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80 lines
No EOL
2.9 KiB
C#
80 lines
No EOL
2.9 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2013 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 Sourceforge: http://sourceforge.net/projects/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 Greenshot.Drawing.Fields;
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using Greenshot.Plugin.Drawing;
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using GreenshotPlugin.Core;
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using GreenshotPlugin.UnmanagedHelpers;
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using System;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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namespace Greenshot.Drawing.Filters
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{
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[Serializable()]
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public class BlurFilter : AbstractFilter
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{
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public double previewQuality;
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public double PreviewQuality
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{
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get { return previewQuality; }
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set { previewQuality = value; OnPropertyChanged("PreviewQuality"); }
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}
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public BlurFilter(DrawableContainer parent)
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: base(parent)
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{
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AddField(GetType(), FieldType.BLUR_RADIUS, 3);
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AddField(GetType(), FieldType.PREVIEW_QUALITY, 1.0d);
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}
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public unsafe override void Apply(Graphics graphics, Bitmap applyBitmap, Rectangle rect, RenderMode renderMode)
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{
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int blurRadius = GetFieldValueAsInt(FieldType.BLUR_RADIUS);
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double previewQuality = GetFieldValueAsDouble(FieldType.PREVIEW_QUALITY);
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Rectangle applyRect = ImageHelper.CreateIntersectRectangle(applyBitmap.Size, rect, Invert);
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if (applyRect.Width == 0 || applyRect.Height == 0)
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{
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return;
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}
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GraphicsState state = graphics.Save();
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if (Invert)
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{
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graphics.SetClip(applyRect);
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graphics.ExcludeClip(rect);
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}
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if (GDIplus.IsBlurPossible(blurRadius))
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{
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GDIplus.DrawWithBlur(graphics, applyBitmap, applyRect, null, null, blurRadius, false);
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}
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else
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{
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using (IFastBitmap fastBitmap = FastBitmap.CreateCloneOf(applyBitmap, applyRect))
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{
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ImageHelper.ApplyBoxBlur(fastBitmap, blurRadius);
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fastBitmap.DrawTo(graphics, applyRect);
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}
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}
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graphics.Restore(state);
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return;
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}
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}
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} |