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255 lines
9.6 KiB
C#
255 lines
9.6 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) 2007-2024 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, RectangleF 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.X, rect.Y, rect.Width, rect.Height);
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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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if (currentAlpha > 0)
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{
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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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}
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public static void DrawRoundedRectangle(this Graphics g, Pen pen, RectangleF rect, float radius)
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{
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g.DrawRoundedRectangle(null, pen, rect, radius);
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}
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public static void DrawRoundedRectangle(this Graphics g, Brush brush, RectangleF rect, float radius)
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{
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g.DrawRoundedRectangle(brush, null, rect, radius);
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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 DrawRoundedRectangle(this Graphics g, Brush brush, Pen pen, RectangleF 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.AddRoundedRectangleProper(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 FillRoundedRectangle(this Graphics g, Brush brush, int x, int y, int width, int height, float radius)
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{
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FillRoundedRectangle(g, brush, new Rectangle(x, y, width, height), radius);
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}
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public static void FillRoundedRectangle(this Graphics g, Brush brush, RectangleF rect, float radius)
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{
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if (rect.Width > 0 && rect.Height > 0)
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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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g.FillPath(brush, gp);
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}
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}
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}
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public static void DrawCapsule(this Graphics g, Brush brush, RectangleF rect)
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{
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using (GraphicsPath gp = new GraphicsPath())
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{
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gp.AddCapsule(rect);
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g.FillPath(brush, gp);
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}
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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 DrawCross(this Graphics g, Pen pen, PointF center, int crossSize)
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{
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if (crossSize > 0)
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{
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// Horizontal
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g.DrawLine(pen, center.X - crossSize, center.Y, center.X + crossSize, center.Y);
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// Vertical
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g.DrawLine(pen, center.X, center.Y - crossSize, center.X, center.Y + crossSize);
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}
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}
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public static void DrawCrossRectangle(this Graphics g, Pen pen, RectangleF 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 DrawCornerLines(this Graphics g, RectangleF rect, Pen pen, int lineSize)
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{
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if (rect.Width <= lineSize * 2)
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{
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g.DrawLine(pen, rect.X, rect.Y, rect.Right - 1, rect.Y);
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g.DrawLine(pen, rect.X, rect.Bottom - 1, rect.Right - 1, rect.Bottom - 1);
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}
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else
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{
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// Top left
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g.DrawLine(pen, rect.X, rect.Y, rect.X + lineSize, rect.Y);
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// Top right
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g.DrawLine(pen, rect.Right - 1, rect.Y, rect.Right - 1 - lineSize, rect.Y);
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// Bottom left
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g.DrawLine(pen, rect.X, rect.Bottom - 1, rect.X + lineSize, rect.Bottom - 1);
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// Bottom right
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g.DrawLine(pen, rect.Right - 1, rect.Bottom - 1, rect.Right - 1 - lineSize, rect.Bottom - 1);
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}
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if (rect.Height <= lineSize * 2)
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{
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g.DrawLine(pen, rect.X, rect.Y, rect.X, rect.Bottom - 1);
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g.DrawLine(pen, rect.Right - 1, rect.Y, rect.Right - 1, rect.Bottom - 1);
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}
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else
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{
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// Top left
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g.DrawLine(pen, rect.X, rect.Y, rect.X, rect.Y + lineSize);
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// Top right
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g.DrawLine(pen, rect.Right - 1, rect.Y, rect.Right - 1, rect.Y + lineSize);
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// Bottom left
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g.DrawLine(pen, rect.X, rect.Bottom - 1, rect.X, rect.Bottom - 1 - lineSize);
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// Bottom right
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g.DrawLine(pen, rect.Right - 1, rect.Bottom - 1, rect.Right - 1, rect.Bottom - 1 - lineSize);
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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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public static void DrawTextWithOutline(this Graphics g, string text, PointF position, Font font, Color textColor, Color borderColor, int borderSize = 2)
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{
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SmoothingMode tempMode = g.SmoothingMode;
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g.SmoothingMode = SmoothingMode.HighQuality;
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using (GraphicsPath gp = new GraphicsPath())
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{
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using (StringFormat sf = new StringFormat())
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{
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float emSize = g.DpiY * font.SizeInPoints / 72;
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gp.AddString(text, font.FontFamily, (int)font.Style, emSize, position, sf);
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}
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if (borderSize > 0)
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{
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using (Pen borderPen = new Pen(borderColor, borderSize) { LineJoin = LineJoin.Round })
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{
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g.DrawPath(borderPen, gp);
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}
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}
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using (Brush textBrush = new SolidBrush(textColor))
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{
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g.FillPath(textBrush, gp);
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}
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}
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g.SmoothingMode = tempMode;
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}
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public static void DrawTextWithShadow(this Graphics g, string text, PointF position, Font font, Brush textBrush, Brush shadowBrush)
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{
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DrawTextWithShadow(g, text, position, font, textBrush, shadowBrush, new Point(1, 1));
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}
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public static void DrawTextWithShadow(this Graphics g, string text, PointF position, Font font, Brush textBrush, Brush shadowBrush, Point shadowOffset)
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{
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g.DrawString(text, font, shadowBrush, position.X + shadowOffset.X, position.Y + shadowOffset.Y);
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g.DrawString(text, font, textBrush, position.X, position.Y);
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}
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}
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} |