1 #define __SP_FONT_SELECTOR_C__
3 /*
4 * Font selection widgets
5 *
6 * Authors:
7 * Chris Lahey <clahey@ximian.com>
8 * Lauris Kaplinski <lauris@kaplinski.com>
9 * bulia byak <buliabyak@users.sf.net>
10 *
11 * Copyright (C) 1999-2001 Ximian, Inc.
12 * Copyright (C) 2002 Lauris Kaplinski
13 *
14 * Released under GNU GPL, read the file 'COPYING' for more information
15 */
17 #ifdef HAVE_CONFIG_H
18 # include "config.h"
19 #endif
21 #include <libnr/nr-blit.h>
22 #include <libnrtype/font-instance.h>
23 #include <libnrtype/raster-glyph.h>
24 #include <libnrtype/RasterFont.h>
25 #include <libnrtype/TextWrapper.h>
26 #include <libnrtype/one-glyph.h>
27 #include <libnrtype/font-lister.h>
29 #include <gtk/gtk.h>
30 #include <gtk/gtkframe.h>
31 #include <gtk/gtkscrolledwindow.h>
32 #include <gtk/gtkclist.h>
33 #include <gtk/gtkvbox.h>
34 #include <gtk/gtkcombo.h>
35 #include <gtk/gtkentry.h>
36 #include <gtk/gtkdrawingarea.h>
38 #include "../display/nr-plain-stuff-gdk.h"
39 #include <glibmm/i18n.h>
41 #include "../desktop.h"
42 #include "font-selector.h"
44 /* SPFontSelector */
46 struct SPFontSelector
47 {
48 GtkHBox hbox;
50 unsigned int block_emit : 1;
52 GtkWidget *family;
53 GtkWidget *style;
54 GtkWidget *size;
56 GtkWidget *family_treeview;
57 GtkWidget *style_treeview;
59 NRNameList families;
60 NRStyleList styles;
61 int familyidx;
62 int styleidx;
63 gfloat fontsize;
64 bool fontsize_dirty;
65 font_instance *font;
66 };
69 struct SPFontSelectorClass
70 {
71 GtkHBoxClass parent_class;
73 void (* font_set) (SPFontSelector *fsel, font_instance *font);
74 };
76 enum {
77 FONT_SET,
78 LAST_SIGNAL
79 };
81 static void sp_font_selector_class_init (SPFontSelectorClass *c);
82 static void sp_font_selector_init (SPFontSelector *fsel);
83 static void sp_font_selector_destroy (GtkObject *object);
85 static void sp_font_selector_family_select_row (GtkTreeSelection *selection,
86 SPFontSelector *fsel);
88 static void sp_font_selector_style_select_row (GtkTreeSelection *selection,
89 SPFontSelector *fsel);
91 static void sp_font_selector_size_changed (GtkComboBox *combobox,
92 SPFontSelector *fsel);
94 static void sp_font_selector_emit_set (SPFontSelector *fsel);
96 namespace {
97 const char *sizes[] = {
98 "4", "6", "8", "9", "10", "11", "12", "13", "14",
99 "16", "18", "20", "22", "24", "28",
100 "32", "36", "40", "48", "56", "64", "72", "144",
101 NULL
102 };
103 }
105 static GtkHBoxClass *fs_parent_class = NULL;
106 static guint fs_signals[LAST_SIGNAL] = { 0 };
108 GtkType sp_font_selector_get_type()
109 {
110 static GtkType type = 0;
111 if (!type) {
112 static const GtkTypeInfo info = {
113 "SPFontSelector",
114 sizeof(SPFontSelector),
115 sizeof(SPFontSelectorClass),
116 (GtkClassInitFunc) sp_font_selector_class_init,
117 (GtkObjectInitFunc) sp_font_selector_init,
118 NULL, NULL, NULL
119 };
120 type = gtk_type_unique(GTK_TYPE_HBOX, &info);
121 }
122 return type;
123 }
125 static void sp_font_selector_class_init(SPFontSelectorClass *c)
126 {
127 GtkObjectClass *object_class = (GtkObjectClass *) c;
129 fs_parent_class = (GtkHBoxClass* )gtk_type_class(GTK_TYPE_HBOX);
131 fs_signals[FONT_SET] = gtk_signal_new ("font_set",
132 GTK_RUN_FIRST,
133 GTK_CLASS_TYPE(object_class),
134 GTK_SIGNAL_OFFSET(SPFontSelectorClass, font_set),
135 gtk_marshal_NONE__POINTER,
