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/*
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "NewFontDialog.h"
#include <AK/StringBuilder.h>
#include <Applications/FontEditor/NewFontDialogPage1GML.h>
#include <Applications/FontEditor/NewFontDialogPage2GML.h>
#include <LibGUI/Button.h>
#include <LibGUI/CheckBox.h>
#include <LibGUI/ComboBox.h>
#include <LibGUI/ItemListModel.h>
#include <LibGUI/Label.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/Painter.h>
#include <LibGUI/SpinBox.h>
#include <LibGUI/TextBox.h>
#include <LibGUI/Widget.h>
#include <LibGUI/Wizards/WizardDialog.h>
#include <LibGfx/BitmapFont.h>
#include <LibGfx/FontStyleMapping.h>
#include <LibGfx/Palette.h>
static constexpr int s_max_width = 32;
static constexpr int s_max_height = 36;
namespace GUI {
class GlyphPreviewWidget final : public Frame {
C_OBJECT(GlyphPreviewWidget)
public:
void set_preview_size(int width, int height)
{
m_width = width;
m_height = height;
m_glyph_width = width;
for (int i = 10; i > 0; i--) {
if ((frame_thickness() * 2 + (m_width * i) - 1) <= 250
&& (frame_thickness() * 2 + (m_height * i) - 1) <= 205) {
set_scale(i);
break;
}
}
set_fixed_width(frame_thickness() * 2 + (m_width * m_scale) - 1);
set_fixed_height(frame_thickness() * 2 + (m_height * m_scale) - 1);
}
void set_scale(int scale) { m_scale = scale; }
void set_baseline(int i) { m_baseline = i; }
void set_mean_line(int i) { m_mean_line = i; }
private:
GlyphPreviewWidget()
{
set_preview_size(m_width, m_height);
}
virtual void paint_event(PaintEvent& event) override
{
Frame::paint_event(event);
Painter painter(*this);
painter.add_clip_rect(frame_inner_rect());
painter.add_clip_rect(event.rect());
painter.fill_rect(frame_inner_rect(), palette().base());
painter.translate(frame_thickness(), frame_thickness());
painter.translate(-1, -1);
for (int y = 1; y < m_height; ++y) {
int y_below = y - 1;
bool bold_line = y_below == m_baseline || y_below == m_mean_line;
painter.draw_line({ 0, y * m_scale }, { m_width * m_scale, y * m_scale }, palette().threed_shadow2(), bold_line ? 2 : 1);
}
for (int x = 1; x < m_width; ++x)
painter.draw_line({ x * m_scale, 0 }, { x * m_scale, m_height * m_scale }, palette().threed_shadow2());
for (int y = 0; y < m_height; ++y) {
for (int x = 0; x < m_width; ++x) {
Gfx::IntRect rect { x * m_scale, y * m_scale, m_scale, m_scale };
if (x >= m_glyph_width) {
painter.fill_rect(rect, palette().threed_shadow1());
} else {
if (m_bits[x][y])
painter.fill_rect(rect, palette().base_text());
}
}
}
}
virtual void mousedown_event(MouseEvent& event) override
{
draw_at_mouse(event);
}
virtual void mousemove_event(MouseEvent& event) override
{
if (event.buttons() & (GUI::MouseButton::Left | GUI::MouseButton::Right))
draw_at_mouse(event);
}
void draw_at_mouse(const MouseEvent& event)
{
bool set = event.buttons() & MouseButton::Left;
bool unset = event.buttons() & MouseButton::Right;
if (!(set ^ unset))
return;
int x = (event.x() - 1) / m_scale;
int y = (event.y() - 1) / m_scale;
if (x < 0 || x >= m_width)
return;
if (y < 0 || y >= m_height)
return;
if (m_bits[x][y] == set)
return;
m_bits[x][y] = set;
update();
}
int m_scale { 20 };
int m_width { 20 };
int m_height { 20 };
int m_glyph_width { 20 };
int m_mean_line { 2 };
int m_baseline { 16 };
u8 m_bits[s_max_width][s_max_height] {};
};
}
NewFontDialog::NewFontDialog(GUI::Window* parent_window)
: GUI::WizardDialog(parent_window)
{
set_title("New Font");
m_font_properties_page = GUI::WizardPage::construct("Font properties", "Edit details about this font.");
m_font_properties_page->body_widget().load_from_gml(new_font_dialog_page_1_gml);
m_name_textbox = m_font_properties_page->body_widget().find_descendant_of_type_named<GUI::TextBox>("name_textbox");
m_family_textbox = m_font_properties_page->body_widget().find_descendant_of_type_named<GUI::TextBox>("family_textbox");
m_weight_combobox = m_font_properties_page->body_widget().find_descendant_of_type_named<GUI::ComboBox>("weight_combobox");
m_slope_combobox = m_font_properties_page->body_widget().find_descendant_of_type_named<GUI::ComboBox>("slope_combobox");
m_presentation_spinbox = m_font_properties_page->body_widget().find_descendant_of_type_named<GUI::SpinBox>("presentation_spinbox");
