc) sp_icon_class_init,
108 NULL,
109 NULL,
110 sizeof(SPIcon),
111 0,
112 (GInstanceInitFunc) sp_icon_init,
113 NULL
114 };
115 type = g_type_register_static(GTK_TYPE_WIDGET, "SPIcon", &info, (GTypeFlags)0);
116 }
117 return type;
118 }
120 static void
121 sp_icon_class_init(SPIconClass *klass)
122 {
123 GObjectClass *object_class;
124 GtkWidgetClass *widget_class;
126 object_class = (GObjectClass *) klass;
127 widget_class = (GtkWidgetClass *) klass;
129 parent_class = (GtkWidgetClass*)g_type_class_peek_parent(klass);
131 object_class->dispose = sp_icon_dispose;
133 widget_class->size_request = sp_icon_size_request;
134 widget_class->size_allocate = sp_icon_size_allocate;
135 widget_class->expose_event = sp_icon_expose;
136 widget_class->screen_changed = sp_icon_screen_changed;
137 widget_class->style_set = sp_icon_style_set;
138 }
141 static void
142 sp_icon_init(SPIcon *icon)
143 {
144 GTK_WIDGET_FLAGS(icon) |= GTK_NO_WINDOW;
145 icon->lsize = Inkscape::ICON_SIZE_BUTTON;
146 icon->psize = 0;
147 icon->name = 0;
148 icon->pb = 0;
149 }
151 static void
152 sp_icon_dispose(GObject *object)
153 {
154 SPIcon *icon = SP_ICON(object);
155 sp_icon_clear(icon);
156 if ( icon->name ) {
157 g_free( icon->name );
158 icon->name = 0;
159 }
161 ((GObjectClass *) (parent_class))->dispose(object);
162 }
164 static void sp_icon_reset( SPIcon *icon ) {
165 icon->psize = 0;
166 sp_icon_clear(icon);
167 }
169 static void sp_icon_clear( SPIcon *icon ) {
170 if (icon->pb) {
171 g_object_unref(G_OBJECT(icon->pb));
172 icon->pb = NULL;
173 }
174 }
176 static void
177 sp_icon_size_request(GtkWidget *widget, GtkRequisition *requisition)
178 {
179 SPIcon const *icon = SP_ICON(widget);
181 int const size = ( icon->psize
182 ? icon->psize
183 : sp_icon_get_phys_size(icon->lsize) );
184 requisition->width = size;
185 requisition->height = size;
186 }
188 static void
189 sp_icon_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
190 {
191 widget->allocation = *allocation;
193 if (GTK_WIDGET_DRAWABLE(widget)) {
194 gtk_widget_queue_draw(widget);
195 }
196 }
198 static int sp_icon_expose(GtkWidget *widget, GdkEventExpose *event)
199 {
200 if ( GTK_WIDGET_DRAWABLE(widget) ) {
201 SPIcon *icon = SP_ICON(widget);
202 if ( !icon->pb ) {
203 sp_icon_fetch_pixbuf( icon );
204 }
206 sp_icon_paint(SP_ICON(widget), &event->area);
207 }
209 return TRUE;
210 }
212 static GdkPixbuf* renderup( gchar const* name, Inkscape::IconSize lsize, unsigned psize );
214 // PUBLIC CALL:
215 void sp_icon_fetch_pixbuf( SPIcon *icon )
216 {
217 if ( icon ) {
218 if ( !icon->pb ) {
219 icon->psize = sp_icon_get_phys_size(icon->lsize);
220 icon->pb = renderup(icon->name, icon->lsize, icon->psize);
221 }
222 }
223 }
225 GdkPixbuf* renderup( gchar const* name, Inkscape::IconSize lsize, unsigned psize ) {
226 GtkIconTheme *theme = gtk_icon_theme_get_default();
228 GdkPixbuf *pb = 0;
229 if (gtk_icon_theme_has_icon(theme, name)) {
230 pb = gtk_icon_theme_load_icon(theme, name, psize, (GtkIconLookupFlags) 0, NULL);
231 }
232 if (!pb) {
233 std::list<Glib::ustring> names;
234 names.push_back(name);
235 if ( legacyNames.find(name) != legacyNames.end() ) {
236 if ( Inkscape::Preferences::get()->getBool("/debug/icons/dumpSvg") ) {
237 g_message("Checking fallback [%s]->[%s]", name, legacyNames[name].c_str());
238 }
239 names.push_back(legacyNames[name]);
240 }
242 pb = sp_icon_image_load_svg( names, Inkscape::getRegisteredIconSize(lsize), psize );
244 // if this was loaded from SVG, add it as a builtin icon
245 if (pb) {
246 gtk_icon_theme_add_builtin_icon(name, psize, pb);
247 }
248 }
249 if (!pb) {
250 pb = sp_icon_image_load_pixmap( name, lsize, psize );
251 }
252 if ( !pb ) {
253 // TODO: We should do something more useful if we can't load the image.
254 g_warning ("failed to load icon '%s'", name);
255 }
256 return pb;
257 }
259 static void sp_icon_screen_changed( GtkWidget *widget, GdkScreen *previous_screen )
260 {
261 if ( GTK_WIDGET_CLASS( parent_class )->screen_changed ) {
262 GTK_WIDGET_CLASS( parent_class )->screen_changed( widget, previous_screen );
263 }
264 SPIcon *icon = SP_ICON(widget);
265 sp_icon_theme_changed(icon);
266 }
268 static void sp_icon_style_set( GtkWidget *widget, GtkStyle *previous_style )
269 {
270 if ( GTK_WIDGET_CLASS( parent_class )->style_set ) {
271 GTK_WIDGET_CLASS( parent_class )->style_set( widget, previous_style );
272 }
273 SPIcon *icon = SP_ICON(widget);
274 sp_icon_theme_changed(icon);
275 }
277 static void sp_icon_theme_changed( SPIcon *icon )
278 {
279 bool const dump = Inkscape::Preferences::get()->getBool("/debug/icons/dumpSvg");
280 if ( dump ) {
281 g_message("Got a change bump for this icon");
282 }
283 sizeDirty = true;
284 sp_icon_reset(icon);
285 gtk_widget_queue_draw( GTK_WIDGET(icon) );
286 }
289 static void imageMapCB(GtkWidget* widget, gpointer user_data);
290 static void imageMapNamedCB(GtkWidget* widget, gpointer user_data);
291 static bool prerender_icon(gchar const *name, GtkIconSize lsize, unsigned psize);
292 static Glib::ustring icon_cache_key(Glib::ustring const &name, unsigned psize);
293 static GdkPixbuf *get_cached_pixbuf(Glib::ustring const &key);
295 static void setupLegacyNaming() {
296 legacyNames["document-import"] ="file_import";
297 legacyNames["document-export"] ="file_export";
298 legacyNames["document-import-ocal"] ="ocal_import";
299 legacyNames["document-export-ocal"] ="ocal_export";
300 legacyNames["document-metadata"] ="document_metadata";
301 legacyNames["dialog-input-devices"] ="input_devices";
302 legacyNames["edit-duplicate"] ="edit_duplicate";
303 legacyNames["edit-clone"] ="edit_clone";
304 legacyNames["edit-clone-unlink"] ="edit_unlink_clone";
305 legacyNames["edit-select-original"] ="edit_select_original";
306 legacyNames["edit-undo-history"] ="edit_undo_history";
307 legacyNames["edit-paste-in-place"] ="selection_paste_in_place";
308 legacyNames["edit-paste-style"] ="selection_paste_style";
309 legacyNames["selection-make-bitmap-copy"] ="selection_bitmap";
310 legacyNames["edit-select-all"] ="selection_select_all";
311 legacyNames["edit-select-all-layers"] ="selection_select_all_in_all_layers";
312 legacyNames["edit-select-invert"] ="selection_invert";
313 legacyNames["edit-select-none"] ="selection_deselect";
314 legacyNames["dialog-xml-editor"] ="xml_editor";
315 legacyNames["zoom-original"] ="zoom_1_to_1";
316 legacyNames["zoom-half-size"] ="zoom_1_to_2";
317 legacyNames["zoom-double-size"] ="zoom_2_to_1";
318 legacyNames["zoom-fit-selection"] ="zoom_select";
319 legacyNames["zoom-fit-drawing"] ="zoom_draw";
320 legacyNames["zoom-fit-page"] ="zoom_page";
321 legacyNames["zoom-fit-width"] ="zoom_pagewidth";
322 legacyNames["zoom-previous"] ="zoom_previous";
323 legacyNames["zoom-next"] ="zoom_next";
324 legacyNames["zoom-in"] ="zoom_in";
325 legacyNames["zoom-out"] ="zoom_out";
326 legacyNames["show-grid"] ="grid";
327 legacyNames["show-guides"] ="guides";
