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98 lines
No EOL
3.8 KiB
C#
98 lines
No EOL
3.8 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2014 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.Helpers;
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using Greenshot.Plugin.Drawing;
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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
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{
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/// <summary>
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/// empty container for filter-only elements
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/// </summary>
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[Serializable()]
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public abstract class FilterContainer : DrawableContainer
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{
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public enum PreparedFilterMode { OBFUSCATE, HIGHLIGHT };
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public enum PreparedFilter { BLUR, PIXELIZE, TEXT_HIGHTLIGHT, AREA_HIGHLIGHT, GRAYSCALE, MAGNIFICATION };
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public PreparedFilter Filter
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{
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get { return (PreparedFilter)GetFieldValue(FieldType.PREPARED_FILTER_HIGHLIGHT); }
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}
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public FilterContainer(Surface parent)
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: base(parent)
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{
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}
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protected override void InitializeFields()
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{
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AddField(GetType(), FieldType.LINE_THICKNESS, 0);
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AddField(GetType(), FieldType.LINE_COLOR, DefaultLineColor);
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AddField(GetType(), FieldType.SHADOW, false);
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}
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public override void Draw(Graphics graphics, RenderMode rm)
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{
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int lineThickness = GetFieldValueAsInt(FieldType.LINE_THICKNESS);
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Color lineColor = GetFieldValueAsColor(FieldType.LINE_COLOR);
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bool shadow = GetFieldValueAsBool(FieldType.SHADOW);
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bool lineVisible = (lineThickness > 0 && Colors.IsVisible(lineColor));
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if (lineVisible)
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{
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graphics.SmoothingMode = SmoothingMode.HighSpeed;
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graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
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graphics.CompositingQuality = CompositingQuality.HighQuality;
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graphics.PixelOffsetMode = PixelOffsetMode.None;
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//draw shadow first
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if (shadow)
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{
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int basealpha = 100;
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int alpha = basealpha;
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int steps = 5;
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int currentStep = lineVisible ? 1 : 0;
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while (currentStep <= steps)
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{
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using (Pen shadowPen = new Pen(Color.FromArgb(alpha, 100, 100, 100), lineThickness))
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{
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Rectangle shadowRect = GuiRectangle.GetGuiRectangle(Left + currentStep, Top + currentStep, Width, Height);
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graphics.DrawRectangle(shadowPen, shadowRect);
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currentStep++;
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alpha = alpha - (basealpha / steps);
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}
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}
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}
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Rectangle rect = GuiRectangle.GetGuiRectangle(Left, Top, Width, Height);
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if (lineThickness > 0)
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{
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using (Pen pen = new Pen(lineColor, lineThickness))
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{
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graphics.DrawRectangle(pen, rect);
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}
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}
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}
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}
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}
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} |