mirror of
https://github.com/greenshot/greenshot
synced 2025-07-15 01:23:47 -07:00
1c2462874d
git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@713 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
242 lines
8.5 KiB
C#
242 lines
8.5 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2010 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.Collections.Generic;
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using System.Diagnostics;
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using System.Drawing;
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using System.Threading;
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using System.Windows.Forms;
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using Greenshot.Configuration;
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using Greenshot.Core;
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namespace Greenshot {
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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 {
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private static ColorDialog uniqueInstance;
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private ColorDialog() {
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this.SuspendLayout();
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InitializeComponent();
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lang = Language.GetInstance();
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updateUI();
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this.SuspendLayout();
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this.createColorPalette(5,5,15,15);
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this.createLastUsedColorButtonRow(5,190,15,15);
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this.ResumeLayout();
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}
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public static ColorDialog GetInstance() {
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if(uniqueInstance == null) {
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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 ILanguage lang;
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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 List<Color> recentColors = new List<Color>();
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private ToolTip toolTip = new ToolTip();
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private bool updateInProgress = false;
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public Color[] RecentColors {
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get {return recentColors.ToArray();}
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set {for(int i=0; i<value.Length; i++) {recentColors.Add(value[i]);}updateRecentColorsButtonRow();}
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}
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public Color Color {
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get {return colorPanel.BackColor;}
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set {previewColor(value,this);}
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}
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private void updateUI() {
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this.Text = lang.GetString(LangKey.colorpicker_title);
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this.btnApply.Text = lang.GetString(LangKey.colorpicker_apply);
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this.btnTransparent.Text = lang.GetString(LangKey.colorpicker_transparent);
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this.labelHtmlColor.Text = lang.GetString(LangKey.colorpicker_htmlcolor);
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this.labelRed.Text = lang.GetString(LangKey.colorpicker_red);
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this.labelGreen.Text = lang.GetString(LangKey.colorpicker_green);
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this.labelBlue.Text = lang.GetString(LangKey.colorpicker_blue);
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this.labelAlpha.Text = lang.GetString(LangKey.colorpicker_alpha);
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this.labelRecentColors.Text = lang.GetString(LangKey.colorpicker_recentcolors);
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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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this.createColorButtonColumn(255,0,0, x, y, w, h, 11);
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x += w;
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this.createColorButtonColumn(255,255/2,0, x, y, w, h, 11);
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x += w;
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this.createColorButtonColumn(255,255,0, x, y, w, h, 11);
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x += w;
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this.createColorButtonColumn(255/2,255,0, x, y, w, h, 11);
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x += w;
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this.createColorButtonColumn(0,255,0, x, y, w, h, 11);
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x += w;
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this.createColorButtonColumn(0,255,255/2, x, y, w, h, 11);
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x += w;
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this.createColorButtonColumn(0,255,255, x, y, w, h, 11);
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x += w;
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this.createColorButtonColumn(0,255/2,255, x, y, w, h, 11);
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x += w;
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this.createColorButtonColumn(0,0,255, x, y, w, h, 11);
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x += w;
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this.createColorButtonColumn(255/2,0,255, x, y, w, h, 11);
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x += w;
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this.createColorButtonColumn(255,0,255, x, y, w, h, 11);
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x += w;
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this.createColorButtonColumn(255,0,255/2, x, y, w, h, 11);
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x += w + 5;
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this.createColorButtonColumn(255/2,255/2,255/2, x, y, w, h, 11);
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this.Controls.AddRange(this.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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int shadedColorsNum = (shades - 1) / 2;
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for(int i=0; i<=shadedColorsNum; i++) {
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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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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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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 += new System.EventHandler(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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for(int i=0; i<12; i++) {
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Button b = this.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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this.Controls.AddRange(this.recentColorButtons.ToArray());
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}
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#endregion
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#region update user interface
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private void updateRecentColorsButtonRow() {
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for(int i=0; i<recentColors.Count && i<12; i++) {
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recentColorButtons[i].BackColor = 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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updateInProgress = true;
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this.colorPanel.BackColor = c;
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if(trigger != this.textBoxHtmlColor) {
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this.textBoxHtmlColor.Text = System.Drawing.ColorTranslator.ToHtml(c);
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} else {
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if(!this.textBoxHtmlColor.Text.StartsWith("#")) {
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int selStart = this.textBoxHtmlColor.SelectionStart;
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int selLength = this.textBoxHtmlColor.SelectionLength;
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this.textBoxHtmlColor.Text = "#" +this.textBoxHtmlColor.Text;
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this.textBoxHtmlColor.Select(selStart+1, selLength+1);
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}
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}
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if(trigger != this.textBoxRed && trigger != this.textBoxGreen && trigger != this.textBoxBlue && trigger != this.textBoxAlpha) {
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this.textBoxRed.Text = c.R.ToString();
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this.textBoxGreen.Text = c.G.ToString();
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this.textBoxBlue.Text = c.B.ToString();
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this.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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recentColors.Remove(c);
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recentColors.Insert(0, c);
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if(recentColors.Count > 12) recentColors.RemoveRange(12,recentColors.Count-12);
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updateRecentColorsButtonRow();
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}
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#endregion
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#region textbox event handlers
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void TextBoxHexadecimalTextChanged(object sender, System.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, System.Globalization.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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void TextBoxRGBTextChanged(object sender, System.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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void TextBoxGotFocus(object sender, System.EventArgs e) {
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this.textBoxHtmlColor.SelectAll();
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}
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void TextBoxKeyDown(object sender, KeyEventArgs e) {
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if(e.KeyCode == Keys.Return || e.KeyCode == Keys.Enter) {
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addToRecentColors(colorPanel.BackColor);
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}
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}
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#endregion
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#region button event handlers
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void colorButtonClick(object sender, System.EventArgs e) {
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Button b = (Button) sender;
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previewColor(b.BackColor, b);
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}
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void btnTransparentClick(object sender, System.EventArgs e)
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{
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colorButtonClick(sender, e);
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}
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void BtnApplyClick(object sender, System.EventArgs e)
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{
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this.DialogResult = DialogResult.OK;
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this.Hide();
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addToRecentColors(colorPanel.BackColor);
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}
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#endregion
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#region helper functions
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private int getColorPartIntFromString(string s){
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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
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}
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}
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