136 GTK_TYPE_NONE,
137 1, GTK_TYPE_POINTER);
139 object_class->destroy = sp_font_selector_destroy;
140 }
142 static void sp_font_selector_init(SPFontSelector *fsel)
143 {
144 gtk_box_set_homogeneous(GTK_BOX(fsel), TRUE);
145 gtk_box_set_spacing(GTK_BOX(fsel), 4);
147 /* Family frame */
148 GtkWidget *f = gtk_frame_new(_("Font family"));
149 gtk_widget_show (f);
150 gtk_box_pack_start (GTK_BOX(fsel), f, TRUE, TRUE, 0);
152 GtkWidget *sw = gtk_scrolled_window_new(NULL, NULL);
153 gtk_widget_show(sw);
154 gtk_container_set_border_width(GTK_CONTAINER (sw), 4);
155 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
156 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw), GTK_SHADOW_IN);
157 gtk_container_add(GTK_CONTAINER(f), sw);
159 Inkscape::FontLister* fontlister = Inkscape::FontLister::get_instance();
161 fsel->family_treeview = gtk_tree_view_new ();
162 GtkTreeViewColumn *column = gtk_tree_view_column_new ();
163 GtkCellRenderer *cell = gtk_cell_renderer_text_new ();
164 gtk_tree_view_column_pack_start (column, cell, FALSE);
165 gtk_tree_view_column_set_attributes (column, cell, "text", 0, NULL);
166 gtk_tree_view_append_column (GTK_TREE_VIEW(fsel->family_treeview), column);
167 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(fsel->family_treeview), FALSE);
168 Glib::RefPtr<Gtk::ListStore> store = fontlister->get_font_list();
169 gtk_tree_view_set_model (GTK_TREE_VIEW(fsel->family_treeview), GTK_TREE_MODEL (Glib::unwrap (store)));
170 gtk_container_add(GTK_CONTAINER(sw), fsel->family_treeview);
171 gtk_widget_show_all (sw);
173 GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW(fsel->family_treeview));
174 g_signal_connect (G_OBJECT(selection), "changed", G_CALLBACK (sp_font_selector_family_select_row), fsel);
175 g_object_set_data (G_OBJECT(fsel), "family-treeview", fsel->family_treeview);
178 /* Style frame */
179 f = gtk_frame_new(_("Style"));
180 gtk_widget_show(f);
181 gtk_box_pack_start(GTK_BOX (fsel), f, TRUE, TRUE, 0);
183 GtkWidget *vb = gtk_vbox_new(FALSE, 4);
184 gtk_widget_show(vb);
185 gtk_container_set_border_width(GTK_CONTAINER (vb), 4);
186 gtk_container_add(GTK_CONTAINER(f), vb);
188 sw = gtk_scrolled_window_new(NULL, NULL);
189 gtk_widget_show(sw);
190 gtk_container_set_border_width(GTK_CONTAINER (sw), 4);
191 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW (sw), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
192 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw), GTK_SHADOW_IN);
193 gtk_box_pack_start(GTK_BOX (vb), sw, TRUE, TRUE, 0);
195 fsel->style_treeview = gtk_tree_view_new ();
196 column = gtk_tree_view_column_new ();
197 cell = gtk_cell_renderer_text_new ();
198 gtk_tree_view_column_pack_start (column, cell, FALSE);
199 gtk_tree_view_column_set_attributes (column, cell, "text", 0, NULL);
200 gtk_tree_view_append_column (GTK_TREE_VIEW(fsel->style_treeview), column);
201 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(fsel->style_treeview), FALSE);
202 gtk_container_add(GTK_CONTAINER(sw), fsel->style_treeview);
203 gtk_widget_show_all (sw);
205 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW(fsel->style_treeview));
206 g_signal_connect (G_OBJECT(selection), "changed", G_CALLBACK (sp_font_selector_style_select_row), fsel);
208 GtkWidget *hb = gtk_hbox_new(FALSE, 4);
