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 {
387 if (font && (fsel->font != font || size != fsel->fontsize))
388 {
389 gchar family[256];
390 font->Family (family, 256);
392 Gtk::TreePath path = Inkscape::FontLister::get_instance()->get_row_for_font (family);
394 fsel->block_emit = TRUE;
395 gtk_tree_selection_select_path (gtk_tree_view_get_selection (GTK_TREE_VIEW (fsel->family_treeview)), path.gobj());
396 gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (fsel->family_treeview), path.gobj(), NULL, TRUE, 0.5, 0.5);
397 fsel->block_emit = FALSE;
399 unsigned int i = path[0];
401 gchar descr[256];
402 font->Name(descr, 256);
404 GList *list = 0;
405 GtkTreeIter iter;
406 GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW(fsel->family_treeview));
407 gtk_tree_model_get_iter (model, &iter, path.gobj());
408 gtk_tree_model_get (model, &iter, 1, &list, -1);
410 std::string descr_best (descr);
411 descr_best += ((char*)list->data);
413 PangoFontDescription *descr_ = pango_font_description_from_string(descr);
414 PangoFontDescription *best_ = pango_font_description_from_string(descr_best.c_str());
416 unsigned int best_i = 0;
418 for ( ; list ; list = list->next)
419 {
420 std::string descr_try (descr);
421 descr_try += ((char*)list->data);
422 PangoFontDescription *try_ = pango_font_description_from_string(descr_try.c_str());
423 if (pango_font_description_better_match (descr_, best_, try_))
424 {
425 pango_font_description_free (best_);
426 best_ = pango_font_description_from_string (descr_try.c_str ());
427 best_i = i;
428 }
429 pango_font_description_free(try_);
430 ++i;
431 }
433 GtkTreePath *path_c = gtk_tree_path_new ();
434 gtk_tree_path_append_index (path_c, best_i);
435 gtk_tree_selection_select_path (gtk_tree_view_get_selection (GTK_TREE_VIEW (fsel->style_treeview)), path_c);
436 gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (fsel->style_treeview), path_c, NULL, TRUE, 0.5, 0.5);
438 if (size != fsel->fontsize)
439 {
440 gchar s[8];
441 g_snprintf (s, 8, "%.5g", size); // UI, so printf is ok
442 gtk_entry_set_text (GTK_ENTRY (GTK_BIN(fsel->size)->child), s);
443 fsel->fontsize = size;
444 }
445 }
446 }
448 font_instance* sp_font_selector_get_font(SPFontSelector *fsel)
449 {
450 if (fsel->font) {
451 fsel->font->Ref();
452 }
454 return fsel->font;
455 }
457 double sp_font_selector_get_size(SPFontSelector *fsel)
458 {
459 return fsel->fontsize;
460 }
462 /* SPFontPreview */
464 struct SPFontPreview
465 {
466 GtkDrawingArea darea;
468 font_instance *font;
469 raster_font *rfont;
470 gchar *phrase;
471 unsigned long rgba;
472 };
474 struct SPFontPreviewClass
475 {
476 GtkDrawingAreaClass parent_class;
477 };
479 static void sp_font_preview_class_init(SPFontPreviewClass *c);
480 static void sp_font_preview_init(SPFontPreview *fsel);
481 static void sp_font_preview_destroy(GtkObject *object);
483 void sp_font_preview_size_request(GtkWidget *widget, GtkRequisition *req);
484 static gint sp_font_preview_expose(GtkWidget *widget, GdkEventExpose *event);
486 static GtkDrawingAreaClass *fp_parent_class = NULL;
488 GtkType sp_font_preview_get_type()
489 {
490 static GtkType type = 0;
491 if (!type) {
492 static const GtkTypeInfo info = {
493 "SPFontPreview",
494 sizeof (SPFontPreview),
495 sizeof (SPFontPreviewClass),
496 (GtkClassInitFunc) sp_font_preview_class_init,
497 (GtkObjectInitFunc) sp_font_preview_init,
498 NULL, NULL, NULL
499 };
500 type = gtk_type_unique (GTK_TYPE_DRAWING_AREA, &info);
501 }
502 return type;
503 }
505 static void sp_font_preview_class_init (SPFontPreviewClass *c)
506 {
507 GtkObjectClass *object_class = (GtkObjectClass *) c;
508 GtkWidgetClass *widget_class = (GtkWidgetClass *) c;
