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Applications: Move to Userland/Applications/
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125
Userland/Applications/FontEditor/GlyphEditorWidget.cpp
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125
Userland/Applications/FontEditor/GlyphEditorWidget.cpp
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "GlyphEditorWidget.h"
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#include <LibGUI/Painter.h>
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#include <LibGfx/BitmapFont.h>
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#include <LibGfx/Palette.h>
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GlyphEditorWidget::GlyphEditorWidget(Gfx::BitmapFont& mutable_font)
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: m_font(mutable_font)
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{
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set_relative_rect({ 0, 0, preferred_width(), preferred_height() });
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}
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GlyphEditorWidget::~GlyphEditorWidget()
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{
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}
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void GlyphEditorWidget::set_glyph(int glyph)
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{
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if (m_glyph == glyph)
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return;
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m_glyph = glyph;
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update();
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}
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void GlyphEditorWidget::paint_event(GUI::PaintEvent& event)
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{
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GUI::Frame::paint_event(event);
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GUI::Painter painter(*this);
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painter.add_clip_rect(frame_inner_rect());
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painter.add_clip_rect(event.rect());
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painter.fill_rect(frame_inner_rect(), palette().base());
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painter.translate(frame_thickness(), frame_thickness());
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painter.translate(-1, -1);
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for (int y = 1; y < font().glyph_height(); ++y) {
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int y_below = y - 1;
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bool bold_line = y_below == font().baseline() || y_below == font().mean_line();
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painter.draw_line({ 0, y * m_scale }, { font().max_glyph_width() * m_scale, y * m_scale }, palette().threed_shadow2(), bold_line ? 2 : 1);
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}
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for (int x = 1; x < font().max_glyph_width(); ++x)
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painter.draw_line({ x * m_scale, 0 }, { x * m_scale, font().glyph_height() * m_scale }, palette().threed_shadow2());
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auto bitmap = font().glyph_bitmap(m_glyph);
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for (int y = 0; y < font().glyph_height(); ++y) {
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for (int x = 0; x < font().max_glyph_width(); ++x) {
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Gfx::IntRect rect { x * m_scale, y * m_scale, m_scale, m_scale };
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if (x >= font().glyph_width(m_glyph)) {
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painter.fill_rect(rect, palette().threed_shadow1());
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} else {
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if (bitmap.bit_at(x, y))
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painter.fill_rect(rect, palette().base_text());
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}
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}
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}
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}
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void GlyphEditorWidget::mousedown_event(GUI::MouseEvent& event)
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{
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draw_at_mouse(event);
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}
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void GlyphEditorWidget::mousemove_event(GUI::MouseEvent& event)
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{
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if (event.buttons() & (GUI::MouseButton::Left | GUI::MouseButton::Right))
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draw_at_mouse(event);
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}
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void GlyphEditorWidget::draw_at_mouse(const GUI::MouseEvent& event)
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{
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bool set = event.buttons() & GUI::MouseButton::Left;
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bool unset = event.buttons() & GUI::MouseButton::Right;
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if (!(set ^ unset))
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return;
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int x = (event.x() - 1) / m_scale;
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int y = (event.y() - 1) / m_scale;
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auto bitmap = font().glyph_bitmap(m_glyph);
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if (x < 0 || x >= bitmap.width())
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return;
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if (y < 0 || y >= bitmap.height())
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return;
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if (bitmap.bit_at(x, y) == set)
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return;
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bitmap.set_bit_at(x, y, set);
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if (on_glyph_altered)
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on_glyph_altered(m_glyph);
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update();
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}
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int GlyphEditorWidget::preferred_width() const
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{
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return frame_thickness() * 2 + font().max_glyph_width() * m_scale - 1;
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}
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int GlyphEditorWidget::preferred_height() const
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{
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return frame_thickness() * 2 + font().glyph_height() * m_scale - 1;
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}
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