PDFOffice_Windows_exe/PDF Office/Views/BOTA/AnnotationListItem.xaml.cs

using ComPDFKit.Import;
using ComPDFKit.PDFAnnotation;
using ComPDFKit.PDFDocument;
using ComPDFKit.PDFPage;
using ComPDFKitViewer;
using ComPDFKitViewer.AnnotEvent;
using ComPDFKitViewer.PdfViewer;
using PDF_Office.Helper;
using PDF_Office.Model.BOTA;
using PDF_Office.ViewModels.BOTA;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Forms;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using static Dropbox.Api.Files.SearchMatchTypeV2;

namespace PDF_Office.Views.BOTA
{
    /// <summary>
    /// AnnotationListItem.xaml 的交互逻辑
    /// </summary>
    public partial class AnnotationListItem : System.Windows.Controls.UserControl
    {
        //private Brush strikeoutColor = new SolidColorBrush(Color.FromRgb(0xFF, 0xBB, 0x00));
        public AnnotationListItem()
        {
            InitializeComponent();
        }

        private void GridIco_Loaded(object sender, RoutedEventArgs e)
        {
            Grid grid = e.Source as Grid;
            var args = grid.DataContext as AnnotationHandlerEventArgs;
            AnnotHandlerEventArgs data = args.AnnotHandlerEventArgs;
            TxbMarkupContent.Text = data.MarkupContent;
            TxbContent.Text = data.Content;
            if (data == null)
            {
                return;
            }

            switch (data.EventType)
            {
                case AnnotArgsType.AnnotFreeText:
                    BtnAnnotFreeText.Visibility = Visibility.Visible;
                    TxbMarkupContent.Foreground = new SolidColorBrush((data as FreeTextAnnotArgs).FontColor);
                    break;

                case AnnotArgsType.AnnotHighlight:
                    BtnHighlight.Visibility = Visibility.Visible;
                    PathHighlight.Background = new SolidColorBrush((data as TextHighlightAnnotArgs).Color);
                    //BOTA - 注释，MVP不处理高亮 / 下划线 / 删除线的样式，只显示文字
                    //if (!string.IsNullOrEmpty(TxbMarkupContent.Text))
                    //{
                    //    TxbMarkupContent.Background = new SolidColorBrush((data as TextHighlightAnnotArgs).Color);
                    //}

                    break;

                case AnnotArgsType.AnnotFreehand:
                    BtnFreeHand.Visibility = Visibility.Visible;
                    PathFreehand.Fill = new SolidColorBrush((data as FreehandAnnotArgs).InkColor);
                    ImageContext.Visibility = Visibility.Visible;

                    TxbMarkupContent.Visibility = Visibility.Collapsed;

                    SetImageContext(args, data as FreehandAnnotArgs);

                    //var encoder = new PngBitmapEncoder();
                    //encoder.Frames.Add(BitmapFrame.Create((BitmapSource)ImageContext.Source));
                    //FileStream file = new FileStream(String.Format($@"C:\Users\oyxh\Desktop\images\PDFText\{data.AnnotIndex}.png"), FileMode.Create);
                    //encoder.Save(file);
                    //file.Close();

                    break;

                case AnnotArgsType.AnnotSquiggly://波浪线
                    AnnotSquiggly.Visibility = Visibility.Visible;
                    AnnotSquigglycolor.Stroke = new SolidColorBrush((data as TextSquigglyAnnotArgs).Color);

                    #region TO DO

                    //TextDecoration mySquiggly = new TextDecoration();
                    //Pen myPen = new Pen();
                    //myPen.Brush = new SolidColorBrush((data as TextSquigglyAnnotArgs).Color);
                    //myPen.Brush.Opacity = 0.8;
                    //myPen.Thickness = 2;
                    //myPen.DashStyle = DashStyles.Dash;
                    //mySquiggly.Pen = myPen;
                    //mySquiggly.PenThicknessUnit = TextDecorationUnit.FontRecommended;

                    //TextDecorationCollection myCollection = new TextDecorationCollection();
                    //myCollection.Add(mySquiggly);
                    //TxbContext.TextDecorations = myCollection;

