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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:29:01 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:29:01 +0000
commit35a96bde514a8897f6f0fcc41c5833bf63df2e2a (patch)
tree657d15a03cc46bd099fc2c6546a7a4ad43815d9f /src/ui/dialog/svg-fonts-dialog.cpp
parentInitial commit. (diff)
downloadinkscape-35a96bde514a8897f6f0fcc41c5833bf63df2e2a.tar.xz
inkscape-35a96bde514a8897f6f0fcc41c5833bf63df2e2a.zip
Adding upstream version 1.0.2.upstream/1.0.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/ui/dialog/svg-fonts-dialog.cpp')
-rw-r--r--src/ui/dialog/svg-fonts-dialog.cpp1067
1 files changed, 1067 insertions, 0 deletions
diff --git a/src/ui/dialog/svg-fonts-dialog.cpp b/src/ui/dialog/svg-fonts-dialog.cpp
new file mode 100644
index 0000000..9f191d1
--- /dev/null
+++ b/src/ui/dialog/svg-fonts-dialog.cpp
@@ -0,0 +1,1067 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/**
+ * @file
+ * SVG Fonts dialog - implementation.
+ */
+/* Authors:
+ * Felipe C. da S. Sanches <juca@members.fsf.org>
+ * Jon A. Cruz <jon@joncruz.org>
+ * Abhishek Sharma
+ *
+ * Copyright (C) 2008 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <message-stack.h>
+#include <sstream>
+
+#include <gtkmm/scale.h>
+#include <gtkmm/notebook.h>
+#include <gtkmm/imagemenuitem.h>
+#include <glibmm/stringutils.h>
+#include <glibmm/i18n.h>
+
+#include "desktop.h"
+#include "document-undo.h"
+#include "selection.h"
+#include "svg-fonts-dialog.h"
+#include "verbs.h"
+
+#include "display/nr-svgfonts.h"
+#include "include/gtkmm_version.h"
+#include "object/sp-defs.h"
+#include "object/sp-font-face.h"
+#include "object/sp-font.h"
+#include "object/sp-glyph-kerning.h"
+#include "object/sp-glyph.h"
+#include "object/sp-missing-glyph.h"
+#include "svg/svg.h"
+#include "xml/repr.h"
+
+SvgFontDrawingArea::SvgFontDrawingArea():
+ _x(0),
+ _y(0),
+ _svgfont(nullptr),
+ _text()
+{
+}
+
+void SvgFontDrawingArea::set_svgfont(SvgFont* svgfont){
+ _svgfont = svgfont;
+}
+
+void SvgFontDrawingArea::set_text(Glib::ustring text){
+ _text = text;
+ redraw();
+}
+
+void SvgFontDrawingArea::set_size(int x, int y){
+ _x = x;
+ _y = y;
+ ((Gtk::Widget*) this)->set_size_request(_x, _y);
+}
+
+void SvgFontDrawingArea::redraw(){
+ ((Gtk::Widget*) this)->queue_draw();
+}
+
+bool SvgFontDrawingArea::on_draw(const Cairo::RefPtr<Cairo::Context> &cr) {
+ if (_svgfont){
+ cr->set_font_face( Cairo::RefPtr<Cairo::FontFace>(new Cairo::FontFace(_svgfont->get_font_face(), false /* does not have reference */)) );
+ cr->set_font_size (_y-20);
+ cr->move_to (10, 10);
+ cr->show_text (_text.c_str());
+
+ // Draw some lines to show line area.
+ cr->set_source_rgb( 0.5, 0.5, 0.5 );
+ cr->move_to ( 0, 10);
+ cr->line_to (_x, 10);
+ cr->stroke();
+ cr->move_to ( 0, _y-10);
+ cr->line_to (_x, _y-10);
+ cr->stroke();
+ }
+ return true;
+}
+
+namespace Inkscape {
+namespace UI {
+namespace Dialog {
+
+/*
+Gtk::HBox* SvgFontsDialog::AttrEntry(gchar* lbl, const SPAttributeEnum attr){
+ Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox());
+ hbox->add(* Gtk::manage(new Gtk::Label(lbl)) );
+ Gtk::Entry* entry = Gtk::manage(new Gtk::Entry());
+ hbox->add(* entry );
+ hbox->show_all();
+
+ entry->signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_attr_changed));
+ return hbox;
+}
+*/
+
+SvgFontsDialog::AttrEntry::AttrEntry(SvgFontsDialog* d, gchar* lbl, Glib::ustring tooltip, const SPAttributeEnum attr){
+ this->dialog = d;
+ this->attr = attr;
+ entry.set_tooltip_text(tooltip);
+ auto label = new Gtk::Label(lbl);
+ this->pack_start(*Gtk::manage(label), false, false, 4);
+ this->pack_end(entry, true, true);
+ this->show_all();
+
+ entry.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::AttrEntry::on_attr_changed));
+}
+
+void SvgFontsDialog::AttrEntry::set_text(char* t){
+ if (!t) return;
+ entry.set_text(t);
+}
+
+// 'font-family' has a problem as it is also a presentation attribute for <text>
