jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2021, the SerenityOS developers.
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include "NewFontDialog.h"
8#include <AK/StringBuilder.h>
9#include <Applications/FontEditor/NewFontDialogPage1GML.h>
10#include <Applications/FontEditor/NewFontDialogPage2GML.h>
11#include <LibGUI/Button.h>
12#include <LibGUI/CheckBox.h>
13#include <LibGUI/ComboBox.h>
14#include <LibGUI/ItemListModel.h>
15#include <LibGUI/Label.h>
16#include <LibGUI/MessageBox.h>
17#include <LibGUI/Painter.h>
18#include <LibGUI/SpinBox.h>
19#include <LibGUI/TextBox.h>
20#include <LibGUI/Widget.h>
21#include <LibGUI/Wizards/WizardDialog.h>
22#include <LibGfx/Font/BitmapFont.h>
23#include <LibGfx/Font/FontStyleMapping.h>
24#include <LibGfx/Palette.h>
25
26namespace FontEditor {
27
28class GlyphPreviewWidget final : public GUI::Frame {
29 C_OBJECT(GlyphPreviewWidget)
30public:
31 void set_preview_size(int width, int height)
32 {
33 m_width = width;
34 m_height = height;
35 for (int i = 10; i > 0; i--) {
36 if ((frame_thickness() * 2 + (m_width * i) - 1) <= 250
37 && (frame_thickness() * 2 + (m_height * i) - 1) <= 205) {
38 set_scale(i);
39 break;
40 }
41 }
42 set_fixed_width(frame_thickness() * 2 + (m_width * m_scale) - 1);
43 set_fixed_height(frame_thickness() * 2 + (m_height * m_scale) - 1);
44 }
45
46 void set_scale(int scale) { m_scale = scale; }
47 void set_baseline(int i) { m_baseline = i; }
48 void set_mean_line(int i) { m_mean_line = i; }
49
50private:
51 GlyphPreviewWidget()
52 {
53 set_preview_size(m_width, m_height);
54 }
55 virtual void paint_event(GUI::PaintEvent& event) override
56 {
57 GUI::Frame::paint_event(event);
58 GUI::Painter painter(*this);
59 painter.add_clip_rect(frame_inner_rect());
60 painter.add_clip_rect(event.rect());
61 painter.fill_rect(frame_inner_rect(), palette().base());
62 painter.translate(frame_thickness(), frame_thickness());
63
64 painter.translate(-1, -1);
65 for (int y = 1; y < m_height; ++y) {
66 int y_below = y - 1;
67 bool bold_line = y_below == m_baseline || y_below == m_mean_line;
68 painter.draw_line({ 0, y * m_scale }, { m_width * m_scale, y * m_scale }, palette().threed_shadow2(), bold_line ? 2 : 1);
69 }
70
71 for (int x = 1; x < m_width; ++x)
72 painter.draw_line({ x * m_scale, 0 }, { x * m_scale, m_height * m_scale }, palette().threed_shadow2());
73
74 for (int y = 0; y < m_height; ++y) {
75 for (int x = 0; x < m_width; ++x) {
76 Gfx::IntRect rect { x * m_scale, y * m_scale, m_scale, m_scale };
77 if (x >= m_width) {
78 painter.fill_rect(rect, palette().threed_shadow1());
79 } else {
80 if (m_bits[x][y])
81 painter.fill_rect(rect, palette().base_text());
82 }
83 }
84 }
85 }
86 virtual void mousedown_event(GUI::MouseEvent& event) override
87 {
88 draw_at_mouse(event);
89 }
90 virtual void mousemove_event(GUI::MouseEvent& event) override
91 {
92 if (event.buttons() & (GUI::MouseButton::Primary | GUI::MouseButton::Secondary))
93 draw_at_mouse(event);
94 }
95 void draw_at_mouse(GUI::MouseEvent const& event)
96 {
97 bool set = event.buttons() & GUI::MouseButton::Primary;
98 bool unset = event.buttons() & GUI::MouseButton::Secondary;
99 if (!(set ^ unset))