for (auto& it : Gfx::font_weight_names)
m_font_weight_list.append(it.name);
m_weight_combobox->set_model(*GUI::ItemListModel<String>::create(m_font_weight_list));
m_weight_combobox->set_selected_index(3);
for (auto& it : Gfx::font_slope_names)
m_font_slope_list.append(it.name);
m_slope_combobox->set_model(*GUI::ItemListModel<String>::create(m_font_slope_list));
m_slope_combobox->set_selected_index(0);
m_presentation_spinbox->set_value(12);
m_font_properties_page->on_page_enter = [&]() {
m_name_textbox->set_focus(true);
};
m_font_properties_page->on_next_page = [&]() {
return m_glyph_properties_page;
};
m_glyph_properties_page = GUI::WizardPage::construct("Glyph properties", "Edit details about this font.");
m_glyph_properties_page->body_widget().load_from_gml(new_font_dialog_page_2_gml);
m_glyph_properties_page->set_is_final_page(true);
m_glyph_editor_container = m_glyph_properties_page->body_widget().find_descendant_of_type_named<GUI::Widget>("glyph_editor_container");
m_glyph_height_spinbox = m_glyph_properties_page->body_widget().find_descendant_of_type_named<GUI::SpinBox>("height_spinbox");
m_glyph_width_spinbox = m_glyph_properties_page->body_widget().find_descendant_of_type_named<GUI::SpinBox>("width_spinbox");
m_baseline_spinbox = m_glyph_properties_page->body_widget().find_descendant_of_type_named<GUI::SpinBox>("baseline_spinbox");
m_mean_line_spinbox = m_glyph_properties_page->body_widget().find_descendant_of_type_named<GUI::SpinBox>("mean_line_spinbox");
m_spacing_spinbox = m_glyph_properties_page->body_widget().find_descendant_of_type_named<GUI::SpinBox>("spacing_spinbox");
m_fixed_width_checkbox = m_glyph_properties_page->body_widget().find_descendant_of_type_named<GUI::CheckBox>("fixed_width_checkbox");
m_glyph_height_spinbox->set_value(20);
m_glyph_width_spinbox->set_value(20);
m_glyph_height_spinbox->set_max(s_max_height);
m_glyph_width_spinbox->set_max(s_max_width);
m_mean_line_spinbox->set_value(2);
m_baseline_spinbox->set_value(16);
m_mean_line_spinbox->set_max(max(m_glyph_height_spinbox->value() - 2, 0));
m_baseline_spinbox->set_max(max(m_glyph_height_spinbox->value() - 2, 0));
m_spacing_spinbox->set_value(1);
m_fixed_width_checkbox->set_checked(false);
auto& preview_editor = m_glyph_editor_container->add<GUI::GlyphPreviewWidget>();
preview_editor.set_preview_size(20, 20);
m_glyph_editor_container->set_fixed_height(20 * 20 + preview_editor.frame_thickness() * 4);
m_glyph_width_spinbox->on_change = [&](int value) {
preview_editor.set_preview_size(value, m_glyph_height_spinbox->value());
deferred_invoke([&] {
m_glyph_editor_container->set_fixed_height(1 + preview_editor.height() + preview_editor.frame_thickness() * 2);
});
};
m_glyph_height_spinbox->on_change = [&](int value) {
preview_editor.set_preview_size(m_glyph_width_spinbox->value(), value);
m_mean_line_spinbox->set_max(max(value - 2, 0));
m_baseline_spinbox->set_max(max(value - 2, 0));
deferred_invoke([&] {
m_glyph_editor_container->set_fixed_height(1 + preview_editor.height() + preview_editor.frame_thickness() * 2);
});
};
m_baseline_spinbox->on_change = [&](int value) {
preview_editor.set_baseline(value);
preview_editor.update();
};
m_mean_line_spinbox->on_change = [&](int value) {
preview_editor.set_mean_line(value);
preview_editor.update();
};
push_page(*m_font_properties_page);
}
void NewFontDialog::save_metadata()
{
m_new_font_metadata.name = m_name_textbox->text();
m_new_font_metadata.family = m_family_textbox->text();
m_new_font_metadata.weight = Gfx::name_to_weight(m_weight_combobox->text());
m_new_font_metadata.slope = Gfx::name_to_slope(m_slope_combobox->text());
m_new_font_metadata.presentation_size = m_presentation_spinbox->value();
m_new_font_metadata.baseline = m_baseline_spinbox->value();
m_new_font_metadata.mean_line = m_mean_line_spinbox->value();
m_new_font_metadata.glyph_height = m_glyph_height_spinbox->value();
m_new_font_metadata.glyph_width = m_glyph_width_spinbox->value();
m_new_font_metadata.glyph_spacing = m_spacing_spinbox->value();
m_new_font_metadata.is_fixed_width = m_fixed_width_checkbox->is_checked();
}
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