1 /**
2 * \brief SVG Fonts dialog
3 *
4 * Authors:
5 * Felipe C. da S. Sanches <felipe.sanches@gmail.com>
6 *
7 * Copyright (C) 2008 Authors
8 *
9 * Released under GNU GPLv2 (or later). Read the file 'COPYING' for more information.
10 */
12 #ifdef HAVE_CONFIG_H
13 # include <config.h>
14 #endif
16 #ifdef ENABLE_SVG_FONTS
18 #include "svg-fonts-dialog.h"
19 #include <string.h>
21 SvgFontDrawingArea::SvgFontDrawingArea(){
22 this->text = "";
23 this->svgfont = NULL;
24 }
26 void SvgFontDrawingArea::set_svgfont(SvgFont* svgfont){
27 this->svgfont = svgfont;
28 }
30 void SvgFontDrawingArea::set_text(Glib::ustring text){
31 this->text = text;
32 }
34 void SvgFontDrawingArea::set_size(int x, int y){
35 this->x = x;
36 this->y = y;
37 ((Gtk::Widget*) this)->set_size_request(x, y);
38 }
40 void SvgFontDrawingArea::redraw(){
41 ((Gtk::Widget*) this)->queue_draw();
42 }
44 bool SvgFontDrawingArea::on_expose_event (GdkEventExpose *event){
45 if (this->svgfont){
46 Glib::RefPtr<Gdk::Window> window = get_window();
47 Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
48 cr->set_font_face( Cairo::RefPtr<Cairo::FontFace>(new Cairo::FontFace(this->svgfont->get_font_face(), false /* does not have reference */)) );
49 cr->set_font_size (this->y-20);
50 cr->move_to (10, 10);
51 cr->show_text (this->text.c_str());
52 }
53 return TRUE;
54 }
56 namespace Inkscape {
57 namespace UI {
58 namespace Dialog {
60 /*** SvgFontsDialog ***/
62 GlyphComboBox::GlyphComboBox(){
63 }
65 void GlyphComboBox::update(SPFont* spfont){
66 if (spfont) {
67 this->clear();
68 for(SPObject* node = spfont->children; node; node=node->next){
69 if (SP_IS_GLYPH(node)){
70 this->append_text(((SPGlyph*)node)->unicode);
71 }
72 }
73 }
74 }
76 void SvgFontsDialog::on_kerning_changed(){
77 if (this->kerning_pair){
78 this->kerning_pair->k = kerning_spin.get_value();
79 kerning_preview.redraw();
80 _font_da.redraw();
81 }
82 }
84 void SvgFontsDialog::on_glyphs_changed(){
85 std::string str1(first_glyph.get_active_text());
86 std::string str2(second_glyph.get_active_text());
87 kerning_preview.set_text((gchar*) (str1+str2).c_str());
88 kerning_preview.redraw();
91 //look for this kerning pair on the currently selected font
92 this->kerning_pair = NULL;
93 for(SPObject* node = this->get_selected_spfont()->children; node; node=node->next){
94 if (SP_IS_HKERN(node) && ((SPGlyphKerning*)node)->u1->contains((gchar) first_glyph.get_active_text().c_str()[0])
95 && ((SPGlyphKerning*)node)->u2->contains((gchar) second_glyph.get_active_text().c_str()[0]) ){
96 this->kerning_pair = (SPGlyphKerning*)node;
97 continue;
98 }
99 }
101 //TODO:
102 //if not found,
103 //create new kern node
104 if (this->kerning_pair)
105 kerning_spin.set_value(this->kerning_pair->k);
106 }
108 /* Add all fonts in the document to the combobox. */
109 void SvgFontsDialog::update_fonts()
110 {
111 SPDesktop* desktop = this->getDesktop();
112 SPDocument* document = sp_desktop_document(desktop);
113 const GSList* fonts = sp_document_get_resource_list(document, "font");
115 _model->clear();
116 for(const GSList *l = fonts; l; l = l->next) {
117 Gtk::TreeModel::Row row = *_model->append();
118 SPFont* f = (SPFont*)l->data;
119 row[_columns.spfont] = f;
120 row[_columns.svgfont] = new SvgFont(f);
121 const gchar* lbl = f->label();
122 const gchar* id = SP_OBJECT_ID(f);
123 row[_columns.label] = lbl ? lbl : (id ? id : "font");
124 }
125 }
127 void SvgFontsDialog::on_preview_text_changed(){
128 _font_da.set_text((gchar*) _preview_entry.get_text().c_str());
129 _font_da.set_text(_preview_entry.get_text());
130 _font_da.redraw();
131 }
133 void SvgFontsDialog::on_font_selection_changed(){
134 SPFont* spfont = this->get_selected_spfont();
135 SvgFont* svgfont = this->get_selected_svgfont();
136 first_glyph.update(spfont);
137 second_glyph.update(spfont);
138 kerning_preview.set_svgfont(svgfont);
139 _font_da.set_svgfont(svgfont);
140 _font_da.redraw();
142 int steps = 50;
143 double set_width = spfont->horiz_adv_x;
144 kerning_spin.set_range(0,set_width);
145 kerning_spin.set_increments(int(set_width/steps),2*int(set_width/steps));
146 kerning_spin.set_value(0);
147 }
149 SvgFont* SvgFontsDialog::get_selected_svgfont()
150 {
151 Gtk::TreeModel::iterator i = _font_list.get_selection()->get_selected();
152 if(i)
153 return (*i)[_columns.svgfont];
154 return NULL;
155 }
157 SPFont* SvgFontsDialog::get_selected_spfont()
158 {
159 Gtk::TreeModel::iterator i = _font_list.get_selection()->get_selected();
160 if(i)
161 return (*i)[_columns.spfont];
162 return NULL;
163 }
165 SvgFontsDialog::SvgFontsDialog()
166 : UI::Widget::Panel("", "dialogs.svgfonts", SP_VERB_DIALOG_SVG_FONTS)
167 {
168 Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox());
169 hbox->add(_font_list);
170 hbox->add(_font_settings);
171 _getContents()->add(*hbox);
173 //List of SVGFonts declared in a document:
174 _model = Gtk::ListStore::create(_columns);
175 _font_list.set_model(_model);
176 _font_list.append_column_editable("_Font", _columns.label);
177 _font_list.get_selection()->signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_font_selection_changed));
179 this->update_fonts();
181 //kerning setup:
182 Gtk::VBox* kernvbox = Gtk::manage(new Gtk::VBox());
183 _font_settings.add(*kernvbox);
184 kernvbox->add(*Gtk::manage(new Gtk::Label("Kerning Setup:")));
185 Gtk::HBox* kerning_selector = Gtk::manage(new Gtk::HBox());
186 kerning_selector->add(*Gtk::manage(new Gtk::Label("1st Glyph:")));
187 kerning_selector->add(first_glyph);
188 kerning_selector->add(*Gtk::manage(new Gtk::Label("2nd Glyph:")));
189 kerning_selector->add(second_glyph);
190 first_glyph.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_glyphs_changed));
191 second_glyph.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_glyphs_changed));
192 kerning_spin.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_kerning_changed));
194 kernvbox->add(*kerning_selector);
195 kernvbox->add((Gtk::Widget&) kerning_preview);
197 Gtk::HBox* kerning_amount_hbox = Gtk::manage(new Gtk::HBox());
198 kernvbox->add(*kerning_amount_hbox);
199 kerning_amount_hbox->add(*Gtk::manage(new Gtk::Label("Kerning value:")));
200 kerning_amount_hbox->add(kerning_spin);
202 kerning_preview.set_size(300 + 20, 150 + 20);
203 _font_da.set_size(150 + 20, 50 + 20);
205 //Text Preview:
206 _preview_entry.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_preview_text_changed));
207 _getContents()->add((Gtk::Widget&) _font_da);
208 _preview_entry.set_text("Sample Text");
209 _font_da.set_text("Sample Text");
211 Gtk::HBox* preview_entry_hbox = Gtk::manage(new Gtk::HBox());
212 _getContents()->add(*preview_entry_hbox);
213 preview_entry_hbox->add(*Gtk::manage(new Gtk::Label("Preview Text:")));
214 preview_entry_hbox->add(_preview_entry);
216 _getContents()->show_all();
217 }
219 SvgFontsDialog::~SvgFontsDialog(){}
221 } // namespace Dialog
222 } // namespace UI
223 } // namespace Inkscape
225 #endif //#ifdef ENABLE_SVG_FONTS