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