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PixelPaint: Add Image>Resize Image... dialog. (Front end)

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Andrew Smith 2022-03-08 06:00:04 -06:00 • committed by Andreas Kling
parent abaecb878b
commit 02399d4775
11 changed files with 302 additions and 0 deletions
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Userland/Applications/PixelPaint/ResizeImageDialog.cpp Normal file
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/*
* Copyright (c) 2022, Andrew Smith <andrew@alsmith.net>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "ResizeImageDialog.h"
#include <Applications/PixelPaint/ResizeImageDialogGML.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Button.h>
#include <LibGUI/CheckBox.h>
#include <LibGUI/ComboBox.h>
#include <LibGUI/Label.h>
#include <LibGUI/RadioButton.h>
#include <LibGUI/SpinBox.h>
namespace PixelPaint {
ResizeImageDialog::ResizeImageDialog(Gfx::IntSize const& suggested_size, GUI::Window* parent_window)
: Dialog(parent_window)
{
m_desired_size.set_width(max(1, suggested_size.width()));
m_desired_size.set_height(max(1, suggested_size.height()));
m_starting_aspect_ratio = m_desired_size.width() / static_cast<float>(m_desired_size.height());
set_title("Resize Image");
resize(260, 210);
set_icon(parent_window->icon());
auto& main_widget = set_main_widget<GUI::Widget>();
if (!main_widget.load_from_gml(resize_image_dialog_gml))
VERIFY_NOT_REACHED();
auto width_spinbox = main_widget.find_descendant_of_type_named<GUI::SpinBox>("width_spinbox");
auto height_spinbox = main_widget.find_descendant_of_type_named<GUI::SpinBox>("height_spinbox");
auto keep_aspect_ratio_checkbox = main_widget.find_descendant_of_type_named<GUI::CheckBox>("keep_aspect_ratio_checkbox");
VERIFY(width_spinbox);
VERIFY(height_spinbox);
VERIFY(keep_aspect_ratio_checkbox);
width_spinbox->set_value(m_desired_size.width());
width_spinbox->on_change = [this, height_spinbox, keep_aspect_ratio_checkbox](int value) {
if (keep_aspect_ratio_checkbox->is_checked()) {
int desired_height = static_cast<int>(roundf(value / m_starting_aspect_ratio));
height_spinbox->set_value(desired_height, GUI::AllowCallback::No);
m_desired_size.set_height(height_spinbox->value());
}
m_desired_size.set_width(value);
};
width_spinbox->on_return_pressed = [this]() {
done(ExecResult::OK);
};
height_spinbox->set_value(m_desired_size.height());
height_spinbox->on_change = [this, width_spinbox, keep_aspect_ratio_checkbox](int value) {
if (keep_aspect_ratio_checkbox->is_checked()) {
int desired_width = static_cast<int>(roundf(value * m_starting_aspect_ratio));
width_spinbox->set_value(desired_width, GUI::AllowCallback::No);
m_desired_size.set_width(width_spinbox->value());
}
m_desired_size.set_height(value);
};
height_spinbox->on_return_pressed = [this]() {
done(ExecResult::OK);
};
keep_aspect_ratio_checkbox->on_checked = [this, height_spinbox](bool is_checked) {
if (is_checked) {
int desired_height = static_cast<int>(roundf(m_desired_size.width() / m_starting_aspect_ratio));
height_spinbox->set_value(desired_height, GUI::AllowCallback::No);
m_desired_size.set_height(height_spinbox->value());
}
};
auto nearest_neighbor_radio = main_widget.find_descendant_of_type_named<GUI::RadioButton>("nearest_neighbor_radio");
auto bilinear_radio = main_widget.find_descendant_of_type_named<GUI::RadioButton>("bilinear_radio");
VERIFY(nearest_neighbor_radio);
VERIFY(bilinear_radio);
m_scaling_mode = Gfx::Painter::ScalingMode::NearestNeighbor;
if (bilinear_radio->is_checked()) {
m_scaling_mode = Gfx::Painter::ScalingMode::BilinearBlend;
}
nearest_neighbor_radio->on_checked = [this](bool is_checked) {
if (is_checked)
m_scaling_mode = Gfx::Painter::ScalingMode::NearestNeighbor;
};
bilinear_radio->on_checked = [this](bool is_checked) {
if (is_checked)
m_scaling_mode = Gfx::Painter::ScalingMode::BilinearBlend;
};
auto ok_button = main_widget.find_descendant_of_type_named<GUI::Button>("ok_button");
auto cancel_button = main_widget.find_descendant_of_type_named<GUI::Button>("cancel_button");
VERIFY(ok_button);
VERIFY(cancel_button);
ok_button->on_click = [this](auto) {
done(ExecResult::OK);
};
cancel_button->on_click = [this](auto) {
done(ExecResult::Cancel);
};
}
}