+void SvgFontsDialog::AttrEntry::on_attr_changed(){
+
+ SPObject* o = nullptr;
+ for (auto& node: dialog->get_selected_spfont()->children) {
+ switch(this->attr){
+ case SP_PROP_FONT_FAMILY:
+ if (SP_IS_FONTFACE(&node)){
+ o = &node;
+ continue;
+ }
+ break;
+ default:
+ o = nullptr;
+ }
+ }
+
+ const gchar* name = (const gchar*)sp_attribute_name(this->attr);
+ if(name && o) {
+ o->setAttribute((const gchar*) name, this->entry.get_text());
+ o->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
+
+ Glib::ustring undokey = "svgfonts:";
+ undokey += name;
+ DocumentUndo::maybeDone(o->document, undokey.c_str(), SP_VERB_DIALOG_SVG_FONTS,
+ _("Set SVG Font attribute"));
+ }
+
+}
+
+SvgFontsDialog::AttrSpin::AttrSpin(SvgFontsDialog* d, gchar* lbl, Glib::ustring tooltip, const SPAttributeEnum attr) {
+
+ this->dialog = d;
+ this->attr = attr;
+ spin.set_tooltip_text(tooltip);
+ auto label = new Gtk::Label(lbl);
+ this->set_border_width(2);
+ this->set_spacing(6);
+ this->pack_start(*Gtk::manage(label), false, false);
+ this->pack_end(spin, true, true);
+ this->show_all();
+ spin.set_range(0, 4096);
+ spin.set_increments(16, 0);
+ spin.signal_value_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::AttrSpin::on_attr_changed));
+}
+
+void SvgFontsDialog::AttrSpin::set_range(double low, double high){
+ spin.set_range(low, high);
+}
+
+void SvgFontsDialog::AttrSpin::set_value(double v){
+ spin.set_value(v);
+}
+
+void SvgFontsDialog::AttrSpin::on_attr_changed(){
+
+ SPObject* o = nullptr;
+ switch (this->attr) {
+
+ // <font> attributes
+ case SP_ATTR_HORIZ_ORIGIN_X:
+ case SP_ATTR_HORIZ_ORIGIN_Y:
+ case SP_ATTR_HORIZ_ADV_X:
+ case SP_ATTR_VERT_ORIGIN_X:
+ case SP_ATTR_VERT_ORIGIN_Y:
+ case SP_ATTR_VERT_ADV_Y:
+ o = this->dialog->get_selected_spfont();
+ break;
+
+ // <font-face> attributes
+ case SP_ATTR_UNITS_PER_EM:
+ case SP_ATTR_ASCENT:
+ case SP_ATTR_DESCENT:
+ case SP_ATTR_CAP_HEIGHT:
+ case SP_ATTR_X_HEIGHT:
+ for (auto& node: dialog->get_selected_spfont()->children){
+ if (SP_IS_FONTFACE(&node)){
+ o = &node;
+ continue;
+ }
+ }
+ break;
+
+ default:
+ o = nullptr;
+ }
+
+ const gchar* name = (const gchar*)sp_attribute_name(this->attr);
+ if(name && o) {
+ std::ostringstream temp;
+ temp << this->spin.get_value();
+ o->setAttribute(name, temp.str());
+ o->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
+
+ Glib::ustring undokey = "svgfonts:";
+ undokey += name;
+ DocumentUndo::maybeDone(o->document, undokey.c_str(), SP_VERB_DIALOG_SVG_FONTS,
+ _("Set SVG Font attribute"));
+ }
+
+}
+
+Gtk::HBox* SvgFontsDialog::AttrCombo(gchar* lbl, const SPAttributeEnum /*attr*/){
+ Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox());
+ hbox->add(* Gtk::manage(new Gtk::Label(lbl)) );
+ hbox->add(* Gtk::manage(new Gtk::ComboBox()) );
+ hbox->show_all();
+ return hbox;
+}
+
+/*
+Gtk::HBox* SvgFontsDialog::AttrSpin(gchar* lbl){
+ Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox());
+ hbox->add(* Gtk::manage(new Gtk::Label(lbl)) );
+ hbox->add(* Gtk::manage(new Inkscape::UI::Widget::SpinBox()) );
+ hbox->show_all();
+ return hbox;
+}*/
+
+/*** SvgFontsDialog ***/
+
+GlyphComboBox::GlyphComboBox()= default;
+
+void GlyphComboBox::update(SPFont* spfont){
+ if (!spfont) return;
+
+ this->remove_all();
+
+ for (auto& node: spfont->children) {
+ if (SP_IS_GLYPH(&node)){
+ this->append((static_cast<SPGlyph*>(&node))->unicode);
+ }
+ }
+}
+
+void SvgFontsDialog::on_kerning_value_changed(){
+ if (!get_selected_kerning_pair()) {
+ return;
+ }
+
+ SPDocument* document = this->getDesktop()->getDocument();
+
+ //TODO: I am unsure whether this is the correct way of calling SPDocumentUndo::maybe_done
+ Glib::ustring undokey = "svgfonts:hkern:k:";
+ undokey += this->kerning_pair->u1->attribute_string();
+ undokey += ":";
+ undokey += this->kerning_pair->u2->attribute_string();
+
+ //slider values increase from right to left so that they match the kerning pair preview
+
+ //XML Tree being directly used here while it shouldn't be.