510 fp_parent_class = (GtkDrawingAreaClass*) gtk_type_class(GTK_TYPE_DRAWING_AREA);
512 object_class->destroy = sp_font_preview_destroy;
514 widget_class->size_request = sp_font_preview_size_request;
515 widget_class->expose_event = sp_font_preview_expose;
516 }
518 static void sp_font_preview_init(SPFontPreview *fprev)
519 {
520 fprev->rgba = 0x000000ff;
521 }
523 static void sp_font_preview_destroy(GtkObject *object)
524 {
525 SPFontPreview *fprev = SP_FONT_PREVIEW (object);
527 if (fprev->rfont) {
528 fprev->rfont->Unref();
529 fprev->rfont = NULL;
530 }
532 if (fprev->font) {
533 fprev->font->Unref();
534 fprev->font = NULL;
535 }
537 g_free(fprev->phrase);
538 fprev->phrase = NULL;
540 if (GTK_OBJECT_CLASS (fp_parent_class)->destroy) {
541 GTK_OBJECT_CLASS (fp_parent_class)->destroy(object);
542 }
543 }
545 void sp_font_preview_size_request(GtkWidget *widget, GtkRequisition *req)
546 {
547 req->width = 256;
548 req->height = 32;
549 }
551 #define SPFP_MAX_LEN 64
553 static gint sp_font_preview_expose(GtkWidget *widget, GdkEventExpose *event)
554 {
555 SPFontPreview *fprev = SP_FONT_PREVIEW(widget);
557 if (GTK_WIDGET_DRAWABLE (widget)) {
558 if (fprev->rfont) {
560 int glyphs[SPFP_MAX_LEN];
561 double hpos[SPFP_MAX_LEN];
563 font_instance *tface = fprev->rfont->daddy;
565 double theSize = NR_MATRIX_DF_EXPANSION (&fprev->rfont->style.transform);
567 gchar const *p;
568 if (fprev->phrase) {
569 p = fprev->phrase;
570 } else {
571 /* TRANSLATORS: Test string used in text and font dialog (when no
572 * text has been entered) to get a preview of the font. Choose
573 * some representative characters that users of your locale will be
574 * interested in. */
575 p = _("AaBbCcIiPpQq12369$\342\202\254\302\242?.;/()");
576 }
577 int len = 0;
579 NRRect bbox;
580 bbox.x0 = bbox.y0 = bbox.x1 = bbox.y1 = 0.0;
582 text_wrapper* str_text=new text_wrapper;
583 str_text->SetDefaultFont(tface);
584 str_text->AppendUTF8(p,-1);
585 if ( str_text->uni32_length > 0 ) {
586 str_text->DoLayout();
587 if ( str_text->glyph_length > 0 ) {
588 PangoFont *curPF = NULL;
589 font_instance *curF = NULL;
590 for (int i = 0; i < str_text->glyph_length && i < SPFP_MAX_LEN; i++) {
591 if ( str_text->glyph_text[i].font != curPF ) {
592 curPF = str_text->glyph_text[i].font;
593 if (curF) {
594 curF->Unref();
595 }
596 curF = NULL;
597 if ( curPF ) {
598 PangoFontDescription* pfd = pango_font_describe(curPF);
599 curF = (font_factory::Default())->Face(pfd);
600 pango_font_description_free(pfd);
601 }
602 }
603 NR::Point base_pt(str_text->glyph_text[i].x, str_text->glyph_text[i].y);
604 base_pt *= theSize;
606 glyphs[len] = str_text->glyph_text[i].gl;
607 hpos[len] = base_pt[0];
608 len++;
609 if ( curF ) {
610 NR::Rect nbbox = curF->BBox(str_text->glyph_text[i].gl);
611 bbox.x0 = MIN(bbox.x0, base_pt[NR::X] + theSize * (nbbox.min())[0]);
612 bbox.y0 = MIN(bbox.y0, base_pt[NR::Y] - theSize * (nbbox.max())[1]);
613 bbox.x1 = MAX(bbox.x1, base_pt[NR::X] + theSize * (nbbox.max())[0]);
614 bbox.y1 = MAX(bbox.y1, base_pt[NR::Y] - theSize * (nbbox.min())[1]);
615 }
616 }
617 if ( curF ) {
618 curF->Unref();
619 }
620 }
621 }
623 // XXX: FIXME: why does this code ignore adv.y
624 /* while (p && *p && (len < SPFP_MAX_LEN)) {
625 unsigned int unival;
626 NRRect gbox;
627 unival = g_utf8_get_char (p);
628 glyphs[len] = tface->MapUnicodeChar( unival);
629 hpos[len] = (int)px;
630 NR::Point adv = fprev->rfont->Advance(glyphs[len]);
631 fprev->rfont->BBox( glyphs[len], &gbox);
632 bbox.x0 = MIN (px + gbox.x0, bbox.x0);
633 bbox.y0 = MIN (py + gbox.y0, bbox.y0);
634 bbox.x1 = MAX (px + gbox.x1, bbox.x1);
635 bbox.y1 = MAX (py + gbox.y1, bbox.y1);
636 px += adv[NR::X];
637 len += 1;
638 p = g_utf8_next_char (p);
639 }*/
641 float startx = (widget->allocation.width - (bbox.x1 - bbox.x0)) / 2;
642 float starty = widget->allocation.height - (widget->allocation.height - (bbox.y1 - bbox.y0)) / 2 - bbox.y1;
644 for (int y = event->area.y; y < event->area.y + event->area.height; y += 64) {
645 for (int x = event->area.x; x < event->area.x + event->area.width; x += 64) {
646 NRPixBlock pb, m;
647 int x0 = x;
648 int y0 = y;
649 int x1 = MIN(x0 + 64, event->area.x + event->area.width);
650 int y1 = MIN(y0 + 64, event->area.y + event->area.height);
651 guchar *ps = nr_pixelstore_16K_new (TRUE, 0xff);
652 nr_pixblock_setup_extern(&pb, NR_PIXBLOCK_MODE_R8G8B8, x0, y0, x1, y1, ps, 3 * (x1 - x0), FALSE, FALSE);
653 nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, x0, y0, x1, y1, TRUE);
654 pb.empty = FALSE;
656 PangoFont *curPF = NULL;
657 font_instance *curF = NULL;
658 raster_font *curRF = NULL;
659 for (int i=0; i < len; i++) {
660 if ( str_text->glyph_text[i].font != curPF ) {
661 curPF=str_text->glyph_text[i].font;
662 if ( curF ) {
663 curF->Unref();
664 }
665 curF = NULL;
666 if ( curPF ) {
667 PangoFontDescription* pfd = pango_font_describe(curPF);
668 curF=(font_factory::Default())->Face(pfd);
669 pango_font_description_free(pfd);
670 }
671 if ( curF ) {
672 if ( curRF ) {
673 curRF->Unref();
674 }
675 curRF = NULL;
676 curRF = curF->RasterFont(fprev->rfont->style);
677 }
678 }
679 raster_glyph *g = (curRF) ? curRF->GetGlyph(glyphs[i]) : NULL;
680 if ( g ) {
681 g->Blit(NR::Point(hpos[i] + startx, starty), m);
682 }
683 }
684 if (curRF) {
685 curRF->Unref();
686 }
687 if (curF) {
688 curF->Unref();
689 }
691 nr_blit_pixblock_mask_rgba32(&pb, &m, fprev->rgba);
692 gdk_draw_rgb_image(widget->window, widget->style->black_gc,
693 x0, y0, x1 - x0, y1 - y0,
694 GDK_RGB_DITHER_NONE, NR_PIXBLOCK_PX (&pb), pb.rs);
695 nr_pixblock_release(&m);
696 nr_pixblock_release(&pb);
697 nr_pixelstore_16K_free(ps);
698 }
699 }
701 delete str_text;
703 } else {
704 nr_gdk_draw_gray_garbage(widget->window, widget->style->black_gc,
705 event->area.x, event->area.y,
706 event->area.width, event->area.height);
707 }
708 }
710 return TRUE;
711 }
713 GtkWidget * sp_font_preview_new()
714 {
715 GtkWidget *w = (GtkWidget*) gtk_type_new(SP_TYPE_FONT_PREVIEW);
717 return w;
718 }
720 void sp_font_preview_set_font(SPFontPreview *fprev, font_instance *font, SPFontSelector *fsel)
721 {
722 if (font)
723 {
724 font->Ref();
725 }
727 if (fprev->font)
728 {
729 fprev->font->Unref();
730 }
732 fprev->font = font;
734 if (fprev->rfont)
735 {
736 fprev->rfont->Unref();
737 fprev->rfont=NULL;
738 }
740 if (fprev->font)
741 {
742 NRMatrix flip;
743 nr_matrix_set_scale (&flip, fsel->fontsize, -fsel->fontsize);
744 fprev->rfont = fprev->font->RasterFont(flip, 0);
745 }
747 if (GTK_WIDGET_DRAWABLE (fprev)) gtk_widget_queue_draw (GTK_WIDGET (fprev));
748 }
750 void sp_font_preview_set_rgba32(SPFontPreview *fprev, guint32 rgba)
751 {
752 fprev->rgba = rgba;
753 if (GTK_WIDGET_DRAWABLE (fprev)) {
754 gtk_widget_queue_draw (GTK_WIDGET (fprev));
755 }
756 }
758 void sp_font_preview_set_phrase(SPFontPreview *fprev, const gchar *phrase)
759 {
760 g_free (fprev->phrase);
761 if (phrase) {
762 fprev->phrase = g_strdup (phrase);
763 } else {
764 fprev->phrase = NULL;
765 }
766 if (GTK_WIDGET_DRAWABLE(fprev)) {
767 gtk_widget_queue_draw (GTK_WIDGET (fprev));
768 }
769 }
772 /*
773 Local Variables:
774 mode:c++
775 c-file-style:"stroustrup"
776 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
777 indent-tabs-mode:nil
778 fill-column:99
779 End:
780 */
781 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :