kmpdfkit_demo/compdfkit_demo_windows/compdfkit/compdfkit-tools/Annotation/PDFAnnotationPanel/PDFAnnotationUI/CPDFShapeUI.xaml.cs

using compdfkit_tools.Common;
using compdfkit_tools.Data;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace compdfkit_tools.PDFControlUI
{
    /// <summary>
    /// CPDFRectUI.xaml 的交互逻辑
    /// </summary>
    public partial class CPDFShapeUI : UserControl
    {
        private AnnotationType currentAnnotationType;

        public event EventHandler<CPDFAnnotationData> PropertyChanged;

        public CPDFShapeUI()
        {
            InitializeComponent();
            BorderColorPickerControl.ColorChanged += BorderColorPickerControl_ColorChanged;
            CPDFOpacityControl.OpacityChanged += CPDFOpacityControl_OpacityChanged;
            CPDFThicknessControl.ThicknessChanged += CPDFThicknessControl_ThicknessChanged;
        }

        private void CPDFThicknessControl_ThicknessChanged(object sender, EventArgs e)
        {
            PropertyChanged?.Invoke(this, GetShapeData());
        }

        private void CPDFOpacityControl_OpacityChanged(object sender, EventArgs e)
        {
            PropertyChanged?.Invoke(this, GetShapeData());
        }

        private void BorderColorPickerControl_ColorChanged(object sender, EventArgs e)
        {
            PropertyChanged?.Invoke(this, GetShapeData());
        }

        private void FillColorPickerControl_ColorChanged(object sender, EventArgs e)
        {
            PropertyChanged?.Invoke(this, GetShapeData());
        }

        private void CPDFArrowControl_ArrowChanged(object sender, EventArgs e)
        {
            PropertyChanged?.Invoke(PropertyChanged, GetShapeData());
        }

        public DashStyle CalculateDashStyle(CPDFDash pdfDash, int Thickness )
        {
            DashStyle dashStyle = new DashStyle();
            if (pdfDash.IsSolid)
            {
                dashStyle = DashStyles.Solid;
                return dashStyle;
            }
            else
            {
                dashStyle.Dashes.Add(pdfDash.DashSpacing / Thickness);
                dashStyle.Dashes.Add(pdfDash.DashSpacing / Thickness);
                return dashStyle;
            }
        }

        public CPDFAnnotationData GetShapeData()
        {
            if (currentAnnotationType == AnnotationType.Circle || currentAnnotationType == AnnotationType.Square)
            {
                CPDFShapeData pdfShapeData = new CPDFShapeData();
                pdfShapeData.AnnotationType = currentAnnotationType;
                pdfShapeData.BorderColor = ((SolidColorBrush)BorderColorPickerControl.Brush).Color;
                pdfShapeData.FillColor = ((SolidColorBrush)FillColorPickerControl.Brush).Color;
                pdfShapeData.Opacity = CPDFOpacityControl.OpacityValue / 100.0;
                pdfShapeData.Thickness = CPDFThicknessControl.Thickness;
                pdfShapeData.DashStyle = CalculateDashStyle(CPDFLineStyleControl.CPDFDash, CPDFThicknessControl.Thickness);
                pdfShapeData.LineType = CPDFArrowControl.LineType;
                pdfShapeData.Note = NoteTextBox.Text;
                return pdfShapeData;
            }
            else
            {
                CPDFLineShapeData pdfLineShapeData = new CPDFLineShapeData();
                pdfLineShapeData.AnnotationType = currentAnnotationType;
                pdfLineShapeData.BorderColor = ((SolidColorBrush)BorderColorPickerControl.Brush).Color;
                pdfLineShapeData.Opacity = CPDFOpacityControl.OpacityValue / 100.0;
                pdfLineShapeData.LineType = CPDFArrowControl.LineType;
                pdfLineShapeData.Thickness = CPDFThicknessControl.Thickness;
                pdfLineShapeData.DashStyle = CalculateDashStyle(CPDFLineStyleControl.CPDFDash, CPDFThicknessControl.Thickness);
                pdfLineShapeData.Note = NoteTextBox.Text;
                return pdfLineShapeData;
            }
        }

        public void InitWhenRectAndRound()
        {
            FillColorStackPanel.Visibility = Visibility.Visible;
            ArrowStackPanel.Visibility = Visibility.Collapsed;

            FillColorPickerControl.ColorChanged += FillColorPickerControl_ColorChanged;
            CPDFArrowControl.ArrowChanged -= CPDFArrowControl_ArrowChanged;
        }

        public void InitWhenArrowAndLine()
        {
            FillColorStackPanel.Visibility = Visibility.Collapsed;
            ArrowStackPanel.Visibility = Visibility.Visible;

            CPDFArrowControl.ArrowChanged += CPDFArrowControl_ArrowChanged;
            FillColorPickerControl.ColorChanged -= FillColorPickerControl_ColorChanged;
        }



        public void InitWithAnnotationType(AnnotationType annotationType)
        {
            switch (annotationType)
            {
                case AnnotationType.Square:
                    TitleTextBlock.Text = "Square";
                    InitWhenRectAndRound();
                    break;
                case AnnotationType.Circle:
                    TitleTextBlock.Text = "Circle";
                    InitWhenRectAndRound();
                    break;
                case AnnotationType.Arrow:
                    TitleTextBlock.Text = "Arrow";
                    InitWhenArrowAndLine();
                    break;
                case AnnotationType.Line:
                    TitleTextBlock.Text = "Line";
                    InitWhenArrowAndLine();
                    break;
                default:
                    throw new ArgumentException("Not Excepted Argument");
            }
            currentAnnotationType = annotationType;
        }
    }
}