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Applications: Move to Userland/Applications/
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287 changed files with 1 additions and 1 deletions
128
Userland/Applications/PixelPaint/PenTool.cpp
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128
Userland/Applications/PixelPaint/PenTool.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 "PenTool.h"
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#include "ImageEditor.h"
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#include "Layer.h"
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#include <LibGUI/Action.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Label.h>
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#include <LibGUI/Menu.h>
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#include <LibGUI/Painter.h>
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#include <LibGUI/Slider.h>
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namespace PixelPaint {
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PenTool::PenTool()
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{
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}
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PenTool::~PenTool()
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{
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}
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void PenTool::on_mousedown(Layer& layer, GUI::MouseEvent& event, GUI::MouseEvent&)
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{
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if (event.button() != GUI::MouseButton::Left && event.button() != GUI::MouseButton::Right)
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return;
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GUI::Painter painter(layer.bitmap());
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painter.draw_line(event.position(), event.position(), m_editor->color_for(event), m_thickness);
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layer.did_modify_bitmap(*m_editor->image());
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m_last_drawing_event_position = event.position();
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}
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void PenTool::on_mouseup(Layer&, GUI::MouseEvent& event, GUI::MouseEvent&)
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{
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if (event.button() == GUI::MouseButton::Left || event.button() == GUI::MouseButton::Right) {
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m_last_drawing_event_position = { -1, -1 };
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m_editor->did_complete_action();
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}
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}
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void PenTool::on_mousemove(Layer& layer, GUI::MouseEvent& event, GUI::MouseEvent&)
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{
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if (!(event.buttons() & GUI::MouseButton::Left || event.buttons() & GUI::MouseButton::Right))
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return;
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GUI::Painter painter(layer.bitmap());
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if (m_last_drawing_event_position != Gfx::IntPoint(-1, -1))
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painter.draw_line(m_last_drawing_event_position, event.position(), m_editor->color_for(event), m_thickness);
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else
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painter.draw_line(event.position(), event.position(), m_editor->color_for(event), m_thickness);
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layer.did_modify_bitmap(*m_editor->image());
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m_last_drawing_event_position = event.position();
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}
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void PenTool::on_tool_button_contextmenu(GUI::ContextMenuEvent& event)
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{
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if (!m_context_menu) {
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m_context_menu = GUI::Menu::construct();
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m_thickness_actions.set_exclusive(true);
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auto insert_action = [&](int size, bool checked = false) {
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auto action = GUI::Action::create_checkable(String::number(size), [this, size](auto&) {
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m_thickness = size;
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});
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action->set_checked(checked);
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m_thickness_actions.add_action(*action);
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m_context_menu->add_action(move(action));
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};
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insert_action(1, true);
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insert_action(2);
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insert_action(3);
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insert_action(4);
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}
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m_context_menu->popup(event.screen_position());
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}
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GUI::Widget* PenTool::get_properties_widget()
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{
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if (!m_properties_widget) {
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m_properties_widget = GUI::Widget::construct();
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m_properties_widget->set_layout<GUI::VerticalBoxLayout>();
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auto& thickness_container = m_properties_widget->add<GUI::Widget>();
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thickness_container.set_fixed_height(20);
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thickness_container.set_layout<GUI::HorizontalBoxLayout>();
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auto& thickness_label = thickness_container.add<GUI::Label>("Thickness:");
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thickness_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
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thickness_label.set_fixed_size(80, 20);
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auto& thickness_slider = thickness_container.add<GUI::HorizontalSlider>();
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thickness_slider.set_fixed_height(20);
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thickness_slider.set_range(1, 20);
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thickness_slider.set_value(m_thickness);
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thickness_slider.on_change = [this](int value) {
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m_thickness = value;
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};
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}
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return m_properties_widget.ptr();
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}
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}
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