mirror of
https://github.com/ShareX/ShareX.git
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291 lines
No EOL
9.1 KiB
C#
291 lines
No EOL
9.1 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (c) 2007-2020 ShareX Team
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using System;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Windows.Forms;
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namespace ShareX.HelpersLib
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{
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public partial class GradientPickerForm : Form
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{
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public GradientInfo Gradient { get; set; }
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private bool isReady;
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public GradientPickerForm(GradientInfo gradient)
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{
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Gradient = gradient;
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InitializeComponent();
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ShareXResources.ApplyTheme(this);
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cbGradientType.Items.AddRange(Helpers.GetEnumNamesProper<LinearGradientMode>());
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cbGradientType.SelectedIndex = (int)Gradient.Type;
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UpdateGradientList(true);
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AddPresets();
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}
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private void AddPresets()
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{
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GradientInfo[] gradients = new GradientInfo[]
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{
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new GradientInfo(new GradientStop(Color.FromArgb(184, 11, 195), 0f), new GradientStop(Color.FromArgb(98, 54, 255), 100f)),
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new GradientInfo(new GradientStop(Color.FromArgb(255, 3, 135), 0f), new GradientStop(Color.FromArgb(255, 143, 3), 100f)),
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new GradientInfo(new GradientStop(Color.FromArgb(0, 187, 138), 0f), new GradientStop(Color.FromArgb(0, 105, 163), 100f))
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};
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lvPresets.Items.Clear();
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ilPresets.Images.Clear();
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for (int i = 0; i < gradients.Length; i++)
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{
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GradientInfo gradient = gradients[i];
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gradient.Type = Gradient.Type;
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ilPresets.Images.Add(gradient.CreateGradientPreview(100, 25));
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ListViewItem lvi = new ListViewItem();
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lvi.ImageIndex = i;
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lvi.Tag = gradient;
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lvPresets.Items.Add(lvi);
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}
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}
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private void UpdateGradientList(bool selectFirst = false)
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{
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isReady = false;
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Gradient.Sort();
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lvGradientPoints.Items.Clear();
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foreach (GradientStop gradientStop in Gradient.Colors)
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{
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AddGradientStop(gradientStop);
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}
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if (selectFirst && lvGradientPoints.Items.Count > 0)
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{
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lvGradientPoints.SelectedIndex = 0;
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}
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isReady = true;
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UpdatePreview();
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}
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private void UpdatePreview()
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{
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if (isReady)
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{
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Bitmap bmp = new Bitmap(pbPreview.ClientRectangle.Width, pbPreview.ClientRectangle.Height);
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using (Graphics g = Graphics.FromImage(bmp))
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{
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Gradient.Draw(g, new Rectangle(0, 0, bmp.Width, bmp.Height));
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}
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if (pbPreview.Image != null)
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{
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pbPreview.Image.Dispose();
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}
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pbPreview.Image = bmp;
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}
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}
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private void AddGradientStop(GradientStop gradientStop)
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{
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ListViewItem lvi = new ListViewItem();
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lvi.Text = string.Format(" {0:0.##}%", gradientStop.Location);
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UpdateListViewItemColor(lvi, gradientStop.Color);
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lvi.Tag = gradientStop;
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lvGradientPoints.Items.Add(lvi);
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}
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private void UpdateListViewItemColor(ListViewItem lvi, Color color)
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{
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string argb = color.ToArgb().ToString();
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if (!ilColors.Images.ContainsKey(argb))
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{
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ilColors.Images.Add(argb, ImageHelpers.CreateColorPickerIcon(color, new Rectangle(0, 0, 16, 16)));
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}
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lvi.ImageKey = argb;
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}
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private GradientStop GetSelectedGradientStop()
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{
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return GetSelectedGradientStop(out _);
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}
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private GradientStop GetSelectedGradientStop(out ListViewItem lvi)
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{
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if (lvGradientPoints.SelectedItems.Count > 0)
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{
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lvi = lvGradientPoints.SelectedItems[0];
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return lvi.Tag as GradientStop;
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}
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lvi = null;
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return null;
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}
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private ListViewItem FindListViewItem(GradientStop gradientStop)
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{
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foreach (ListViewItem lvi in lvGradientPoints.Items)
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{
