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248 lines
7.6 KiB
C#
248 lines
7.6 KiB
C#
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/*
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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.Core;
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using Greenshot.Drawing.Fields;
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using Greenshot.Plugin.Drawing;
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using GreenshotPlugin;
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using GreenshotPlugin.Core;
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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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using System.IO;
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namespace Greenshot.Drawing
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{
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/// <summary>
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/// Description of BitmapContainer.
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/// </summary>
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[Serializable()]
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public class ImageContainer : DrawableContainer, IImageContainer
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{
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private Image image;
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/// <summary>
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/// This is the shadow version of the bitmap, rendered once to save performance
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/// Do not serialize, as the shadow is recreated from the original bitmap if it's not available
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/// </summary>
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[NonSerialized]
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private Image shadowBitmap = null;
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/// <summary>
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/// This is the offset for the shadow version of the bitmap
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/// Do not serialize, as the offset is recreated
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/// </summary>
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[NonSerialized]
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private Point shadowOffset = new Point(-1, -1);
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public ImageContainer(Surface parent, string filename)
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: this(parent)
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{
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Load(filename);
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}
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public ImageContainer(Surface parent)
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: base(parent)
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{
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AddField(GetType(), FieldType.SHADOW, false);
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FieldChanged += BitmapContainer_OnFieldChanged;
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}
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protected void BitmapContainer_OnFieldChanged(object sender, FieldChangedEventArgs e)
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{
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if (sender.Equals(this))
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{
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if (e.Field.FieldType == FieldType.SHADOW)
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{
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ChangeShadowField();
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}
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}
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}
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public void ChangeShadowField()
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{
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bool shadow = GetFieldValueAsBool(FieldType.SHADOW);
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if (shadow)
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{
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CheckShadow(shadow);
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Width = shadowBitmap.Width;
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Height = shadowBitmap.Height;
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Left = Left - shadowOffset.X;
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Top = Top - shadowOffset.Y;
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}
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else
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{
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Width = image.Width;
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Height = image.Height;
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if (shadowBitmap != null)
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{
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Left = Left + shadowOffset.X;
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Top = Top + shadowOffset.Y;
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}
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}
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}
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public Image Image
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{
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set
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{
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// Remove all current bitmaps
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disposeImages();
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image = ImageHelper.Clone(value);
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bool shadow = GetFieldValueAsBool(FieldType.SHADOW);
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CheckShadow(shadow);
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if (!shadow)
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{
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Width = image.Width;
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Height = image.Height;
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}
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else
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{
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Width = shadowBitmap.Width;
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Height = shadowBitmap.Height;
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Left = Left - shadowOffset.X;
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Top = Top - shadowOffset.Y;
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}
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}
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get { return image; }
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}
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/// <summary>
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/// The bulk of the clean-up code is implemented in Dispose(bool)
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/// This Dispose is called from the Dispose and the Destructor.
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/// When disposing==true all non-managed resources should be freed too!
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/// </summary>
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/// <param name="disposing"></param>
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protected override void Dispose(bool disposing)
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{
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if (disposing)
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{
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disposeImages();
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}
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image = null;
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shadowBitmap = null;
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base.Dispose(disposing);
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}
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private void disposeImages()
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{
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if (image != null)
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{
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image.Dispose();
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}
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if (shadowBitmap != null)
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{
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shadowBitmap.Dispose();
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}
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image = null;
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shadowBitmap = null;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="filename"></param>
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public void Load(string filename)
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{
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if (File.Exists(filename))
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{
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// Always make sure ImageHelper.LoadBitmap results are disposed some time,
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// as we close the bitmap internally, we need to do it afterwards
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using (Image tmpImage = ImageHelper.LoadImage(filename))
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{
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Image = tmpImage;
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}
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LOG.Debug("Loaded file: " + filename + " with resolution: " + Height + "," + Width);
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}
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}
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/// <summary>
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/// Rotate the bitmap
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/// </summary>
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/// <param name="rotateFlipType"></param>
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public override void Rotate(RotateFlipType rotateFlipType)
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{
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Image newImage = ImageHelper.RotateFlip((Bitmap)image, rotateFlipType);
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if (newImage != null)
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{
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// Remove all current bitmaps, also the shadow (will be recreated)
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disposeImages();
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image = newImage;
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}
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base.Rotate(rotateFlipType);
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}
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/// <summary>
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/// This checks if a shadow is already generated
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/// </summary>
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/// <param name="shadow"></param>
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private void CheckShadow(bool shadow)
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{
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if (shadow && shadowBitmap == null)
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{
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shadowBitmap = ImageHelper.ApplyEffect(image, new DropShadowEffect(), out shadowOffset);
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}
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}
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/// <summary>
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/// Draw the actual container to the graphics object
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/// </summary>
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/// <param name="graphics"></param>
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/// <param name="rm"></param>
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public override void Draw(Graphics graphics, RenderMode rm)
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{
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if (image != null)
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{
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bool shadow = GetFieldValueAsBool(FieldType.SHADOW);
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graphics.SmoothingMode = SmoothingMode.HighQuality;
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graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
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graphics.CompositingQuality = CompositingQuality.HighQuality;
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graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
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if (shadow)
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{
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CheckShadow(shadow);
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graphics.DrawImage(shadowBitmap, Bounds);
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}
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else
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{
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graphics.DrawImage(image, Bounds);
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}
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}
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}
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public override bool hasDefaultSize
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{
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get
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{
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return true;
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}
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}
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public override Size DefaultSize
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{
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get
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{
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return image.Size;
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}
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}
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}
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}
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