100 return;
101 int x = (event.x() - 1) / m_scale;
102 int y = (event.y() - 1) / m_scale;
103 if (x < 0 || x >= m_width)
104 return;
105 if (y < 0 || y >= m_height)
106 return;
107 if (m_bits[x][y] == set)
108 return;
109 m_bits[x][y] = set;
110 update();
111 }
112
113 int m_scale { 10 };
114 int m_width { 20 };
115 int m_height { 20 };
116 int m_mean_line { 2 };
117 int m_baseline { 16 };
118 u8 m_bits[Gfx::GlyphBitmap::max_width()][Gfx::GlyphBitmap::max_height()] {};
119};
120
121}
122
123REGISTER_WIDGET(FontEditor, GlyphPreviewWidget);
124
125NewFontDialog::NewFontDialog(GUI::Window* parent_window)
126 : GUI::WizardDialog(parent_window)
127{
128 set_title("New Font");
129
130 m_font_properties_page = GUI::WizardPage::construct("Typeface properties", "Edit details about this font.");
131 m_font_properties_page->body_widget().load_from_gml(new_font_dialog_page_1_gml).release_value_but_fixme_should_propagate_errors();
132
133 m_name_textbox = m_font_properties_page->body_widget().find_descendant_of_type_named<GUI::TextBox>("name_textbox");
134 m_family_textbox = m_font_properties_page->body_widget().find_descendant_of_type_named<GUI::TextBox>("family_textbox");
135 m_weight_combobox = m_font_properties_page->body_widget().find_descendant_of_type_named<GUI::ComboBox>("weight_combobox");
136 m_slope_combobox = m_font_properties_page->body_widget().find_descendant_of_type_named<GUI::ComboBox>("slope_combobox");
137 m_presentation_spinbox = m_font_properties_page->body_widget().find_descendant_of_type_named<GUI::SpinBox>("presentation_spinbox");
138
139 for (auto& it : Gfx::font_weight_names)
140 m_font_weight_list.append(it.name);
141 m_weight_combobox->set_model(*GUI::ItemListModel<DeprecatedString>::create(m_font_weight_list));
142 m_weight_combobox->set_selected_index(3);
143
144 for (auto& it : Gfx::font_slope_names)
145 m_font_slope_list.append(it.name);
146 m_slope_combobox->set_model(*GUI::ItemListModel<DeprecatedString>::create(m_font_slope_list));
147 m_slope_combobox->set_selected_index(0);
148
149 m_presentation_spinbox->set_value(12);
150
151 m_font_properties_page->on_page_enter = [&]() {
152 m_name_textbox->set_focus(true);
153 };
154 m_font_properties_page->on_next_page = [&]() {
155 return m_glyph_properties_page;
156 };
157
158 m_glyph_properties_page = GUI::WizardPage::construct("Glyph properties", "Edit details about this font.");
159 m_glyph_properties_page->body_widget().load_from_gml(new_font_dialog_page_2_gml).release_value_but_fixme_should_propagate_errors();
160 m_glyph_properties_page->set_is_final_page(true);
161
162 m_glyph_height_spinbox = m_glyph_properties_page->body_widget().find_descendant_of_type_named<GUI::SpinBox>("height_spinbox");
163 m_glyph_width_spinbox = m_glyph_properties_page->body_widget().find_descendant_of_type_named<GUI::SpinBox>("width_spinbox");
164 m_baseline_spinbox = m_glyph_properties_page->body_widget().find_descendant_of_type_named<GUI::SpinBox>("baseline_spinbox");
165 m_mean_line_spinbox = m_glyph_properties_page->body_widget().find_descendant_of_type_named<GUI::SpinBox>("mean_line_spinbox");
166 m_spacing_spinbox = m_glyph_properties_page->body_widget().find_descendant_of_type_named<GUI::SpinBox>("spacing_spinbox");
167 m_fixed_width_checkbox = m_glyph_properties_page->body_widget().find_descendant_of_type_named<GUI::CheckBox>("fixed_width_checkbox");
168
169 m_glyph_height_spinbox->set_value(20);
170 m_glyph_width_spinbox->set_value(20);
171 m_glyph_height_spinbox->set_max(Gfx::GlyphBitmap::max_height());
172 m_glyph_width_spinbox->set_max(Gfx::GlyphBitmap::max_width());
173 m_mean_line_spinbox->set_value(2);
174 m_baseline_spinbox->set_value(16);
175 m_mean_line_spinbox->set_max(max(m_glyph_height_spinbox->value() - 2, 0));
176 m_baseline_spinbox->set_max(max(m_glyph_height_spinbox->value() - 2, 0));
177 m_spacing_spinbox->set_value(1);
178 m_fixed_width_checkbox->set_checked(false);
179
180 auto& preview_editor = *m_glyph_properties_page->body_widget().find_descendant_of_type_named<FontEditor::GlyphPreviewWidget>("glyph_preview_widget");
181
182 m_glyph_width_spinbox->on_change = [&](int value) {
183 preview_editor.set_preview_size(value, m_glyph_height_spinbox->value());
184 };
185 m_glyph_height_spinbox->on_change = [&](int value) {
186 preview_editor.set_preview_size(m_glyph_width_spinbox->value(), value);
187 m_mean_line_spinbox->set_max(max(value - 2, 0));
188 m_baseline_spinbox->set_max(max(value - 2, 0));
189 };
190 m_baseline_spinbox->on_change = [&](int value) {
191 preview_editor.set_baseline(value);
192 preview_editor.update();
193 };
194 m_mean_line_spinbox->on_change = [&](int value) {
195 preview_editor.set_mean_line(value);
196 preview_editor.update();
197 };
198
199 push_page(*m_font_properties_page);
200}
201
202void NewFontDialog::save_metadata()
203{
204 m_new_font_metadata.name = m_name_textbox->text();
205 m_new_font_metadata.family = m_family_textbox->text();
206 m_new_font_metadata.weight = Gfx::name_to_weight(m_weight_combobox->text());
207 m_new_font_metadata.slope = Gfx::name_to_slope(m_slope_combobox->text());
208 m_new_font_metadata.presentation_size = m_presentation_spinbox->value();
209
210 m_new_font_metadata.baseline = m_baseline_spinbox->value();
211 m_new_font_metadata.mean_line = m_mean_line_spinbox->value();
212 m_new_font_metadata.glyph_height = m_glyph_height_spinbox->value();
213 m_new_font_metadata.glyph_width = m_glyph_width_spinbox->value();
214 m_new_font_metadata.glyph_spacing = m_spacing_spinbox->value();
215 m_new_font_metadata.is_fixed_width = m_fixed_width_checkbox->is_checked();
216}
217
218ErrorOr<NonnullRefPtr<Gfx::BitmapFont>> NewFontDialog::create_font()
219{
220 save_metadata();
221
222 auto font = TRY(Gfx::BitmapFont::try_create(m_new_font_metadata.glyph_height, m_new_font_metadata.glyph_width, m_new_font_metadata.is_fixed_width, 0x110000));
223 font->set_name(m_new_font_metadata.name);
224 font->set_family(m_new_font_metadata.family);
225 font->set_presentation_size(m_new_font_metadata.presentation_size);
226 font->set_weight(m_new_font_metadata.weight);
227 font->set_slope(m_new_font_metadata.slope);
228 font->set_baseline(m_new_font_metadata.baseline);
229 font->set_mean_line(m_new_font_metadata.mean_line);
230 font->set_glyph_spacing(m_new_font_metadata.glyph_spacing);
231
232 return font;
233}