209 gtk_widget_show(hb);
210 gtk_box_pack_start(GTK_BOX(vb), hb, FALSE, FALSE, 0);
212 fsel->size = gtk_combo_box_entry_new_text ();
213 gtk_widget_set_size_request(fsel->size, 90, -1);
214 g_signal_connect (G_OBJECT(fsel->size), "changed", G_CALLBACK (sp_font_selector_size_changed), fsel);
215 gtk_box_pack_end (GTK_BOX(hb), fsel->size, FALSE, FALSE, 0);
217 GtkWidget *l = gtk_label_new(_("Font size:"));
218 gtk_widget_show_all (l);
219 gtk_box_pack_end(GTK_BOX (hb), l, FALSE, FALSE, 0);
221 for (unsigned int n = 0; sizes[n]; ++n)
222 {
223 gtk_combo_box_append_text (GTK_COMBO_BOX(fsel->size), sizes[n]);
224 }
226 gtk_widget_show_all (fsel->size);
228 fsel->familyidx = 0;
229 fsel->styleidx = 0;
230 fsel->fontsize = 10.0;
231 fsel->fontsize_dirty = false;
232 fsel->font = NULL;
233 }
235 static void sp_font_selector_destroy(GtkObject *object)
236 {
237 SPFontSelector *fsel = SP_FONT_SELECTOR (object);
239 if (fsel->font) {
240 fsel->font->Unref();
241 fsel->font = NULL;
242 }
244 if (fsel->families.length > 0) {
245 nr_name_list_release(&fsel->families);
246 fsel->families.length = 0;
247 }
249 if (fsel->styles.length > 0) {
250 nr_style_list_release(&fsel->styles);
251 fsel->styles.length = 0;
252 }
254 if (GTK_OBJECT_CLASS(fs_parent_class)->destroy) {
255 GTK_OBJECT_CLASS(fs_parent_class)->destroy(object);
256 }
257 }
259 static void sp_font_selector_family_select_row(GtkTreeSelection *selection,
260 SPFontSelector *fsel)
261 {
262 GtkTreeIter iter;
263 GtkTreeModel *model;
264 GtkListStore *store;
265 GtkTreePath *path;
266 GList *list=0;
268 if (!gtk_tree_selection_get_selected (selection, &model, &iter)) return;
270 path = gtk_tree_model_get_path (model, &iter);
271 gtk_tree_model_get (model, &iter, 1, &list, -1);
272 fsel->familyidx = gtk_tree_path_get_indices (path)[0];
273 fsel->styleidx = 0;
275 store = gtk_list_store_new (1, G_TYPE_STRING);
277 for ( ; list ; list = list->next )
278 {
279 gtk_list_store_append (store, &iter);
280 gtk_list_store_set (store, &iter, 0, (char*)list->data, -1);
281 }
283 gtk_tree_view_set_model (GTK_TREE_VIEW (fsel->style_treeview), GTK_TREE_MODEL (store));
284 path = gtk_tree_path_new ();
285 gtk_tree_path_append_index (path, 0);
286 gtk_tree_selection_select_path (gtk_tree_view_get_selection (GTK_TREE_VIEW (fsel->style_treeview)), path);
287 gtk_tree_path_free (path);
288 }
290 static void sp_font_selector_style_select_row (GtkTreeSelection *selection,
291 SPFontSelector *fsel)
292 {
293 GtkTreeModel *model;
294 GtkTreePath *path;
295 GtkTreeIter iter;
297 if (!gtk_tree_selection_get_selected (selection, &model, &iter)) return;
299 path = gtk_tree_model_get_path (model, &iter);
300 fsel->styleidx = gtk_tree_path_get_indices (path)[0];
302 if (!fsel->block_emit)
303 {
304 sp_font_selector_emit_set (fsel);
305 }
306 }
308 static void sp_font_selector_size_changed (GtkComboBox *cbox, SPFontSelector *fsel)
309 {
310 char *sstr = gtk_combo_box_get_active_text (GTK_COMBO_BOX (fsel->size));
311 gfloat old_size = fsel->fontsize;
312 fsel->fontsize = MAX(atof(sstr), 0.1);
313 if ( fabs(fsel->fontsize-old_size) > 0.001)
314 {
315 fsel->fontsize_dirty = true;
316 }
318 sp_font_selector_emit_set (fsel);
320 free (sstr);
321 }
323 static void sp_font_selector_emit_set (SPFontSelector *fsel)
324 {
