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moving trunk for module inkscape
[inkscape.git] / src / widgets / font-selector.cpp
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>
28 #include <gtk/gtkframe.h>
29 #include <gtk/gtkscrolledwindow.h>
30 #include <gtk/gtkclist.h>
31 #include <gtk/gtkvbox.h>
32 #include <gtk/gtkcombo.h>
33 #include <gtk/gtkentry.h>
34 #include <gtk/gtkdrawingarea.h>
36 #include "../display/nr-plain-stuff-gdk.h"
37 #include <glibmm/i18n.h>
39 #include "font-selector.h"
41 /* SPFontSelector */
43 struct SPFontSelector
44 {
45     GtkHBox hbox;
46     
47     unsigned int block_emit : 1;
48     
49     GtkWidget *family;
50     GtkWidget *style;
51     GtkWidget *size;
52     
53     NRNameList families;
54     NRStyleList styles;
55     int familyidx;
56     int styleidx;
57     gfloat fontsize;
58     bool fontsize_dirty;
59     font_instance *font;
60 };
63 struct SPFontSelectorClass
64 {
65     GtkHBoxClass parent_class;
66         
67     void (* font_set) (SPFontSelector *fsel, font_instance *font);
68 };
70 enum {
71     FONT_SET,
72     LAST_SIGNAL
73 };
75 static void sp_font_selector_class_init(SPFontSelectorClass *c);
76 static void sp_font_selector_init(SPFontSelector *fsel);
77 static void sp_font_selector_destroy(GtkObject *object);
79 static void sp_font_selector_family_select_row(GtkCList *clist, gint row, gint column,
80                                                GdkEvent *event, SPFontSelector *fsel);
81 static void sp_font_selector_style_select_row(GtkCList *clist, gint row, gint column,
82                                               GdkEvent *event, SPFontSelector *fsel);
83 static void sp_font_selector_size_changed(GtkEditable *editable, SPFontSelector *fsel);
85 static void sp_font_selector_emit_set(SPFontSelector *fsel);
87 static const gchar *sizes[] = {
88         "4", "6", "8", "9", "10", "11", "12", "13", "14",
89         "16", "18", "20", "22", "24", "28",
90         "32", "36", "40", "48", "56", "64", "72", "144",
91         NULL
92 };
94 static GtkHBoxClass *fs_parent_class = NULL;
95 static guint fs_signals[LAST_SIGNAL] = { 0 };
97 GtkType sp_font_selector_get_type()
98 {
99     static GtkType type = 0;
100     if (!type) {
101         static const GtkTypeInfo info = {
102             "SPFontSelector",
103             sizeof(SPFontSelector),
104             sizeof(SPFontSelectorClass),
105             (GtkClassInitFunc) sp_font_selector_class_init,
106             (GtkObjectInitFunc) sp_font_selector_init,
107             NULL, NULL, NULL
108         };
109         type = gtk_type_unique(GTK_TYPE_HBOX, &info);
110     }
111     return type;
114 static void sp_font_selector_class_init(SPFontSelectorClass *c)
116     GtkObjectClass *object_class = (GtkObjectClass *) c;
117   
118     fs_parent_class = (GtkHBoxClass* )gtk_type_class(GTK_TYPE_HBOX);
119         
120     fs_signals[FONT_SET] = gtk_signal_new ("font_set",
121                                            GTK_RUN_FIRST,
122                                            GTK_CLASS_TYPE(object_class),
123                                            GTK_SIGNAL_OFFSET(SPFontSelectorClass, font_set),
124                                            gtk_marshal_NONE__POINTER,
125                                            GTK_TYPE_NONE,
126                                            1, GTK_TYPE_POINTER);
127         
128         object_class->destroy = sp_font_selector_destroy;
131 static void sp_font_selector_init(SPFontSelector *fsel)
133         gtk_box_set_homogeneous(GTK_BOX(fsel), TRUE);
134         gtk_box_set_spacing(GTK_BOX(fsel), 4);
135         
136         /* Family frame */
137         GtkWidget *f = gtk_frame_new(_("Font family"));
138         gtk_widget_show(f);
139         gtk_box_pack_start(GTK_BOX(fsel), f, TRUE, TRUE, 0);
140         
141         GtkWidget *sw = gtk_scrolled_window_new(NULL, NULL);
142         gtk_widget_show(sw);
143         gtk_container_set_border_width(GTK_CONTAINER (sw), 4);
144         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
145         gtk_container_add(GTK_CONTAINER(f), sw);
146         
147         fsel->family = gtk_clist_new (1);
148         gtk_widget_show (fsel->family);
149         gtk_clist_set_selection_mode(GTK_CLIST(fsel->family), GTK_SELECTION_SINGLE);
150         gtk_clist_column_titles_hide(GTK_CLIST(fsel->family));
151         gtk_signal_connect(GTK_OBJECT(fsel->family), "select_row", GTK_SIGNAL_FUNC(sp_font_selector_family_select_row), fsel);
152         gtk_container_add(GTK_CONTAINER(sw), fsel->family);
153         
154         if ((font_factory::Default())->Families(&fsel->families)) {
155                 gtk_clist_freeze(GTK_CLIST(fsel->family));
156                 for (guint i = 0; i < fsel->families.length; i++) {
157                         gtk_clist_append(GTK_CLIST(fsel->family), (gchar **) fsel->families.names + i);
158                         gtk_clist_set_row_data(GTK_CLIST(fsel->family), i, GUINT_TO_POINTER(i));
159                 }
160                 gtk_clist_thaw(GTK_CLIST(fsel->family));
161         }
162         
163         /* Style frame */
164         f = gtk_frame_new(_("Style"));
165         gtk_widget_show(f);
166         gtk_box_pack_start(GTK_BOX (fsel), f, TRUE, TRUE, 0);
167         
168         GtkWidget *vb = gtk_vbox_new(FALSE, 4);
169         gtk_widget_show(vb);
170         gtk_container_set_border_width(GTK_CONTAINER (vb), 4);
171         gtk_container_add(GTK_CONTAINER(f), vb);
172         
173         sw = gtk_scrolled_window_new(NULL, NULL);
174         gtk_widget_show(sw);
175         gtk_container_set_border_width(GTK_CONTAINER (sw), 4);
176         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW (sw), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
177         gtk_box_pack_start(GTK_BOX (vb), sw, TRUE, TRUE, 0);
178         
179         fsel->style = gtk_clist_new (1);
180         gtk_widget_show (fsel->style);
181         gtk_clist_set_selection_mode(GTK_CLIST (fsel->style), GTK_SELECTION_SINGLE);
182         gtk_clist_column_titles_hide(GTK_CLIST (fsel->style));
183         gtk_signal_connect(GTK_OBJECT(fsel->style), "select_row", GTK_SIGNAL_FUNC (sp_font_selector_style_select_row), fsel);
184         gtk_container_add(GTK_CONTAINER(sw), fsel->style);
185         
186         GtkWidget *hb = gtk_hbox_new(FALSE, 4);
187         gtk_widget_show(hb);
188         gtk_box_pack_start(GTK_BOX(vb), hb, FALSE, FALSE, 0);
189         
190         fsel->size = gtk_combo_new();
191         gtk_widget_show (fsel->size);
192         gtk_combo_set_value_in_list(GTK_COMBO (fsel->size), FALSE, FALSE);
193         gtk_combo_set_use_arrows(GTK_COMBO (fsel->size), TRUE);
194         gtk_combo_set_use_arrows_always(GTK_COMBO (fsel->size), TRUE);
195         gtk_widget_set_size_request(fsel->size, 90, -1);
196         gtk_signal_connect(GTK_OBJECT(GTK_COMBO(fsel->size)->entry), "changed", GTK_SIGNAL_FUNC(sp_font_selector_size_changed), fsel);
197         gtk_box_pack_end(GTK_BOX(hb), fsel->size, FALSE, FALSE, 0);
198         
199         GtkWidget *l = gtk_label_new(_("Font size:"));
200         gtk_widget_show(l);
201         gtk_box_pack_end(GTK_BOX (hb), l, FALSE, FALSE, 0);
202         
203         /* Setup strings */
204         GList *sl = NULL;
205         for (int i = 0; sizes[i] != NULL; i++) {
206                 sl = g_list_prepend (sl, (gpointer) sizes[i]);
207         }
208         sl = g_list_reverse (sl);
209         gtk_combo_set_popdown_strings(GTK_COMBO(fsel->size), sl);
210         g_list_free (sl);
211         
212         fsel->familyidx = 0;
213         fsel->styleidx = 0;
214         fsel->fontsize = 10.0;
215         fsel->fontsize_dirty = false;
216         fsel->font = NULL;
219 static void sp_font_selector_destroy(GtkObject *object)
221     SPFontSelector *fsel = SP_FONT_SELECTOR (object);
222     
223     if (fsel->font) {
224         fsel->font->Unref();
225         fsel->font = NULL;
226     }
227     
228     if (fsel->families.length > 0) {
229         nr_name_list_release(&fsel->families);
230         fsel->families.length = 0;
231     }
232     
233     if (fsel->styles.length > 0) {
234         nr_style_list_release(&fsel->styles);
235         fsel->styles.length = 0;
236     }
237     
238     if (GTK_OBJECT_CLASS(fs_parent_class)->destroy) {
239         GTK_OBJECT_CLASS(fs_parent_class)->destroy(object);
240     }
243 static void sp_font_selector_family_select_row(GtkCList *clist, gint row, gint column,
244                                                GdkEvent *event, SPFontSelector *fsel)
246     fsel->familyidx = GPOINTER_TO_UINT (gtk_clist_get_row_data (clist, row));
247         
248     if (fsel->styles.length > 0) {
249         nr_style_list_release (&fsel->styles);
250         fsel->styles.length = 0;
251         fsel->styleidx = 0;
252     }
253     gtk_clist_clear (GTK_CLIST (fsel->style));
254     
255     if ( static_cast<unsigned int> (fsel->familyidx) < fsel->families.length ) {
256         
257         const gchar *family = (const gchar *) fsel->families.names[fsel->familyidx];
258         
259         if ((font_factory::Default())->Styles(family, &fsel->styles)) {
261             gtk_clist_freeze(GTK_CLIST(fsel->style));
262             for (unsigned int i = 0; i < fsel->styles.length; i++) {
263                 
264                 const gchar *p = (const gchar *) ((fsel->styles.records)[i].name);
265                                 
266                 gtk_clist_append(GTK_CLIST(fsel->style), (gchar **) &p);
267                 gtk_clist_set_row_data(GTK_CLIST(fsel->style), static_cast<gint> (i), GUINT_TO_POINTER (i));
268             }
269             gtk_clist_thaw(GTK_CLIST(fsel->style));
270             gtk_clist_select_row(GTK_CLIST(fsel->style), 0, 0);
271         }
272     }
275 static void sp_font_selector_style_select_row(GtkCList *clist, gint row, gint column,
276                                               GdkEvent *event, SPFontSelector *fsel)
278     fsel->styleidx = GPOINTER_TO_UINT(gtk_clist_get_row_data(clist, row));
279         
280     if (!fsel->block_emit) {
281         sp_font_selector_emit_set (fsel);
282     }
285 static void sp_font_selector_size_changed(GtkEditable *editable, SPFontSelector *fsel)
287     const gchar *sstr = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(fsel->size)->entry));
288     gfloat old_size = fsel->fontsize;
289     fsel->fontsize = MAX(atof(sstr), 0.1);
290     if ( fabs(fsel->fontsize-old_size) > 0.001) {
291         fsel->fontsize_dirty = true;
292     }
293         
294     sp_font_selector_emit_set(fsel);
297 static void sp_font_selector_emit_set(SPFontSelector *fsel)
299     font_instance *font;
300     
301     if (static_cast<unsigned int>(fsel->styleidx) < fsel->styles.length
302         && static_cast<unsigned int>(fsel->familyidx) < fsel->families.length)
303     {
304         font = (font_factory::Default())->FaceFromDescr ((gchar *) ((fsel->families.names)[fsel->familyidx]),
305                                                          (gchar *) ((fsel->styles.records)[fsel->styleidx].name));
306     } else {
307         font = NULL;
308     }
309     
310     // FIXME: when a text object uses non-available font, font==NULL and we can't set size
311     // (and the size shown in the widget is invalid). To fix, here we must always get some
312     // default font, exactly the same as sptext uses for on-canvas display, so that
313     // font!=NULL ever.
314     if (font != fsel->font || ( font && fsel->fontsize_dirty ) ) {
315         if ( font ) {
316             font->Ref();
317         }
318         if ( fsel->font ) {
319             fsel->font->Unref();
320         }
321         fsel->font = font;
322         gtk_signal_emit(GTK_OBJECT(fsel), fs_signals[FONT_SET], fsel->font);
323     }
324     fsel->fontsize_dirty = false;
325     if (font) {
326         font->Unref();
327     }
328     font = NULL;
331 GtkWidget *sp_font_selector_new()
333     SPFontSelector *fsel = (SPFontSelector*) gtk_type_new(SP_TYPE_FONT_SELECTOR);
334   
335     return (GtkWidget *) fsel;
338 void sp_font_selector_set_font(SPFontSelector *fsel, font_instance *font, double size)
340     GtkCList *fcl = GTK_CLIST(fsel->family);
341     GtkCList *scl = GTK_CLIST(fsel->style);
342         
343     if (font && (fsel->font != font || size != fsel->fontsize)) {
344         { // select family in the list
345             gchar family[256];
346             font->Family (family, 256);
348             unsigned int i;
349             for (i = 0; i < fsel->families.length; i++) {
350                 if (!strcasecmp (family, (gchar *)fsel->families.names[i])) {
351                     break;
352                 }
353             }
354             
355             if (i >= fsel->families.length) {
356                 return;
357             }
358                         
359             fsel->block_emit = TRUE;
360             gtk_clist_select_row(fcl, i, 0);
361             gtk_clist_moveto(fcl, i, 0, 0.66, 0.0);
362             fsel->block_emit = FALSE;
363         }
364                 
365         { // select best-matching style in the list
366             gchar descr[256];
367             font->Name(descr, 256);
368             PangoFontDescription *descr_ = pango_font_description_from_string(descr);
369             PangoFontDescription *best_ = pango_font_description_from_string((fsel->styles.records)[0].descr);
370             guint best_i = 0;
372             for (guint i = 0; i < fsel->styles.length; i++) {
373                 PangoFontDescription *try_ = pango_font_description_from_string((fsel->styles.records)[i].descr);
374                 if (pango_font_description_better_match(descr_, best_, try_)) {
375                     pango_font_description_free(best_);
376                     best_ = pango_font_description_from_string((fsel->styles.records)[i].descr);
377                     best_i = i;
378                 }
379                 pango_font_description_free(try_);
380             }
381             
382             gtk_clist_select_row(scl, best_i, 0);
383             gtk_clist_moveto(scl, best_i, 0, 0.66, 0.0);
384         }
385         
386         if (size != fsel->fontsize) {
387             gchar s[8];
388             g_snprintf (s, 8, "%.5g", size); // UI, so printf is ok
389             gtk_entry_set_text (GTK_ENTRY (GTK_COMBO (fsel->size)->entry), s);
390             fsel->fontsize = size;
391         }
392     }
395 font_instance* sp_font_selector_get_font(SPFontSelector *fsel)
397     if (fsel->font) {
398         fsel->font->Ref();
399     }
400     
401     return fsel->font;
404 double sp_font_selector_get_size(SPFontSelector *fsel)
406     return fsel->fontsize;
409 /* SPFontPreview */
411 struct SPFontPreview
413     GtkDrawingArea darea;
414     
415     font_instance *font;
416     raster_font *rfont;
417     gchar *phrase;
418     unsigned long rgba;
419 };
421 struct SPFontPreviewClass
423     GtkDrawingAreaClass parent_class;
424 };
426 static void sp_font_preview_class_init(SPFontPreviewClass *c);
427 static void sp_font_preview_init(SPFontPreview *fsel);
428 static void sp_font_preview_destroy(GtkObject *object);
430 void sp_font_preview_size_request(GtkWidget *widget, GtkRequisition *req);
431 static gint sp_font_preview_expose(GtkWidget *widget, GdkEventExpose *event);
433 static GtkDrawingAreaClass *fp_parent_class = NULL;
435 GtkType sp_font_preview_get_type()
437     static GtkType type = 0;
438     if (!type) {
439         static const GtkTypeInfo info = {
440             "SPFontPreview",
441             sizeof (SPFontPreview),
442             sizeof (SPFontPreviewClass),
443             (GtkClassInitFunc) sp_font_preview_class_init,
444             (GtkObjectInitFunc) sp_font_preview_init,
445             NULL, NULL, NULL
446         };
447         type = gtk_type_unique (GTK_TYPE_DRAWING_AREA, &info);
448     }
449     return type;
452 static void sp_font_preview_class_init (SPFontPreviewClass *c)
454     GtkObjectClass *object_class = (GtkObjectClass *) c;
455     GtkWidgetClass *widget_class = (GtkWidgetClass *) c;
456     
457     fp_parent_class = (GtkDrawingAreaClass*) gtk_type_class(GTK_TYPE_DRAWING_AREA);
458     
459     object_class->destroy = sp_font_preview_destroy;
460         
461     widget_class->size_request = sp_font_preview_size_request;
462     widget_class->expose_event = sp_font_preview_expose;
465 static void sp_font_preview_init(SPFontPreview *fprev)
467     fprev->rgba = 0x000000ff;
470 static void sp_font_preview_destroy(GtkObject *object)
472     SPFontPreview *fprev = SP_FONT_PREVIEW (object);
473         
474     if (fprev->rfont) {
475         fprev->rfont->Unref();
476         fprev->rfont = NULL;
477     }
478         
479     if (fprev->font) {
480         fprev->font->Unref();
481         fprev->font = NULL;
482     }
483         
484     g_free(fprev->phrase);
485     fprev->phrase = NULL;
486         
487     if (GTK_OBJECT_CLASS (fp_parent_class)->destroy) {
488         GTK_OBJECT_CLASS (fp_parent_class)->destroy(object);
489     }
492 void sp_font_preview_size_request(GtkWidget *widget, GtkRequisition *req)
494     req->width = 256;
495     req->height = 32;
498 #define SPFP_MAX_LEN 64
500 static gint sp_font_preview_expose(GtkWidget *widget, GdkEventExpose *event)
502     SPFontPreview *fprev = SP_FONT_PREVIEW(widget);
503         
504     if (GTK_WIDGET_DRAWABLE (widget)) {
505         if (fprev->rfont) {
506             
507             int glyphs[SPFP_MAX_LEN];
508             double hpos[SPFP_MAX_LEN];
509             
510             font_instance *tface = fprev->rfont->daddy;
511             
512             double theSize = NR_MATRIX_DF_EXPANSION (&fprev->rfont->style.transform);
513             
514             gchar const *p;
515             if (fprev->phrase) {
516                 p = fprev->phrase;
517             } else {
518                 /* TRANSLATORS: Test string used in text and font dialog (when no
519                  * text has been entered) to get a preview of the font.  Choose
520                  * some representative characters that users of your locale will be
521                  * interested in. */
522                 p = _("AaBbCcIiPpQq12368.;/()");
523             }
524             int len = 0;
525             
526             NRRect bbox;
527             bbox.x0 = bbox.y0 = bbox.x1 = bbox.y1 = 0.0;
528             
529             text_wrapper* str_text=new text_wrapper;
530             str_text->SetDefaultFont(tface);
531             str_text->AppendUTF8(p,-1);
532             if ( str_text->uni32_length > 0 ) {
533                 str_text->DoLayout();
534                 if ( str_text->glyph_length > 0 ) {
535                     PangoFont *curPF = NULL;
536                     font_instance *curF = NULL;
537                     for (int i = 0; i < str_text->glyph_length && i < SPFP_MAX_LEN; i++) {
538                         if ( str_text->glyph_text[i].font != curPF ) {
539                             curPF = str_text->glyph_text[i].font;
540                             if (curF) {
541                                 curF->Unref();
542                             }
543                             curF = NULL;
544                             if ( curPF ) {
545                                 PangoFontDescription* pfd = pango_font_describe(curPF);
546                                 curF = (font_factory::Default())->Face(pfd);
547                                 pango_font_description_free(pfd);
548                             }
549                         }
550                         NR::Point base_pt(str_text->glyph_text[i].x, str_text->glyph_text[i].y);
551                         base_pt *= theSize;
552                                                 
553                         glyphs[len] = str_text->glyph_text[i].gl;
554                         hpos[len] = base_pt[0];
555                         len++;
556                         if ( curF ) {
557                             NR::Rect nbbox = curF->BBox(str_text->glyph_text[i].gl);
558                             bbox.x0 = MIN(bbox.x0, base_pt[NR::X] + theSize * (nbbox.min())[0]);
559                             bbox.y0 = MIN(bbox.y0, base_pt[NR::Y] - theSize * (nbbox.max())[1]);
560                             bbox.x1 = MAX(bbox.x1, base_pt[NR::X] + theSize * (nbbox.max())[0]);
561                             bbox.y1 = MAX(bbox.y1, base_pt[NR::Y] - theSize * (nbbox.min())[1]);
562                         }
563                     }
564                     if ( curF ) {
565                         curF->Unref();
566                     }
567                 }
568             }
569             
570             // XXX: FIXME: why does this code ignore adv.y
571             /*                  while (p && *p && (len < SPFP_MAX_LEN)) {
572                                 unsigned int unival;
573                                 NRRect gbox;
574                                 unival = g_utf8_get_char (p);
575                                 glyphs[len] =  tface->MapUnicodeChar( unival);
576                                 hpos[len] = (int)px;
577                                 NR::Point adv = fprev->rfont->Advance(glyphs[len]);
578                                 fprev->rfont->BBox( glyphs[len], &gbox);
579                                 bbox.x0 = MIN (px + gbox.x0, bbox.x0);
580                                 bbox.y0 = MIN (py + gbox.y0, bbox.y0);
581                                 bbox.x1 = MAX (px + gbox.x1, bbox.x1);
582                                 bbox.y1 = MAX (py + gbox.y1, bbox.y1);
583                                 px += adv[NR::X];
584                                 len += 1;
585                                 p = g_utf8_next_char (p);
586                                 }*/
587             
588             float startx = (widget->allocation.width - (bbox.x1 - bbox.x0)) / 2;
589             float starty = widget->allocation.height - (widget->allocation.height - (bbox.y1 - bbox.y0)) / 2 - bbox.y1;
590                         
591             for (int y = event->area.y; y < event->area.y + event->area.height; y += 64) {
592                 for (int x = event->area.x; x < event->area.x + event->area.width; x += 64) {
593                     NRPixBlock pb, m;
594                     int x0 = x;
595                     int y0 = y;
596                     int x1 = MIN(x0 + 64, event->area.x + event->area.width);
597                     int y1 = MIN(y0 + 64, event->area.y + event->area.height);
598                     guchar *ps = nr_pixelstore_16K_new (TRUE, 0xff);
599                     nr_pixblock_setup_extern(&pb, NR_PIXBLOCK_MODE_R8G8B8, x0, y0, x1, y1, ps, 3 * (x1 - x0), FALSE, FALSE);
600                     nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, x0, y0, x1, y1, TRUE);
601                     pb.empty = FALSE;
602                     
603                     PangoFont *curPF = NULL;
604                     font_instance *curF = NULL;
605                     raster_font *curRF = NULL;
606                     for (int i=0; i < len; i++) {
607                         if ( str_text->glyph_text[i].font != curPF ) {
608                             curPF=str_text->glyph_text[i].font;
609                             if ( curF ) {
610                                 curF->Unref();
611                             }
612                             curF = NULL;
613                             if ( curPF ) {
614                                 PangoFontDescription* pfd = pango_font_describe(curPF);
615                                 curF=(font_factory::Default())->Face(pfd);
616                                 pango_font_description_free(pfd);
617                             }
618                             if ( curF ) {
619                                 if ( curRF ) {
620                                     curRF->Unref();
621                                 }
622                                 curRF = NULL;
623                                 curRF = curF->RasterFont(fprev->rfont->style);
624                             }
625                         }
626                         raster_glyph *g = (curRF) ? curRF->GetGlyph(glyphs[i]) : NULL;
627                         if ( g ) {
628                             g->Blit(NR::Point(hpos[i] + startx, starty), m);
629                         }
630                     }
631                     if (curRF) {
632                         curRF->Unref();
633                     }
634                     if (curF) {
635                         curF->Unref();
636                     }
637                     
638                     nr_blit_pixblock_mask_rgba32(&pb, &m, fprev->rgba);
639                     gdk_draw_rgb_image(widget->window, widget->style->black_gc,
640                                        x0, y0, x1 - x0, y1 - y0,
641                                        GDK_RGB_DITHER_NONE, NR_PIXBLOCK_PX (&pb), pb.rs);
642                     nr_pixblock_release(&m);
643                     nr_pixblock_release(&pb);
644                     nr_pixelstore_16K_free(ps);
645                 }
646             }
647             
648             delete str_text;
649             
650         } else {
651             nr_gdk_draw_gray_garbage(widget->window, widget->style->black_gc,
652                                      event->area.x, event->area.y,
653                                      event->area.width, event->area.height);
654         }
655     }
656     
657     return TRUE;
660 GtkWidget * sp_font_preview_new()
662     GtkWidget *w = (GtkWidget*) gtk_type_new(SP_TYPE_FONT_PREVIEW);
663     
664     return w;
667 void sp_font_preview_set_font(SPFontPreview *fprev, font_instance *font, SPFontSelector *fsel)
669     if (font != fprev->font) {
670         if (font) {
671             font->Ref();
672         }
673         if (fprev->font) {
674             fprev->font->Unref();
675         }
676         fprev->font = font;
677         
678         if (fprev->rfont) {
679             fprev->rfont->Unref();
680             fprev->rfont=NULL;
681         }
682         if (fprev->font) {
683             NRMatrix flip;
684             nr_matrix_set_scale (&flip, fsel->fontsize, -fsel->fontsize);
685             fprev->rfont = fprev->font->RasterFont(flip, 0);
686         }
687         if (GTK_WIDGET_DRAWABLE (fprev)) gtk_widget_queue_draw (GTK_WIDGET (fprev));
688     }
691 void sp_font_preview_set_rgba32(SPFontPreview *fprev, guint32 rgba)
693     fprev->rgba = rgba;
694     if (GTK_WIDGET_DRAWABLE (fprev)) {
695         gtk_widget_queue_draw (GTK_WIDGET (fprev));
696     }
699 void sp_font_preview_set_phrase(SPFontPreview *fprev, const gchar *phrase)
701     g_free (fprev->phrase);
702     if (phrase) {
703         fprev->phrase = g_strdup (phrase);
704     } else {
705         fprev->phrase = NULL;
706     }
707     if (GTK_WIDGET_DRAWABLE(fprev)) {
708         gtk_widget_queue_draw (GTK_WIDGET (fprev));
709     }
713 /*
714   Local Variables:
715   mode:c++
716   c-file-style:"stroustrup"
717   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
718   indent-tabs-mode:nil
719   fill-column:99
720   End:
721 */
722 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :