kmpdfkit_demo/Demo/Examples/Compdfkit.Controls/Common/BarControl/CPDFMeasureBarControl.xaml.cs

using ComPDFKit.Measure;
using ComPDFKit.PDFAnnotation;
using ComPDFKit.Tool;
using ComPDFKit.Controls.Helper;
using ComPDFKit.Controls.Measure;
using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Media;
using System.Windows.Shapes;
using static ComPDFKit.Controls.Helper.PanelState;

namespace ComPDFKit.Controls.PDFControl
{
    public partial class CPDFMeasureBarControl : UserControl
    {
        #region Data

        private bool isFirstLoad = true;

        private static string line = LanguageHelper.ToolBarManager.GetString("Button_Line");
        private static string multiline = LanguageHelper.ToolBarManager.GetString("Button_Multiline");
        private static string polygonal = LanguageHelper.ToolBarManager.GetString("Button_Polygonal");
        private static string rectangles = LanguageHelper.ToolBarManager.GetString("Button_Rectangle");

        readonly Dictionary<string, string> buttonDict = new Dictionary<string, string>
        {
            {line,"M18.2782 5.75646L14.7427 2.22093L13.5052 3.45837L15.9802 5.93333L14.9195 6.99399L12.4446 4.51903L10.6768 6.28679L13.1518 8.76175L12.0911 9.82241L9.61615 7.34745L7.84838 9.11522L10.3233 11.5902L9.26268 12.6508L6.78772 10.1759L5.01996 11.9436L7.49492 14.4186L6.43426 15.4793L3.9593 13.0043L2.72186 14.2417L6.25739 17.7773L18.2782 5.75646ZM15.8033 1.16027L14.7427 0.0996094L13.682 1.16027L1.6612 13.1811L0.600539 14.2417L1.6612 15.3024L5.19673 18.8379L6.25739 19.8986L7.31805 18.8379L19.3389 6.81712L20.3995 5.75646L19.3389 4.6958L15.8033 1.16027Z"},
            {multiline, "M1 3C1 1.89543 1.89543 1 3 1C3.83934 1 4.55793 1.51704 4.85462 2.25H16.1454C16.4421 1.51704 17.1607 1 18 1C19.1046 1 20 1.89543 20 3C20 3.83934 19.483 4.55793 18.75 4.85462V17V17.75H18H14.2011L15.0167 18.5765L14.0138 19.5928L11.9986 17.5505L11.4972 17.0423L11.9986 16.5342L14.0138 14.4918L15.0167 15.5082L14.2847 16.25H17.25V4.85462C16.7487 4.65168 16.3483 4.25135 16.1454 3.75H4.85462C4.65168 4.25135 4.25135 4.65168 3.75 4.85462V16.25H6.75V15H8.25V19H6.75V17.75H3H2.25V17V4.85462C1.51704 4.55793 1 3.83934 1 3Z"},
            {polygonal,"M1.87111 7.6963L10.5 1.42705L19.1289 7.6963L15.8329 17.8402H5.16705L1.87111 7.6963Z"},
            {rectangles,"M20.25 2.25H0.75V17.75H20.25V2.25ZM18.75 10.75V16.25H2.25V10.75H18.75ZM18.75 9.25V3.75H2.25V9.25H18.75ZM6.5 5.5H3.5V7.5H6.5V5.5ZM3.5 12.5H6.5V14.5H3.5V12.5Z"}
        };


        private PDFViewControl pdfViewer;
        private MeasurePropertyControl measurePropertyControl = null;
        private MeasureControl measureControl = null;

        private AnnotParam createLineMeasureParam = null;
        private AnnotParam createPolyLineMeasureParam = null;
        private AnnotParam createPolygonMeasureParam = null;
        private AnnotParam createRectangleMeasureParam = null;

        public enum MeasureType
        {
            UnKnown = -1,
            Line,
            Multiline,
            Polygonal,
            Rectangles
        }

        private PanelState panelState = PanelState.GetInstance();

        private MeasureType StringToType(string type)
        {
            if (type == line)
                return MeasureType.Line;
            if (type == multiline)
                return MeasureType.Multiline;
            if (type == polygonal)
                return MeasureType.Polygonal;
            if (type == rectangles)
                return MeasureType.Rectangles;

            return MeasureType.UnKnown;
        }


        #endregion

        #region Create Default UI

        public CPDFMeasureBarControl()
        {
            InitializeComponent();
        }

        private void UserControl_Loaded(object sender, RoutedEventArgs e)
        {
            if (isFirstLoad)
            {
                foreach (KeyValuePair<string, string> data in buttonDict)
                {
                    string Path = data.Value;
                    string name = data.Key;

                    Geometry annotationGeometry = Geometry.Parse(Path);
                    Path path = new Path
                    {
                        Width = 20,
                        Height = 20,
                        Data = annotationGeometry,
                        Fill = new SolidColorBrush(Color.FromRgb(0x43, 0x47, 0x4D)),
                    };
                    if (name == LanguageHelper.ToolBarManager.GetString("Button_Polygonal"))
                    {
                        path.Fill = null;
                        path.Stroke = new SolidColorBrush(Color.FromRgb(0x43, 0x47, 0x4D));
                        path.StrokeThickness = 1.5;
                    }
                    else if (name == LanguageHelper.ToolBarManager.GetString("Button_Rectangle"))
                    {
                        path.Fill = null;
                        path.Data = new RectangleGeometry(new Rect(3.25, 2.75, 14.5, 14.5));
                        path.Stroke = new SolidColorBrush(Color.FromRgb(0x43, 0x47, 0x4D));
                        path.StrokeThickness = 1.5;
                    }
                    CreateButtonForPath(path, name);
                }
                isFirstLoad = false;
            }
        }

        private void CreateButtonForPath(Path path, String name)
        {
            StackPanel stackPanel = new StackPanel();
            TextBlock textBlock = new TextBlock();
            if (path != null)
            {
                stackPanel.Orientation = Orientation.Horizontal;
                stackPanel.HorizontalAlignment = HorizontalAlignment.Center;
                stackPanel.Children.Add(path);
            }
            if (!string.IsNullOrEmpty(name))
            {
                textBlock.Text = name;
                textBlock.VerticalAlignment = VerticalAlignment.Center;
                textBlock.Margin = new Thickness(8, 0, 0, 0);
                textBlock.FontSize = 12;

                stackPanel.Children.Add(textBlock);
            }

            Style style = (Style)FindResource("RoundMarginToggleButtonStyle");
            ToggleButton button = new ToggleButton();
            button.BorderThickness = new Thickness(0);
            button.Padding = new Thickness(10, 5, 10, 5);
            button.Tag = name;
            button.ToolTip = name;
            button.Style = style;
            button.Content = stackPanel;
            button.Click += MeasureBtn_Click;
            MeasureGrid.Children.Add(button);
        }

        #endregion

        #region Even Process

        public void InitWithPDFViewer(PDFViewControl pdfViewer, MeasurePropertyControl FromProperty, MeasureControl parentControl)
        {
            this.pdfViewer = pdfViewer;
            measurePropertyControl = FromProperty;
            measureControl = parentControl;

            measurePropertyControl.LineMeasureParamChanged -= MeasurePropertyControl_LineMeasureParamChanged;
            measurePropertyControl.LineMeasureParamChanged -= MeasurePropertyControl_LineMeasureParamChanged;
            measurePropertyControl.PolygonMeasureParamChanged -= MeasurePropertyControl_PolygonMeasureParamChanged;

            measurePropertyControl.PolyLineMeasureParamChanged += MeasurePropertyControl_PolyLineMeasureParamChanged;
            measurePropertyControl.PolyLineMeasureParamChanged += MeasurePropertyControl_PolyLineMeasureParamChanged;
            measurePropertyControl.PolygonMeasureParamChanged += MeasurePropertyControl_PolygonMeasureParamChanged; 
        }

        private void MeasurePropertyControl_PolygonMeasureParamChanged(object sender, PolygonMeasureParam e)
        {
            createPolygonMeasureParam = e;
            pdfViewer.SetAnnotParam(e);
        }

        private void MeasurePropertyControl_PolyLineMeasureParamChanged(object sender, PolyLineMeasureParam e)
        {
            createPolyLineMeasureParam = e;
            pdfViewer.SetAnnotParam(e);
        }

        private void MeasurePropertyControl_LineMeasureParamChanged(object sender, LineMeasureParam e)
        {
            createLineMeasureParam = e;
            pdfViewer.SetAnnotParam(e);
        }

        public void ClearAllToolState()
        {
            foreach (UIElement child in MeasureGrid.Children)
            {
                if (child is ToggleButton toggle)
                {
                    toggle.IsChecked = false;
                }
            }
        }

