ScreenToGif/ImageUtil/ImageMethods.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Collections.Generic;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using ScreenToGif.Util;
using Color = System.Drawing.Color;
using Image = System.Drawing.Image;
using PixelFormat = System.Windows.Media.PixelFormat;
using Size = System.Drawing.Size;
using ScreenToGif.ImageUtil.Decoder;
using ScreenToGif.Util.Model;

namespace ScreenToGif.ImageUtil
{
    /// <summary>
    /// Image algorithms.
    /// </summary>
    public static class ImageMethods
    {
        #region Paint Transparent

        /// <summary>
        /// Analizes all frames (from the end to the start) and paints all unchanged pixels with a given color, 
        /// after, it cuts the image to reduce filesize.
        /// </summary>
        /// <param name="listToEncode">The list of frames to analize.</param>
        /// <param name="transparent">The color to paint the unchanged pixels.</param>
        /// <param name="id">The Id of the current Task.</param>
        /// <param name="tokenSource">The cancelation token source.</param>
        /// <returns>A List contaning all frames and its cut points</returns>
        public static List<FrameInfo> PaintTransparentAndCut(List<FrameInfo> listToEncode, Color transparent, int id, CancellationTokenSource tokenSource)
        {
            //First frame rect.
            var size = listToEncode[0].Path.ScaledSize();
            listToEncode[0].Rect = new Int32Rect(0, 0, (int)size.Width, (int)size.Height);

            //End to start FOR
            for (var index = listToEncode.Count - 1; index > 0; index--)
            {
                #region Cancellation

                if (tokenSource.Token.IsCancellationRequested)
                {
                    Windows.Other.Encoder.SetStatus(Status.Canceled, id);

                    break;
                }

                #endregion

                #region For each Frame, from the end to the start