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PixelPaint: Added Zoom tool

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lucastarche 2021-03-22 14:34:20 -03:00 • committed by Andreas Kling
parent 3947d301e5
commit fa9dfa3da1
5 changed files with 129 additions and 0 deletions
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78
Userland/Applications/PixelPaint/ZoomTool.cpp Normal file
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/*
* Copyright (c) 2021, the SerenityOS developers.
* 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 "ZoomTool.h"
#include "ImageEditor.h"
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Label.h>
#include <LibGUI/Slider.h>
namespace PixelPaint {
ZoomTool::ZoomTool()
{
}
ZoomTool::~ZoomTool()
{
}
void ZoomTool::on_mousedown(Layer&, GUI::MouseEvent& event, GUI::MouseEvent&)
{
if (event.button() != GUI::MouseButton::Left && event.button() != GUI::MouseButton::Right)
return;
auto scale_factor = (event.button() == GUI::MouseButton::Left) ? m_sensitivity : -m_sensitivity;
m_editor->scale_centered_on_position(event.position(), scale_factor);
}
GUI::Widget* ZoomTool::get_properties_widget()
{
if (!m_properties_widget) {
m_properties_widget = GUI::Widget::construct();
m_properties_widget->set_layout<GUI::VerticalBoxLayout>();
auto& sensitivity_container = m_properties_widget->add<GUI::Widget>();
sensitivity_container.set_fixed_height(20);
sensitivity_container.set_layout<GUI::HorizontalBoxLayout>();
auto& sensitivity_label = sensitivity_container.add<GUI::Label>("Sensitivity:");
sensitivity_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
sensitivity_label.set_fixed_size(80, 20);
auto& sensitivity_slider = sensitivity_container.add<GUI::HorizontalSlider>();
sensitivity_slider.set_fixed_height(20);
sensitivity_slider.set_range(1, 100);
sensitivity_slider.set_value(100 * m_sensitivity);
sensitivity_slider.on_change = [this](int value) {
m_sensitivity = (double)value / 100.0;
};
}
return m_properties_widget.ptr();
}
}