328 legacyNames["color-management"] ="color_management";
329 legacyNames["show-dialogs"] ="dialog_toggle";
330 legacyNames["dialog-messages"] ="messages";
331 legacyNames["dialog-scripts"] ="scripts";
332 legacyNames["window-previous"] ="window_previous";
333 legacyNames["window-next"] ="window_next";
334 legacyNames["dialog-icon-preview"] ="view_icon_preview";
335 legacyNames["window-new"] ="view_new";
336 legacyNames["view-fullscreen"] ="fullscreen";
337 legacyNames["layer-new"] ="new_layer";
338 legacyNames["layer-rename"] ="rename_layer";
339 legacyNames["layer-previous"] ="switch_to_layer_above";
340 legacyNames["layer-next"] ="switch_to_layer_below";
341 legacyNames["selection-move-to-layer-above"] ="move_selection_above";
342 legacyNames["selection-move-to-layer-below"] ="move_selection_below";
343 legacyNames["layer-raise"] ="raise_layer";
344 legacyNames["layer-lower"] ="lower_layer";
345 legacyNames["layer-top"] ="layer_to_top";
346 legacyNames["layer-bottom"] ="layer_to_bottom";
347 legacyNames["layer-delete"] ="delete_layer";
348 legacyNames["dialog-layers"] ="layers";
349 legacyNames["dialog-fill-and-stroke"] ="fill_and_stroke";
350 legacyNames["dialog-object-properties"] ="dialog_item_properties";
351 legacyNames["object-group"] ="selection_group";
352 legacyNames["object-ungroup"] ="selection_ungroup";
353 legacyNames["selection-raise"] ="selection_up";
354 legacyNames["selection-lower"] ="selection_down";
355 legacyNames["selection-top"] ="selection_top";
356 legacyNames["selection-bottom"] ="selection_bot";
357 legacyNames["object-rotate-left"] ="object_rotate_90_CCW";
358 legacyNames["object-rotate-right"] ="object_rotate_90_CW";
359 legacyNames["object-flip-horizontal"] ="object_flip_hor";
360 legacyNames["object-flip-vertical"] ="object_flip_ver";
361 legacyNames["dialog-transform"] ="object_trans";
362 legacyNames["dialog-align-and-distribute"] ="object_align";
363 legacyNames["dialog-rows-and-columns"] ="grid_arrange";
364 legacyNames["object-to-path"] ="object_tocurve";
365 legacyNames["stroke-to-path"] ="stroke_tocurve";
366 legacyNames["bitmap-trace"] ="selection_trace";
367 legacyNames["path-union"] ="union";
368 legacyNames["path-difference"] ="difference";
369 legacyNames["path-intersection"] ="intersection";
370 legacyNames["path-exclusion"] ="exclusion";
371 legacyNames["path-division"] ="division";
372 legacyNames["path-cut"] ="cut_path";
373 legacyNames["path-combine"] ="selection_combine";
374 legacyNames["path-break-apart"] ="selection_break";
375 legacyNames["path-outset"] ="outset_path";
376 legacyNames["path-inset"] ="inset_path";
377 legacyNames["path-offset-dynamic"] ="dynamic_offset";
378 legacyNames["path-offset-linked"] ="linked_offset";
379 legacyNames["path-simplify"] ="simplify";
380 legacyNames["path-reverse"] ="selection_reverse";
381 legacyNames["dialog-text-and-font"] ="object_font";
382 legacyNames["text-put-on-path"] ="put_on_path";
383 legacyNames["text-remove-from-path"] ="remove_from_path";
384 legacyNames["text-flow-into-frame"] ="flow_into_frame";
385 legacyNames["text-unflow"] ="unflow";
386 legacyNames["text-convert-to-regular"] ="convert_to_text";
387 legacyNames["text-unkern"] ="remove_manual_kerns";
388 legacyNames["help-keyboard-shortcuts"] ="help_keys";
389 legacyNames["help-contents"] ="help_tutorials";
390 legacyNames["inkscape-logo"] ="inkscape_options";
391 legacyNames["dialog-memory"] ="about_memory";
392 legacyNames["tool-pointer"] ="draw_select";
393 legacyNames["tool-node-editor"] ="draw_node";
394 legacyNames["tool-tweak"] ="draw_tweak";
395 legacyNames["zoom"] ="draw_zoom";
396 legacyNames["draw-rectangle"] ="draw_rect";
397 legacyNames["draw-cuboid"] ="draw_3dbox";
398 legacyNames["draw-ellipse"] ="draw_arc";
399 legacyNames["draw-polygon-star"] ="draw_star";
400 legacyNames["draw-spiral"] ="draw_spiral";
401 legacyNames["draw-freehand"] ="draw_freehand";
402 legacyNames["draw-path"] ="draw_pen";
403 legacyNames["draw-calligraphic"] ="draw_calligraphic";
404 legacyNames["draw-eraser"] ="draw_erase";
405 legacyNames["color-fill"] ="draw_paintbucket";
406 legacyNames["draw-text"] ="draw_text";
407 legacyNames["draw-connector"] ="draw_connector";
408 legacyNames["color-gradient"] ="draw_gradient";
409 legacyNames["color-picker"] ="draw_dropper";
410 legacyNames["transform-affect-stroke"] ="transform_stroke";
411 legacyNames["transform-affect-rounded-corners"] ="transform_corners";
412 legacyNames["transform-affect-gradient"] ="transform_gradient";
413 legacyNames["transform-affect-pattern"] ="transform_pattern";
414 legacyNames["node-add"] ="node_insert";
415 legacyNames["node-delete"] ="node_delete";
416 legacyNames["node-join"] ="node_join";
417 legacyNames["node-break"] ="node_break";
418 legacyNames["node-join-segment"] ="node_join_segment";
419 legacyNames["node-delete-segment"] ="node_delete_segment";
420 legacyNames["node-type-cusp"] ="node_cusp";
421 legacyNames["node-type-smooth"] ="node_smooth";
422 legacyNames["node-type-symmetric"] ="node_symmetric";
423 legacyNames["node-type-auto-smooth"] ="node_auto";
424 legacyNames["node-segment-curve"] ="node_curve";
425 legacyNames["node-segment-line"] ="node_line";
426 legacyNames["show-node-handles"] ="nodes_show_handles";
427 legacyNames["path-effect-parameter-next"] ="edit_next_parameter";
428 legacyNames["show-path-outline"] ="nodes_show_helperpath";
429 legacyNames["path-clip-edit"] ="nodeedit-clippath";
430 legacyNames["path-mask-edit"] ="nodeedit-mask";
431 legacyNames["node-type-cusp"] ="node_cusp";
432 legacyNames["object-tweak-push"] ="tweak_move_mode";
433 legacyNames["object-tweak-attract"] ="tweak_move_mode_inout";
434 legacyNames["object-tweak-randomize"] ="tweak_move_mode_jitter";
435 legacyNames["object-tweak-shrink"] ="tweak_scale_mode";
436 legacyNames["object-tweak-rotate"] ="tweak_rotate_mode";
437 legacyNames["object-tweak-duplicate"] ="tweak_moreless_mode";
438 legacyNames["object-tweak-push"] ="tweak_move_mode";
439 legacyNames["path-tweak-push"] ="tweak_push_mode";
440 legacyNames["path-tweak-shrink"] ="tweak_shrink_mode";
441 legacyNames["path-tweak-attract"] ="tweak_attract_mode";
442 legacyNames["path-tweak-roughen"] ="tweak_roughen_mode";
443 legacyNames["object-tweak-paint"] ="tweak_colorpaint_mode";
444 legacyNames["object-tweak-jitter-color"] ="tweak_colorjitter_mode";
445 legacyNames["object-tweak-blur"] ="tweak_blur_mode";
446 legacyNames["rectangle-make-corners-sharp"] ="squared_corner";
447 legacyNames["perspective-parallel"] ="toggle_vp_x";
448 legacyNames["draw-ellipse-whole"] ="reset_circle";
449 legacyNames["draw-ellipse-segment"] ="circle_closed_arc";
450 legacyNames["draw-ellipse-arc"] ="circle_open_arc";
451 legacyNames["draw-polygon"] ="star_flat";
452 legacyNames["draw-star"] ="star_angled";
453 legacyNames["path-mode-bezier"] ="bezier_mode";
454 legacyNames["path-mode-spiro"] ="spiro_splines_mode";
455 legacyNames["path-mode-polyline"] ="polylines_mode";
456 legacyNames["path-mode-polyline-paraxial"] ="paraxial_lines_mode";
457 legacyNames["draw-use-tilt"] ="guse_tilt";
458 legacyNames["draw-use-pressure"] ="guse_pressure";
459 legacyNames["draw-trace-background"] ="trace_background";
460 legacyNames["draw-eraser-delete-objects"] ="delete_object";
461 legacyNames["format-text-direction-vertical"] ="writing_mode_tb";
462 legacyNames["format-text-direction-horizontal"] ="writing_mode_lr";
463 legacyNames["connector-avoid"] ="connector_avoid";
464 legacyNames["connector-ignore"] ="connector_ignore";
465 legacyNames["object-fill"] ="controls_fill";
466 legacyNames["object-stroke"] ="controls_stroke";
467 legacyNames["snap"] ="toggle_snap_global";
468 legacyNames["snap-bounding-box"] ="toggle_snap_bbox";
469 legacyNames["snap-bounding-box-edges"] ="toggle_snap_to_bbox_path";
470 legacyNames["snap-bounding-box-corners"] ="toggle_snap_to_bbox_node";
471 legacyNames["snap-bounding-box-midpoints"] ="toggle_snap_to_bbox_edge_midpoints";
472 legacyNames["snap-bounding-box-center"] ="toggle_snap_to_bbox_midpoints";
473 legacyNames["snap-nodes"] ="toggle_snap_nodes";
474 legacyNames["snap-nodes-path"] ="toggle_snap_to_paths";
475 legacyNames["snap-nodes-cusp"] ="toggle_snap_to_nodes";
476 legacyNames["snap-nodes-smooth"] ="toggle_snap_to_smooth_nodes";
477 legacyNames["snap-nodes-midpoint"] ="toggle_snap_to_midpoints";
478 legacyNames["snap-nodes-intersection"] ="toggle_snap_to_path_intersections";
479 legacyNames["snap-nodes-center"] ="toggle_snap_to_bbox_midpoints-3";
480 legacyNames["snap-nodes-rotation-center"] ="toggle_snap_center";
481 legacyNames["snap-page"] ="toggle_snap_page_border";
482 legacyNames["snap-grid-guide-intersections"] ="toggle_snap_grid_guide_intersections";
483 legacyNames["align-horizontal-right-to-anchor"] ="al_left_out";
484 legacyNames["align-horizontal-left"] ="al_left_in";
485 legacyNames["align-horizontal-center"] ="al_center_hor";
486 legacyNames["align-horizontal-right"] ="al_right_in";
487 legacyNames["align-horizontal-left-to-anchor"] ="al_right_out";
488 legacyNames["align-horizontal-baseline"] ="al_baselines_vert";
489 legacyNames["align-vertical-bottom-to-anchor"] ="al_top_out";
490 legacyNames["align-vertical-top"] ="al_top_in";
491 legacyNames["align-vertical-center"] ="al_center_ver";
492 legacyNames["align-vertical-bottom"] ="al_bottom_in";
493 legacyNames["align-vertical-top-to-anchor"] ="al_bottom_out";
494 legacyNames["align-vertical-baseline"] ="al_baselines_hor";
495 legacyNames["distribute-horizontal-left"] ="distribute_left";
496 legacyNames["distribute-horizontal-center"] ="distribute_hcentre";
497 legacyNames["distribute-horizontal-right"] ="distribute_right";
498 legacyNames["distribute-horizontal-baseline"] ="distribute_baselines_hor";
499 legacyNames["distribute-vertical-bottom"] ="distribute_bottom";
500 legacyNames["distribute-vertical-center"] ="distribute_vcentre";
501 legacyNames["distribute-vertical-top"] ="distribute_top";
502 legacyNames["distribute-vertical-baseline"] ="distribute_baselines_vert";
503 legacyNames["distribute-randomize"] ="distribute_randomize";
504 legacyNames["distribute-unclump"] ="unclump";
505 legacyNames["distribute-graph"] ="graph_layout";
506 legacyNames["distribute-graph-directed"] ="directed_graph";
507 legacyNames["distribute-remove-overlaps"] ="remove_overlaps";
508 legacyNames["align-horizontal-node"] ="node_valign";
509 legacyNames["align-vertical-node"] ="node_halign";
510 legacyNames["distribute-vertical-node"] ="node_vdistribute";
511 legacyNames["distribute-horizontal-node"] ="node_hdistribute";
512 legacyNames["xml-element-new"] ="add_xml_element_node";
513 legacyNames["xml-text-new"] ="add_xml_text_node";
514 legacyNames["xml-node-delete"] ="delete_xml_node";
515 legacyNames["xml-node-duplicate"] ="duplicate_xml_node";
516 legacyNames["xml-attribute-delete"] ="delete_xml_attribute";
517 legacyNames["transform-move-horizontal"] ="arrows_hor";
518 legacyNames["transform-move-vertical"] ="arrows_ver";
519 legacyNames["transform-scale-horizontal"] ="transform_scale_hor";
520 legacyNames["transform-scale-vertical"] ="transform_scale_ver";
521 legacyNames["transform-skew-horizontal"] ="transform_scew_hor";
522 legacyNames["transform-skew-vertical"] ="transform_scew_ver";
523 legacyNames["object-fill"] ="properties_fill";
524 legacyNames["object-stroke"] ="properties_stroke_paint";
525 legacyNames["object-stroke-style"] ="properties_stroke";
526 legacyNames["paint-none"] ="fill_none";
527 legacyNames["paint-solid"] ="fill_solid";
528 legacyNames["paint-gradient-linear"] ="fill_gradient";
529 legacyNames["paint-gradient-radial"] ="fill_radial";
530 legacyNames["paint-pattern"] ="fill_pattern";
531 legacyNames["paint-unknown"] ="fill_unset";
532 legacyNames["fill-rule-even-odd"] ="fillrule_evenodd";
533 legacyNames["fill-rule-nonzero"] ="fillrule_nonzero";
534 legacyNames["stroke-join-miter"] ="join_miter";
535 legacyNames["stroke-join-bevel"] ="join_bevel";
536 legacyNames["stroke-join-round"] ="join_round";
537 legacyNames["stroke-cap-butt"] ="cap_butt";
538 legacyNames["stroke-cap-square"] ="cap_square";
539 legacyNames["stroke-cap-round"] ="cap_round";
540 legacyNames["guides"] ="guide";
541 legacyNames["grid-rectangular"] ="grid_xy";
542 legacyNames["grid-axonometric"] ="grid_axonom";
543 legacyNames["object-visible"] ="visible";
544 legacyNames["object-hidden"] ="hidden";
545 legacyNames["object-unlocked"] ="lock_unlocked";
546 legacyNames["object-locked"] ="width_height_lock";
547 legacyNames["zoom"] ="sticky_zoom";
548 }
550 static GtkWidget *sp_icon_new_full( Inkscape::IconSize lsize, gchar const *name )
551 {
552 static bool dump = Inkscape::Preferences::get()->getBool("/debug/icons/dumpGtk");
554 GtkWidget *widget = 0;
555 gint trySize = CLAMP( static_cast<gint>(lsize), 0, static_cast<gint>(G_N_ELEMENTS(iconSizeLookup) - 1) );
556 if ( !sizeMapDone ) {
557 injectCustomSize();
558 }
559 GtkIconSize mappedSize = iconSizeLookup[trySize];
561 GtkStockItem stock;
562 gboolean stockFound = gtk_stock_lookup( name, &stock );
564 GtkWidget *img = 0;
565 if ( legacyNames.empty() ) {
566 setupLegacyNaming();
567 }
569 if ( stockFound ) {
570 img = gtk_image_new_from_stock( name, mappedSize );
571 } else {
572 img = gtk_image_new_from_icon_name( name, mappedSize );
573 if ( dump ) {
574 g_message("gtk_image_new_from_icon_name( '%s', %d ) = %p", name, mappedSize, img);
575 GtkImageType thing = gtk_image_get_storage_type(GTK_IMAGE(img));
576 g_message(" Type is %d %s", (int)thing, (thing == GTK_IMAGE_EMPTY ? "Empty" : "ok"));
577 }
578 }
580 if ( img ) {
581 GtkImageType type = gtk_image_get_storage_type( GTK_IMAGE(img) );
582 if ( type == GTK_IMAGE_STOCK ) {
583 if ( !stockFound ) {
584 // It's not showing as a stock ID, so assume it will be present internally
585 addPreRender( mappedSize, name );
587 // Add a hook to render if set visible before prerender is done.
588 g_signal_connect( G_OBJECT(img), "map", G_CALLBACK(imageMapCB), GINT_TO_POINTER(static_cast<int>(mappedSize)) );
589 if ( dump ) {
590 g_message(" connecting %p for imageMapCB for [%s] %d", img, name, (int)mappedSize);
591 }
592 }
593 widget = GTK_WIDGET(img);
594 img = 0;
595 if ( dump ) {
596 g_message( "loaded gtk '%s' %d (GTK_IMAGE_STOCK) %s on %p", name, mappedSize, (stockFound ? "STOCK" : "local"), widget );
597 }
598 } else if ( type == GTK_IMAGE_ICON_NAME ) {
599 widget = GTK_WIDGET(img);
600 img = 0;
602 // Add a hook to render if set visible before prerender is done.
603 g_signal_connect( G_OBJECT(widget), "map", G_CALLBACK(imageMapNamedCB), GINT_TO_POINTER(0) );
605 if ( Inkscape::Preferences::get()->getBool("/options/iconrender/named_nodelay") ) {
606 int psize = sp_icon_get_phys_size(lsize);
607 prerender_icon(name, mappedSize, psize);
608 } else {
609 addPreRender( mappedSize, name );
610 }
611 } else {
612 if ( dump ) {
613 g_message( "skipped gtk '%s' %d (not GTK_IMAGE_STOCK)", name, lsize );
614 }
615 //g_object_unref( (GObject *)img );
616 img = 0;
617 }
618 }
620 if ( !widget ) {
621 //g_message("Creating an SPIcon instance for %s:%d", name, (int)lsize);
622 SPIcon *icon = (SPIcon *)g_object_new(SP_TYPE_ICON, NULL);
623 icon->lsize = lsize;
624 icon->name = g_strdup(name);
625 icon->psize = sp_icon_get_phys_size(lsize);
627 widget = GTK_WIDGET(icon);
628 }
630 return widget;
631 }
633 GtkWidget *
634 sp_icon_new( Inkscape::IconSize lsize, gchar const *name )
635 {
636 return sp_icon_new_full( lsize, name );
637 }
639 // PUBLIC CALL:
640 Gtk::Widget *sp_icon_get_icon( Glib::ustring const &oid, Inkscape::IconSize size )
641 {
642 Gtk::Widget *result = 0;
643 GtkWidget *widget = sp_icon_new_full( static_cast<Inkscape::IconSize>(Inkscape::getRegisteredIconSize(size)), oid.c_str() );
645 if ( widget ) {
646 if ( GTK_IS_IMAGE(widget) ) {
647 GtkImage *img = GTK_IMAGE(widget);
648 result = Glib::wrap( img );
649 } else {
650 result = Glib::wrap( widget );
651 }
652 }
654 return result;
655 }
657 GtkIconSize
658 sp_icon_get_gtk_size(int size)
659 {
660 static GtkIconSize sizemap[64] = {(GtkIconSize)0};
661 size = CLAMP(size, 4, 63);
662 if (!sizemap[size]) {
663 static int count = 0;
664 char c[64];
665 g_snprintf(c, 64, "InkscapeIcon%d", count++);
666 sizemap[size] = gtk_icon_size_register(c, size, size);
667 }
668 return sizemap[size];
669 }
672 static void injectCustomSize()
673 {
674 // TODO - still need to handle the case of theme changes and resize, especially as we can't re-register a string.
675 if ( !sizeMapDone )
676 {
677 bool dump = Inkscape::Preferences::get()->getBool("/debug/icons/dumpDefault");
678 gint width = 0;
679 gint height = 0;
680 if ( gtk_icon_size_lookup(GTK_ICON_SIZE_MENU, &width, &height ) ) {
681 gint newWidth = ((width * 3) / 4);
682 gint newHeight = ((height * 3) / 4);
683 GtkIconSize newSizeEnum = gtk_icon_size_register( "inkscape-decoration", newWidth, newHeight );
684 if ( newSizeEnum ) {
685 if ( dump ) {
686 g_message("Registered (%d, %d) <= (%d, %d) as index %d", newWidth, newHeight, width, height, newSizeEnum);
687 }
688 guint index = static_cast<guint>(Inkscape::ICON_SIZE_DECORATION);
689 if ( index < G_N_ELEMENTS(iconSizeLookup) ) {
690 iconSizeLookup[index] = newSizeEnum;
691 } else if ( dump ) {
692 g_message("size lookup array too small to store entry");
693 }
694 }
695 }
696 sizeMapDone = true;
697 }
698 }
700 GtkIconSize Inkscape::getRegisteredIconSize( Inkscape::IconSize size )
701 {
702 GtkIconSize other = GTK_ICON_SIZE_MENU;
703 injectCustomSize();
704 size = CLAMP( size, Inkscape::ICON_SIZE_MENU, Inkscape::ICON_SIZE_DECORATION );
705 if ( size == Inkscape::ICON_SIZE_DECORATION ) {
706 other = gtk_icon_size_from_name("inkscape-decoration");
707 } else {
708 other = static_cast<GtkIconSize>(size);
709 }
711 return other;
712 }
715 // PUBLIC CALL:
716 int sp_icon_get_phys_size(int size)
717 {
718 static bool init = false;
719 static int lastSys[Inkscape::ICON_SIZE_DECORATION + 1];
720 static int vals[Inkscape::ICON_SIZE_DECORATION + 1];
722 size = CLAMP( size, static_cast<int>(GTK_ICON_SIZE_MENU), static_cast<int>(Inkscape::ICON_SIZE_DECORATION) );
724 if ( !sizeMapDone ) {
725 injectCustomSize();
726 }
728 if ( sizeDirty && init ) {
729 GtkIconSize const gtkSizes[] = {
730 GTK_ICON_SIZE_MENU,
731 GTK_ICON_SIZE_SMALL_TOOLBAR,
732 GTK_ICON_SIZE_LARGE_TOOLBAR,
733 GTK_ICON_SIZE_BUTTON,
734 GTK_ICON_SIZE_DND,
735 GTK_ICON_SIZE_DIALOG,
736 static_cast<guint>(Inkscape::ICON_SIZE_DECORATION) < G_N_ELEMENTS(iconSizeLookup) ?
737 iconSizeLookup[static_cast<int>(Inkscape::ICON_SIZE_DECORATION)] :
738 GTK_ICON_SIZE_MENU
739 };
740 for (unsigned i = 0; i < G_N_ELEMENTS(gtkSizes) && init; ++i) {
741 guint const val_ix = (gtkSizes[i] <= GTK_ICON_SIZE_DIALOG) ? (guint)gtkSizes[i] : (guint)Inkscape::ICON_SIZE_DECORATION;
743 g_assert( val_ix < G_N_ELEMENTS(vals) );
745 gint width = 0;
746 gint height = 0;
747 if ( gtk_icon_size_lookup(gtkSizes[i], &width, &height ) ) {
748 init &= (lastSys[val_ix] == std::max(width, height));
749 }
750 }
751 }
753 if ( !init ) {
754 sizeDirty = false;
755 bool dump = Inkscape::Preferences::get()->getBool("/debug/icons/dumpDefault");
756 if ( dump ) {
757 g_message( "Default icon sizes:" );
758 }
759 memset( vals, 0, sizeof(vals) );
760 memset( lastSys, 0, sizeof(lastSys) );
761 GtkIconSize const gtkSizes[] = {
762 GTK_ICON_SIZE_MENU,
763 GTK_ICON_SIZE_SMALL_TOOLBAR,
764 GTK_ICON_SIZE_LARGE_TOOLBAR,
765 GTK_ICON_SIZE_BUTTON,
766 GTK_ICON_SIZE_DND,
767 GTK_ICON_SIZE_DIALOG,
768 static_cast<guint>(Inkscape::ICON_SIZE_DECORATION) < G_N_ELEMENTS(iconSizeLookup) ?
769 iconSizeLookup[static_cast<int>(Inkscape::ICON_SIZE_DECORATION)] :
770 GTK_ICON_SIZE_MENU
771 };
772 gchar const *const names[] = {
773 "GTK_ICON_SIZE_MENU",
774 "GTK_ICON_SIZE_SMALL_TOOLBAR",
775 "GTK_ICON_SIZE_LARGE_TOOLBAR",
776 "GTK_ICON_SIZE_BUTTON",
777 "GTK_ICON_SIZE_DND",
778 "GTK_ICON_SIZE_DIALOG",
779 "inkscape-decoration"
780 };
782 GtkWidget *icon = (GtkWidget *)g_object_new(SP_TYPE_ICON, NULL);
784 for (unsigned i = 0; i < G_N_ELEMENTS(gtkSizes); ++i) {
785 guint const val_ix = (gtkSizes[i] <= GTK_ICON_SIZE_DIALOG) ? (guint)gtkSizes[i] : (guint)Inkscape::ICON_SIZE_DECORATION;
787 g_assert( val_ix < G_N_ELEMENTS(vals) );
789 gint width = 0;
790 gint height = 0;
791 bool used = false;
792 if ( gtk_icon_size_lookup(gtkSizes[i], &width, &height ) ) {
793 vals[val_ix] = std::max(width, height);
794 lastSys[val_ix] = vals[val_ix];
795 used = true;
796 }
797 if (dump) {
798 g_message(" =-- %u size:%d %c(%d, %d) '%s'",
799 i, gtkSizes[i],
800 ( used ? ' ' : 'X' ), width, height, names[i]);
801 }
803 // The following is needed due to this documented behavior of gtk_icon_size_lookup:
804 // "The rendered pixbuf may not even correspond to the width/height returned by
805 // gtk_icon_size_lookup(), because themes are free to render the pixbuf however
806 // they like, including changing the usual size."
807 gchar const *id = GTK_STOCK_OPEN;
808 GdkPixbuf *pb = gtk_widget_render_icon( icon, id, gtkSizes[i], NULL);
809 if (pb) {
810 width = gdk_pixbuf_get_width(pb);
811 height = gdk_pixbuf_get_height(pb);
812 int newSize = std::max( width, height );
813 // TODO perhaps check a few more stock icons to get a range on sizes.
814 if ( newSize > 0 ) {
815 vals[val_ix] = newSize;
816 }
817 if (dump) {
818 g_message(" %u size:%d (%d, %d)", i, gtkSizes[i], width, height);
819 }
821 g_object_unref(G_OBJECT(pb));
822 }
823 }
824 //g_object_unref(icon);
825 init = true;
826 }
828 return vals[size];
829 }
831 static void sp_icon_paint(SPIcon *icon, GdkRectangle const */*area*/)
832 {
833 GtkWidget &widget = *GTK_WIDGET(icon);
834 GdkPixbuf *image = icon->pb;
835 bool unref_image = false;
837 /* copied from the expose function of GtkImage */
838 if (GTK_WIDGET_STATE (icon) != GTK_STATE_NORMAL && image) {
839 GtkIconSource *source = gtk_icon_source_new();
840 gtk_icon_source_set_pixbuf(source, icon->pb);
841 gtk_icon_source_set_size(source, GTK_ICON_SIZE_SMALL_TOOLBAR); // note: this is boilerplate and not used
842 gtk_icon_source_set_size_wildcarded(source, FALSE);
843 image = gtk_style_render_icon (widget.style, source, gtk_widget_get_direction(&widget),
844 (GtkStateType) GTK_WIDGET_STATE(&widget), (GtkIconSize)-1, &widget, "gtk-image");
845 gtk_icon_source_free(source);
846 unref_image = true;
847 }
849 if (image) {
850 int x = floor(widget.allocation.x + ((widget.allocation.width - widget.requisition.width) * 0.5));
851 int y = floor(widget.allocation.y + ((widget.allocation.height - widget.requisition.height) * 0.5));
852 int width = gdk_pixbuf_get_width(image);
853 int height = gdk_pixbuf_get_height(image);
854 // Limit drawing to when we actually have something. Avoids some crashes.
855 if ( (width > 0) && (height > 0) ) {
856 gdk_draw_pixbuf(GDK_DRAWABLE(widget.window), widget.style->black_gc, image,
857 0, 0, x, y, width, height,
858 GDK_RGB_DITHER_NORMAL, x, y);
859 }
860 }
862 if (unref_image) {
863 g_object_unref(G_OBJECT(image));
864 }
865 }
867 GdkPixbuf *sp_icon_image_load_pixmap(gchar const *name, unsigned /*lsize*/, unsigned psize)
868 {
869 gchar *path = (gchar *) g_strdup_printf("%s/%s.png", INKSCAPE_PIXMAPDIR, name);
870 // TODO: bulia, please look over
871 gsize bytesRead = 0;
872 gsize bytesWritten = 0;
873 GError *error = NULL;
874 gchar *localFilename = g_filename_from_utf8( path,
875 -1,
876 &bytesRead,
877 &bytesWritten,
878 &error);
879 GdkPixbuf *pb = gdk_pixbuf_new_from_file(localFilename, NULL);
880 g_free(localFilename);
881 g_free(path);
882 if (!pb) {
883 path = (gchar *) g_strdup_printf("%s/%s.xpm", INKSCAPE_PIXMAPDIR, name);
884 // TODO: bulia, please look over
885 gsize bytesRead = 0;
886 gsize bytesWritten = 0;
887 GError *error = NULL;
888 gchar *localFilename = g_filename_from_utf8( path,
889 -1,
890 &bytesRead,
891 &bytesWritten,
892 &error);
893 pb = gdk_pixbuf_new_from_file(localFilename, NULL);
894 g_free(localFilename);
895 g_free(path);
896 }
898 if (pb) {
899 if (!gdk_pixbuf_get_has_alpha(pb)) {
900 gdk_pixbuf_add_alpha(pb, FALSE, 0, 0, 0);
901 }
903 if ( ( static_cast<unsigned>(gdk_pixbuf_get_width(pb)) != psize )
904 || ( static_cast<unsigned>(gdk_pixbuf_get_height(pb)) != psize ) ) {
905 GdkPixbuf *spb = gdk_pixbuf_scale_simple(pb, psize, psize, GDK_INTERP_HYPER);
906 g_object_unref(G_OBJECT(pb));
907 pb = spb;
908 }
909 }
911 return pb;
912 }
914 // takes doc, root, icon, and icon name to produce pixels
915 extern "C" guchar *
916 sp_icon_doc_icon( SPDocument *doc, NRArenaItem *root,
917 gchar const *name, unsigned psize )
918 {
919 bool const dump = Inkscape::Preferences::get()->getBool("/debug/icons/dumpSvg");
920 guchar *px = NULL;
922 if (doc) {
923 SPObject *object = doc->getObjectById(name);
924 if (object && SP_IS_ITEM(object)) {
925 /* Find bbox in document */
926 Geom::Matrix const i2doc(SP_ITEM(object)->i2doc_affine());
927 Geom::OptRect dbox = SP_ITEM(object)->getBounds(i2doc);
929 if ( SP_OBJECT_PARENT(object) == NULL )
930 {
931 dbox = Geom::Rect(Geom::Point(0, 0),
932 Geom::Point(doc->getWidth(), doc->getHeight()));
933 }
935 /* This is in document coordinates, i.e. pixels */
936 if ( dbox ) {
937 NRGC gc(NULL);
938 /* Update to renderable state */
939 double sf = 1.0;
940 nr_arena_item_set_transform(root, (Geom::Matrix)Geom::Scale(sf, sf));
941 gc.transform.setIdentity();
942 nr_arena_item_invoke_update( root, NULL, &gc,
943 NR_ARENA_ITEM_STATE_ALL,
944 NR_ARENA_ITEM_STATE_NONE );
945 /* Item integer bbox in points */
946 NRRectL ibox;
947 ibox.x0 = (int) floor(sf * dbox->min()[Geom::X] + 0.5);
948 ibox.y0 = (int) floor(sf * dbox->min()[Geom::Y] + 0.5);
949 ibox.x1 = (int) floor(sf * dbox->max()[Geom::X] + 0.5);
950 ibox.y1 = (int) floor(sf * dbox->max()[Geom::Y] + 0.5);
952 if ( dump ) {
953 g_message( " box --'%s' (%f,%f)-(%f,%f)", name, (double)ibox.x0, (double)ibox.y0, (double)ibox.x1, (double)ibox.y1 );
954 }
956 /* Find button visible area */
957 int width = ibox.x1 - ibox.x0;
958 int height = ibox.y1 - ibox.y0;
960 if ( dump ) {
961 g_message( " vis --'%s' (%d,%d)", name, width, height );
962 }
964 {
965 int block = std::max(width, height);
966 if (block != static_cast<int>(psize) ) {
967 if ( dump ) {
968 g_message(" resizing" );
969 }
970 sf = (double)psize / (double)block;
972 nr_arena_item_set_transform(root, (Geom::Matrix)Geom::Scale(sf, sf));
973 gc.transform.setIdentity();
974 nr_arena_item_invoke_update( root, NULL, &gc,
975 NR_ARENA_ITEM_STATE_ALL,
976 NR_ARENA_ITEM_STATE_NONE );
977 /* Item integer bbox in points */
978 ibox.x0 = (int) floor(sf * dbox->min()[Geom::X] + 0.5);
979 ibox.y0 = (int) floor(sf * dbox->min()[Geom::Y] + 0.5);
980 ibox.x1 = (int) floor(sf * dbox->max()[Geom::X] + 0.5);
981 ibox.y1 = (int) floor(sf * dbox->max()[Geom::Y] + 0.5);
983 if ( dump ) {
984 g_message( " box2 --'%s' (%f,%f)-(%f,%f)", name, (double)ibox.x0, (double)ibox.y0, (double)ibox.x1, (double)ibox.y1 );
985 }
987 /* Find button visible area */
988 width = ibox.x1 - ibox.x0;
989 height = ibox.y1 - ibox.y0;
990 if ( dump ) {
991 g_message( " vis2 --'%s' (%d,%d)", name, width, height );
992 }
993 }
994 }
996 int dx, dy;
997 //dx = (psize - width) / 2;
998 //dy = (psize - height) / 2;
999 dx=dy=psize;
1000 dx=(dx-width)/2; // watch out for psize, since 'unsigned'-'signed' can cause problems if the result is negative
1001 dy=(dy-height)/2;
1002 NRRectL area;
1003 area.x0 = ibox.x0 - dx;
1004 area.y0 = ibox.y0 - dy;
1005 area.x1 = area.x0 + psize;
1006 area.y1 = area.y0 + psize;
1007 /* Actual renderable area */
1008 NRRectL ua;
1009 ua.x0 = MAX(ibox.x0, area.x0);
1010 ua.y0 = MAX(ibox.y0, area.y0);
1011 ua.x1 = MIN(ibox.x1, area.x1);
1012 ua.y1 = MIN(ibox.y1, area.y1);
1014 if ( dump ) {
1015 g_message( " area --'%s' (%f,%f)-(%f,%f)", name, (double)area.x0, (double)area.y0, (double)area.x1, (double)area.y1 );
1016 g_message( " ua --'%s' (%f,%f)-(%f,%f)", name, (double)ua.x0, (double)ua.y0, (double)ua.x1, (double)ua.y1 );
1017 }
1018 /* Set up pixblock */
1019 px = g_new(guchar, 4 * psize * psize);
1020 memset(px, 0x00, 4 * psize * psize);
1021 /* Render */
1022 NRPixBlock B;
1023 nr_pixblock_setup_extern( &B, NR_PIXBLOCK_MODE_R8G8B8A8N,
1024 ua.x0, ua.y0, ua.x1, ua.y1,
1025 px + 4 * psize * (ua.y0 - area.y0) +
1026 4 * (ua.x0 - area.x0),
1027 4 * psize, FALSE, FALSE );
1028 nr_arena_item_invoke_render(NULL, root, &ua, &B,
1029 NR_ARENA_ITEM_RENDER_NO_CACHE );
1030 nr_pixblock_release(&B);
1032 if ( Inkscape::Preferences::get()->getBool("/debug/icons/overlaySvg") ) {
1033 sp_icon_overlay_pixels( px, psize, psize, 4 * psize, 0x00, 0x00, 0xff );
1034 }
1035 }
1036 }
1037 }
1039 return px;
1040 } // end of sp_icon_doc_icon()
1044 class SVGDocCache
1045 {
1046 public:
1047 SVGDocCache( SPDocument *doc, NRArenaItem *root ) : doc(doc), root(root) {}
1048 SPDocument *doc;
1049 NRArenaItem *root;
1050 };
1052 static std::map<Glib::ustring, SVGDocCache *> doc_cache;
1053 static std::map<Glib::ustring, GdkPixbuf *> pb_cache;
1055 Glib::ustring icon_cache_key(Glib::ustring const & name, unsigned psize)
1056 {
1057 Glib::ustring key = name;
1058 key += ":";
1059 key += psize;
1060 return key;
1061 }
1063 GdkPixbuf *get_cached_pixbuf(Glib::ustring const &key) {
1064 GdkPixbuf* pb = 0;
1065 std::map<Glib::ustring, GdkPixbuf *>::iterator found = pb_cache.find(key);
1066 if ( found != pb_cache.end() ) {
1067 pb = found->second;
1068 }
1069 return pb;
1070 }
1072 static std::list<gchar*> &icons_svg_paths()
1073 {
1074 static std::list<gchar *> sources;
1075 static bool initialized = false;
1076 if (!initialized) {
1077 // Fall back from user prefs dir into system locations.
1078 gchar *userdir = profile_path("icons");
1079 sources.push_back(g_build_filename(userdir,"icons.svg", NULL));
1080 sources.push_back(g_build_filename(INKSCAPE_PIXMAPDIR, "icons.svg", NULL));
1081 g_free(userdir);
1082 initialized = true;
1083 }
1084 return sources;
1085 }
1087 // this function renders icons from icons.svg and returns the pixels.
1088 static guchar *load_svg_pixels(std::list<Glib::ustring> const &names,
1089 unsigned /*lsize*/, unsigned psize)
1090 {
1091 bool const dump = Inkscape::Preferences::get()->getBool("/debug/icons/dumpSvg");
1092 std::list<gchar *> &sources = icons_svg_paths();
1094 // Try each document in turn until we successfully load the icon from one
1095 guchar *px = NULL;
1096 for (std::list<gchar*>::iterator i = sources.begin(); (i != sources.end()) && !px; ++i) {
1097 gchar *doc_filename = *i;
1098 SVGDocCache *info = 0;
1100 // Did we already load this doc?
1101 Glib::ustring key(doc_filename);
1102 {
1103 std::map<Glib::ustring, SVGDocCache *>::iterator i = doc_cache.find(key);
1104 if ( i != doc_cache.end() ) {
1105 info = i->second;
1106 }
1107 }
1109 // Try to load from document.
1110 if (!info && Inkscape::IO::file_test( doc_filename, G_FILE_TEST_IS_REGULAR ) ) {
1111 SPDocument *doc = SPDocument::createNewDoc( doc_filename, FALSE );
1112 if ( doc ) {
1113 if ( dump ) {
1114 g_message("Loaded icon file %s", doc_filename);
1115 }
1116 // prep the document
1117 doc->ensureUpToDate();
1119 // Create new arena
1120 NRArena *arena = NRArena::create();
1122 // Create ArenaItem and set transform
1123 unsigned visionkey = SPItem::display_key_new(1);
1124 // fixme: Memory manage root if needed (Lauris)
1125 // This needs to be fixed indeed; this leads to a memory leak of a few megabytes these days
1126 // because shapes are being rendered which are not being freed
1127 NRArenaItem *root = SP_ITEM(doc->getRoot())->invoke_show( arena, visionkey, SP_ITEM_SHOW_DISPLAY );
1129 // store into the cache
1130 info = new SVGDocCache(doc, root);
1131 doc_cache[key] = info;
1132 }
1133 }
1134 if (info) {
1135 for (std::list<Glib::ustring>::const_iterator it = names.begin(); !px && (it != names.end()); ++it ) {
1136 px = sp_icon_doc_icon( info->doc, info->root, it->c_str(), psize );
1137 }
1138 }
1139 }
1141 return px;
1142 }
1144 static void addToIconSet(GdkPixbuf* pb, gchar const* name, GtkIconSize lsize, unsigned psize) {
1145 static bool dump = Inkscape::Preferences::get()->getBool("/debug/icons/dumpGtk");
1146 GtkStockItem stock;
1147 gboolean stockFound = gtk_stock_lookup( name, &stock );
1148 if ( !stockFound ) {
1149 Gtk::IconTheme::add_builtin_icon( name, psize, Glib::wrap(pb) );
1150 if (dump) {
1151 g_message(" set in a builtin for %s:%d:%d", name, lsize, psize);
1152 }
1153 }
1154 }
1156 void Inkscape::queueIconPrerender( Glib::ustring const &name, Inkscape::IconSize lsize )
1157 {
1158 GtkStockItem stock;
1159 gboolean stockFound = gtk_stock_lookup( name.c_str(), &stock );
1160 gboolean themedFound = gtk_icon_theme_has_icon(gtk_icon_theme_get_default(), name.c_str());
1161 if (!stockFound && !themedFound ) {
1162 gint trySize = CLAMP( static_cast<gint>(lsize), 0, static_cast<gint>(G_N_ELEMENTS(iconSizeLookup) - 1) );
1163 if ( !sizeMapDone ) {
1164 injectCustomSize();
1165 }
1166 GtkIconSize mappedSize = iconSizeLookup[trySize];
1168 int psize = sp_icon_get_phys_size(lsize);
1169 // TODO place in a queue that is triggered by other map events
1170 prerender_icon(name.c_str(), mappedSize, psize);
1171 }
1172 }
1174 static std::map<unsigned, Glib::ustring> sizePaths;
1176 static std::string getDestDir( unsigned psize )
1177 {
1178 if ( sizePaths.find(psize) == sizePaths.end() ) {
1179 gchar *tmp = g_strdup_printf("%dx%d", psize, psize);
1180 sizePaths[psize] = tmp;
1181 g_free(tmp);
1182 }
1184 return sizePaths[psize];
1185 }
1187 // returns true if icon needed preloading, false if nothing was done
1188 bool prerender_icon(gchar const *name, GtkIconSize lsize, unsigned psize)
1189 {
1190 bool loadNeeded = false;
1191 static bool dump = Inkscape::Preferences::get()->getBool("/debug/icons/dumpGtk");
1192 static bool useCache = Inkscape::Preferences::get()->getBool("/debug/icons/useCache");
1194 Glib::ustring key = icon_cache_key(name, psize);
1195 if ( !get_cached_pixbuf(key) ) {
1196 if ((internalNames.find(name) != internalNames.end())
1197 || (!gtk_icon_theme_has_icon(gtk_icon_theme_get_default(), name))) {
1198 if (dump) {
1199 g_message("prerender_icon [%s] %d:%d", name, lsize, psize);
1200 }
1202 std::string potentialFile;
1203 bool dataLoaded = false;
1204 if ( useCache ) {
1205 // In file encoding:
1206 std::string iconCacheDir = Glib::build_filename(Glib::build_filename(Glib::get_user_cache_dir(), "inkscape"), "icons");
1207 std::string subpart = getDestDir(psize);
1208 std::string subdir = Glib::build_filename( iconCacheDir, subpart );
1209 if ( !Glib::file_test(subdir, Glib::FILE_TEST_EXISTS) ) {
1210 g_mkdir_with_parents( subdir.c_str(), 0x1ED );
1211 }
1212 potentialFile = Glib::build_filename( subdir, name );
1213 potentialFile += ".png";
1215 if ( Glib::file_test(potentialFile, Glib::FILE_TEST_EXISTS) && Glib::file_test(potentialFile, Glib::FILE_TEST_IS_REGULAR) ) {
1216 bool badFile = false;
1217 try {
1218 Glib::RefPtr<Gdk::Pixbuf> pb = Gdk::Pixbuf::create_from_file(potentialFile);
1219 if (pb) {
1220 dataLoaded = true;
1221 GdkPixbuf *obj = pb->gobj();
1222 g_object_ref(obj);
1223 pb_cache[key] = obj;
1224 addToIconSet(obj, name, lsize, psize);
1225 loadNeeded = true;
1226 if (internalNames.find(name) == internalNames.end()) {
1227 internalNames.insert(name);
1228 }
1229 }
1230 } catch ( Glib::FileError &ex ) {
1231 g_warning("FileError [%s]", ex.what().c_str());
1232 badFile = true;
1233 } catch ( Gdk::PixbufError &ex ) {
1234 g_warning("PixbufError [%s]", ex.what().c_str());
1235 // Invalid contents. Remove cached item
1236 badFile = true;
1237 }
1238 if ( badFile ) {
1239 g_remove(potentialFile.c_str());
1240 }
1241 }
1242 }
1244 if (!dataLoaded) {
1245 std::list<Glib::ustring> names;
1246 names.push_back(name);
1247 if ( legacyNames.find(name) != legacyNames.end() ) {
1248 names.push_back(legacyNames[name]);
1249 if ( dump ) {
1250 g_message("load_svg_pixels([%s] = %s, %d, %d)", name, legacyNames[name].c_str(), lsize, psize);
1251 }
1252 }
1253 guchar* px = load_svg_pixels(names, lsize, psize);
1254 if (px) {
1255 GdkPixbuf* pb = gdk_pixbuf_new_from_data( px, GDK_COLORSPACE_RGB, TRUE, 8,
1256 psize, psize, psize * 4,
1257 reinterpret_cast<GdkPixbufDestroyNotify>(g_free), NULL );
1258 pb_cache[key] = pb;
1259 addToIconSet(pb, name, lsize, psize);
1260 loadNeeded = true;
1261 if (internalNames.find(name) == internalNames.end()) {
1262 internalNames.insert(name);
1263 }
1264 if (useCache) {
1265 g_object_ref(pb);
1266 Glib::RefPtr<Gdk::Pixbuf> ppp = Glib::wrap(pb);
1267 try {
1268 ppp->save( potentialFile, "png" );
1269 } catch ( Glib::FileError &ex ) {
1270 g_warning("FileError [%s]", ex.what().c_str());
1271 } catch ( Gdk::PixbufError &ex ) {
1272 g_warning("PixbufError [%s]", ex.what().c_str());
1273 }
1274 }
1275 } else if (dump) {
1276 g_message("XXXXXXXXXXXXXXXXXXXXXXXXXXXXX error!!! pixels not found for '%s'", name);
1277 }
1278 }
1279 }
1280 else if (dump) {
1281 g_message("prerender_icon [%s] %d NOT!!!!!!", name, psize);
1282 }
1283 }
1284 return loadNeeded;
1285 }
1287 static GdkPixbuf *sp_icon_image_load_svg(std::list<Glib::ustring> const &names, GtkIconSize lsize, unsigned psize)
1288 {
1289 Glib::ustring key = icon_cache_key(*names.begin(), psize);
1291 // did we already load this icon at this scale/size?