+ this->kerning_pair->setAttribute("k", Glib::Ascii::dtostr(get_selected_spfont()->horiz_adv_x - kerning_slider->get_value()));
+ DocumentUndo::maybeDone(document, undokey.c_str(), SP_VERB_DIALOG_SVG_FONTS, _("Adjust kerning value"));
+
+ //populate_kerning_pairs_box();
+ kerning_preview.redraw();
+ _font_da.redraw();
+}
+
+void SvgFontsDialog::glyphs_list_button_release(GdkEventButton* event)
+{
+ if((event->type == GDK_BUTTON_RELEASE) && (event->button == 3)) {
+ _GlyphsContextMenu.popup_at_pointer(reinterpret_cast<GdkEvent *>(event));
+ }
+}
+
+void SvgFontsDialog::kerning_pairs_list_button_release(GdkEventButton* event)
+{
+ if((event->type == GDK_BUTTON_RELEASE) && (event->button == 3)) {
+ _KerningPairsContextMenu.popup_at_pointer(reinterpret_cast<GdkEvent *>(event));
+ }
+}
+
+void SvgFontsDialog::fonts_list_button_release(GdkEventButton* event)
+{
+ if((event->type == GDK_BUTTON_RELEASE) && (event->button == 3)) {
+ _FontsContextMenu.popup_at_pointer(reinterpret_cast<GdkEvent *>(event));
+ }
+}
+
+void SvgFontsDialog::create_glyphs_popup_menu(Gtk::Widget& parent, sigc::slot<void> rem)
+{
+ auto mi = Gtk::manage(new Gtk::MenuItem(_("_Remove"), true));
+ _GlyphsContextMenu.append(*mi);
+ mi->signal_activate().connect(rem);
+ mi->show();
+ _GlyphsContextMenu.accelerate(parent);
+}
+
+void SvgFontsDialog::create_kerning_pairs_popup_menu(Gtk::Widget& parent, sigc::slot<void> rem)
+{
+ auto mi = Gtk::manage(new Gtk::MenuItem(_("_Remove"), true));
+ _KerningPairsContextMenu.append(*mi);
+ mi->signal_activate().connect(rem);
+ mi->show();
+ _KerningPairsContextMenu.accelerate(parent);
+}
+
+void SvgFontsDialog::create_fonts_popup_menu(Gtk::Widget& parent, sigc::slot<void> rem)
+{
+ auto mi = Gtk::manage(new Gtk::MenuItem(_("_Remove"), true));
+ _FontsContextMenu.append(*mi);
+ mi->signal_activate().connect(rem);
+ mi->show();
+ _FontsContextMenu.accelerate(parent);
+}
+
+void SvgFontsDialog::update_sensitiveness(){
+ if (get_selected_spfont()){
+ global_vbox.set_sensitive(true);
+ glyphs_vbox.set_sensitive(true);
+ kerning_vbox.set_sensitive(true);
+ } else {
+ global_vbox.set_sensitive(false);
+ glyphs_vbox.set_sensitive(false);
+ kerning_vbox.set_sensitive(false);
+ }
+}
+
+/* Add all fonts in the document to the combobox. */
+void SvgFontsDialog::update_fonts()
+{
+ SPDesktop* desktop = this->getDesktop();
+ SPDocument* document = desktop->getDocument();
+ std::vector<SPObject *> fonts = document->getResourceList( "font" );
+
+ _model->clear();
+ for (auto font : fonts) {
+ Gtk::TreeModel::Row row = *_model->append();
+ SPFont* f = SP_FONT(font);
+ row[_columns.spfont] = f;
+ row[_columns.svgfont] = new SvgFont(f);
+ const gchar* lbl = f->label();
+ const gchar* id = f->getId();
+ row[_columns.label] = lbl ? lbl : (id ? id : "font");
+ }
+
+ update_sensitiveness();
+}
+
+void SvgFontsDialog::on_preview_text_changed(){
+ _font_da.set_text(_preview_entry.get_text());
+}
+
+void SvgFontsDialog::on_kerning_pair_selection_changed(){
+ SPGlyphKerning* kern = get_selected_kerning_pair();
+ if (!kern) {
+ kerning_preview.set_text("");
+ return;
+ }
+ Glib::ustring str;
+ str += kern->u1->sample_glyph();
+ str += kern->u2->sample_glyph();
+
+ kerning_preview.set_text(str);
+ this->kerning_pair = kern;
+
+ //slider values increase from right to left so that they match the kerning pair preview
+ kerning_slider->set_value(get_selected_spfont()->horiz_adv_x - kern->k);
+}
+
+void SvgFontsDialog::update_global_settings_tab(){
+ SPFont* font = get_selected_spfont();
+ if (!font) return;
+
+ _horiz_adv_x_spin->set_value(font->horiz_adv_x);
+ _horiz_origin_x_spin->set_value(font->horiz_origin_x);
+ _horiz_origin_y_spin->set_value(font->horiz_origin_y);
+
+ for (auto& obj: font->children) {
+ if (SP_IS_FONTFACE(&obj)){
+ _familyname_entry->set_text((SP_FONTFACE(&obj))->font_family);
+ _units_per_em_spin->set_value((SP_FONTFACE(&obj))->units_per_em);
+ _ascent_spin->set_value((SP_FONTFACE(&obj))->ascent);
+ _descent_spin->set_value((SP_FONTFACE(&obj))->descent);
+ _x_height_spin->set_value((SP_FONTFACE(&obj))->x_height);
+ _cap_height_spin->set_value((SP_FONTFACE(&obj))->cap_height);
+ }
+ }
+}
+
+void SvgFontsDialog::on_font_selection_changed(){
+ SPFont* spfont = this->get_selected_spfont();
+ if (!spfont) return;
+
+ SvgFont* svgfont = this->get_selected_svgfont();
+ first_glyph.update(spfont);
+ second_glyph.update(spfont);
+ kerning_preview.set_svgfont(svgfont);
+ _font_da.set_svgfont(svgfont);
+ _font_da.redraw();
+
+ kerning_slider->set_range(0, spfont->horiz_adv_x);
+ kerning_slider->set_draw_value(false);
+ kerning_slider->set_value(0);
+
+ update_global_settings_tab();
+ populate_glyphs_box();
+ populate_kerning_pairs_box();
+ update_sensitiveness();
+}
+
+SPGlyphKerning* SvgFontsDialog::get_selected_kerning_pair()
+{
+ Gtk::TreeModel::iterator i = _KerningPairsList.get_selection()->get_selected();
+ if(i)
+ return (*i)[_KerningPairsListColumns.spnode];
+ return nullptr;
+}
+
+SvgFont* SvgFontsDialog::get_selected_svgfont()
+{
+ Gtk::TreeModel::iterator i = _FontsList.get_selection()->get_selected();
+ if(i)
+ return (*i)[_columns.svgfont];
+ return nullptr;
+}
+
+SPFont* SvgFontsDialog::get_selected_spfont()
+{
+ Gtk::TreeModel::iterator i = _FontsList.get_selection()->get_selected();
+ if(i)
+ return (*i)[_columns.spfont];
+ return nullptr;
+}
+
+SPGlyph* SvgFontsDialog::get_selected_glyph()
+{
+ Gtk::TreeModel::iterator i = _GlyphsList.get_selection()->get_selected();
+ if(i)
+ return (*i)[_GlyphsListColumns.glyph_node];
+ return nullptr;
+}
+
+Gtk::VBox* SvgFontsDialog::global_settings_tab(){