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GradientStop itemGradientstop = lvi.Tag as GradientStop;
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if (itemGradientstop == gradientStop)
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{
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return lvi;
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}
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}
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return null;
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}
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private ListViewItem SelectGradientStop(GradientStop gradientStop)
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{
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ListViewItem lvi = FindListViewItem(gradientStop);
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if (lvi != null)
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{
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lvi.Selected = true;
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}
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return lvi;
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}
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private void cbGradientType_SelectedIndexChanged(object sender, EventArgs e)
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{
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Gradient.Type = (LinearGradientMode)cbGradientType.SelectedIndex;
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UpdatePreview();
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AddPresets();
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}
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private void btnAdd_Click(object sender, EventArgs e)
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{
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Color color = cbtnCurrentColor.Color;
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float offset = (float)nudLocation.Value;
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GradientStop gradientStop = new GradientStop(color, offset);
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Gradient.Colors.Add(gradientStop);
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UpdateGradientList();
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SelectGradientStop(gradientStop);
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}
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private void btnRemove_Click(object sender, EventArgs e)
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{
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GradientStop gradientStop = GetSelectedGradientStop();
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if (gradientStop != null)
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{
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Gradient.Colors.Remove(gradientStop);
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UpdateGradientList();
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}
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}
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private void btnReverse_Click(object sender, EventArgs e)
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{
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if (Gradient.IsValid)
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{
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Gradient.Reverse();
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UpdateGradientList();
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}
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}
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private void cbtnCurrentColor_ColorChanged(Color color)
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{
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GradientStop gradientStop = GetSelectedGradientStop(out ListViewItem lvi);
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if (gradientStop != null)
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{
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gradientStop.Color = color;
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UpdateListViewItemColor(lvi, gradientStop.Color);
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UpdatePreview();
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}
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}
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private void nudLocation_ValueChanged(object sender, EventArgs e)
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{
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if (isReady)
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{
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GradientStop gradientStop = GetSelectedGradientStop();
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if (gradientStop != null)
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{
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gradientStop.Location = (float)nudLocation.Value;
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UpdateGradientList();
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SelectGradientStop(gradientStop);
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}
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}
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}
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private void lvGradientPoints_SelectedIndexChanged(object sender, EventArgs e)
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{
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GradientStop gradientStop = GetSelectedGradientStop();
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if (gradientStop != null)
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{
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isReady = false;
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cbtnCurrentColor.Color = gradientStop.Color;
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nudLocation.SetValue((decimal)gradientStop.Location);
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isReady = true;
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}
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}
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private void lvGradientPoints_MouseDoubleClick(object sender, MouseEventArgs e)
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{
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if (e.Button == MouseButtons.Left && lvGradientPoints.SelectedItems.Count > 0)
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{
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cbtnCurrentColor.ShowColorDialog();
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}
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}
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private void lvPresets_SelectedIndexChanged(object sender, EventArgs e)
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{
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if (isReady && lvPresets.SelectedItems.Count > 0)
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{
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ListViewItem lvi = lvPresets.SelectedItems[0];
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GradientInfo gradientInfo = lvi.Tag as GradientInfo;
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if (gradientInfo != null)
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{
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Gradient = gradientInfo.Copy();
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UpdateGradientList(true);
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lvi.Selected = false;
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}
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}
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}
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private void btnOK_Click(object sender, EventArgs e)
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{
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DialogResult = DialogResult.OK;
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Close();
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}
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private void btnCancel_Click(object sender, EventArgs e)
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{
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DialogResult = DialogResult.Cancel;
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Close();
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}
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}
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} |