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https://github.com/ShareX/ShareX.git
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119 lines
No EOL
4.4 KiB
C#
119 lines
No EOL
4.4 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) 2007-2015 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.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 static class GraphicsExtensions
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{
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public static void DrawRectangleProper(this Graphics g, Pen pen, Rectangle rect)
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{
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if (pen.Width == 1)
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{
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rect = rect.SizeOffset(-1);
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}
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if (rect.Width > 0 && rect.Height > 0)
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{
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g.DrawRectangle(pen, rect);
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}
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}
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public static void DrawRectangleProper(this Graphics g, Pen pen, int x, int y, int width, int height)
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{
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DrawRectangleProper(g, pen, new Rectangle(x, y, width, height));
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}
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public static void DrawRectangleShadow(this Graphics g, Rectangle rect, Color shadowColor, int shadowDepth, int shadowMaxAlpha, int shadowMinAlpha, Padding shadowDirection)
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{
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for (int i = 0; i < shadowDepth; i++)
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{
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int currentAlpha = (int)MathHelpers.Lerp(shadowMaxAlpha, shadowMinAlpha, (float)i / (shadowDepth - 1));
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using (Pen pen = new Pen(Color.FromArgb(currentAlpha, shadowColor)))
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{
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Rectangle shadowRect = new Rectangle(rect.X + -shadowDirection.Left * i, rect.Y + -shadowDirection.Top * i,
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rect.Width + (shadowDirection.Left + shadowDirection.Right) * i, rect.Height + (shadowDirection.Top + shadowDirection.Bottom) * i);
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g.DrawRectangleProper(pen, shadowRect);
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}
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}
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}
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public static void DrawRoundedRectangle(this Graphics g, Brush brush, Pen pen, Rectangle rect, float radius)
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{
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using (GraphicsPath gp = new GraphicsPath())
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{
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gp.AddRoundedRectangle(rect, radius);
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if (brush != null) g.FillPath(brush, gp);
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if (pen != null) g.DrawPath(pen, gp);
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}
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}
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public static void DrawRoundedRectangle(this Graphics g, Brush brush, Pen pen, int x, int y, int width, int height, float radius)
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{
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DrawRoundedRectangle(g, brush, pen, new Rectangle(x, y, width, height), radius);
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}
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public static void DrawDiamond(this Graphics g, Pen pen, Rectangle rect)
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{
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using (GraphicsPath gp = new GraphicsPath())
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{
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gp.AddDiamond(rect);
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g.DrawPath(pen, gp);
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}
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}
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public static void DrawCrossRectangle(this Graphics g, Pen pen, Rectangle rect, int crossSize)
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{
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rect = rect.SizeOffset(-1);
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if (rect.Width > 0 && rect.Height > 0)
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{
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// Top
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g.DrawLine(pen, rect.X - crossSize, rect.Y, rect.Right + crossSize, rect.Y);
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// Right
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g.DrawLine(pen, rect.Right, rect.Y - crossSize, rect.Right, rect.Bottom + crossSize);
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// Bottom
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g.DrawLine(pen, rect.X - crossSize, rect.Bottom, rect.Right + crossSize, rect.Bottom);
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// Left
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g.DrawLine(pen, rect.X, rect.Y - crossSize, rect.X, rect.Bottom + crossSize);
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}
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}
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public static void SetHighQuality(this Graphics g)
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{
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g.CompositingQuality = CompositingQuality.HighQuality;
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g.InterpolationMode = InterpolationMode.HighQualityBicubic;
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g.SmoothingMode = SmoothingMode.HighQuality;
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}
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}
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} |