                    #endregion TO DO

                    break;

                case AnnotArgsType.AnnotStamp:
                    BtnAnnotStamp.Visibility = Visibility.Visible;
                    break;

                case AnnotArgsType.AnnotStrikeout://删除线
                    BtnAnnotStrikeout.Visibility = Visibility.Visible;

                    PathStrikeoutyColor.Fill = new SolidColorBrush((data as TextStrikeoutAnnotArgs).Color);

                    #region to do

                    //TextDecoration myStrikeout = new TextDecoration();
                    //Pen myPen2 = new Pen();
                    //myPen2.Brush = new SolidColorBrush((data as TextStrikeoutAnnotArgs).Color);
                    //myPen2.Brush.Opacity = 0.8;
                    //myPen2.Thickness = 2;
                    //myStrikeout.Pen = myPen2;
                    //myStrikeout.PenOffset = -4;
                    //myStrikeout.PenThicknessUnit = TextDecorationUnit.FontRecommended;
                    //TextDecorationCollection myCollection2 = new TextDecorationCollection();
                    //myCollection2.Add(myStrikeout);
                    ////因为波浪线无法实现 暂时只显示文字 不显示下划线，删除线等
                    //TxbMarkupContent.TextDecorations = myCollection2;

                    #endregion to do

                    break;

                case AnnotArgsType.AnnotSticky://便签
                    BtnAnnotSticky.Visibility = Visibility;
                    PathSticky.Fill = new SolidColorBrush((data as StickyAnnotArgs).Color);
                    break;

                case AnnotArgsType.AnnotUnderline:
                    BtnUnderLine.Visibility = Visibility.Visible;
                    RectangleUnderline.Fill = new SolidColorBrush((data as TextUnderlineAnnotArgs).Color);

                    #region TO DO

                    //TextDecoration myUnderline = new TextDecoration();
                    //Pen myPen1 = new Pen();
                    //myPen1.Brush = new SolidColorBrush((data as TextUnderlineAnnotArgs).Color);
                    //myPen1.Brush.Opacity = 0.8;
                    //myPen1.Thickness = 2;
                    //myUnderline.Pen = myPen1;
                    //myUnderline.PenThicknessUnit = TextDecorationUnit.FontRecommended;
                    //TextDecorationCollection myCollection1 = new TextDecorationCollection();
                    //myCollection1.Add(myUnderline);
                    //TxbMarkupContent.TextDecorations = myCollection1;

                    #endregion TO DO

                    break;

                case AnnotArgsType.AnnotLine:
                    if ((data as LineAnnotArgs).HeadLineType >= (C_LINE_TYPE)1 || (data as LineAnnotArgs).TailLineType >= (C_LINE_TYPE)1)
                    {
                        BtnSharpArrow.Visibility = Visibility.Visible;
                        PathArrow.Fill = new SolidColorBrush((data as LineAnnotArgs).LineColor);
                    }
                    else
                    {
                        PathSharpLine.Fill = new SolidColorBrush((data as LineAnnotArgs).LineColor);
                        BtnSharpLine.Visibility = Visibility.Visible;
                    }
                    ///对于形状注释等只有Note 的处理
                    if (!string.IsNullOrEmpty(data.Content) && string.IsNullOrEmpty(data.MarkupContent))
                    {
                        TxbMarkupContent.Text = Regex.Replace(data.Content, "[\r\n]", " ");
                        TxbMarkupContent.Text = "";
                    }
                    break;

                case AnnotArgsType.AnnotSquare:
                    BtnAnnotSquare.Visibility = Visibility.Visible;
                    RectAnnotSquare.Stroke = new SolidColorBrush((data as SquareAnnotArgs).LineColor);
                    RectAnnotSquare.Fill = new SolidColorBrush((data as SquareAnnotArgs).BgColor);
                    ///对于形状注释等只有Note 的处理
                    if (!string.IsNullOrEmpty(data.Content) && string.IsNullOrEmpty(data.MarkupContent))
                    {
                        TxbMarkupContent.Text = Regex.Replace(data.Content, "[\r\n]", " ");
                        TxbMarkupContent.Text = "";
                    }
                    break;

                case AnnotArgsType.AnnotCircle:
                    BtnAnnotCircle.Visibility = Visibility.Visible;
                    EllipseCircle.Stroke = new SolidColorBrush((data as CircleAnnotArgs).LineColor);
                    EllipseCircle.Fill = new SolidColorBrush((data as CircleAnnotArgs).BgColor);
                    ///对于形状注释等只有Note 的处理
                    if (!string.IsNullOrEmpty(data.Content) && string.IsNullOrEmpty(data.MarkupContent))
                    {
                        TxbMarkupContent.Text = Regex.Replace(data.Content, "[\r\n]", " ");
                        TxbMarkupContent.Text = "";
                    }
                    break;

                case AnnotArgsType.AnnotLink:
                    BtnAnnotLink.Visibility = Visibility.Visible;
                    if (data is LinkAnnotArgs linkAnnotArgs)
                    {
                        if (string.IsNullOrEmpty(linkAnnotArgs.Content))
                        {
                            if (linkAnnotArgs.DestIndex != -1)
                            {
                                TxbMarkupContent.Text = string.Format($"To Page {linkAnnotArgs.DestIndex + 1}");
                            }
                            else
                            {
                                TxbMarkupContent.Text = string.Format($"{linkAnnotArgs.URI}");
                            }
                        }
                    }

                    break;

                default:
                    break;
            }
        }

        private void SetImageContext(AnnotationHandlerEventArgs args, FreehandAnnotArgs freehandAnnotArgs)
        {
            double width = args.WriteableBitmap.Width;
            double height = args.WriteableBitmap.Height;

            #region 方案一

            CPDFDocument doc = args.Document;
            CPDFPage docPage = doc.PageAtIndex(args.PageIndex, false);
            if (docPage != null)
            {
                //BitmapImage bitmapImage = new BitmapImage();
                //bitmapImage.BeginInit();
                //bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
                //bitmapImage.StreamSource = args.WriteableBitmap.StreamSource;

                //switch (docPage.Rotation)
                //{
                //    case 0:
                //        bitmapImage.Rotation = Rotation.Rotate0;
                //        break;

                //    case 1:
                //        bitmapImage.Rotation = Rotation.Rotate90;
                //        break;

                //    case 2:
                //        bitmapImage.Rotation = Rotation.Rotate180;
                //        break;

                //    case 3:
                //        bitmapImage.Rotation = Rotation.Rotate270;
                //        break;
                //}
                //bitmapImage.EndInit();
                //ImageContext.Source = bitmapImage;

                //switch (rotate)
                //{
                //    case 0:
                //        RotateTransform rotateTransform = new RotateTransform(0);
                //        ImageContext.RenderTransform = rotateTransform;
                //        break;

                //    case 1:
                //        //rotateTransform = new RotateTransform(90);//90度
                //        //ImageContext.RenderTransform = rotateTransform;
                //        TransformGroup tg = ImageContext.RenderTransform as TransformGroup;
                //        var tgnew = tg.CloneCurrentValue();
                //        if (tgnew != null)
                //        {
                //            RotateTransform rt = tgnew.Children[2] as RotateTransform;
                //            ImageContext.RenderTransformOrigin = new Point(0.5, 0.5);
                //            rt.Angle = 90;
                //        }

                //        // 重新给图像赋值Transform变换属性
                //        ImageContext.RenderTransform = tgnew;
                //        break;

                //    case 2:
                //        rotateTransform = new RotateTransform(180);
                //        ImageContext.RenderTransform = rotateTransform;
                //        break;

                //    case 3:
                //        rotateTransform = new RotateTransform(270);
                //        ImageContext.RenderTransform = rotateTransform;
                //        break;
                //}
            }

            #endregion 方案一

            if (width > 180)
            {
                ImageContext.Stretch = Stretch.Uniform;
            }
            else
            {
                if (height >= 900)
                {
                    ImageContext.MaxHeight = 900;
                    ImageContext.Stretch = Stretch.Uniform;
                }

                if (height < 900)
                {
                    if (height <= 20)
                    {
                        ImageContext.MinHeight = height;
                        ImageContext.MinHeight = 30;
                    }
                    ImageContext.Stretch = Stretch.None;
                }
                else
                {
                    ImageContext.Stretch = Stretch.Uniform;
                }
            }
        }
    }
}