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1171 lines
38 KiB
C#
1171 lines
38 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 System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Imaging;
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namespace GreenshotPlugin.Core
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{
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/// <summary>
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/// The interface for the FastBitmap
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/// </summary>
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public interface IFastBitmap : IDisposable
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{
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/// <summary>
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/// Get the color at x,y
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/// The returned Color object depends on the underlying pixel format
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/// </summary>
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/// <param name="x">int x</param>
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/// <param name="y">int y</param>
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/// <returns>Color</returns>
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Color GetColorAt(int x, int y);
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/// <summary>
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/// Set the color at the specified location
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/// </summary>
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/// <param name="x">int x</param>
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/// <param name="y">int y</param>
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/// <param name="color">Color</param>
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void SetColorAt(int x, int y, Color color);
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/// <summary>
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/// Get the color at x,y
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/// The returned byte[] color depends on the underlying pixel format
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/// </summary>
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/// <param name="x">int x</param>
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/// <param name="y">int y</par
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void GetColorAt(int x, int y, byte[] color);
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/// <summary>
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/// Set the color at the specified location
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/// </summary>
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/// <param name="x">int x</param>
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/// <param name="y">int y</param>
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/// <param name="color">byte[] color</param>
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void SetColorAt(int x, int y, byte[] color);
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/// <summary>
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/// Lock the bitmap
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/// </summary>
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void Lock();
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/// <summary>
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/// Unlock the bitmap
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/// </summary>
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void Unlock();
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/// <summary>
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/// Unlock the bitmap and get the underlying bitmap in one call
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/// </summary>
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/// <returns></returns>
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Bitmap UnlockAndReturnBitmap();
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/// <summary>
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/// Size of the underlying image
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/// </summary>
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Size Size
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{
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get;
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}
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/// <summary>
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/// Height of the image area that this fastbitmap covers
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/// </summary>
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int Height
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{
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get;
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}
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/// <summary>
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/// Width of the image area that this fastbitmap covers
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/// </summary>
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int Width
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{
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get;
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}
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/// <summary>
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/// Top of the image area that this fastbitmap covers
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/// </summary>
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int Top
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{
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get;
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}
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/// <summary>
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/// Left of the image area that this fastbitmap covers
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/// </summary>
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int Left
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{
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get;
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}
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/// <summary>
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/// Right of the image area that this fastbitmap covers
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/// </summary>
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int Right
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{
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get;
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}
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/// <summary>
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/// Bottom of the image area that this fastbitmap covers
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/// </summary>
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int Bottom
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{
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get;
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}
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/// <summary>
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/// Does the underlying image need to be disposed
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/// </summary>
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bool NeedsDispose
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{
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get;
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set;
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}
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/// <summary>
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/// Returns if this FastBitmap has an alpha channel
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/// </summary>
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bool hasAlphaChannel
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{
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get;
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}
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/// <summary>
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/// Draw the stored bitmap to the destionation bitmap at the supplied point
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/// </summary>
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/// <param name="graphics">Graphics</param>
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/// <param name="destination">Point with location</param>
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void DrawTo(Graphics graphics, Point destination);
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/// <summary>
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/// Draw the stored Bitmap on the Destination bitmap with the specified rectangle
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/// Be aware that the stored bitmap will be resized to the specified rectangle!!
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/// </summary>
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/// <param name="graphics">Graphics</param>
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/// <param name="destinationRect">Rectangle with destination</param>
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void DrawTo(Graphics graphics, Rectangle destinationRect);
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/// <summary>
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/// Return true if the coordinates are inside the FastBitmap
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/// </summary>
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/// <param name="x"></param>
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/// <param name="y"></param>
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/// <returns></returns>
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bool Contains(int x, int y);
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/// <summary>
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/// Set the bitmap resolution
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/// </summary>
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/// <param name="horizontal"></param>
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/// <param name="vertical"></param>
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void SetResolution(float horizontal, float vertical);
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}
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/// <summary>
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/// This interface can be used for when offsetting is needed
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/// </summary>
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public interface IFastBitmapWithOffset : IFastBitmap
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{
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/// <summary>
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/// Return true if the coordinates are inside the FastBitmap
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/// </summary>
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/// <param name="x"></param>
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/// <param name="y"></param>
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/// <returns></returns>
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new bool Contains(int x, int y);
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/// <summary>
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/// Set the color at the specified location, using offsetting so the original coordinates can be used
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/// </summary>
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/// <param name="x">int x</param>
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/// <param name="y">int y</param>
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/// <param name="color">Color color</param>
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new void SetColorAt(int x, int y, Color color);
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/// <summary>
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/// Set the color at the specified location, using offsetting so the original coordinates can be used
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/// </summary>
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/// <param name="x">int x</param>
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/// <param name="y">int y</param>
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/// <param name="color">byte[] color</param>
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new void SetColorAt(int x, int y, byte[] color);
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/// <summary>
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/// Get the color at x,y
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/// The returned Color object depends on the underlying pixel format
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/// </summary>
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/// <param name="x">int x</param>
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/// <param name="y">int y</param>
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/// <returns>Color</returns>
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new Color GetColorAt(int x, int y);
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/// <summary>
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/// Get the color at x,y, using offsetting so the original coordinates can be used
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/// The returned byte[] color depends on the underlying pixel format
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/// </summary>
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/// <param name="x">int x</param>
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/// <param name="y">int y</par
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new void GetColorAt(int x, int y, byte[] color);
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new int Left
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{
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get;
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set;
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}
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new int Top
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{
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get;
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set;
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}
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}
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/// <summary>
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/// This interface can be used for when clipping is needed
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/// </summary>
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public interface IFastBitmapWithClip : IFastBitmap
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{
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Rectangle Clip
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{
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get;
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set;
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}
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bool InvertClip
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{
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get;
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set;
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}
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/// <summary>
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/// Set the color at the specified location, this doesn't do anything if the location is excluded due to clipping
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/// </summary>
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/// <param name="x">int x</param>
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/// <param name="y">int y</param>
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/// <param name="color">Color color</param>
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new void SetColorAt(int x, int y, Color color);
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/// <summary>
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/// Set the color at the specified location, this doesn't do anything if the location is excluded due to clipping
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/// </summary>
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/// <param name="x">int x</param>
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/// <param name="y">int y</param>
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/// <param name="color">byte[] color</param>
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new void SetColorAt(int x, int y, byte[] color);
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/// <summary>
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/// Return true if the coordinates are inside the FastBitmap and not clipped
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/// </summary>
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/// <param name="x"></param>
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/// <param name="y"></param>
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/// <returns></returns>
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new bool Contains(int x, int y);
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}
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/// <summary>
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/// This interface is implemented when there is a alpha-blending possibility
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/// </summary>
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public interface IFastBitmapWithBlend : IFastBitmap
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{
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Color BackgroundBlendColor
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{
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get;
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set;
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}
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Color GetBlendedColorAt(int x, int y);
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}
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/// <summary>
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/// The base class for the fast bitmap implementation
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/// </summary>
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public unsafe abstract class FastBitmap : IFastBitmap, IFastBitmapWithClip, IFastBitmapWithOffset
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{
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protected const int PIXELFORMAT_INDEX_A = 3;
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protected const int PIXELFORMAT_INDEX_R = 2;
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protected const int PIXELFORMAT_INDEX_G = 1;
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protected const int PIXELFORMAT_INDEX_B = 0;
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public const int COLOR_INDEX_R = 0;
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public const int COLOR_INDEX_G = 1;
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public const int COLOR_INDEX_B = 2;
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public const int COLOR_INDEX_A = 3;
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protected Rectangle area = Rectangle.Empty;
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/// <summary>
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/// If this is set to true, the bitmap will be disposed when disposing the IFastBitmap
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/// </summary>
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public bool NeedsDispose
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{
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get;
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set;
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}
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public Rectangle Clip
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{
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get;
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set;
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}
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public bool InvertClip
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{
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get;
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set;
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}
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/// <summary>
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/// The bitmap for which the FastBitmap is creating access
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/// </summary>
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protected Bitmap bitmap;
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protected BitmapData bmData;
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protected int stride; /* bytes per pixel row */
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protected bool bitsLocked = false;
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protected byte* pointer;
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public static IFastBitmap Create(Bitmap source)
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{
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return Create(source, Rectangle.Empty);
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}
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public void SetResolution(float horizontal, float vertical)
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{
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bitmap.SetResolution(horizontal, vertical);
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}
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/// <summary>
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/// Factory for creating a FastBitmap depending on the pixelformat of the source
|
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/// The supplied rectangle specifies the area for which the FastBitmap does its thing
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/// </summary>
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/// <param name="source">Bitmap to access</param>
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/// <param name="area">Rectangle which specifies the area to have access to, can be Rectangle.Empty for the whole image</param>
|
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/// <returns>IFastBitmap</returns>
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public static IFastBitmap Create(Bitmap source, Rectangle area)
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{
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switch (source.PixelFormat)
|
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{
|
|||
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case PixelFormat.Format8bppIndexed:
|
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return new FastChunkyBitmap(source, area);
|
|||
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case PixelFormat.Format24bppRgb:
|
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return new Fast24RGBBitmap(source, area);
|
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case PixelFormat.Format32bppRgb:
|
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return new Fast32RGBBitmap(source, area);
|
|||
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case PixelFormat.Format32bppArgb:
|
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case PixelFormat.Format32bppPArgb:
|
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return new Fast32ARGBBitmap(source, area);
|
|||
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default:
|
|||
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throw new NotSupportedException(string.Format("Not supported Pixelformat {0}", source.PixelFormat));
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Factory for creating a FastBitmap as a destination for the source
|
|||
|
/// </summary>
|
|||
|
/// <param name="source">Bitmap to clone</param>
|
|||
|
/// <returns>IFastBitmap</returns>
|
|||
|
public static IFastBitmap CreateCloneOf(Image source)
|
|||
|
{
|
|||
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return CreateCloneOf(source, source.PixelFormat, Rectangle.Empty);
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Factory for creating a FastBitmap as a destination for the source
|
|||
|
/// </summary>
|
|||
|
/// <param name="source">Bitmap to clone</param>
|
|||
|
/// <param name="pixelFormat">new Pixelformat</param>
|
|||
|
/// <returns>IFastBitmap</returns>
|
|||
|
public static IFastBitmap CreateCloneOf(Image source, PixelFormat pixelFormat)
|
|||
|
{
|
|||
|
return CreateCloneOf(source, pixelFormat, Rectangle.Empty);
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Factory for creating a FastBitmap as a destination for the source
|
|||
|
/// </summary>
|
|||
|
/// <param name="source">Bitmap to clone</param>
|
|||
|
/// <param name="area">Area of the bitmap to access, can be Rectangle.Empty for the whole</param>
|
|||
|
/// <returns>IFastBitmap</returns>
|
|||
|
public static IFastBitmap CreateCloneOf(Image source, Rectangle area)
|
|||
|
{
|
|||
|
return CreateCloneOf(source, PixelFormat.DontCare, area);
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Factory for creating a FastBitmap as a destination for the source
|
|||
|
/// </summary>
|
|||
|
/// <param name="source">Bitmap to clone</param>
|
|||
|
/// <param name="pixelFormat">Pixelformat of the cloned bitmap</param>
|
|||
|
/// <param name="area">Area of the bitmap to access, can be Rectangle.Empty for the whole</param>
|
|||
|
/// <returns>IFastBitmap</returns>
|
|||
|
public static IFastBitmap CreateCloneOf(Image source, PixelFormat pixelFormat, Rectangle area)
|
|||
|
{
|
|||
|
Bitmap destination = ImageHelper.CloneArea(source, area, pixelFormat);
|
|||
|
FastBitmap fastBitmap = Create(destination) as FastBitmap;
|
|||
|
fastBitmap.NeedsDispose = true;
|
|||
|
fastBitmap.Left = area.Left;
|
|||
|
fastBitmap.Top = area.Top;
|
|||
|
return fastBitmap;
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Factory for creating a FastBitmap as a destination
|
|||
|
/// </summary>
|
|||
|
/// <param name="newSize"></param>
|
|||
|
/// <param name="pixelFormat"></param>
|
|||
|
/// <param name="backgroundColor"></param>
|
|||
|
/// <returns>IFastBitmap</returns>
|
|||
|
public static IFastBitmap CreateEmpty(Size newSize, PixelFormat pixelFormat, Color backgroundColor)
|
|||
|
{
|
|||
|
Bitmap destination = ImageHelper.CreateEmpty(newSize.Width, newSize.Height, pixelFormat, backgroundColor, 96f, 96f);
|
|||
|
IFastBitmap fastBitmap = Create(destination);
|
|||
|
fastBitmap.NeedsDispose = true;
|
|||
|
return fastBitmap;
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Constructor which stores the image and locks it when called
|
|||
|
/// </summary>
|
|||
|
/// <param name="bitmap"></param>
|
|||
|
protected FastBitmap(Bitmap bitmap, Rectangle area)
|
|||
|
{
|
|||
|
this.bitmap = bitmap;
|
|||
|
Rectangle bitmapArea = new Rectangle(Point.Empty, bitmap.Size);
|
|||
|
if (area != Rectangle.Empty)
|
|||
|
{
|
|||
|
area.Intersect(bitmapArea);
|
|||
|
this.area = area;
|
|||
|
}
|
|||
|
else
|
|||
|
{
|
|||
|
this.area = bitmapArea;
|
|||
|
}
|
|||
|
// As the lock takes care that only the specified area is made available we need to calculate the offset
|
|||
|
Left = area.Left;
|
|||
|
Top = area.Top;
|
|||
|
// Default cliping is done to the area without invert
|
|||
|
Clip = this.area;
|
|||
|
InvertClip = false;
|
|||
|
// Always lock, so we don't need to do this ourselves
|
|||
|
Lock();
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Return the size of the image
|
|||
|
/// </summary>
|
|||
|
public Size Size
|
|||
|
{
|
|||
|
get
|
|||
|
{
|
|||
|
if (area == Rectangle.Empty)
|
|||
|
{
|
|||
|
return bitmap.Size;
|
|||
|
}
|
|||
|
return area.Size;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Return the width of the image
|
|||
|
/// </summary>
|
|||
|
public int Width
|
|||
|
{
|
|||
|
get
|
|||
|
{
|
|||
|
if (area == Rectangle.Empty)
|
|||
|
{
|
|||
|
return bitmap.Width;
|
|||
|
}
|
|||
|
return area.Width;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Return the height of the image
|
|||
|
/// </summary>
|
|||
|
public int Height
|
|||
|
{
|
|||
|
get
|
|||
|
{
|
|||
|
if (area == Rectangle.Empty)
|
|||
|
{
|
|||
|
return bitmap.Height;
|
|||
|
}
|
|||
|
return area.Height;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
private int left;
|
|||
|
/// <summary>
|
|||
|
/// Return the left of the fastbitmap, this is also used as an offset
|
|||
|
/// </summary>
|
|||
|
public int Left
|
|||
|
{
|
|||
|
get
|
|||
|
{
|
|||
|
return 0;
|
|||
|
}
|
|||
|
set
|
|||
|
{
|
|||
|
left = value;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Return the left of the fastbitmap, this is also used as an offset
|
|||
|
/// </summary>
|
|||
|
int IFastBitmapWithOffset.Left
|
|||
|
{
|
|||
|
get
|
|||
|
{
|
|||
|
return left;
|
|||
|
}
|
|||
|
set
|
|||
|
{
|
|||
|
left = value;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
private int top;
|
|||
|
/// <summary>
|
|||
|
/// Return the top of the fastbitmap, this is also used as an offset
|
|||
|
/// </summary>
|
|||
|
public int Top
|
|||
|
{
|
|||
|
get
|
|||
|
{
|
|||
|
return 0;
|
|||
|
}
|
|||
|
set
|
|||
|
{
|
|||
|
top = value;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Return the top of the fastbitmap, this is also used as an offset
|
|||
|
/// </summary>
|
|||
|
int IFastBitmapWithOffset.Top
|
|||
|
{
|
|||
|
get
|
|||
|
{
|
|||
|
return top;
|
|||
|
}
|
|||
|
set
|
|||
|
{
|
|||
|
top = value;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Return the right of the fastbitmap
|
|||
|
/// </summary>
|
|||
|
public int Right
|
|||
|
{
|
|||
|
get
|
|||
|
{
|
|||
|
return Left + Width;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Return the bottom of the fastbitmap
|
|||
|
/// </summary>
|
|||
|
public int Bottom
|
|||
|
{
|
|||
|
get
|
|||
|
{
|
|||
|
return Top + Height;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Returns the underlying bitmap, unlocks it and prevents that it will be disposed
|
|||
|
/// </summary>
|
|||
|
public Bitmap UnlockAndReturnBitmap()
|
|||
|
{
|
|||
|
if (bitsLocked)
|
|||
|
{
|
|||
|
Unlock();
|
|||
|
}
|
|||
|
NeedsDispose = false;
|
|||
|
return bitmap;
|
|||
|
}
|
|||
|
|
|||
|
public virtual bool hasAlphaChannel
|
|||
|
{
|
|||
|
get
|
|||
|
{
|
|||
|
return false;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Destructor
|
|||
|
/// </summary>
|
|||
|
~FastBitmap()
|
|||
|
{
|
|||
|
Dispose(false);
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// The public accessible Dispose
|
|||
|
/// Will call the GarbageCollector to SuppressFinalize, preventing being cleaned twice
|
|||
|
/// </summary>
|
|||
|
public void Dispose()
|
|||
|
{
|
|||
|
Dispose(true);
|
|||
|
GC.SuppressFinalize(this);
|
|||
|
}
|
|||
|
|
|||
|
// The bulk of the clean-up code is implemented in Dispose(bool)
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// This Dispose is called from the Dispose and the Destructor.
|
|||
|
/// When disposing==true all non-managed resources should be freed too!
|
|||
|
/// </summary>
|
|||
|
/// <param name="disposing"></param>
|
|||
|
protected virtual void Dispose(bool disposing)
|
|||
|
{
|
|||
|
Unlock();
|
|||
|
if (disposing)
|
|||
|
{
|
|||
|
if (bitmap != null && NeedsDispose)
|
|||
|
{
|
|||
|
bitmap.Dispose();
|
|||
|
}
|
|||
|
}
|
|||
|
bitmap = null;
|
|||
|
bmData = null;
|
|||
|
pointer = null;
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Lock the bitmap so we have direct access to the memory
|
|||
|
/// </summary>
|
|||
|
public void Lock()
|
|||
|
{
|
|||
|
if (Width > 0 && Height > 0 && !bitsLocked)
|
|||
|
{
|
|||
|
bmData = bitmap.LockBits(area, ImageLockMode.ReadWrite, bitmap.PixelFormat);
|
|||
|
bitsLocked = true;
|
|||
|
|
|||
|
IntPtr Scan0 = bmData.Scan0;
|
|||
|
pointer = (byte*)(void*)Scan0;
|
|||
|
stride = bmData.Stride;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Unlock the System Memory
|
|||
|
/// </summary>
|
|||
|
public void Unlock()
|
|||
|
{
|
|||
|
if (bitsLocked)
|
|||
|
{
|
|||
|
bitmap.UnlockBits(bmData);
|
|||
|
bitsLocked = false;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Draw the stored bitmap to the destionation bitmap at the supplied point
|
|||
|
/// </summary>
|
|||
|
/// <param name="graphics"></param>
|
|||
|
/// <param name="destination"></param>
|
|||
|
public void DrawTo(Graphics graphics, Point destination)
|
|||
|
{
|
|||
|
DrawTo(graphics, new Rectangle(destination, area.Size));
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Draw the stored Bitmap on the Destination bitmap with the specified rectangle
|
|||
|
/// Be aware that the stored bitmap will be resized to the specified rectangle!!
|
|||
|
/// </summary>
|
|||
|
/// <param name="graphics"></param>
|
|||
|
/// <param name="destinationRect"></param>
|
|||
|
/// <param name="destination"></param>
|
|||
|
public void DrawTo(Graphics graphics, Rectangle destinationRect)
|
|||
|
{
|
|||
|
// Make sure this.bitmap is unlocked, if it was locked
|
|||
|
bool isLocked = bitsLocked;
|
|||
|
if (isLocked)
|
|||
|
{
|
|||
|
Unlock();
|
|||
|
}
|
|||
|
|
|||
|
graphics.DrawImage(bitmap, destinationRect, area, GraphicsUnit.Pixel);
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// returns true if x & y are inside the FastBitmap
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <returns>true if x & y are inside the FastBitmap</returns>
|
|||
|
public bool Contains(int x, int y)
|
|||
|
{
|
|||
|
return area.Contains(x - Left, y - Top);
|
|||
|
}
|
|||
|
|
|||
|
public abstract Color GetColorAt(int x, int y);
|
|||
|
|
|||
|
public abstract void SetColorAt(int x, int y, Color color);
|
|||
|
|
|||
|
public abstract void GetColorAt(int x, int y, byte[] color);
|
|||
|
|
|||
|
public abstract void SetColorAt(int x, int y, byte[] color);
|
|||
|
|
|||
|
#region IFastBitmapWithClip
|
|||
|
|
|||
|
bool IFastBitmapWithClip.Contains(int x, int y)
|
|||
|
{
|
|||
|
bool contains = Clip.Contains(x, y);
|
|||
|
if (InvertClip)
|
|||
|
{
|
|||
|
return !contains;
|
|||
|
}
|
|||
|
else
|
|||
|
{
|
|||
|
return contains;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
void IFastBitmapWithClip.SetColorAt(int x, int y, byte[] color)
|
|||
|
{
|
|||
|
bool contains = Clip.Contains(x, y);
|
|||
|
if ((InvertClip && contains) || (!InvertClip && !contains))
|
|||
|
{
|
|||
|
return;
|
|||
|
}
|
|||
|
SetColorAt(x, y, color);
|
|||
|
}
|
|||
|
|
|||
|
void IFastBitmapWithClip.SetColorAt(int x, int y, Color color)
|
|||
|
{
|
|||
|
bool contains = Clip.Contains(x, y);
|
|||
|
if ((InvertClip && contains) || (!InvertClip && !contains))
|
|||
|
{
|
|||
|
return;
|
|||
|
}
|
|||
|
SetColorAt(x, y, color);
|
|||
|
}
|
|||
|
|
|||
|
#endregion IFastBitmapWithClip
|
|||
|
|
|||
|
#region IFastBitmapWithOffset
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// returns true if x & y are inside the FastBitmap
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <returns>true if x & y are inside the FastBitmap</returns>
|
|||
|
bool IFastBitmapWithOffset.Contains(int x, int y)
|
|||
|
{
|
|||
|
return area.Contains(x - Left, y - Top);
|
|||
|
}
|
|||
|
|
|||
|
Color IFastBitmapWithOffset.GetColorAt(int x, int y)
|
|||
|
{
|
|||
|
x -= left;
|
|||
|
y -= top;
|
|||
|
return GetColorAt(x, y);
|
|||
|
}
|
|||
|
|
|||
|
void IFastBitmapWithOffset.GetColorAt(int x, int y, byte[] color)
|
|||
|
{
|
|||
|
x -= left;
|
|||
|
y -= top;
|
|||
|
GetColorAt(x, y, color);
|
|||
|
}
|
|||
|
|
|||
|
void IFastBitmapWithOffset.SetColorAt(int x, int y, byte[] color)
|
|||
|
{
|
|||
|
x -= left;
|
|||
|
y -= top;
|
|||
|
SetColorAt(x, y, color);
|
|||
|
}
|
|||
|
|
|||
|
void IFastBitmapWithOffset.SetColorAt(int x, int y, Color color)
|
|||
|
{
|
|||
|
x -= left;
|
|||
|
y -= top;
|
|||
|
SetColorAt(x, y, color);
|
|||
|
}
|
|||
|
|
|||
|
#endregion IFastBitmapWithOffset
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// This is the implementation of the FastBitmat for the 8BPP pixelformat
|
|||
|
/// </summary>
|
|||
|
public unsafe class FastChunkyBitmap : FastBitmap
|
|||
|
{
|
|||
|
// Used for indexed images
|
|||
|
private Color[] colorEntries;
|
|||
|
private Dictionary<Color, byte> colorCache = new Dictionary<Color, byte>();
|
|||
|
|
|||
|
public FastChunkyBitmap(Bitmap source, Rectangle area)
|
|||
|
: base(source, area)
|
|||
|
{
|
|||
|
colorEntries = bitmap.Palette.Entries;
