mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 23:50:19 +00:00
124 lines
3.9 KiB
C++
124 lines
3.9 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 "SprayTool.h"
|
|
#include "PaintableWidget.h"
|
|
#include <AK/Queue.h>
|
|
#include <AK/SinglyLinkedList.h>
|
|
#include <LibGUI/Painter.h>
|
|
#include <LibGUI/Action.h>
|
|
#include <LibGUI/Menu.h>
|
|
#include <LibGfx/Bitmap.h>
|
|
#include <stdio.h>
|
|
#include <LibM/math.h>
|
|
|
|
SprayTool::SprayTool()
|
|
{
|
|
m_timer = Core::Timer::construct();
|
|
m_timer->on_timeout = [&]() {
|
|
paint_it();
|
|
};
|
|
m_timer->set_interval(200);
|
|
}
|
|
|
|
SprayTool::~SprayTool()
|
|
{
|
|
}
|
|
|
|
static double nrand()
|
|
{
|
|
return double(rand()) / double(RAND_MAX);
|
|
}
|
|
|
|
void SprayTool::paint_it()
|
|
{
|
|
GUI::Painter painter(m_widget->bitmap());
|
|
auto& bitmap = m_widget->bitmap();
|
|
ASSERT(bitmap.bpp() == 32);
|
|
m_widget->update();
|
|
const double minimal_radius = 10;
|
|
const double base_radius = minimal_radius * m_thickness;
|
|
for (int i = 0; i < 100 + (nrand() * 800); i++) {
|
|
double radius = base_radius * nrand();
|
|
double angle = 2 * M_PI * nrand();
|
|
const int xpos = m_last_pos.x() + radius * cos(angle);
|
|
const int ypos = m_last_pos.y() - radius * sin(angle);
|
|
if (xpos < 0 || xpos >= bitmap.width())
|
|
continue;
|
|
if (ypos < 0 || ypos >= bitmap.height())
|
|
continue;
|
|
bitmap.set_pixel<Gfx::BitmapFormat::RGB32>(xpos, ypos, m_color);
|
|
}
|
|
}
|
|
|
|
void SprayTool::on_mousedown(GUI::MouseEvent& event)
|
|
{
|
|
if (!m_widget->rect().contains(event.position()))
|
|
return;
|
|
|
|
m_color = m_widget->color_for(event);
|
|
m_last_pos = event.position();
|
|
m_timer->start();
|
|
paint_it();
|
|
}
|
|
|
|
void SprayTool::on_mousemove(GUI::MouseEvent& event)
|
|
{
|
|
m_last_pos = event.position();
|
|
if (m_timer->is_active()) {
|
|
paint_it();
|
|
m_timer->restart(m_timer->interval());
|
|
}
|
|
}
|
|
|
|
void SprayTool::on_mouseup(GUI::MouseEvent&)
|
|
{
|
|
m_timer->stop();
|
|
}
|
|
|
|
void SprayTool::on_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(String::number(size), [this, size](auto& action) {
|
|
m_thickness = size;
|
|
action.set_checked(true);
|
|
});
|
|
action->set_checkable(true);
|
|
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());
|
|
}
|
|
|