mirror of
https://github.com/fergalmoran/ladybird.git
synced 2026-01-06 00:25:12 +00:00
b6200a3ed8
This adds a tooltip to all the slider properties showing their current value. Previously there was no indication of what value they had. Also rename the SprayTool property 'thickness' to 'size' like BrushTool calls it.
140 lines
4.1 KiB
C++
140 lines
4.1 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "SprayTool.h"
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#include "ImageEditor.h"
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#include "Layer.h"
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#include <AK/Math.h>
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#include <AK/Queue.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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#include <LibGfx/Bitmap.h>
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namespace PixelPaint {
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SprayTool::SprayTool()
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{
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m_timer = Core::Timer::construct();
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m_timer->on_timeout = [&]() {
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paint_it();
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};
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m_timer->set_interval(200);
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}
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SprayTool::~SprayTool()
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{
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}
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static double nrand()
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{
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return double(rand()) / double(RAND_MAX);
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}
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void SprayTool::paint_it()
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{
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auto* layer = m_editor->active_layer();
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if (!layer)
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return;
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auto& bitmap = layer->bitmap();
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GUI::Painter painter(bitmap);
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VERIFY(bitmap.bpp() == 32);
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const double minimal_radius = 2;
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const double base_radius = minimal_radius * m_thickness;
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for (int i = 0; i < M_PI * base_radius * base_radius * (m_density / 100.0); i++) {
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double radius = base_radius * nrand();
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double angle = 2 * M_PI * nrand();
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const int xpos = m_last_pos.x() + radius * AK::cos(angle);
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const int ypos = m_last_pos.y() - radius * AK::sin(angle);
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if (xpos < 0 || xpos >= bitmap.width())
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continue;
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if (ypos < 0 || ypos >= bitmap.height())
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continue;
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bitmap.set_pixel<Gfx::StorageFormat::BGRA8888>(xpos, ypos, m_color);
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}
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layer->did_modify_bitmap(Gfx::IntRect::centered_on(m_last_pos, Gfx::IntSize(base_radius * 2, base_radius * 2)));
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}
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void SprayTool::on_mousedown(Layer&, GUI::MouseEvent& event, GUI::MouseEvent&)
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{
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m_color = m_editor->color_for(event);
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m_last_pos = event.position();
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m_timer->start();
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paint_it();
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}
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void SprayTool::on_mousemove(Layer&, GUI::MouseEvent& event, GUI::MouseEvent&)
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{
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m_last_pos = event.position();
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if (m_timer->is_active()) {
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paint_it();
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m_timer->restart(m_timer->interval());
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}
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}
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void SprayTool::on_mouseup(Layer&, GUI::MouseEvent&, GUI::MouseEvent&)
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{
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if (m_timer->is_active()) {
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m_timer->stop();
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m_editor->did_complete_action();
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}
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}
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GUI::Widget* SprayTool::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& size_container = m_properties_widget->add<GUI::Widget>();
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size_container.set_fixed_height(20);
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size_container.set_layout<GUI::HorizontalBoxLayout>();
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auto& size_label = size_container.add<GUI::Label>("Size:");
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size_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
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size_label.set_fixed_size(80, 20);
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auto& size_slider = size_container.add<GUI::HorizontalSlider>();
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size_slider.set_fixed_height(20);
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size_slider.set_range(1, 20);
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size_slider.set_value(m_thickness);
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size_slider.set_tooltip(String::formatted("{}", m_thickness));
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size_slider.on_change = [&](int value) {
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m_thickness = value;
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size_slider.set_tooltip(String::formatted("{}", value));
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};
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auto& density_container = m_properties_widget->add<GUI::Widget>();
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density_container.set_fixed_height(20);
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density_container.set_layout<GUI::HorizontalBoxLayout>();
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auto& density_label = density_container.add<GUI::Label>("Density:");
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density_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
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density_label.set_fixed_size(80, 20);
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auto& density_slider = density_container.add<GUI::HorizontalSlider>();
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density_slider.set_fixed_height(30);
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density_slider.set_range(1, 100);
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density_slider.set_value(m_density);
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density_slider.set_tooltip(String::formatted("{}%", m_density));
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density_slider.on_change = [&](int value) {
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m_density = value;
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density_slider.set_tooltip(String::formatted("{}%", 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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