        public bool ToolChecked()
        {
            foreach (UIElement child in MeasureGrid.Children)
            {
                if (child is ToggleButton toggle)
                {
                    if (toggle.IsChecked == true)
                    {
                        return true;
                    }
                }
            }
            return false;
        }

        private void ClearToolState(UIElement sender)
        {
            foreach (UIElement child in MeasureGrid.Children)
            {
                if (child is ToggleButton toggle && (child as ToggleButton) != (sender as ToggleButton))
                {
                    toggle.IsChecked = false;
                }
            }
            measurePropertyControl.CurrentCreateType = C_ANNOTATION_TYPE.C_ANNOTATION_NONE;
        }

        public AnnotParam GetAnnotParam(MeasureType measureType)
        {
            AnnotParam currentParam = null;
            switch (measureType)
            {
                case MeasureType.UnKnown:
                    break;
                case MeasureType.Line:
                    currentParam = CreateLine();
                    break;
                case MeasureType.Multiline:
                    currentParam = CreateMultiline();
                    break;
                case MeasureType.Polygonal:
                    currentParam = CreatePolygonal();
                    break;
                case MeasureType.Rectangles:
                    currentParam = CreateRectangles();
                    break;
                default:
                    break;
            }
            return currentParam;
        }

        private void MeasureBtn_Click(object sender, RoutedEventArgs e)
        {
            AnnotParam annotParam = null;
            ClearToolState(sender as ToggleButton);
            if ((bool)(sender as ToggleButton).IsChecked)
            {
                annotParam = GetAnnotParam(StringToType((sender as ToggleButton).Tag.ToString()));
            }
            else
            {
                pdfViewer.SetCreateAnnotType(C_ANNOTATION_TYPE.C_ANNOTATION_NONE);
                pdfViewer.SetToolType(ToolType.Pan);
                measureControl.SetInfoPanelVisble(false, false);
            }
            if (annotParam != null)
            {
                panelState.RightPanel = RightPanelState.PropertyPanel;
            }
            measurePropertyControl.SetPropertyForMeasureCreate(annotParam, null, pdfViewer);
        }

        #endregion

        #region Create Form
        private AnnotParam CreateLine()
        {
            pdfViewer.SetToolType(ToolType.CreateAnnot);
            pdfViewer.SetCreateAnnotType(C_ANNOTATION_TYPE.C_ANNOTATION_LINE);
            if (createLineMeasureParam == null)
            {
                createLineMeasureParam = new LineMeasureParam();
            }
            pdfViewer.SetAnnotParam(createLineMeasureParam);
            measureControl.SetMeasureInfoType(CPDFMeasureType.CPDF_DISTANCE_MEASURE);
            measureControl.SetInfoPanelVisble(true, false);
            var measureSetting = pdfViewer.PDFViewTool.GetMeasureSetting();
            measureControl.SetMeasureScale(CPDFMeasureType.CPDF_DISTANCE_MEASURE,
               string.Format("{0} {1} = {2} {3}",
                   measureSetting.RulerBase,
                   measureSetting.RulerBaseUnit,
                   measureSetting.RulerTranslate,
                   measureSetting.RulerTranslateUnit));
            return createLineMeasureParam;
        }


        private AnnotParam CreateMultiline()
        {
            pdfViewer.SetToolType(ToolType.CreateAnnot);
            pdfViewer.SetCreateAnnotType(C_ANNOTATION_TYPE.C_ANNOTATION_POLYLINE);

            if (createPolyLineMeasureParam == null)
            {
                createPolyLineMeasureParam = new PolyLineMeasureParam();
            }

            pdfViewer.SetAnnotParam(createPolyLineMeasureParam);
            measureControl.SetMeasureInfoType(CPDFMeasureType.CPDF_PERIMETER_MEASURE);
            measureControl.SetInfoPanelVisble(true, false);
            var measureSetting = pdfViewer.PDFViewTool.GetMeasureSetting();
            measureControl.SetMeasureScale(CPDFMeasureType.CPDF_PERIMETER_MEASURE,
               string.Format("{0} {1} = {2} {3}",
                   measureSetting.RulerBase,
                   measureSetting.RulerBaseUnit,
                   measureSetting.RulerTranslate,
                   measureSetting.RulerTranslateUnit));
            return createPolyLineMeasureParam;
        }