+ _font_label = new Gtk::Label(Glib::ustring("<b>") + _("Font Attributes") + "</b>", Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
+ _horiz_adv_x_spin = new AttrSpin( this, (gchar*) _("Horiz. Advance X"), _("Average amount of horizontal space each letter takes up."), SP_ATTR_HORIZ_ADV_X);
+ _horiz_origin_x_spin = new AttrSpin( this, (gchar*) _("Horiz. Origin X"), _("Average horizontal origin location for each letter."), SP_ATTR_HORIZ_ORIGIN_X);
+ _horiz_origin_y_spin = new AttrSpin( this, (gchar*) _("Horiz. Origin Y"), _("Average vertical origin location for each letter."), SP_ATTR_HORIZ_ORIGIN_Y);
+ _font_face_label = new Gtk::Label(Glib::ustring("<b>") + _("Font Face Attributes") + "</b>", Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
+ _familyname_entry = new AttrEntry(this, (gchar*) _("Family Name:"), _("Name of the font as it appears in font selectors and css font-family properties."), SP_PROP_FONT_FAMILY);
+ _units_per_em_spin = new AttrSpin( this, (gchar*) _("Units per em"), _("Number of display units each letter takes up."), SP_ATTR_UNITS_PER_EM);
+ _ascent_spin = new AttrSpin( this, (gchar*) _("Ascent:"), _("Amount of space taken up by accenders like the tall line on the letter 'h'."), SP_ATTR_ASCENT);
+ _descent_spin = new AttrSpin( this, (gchar*) _("Descent:"), _("Amount of space taken up by decenders like the tail on the letter 'g'."), SP_ATTR_DESCENT);
+ _cap_height_spin = new AttrSpin( this, (gchar*) _("Cap Height:"), _("The height of a capital letter above the baseline like the letter 'H' or 'I'."), SP_ATTR_CAP_HEIGHT);
+ _x_height_spin = new AttrSpin( this, (gchar*) _("x Height:"), _("The height of a lower-case letter above the baseline like the letter 'x'."), SP_ATTR_X_HEIGHT);
+
+ //_descent_spin->set_range(-4096,0);
+ _font_label->set_use_markup();
+ _font_face_label->set_use_markup();
+
+ global_vbox.set_border_width(2);
+ global_vbox.pack_start(*_font_label);
+ global_vbox.pack_start(*_horiz_adv_x_spin);
+ global_vbox.pack_start(*_horiz_origin_x_spin);
+ global_vbox.pack_start(*_horiz_origin_y_spin);
+ global_vbox.pack_start(*_font_face_label);
+ global_vbox.pack_start(*_familyname_entry);
+ global_vbox.pack_start(*_units_per_em_spin);
+ global_vbox.pack_start(*_ascent_spin);
+ global_vbox.pack_start(*_descent_spin);
+ global_vbox.pack_start(*_cap_height_spin);
+ global_vbox.pack_start(*_x_height_spin);
+
+/* global_vbox->add(*AttrCombo((gchar*) _("Style:"), SP_PROP_FONT_STYLE));
+ global_vbox->add(*AttrCombo((gchar*) _("Variant:"), SP_PROP_FONT_VARIANT));
+ global_vbox->add(*AttrCombo((gchar*) _("Weight:"), SP_PROP_FONT_WEIGHT));
+*/
+
+ return &global_vbox;
+}
+
+void
+SvgFontsDialog::populate_glyphs_box()
+{
+ if (!_GlyphsListStore) return;
+ _GlyphsListStore->clear();
+
+ SPFont* spfont = this->get_selected_spfont();
+ _glyphs_observer.set(spfont);
+
+ for (auto& node: spfont->children) {
+ if (SP_IS_GLYPH(&node)){
+ Gtk::TreeModel::Row row = *(_GlyphsListStore->append());
+ row[_GlyphsListColumns.glyph_node] = static_cast<SPGlyph*>(&node);
+ row[_GlyphsListColumns.glyph_name] = (static_cast<SPGlyph*>(&node))->glyph_name;
+ row[_GlyphsListColumns.unicode] = (static_cast<SPGlyph*>(&node))->unicode;
+ row[_GlyphsListColumns.advance] = (static_cast<SPGlyph*>(&node))->horiz_adv_x;
+ }
+ }
+}
+
+void
+SvgFontsDialog::populate_kerning_pairs_box()
+{
+ if (!_KerningPairsListStore) return;
+ _KerningPairsListStore->clear();
+
+ SPFont* spfont = this->get_selected_spfont();
+
+ for (auto& node: spfont->children) {
+ if (SP_IS_HKERN(&node)){
+ Gtk::TreeModel::Row row = *(_KerningPairsListStore->append());
+ row[_KerningPairsListColumns.first_glyph] = (static_cast<SPGlyphKerning*>(&node))->u1->attribute_string().c_str();
+ row[_KerningPairsListColumns.second_glyph] = (static_cast<SPGlyphKerning*>(&node))->u2->attribute_string().c_str();
+ row[_KerningPairsListColumns.kerning_value] = (static_cast<SPGlyphKerning*>(&node))->k;
+ row[_KerningPairsListColumns.spnode] = static_cast<SPGlyphKerning*>(&node);
+ }
+ }
+}
+
+SPGlyph *new_glyph(SPDocument* document, SPFont *font, const int count)
+{
+ g_return_val_if_fail(font != nullptr, NULL);
+ Inkscape::XML::Document *xml_doc = document->getReprDoc();
+
+ // create a new glyph
+ Inkscape::XML::Node *repr;
+ repr = xml_doc->createElement("svg:glyph");
+
+ std::ostringstream os;
+ os << _("glyph") << " " << count;
+ repr->setAttribute("glyph-name", os.str());
+
+ // Append the new glyph node to the current font
+ font->getRepr()->appendChild(repr);
+ Inkscape::GC::release(repr);
+
+ // get corresponding object
+ SPGlyph *g = SP_GLYPH( document->getObjectByRepr(repr) );
+
+ g_assert(g != nullptr);
+ g_assert(SP_IS_GLYPH(g));
+
+ return g;
+}
+
+void SvgFontsDialog::update_glyphs(){
+ SPFont* font = get_selected_spfont();
+ if (!font) return;
+ populate_glyphs_box();
+ populate_kerning_pairs_box();
+ first_glyph.update(font);
+ second_glyph.update(font);
+ get_selected_svgfont()->refresh();
+ _font_da.redraw();
+}
+
+void SvgFontsDialog::add_glyph(){
+ const int count = _GlyphsListStore->children().size();
+ SPDocument* doc = this->getDesktop()->getDocument();
+ /* SPGlyph* glyph =*/ new_glyph(doc, get_selected_spfont(), count+1);
+
+ DocumentUndo::done(doc, SP_VERB_DIALOG_SVG_FONTS, _("Add glyph"));
+
+ update_glyphs();
+}
+
+Geom::PathVector
+SvgFontsDialog::flip_coordinate_system(Geom::PathVector pathv){
+ double units_per_em = 1024;
+ for (auto& obj: get_selected_spfont()->children) {
+ if (SP_IS_FONTFACE(&obj)){
+ //XML Tree being directly used here while it shouldn't be.