325 font_instance *font;
327 GtkTreeSelection *selection_family;
328 GtkTreeSelection *selection_style;
329 GtkTreeModel *model_family;
330 GtkTreeModel *model_style;
331 GtkTreeIter iter_family;
332 GtkTreeIter iter_style;
333 char *family=0, *style=0;
335 //We need to check this here since most GtkTreeModel operations are not atomic
336 //See GtkListStore documenation, Chapter "Atomic Operations" --mderezynski
338 model_family = gtk_tree_view_get_model (GTK_TREE_VIEW (fsel->family_treeview));
339 if (!model_family) return;
340 model_style = gtk_tree_view_get_model (GTK_TREE_VIEW (fsel->style_treeview));
341 if (!model_style) return;
343 selection_family = gtk_tree_view_get_selection (GTK_TREE_VIEW (fsel->family_treeview));
344 selection_style = gtk_tree_view_get_selection (GTK_TREE_VIEW (fsel->style_treeview));
346 if (!gtk_tree_selection_get_selected (selection_family, NULL, &iter_family)) return;
347 if (!gtk_tree_selection_get_selected (selection_style, NULL, &iter_style)) return;
349 gtk_tree_model_get (model_family, &iter_family, 0, &family, -1);
350 gtk_tree_model_get (model_style, &iter_style, 0, &style, -1);
352 if ((!family) || (!style)) return;
354 font = (font_factory::Default())->FaceFromDescr (family, style);
356 // FIXME: when a text object uses non-available font, font==NULL and we can't set size
357 // (and the size shown in the widget is invalid). To fix, here we must always get some
358 // default font, exactly the same as sptext uses for on-canvas display, so that
359 // font!=NULL ever.
360 if (font != fsel->font || ( font && fsel->fontsize_dirty ) ) {
361 if ( font ) {
362 font->Ref();
363 }
364 if ( fsel->font ) {
365 fsel->font->Unref();
366 }
367 fsel->font = font;
368 gtk_signal_emit(GTK_OBJECT(fsel), fs_signals[FONT_SET], fsel->font);
369 }
370 fsel->fontsize_dirty = false;
371 if (font) {
372 font->Unref();
373 }
374 font = NULL;
375 }
377 GtkWidget *sp_font_selector_new()
378 {
379 SPFontSelector *fsel = (SPFontSelector*) gtk_type_new(SP_TYPE_FONT_SELECTOR);
381 return (GtkWidget *) fsel;
382 }
384 void sp_font_selector_set_font (SPFontSelector *fsel, font_instance *font, double size)
385 {
386 if (font && (fsel->font != font || size != fsel->fontsize))
387 {
388 gchar family[256];
389 font->Family (family, 256);
391 Gtk::TreePath path;
393 try {
394 path = Inkscape::FontLister::get_instance()->get_row_for_font (family);
395 } catch (...) {
396 return;
397 }
399 fsel->block_emit = TRUE;
400 gtk_tree_selection_select_path (gtk_tree_view_get_selection (GTK_TREE_VIEW (fsel->family_treeview)), path.gobj());
401 gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (fsel->family_treeview), path.gobj(), NULL, TRUE, 0.5, 0.5);
402 fsel->block_emit = FALSE;
404 unsigned int i = path[0];
406 gchar descr[256];
407 font->Name(descr, 256);
409 GList *list = 0;
410 GtkTreeIter iter;
411 GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW(fsel->family_treeview));
412 gtk_tree_model_get_iter (model, &iter, path.gobj());
413 gtk_tree_model_get (model, &iter, 1, &list, -1);
415 std::string descr_best (descr);
416 descr_best += ((char*)list->data);
418 PangoFontDescription *descr_ = pango_font_description_from_string(descr);
419 PangoFontDescription *best_ = pango_font_description_from_string(descr_best.c_str());
421 unsigned int best_i = 0;
423 for ( ; list ; list = list->next)
424 {
425 std::string descr_try (descr);
426 descr_try += ((char*)list->data);
427 PangoFontDescription *try_ = pango_font_description_from_string(descr_try.c_str());
428 if (pango_font_description_better_match (descr_, best_, try_))
429 {
430 pango_font_description_free (best_);
431 best_ = pango_font_description_from_string (descr_try.c_str ());
432 best_i = i;
433 }
434 pango_font_description_free(try_);
435 ++i;
436 }
438 GtkTreePath *path_c = gtk_tree_path_new ();
439 gtk_tree_path_append_index (path_c, best_i);
440 gtk_tree_selection_select_path (gtk_tree_view_get_selection (GTK_TREE_VIEW (fsel->style_treeview)), path_c);
441 gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (fsel->style_treeview), path_c, NULL, TRUE, 0.5, 0.5);
443 if (size != fsel->fontsize)
444 {
445 gchar s[8];
446 g_snprintf (s, 8, "%.5g", size); // UI, so printf is ok
447 gtk_entry_set_text (GTK_ENTRY (GTK_BIN(fsel->size)->child), s);
448 fsel->fontsize = size;
449 }
450 }
451 }
453 font_instance* sp_font_selector_get_font(SPFontSelector *fsel)
454 {
455 if (fsel->font) {
456 fsel->font->Ref();
457 }
459 return fsel->font;
460 }
462 double sp_font_selector_get_size(SPFontSelector *fsel)
463 {
464 return fsel->fontsize;
465 }
467 /* SPFontPreview */
469 struct SPFontPreview
470 {
471 GtkDrawingArea darea;
473 font_instance *font;
474 raster_font *rfont;
475 gchar *phrase;
476 unsigned long rgba;
477 };
479 struct SPFontPreviewClass
480 {
481 GtkDrawingAreaClass parent_class;
482 };
484 static void sp_font_preview_class_init(SPFontPreviewClass *c);
485 static void sp_font_preview_init(SPFontPreview *fsel);
486 static void sp_font_preview_destroy(GtkObject *object);
488 void sp_font_preview_size_request(GtkWidget *widget, GtkRequisition *req);
489 static gint sp_font_preview_expose(GtkWidget *widget, GdkEventExpose *event);
491 static GtkDrawingAreaClass *fp_parent_class = NULL;
493 GtkType sp_font_preview_get_type()
494 {
495 static GtkType type = 0;
496 if (!type) {
497 static const GtkTypeInfo info = {
498 "SPFontPreview",
499 sizeof (SPFontPreview),
500 sizeof (SPFontPreviewClass),
501 (GtkClassInitFunc) sp_font_preview_class_init,
502 (GtkObjectInitFunc) sp_font_preview_init,
503 NULL, NULL, NULL
504 };
505 type = gtk_type_unique (GTK_TYPE_DRAWING_AREA, &info);
506 }
507 return type;
508 }
510 static void sp_font_preview_class_init (SPFontPreviewClass *c)
511 {
512 GtkObjectClass *object_class = (GtkObjectClass *) c;
513 GtkWidgetClass *widget_class = (GtkWidgetClass *) c;
515 fp_parent_class = (GtkDrawingAreaClass*) gtk_type_class(GTK_TYPE_DRAWING_AREA);
517 object_class->destroy = sp_font_preview_destroy;
519 widget_class->size_request = sp_font_preview_size_request;
520 widget_class->expose_event = sp_font_preview_expose;
521 }
523 static void sp_font_preview_init(SPFontPreview *fprev)
524 {
525 fprev->rgba = 0x000000ff;
526 }
528 static void sp_font_preview_destroy(GtkObject *object)
529 {
530 SPFontPreview *fprev = SP_FONT_PREVIEW (object);
532 if (fprev->rfont) {
533 fprev->rfont->Unref();
534 fprev->rfont = NULL;
535 }
537 if (fprev->font) {
538 fprev->font->Unref();
539 fprev->font = NULL;
540 }
542 g_free(fprev->phrase);
543 fprev->phrase = NULL;
545 if (GTK_OBJECT_CLASS (fp_parent_class)->destroy) {
546 GTK_OBJECT_CLASS (fp_parent_class)->destroy(object);
547 }
548 }
550 void sp_font_preview_size_request(GtkWidget *widget, GtkRequisition *req)
551 {
552 req->width = 256;
553 req->height = 32;
554 }
556 #define SPFP_MAX_LEN 64
558 static gint sp_font_preview_expose(GtkWidget *widget, GdkEventExpose *event)
559 {
560 SPFontPreview *fprev = SP_FONT_PREVIEW(widget);
562 if (GTK_WIDGET_DRAWABLE (widget)) {
563 if (fprev->rfont) {
565 int glyphs[SPFP_MAX_LEN];
566 double hpos[SPFP_MAX_LEN];
568 font_instance *tface = fprev->rfont->daddy;
570 double theSize = NR_MATRIX_DF_EXPANSION (&fprev->rfont->style.transform);
572 gchar const *p;
573 if (fprev->phrase) {
574 p = fprev->phrase;
575 } else {
576 /* TRANSLATORS: Test string used in text and font dialog (when no
577 * text has been entered) to get a preview of the font. Choose
578 * some representative characters that users of your locale will be
579 * interested in. */
580 p = _("AaBbCcIiPpQq12369$\342\202\254\302\242?.;/()");
581 }
582 int len = 0;
584 NRRect bbox;
585 bbox.x0 = bbox.y0 = bbox.x1 = bbox.y1 = 0.0;
587 text_wrapper* str_text=new text_wrapper;
588 str_text->SetDefaultFont(tface);
589 str_text->AppendUTF8(p,-1);
590 if ( str_text->uni32_length > 0 ) {
591 str_text->DoLayout();
592 if ( str_text->glyph_length > 0 ) {
593 PangoFont *curPF = NULL;
594 font_instance *curF = NULL;
595 for (int i = 0; i < str_text->glyph_length && i < SPFP_MAX_LEN; i++) {
596 if ( str_text->glyph_text[i].font != curPF ) {
597 curPF = str_text->glyph_text[i].font;
598 if (curF) {
599 curF->Unref();
600 }
601 curF = NULL;
602 if ( curPF ) {
603 PangoFontDescription* pfd = pango_font_describe(curPF);
604 curF = (font_factory::Default())->Face(pfd);
605 pango_font_description_free(pfd);
606 }
607 }
608 NR::Point base_pt(str_text->glyph_text[i].x, str_text->glyph_text[i].y);
609 base_pt *= theSize;
611 glyphs[len] = str_text->glyph_text[i].gl;
612 hpos[len] = base_pt[0];
613 len++;
614 if ( curF ) {
615 NR::Rect nbbox = curF->BBox(str_text->glyph_text[i].gl);
616 bbox.x0 = MIN(bbox.x0, base_pt[NR::X] + theSize * (nbbox.min())[0]);
617 bbox.y0 = MIN(bbox.y0, base_pt[NR::Y] - theSize * (nbbox.max())[1]);
618 bbox.x1 = MAX(bbox.x1, base_pt[NR::X] + theSize * (nbbox.max())[0]);
619 bbox.y1 = MAX(bbox.y1, base_pt[NR::Y] - theSize * (nbbox.min())[1]);
620 }
621 }
622 if ( curF ) {
623 curF->Unref();
624 }
625 }
626 }
628 // XXX: FIXME: why does this code ignore adv.y
629 /* while (p && *p && (len < SPFP_MAX_LEN)) {
630 unsigned int unival;
631 NRRect gbox;
632 unival = g_utf8_get_char (p);
633 glyphs[len] = tface->MapUnicodeChar( unival);
634 hpos[len] = (int)px;
635 NR::Point adv = fprev->rfont->Advance(glyphs[len]);
636 fprev->rfont->BBox( glyphs[len], &gbox);
637 bbox.x0 = MIN (px + gbox.x0, bbox.x0);
638 bbox.y0 = MIN (py + gbox.y0, bbox.y0);
639 bbox.x1 = MAX (px + gbox.x1, bbox.x1);
640 bbox.y1 = MAX (py + gbox.y1, bbox.y1);
641 px += adv[NR::X];
642 len += 1;
643 p = g_utf8_next_char (p);
644 }*/
646 float startx = (widget->allocation.width - (bbox.x1 - bbox.x0)) / 2;
647 float starty = widget->allocation.height - (widget->allocation.height - (bbox.y1 - bbox.y0)) / 2 - bbox.y1;
649 for (int y = event->area.y; y < event->area.y + event->area.height; y += 64) {
650 for (int x = event->area.x; x < event->area.x + event->area.width; x += 64) {
651 NRPixBlock pb, m;
652 int x0 = x;
653 int y0 = y;
654 int x1 = MIN(x0 + 64, event->area.x + event->area.width);
655 int y1 = MIN(y0 + 64, event->area.y + event->area.height);
656 guchar *ps = nr_pixelstore_16K_new (TRUE, 0xff);
657 nr_pixblock_setup_extern(&pb, NR_PIXBLOCK_MODE_R8G8B8, x0, y0, x1, y1, ps, 3 * (x1 - x0), FALSE, FALSE);
658 nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, x0, y0, x1, y1, TRUE);
659 pb.empty = FALSE;
661 PangoFont *curPF = NULL;
662 font_instance *curF = NULL;
663 raster_font *curRF = NULL;
664 for (int i=0; i < len; i++) {
665 if ( str_text->glyph_text[i].font != curPF ) {
666 curPF=str_text->glyph_text[i].font;
667 if ( curF ) {
668 curF->Unref();
669 }
670 curF = NULL;
671 if ( curPF ) {
672 PangoFontDescription* pfd = pango_font_describe(curPF);
673 curF=(font_factory::Default())->Face(pfd);
674 pango_font_description_free(pfd);
675 }
676 if ( curF ) {
677 if ( curRF ) {
678 curRF->Unref();
679 }
680 curRF = NULL;
681 curRF = curF->RasterFont(fprev->rfont->style);
682 }
683 }
684 raster_glyph *g = (curRF) ? curRF->GetGlyph(glyphs[i]) : NULL;
685 if ( g ) {
686 g->Blit(NR::Point(hpos[i] + startx, starty), m);
687 }
688 }
689 if (curRF) {
690 curRF->Unref();
691 }
692 if (curF) {
693 curF->Unref();
694 }
696 nr_blit_pixblock_mask_rgba32(&pb, &m, fprev->rgba);
697 gdk_draw_rgb_image(widget->window, widget->style->black_gc,
698 x0, y0, x1 - x0, y1 - y0,
699 GDK_RGB_DITHER_NONE, NR_PIXBLOCK_PX (&pb), pb.rs);
700 nr_pixblock_release(&m);
701 nr_pixblock_release(&pb);
702 nr_pixelstore_16K_free(ps);
703 }
704 }
706 delete str_text;
708 } else {
709 nr_gdk_draw_gray_garbage(widget->window, widget->style->black_gc,
710 event->area.x, event->area.y,
711 event->area.width, event->area.height);
712 }
713 }
715 return TRUE;
716 }
718 GtkWidget * sp_font_preview_new()
719 {
720 GtkWidget *w = (GtkWidget*) gtk_type_new(SP_TYPE_FONT_PREVIEW);
722 return w;
723 }
725 void sp_font_preview_set_font(SPFontPreview *fprev, font_instance *font, SPFontSelector *fsel)
726 {
727 if (font)
728 {
729 font->Ref();
730 }
732 if (fprev->font)
733 {
734 fprev->font->Unref();
735 }
737 fprev->font = font;
739 if (fprev->rfont)
740 {
741 fprev->rfont->Unref();
742 fprev->rfont=NULL;
743 }
745 if (fprev->font)
746 {
747 NRMatrix flip;
748 nr_matrix_set_scale (&flip, fsel->fontsize, -fsel->fontsize);
749 fprev->rfont = fprev->font->RasterFont(flip, 0);
750 }
752 if (GTK_WIDGET_DRAWABLE (fprev)) gtk_widget_queue_draw (GTK_WIDGET (fprev));
753 }
755 void sp_font_preview_set_rgba32(SPFontPreview *fprev, guint32 rgba)
756 {
757 fprev->rgba = rgba;
758 if (GTK_WIDGET_DRAWABLE (fprev)) {
759 gtk_widget_queue_draw (GTK_WIDGET (fprev));
760 }
761 }
763 void sp_font_preview_set_phrase(SPFontPreview *fprev, const gchar *phrase)
764 {
765 g_free (fprev->phrase);
766 if (phrase) {
767 fprev->phrase = g_strdup (phrase);
768 } else {
769 fprev->phrase = NULL;
770 }
771 if (GTK_WIDGET_DRAWABLE(fprev)) {
772 gtk_widget_queue_draw (GTK_WIDGET (fprev));
773 }
774 }
777 /*
778 Local Variables:
779 mode:c++
780 c-file-style:"stroustrup"
781 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
782 indent-tabs-mode:nil
783 fill-column:99
784 End:
785 */
786 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :