2013-11-03 23:53:49 +13:00
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/*
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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 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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2014-03-29 01:55:41 +13:00
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using System.Globalization;
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2013-11-03 23:53:49 +13:00
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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 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 List<Button> colorButtons = new List<Button>();
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private List<Button> recentColorButtons = new List<Button>();
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private ToolTip toolTip = new ToolTip();
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private bool updateInProgress = false;
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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 c, Control trigger)
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{
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updateInProgress = true;
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colorPanel.BackColor = c;
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if (trigger != textBoxHtmlColor)
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{
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textBoxHtmlColor.Text = ColorTranslator.ToHtml(c);
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}
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else
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{
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if (!textBoxHtmlColor.Text.StartsWith("#"))
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{
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int selStart = textBoxHtmlColor.SelectionStart;
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int selLength = textBoxHtmlColor.SelectionLength;
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textBoxHtmlColor.Text = "#" + textBoxHtmlColor.Text;
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textBoxHtmlColor.Select(selStart + 1, selLength + 1);
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}
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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 = c.R.ToString();
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textBoxGreen.Text = c.G.ToString();
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textBoxBlue.Text = c.B.ToString();
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textBoxAlpha.Text = c.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) editorConfiguration.RecentColors.RemoveRange(12, editorConfiguration.RecentColors.Count - 12);
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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) return;
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TextBox tb = (TextBox)sender;
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string t = tb.Text.Replace("#", "");
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int i = 0;
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Int32.TryParse(t, NumberStyles.AllowHexSpecifier, Thread.CurrentThread.CurrentCulture, out i);
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Color c = Color.FromArgb(i);
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Color opaqueColor = Color.FromArgb(255, c.R, c.G, c.B);
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previewColor(opaqueColor, tb);
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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) return;
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TextBox tb = (TextBox)sender;
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previewColor(Color.FromArgb(getColorPartIntFromString(textBoxAlpha.Text), getColorPartIntFromString(textBoxRed.Text), getColorPartIntFromString(textBoxGreen.Text), getColorPartIntFromString(textBoxBlue.Text)), tb);
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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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}
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