+ sp_repr_get_double(obj.getRepr(), "units-per-em", &units_per_em);
+ }
+ }
+ double baseline_offset = units_per_em - get_selected_spfont()->horiz_origin_y;
+ //This matrix flips y-axis and places the origin at baseline
+ Geom::Affine m(Geom::Coord(1),Geom::Coord(0),Geom::Coord(0),Geom::Coord(-1),Geom::Coord(0),Geom::Coord(baseline_offset));
+ return pathv*m;
+}
+
+void SvgFontsDialog::set_glyph_description_from_selected_path(){
+ SPDesktop* desktop = this->getDesktop();
+ if (!desktop) {
+ g_warning("SvgFontsDialog: No active desktop");
+ return;
+ }
+
+ Inkscape::MessageStack *msgStack = desktop->getMessageStack();
+ SPDocument* doc = desktop->getDocument();
+ Inkscape::Selection* sel = desktop->getSelection();
+ if (sel->isEmpty()){
+ char *msg = _("Select a <b>path</b> to define the curves of a glyph");
+ msgStack->flash(Inkscape::ERROR_MESSAGE, msg);
+ return;
+ }
+
+ Inkscape::XML::Node* node = sel->xmlNodes().front();
+ if (!node) return;//TODO: should this be an assert?
+ if (!node->matchAttributeName("d") || !node->attribute("d")){
+ char *msg = _("The selected object does not have a <b>path</b> description.");
+ msgStack->flash(Inkscape::ERROR_MESSAGE, msg);
+ return;
+ } //TODO: //Is there a better way to tell it to to the user?
+
+ SPGlyph* glyph = get_selected_glyph();
+ if (!glyph){
+ char *msg = _("No glyph selected in the SVGFonts dialog.");
+ msgStack->flash(Inkscape::ERROR_MESSAGE, msg);
+ return;
+ }
+
+ Geom::PathVector pathv = sp_svg_read_pathv(node->attribute("d"));
+
+ //XML Tree being directly used here while it shouldn't be.
+ gchar *str = sp_svg_write_path (flip_coordinate_system(pathv));
+ glyph->setAttribute("d", str);
+ g_free(str);
+ DocumentUndo::done(doc, SP_VERB_DIALOG_SVG_FONTS, _("Set glyph curves"));
+
+ update_glyphs();
+}
+
+void SvgFontsDialog::missing_glyph_description_from_selected_path(){
+ SPDesktop* desktop = this->getDesktop();
+ if (!desktop) {
+ g_warning("SvgFontsDialog: No active desktop");
+ return;
+ }
+
+ Inkscape::MessageStack *msgStack = desktop->getMessageStack();
+ SPDocument* doc = desktop->getDocument();
+ Inkscape::Selection* sel = desktop->getSelection();
+ if (sel->isEmpty()){
+ char *msg = _("Select a <b>path</b> to define the curves of a glyph");
+ msgStack->flash(Inkscape::ERROR_MESSAGE, msg);
+ return;
+ }
+
+ Inkscape::XML::Node* node = sel->xmlNodes().front();
+ if (!node) return;//TODO: should this be an assert?
+ if (!node->matchAttributeName("d") || !node->attribute("d")){
+ char *msg = _("The selected object does not have a <b>path</b> description.");
+ msgStack->flash(Inkscape::ERROR_MESSAGE, msg);
+ return;
+ } //TODO: //Is there a better way to tell it to to the user?
+
+ Geom::PathVector pathv = sp_svg_read_pathv(node->attribute("d"));
+
+ for (auto& obj: get_selected_spfont()->children) {
+ if (SP_IS_MISSING_GLYPH(&obj)){
+
+ //XML Tree being directly used here while it shouldn't be.
+ gchar *str = sp_svg_write_path (flip_coordinate_system(pathv));
+ obj.setAttribute("d", str);
+ g_free(str);
+ DocumentUndo::done(doc, SP_VERB_DIALOG_SVG_FONTS, _("Set glyph curves"));
+ }
+ }
+
+ update_glyphs();
+}
+
+void SvgFontsDialog::reset_missing_glyph_description(){
+ SPDesktop* desktop = this->getDesktop();
+ if (!desktop) {
+ g_warning("SvgFontsDialog: No active desktop");
+ return;
+ }
+
+ SPDocument* doc = desktop->getDocument();
+ for (auto& obj: get_selected_spfont()->children) {
+ if (SP_IS_MISSING_GLYPH(&obj)){
+ //XML Tree being directly used here while it shouldn't be.
+ obj.setAttribute("d", "M0,0h1000v1024h-1000z");
+ DocumentUndo::done(doc, SP_VERB_DIALOG_SVG_FONTS, _("Reset missing-glyph"));
+ }
+ }
+
+ update_glyphs();
+}
+
+void SvgFontsDialog::glyph_name_edit(const Glib::ustring&, const Glib::ustring& str){
+ Gtk::TreeModel::iterator i = _GlyphsList.get_selection()->get_selected();
+ if (!i) return;
+
+ SPGlyph* glyph = (*i)[_GlyphsListColumns.glyph_node];
+ //XML Tree being directly used here while it shouldn't be.
