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182 lines
No EOL
6.9 KiB
C#
182 lines
No EOL
6.9 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) 2007-2014 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 System.Drawing;
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using System.Drawing.Drawing2D;
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namespace HelpersLib
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{
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public class ColorBox : ColorUserControl
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{
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public ColorBox()
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{
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Initialize();
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}
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protected override void Initialize()
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{
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Name = "ColorBox";
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ClientSize = new Size(256, 256);
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base.Initialize();
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}
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protected override void DrawCrosshair(Graphics g)
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{
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DrawCrosshair(g, Pens.Black, 6);
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DrawCrosshair(g, Pens.White, 5);
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}
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private void DrawCrosshair(Graphics g, Pen pen, int size)
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{
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g.DrawEllipse(pen, new Rectangle(new Point(lastPos.X - size, lastPos.Y - size), new Size(size * 2, size * 2)));
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}
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// X = Saturation 0 -> 100
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// Y = Brightness 100 -> 0
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protected override void DrawHue()
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{
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using (Graphics g = Graphics.FromImage(bmp))
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{
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HSB start = new HSB(SelectedColor.HSB.Hue, 0.0, 0.0, SelectedColor.RGBA.Alpha);
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HSB end = new HSB(SelectedColor.HSB.Hue, 1.0, 0.0, SelectedColor.RGBA.Alpha);
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for (int y = 0; y < ClientHeight; y++)
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{
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start.Brightness = end.Brightness = 1.0 - (double)y / (ClientHeight - 1);
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using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, ClientWidth, 1), start, end, LinearGradientMode.Horizontal))
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{
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g.FillRectangle(brush, new Rectangle(0, y, ClientWidth, 1));
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}
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}
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}
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}
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// X = Hue 0 -> 360
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// Y = Brightness 100 -> 0
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protected override void DrawSaturation()
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{
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using (Graphics g = Graphics.FromImage(bmp))
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{
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HSB start = new HSB(0.0, SelectedColor.HSB.Saturation, 1.0, SelectedColor.RGBA.Alpha);
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HSB end = new HSB(0.0, SelectedColor.HSB.Saturation, 0.0, SelectedColor.RGBA.Alpha);
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for (int x = 0; x < ClientWidth; x++)
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{
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start.Hue = end.Hue = (double)x / (ClientHeight - 1);
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using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, 1, ClientHeight), start, end, LinearGradientMode.Vertical))
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{
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g.FillRectangle(brush, new Rectangle(x, 0, 1, ClientHeight));
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}
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}
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}
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}
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// X = Hue 0 -> 360
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// Y = Saturation 100 -> 0
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protected override void DrawBrightness()
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{
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using (Graphics g = Graphics.FromImage(bmp))
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{
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HSB start = new HSB(0.0, 1.0, SelectedColor.HSB.Brightness, SelectedColor.RGBA.Alpha);
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HSB end = new HSB(0.0, 0.0, SelectedColor.HSB.Brightness, SelectedColor.RGBA.Alpha);
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for (int x = 0; x < ClientWidth; x++)
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{
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start.Hue = end.Hue = (double)x / (ClientHeight - 1);
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using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, 1, ClientHeight), start, end, LinearGradientMode.Vertical))
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{
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g.FillRectangle(brush, new Rectangle(x, 0, 1, ClientHeight));
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}
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}
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}
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}
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// X = Blue 0 -> 255
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// Y = Green 255 -> 0
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protected override void DrawRed()
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{
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using (Graphics g = Graphics.FromImage(bmp))
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{
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RGBA start = new RGBA(SelectedColor.RGBA.Red, 0, 0, SelectedColor.RGBA.Alpha);
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RGBA end = new RGBA(SelectedColor.RGBA.Red, 0, 255, SelectedColor.RGBA.Alpha);
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for (int y = 0; y < ClientHeight; y++)
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{
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start.Green = end.Green = Round(255 - (255 * (double)y / (ClientHeight - 1)));
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using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, ClientWidth, 1), start, end, LinearGradientMode.Horizontal))
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{
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g.FillRectangle(brush, new Rectangle(0, y, ClientWidth, 1));
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}
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}
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}
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}
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// X = Blue 0 -> 255
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// Y = Red 255 -> 0
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protected override void DrawGreen()
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{
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using (Graphics g = Graphics.FromImage(bmp))
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{
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RGBA start = new RGBA(0, SelectedColor.RGBA.Green, 0, SelectedColor.RGBA.Alpha);
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RGBA end = new RGBA(0, SelectedColor.RGBA.Green, 255, SelectedColor.RGBA.Alpha);
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for (int y = 0; y < ClientHeight; y++)
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{
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start.Red = end.Red = Round(255 - (255 * (double)y / (ClientHeight - 1)));
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using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, ClientWidth, 1), start, end, LinearGradientMode.Horizontal))
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{
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g.FillRectangle(brush, new Rectangle(0, y, ClientWidth, 1));
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}
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}
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}
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}
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// X = Red 0 -> 255
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// Y = Green 255 -> 0
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protected override void DrawBlue()
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{
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using (Graphics g = Graphics.FromImage(bmp))
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{
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RGBA start = new RGBA(0, 0, SelectedColor.RGBA.Blue, SelectedColor.RGBA.Alpha);
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RGBA end = new RGBA(255, 0, SelectedColor.RGBA.Blue, SelectedColor.RGBA.Alpha);
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for (int y = 0; y < ClientHeight; y++)
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{
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start.Green = end.Green = Round(255 - (255 * (double)y / (ClientHeight - 1)));
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using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, ClientWidth, 1), start, end, LinearGradientMode.Horizontal))
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{
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g.FillRectangle(brush, new Rectangle(0, y, ClientWidth, 1));
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}
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}
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}
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}
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}
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} |