mirror of
https://github.com/ShareX/ShareX.git
synced 2024-10-06 05:05:42 +13:00
178 lines
No EOL
7.3 KiB
C#
178 lines
No EOL
7.3 KiB
C#
#region License Information (GPL v3)
|
|
|
|
/*
|
|
ShareX - A program that allows you to take screenshots and share any file type
|
|
Copyright (c) 2007-2021 ShareX Team
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
Optionally you can also view the license at <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#endregion License Information (GPL v3)
|
|
|
|
using ShareX.HelpersLib;
|
|
using System;
|
|
using System.ComponentModel;
|
|
using System.Drawing;
|
|
using System.Drawing.Design;
|
|
using System.Drawing.Drawing2D;
|
|
using System.Drawing.Imaging;
|
|
using System.IO;
|
|
|
|
namespace ShareX.ImageEffectsLib
|
|
{
|
|
[Description("Image")]
|
|
public class DrawImage : ImageEffect
|
|
{
|
|
[DefaultValue(""), Editor(typeof(ImageFileNameEditor), typeof(UITypeEditor))]
|
|
public string ImageLocation { get; set; }
|
|
|
|
[DefaultValue(ContentAlignment.TopLeft), TypeConverter(typeof(EnumProperNameConverter))]
|
|
public ContentAlignment Placement { get; set; }
|
|
|
|
[DefaultValue(typeof(Point), "0, 0")]
|
|
public Point Offset { get; set; }
|
|
|
|
[DefaultValue(DrawImageSizeMode.DontResize), Description("How the image watermark should be rescaled, if at all."), TypeConverter(typeof(EnumDescriptionConverter))]
|
|
public DrawImageSizeMode SizeMode { get; set; }
|
|
|
|
[DefaultValue(typeof(Size), "0, 0")]
|
|
public Size Size { get; set; }
|
|
|
|
[DefaultValue(ImageRotateFlipType.None), TypeConverter(typeof(EnumProperNameKeepCaseConverter))]
|
|
public ImageRotateFlipType RotateFlip { get; set; }
|
|
|
|
[DefaultValue(false)]
|
|
public bool Tile { get; set; }
|
|
|
|
[DefaultValue(false), Description("If image watermark size bigger than source image then don't draw it.")]
|
|
public bool AutoHide { get; set; }
|
|
|
|
[DefaultValue(ImageInterpolationMode.HighQualityBicubic), TypeConverter(typeof(EnumProperNameConverter))]
|
|
public ImageInterpolationMode InterpolationMode { get; set; }
|
|
|
|
[DefaultValue(CompositingMode.SourceOver), TypeConverter(typeof(EnumProperNameConverter))]
|
|
public CompositingMode CompositingMode { get; set; }
|
|
|
|
private int opacity;
|
|
|
|
[DefaultValue(100)]
|
|
public int Opacity
|
|
{
|
|
get
|
|
{
|
|
return opacity;
|
|
}
|
|
set
|
|
{
|
|
opacity = value.Clamp(0, 100);
|
|
}
|
|
}
|
|
|
|
public DrawImage()
|
|
{
|
|
this.ApplyDefaultPropertyValues();
|
|
}
|
|
|
|
public override Bitmap Apply(Bitmap bmp)
|
|
{
|
|
if (Opacity < 1 || (SizeMode != DrawImageSizeMode.DontResize && Size.Width <= 0 && Size.Height <= 0))
|
|
{
|
|
return bmp;
|
|
}
|
|
|
|
string imageFilePath = Helpers.ExpandFolderVariables(ImageLocation, true);
|
|
|
|
if (!string.IsNullOrEmpty(imageFilePath) && File.Exists(imageFilePath))
|
|
{
|
|
using (Bitmap bmpWatermark = ImageHelpers.LoadImage(imageFilePath))
|
|
{
|
|
if (bmpWatermark != null)
|
|
{
|
|
if (RotateFlip != ImageRotateFlipType.None)
|
|
{
|
|
bmpWatermark.RotateFlip((RotateFlipType)RotateFlip);
|
|
}
|
|
|
|
Size imageSize;
|
|
|
|
if (SizeMode == DrawImageSizeMode.AbsoluteSize)
|
|
{
|
|
int width = Size.Width == -1 ? bmp.Width : Size.Width;
|
|
int height = Size.Height == -1 ? bmp.Height : Size.Height;
|
|
imageSize = ImageHelpers.ApplyAspectRatio(width, height, bmpWatermark);
|
|
}
|
|
else if (SizeMode == DrawImageSizeMode.PercentageOfWatermark)
|
|
{
|
|
int width = (int)Math.Round(Size.Width / 100f * bmpWatermark.Width);
|
|
int height = (int)Math.Round(Size.Height / 100f * bmpWatermark.Height);
|
|
imageSize = ImageHelpers.ApplyAspectRatio(width, height, bmpWatermark);
|
|
}
|
|
else if (SizeMode == DrawImageSizeMode.PercentageOfCanvas)
|
|
{
|
|
int width = (int)Math.Round(Size.Width / 100f * bmp.Width);
|
|
int height = (int)Math.Round(Size.Height / 100f * bmp.Height);
|
|
imageSize = ImageHelpers.ApplyAspectRatio(width, height, bmpWatermark);
|
|
}
|
|
else
|
|
{
|
|
imageSize = bmpWatermark.Size;
|
|
}
|
|
|
|
Point imagePosition = Helpers.GetPosition(Placement, Offset, bmp.Size, imageSize);
|
|
Rectangle imageRectangle = new Rectangle(imagePosition, imageSize);
|
|
|
|
if (AutoHide && !new Rectangle(0, 0, bmp.Width, bmp.Height).Contains(imageRectangle))
|
|
{
|
|
return bmp;
|
|
}
|
|
|
|
using (Graphics g = Graphics.FromImage(bmp))
|
|
{
|
|
g.InterpolationMode = ImageHelpers.GetInterpolationMode(InterpolationMode);
|
|
g.PixelOffsetMode = PixelOffsetMode.Half;
|
|
g.CompositingMode = CompositingMode;
|
|
|
|
if (Tile)
|
|
{
|
|
using (TextureBrush brush = new TextureBrush(bmpWatermark, WrapMode.Tile))
|
|
{
|
|
brush.TranslateTransform(imageRectangle.X, imageRectangle.Y);
|
|
g.FillRectangle(brush, imageRectangle);
|
|
}
|
|
}
|
|
else if (Opacity < 100)
|
|
{
|
|
using (ImageAttributes ia = new ImageAttributes())
|
|
{
|
|
ColorMatrix matrix = ColorMatrixManager.Alpha(Opacity / 100f);
|
|
ia.SetColorMatrix(matrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
|
|
g.DrawImage(bmpWatermark, imageRectangle, 0, 0, bmpWatermark.Width, bmpWatermark.Height, GraphicsUnit.Pixel, ia);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
g.DrawImage(bmpWatermark, imageRectangle);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return bmp;
|
|
}
|
|
}
|
|
} |