+ glyph->setAttribute("glyph-name", str);
+
+ SPDocument* doc = this->getDesktop()->getDocument();
+ DocumentUndo::done(doc, SP_VERB_DIALOG_SVG_FONTS, _("Edit glyph name"));
+
+ update_glyphs();
+}
+
+void SvgFontsDialog::glyph_unicode_edit(const Glib::ustring&, const Glib::ustring& str){
+ Gtk::TreeModel::iterator i = _GlyphsList.get_selection()->get_selected();
+ if (!i) return;
+
+ SPGlyph* glyph = (*i)[_GlyphsListColumns.glyph_node];
+ //XML Tree being directly used here while it shouldn't be.
+ glyph->setAttribute("unicode", str);
+
+ SPDocument* doc = this->getDesktop()->getDocument();
+ DocumentUndo::done(doc, SP_VERB_DIALOG_SVG_FONTS, _("Set glyph unicode"));
+
+ update_glyphs();
+}
+
+void SvgFontsDialog::glyph_advance_edit(const Glib::ustring&, const Glib::ustring& str){
+ Gtk::TreeModel::iterator i = _GlyphsList.get_selection()->get_selected();
+ if (!i) return;
+
+ SPGlyph* glyph = (*i)[_GlyphsListColumns.glyph_node];
+ //XML Tree being directly used here while it shouldn't be.
+ std::istringstream is(str);
+ double value;
+ // Check if input valid
+ if ((is >> value)) {
+ glyph->setAttribute("horiz-adv-x", str);
+ SPDocument* doc = this->getDesktop()->getDocument();
+ DocumentUndo::done(doc, SP_VERB_DIALOG_SVG_FONTS, _("Set glyph advance"));
+
+ update_glyphs();
+ } else {
+ std::cerr << "SvgFontDialog::glyph_advance_edit: Error in input: " << str << std::endl;
+ }
+}
+
+void SvgFontsDialog::remove_selected_font(){
+ SPFont* font = get_selected_spfont();
+ if (!font) return;
+
+ //XML Tree being directly used here while it shouldn't be.
+ sp_repr_unparent(font->getRepr());
+ SPDocument* doc = this->getDesktop()->getDocument();
+ DocumentUndo::done(doc, SP_VERB_DIALOG_SVG_FONTS, _("Remove font"));
+
+ update_fonts();
+}
+
+void SvgFontsDialog::remove_selected_glyph(){
+ if(!_GlyphsList.get_selection()) return;
+
+ Gtk::TreeModel::iterator i = _GlyphsList.get_selection()->get_selected();
+ if(!i) return;
+
+ SPGlyph* glyph = (*i)[_GlyphsListColumns.glyph_node];
+
+ //XML Tree being directly used here while it shouldn't be.
+ sp_repr_unparent(glyph->getRepr());
+
+ SPDocument* doc = this->getDesktop()->getDocument();
+ DocumentUndo::done(doc, SP_VERB_DIALOG_SVG_FONTS, _("Remove glyph"));
+
+ update_glyphs();
+}
+
+void SvgFontsDialog::remove_selected_kerning_pair(){
+ if(!_KerningPairsList.get_selection()) return;
+
+ Gtk::TreeModel::iterator i = _KerningPairsList.get_selection()->get_selected();
+ if(!i) return;
+
+ SPGlyphKerning* pair = (*i)[_KerningPairsListColumns.spnode];
+
+ //XML Tree being directly used here while it shouldn't be.
+ sp_repr_unparent(pair->getRepr());
+
+ SPDocument* doc = this->getDesktop()->getDocument();
+ DocumentUndo::done(doc, SP_VERB_DIALOG_SVG_FONTS, _("Remove kerning pair"));
+
+ update_glyphs();
+}
+
+Gtk::VBox* SvgFontsDialog::glyphs_tab(){
+ _GlyphsList.signal_button_release_event().connect_notify(sigc::mem_fun(*this, &SvgFontsDialog::glyphs_list_button_release));
+ create_glyphs_popup_menu(_GlyphsList, sigc::mem_fun(*this, &SvgFontsDialog::remove_selected_glyph));
+
+ Gtk::HBox* missing_glyph_hbox = Gtk::manage(new Gtk::HBox(false, 4));
+ Gtk::Label* missing_glyph_label = Gtk::manage(new Gtk::Label(_("Missing Glyph:")));
+ missing_glyph_hbox->set_hexpand(false);
+ missing_glyph_hbox->pack_start(*missing_glyph_label, false,false);
+ missing_glyph_hbox->pack_start(missing_glyph_button, false,false);
+ missing_glyph_hbox->pack_start(missing_glyph_reset_button, false,false);
+
+ missing_glyph_button.set_label(_("From selection..."));
+ missing_glyph_button.signal_clicked().connect(sigc::mem_fun(*this, &SvgFontsDialog::missing_glyph_description_from_selected_path));
+ missing_glyph_reset_button.set_label(_("Reset"));
+ missing_glyph_reset_button.signal_clicked().connect(sigc::mem_fun(*this, &SvgFontsDialog::reset_missing_glyph_description));
+
+ glyphs_vbox.set_border_width(4);
+ glyphs_vbox.set_spacing(4);
+ glyphs_vbox.pack_start(*missing_glyph_hbox, false,false);
+
+ glyphs_vbox.add(_GlyphsListScroller);
+ _GlyphsListScroller.set_policy(Gtk::POLICY_NEVER, Gtk::POLICY_ALWAYS);
+ _GlyphsListScroller.set_size_request(-1, 290);
+ _GlyphsListScroller.add(_GlyphsList);
+ _GlyphsListStore = Gtk::ListStore::create(_GlyphsListColumns);
+ _GlyphsList.set_model(_GlyphsListStore);
+ _GlyphsList.append_column_editable(_("Glyph name"), _GlyphsListColumns.glyph_name);
+ _GlyphsList.append_column_editable(_("Matching string"), _GlyphsListColumns.unicode);
+ _GlyphsList.append_column_numeric_editable(_("Advance"), _GlyphsListColumns.advance, "%.2f");
+ Gtk::HBox* hb = Gtk::manage(new Gtk::HBox(false, 4));
+ add_glyph_button.set_label(_("Add Glyph"));
+ add_glyph_button.signal_clicked().connect(sigc::mem_fun(*this, &SvgFontsDialog::add_glyph));
+
+ hb->pack_start(add_glyph_button, false,false);
+ hb->pack_start(glyph_from_path_button, false,false);
+
+ glyphs_vbox.pack_start(*hb, false, false);
+ glyph_from_path_button.set_label(_("Get curves from selection..."));
+ glyph_from_path_button.signal_clicked().connect(sigc::mem_fun(*this, &SvgFontsDialog::set_glyph_description_from_selected_path));
+
+ dynamic_cast<Gtk::CellRendererText*>( _GlyphsList.get_column_cell_renderer(0))->signal_edited().connect(
+ sigc::mem_fun(*this, &SvgFontsDialog::glyph_name_edit));
+
+ dynamic_cast<Gtk::CellRendererText*>( _GlyphsList.get_column_cell_renderer(1))->signal_edited().connect(
+ sigc::mem_fun(*this, &SvgFontsDialog::glyph_unicode_edit));
+
+ dynamic_cast<Gtk::CellRendererText*>( _GlyphsList.get_column_cell_renderer(2))->signal_edited().connect(
+ sigc::mem_fun(*this, &SvgFontsDialog::glyph_advance_edit));
+
+ _glyphs_observer.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::update_glyphs));
+
+ return &glyphs_vbox;
+}
+
+void SvgFontsDialog::add_kerning_pair(){
+ if (first_glyph.get_active_text() == "" ||
+ second_glyph.get_active_text() == "") return;
+
+ //look for this kerning pair on the currently selected font
+ this->kerning_pair = nullptr;
+ for (auto& node: get_selected_spfont()->children) {
+ //TODO: It is not really correct to get only the first byte of each string.
+ //TODO: We should also support vertical kerning
+ if (SP_IS_HKERN(&node) && (static_cast<SPGlyphKerning*>(&node))->u1->contains((gchar) first_glyph.get_active_text().c_str()[0])
+ && (static_cast<SPGlyphKerning*>(&node))->u2->contains((gchar) second_glyph.get_active_text().c_str()[0]) ){
+ this->kerning_pair = static_cast<SPGlyphKerning*>(&node);
+ continue;
+ }
+ }
+
+ if (this->kerning_pair) return; //We already have this kerning pair
+
+ SPDocument* document = this->getDesktop()->getDocument();
+ Inkscape::XML::Document *xml_doc = document->getReprDoc();
+
+ // create a new hkern node
+ Inkscape::XML::Node *repr = xml_doc->createElement("svg:hkern");
+
+ repr->setAttribute("u1", first_glyph.get_active_text());
+ repr->setAttribute("u2", second_glyph.get_active_text());
+ repr->setAttribute("k", "0");
+
+ // Append the new hkern node to the current font
+ get_selected_spfont()->getRepr()->appendChild(repr);
+ Inkscape::GC::release(repr);
+
+ // get corresponding object
+ this->kerning_pair = SP_HKERN( document->getObjectByRepr(repr) );
+
+ DocumentUndo::done(document, SP_VERB_DIALOG_SVG_FONTS, _("Add kerning pair"));
+}
+
+Gtk::VBox* SvgFontsDialog::kerning_tab(){
+ _KerningPairsList.signal_button_release_event().connect_notify(sigc::mem_fun(*this, &SvgFontsDialog::kerning_pairs_list_button_release));
+ create_kerning_pairs_popup_menu(_KerningPairsList, sigc::mem_fun(*this, &SvgFontsDialog::remove_selected_kerning_pair));
+
+//Kerning Setup:
+ kerning_vbox.set_border_width(4);
+ kerning_vbox.set_spacing(4);
+ // kerning_vbox.add(*Gtk::manage(new Gtk::Label(_("Kerning Setup"))));
+ Gtk::HBox* kerning_selector = Gtk::manage(new Gtk::HBox());
+ kerning_selector->pack_start(*Gtk::manage(new Gtk::Label(_("1st Glyph:"))), false, false);
+ kerning_selector->pack_start(first_glyph, true, true, 4);
+ kerning_selector->pack_start(*Gtk::manage(new Gtk::Label(_("2nd Glyph:"))), false, false);
+ kerning_selector->pack_start(second_glyph, true, true, 4);
+ kerning_selector->pack_start(add_kernpair_button, true, true);
+ add_kernpair_button.set_label(_("Add pair"));
+ add_kernpair_button.signal_clicked().connect(sigc::mem_fun(*this, &SvgFontsDialog::add_kerning_pair));
+ _KerningPairsList.get_selection()->signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_kerning_pair_selection_changed));
+ kerning_slider->signal_value_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_kerning_value_changed));
+
+ kerning_vbox.pack_start(*kerning_selector, false,false);
+
+ kerning_vbox.pack_start(_KerningPairsListScroller, true,true);
+ _KerningPairsListScroller.set_policy(Gtk::POLICY_NEVER, Gtk::POLICY_ALWAYS);
+ _KerningPairsListScroller.add(_KerningPairsList);
+ _KerningPairsListStore = Gtk::ListStore::create(_KerningPairsListColumns);
+ _KerningPairsList.set_model(_KerningPairsListStore);
+ _KerningPairsList.append_column(_("First Unicode range"), _KerningPairsListColumns.first_glyph);
+ _KerningPairsList.append_column(_("Second Unicode range"), _KerningPairsListColumns.second_glyph);
+// _KerningPairsList.append_column_numeric_editable(_("Kerning Value"), _KerningPairsListColumns.kerning_value, "%f");
+
+ kerning_vbox.pack_start((Gtk::Widget&) kerning_preview, false,false);
+
+ // kerning_slider has a big handle. Extra padding added
+ Gtk::HBox* kerning_amount_hbox = Gtk::manage(new Gtk::HBox(false, 8));
+ kerning_vbox.pack_start(*kerning_amount_hbox, false,false);
+ kerning_amount_hbox->pack_start(*Gtk::manage(new Gtk::Label(_("Kerning Value:"))), false,false);
+ kerning_amount_hbox->pack_start(*kerning_slider, true,true);
+
+ kerning_preview.set_size(300 + 20, 150 + 20);
+ _font_da.set_size(300 + 50 + 20, 60 + 20);
+
+ return &kerning_vbox;
+}
+
+SPFont *new_font(SPDocument *document)
+{
+ g_return_val_if_fail(document != nullptr, NULL);
+
+ SPDefs *defs = document->getDefs();
+
+ Inkscape::XML::Document *xml_doc = document->getReprDoc();
+
+ // create a new font
+ Inkscape::XML::Node *repr = xml_doc->createElement("svg:font");
+
+ //By default, set the horizontal advance to 1024 units
+ repr->setAttribute("horiz-adv-x", "1024");
+
+ // Append the new font node to defs
+ defs->getRepr()->appendChild(repr);
+
+ //create a missing glyph
+ Inkscape::XML::Node *fontface;
+ fontface = xml_doc->createElement("svg:font-face");
+ fontface->setAttribute("units-per-em", "1024");
+ repr->appendChild(fontface);
+
+ //create a missing glyph
+ Inkscape::XML::Node *mg;
+ mg = xml_doc->createElement("svg:missing-glyph");
+ mg->setAttribute("d", "M0,0h1000v1024h-1000z");
+ repr->appendChild(mg);
+
+ // get corresponding object
+ SPFont *f = SP_FONT( document->getObjectByRepr(repr) );
+
+ g_assert(f != nullptr);
+ g_assert(SP_IS_FONT(f));
+ Inkscape::GC::release(mg);
+ Inkscape::GC::release(repr);
+ return f;
+}
+
+void set_font_family(SPFont* font, char* str){
+ if (!font) return;
+ for (auto& obj: font->children) {
+ if (SP_IS_FONTFACE(&obj)){
+ //XML Tree being directly used here while it shouldn't be.
+ obj.setAttribute("font-family", str);
+ }
+ }
+
+ DocumentUndo::done(font->document, SP_VERB_DIALOG_SVG_FONTS, _("Set font family"));
+}
+
+void SvgFontsDialog::add_font(){
+ SPDocument* doc = this->getDesktop()->getDocument();
+ SPFont* font = new_font(doc);
+
+ const int count = _model->children().size();
+ std::ostringstream os, os2;
+ os << _("font") << " " << count;
+ font->setLabel(os.str().c_str());
+
+ os2 << "SVGFont " << count;
+ for (auto& obj: font->children) {
+ if (SP_IS_FONTFACE(&obj)){
+ //XML Tree being directly used here while it shouldn't be.
+ obj.setAttribute("font-family", os2.str());
+ }
+ }
+
+ update_fonts();
+// select_font(font);
+
+ DocumentUndo::done(doc, SP_VERB_DIALOG_SVG_FONTS, _("Add font"));
+}
+
+SvgFontsDialog::SvgFontsDialog()
+ : UI::Widget::Panel("/dialogs/svgfonts", SP_VERB_DIALOG_SVG_FONTS),
+ _add(_("_New"), true)
+{
+ kerning_slider = Gtk::manage(new Gtk::Scale(Gtk::ORIENTATION_HORIZONTAL));
+ _add.signal_clicked().connect(sigc::mem_fun(*this, &SvgFontsDialog::add_font));
+
+ Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox());
+ Gtk::VBox* vbox = Gtk::manage(new Gtk::VBox());
+
+ vbox->pack_start(_FontsList);
+ vbox->pack_start(_add, false, false);
+ hbox->add(*vbox);
+ hbox->add(_font_settings);
+ _getContents()->add(*hbox);
+
+//List of SVGFonts declared in a document:
+ _model = Gtk::ListStore::create(_columns);
+ _FontsList.set_model(_model);
+ _FontsList.append_column_editable(_("_Fonts"), _columns.label);
+ _FontsList.get_selection()->signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_font_selection_changed));
+
+ this->update_fonts();
+
+ Gtk::Notebook *tabs = Gtk::manage(new Gtk::Notebook());
+ tabs->set_scrollable();
+
+ tabs->append_page(*global_settings_tab(), _("_Global Settings"), true);
+ tabs->append_page(*glyphs_tab(), _("_Glyphs"), true);
+ tabs->append_page(*kerning_tab(), _("_Kerning"), true);
+
+ _font_settings.add(*tabs);
+
+//Text Preview:
+ _preview_entry.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_preview_text_changed));
+ _getContents()->pack_start((Gtk::Widget&) _font_da, false, false);
+ _preview_entry.set_text(_("Sample Text"));
+ _font_da.set_text(_("Sample Text"));
+
+ Gtk::HBox* preview_entry_hbox = Gtk::manage(new Gtk::HBox(false, 4));
+ _getContents()->pack_start(*preview_entry_hbox, false, false); // Non-latin characters may need more height.
+ preview_entry_hbox->pack_start(*Gtk::manage(new Gtk::Label(_("Preview Text:"))), false, false);
+ preview_entry_hbox->pack_start(_preview_entry, true, true);
+
+ _FontsList.signal_button_release_event().connect_notify(sigc::mem_fun(*this, &SvgFontsDialog::fonts_list_button_release));
+ create_fonts_popup_menu(_FontsList, sigc::mem_fun(*this, &SvgFontsDialog::remove_selected_font));
+
+ _defs_observer.set(this->getDesktop()->getDocument()->getDefs());
+ _defs_observer.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::update_fonts));
+
+ _getContents()->show_all();
+}
+
+SvgFontsDialog::~SvgFontsDialog()= default;
+
+} // namespace Dialog
+} // namespace UI
+} // namespace Inkscape
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :