EnvelopeGenerator/EnvelopeGenerator.Application/Common/Extensions/GdPictureExtensions.cs

using EnvelopeGenerator.Application.Common.Dto.PSPDFKitInstant;
using EnvelopeGenerator.Domain.Constants;
using GdPicture14;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using SixLabors.ImageSharp;
using System.Drawing;
using EnvelopeGenerator.Application.Common.Extensions;
using EnvelopeGenerator.Application.Common.Interfaces.Model;
using EnvelopeGenerator.Application.Common.Configurations;

namespace EnvelopeGenerator.Application.Common.Extensions;

/// <summary>
/// 
/// </summary>
public static class GdPictureExtensions
{
    /// <summary>
    /// 
    /// </summary>
    /// <param name="manager"></param>
    /// <param name="x"></param>
    /// <param name="y"></param>
    /// <param name="width"></param>
    /// <param name="height"></param>
    /// <param name="page"></param>
    /// <param name="value"></param>
    /// <param name="textStyle"></param>
    public static void AddFormFieldValue(this AnnotationManager manager, double x, double y, double width, double height, int page, string value, ITextStyle textStyle)
    {
        manager.SelectPage(page);

        // Add the text annotation
        var ant = manager.AddTextAnnot((float)x, (float)y, (float)width, (float)height, value);

        // Set the font properties
        ant.FontName = textStyle.FontName;
        ant.FontSize = textStyle.FontSize;
        ant.FontStyle = textStyle.FontStyle;

        manager.SaveAnnotationsToPage();
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="manager"></param>
    /// <param name="pAnnotation"></param>
    /// <param name="formFieldValue"></param>
    /// <param name="options"></param>
    public static void AddFormFieldValue(this AnnotationManager manager, Annotation pAnnotation, FormFieldValue formFieldValue, PDFBurnerParams options)
    {
        var ffIndex = options.GetAnnotationIndex(pAnnotation.EgName);

        // Convert pixels to Inches
        var oBounds = pAnnotation.Bbox?.Select(points => points.ToInches()).ToList();

        if (oBounds is null || oBounds.Count < 4)
            return;

        double oX = oBounds[0];
        double oY = oBounds[1] + options.YOffset * ffIndex + options.TopMargin;
        double oWidth = oBounds[2];
        double oHeight = oBounds[3];

        manager.SelectPage(pAnnotation.PageIndex + 1);

        // Add the text annotation
        var ant = manager.AddTextAnnot((float)oX, (float)oY, (float)oWidth, (float)oHeight, formFieldValue.Value);

        // Set the font properties
        ant.FontName = options.FontName;
        ant.FontSize = options.FontSize;
        ant.FontStyle = options.FontStyle;

        manager.SaveAnnotationsToPage();
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="manager"></param>
    /// <param name="x"></param>
    /// <param name="y"></param>
    /// <param name="width"></param>
    /// <param name="height"></param>
    /// <param name="page"></param>
    /// <param name="base64"></param>
    public static void AddImageAnnotation(this AnnotationManager manager, double x, double y, double width, double height, int page, string base64)
    {
        manager.SelectPage(page);
        manager.AddEmbeddedImageAnnotFromBase64(base64, (float)x, (float)y, (float)width, (float)height);
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="manager"></param>
    /// <param name="pAnnotation"></param>
    /// <param name="pAttachments"></param>
    public static void AddImageAnnotation(this AnnotationManager manager, Annotation pAnnotation, Dictionary<string, Attachment> pAttachments)
    {
        var oAttachment = pAttachments
            .Where(a => a.Key == pAnnotation.ImageAttachmentId)
            .SingleOrDefault();

        if (oAttachment.Value == null)
            return;

        // Convert pixels to Inches
        var oBounds = pAnnotation.Bbox?.Select(post => post.ToInches()).ToList();

        if (oBounds is null || oBounds.Count < 4)
            return;

        var oX = oBounds[0];
        var oY = oBounds[1];
        var oWidth = oBounds[2];
        var oHeight = oBounds[3];

        manager.SelectPage(pAnnotation.PageIndex + 1);
        manager.AddEmbeddedImageAnnotFromBase64(oAttachment.Value.Binary, (float)oX, (float)oY, (float)oWidth, (float)oHeight);
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="manager"></param>
    /// <param name="page"></param>
    /// <param name="value"></param>
    public static void AddInkAnnotation(this AnnotationManager manager, int page, string value)
    {
        var ink = JsonConvert.DeserializeObject<Ink>(value);

        var oSegments = ink?.Lines.Points;
        var oColor = ColorTranslator.FromHtml(ink?.StrokeColor ?? "#000000");
        manager.SelectPage(page);

        if (oSegments is null)
            return;

        foreach (var oSegment in oSegments)
        {
            var oPoints = oSegment
                .Select(points => points.ToPointF())
                .ToArray();

            manager.AddFreeHandAnnot(oColor, oPoints);
        }
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="manager"></param>
    /// <param name="pAnnotation"></param>
    public static void AddInkAnnotation(this AnnotationManager manager, Annotation pAnnotation)
    {
        var oSegments = pAnnotation.Lines?.Points;
        var oColor = ColorTranslator.FromHtml(pAnnotation.StrokeColor ?? "#000000");
        manager.SelectPage(pAnnotation.PageIndex + 1);

        if (oSegments is null)
            return;

        foreach (var oSegment in oSegments)
        {
            var oPoints = oSegment
                .Select(points => points.ToPointF())
                .ToArray();

            manager.AddFreeHandAnnot(oColor, oPoints);
        }
    }
}