        private AnnotParam CreatePolygonalParam()
        {
            PolygonMeasureParam polygonMeasureParam = new PolygonMeasureParam();
            polygonMeasureParam.CurrentType = C_ANNOTATION_TYPE.C_ANNOTATION_POLYGON;
            polygonMeasureParam.LineColor = new byte[] { 255, 0, 0, };
            polygonMeasureParam.LineWidth = 2;
            polygonMeasureParam.Transparency = 255;
            polygonMeasureParam.FontColor = new byte[] { 255, 0, 0, };
            polygonMeasureParam.FontName = "Arial";
            polygonMeasureParam.FontSize = 14;
            polygonMeasureParam.IsMeasure = true;
            polygonMeasureParam.measureInfo = new CPDFMeasureInfo
            {
                Unit = CPDFMeasure.CPDF_CM,
                Precision = CPDFMeasure.PRECISION_VALUE_TWO,
                RulerBase = 1,
                RulerBaseUnit = CPDFMeasure.CPDF_CM,
                RulerTranslate = 1,
                RulerTranslateUnit = CPDFMeasure.CPDF_CM,
                CaptionType = CPDFCaptionType.CPDF_CAPTION_LENGTH | CPDFCaptionType.CPDF_CAPTION_AREA,
            };
            polygonMeasureParam.BorderStyle = C_BORDER_STYLE.BS_SOLID;
            polygonMeasureParam.BorderEffector = null;
            return polygonMeasureParam;
        }

        private AnnotParam CreatePolygonal()
        {
            pdfViewer.PDFViewTool.GetDefaultSettingParam().IsCreateSquarePolygonMeasure = false;
            pdfViewer.SetToolType(ToolType.CreateAnnot);
            pdfViewer.SetCreateAnnotType(C_ANNOTATION_TYPE.C_ANNOTATION_POLYGON);
            if(createPolygonMeasureParam == null)
            {
                createPolygonMeasureParam = CreatePolygonalParam();
            }
            pdfViewer.SetAnnotParam(createPolygonMeasureParam);
            measureControl.SetMeasureInfoType(CPDFMeasureType.CPDF_AREA_MEASURE);
            measureControl.SetInfoPanelVisble(true, false);
            var measureSetting = pdfViewer.PDFViewTool.GetMeasureSetting();
            measureControl.SetMeasureScale(CPDFMeasureType.CPDF_AREA_MEASURE,
                string.Format("{0} {1} = {2} {3}",
                    measureSetting.RulerBase,
                    measureSetting.RulerBaseUnit,
                    measureSetting.RulerTranslate,
                    measureSetting.RulerTranslateUnit));
            //    return polygonMeasureArgs;
            return createPolygonMeasureParam;
        }

        private AnnotParam CreateRectangleParam()
        {
            PolygonMeasureParam polygonMeasureParam = new PolygonMeasureParam();
            polygonMeasureParam.CurrentType = C_ANNOTATION_TYPE.C_ANNOTATION_POLYGON;
            polygonMeasureParam.LineColor = new byte[] { 255, 0, 0, };
            polygonMeasureParam.LineWidth = 2;
            polygonMeasureParam.Transparency = 255;
            polygonMeasureParam.FontColor = new byte[] { 255, 0, 0, };
            polygonMeasureParam.FontName = "Arial";
            polygonMeasureParam.FontSize = 14;
            polygonMeasureParam.measureInfo = new CPDFMeasureInfo
            {
                Unit = CPDFMeasure.CPDF_CM,
                Precision = CPDFMeasure.PRECISION_VALUE_TWO,
                RulerBase = 1,
                RulerBaseUnit = CPDFMeasure.CPDF_CM,
                RulerTranslate = 1,
                RulerTranslateUnit = CPDFMeasure.CPDF_CM,
                CaptionType = CPDFCaptionType.CPDF_CAPTION_LENGTH | CPDFCaptionType.CPDF_CAPTION_AREA,
            };
            return polygonMeasureParam;
        }
        private AnnotParam CreateRectangles()
        {
            pdfViewer.PDFViewTool.GetDefaultSettingParam().IsCreateSquarePolygonMeasure = true;
            pdfViewer.SetToolType(ToolType.CreateAnnot);
            pdfViewer.SetCreateAnnotType(C_ANNOTATION_TYPE.C_ANNOTATION_POLYGON);
            if(createRectangleMeasureParam == null)
            {
                createPolygonMeasureParam = CreateRectangleParam();
            } 
            pdfViewer.SetAnnotParam(createPolygonMeasureParam);
            measureControl.SetMeasureInfoType(CPDFMeasureType.CPDF_AREA_MEASURE);
            return createPolygonMeasureParam;
        }

        #endregion
    }
}