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https://github.com/ShareX/ShareX.git
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218 lines
No EOL
7.4 KiB
C#
218 lines
No EOL
7.4 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) 2008-2013 ShareX Developers
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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 HelpersLib;
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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.Drawing.Drawing2D;
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using System.Linq;
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using System.Windows.Forms;
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namespace ImageEffectsLib
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{
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public partial class GradientMaker : Form
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{
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public GradientData GradientData { get; private set; }
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private bool isEditable;
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private bool isEditing;
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private string lastData;
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public GradientMaker()
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{
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InitializeComponent();
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cboGradientDirection.Items.AddRange(Enum.GetNames(typeof(LinearGradientMode)));
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cboGradientDirection.SelectedIndex = 0;
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}
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public GradientMaker(GradientData gradientData)
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: this()
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{
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GradientData = gradientData;
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if (GradientData != null)
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{
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rtbCodes.Text = GradientData.Data;
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cboGradientDirection.SelectedIndex = (int)GradientData.Type;
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UpdatePreview();
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}
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}
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private void UpdatePreview()
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{
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GradientData = GetNewBrushData();
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if (GradientData != null && !string.IsNullOrEmpty(GradientData.Data))
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{
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try
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{
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using (LinearGradientBrush brush = CreateGradientBrush(pbPreview.ClientSize, GradientData))
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{
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Bitmap bmp = new Bitmap(pbPreview.ClientSize.Width, pbPreview.ClientSize.Height);
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using (Graphics g = Graphics.FromImage(bmp))
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{
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g.FillRectangle(brush, 0, 0, pbPreview.ClientSize.Width, pbPreview.ClientSize.Height);
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}
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pbPreview.Image = bmp;
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}
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}
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catch (Exception e)
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{
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Debug.WriteLine(e.ToString());
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}
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}
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}
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private static GradientStop[] ParseGradientData(string gradientData)
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{
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List<GradientStop> gradient = new List<GradientStop>();
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string[] lines = gradientData.Split('\n').Select(x => x.Trim()).ToArray();
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foreach (string line in lines)
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{
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if (line.Contains('\t'))
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{
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gradient.Add(ParseLine(line));
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}
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}
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return gradient.ToArray();
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}
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private static GradientStop ParseLine(string line)
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{
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return new GradientStop(line.Substring(0, line.IndexOf('\t')), line.Remove(0, line.IndexOf('\t') + 1));
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}
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public static LinearGradientBrush CreateGradientBrush(Size size, GradientData gradientData)
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{
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IEnumerable<GradientStop> gradient = ParseGradientData(gradientData.Data);
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gradient = gradient.OrderBy(x => x.Offset);
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LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, size.Width, size.Height), Color.Black, Color.Black, gradientData.Type);
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ColorBlend blend = new ColorBlend();
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blend.Colors = gradient.Select(x => x.Color).ToArray();
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blend.Positions = gradient.Select(x => x.Offset).ToArray();
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brush.InterpolationColors = blend;
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return brush;
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}
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private GradientData GetNewBrushData()
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{
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return new GradientData(rtbCodes.Text, (LinearGradientMode)cboGradientDirection.SelectedIndex);
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}
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#region Form events
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private void rtbCodes_SelectionChanged(object sender, EventArgs e)
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{
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if (!isEditing)
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{
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isEditable = false;
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int firstcharindex = rtbCodes.GetFirstCharIndexOfCurrentLine();
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int currentline = rtbCodes.GetLineFromCharIndex(firstcharindex);
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if (rtbCodes.Lines.Length > currentline)
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{
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string line = rtbCodes.Lines[currentline];
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if (line.Contains('\t'))
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{
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txtColor.Text = line.Substring(0, line.IndexOf('\t'));
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txtOffset.Text = line.Remove(0, line.IndexOf('\t') + 1);
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isEditable = true;
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if (rtbCodes.Text != lastData)
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{
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UpdatePreview();
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lastData = rtbCodes.Text;
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}
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}
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}
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}
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}
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private void rtbCodes_TextChanged(object sender, EventArgs e)
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{
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UpdatePreview();
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}
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private void btnBrowseColor_Click(object sender, EventArgs e)
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{
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using (DialogColor colorPicker = new DialogColor())
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{
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if (!string.IsNullOrEmpty(txtColor.Text))
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{
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colorPicker.SetCurrentColor(ColorHelpers.ParseColor(txtColor.Text));
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}
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if (colorPicker.ShowDialog() == DialogResult.OK)
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{
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Color color = colorPicker.NewColor;
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txtColor.Text = string.Format("{0},{1},{2},{3}", color.A, color.R, color.G, color.B);
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}
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}
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}
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private void btnAddColor_Click(object sender, EventArgs e)
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{
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isEditing = true;
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if (isEditable)
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{
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int firstcharindex = rtbCodes.GetFirstCharIndexOfCurrentLine();
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int currentline = rtbCodes.GetLineFromCharIndex(firstcharindex);
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if (rtbCodes.Lines.Length > currentline)
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{
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rtbCodes.SelectionStart = firstcharindex;
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rtbCodes.SelectionLength = rtbCodes.Lines[currentline].Length;
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}
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}
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rtbCodes.SelectedText = string.Format("{0}\t{1}", txtColor.Text, txtOffset.Text);
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isEditing = false;
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}
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private void cboGradientDirection_SelectedIndexChanged(object sender, EventArgs e)
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{
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UpdatePreview();
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}
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private void btnOK_Click(object sender, EventArgs e)
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{
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GradientData = GetNewBrushData();
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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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#endregion Form events
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}
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} |