mirror of
https://github.com/greenshot/greenshot.git
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165 lines
5.2 KiB
C#
165 lines
5.2 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2016 Thomas Braun, Jens Klingen, Robin Krom
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*
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* For more information see: http://getgreenshot.org/
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* The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Drawing;
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using System.Windows.Forms;
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using GreenshotPlugin.Core;
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using GreenshotPlugin.Effects;
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namespace Greenshot.Forms {
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/// <summary>
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/// A form to set the resize settings
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/// </summary>
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public partial class ResizeSettingsForm : BaseForm {
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private readonly ResizeEffect _effect;
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private readonly string _valuePercent;
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private double _newWidth, _newHeight;
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public ResizeSettingsForm(ResizeEffect effect) {
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_effect = effect;
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InitializeComponent();
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var valuePixel = Language.GetString("editor_resize_pixel");
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_valuePercent = Language.GetString("editor_resize_percent");
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combobox_width.Items.Add(valuePixel);
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combobox_width.Items.Add(_valuePercent);
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combobox_width.SelectedItem = valuePixel;
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combobox_height.Items.Add(valuePixel);
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combobox_height.Items.Add(_valuePercent);
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combobox_height.SelectedItem = valuePixel;
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textbox_width.Text = effect.Width.ToString();
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textbox_height.Text = effect.Height.ToString();
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_newWidth = effect.Width;
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_newHeight = effect.Height;
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combobox_width.SelectedIndexChanged += combobox_SelectedIndexChanged;
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combobox_height.SelectedIndexChanged += combobox_SelectedIndexChanged;
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checkbox_aspectratio.Checked = effect.MaintainAspectRatio;
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}
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private void buttonOK_Click(object sender, EventArgs e) {
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if (_newWidth != _effect.Width || _newHeight != _effect.Height) {
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_effect.Width = (int)_newWidth;
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_effect.Height = (int)_newHeight;
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_effect.MaintainAspectRatio = checkbox_aspectratio.Checked;
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DialogResult = DialogResult.OK;
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}
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}
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private static bool Validate(object sender) {
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TextBox textbox = sender as TextBox;
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if (textbox != null) {
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double numberEntered;
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if (!double.TryParse(textbox.Text, out numberEntered)) {
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textbox.BackColor = Color.Red;
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return false;
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}
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textbox.BackColor = Color.White;
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}
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return true;
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}
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private void DisplayWidth() {
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double displayValue;
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if (_valuePercent.Equals(combobox_width.SelectedItem)) {
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displayValue = _newWidth / _effect.Width * 100d;
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} else {
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displayValue = _newWidth;
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}
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textbox_width.Text = ((int)displayValue).ToString();
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}
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private void DisplayHeight() {
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double displayValue;
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if (_valuePercent.Equals(combobox_height.SelectedItem)) {
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displayValue = _newHeight / _effect.Height * 100d;
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} else {
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displayValue = _newHeight;
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}
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textbox_height.Text = ((int)displayValue).ToString();
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}
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private void textbox_KeyUp(object sender, KeyEventArgs e) {
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if (!Validate(sender)) {
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return;
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}
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TextBox textbox = sender as TextBox;
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if (string.IsNullOrEmpty(textbox?.Text)) {
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return;
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}
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bool isWidth = textbox == textbox_width;
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if (!checkbox_aspectratio.Checked) {
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if (isWidth) {
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_newWidth = double.Parse(textbox_width.Text);
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} else {
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_newHeight = double.Parse(textbox_height.Text);
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}
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return;
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}
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var isPercent = _valuePercent.Equals(isWidth ? combobox_width.SelectedItem : combobox_height.SelectedItem);
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double percent;
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if (isWidth) {
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if (isPercent) {
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percent = double.Parse(textbox_width.Text);
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_newWidth = _effect.Width / 100d * percent;
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} else {
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_newWidth = double.Parse(textbox_width.Text);
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percent = double.Parse(textbox_width.Text) / _effect.Width * 100d;
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}
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if (checkbox_aspectratio.Checked) {
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_newHeight = _effect.Height / 100d * percent;
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DisplayHeight();
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}
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} else {
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if (isPercent) {
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percent = double.Parse(textbox_height.Text);
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_newHeight = _effect.Height / 100d * percent;
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} else {
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_newHeight = double.Parse(textbox_height.Text);
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percent = double.Parse(textbox_height.Text) / _effect.Height * 100d;
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}
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if (checkbox_aspectratio.Checked) {
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_newWidth = _effect.Width / 100d * percent;
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DisplayWidth();
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}
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}
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}
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private void textbox_Validating(object sender, System.ComponentModel.CancelEventArgs e) {
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Validate(sender);
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void combobox_SelectedIndexChanged(object sender, EventArgs e) {
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if (Validate(textbox_width)) {
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DisplayWidth();
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}
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if (Validate(textbox_height)) {
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DisplayHeight();
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}
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}
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}
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}
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