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124 lines
4.3 KiB
C#
124 lines
4.3 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) 2007-2018 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 ShareX.HelpersLib;
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Design;
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using System.IO;
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namespace ShareX.ImageEffectsLib
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{
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[Description("Image watermark")]
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public class DrawImage : ImageEffect
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{
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[DefaultValue(ContentAlignment.BottomRight)]
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public ContentAlignment Placement { get; set; }
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private Point offset;
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[DefaultValue(typeof(Point), "5, 5")]
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public Point Offset
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{
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get
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{
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return offset;
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}
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set
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{
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offset = new Point(value.X.Min(0), value.Y.Min(0));
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}
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}
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[DefaultValue(true), Description("If image watermark size bigger than source image then don't draw it.")]
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public bool AutoHide { get; set; }
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[DefaultValue(""), Editor(typeof(ImageFileNameEditor), typeof(UITypeEditor))]
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public string ImageLocation { get; set; }
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[DefaultValue(DrawImageSizeMode.DontResize), Description("How the image watermark should be rescaled, if at all.")]
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public DrawImageSizeMode SizeMode { get; set; }
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[DefaultValue(typeof(Size), "0, 0")]
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public Size Size { get; set; }
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public DrawImage()
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{
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this.ApplyDefaultPropertyValues();
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}
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public override Image Apply(Image img)
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{
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if (!string.IsNullOrEmpty(ImageLocation) && File.Exists(ImageLocation))
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{
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using (Image img2 = ImageHelpers.LoadImage(ImageLocation))
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{
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//Calculate size first
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Size imageSize = img2.Size;
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if (SizeMode == DrawImageSizeMode.AbsoluteSize)
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{
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//Use Size property
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imageSize = Size;
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}
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else if (SizeMode == DrawImageSizeMode.PercentageOfWatermark)
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{
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//Relative size (percentage of watermark)
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imageSize = new Size((int)(img2.Width * (Size.Width / 100.0)), (int)(img2.Height * (Size.Height / 100.0)));
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}
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else if (SizeMode == DrawImageSizeMode.PercentageOfCanvas)
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{
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//Relative size (percentage of image)
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imageSize = new Size((int)(img.Width * (Size.Width / 100.0)), (int)(img.Height * (Size.Height / 100.0)));
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}
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//Place the image
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Point imagePosition = Helpers.GetPosition(Placement, Offset, img.Size, imageSize);
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Rectangle imageRectangle = new Rectangle(imagePosition, imageSize);
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if (AutoHide && !new Rectangle(0, 0, img.Width, img.Height).Contains(imageRectangle))
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{
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return img;
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}
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using (Graphics g = Graphics.FromImage(img))
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{
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g.SetHighQuality();
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g.DrawImage(img2, imageRectangle);
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}
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}
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}
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return img;
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}
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public enum DrawImageSizeMode
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{
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DontResize,
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AbsoluteSize,
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PercentageOfWatermark,
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PercentageOfCanvas
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}
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}
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} |