mirror of
https://github.com/greenshot/greenshot
synced 2025-07-14 00:53:51 -07:00
git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2387 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
224 lines
No EOL
5.8 KiB
C#
224 lines
No EOL
5.8 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2012 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 System;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.Windows.Forms;
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using Greenshot.Plugin.Drawing;
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using System.IO;
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using System.Collections.Generic;
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using GreenshotPlugin.Core;
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namespace Greenshot.Core {
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/// <summary>
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/// Interface to describe an effect
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/// </summary>
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public interface IEffect {
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Bitmap Apply(Bitmap sourceBitmap, out Point offsetChange);
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}
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/// <summary>
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/// DropShadowEffect
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/// </summary>
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public class DropShadowEffect : IEffect {
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public DropShadowEffect() {
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Darkness = 1f;
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ShadowSize = 9;
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ShadowOffset = new Point(-1, -1);
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}
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public float Darkness {
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get;
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set;
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}
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public int ShadowSize {
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get;
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set;
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}
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public Point ShadowOffset {
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get;
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set;
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}
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public virtual Bitmap Apply(Bitmap sourceBitmap, out Point offsetChange) {
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return ImageHelper.CreateShadow(sourceBitmap, Darkness, ShadowSize, ShadowOffset, out offsetChange, PixelFormat.Format32bppArgb); //Image.PixelFormat);
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}
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}
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/// <summary>
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/// TornEdgeEffect extends on DropShadowEffect
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/// </summary>
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public class TornEdgeEffect : DropShadowEffect {
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public TornEdgeEffect() : base() {
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ShadowSize = 7;
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ToothHeight = 12;
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HorizontalToothRange = 20;
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VerticalToothRange = 20;
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}
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public int ToothHeight {
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get;
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set;
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}
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public int HorizontalToothRange {
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get;
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set;
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}
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public int VerticalToothRange {
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get;
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set;
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}
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public override Bitmap Apply(Bitmap sourceBitmap, out Point offsetChange) {
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using (Bitmap tmpTornImage = ImageHelper.CreateTornEdge(sourceBitmap, ToothHeight, HorizontalToothRange, VerticalToothRange)) {
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return ImageHelper.CreateShadow(tmpTornImage, Darkness, ShadowSize, ShadowOffset, out offsetChange, PixelFormat.Format32bppArgb);
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}
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}
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}
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/// <summary>
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/// GrayscaleEffect
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/// </summary>
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public class GrayscaleEffect : IEffect {
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public Bitmap Apply(Bitmap sourceBitmap, out Point offsetChange) {
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offsetChange = Point.Empty;
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return ImageHelper.CreateGrayscale(sourceBitmap);
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}
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}
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/// <summary>
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/// InvertEffect
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/// </summary>
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public class InvertEffect : IEffect {
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public Bitmap Apply(Bitmap sourceBitmap, out Point offsetChange) {
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offsetChange = Point.Empty;
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return ImageHelper.CreateNegative(sourceBitmap);
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}
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}
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/// <summary>
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/// BorderEffect
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/// </summary>
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public class BorderEffect : IEffect {
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public BorderEffect() {
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Width = 2;
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Color = Color.Black;
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}
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public Color Color {
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get;
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set;
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}
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public int Width {
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get;
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set;
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}
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public Bitmap Apply(Bitmap sourceBitmap, out Point offsetChange) {
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return ImageHelper.CreateBorder(sourceBitmap, Width, Color, sourceBitmap.PixelFormat, out offsetChange);
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}
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}
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/// <summary>
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/// RotateEffect
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/// </summary>
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public class RotateEffect : IEffect {
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public RotateEffect(int angle) {
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Angle = angle;
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}
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public int Angle {
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get;
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set;
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}
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public Bitmap Apply(Bitmap sourceBitmap, out Point offsetChange) {
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offsetChange = Point.Empty;
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RotateFlipType flipType;
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if (Angle == 90) {
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flipType = RotateFlipType.Rotate90FlipNone;
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} else if (Angle == -90 || Angle == 270) {
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flipType = RotateFlipType.Rotate270FlipNone;
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} else {
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throw new NotSupportedException("Currently only an angle of 90 or -90 (270) is supported.");
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}
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return ImageHelper.RotateFlip(sourceBitmap, flipType);
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}
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}
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/// <summary>
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/// ResizeEffect
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/// </summary>
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public class ResizeEffect : IEffect {
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public ResizeEffect(int width, int height, bool maintainAspectRatio) {
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Width = width;
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Height = height;
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MaintainAspectRatio = maintainAspectRatio;
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}
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public int Width {
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get;
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set;
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}
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public int Height {
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get;
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set;
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}
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public bool MaintainAspectRatio {
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get;
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set;
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}
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public Bitmap Apply(Bitmap sourceBitmap, out Point offsetChange) {
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offsetChange = Point.Empty;
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return ImageHelper.ResizeBitmap(sourceBitmap, MaintainAspectRatio, Width, Height);
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}
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}
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/// <summary>
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/// ResizeCanvasEffect
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/// </summary>
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public class ResizeCanvasEffect : IEffect {
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public ResizeCanvasEffect(int left, int right, int top, int bottom) {
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Left = left;
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Right = right;
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Top = top;
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Bottom = bottom;
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BackgroundColor = Color.Empty; // Uses the default background color depending on the format
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}
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public int Left {
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get;
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set;
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}
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public int Right {
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get;
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set;
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}
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public int Top {
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get;
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set;
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}
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public int Bottom {
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get;
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set;
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}
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public Color BackgroundColor {
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get;
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set;
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}
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public Bitmap Apply(Bitmap sourceBitmap, out Point offsetChange) {
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// Make sure the elements move according to the offset the effect made the bitmap move
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offsetChange = new Point(Left, Top);
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return ImageHelper.ResizeCanvas(sourceBitmap, BackgroundColor, Left, Right, Top, Bottom);
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}
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}
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} |