1292 GdkPixbuf* pb = get_cached_pixbuf(key);
1293 if (!pb) {
1294 guchar *px = load_svg_pixels(names, lsize, psize);
1295 if (px) {
1296 pb = gdk_pixbuf_new_from_data(px, GDK_COLORSPACE_RGB, TRUE, 8,
1297 psize, psize, psize * 4,
1298 (GdkPixbufDestroyNotify)g_free, NULL);
1299 pb_cache[key] = pb;
1300 addToIconSet(pb, names.begin()->c_str(), lsize, psize);
1301 }
1302 }
1304 if ( pb ) {
1305 // increase refcount since we're handing out ownership
1306 g_object_ref(G_OBJECT(pb));
1307 }
1308 return pb;
1309 }
1311 void sp_icon_overlay_pixels(guchar *px, int width, int height, int stride,
1312 unsigned r, unsigned g, unsigned b)
1313 {
1314 int bytesPerPixel = 4;
1315 int spacing = 4;
1316 for ( int y = 0; y < height; y += spacing ) {
1317 guchar *ptr = px + y * stride;
1318 for ( int x = 0; x < width; x += spacing ) {
1319 *(ptr++) = r;
1320 *(ptr++) = g;
1321 *(ptr++) = b;
1322 *(ptr++) = 0xff;
1324 ptr += bytesPerPixel * (spacing - 1);
1325 }
1326 }
1328 if ( width > 1 && height > 1 ) {
1329 // point at the last pixel
1330 guchar *ptr = px + ((height-1) * stride) + ((width - 1) * bytesPerPixel);
1332 if ( width > 2 ) {
1333 px[4] = r;
1334 px[5] = g;
1335 px[6] = b;
1336 px[7] = 0xff;
1338 ptr[-12] = r;
1339 ptr[-11] = g;
1340 ptr[-10] = b;
1341 ptr[-9] = 0xff;
1342 }
1344 ptr[-4] = r;
1345 ptr[-3] = g;
1346 ptr[-2] = b;
1347 ptr[-1] = 0xff;
1349 px[0 + stride] = r;
1350 px[1 + stride] = g;
1351 px[2 + stride] = b;
1352 px[3 + stride] = 0xff;
1354 ptr[0 - stride] = r;
1355 ptr[1 - stride] = g;
1356 ptr[2 - stride] = b;
1357 ptr[3 - stride] = 0xff;
1359 if ( height > 2 ) {
1360 ptr[0 - stride * 3] = r;
1361 ptr[1 - stride * 3] = g;
1362 ptr[2 - stride * 3] = b;
1363 ptr[3 - stride * 3] = 0xff;
1364 }
1365 }
1366 }
1368 class preRenderItem
1369 {
1370 public:
1371 preRenderItem( GtkIconSize lsize, gchar const *name ) :
1372 _lsize( lsize ),
1373 _name( name )
1374 {}
1375 GtkIconSize _lsize;
1376 Glib::ustring _name;
1377 };
1380 static std::vector<preRenderItem> pendingRenders;
1381 static bool callbackHooked = false;
1383 static void addPreRender( GtkIconSize lsize, gchar const *name )
1384 {
1385 if ( !callbackHooked )
1386 {
1387 callbackHooked = true;
1388 g_idle_add_full( G_PRIORITY_LOW, &icon_prerender_task, NULL, NULL );
1389 }
1391 pendingRenders.push_back(preRenderItem(lsize, name));
1392 }
1394 gboolean icon_prerender_task(gpointer /*data*/) {
1395 if ( inkscapeIsCrashing() ) {
1396 // stop
1397 } else if (!pendingRenders.empty()) {
1398 bool workDone = false;
1399 do {
1400 preRenderItem single = pendingRenders.front();
1401 pendingRenders.erase(pendingRenders.begin());
1402 int psize = sp_icon_get_phys_size(single._lsize);
1403 workDone = prerender_icon(single._name.c_str(), single._lsize, psize);
1404 } while (!pendingRenders.empty() && !workDone);
1405 }
1407 if (!inkscapeIsCrashing() && !pendingRenders.empty()) {
1408 return TRUE;
1409 } else {
1410 callbackHooked = false;
1411 return FALSE;
1412 }
1413 }
1416 void imageMapCB(GtkWidget* widget, gpointer user_data) {
1417 gchar* id = 0;
1418 GtkIconSize size = GTK_ICON_SIZE_INVALID;
1419 gtk_image_get_stock(GTK_IMAGE(widget), &id, &size);
1420 GtkIconSize lsize = static_cast<GtkIconSize>(GPOINTER_TO_INT(user_data));
1421 if ( id ) {
1422 int psize = sp_icon_get_phys_size(lsize);
1423 g_message("imageMapCB(%p) for [%s]:%d:%d", widget, id, lsize, psize);
1424 for ( std::vector<preRenderItem>::iterator it = pendingRenders.begin(); it != pendingRenders.end(); ++it ) {
1425 if ( (it->_name == id) && (it->_lsize == lsize) ) {
1426 prerender_icon(id, lsize, psize);
1427 pendingRenders.erase(it);
1428 g_message(" prerender for %s:%d:%d", id, lsize, psize);
1429 if (lsize != size) {
1430 int psize = sp_icon_get_phys_size(size);
1431 prerender_icon(id, size, psize);
1432 }
1433 break;
1434 }
1435 }
1436 }
1438 g_signal_handlers_disconnect_by_func(widget, (gpointer)imageMapCB, user_data);
1439 }
1441 static void imageMapNamedCB(GtkWidget* widget, gpointer user_data) {
1442 GtkImage* img = GTK_IMAGE(widget);
1443 gchar const* iconName = 0;
1444 GtkIconSize size = GTK_ICON_SIZE_INVALID;
1445 gtk_image_get_icon_name(img, &iconName, &size);
1446 if ( iconName ) {
1447 GtkImageType type = gtk_image_get_storage_type( GTK_IMAGE(img) );
1448 if ( type == GTK_IMAGE_ICON_NAME ) {
1450 gint iconSize = 0;
1451 gchar* iconName = 0;
1452 {
1453 g_object_get(G_OBJECT(widget),
1454 "icon-name", &iconName,
1455 "icon-size", &iconSize,
1456 NULL);
1457 }
1459 for ( std::vector<preRenderItem>::iterator it = pendingRenders.begin(); it != pendingRenders.end(); ++it ) {
1460 if ( (it->_name == iconName) && (it->_lsize == size) ) {
1461 int psize = sp_icon_get_phys_size(size);
1462 prerender_icon(iconName, size, psize);
1463 pendingRenders.erase(it);
1464 break;
1465 }
1466 }
1468 gtk_image_set_from_icon_name(img, "", (GtkIconSize)iconSize);
1469 gtk_image_set_from_icon_name(img, iconName, (GtkIconSize)iconSize);
1470 } else {
1471 g_warning("UNEXPECTED TYPE of %d", (int)type);
1472 }
1473 }
1475 g_signal_handlers_disconnect_by_func(widget, (gpointer)imageMapNamedCB, user_data);
1476 }
1479 /*
1480 Local Variables:
1481 mode:c++
1482 c-file-style:"stroustrup"
1483 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1484 indent-tabs-mode:nil
1485 fill-column:99
1486 End:
1487 */
1488 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :