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208 lines
6.9 KiB
C#
208 lines
6.9 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2013 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 Sourceforge: http://sourceforge.net/projects/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 Greenshot.Core;
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using GreenshotPlugin.Core;
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namespace Greenshot.Forms
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{
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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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{
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private ResizeEffect effect;
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private string value_pixel;
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private string value_percent;
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private double newWidth, newHeight;
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public ResizeSettingsForm(ResizeEffect effect)
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{
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this.effect = effect;
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InitializeComponent();
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this.Icon = GreenshotResources.getGreenshotIcon();
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value_pixel = Language.GetString("editor_resize_pixel");
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value_percent = Language.GetString("editor_resize_percent");
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combobox_width.Items.Add(value_pixel);
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combobox_width.Items.Add(value_percent);
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combobox_width.SelectedItem = value_pixel;
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combobox_height.Items.Add(value_pixel);
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combobox_height.Items.Add(value_percent);
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combobox_height.SelectedItem = value_pixel;
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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 += new System.EventHandler(this.combobox_SelectedIndexChanged);
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combobox_height.SelectedIndexChanged += new System.EventHandler(this.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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{
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if (newWidth != effect.Width || newHeight != effect.Height)
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{
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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 bool validate(object sender)
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{
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TextBox textbox = sender as TextBox;
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if (textbox != null)
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{
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double numberEntered;
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if (!double.TryParse(textbox.Text, out numberEntered))
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{
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textbox.BackColor = Color.Red;
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return false;
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}
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else
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{
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textbox.BackColor = Color.White;
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}
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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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{
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double displayValue;
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if (value_percent.Equals(combobox_width.SelectedItem))
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{
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displayValue = ((double)newWidth / (double)effect.Width) * 100d;
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}
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else
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{
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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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{
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double displayValue;
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if (value_percent.Equals(combobox_height.SelectedItem))
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{
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displayValue = ((double)newHeight / (double)effect.Height) * 100d;
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}
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else
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{
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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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{
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if (!validate(sender))
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{
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return;
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}
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if (!checkbox_aspectratio.Checked)
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{
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return;
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}
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TextBox textbox = sender as TextBox;
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if (textbox.Text.Length == 0)
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{
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return;
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}
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bool isWidth = textbox == textbox_width;
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bool isPercent = false;
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if (isWidth)
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{
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isPercent = value_percent.Equals(combobox_width.SelectedItem);
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}
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else
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{
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isPercent = value_percent.Equals(combobox_height.SelectedItem);
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}
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double percent;
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if (isWidth)
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{
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if (isPercent)
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{
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percent = double.Parse(textbox_width.Text);
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newWidth = ((double)effect.Width / 100d) * percent;
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}
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else
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{
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newWidth = double.Parse(textbox_width.Text);
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percent = ((double)double.Parse(textbox_width.Text) / (double)effect.Width) * 100d;
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}
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if (checkbox_aspectratio.Checked)
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{
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newHeight = ((double)effect.Height / 100d) * percent;
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displayHeight();
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}
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}
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else
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{
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if (isPercent)
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{
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percent = double.Parse(textbox_height.Text);
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newHeight = ((double)effect.Height / 100d) * percent;
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}
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else
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{
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newHeight = double.Parse(textbox_height.Text);
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percent = ((double)double.Parse(textbox_height.Text) / (double)effect.Height) * 100d;
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}
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if (checkbox_aspectratio.Checked)
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{
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newWidth = ((double)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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{
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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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{
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if (validate(textbox_width))
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{
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displayWidth();
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}
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if (validate(textbox_height))
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{
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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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