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https://github.com/RGBCube/serenity
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2afa28d297
Previously, only the color from the selected layer would be picked. Now, we allow the user to select if they want to sample the color from all layers.
63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Mustafa Quraish <mustafa@cs.toronto.edu>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "PickerTool.h"
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#include "ImageEditor.h"
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#include "Layer.h"
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/CheckBox.h>
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namespace PixelPaint {
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PickerTool::PickerTool()
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{
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}
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PickerTool::~PickerTool()
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{
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}
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void PickerTool::on_mousedown(Layer* layer, MouseEvent& event)
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{
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auto& position = event.layer_event().position();
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Color color;
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if (m_sample_all_layers) {
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color = m_editor->image().color_at(position);
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} else {
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if (!layer || !layer->rect().contains(position))
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return;
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color = layer->bitmap().get_pixel(position);
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}
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// We picked a transparent pixel, do nothing.
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if (!color.alpha())
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return;
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if (event.layer_event().button() == GUI::MouseButton::Left)
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m_editor->set_primary_color(color);
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else if (event.layer_event().button() == GUI::MouseButton::Right)
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m_editor->set_secondary_color(color);
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}
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GUI::Widget* PickerTool::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& sample_checkbox = m_properties_widget->add<GUI::CheckBox>("Sample all layers");
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sample_checkbox.set_checked(m_sample_all_layers);
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sample_checkbox.on_checked = [&](bool value) {
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m_sample_all_layers = 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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