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Get the color from the specified location
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <returns>Color</returns>
|
|||
|
public override Color GetColorAt(int x, int y)
|
|||
|
{
|
|||
|
int offset = x + (y * stride);
|
|||
|
byte colorIndex = pointer[offset];
|
|||
|
return colorEntries[colorIndex];
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Get the color from the specified location into the specified array
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <param name="color">byte[4] as reference</param>
|
|||
|
public override void GetColorAt(int x, int y, byte[] color)
|
|||
|
{
|
|||
|
throw new NotImplementedException("No performance gain!");
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Set the color at the specified location from the specified array
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <param name="color">byte[4] as reference</param>
|
|||
|
public override void SetColorAt(int x, int y, byte[] color)
|
|||
|
{
|
|||
|
throw new NotImplementedException("No performance gain!");
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Get the color-index from the specified location
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <returns>byte with index</returns>
|
|||
|
public byte GetColorIndexAt(int x, int y)
|
|||
|
{
|
|||
|
int offset = x + (y * stride);
|
|||
|
return pointer[offset];
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Set the color-index at the specified location
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <param name="color-index"></param>
|
|||
|
public void SetColorIndexAt(int x, int y, byte colorIndex)
|
|||
|
{
|
|||
|
int offset = x + (y * stride);
|
|||
|
pointer[offset] = colorIndex;
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Set the supplied color at the specified location.
|
|||
|
/// Throws an ArgumentException if the color is not in the palette
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <param name="color">Color to set</param>
|
|||
|
public override void SetColorAt(int x, int y, Color color)
|
|||
|
{
|
|||
|
int offset = x + (y * stride);
|
|||
|
byte colorIndex;
|
|||
|
if (!colorCache.TryGetValue(color, out colorIndex))
|
|||
|
{
|
|||
|
bool foundColor = false;
|
|||
|
for (colorIndex = 0; colorIndex < colorEntries.Length; colorIndex++)
|
|||
|
{
|
|||
|
if (color == colorEntries[colorIndex])
|
|||
|
{
|
|||
|
colorCache.Add(color, colorIndex);
|
|||
|
foundColor = true;
|
|||
|
break;
|
|||
|
}
|
|||
|
}
|
|||
|
if (!foundColor)
|
|||
|
{
|
|||
|
throw new ArgumentException("No such color!");
|
|||
|
}
|
|||
|
}
|
|||
|
pointer[offset] = colorIndex;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// This is the implementation of the IFastBitmap for 24 bit images (no Alpha)
|
|||
|
/// </summary>
|
|||
|
public unsafe class Fast24RGBBitmap : FastBitmap
|
|||
|
{
|
|||
|
public Fast24RGBBitmap(Bitmap source, Rectangle area)
|
|||
|
: base(source, area)
|
|||
|
{
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Retrieve the color at location x,y
|
|||
|
/// Before the first time this is called the Lock() should be called once!
|
|||
|
/// </summary>
|
|||
|
/// <param name="x">X coordinate</param>
|
|||
|
/// <param name="y">Y Coordinate</param>
|
|||
|
/// <returns>Color</returns>
|
|||
|
public override Color GetColorAt(int x, int y)
|
|||
|
{
|
|||
|
int offset = (x * 3) + (y * stride);
|
|||
|
return Color.FromArgb(255, pointer[PIXELFORMAT_INDEX_R + offset], pointer[PIXELFORMAT_INDEX_G + offset], pointer[PIXELFORMAT_INDEX_B + offset]);
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Set the color at location x,y
|
|||
|
/// Before the first time this is called the Lock() should be called once!
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <param name="color"></param>
|
|||
|
public override void SetColorAt(int x, int y, Color color)
|
|||
|
{
|
|||
|
int offset = (x * 3) + (y * stride);
|
|||
|
pointer[PIXELFORMAT_INDEX_R + offset] = color.R;
|
|||
|
pointer[PIXELFORMAT_INDEX_G + offset] = color.G;
|
|||
|
pointer[PIXELFORMAT_INDEX_B + offset] = color.B;
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Get the color from the specified location into the specified array
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <param name="color">byte[4] as reference (r,g,b)</param>
|
|||
|
public override void GetColorAt(int x, int y, byte[] color)
|
|||
|
{
|
|||
|
int offset = (x * 3) + (y * stride);
|
|||
|
color[PIXELFORMAT_INDEX_R] = pointer[PIXELFORMAT_INDEX_R + offset];
|
|||
|
color[PIXELFORMAT_INDEX_G] = pointer[PIXELFORMAT_INDEX_G + offset];
|
|||
|
color[PIXELFORMAT_INDEX_B] = pointer[PIXELFORMAT_INDEX_B + offset];
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Set the color at the specified location from the specified array
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <param name="color">byte[4] as reference (r,g,b)</param>
|
|||
|
public override void SetColorAt(int x, int y, byte[] color)
|
|||
|
{
|
|||
|
int offset = (x * 3) + (y * stride);
|
|||
|
pointer[PIXELFORMAT_INDEX_R + offset] = color[PIXELFORMAT_INDEX_R];
|
|||
|
pointer[PIXELFORMAT_INDEX_G + offset] = color[PIXELFORMAT_INDEX_G];
|
|||
|
pointer[PIXELFORMAT_INDEX_B + offset] = color[PIXELFORMAT_INDEX_B];
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// This is the implementation of the IFastBitmap for 32 bit images (no Alpha)
|
|||
|
/// </summary>
|
|||
|
public unsafe class Fast32RGBBitmap : FastBitmap
|
|||
|
{
|
|||
|
public Fast32RGBBitmap(Bitmap source, Rectangle area)
|
|||
|
: base(source, area)
|
|||
|
{
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Retrieve the color at location x,y
|
|||
|
/// Before the first time this is called the Lock() should be called once!
|
|||
|
/// </summary>
|
|||
|
/// <param name="x">X coordinate</param>
|
|||
|
/// <param name="y">Y Coordinate</param>
|
|||
|
/// <returns>Color</returns>
|
|||
|
public override Color GetColorAt(int x, int y)
|
|||
|
{
|
|||
|
int offset = (x * 4) + (y * stride);
|
|||
|
return Color.FromArgb(255, pointer[PIXELFORMAT_INDEX_R + offset], pointer[PIXELFORMAT_INDEX_G + offset], pointer[PIXELFORMAT_INDEX_B + offset]);
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Set the color at location x,y
|
|||
|
/// Before the first time this is called the Lock() should be called once!
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <param name="color"></param>
|
|||
|
public override void SetColorAt(int x, int y, Color color)
|
|||
|
{
|
|||
|
int offset = (x * 4) + (y * stride);
|
|||
|
pointer[PIXELFORMAT_INDEX_R + offset] = color.R;
|
|||
|
pointer[PIXELFORMAT_INDEX_G + offset] = color.G;
|
|||
|
pointer[PIXELFORMAT_INDEX_B + offset] = color.B;
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Get the color from the specified location into the specified array
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <param name="color">byte[4] as reference (a,r,g,b)</param>
|
|||
|
public override void GetColorAt(int x, int y, byte[] color)
|
|||
|
{
|
|||
|
int offset = (x * 4) + (y * stride);
|
|||
|
color[COLOR_INDEX_R] = pointer[PIXELFORMAT_INDEX_R + offset];
|
|||
|
color[COLOR_INDEX_G] = pointer[PIXELFORMAT_INDEX_G + offset];
|
|||
|
color[COLOR_INDEX_B] = pointer[PIXELFORMAT_INDEX_B + offset];
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Set the color at the specified location from the specified array
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <param name="color">byte[4] as reference (r,g,b)</param>
|
|||
|
public override void SetColorAt(int x, int y, byte[] color)
|
|||
|
{
|
|||
|
int offset = (x * 4) + (y * stride);
|
|||
|
pointer[PIXELFORMAT_INDEX_R + offset] = color[COLOR_INDEX_R]; // R
|
|||
|
pointer[PIXELFORMAT_INDEX_G + offset] = color[COLOR_INDEX_G];
|
|||
|
pointer[PIXELFORMAT_INDEX_B + offset] = color[COLOR_INDEX_B];
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// This is the implementation of the IFastBitmap for 32 bit images with Alpha
|
|||
|
/// </summary>
|
|||
|
public unsafe class Fast32ARGBBitmap : FastBitmap, IFastBitmapWithBlend
|
|||
|
{
|
|||
|
public override bool hasAlphaChannel
|
|||
|
{
|
|||
|
get
|
|||
|
{
|
|||
|
return true;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
public Color BackgroundBlendColor
|
|||
|
{
|
|||
|
get;
|
|||
|
set;
|
|||
|
}
|
|||
|
|
|||
|
public Fast32ARGBBitmap(Bitmap source, Rectangle area)
|
|||
|
: base(source, area)
|
|||
|
{
|
|||
|
BackgroundBlendColor = Color.White;
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Retrieve the color at location x,y
|
|||
|
/// </summary>
|
|||
|
/// <param name="x">X coordinate</param>
|
|||
|
/// <param name="y">Y Coordinate</param>
|
|||
|
/// <returns>Color</returns>
|
|||
|
public override Color GetColorAt(int x, int y)
|
|||
|
{
|
|||
|
int offset = (x * 4) + (y * stride);
|
|||
|
return Color.FromArgb(pointer[PIXELFORMAT_INDEX_A + offset], pointer[PIXELFORMAT_INDEX_R + offset], pointer[PIXELFORMAT_INDEX_G + offset], pointer[PIXELFORMAT_INDEX_B + offset]);
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Set the color at location x,y
|
|||
|
/// Before the first time this is called the Lock() should be called once!
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <param name="color"></param>
|
|||
|
public override void SetColorAt(int x, int y, Color color)
|
|||
|
{
|
|||
|
int offset = (x * 4) + (y * stride);
|
|||
|
pointer[PIXELFORMAT_INDEX_A + offset] = color.A;
|
|||
|
pointer[PIXELFORMAT_INDEX_R + offset] = color.R;
|
|||
|
pointer[PIXELFORMAT_INDEX_G + offset] = color.G;
|
|||
|
pointer[PIXELFORMAT_INDEX_B + offset] = color.B;
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Get the color from the specified location into the specified array
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <param name="color">byte[4] as reference (r,g,b,a)</param>
|
|||
|
public override void GetColorAt(int x, int y, byte[] color)
|
|||
|
{
|
|||
|
int offset = (x * 4) + (y * stride);
|
|||
|
color[COLOR_INDEX_R] = pointer[PIXELFORMAT_INDEX_R + offset];
|
|||
|
color[COLOR_INDEX_G] = pointer[PIXELFORMAT_INDEX_G + offset];
|
|||
|
color[COLOR_INDEX_B] = pointer[PIXELFORMAT_INDEX_B + offset];
|
|||
|
color[COLOR_INDEX_A] = pointer[PIXELFORMAT_INDEX_A + offset];
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Set the color at the specified location from the specified array
|
|||
|
/// </summary>
|
|||
|
/// <param name="x"></param>
|
|||
|
/// <param name="y"></param>
|
|||
|
/// <param name="color">byte[4] as reference (r,g,b,a)</param>
|
|||
|
public override void SetColorAt(int x, int y, byte[] color)
|
|||
|
{
|
|||
|
int offset = (x * 4) + (y * stride);
|
|||
|
pointer[PIXELFORMAT_INDEX_R + offset] = color[COLOR_INDEX_R]; // R
|
|||
|
pointer[PIXELFORMAT_INDEX_G + offset] = color[COLOR_INDEX_G];
|
|||
|
pointer[PIXELFORMAT_INDEX_B + offset] = color[COLOR_INDEX_B];
|
|||
|
pointer[PIXELFORMAT_INDEX_A + offset] = color[COLOR_INDEX_A];
|
|||
|
}
|
|||
|
|
|||
|
/// <summary>
|
|||
|
/// Retrieve the color, without alpha (is blended), at location x,y
|
|||
|
/// Before the first time this is called the Lock() should be called once!
|
|||
|
/// </summary>
|
|||
|
/// <param name="x">X coordinate</param>
|
|||
|
/// <param name="y">Y Coordinate</param>
|
|||
|
/// <returns>Color</returns>
|
|||
|
public Color GetBlendedColorAt(int x, int y)
|
|||
|
{
|
|||
|
int offset = (x * 4) + (y * stride);
|
|||
|
int a = pointer[PIXELFORMAT_INDEX_A + offset];
|
|||
|
int red = pointer[PIXELFORMAT_INDEX_R + offset];
|
|||
|
int green = pointer[PIXELFORMAT_INDEX_G + offset];
|
|||
|
int blue = pointer[PIXELFORMAT_INDEX_B + offset];
|
|||
|
|
|||
|
if (a < 255)
|
|||
|
{
|
|||
|
// As the request is to get without alpha, we blend.
|
|||
|
int rem = 255 - a;
|
|||
|
red = (red * a + BackgroundBlendColor.R * rem) / 255;
|
|||
|
green = (green * a + BackgroundBlendColor.G * rem) / 255;
|
|||
|
blue = (blue * a + BackgroundBlendColor.B * rem) / 255;
|
|||
|
}
|
|||
|
return Color.FromArgb(255, red, green, blue);
|
|||
|
}
|
|||
|
}
|
|||
|
}
|