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Merge commits from Greenshot up through bd71f47e95a46642fe6a83bdd76cc4d2a7eed7c2. Some bug fixes, but mostly structural cleanup.
289 lines
No EOL
10 KiB
C#
289 lines
No EOL
10 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2015 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 Greenshot.Configuration;
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using Greenshot.Controls;
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using Greenshot.IniFile;
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Globalization;
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using System.Threading;
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using System.Windows.Forms;
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namespace Greenshot
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{
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/// <summary>
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/// Description of ColorDialog.
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/// </summary>
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public partial class ColorDialog : BaseForm
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{
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private static ColorDialog uniqueInstance;
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private static readonly EditorConfiguration editorConfiguration = IniConfig.GetIniSection<EditorConfiguration>();
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private ColorDialog()
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{
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SuspendLayout();
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InitializeComponent();
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SuspendLayout();
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CreateColorPalette(5, 5, 15, 15);
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CreateLastUsedColorButtonRow(5, 190, 15, 15);
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ResumeLayout();
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UpdateRecentColorsButtonRow();
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}
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public static ColorDialog GetInstance()
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{
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if (uniqueInstance == null)
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{
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uniqueInstance = new ColorDialog();
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}
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return uniqueInstance;
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}
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private readonly List<Button> _colorButtons = new List<Button>();
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private readonly List<Button> _recentColorButtons = new List<Button>();
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private readonly ToolTip _toolTip = new ToolTip();
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private bool _updateInProgress;
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public Color Color
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{
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get { return colorPanel.BackColor; }
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set { PreviewColor(value, this); }
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}
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#region user interface generation
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private void CreateColorPalette(int x, int y, int w, int h)
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{
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CreateColorButtonColumn(255, 0, 0, x, y, w, h, 11);
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x += w;
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CreateColorButtonColumn(255, 255 / 2, 0, x, y, w, h, 11);
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x += w;
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CreateColorButtonColumn(255, 255, 0, x, y, w, h, 11);
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x += w;
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CreateColorButtonColumn(255 / 2, 255, 0, x, y, w, h, 11);
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x += w;
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CreateColorButtonColumn(0, 255, 0, x, y, w, h, 11);
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x += w;
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CreateColorButtonColumn(0, 255, 255 / 2, x, y, w, h, 11);
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x += w;
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CreateColorButtonColumn(0, 255, 255, x, y, w, h, 11);
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x += w;
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CreateColorButtonColumn(0, 255 / 2, 255, x, y, w, h, 11);
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x += w;
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CreateColorButtonColumn(0, 0, 255, x, y, w, h, 11);
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x += w;
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CreateColorButtonColumn(255 / 2, 0, 255, x, y, w, h, 11);
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x += w;
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CreateColorButtonColumn(255, 0, 255, x, y, w, h, 11);
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x += w;
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CreateColorButtonColumn(255, 0, 255 / 2, x, y, w, h, 11);
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x += w + 5;
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CreateColorButtonColumn(255 / 2, 255 / 2, 255 / 2, x, y, w, h, 11);
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Controls.AddRange(_colorButtons.ToArray());
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}
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private void CreateColorButtonColumn(int red, int green, int blue, int x, int y, int w, int h, int shades)
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{
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int shadedColorsNum = (shades - 1) / 2;
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for (int i = 0; i <= shadedColorsNum; i++)
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{
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_colorButtons.Add(CreateColorButton(red * i / shadedColorsNum, green * i / shadedColorsNum, blue * i / shadedColorsNum, x, y + i * h, w, h));
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if (i > 0) _colorButtons.Add(CreateColorButton(red + (255 - red) * i / shadedColorsNum, green + (255 - green) * i / shadedColorsNum, blue + (255 - blue) * i / shadedColorsNum, x, y + (i + shadedColorsNum) * h, w, h));
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}
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}
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private Button CreateColorButton(int red, int green, int blue, int x, int y, int w, int h)
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{
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return CreateColorButton(Color.FromArgb(255, red, green, blue), x, y, w, h);
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}
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private Button CreateColorButton(Color color, int x, int y, int w, int h)
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{
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Button b = new Button();
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b.BackColor = color;
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b.FlatAppearance.BorderSize = 0;
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b.FlatStyle = FlatStyle.Flat;
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b.Location = new Point(x, y);
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b.Size = new Size(w, h);
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b.TabStop = false;
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b.Click += ColorButtonClick;
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_toolTip.SetToolTip(b, ColorTranslator.ToHtml(color) + " | R:" + color.R + ", G:" + color.G + ", B:" + color.B);
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return b;
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}
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private void CreateLastUsedColorButtonRow(int x, int y, int w, int h)
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{
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for (int i = 0; i < 12; i++)
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{
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Button b = CreateColorButton(Color.Transparent, x, y, w, h);
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b.Enabled = false;
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_recentColorButtons.Add(b);
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x += w;
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}
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Controls.AddRange(_recentColorButtons.ToArray());
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}
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#endregion user interface generation
