mirror of
https://github.com/ShareX/ShareX.git
synced 2024-08-20 12:41:29 +12:00
275 lines
No EOL
10 KiB
C#
275 lines
No EOL
10 KiB
C#
#region License Information (GPL v3)
|
|
|
|
/*
|
|
ShareX - A program that allows you to take screenshots and share any file type
|
|
Copyright (c) 2007-2017 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.Collections.Generic;
|
|
using System.ComponentModel;
|
|
using System.Drawing;
|
|
using System.Drawing.Design;
|
|
using System.Drawing.Drawing2D;
|
|
using System.Linq;
|
|
using System.Windows.Forms;
|
|
|
|
namespace ShareX.ImageEffectsLib
|
|
{
|
|
[Description("Text watermark")]
|
|
public class DrawText : ImageEffect
|
|
{
|
|
[DefaultValue(ContentAlignment.BottomRight)]
|
|
public ContentAlignment Placement { get; set; }
|
|
|
|
private Point offset;
|
|
|
|
[DefaultValue(typeof(Point), "5, 5")]
|
|
public Point Offset
|
|
{
|
|
get
|
|
{
|
|
return offset;
|
|
}
|
|
set
|
|
{
|
|
offset = new Point(value.X.Min(0), value.Y.Min(0));
|
|
}
|
|
}
|
|
|
|
[DefaultValue(true), Description("If text watermark size bigger than source image then don't draw it.")]
|
|
public bool AutoHide { get; set; }
|
|
|
|
[DefaultValue("getsharex.com"), Editor(typeof(NameParserEditor), typeof(UITypeEditor))]
|
|
public string Text { get; set; }
|
|
|
|
private FontSafe textFontSafe = new FontSafe();
|
|
|
|
// Workaround for "System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt."
|
|
[DefaultValue(typeof(Font), "Arial, 11.25pt")]
|
|
public Font TextFont
|
|
{
|
|
get
|
|
{
|
|
return textFontSafe.GetFont();
|
|
}
|
|
set
|
|
{
|
|
using (value)
|
|
{
|
|
textFontSafe.SetFont(value);
|
|
}
|
|
}
|
|
}
|
|
|
|
[DefaultValue(typeof(Color), "White"), Editor(typeof(MyColorEditor), typeof(UITypeEditor)), TypeConverter(typeof(MyColorConverter))]
|
|
public Color TextColor { get; set; }
|
|
|
|
[DefaultValue(true)]
|
|
public bool DrawTextShadow { get; set; }
|
|
|
|
[DefaultValue(typeof(Color), "Black"), Editor(typeof(MyColorEditor), typeof(UITypeEditor)), TypeConverter(typeof(MyColorConverter))]
|
|
public Color TextShadowColor { get; set; }
|
|
|
|
[DefaultValue(typeof(Point), "-1, -1")]
|
|
public Point TextShadowOffset { get; set; }
|
|
|
|
private int cornerRadius;
|
|
|
|
[DefaultValue(4)]
|
|
public int CornerRadius
|
|
{
|
|
get
|
|
{
|
|
return cornerRadius;
|
|
}
|
|
set
|
|
{
|
|
cornerRadius = value.Min(0);
|
|
}
|
|
}
|
|
|
|
[DefaultValue(typeof(Padding), "5, 5, 5, 5")]
|
|
public Padding Padding { get; set; }
|
|
|
|
[DefaultValue(true)]
|
|
public bool DrawBorder { get; set; }
|
|
|
|
[DefaultValue(typeof(Color), "Black"), Editor(typeof(MyColorEditor), typeof(UITypeEditor)), TypeConverter(typeof(MyColorConverter))]
|
|
public Color BorderColor { get; set; }
|
|
|
|
[DefaultValue(1)]
|
|
public int BorderSize { get; set; }
|
|
|
|
[DefaultValue(true)]
|
|
public bool DrawBackground { get; set; }
|
|
|
|
[DefaultValue(typeof(Color), "10, 110, 230"), Editor(typeof(MyColorEditor), typeof(UITypeEditor)), TypeConverter(typeof(MyColorConverter))]
|
|
public Color BackgroundColor { get; set; }
|
|
|
|
[DefaultValue(true)]
|
|
public bool UseGradient { get; set; }
|
|
|
|
[DefaultValue(LinearGradientMode.Vertical)]
|
|
public LinearGradientMode GradientType { get; set; }
|
|
|
|
[DefaultValue(typeof(Color), "0, 20, 40"), Editor(typeof(MyColorEditor), typeof(UITypeEditor)), TypeConverter(typeof(MyColorConverter))]
|
|
public Color BackgroundColor2 { get; set; }
|
|
|
|
[DefaultValue(false)]
|
|
public bool UseCustomGradient { get; set; }
|
|
|
|
[Editor(typeof(GradientEditor), typeof(UITypeEditor))]
|
|
public GradientInfo Gradient { get; set; }
|
|
|
|
public DrawText()
|
|
{
|
|
this.ApplyDefaultPropertyValues();
|
|
AddDefaultGradient();
|
|
}
|
|
|
|
private void AddDefaultGradient()
|
|
{
|
|
Gradient = new GradientInfo();
|
|
Gradient.Colors.Add(new GradientStop(Color.FromArgb(68, 120, 194), 0f));
|
|
Gradient.Colors.Add(new GradientStop(Color.FromArgb(13, 58, 122), 50f));
|
|
Gradient.Colors.Add(new GradientStop(Color.FromArgb(6, 36, 78), 50f));
|
|
Gradient.Colors.Add(new GradientStop(Color.FromArgb(23, 89, 174), 100f));
|
|
}
|
|
|
|
public override Image Apply(Image img)
|
|
{
|
|
if (string.IsNullOrEmpty(Text))
|
|
{
|
|
return img;
|
|
}
|
|
|
|
using (Font textFont = TextFont)
|
|
{
|
|
if (textFont == null || textFont.Size < 1)
|
|
{
|
|
return img;
|
|
}
|
|
|
|
NameParser parser = new NameParser(NameParserType.Text);
|
|
|
|
if (img != null)
|
|
{
|
|
parser.ImageWidth = img.Width;
|
|
parser.ImageHeight = img.Height;
|
|
}
|
|
|
|
string parsedText = parser.Parse(Text);
|
|
|
|
Size textSize = Helpers.MeasureText(parsedText, textFont);
|
|
Size watermarkSize = new Size(Padding.Left + textSize.Width + Padding.Right, Padding.Top + textSize.Height + Padding.Bottom);
|
|
Point watermarkPosition = Helpers.GetPosition(Placement, Offset, img.Size, watermarkSize);
|
|
Rectangle watermarkRectangle = new Rectangle(watermarkPosition, watermarkSize);
|
|
|
|
if (AutoHide && !new Rectangle(0, 0, img.Width, img.Height).Contains(watermarkRectangle))
|
|
{
|
|
return img;
|
|
}
|
|
|
|
using (Graphics g = Graphics.FromImage(img))
|
|
{
|
|
g.SmoothingMode = SmoothingMode.HighQuality;
|
|
|
|
using (GraphicsPath gp = new GraphicsPath())
|
|
{
|
|
gp.AddRoundedRectangleProper(watermarkRectangle, CornerRadius);
|
|
|
|
if (DrawBackground)
|
|
{
|
|
Brush backgroundBrush = null;
|
|
|
|
try
|
|
{
|
|
if (UseGradient)
|
|
{
|
|
if (UseCustomGradient && Gradient != null && Gradient.IsValid)
|
|
{
|
|
backgroundBrush = new LinearGradientBrush(watermarkRectangle, Color.Transparent, Color.Transparent, Gradient.Type);
|
|
ColorBlend colorBlend = new ColorBlend();
|
|
IEnumerable<GradientStop> gradient = Gradient.Colors.OrderBy(x => x.Location);
|
|
colorBlend.Colors = gradient.Select(x => x.Color).ToArray();
|
|
colorBlend.Positions = gradient.Select(x => x.Location / 100).ToArray();
|
|
((LinearGradientBrush)backgroundBrush).InterpolationColors = colorBlend;
|
|
}
|
|
else
|
|
{
|
|
backgroundBrush = new LinearGradientBrush(watermarkRectangle, BackgroundColor, BackgroundColor2, GradientType);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
backgroundBrush = new SolidBrush(BackgroundColor);
|
|
}
|
|
|
|
g.FillPath(backgroundBrush, gp);
|
|
}
|
|
finally
|
|
{
|
|
if (backgroundBrush != null) backgroundBrush.Dispose();
|
|
}
|
|
}
|
|
|
|
if (DrawBorder)
|
|
{
|
|
int borderSize = BorderSize.Min(1);
|
|
|
|
if (borderSize.IsEvenNumber())
|
|
{
|
|
g.PixelOffsetMode = PixelOffsetMode.Half;
|
|
}
|
|
|
|
using (Pen borderPen = new Pen(BorderColor, borderSize))
|
|
{
|
|
g.DrawPath(borderPen, gp);
|
|
}
|
|
|
|
g.PixelOffsetMode = PixelOffsetMode.Default;
|
|
}
|
|
}
|
|
|
|
float centerX = watermarkRectangle.Width / 2f - (Padding.Right - Padding.Left);
|
|
float centerY = watermarkRectangle.Height / 2f - (Padding.Bottom - Padding.Top);
|
|
|
|
if (DrawTextShadow)
|
|
{
|
|
using (Brush textShadowBrush = new SolidBrush(TextShadowColor))
|
|
{
|
|
g.DrawString(parsedText, textFont, textShadowBrush, watermarkRectangle.X + Padding.Left + TextShadowOffset.X,
|
|
watermarkRectangle.Y + Padding.Top + TextShadowOffset.Y);
|
|
}
|
|
}
|
|
|
|
using (Brush textBrush = new SolidBrush(TextColor))
|
|
{
|
|
g.DrawString(parsedText, textFont, textBrush, watermarkRectangle.X + Padding.Left, watermarkRectangle.Y + Padding.Top);
|
|
}
|
|
}
|
|
}
|
|
|
|
return img;
|
|
}
|
|
}
|
|
} |