ladybird/Applications/PixelPaint/PenTool.cpp
Andreas Kling 116cf92156 LibGfx: Rename Rect,Point,Size => IntRect,IntPoint,IntSize
This fits nicer with FloatRect,FloatPoint,FloatSize and gives a much
better visual clue about what type of metric is being used.
2020-06-10 10:59:04 +02:00

97 lines
3.6 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "PenTool.h"
#include "ImageEditor.h"
#include "Layer.h"
#include <LibGUI/Action.h>
#include <LibGUI/Menu.h>
#include <LibGUI/Painter.h>
namespace PixelPaint {
PenTool::PenTool()
{
}
PenTool::~PenTool()
{
}
void PenTool::on_mousedown(Layer& layer, GUI::MouseEvent& event, GUI::MouseEvent&)
{
if (event.button() != GUI::MouseButton::Left && event.button() != GUI::MouseButton::Right)
return;
GUI::Painter painter(layer.bitmap());
painter.draw_line(event.position(), event.position(), m_editor->color_for(event), m_thickness);
layer.did_modify_bitmap(*m_editor->image());
m_last_drawing_event_position = event.position();
}
void PenTool::on_mouseup(Layer&, GUI::MouseEvent& event, GUI::MouseEvent&)
{
if (event.button() == GUI::MouseButton::Left || event.button() == GUI::MouseButton::Right)
m_last_drawing_event_position = { -1, -1 };
}
void PenTool::on_mousemove(Layer& layer, GUI::MouseEvent& event, GUI::MouseEvent&)
{
if (!(event.buttons() & GUI::MouseButton::Left || event.buttons() & GUI::MouseButton::Right))
return;
GUI::Painter painter(layer.bitmap());
if (m_last_drawing_event_position != Gfx::IntPoint(-1, -1))
painter.draw_line(m_last_drawing_event_position, event.position(), m_editor->color_for(event), m_thickness);
else
painter.draw_line(event.position(), event.position(), m_editor->color_for(event), m_thickness);
layer.did_modify_bitmap(*m_editor->image());
m_last_drawing_event_position = event.position();
}
void PenTool::on_tool_button_contextmenu(GUI::ContextMenuEvent& event)
{
if (!m_context_menu) {
m_context_menu = GUI::Menu::construct();
m_thickness_actions.set_exclusive(true);
auto insert_action = [&](int size, bool checked = false) {
auto action = GUI::Action::create_checkable(String::number(size), [this, size](auto&) {
m_thickness = size;
});
action->set_checked(checked);
m_thickness_actions.add_action(*action);
m_context_menu->add_action(move(action));
};
insert_action(1, true);
insert_action(2);
insert_action(3);
insert_action(4);
}
m_context_menu->popup(event.screen_position());
}
}