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#region update user interface
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private void UpdateRecentColorsButtonRow()
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{
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for (int i = 0; i < editorConfiguration.RecentColors.Count && i < 12; i++)
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{
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_recentColorButtons[i].BackColor = editorConfiguration.RecentColors[i];
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_recentColorButtons[i].Enabled = true;
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}
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}
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private void PreviewColor(Color colorToPreview, Control trigger)
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{
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_updateInProgress = true;
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colorPanel.BackColor = colorToPreview;
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if (trigger != textBoxHtmlColor)
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{
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textBoxHtmlColor.Text = ColorTranslator.ToHtml(colorToPreview);
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}
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if (trigger != textBoxRed && trigger != textBoxGreen && trigger != textBoxBlue && trigger != textBoxAlpha)
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{
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textBoxRed.Text = colorToPreview.R.ToString();
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textBoxGreen.Text = colorToPreview.G.ToString();
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textBoxBlue.Text = colorToPreview.B.ToString();
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textBoxAlpha.Text = colorToPreview.A.ToString();
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}
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_updateInProgress = false;
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}
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private void AddToRecentColors(Color c)
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{
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editorConfiguration.RecentColors.Remove(c);
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editorConfiguration.RecentColors.Insert(0, c);
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if (editorConfiguration.RecentColors.Count > 12)
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{
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editorConfiguration.RecentColors.RemoveRange(12, editorConfiguration.RecentColors.Count - 12);
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}
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UpdateRecentColorsButtonRow();
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}
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#endregion update user interface
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#region textbox event handlers
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private void TextBoxHexadecimalTextChanged(object sender, EventArgs e)
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{
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if (_updateInProgress)
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{
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return;
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}
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TextBox textBox = (TextBox)sender;
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string text = textBox.Text.Replace("#", "");
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int i = 0;
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Color c;
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if (Int32.TryParse(text, NumberStyles.AllowHexSpecifier, Thread.CurrentThread.CurrentCulture, out i))
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{
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c = Color.FromArgb(i);
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}
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else
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{
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KnownColor knownColor;
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try
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{
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knownColor = (KnownColor)Enum.Parse(typeof(KnownColor), text, true);
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c = Color.FromKnownColor(knownColor);
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}
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catch (Exception)
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{
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return;
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}
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}
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Color opaqueColor = Color.FromArgb(255, c.R, c.G, c.B);
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PreviewColor(opaqueColor, textBox);
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}
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private void TextBoxRGBTextChanged(object sender, EventArgs e)
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{
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if (_updateInProgress)
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{
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return;
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}
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TextBox textBox = (TextBox)sender;
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PreviewColor(Color.FromArgb(GetColorPartIntFromString(textBoxAlpha.Text), GetColorPartIntFromString(textBoxRed.Text), GetColorPartIntFromString(textBoxGreen.Text), GetColorPartIntFromString(textBoxBlue.Text)), textBox);
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}
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private void TextBoxGotFocus(object sender, EventArgs e)
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{
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textBoxHtmlColor.SelectAll();
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}
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private void TextBoxKeyDown(object sender, KeyEventArgs e)
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{
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if (e.KeyCode == Keys.Return || e.KeyCode == Keys.Enter)
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{
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AddToRecentColors(colorPanel.BackColor);
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}
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}
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#endregion textbox event handlers
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#region button event handlers
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private void ColorButtonClick(object sender, EventArgs e)
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{
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Button b = (Button)sender;
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PreviewColor(b.BackColor, b);
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}
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private void BtnTransparentClick(object sender, EventArgs e)
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{
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ColorButtonClick(sender, e);
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}
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private void BtnApplyClick(object sender, EventArgs e)
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{
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DialogResult = DialogResult.OK;
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Hide();
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AddToRecentColors(colorPanel.BackColor);
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}
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#endregion button event handlers
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#region helper functions
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private int GetColorPartIntFromString(string s)
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{
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int ret = 0;
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Int32.TryParse(s, out ret);
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if (ret < 0) ret = 0;
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else if (ret > 255) ret = 255;
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return ret;
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}
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#endregion helper functions
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private void PipetteUsed(object sender, PipetteUsedArgs e)
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{
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Color = e.color;
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}
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}
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} |