119 lines
3.3 KiB
C#

/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2016 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
*
* 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 1 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, see <http://www.gnu.org/licenses/>.
*/
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using GreenshotPlugin.Core;
using Svg;
namespace GreenshotJiraPlugin
{
/// <summary>
/// Create an image look like of the SVG
/// </summary>
public class SvgImage : IImage
{
private readonly SvgDocument _svgDocument;
private Image _imageClone;
/// <summary>
/// Factory to create via a stream
/// </summary>
/// <param name="stream">Stream</param>
/// <returns>IImage</returns>
public static IImage FromStream(Stream stream)
{
return new SvgImage(stream);
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="stream"></param>
public SvgImage(Stream stream)
{
_svgDocument = SvgDocument.Open<SvgDocument>(stream);
Height = (int)_svgDocument.ViewBox.Height;
Width = (int)_svgDocument.ViewBox.Width;
}
/// <summary>
/// Height of the image, can be set to change
/// </summary>
public int Height { get; set; }
/// <summary>
/// Width of the image, can be set to change.
/// </summary>
public int Width { get; set; }
/// <summary>
/// Size of the image
/// </summary>
public Size Size => new Size(Width, Height);
/// <summary>
/// Pixelformat of the underlying image
/// </summary>
public PixelFormat PixelFormat => Image.PixelFormat;
/// <summary>
/// Horizontal resolution of the underlying image
/// </summary>
public float HorizontalResolution => Image.HorizontalResolution;
/// <summary>
/// Vertical resolution of the underlying image
/// </summary>
public float VerticalResolution => Image.VerticalResolution;
/// <summary>
/// Unterlying image, or an on demand rendered version with different attributes as the original
/// </summary>
public Image Image
{
get
{
if (_imageClone?.Height == Height && _imageClone?.Width == Width)
{
return _imageClone;
}
// Calculate new image clone
_imageClone?.Dispose();
_imageClone = ImageHelper.CreateEmpty(Width, Height, PixelFormat.Format32bppArgb, Color.Transparent, 96, 96);
_svgDocument.Draw((Bitmap)_imageClone);
return _imageClone;
}
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
public void Dispose()
{
_imageClone?.Dispose();
}
}
}