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EquationSaver.cs
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EquationSaver.cs
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using System;
using System.Drawing;
using System.IO;
using Aspose.Words;
using Aspose.Words.Math;
using Microsoft.Office.Interop.Word;
using Document = Microsoft.Office.Interop.Word.Document;
using Range = Microsoft.Office.Interop.Word.Range;
namespace WordEquationToImageConverter
{
public class EquationSaver
{
private int _equationNumber;
public EquationSaver()
{
}
public void SelectAllEquations()
{
Application word = new Application();
Document sourceDocument = word.Documents.Open(@"C:\Users\Wesam Nabeel\testsubject.docx");
Document targetDocument = word.Documents.Add();
int equationCount = 0;
OMaths equations = sourceDocument.OMaths;
Console.WriteLine(equations.Count + " found in the file");
foreach (OMath mathObject in equations)
{
mathObject.Range.CopyAsPicture();
targetDocument.Content.InsertAfter("\n");
targetDocument.Range(targetDocument.Content.End - 1, targetDocument.Content.End).Paste();
equationCount++;
}
targetDocument.SaveAs2(@"C:\Users\Wesam Nabeel\equationsFile.docx");
Console.WriteLine("done!" + equationCount + " converted!");
Console.ReadKey();
sourceDocument.Close();
targetDocument.Close();
word.Quit();
}
public void SaveEquation()
{
Application app = new Application();
Document doc = app.Documents.Add();
app.AutomationSecurity = Microsoft.Office.Core.MsoAutomationSecurity.msoAutomationSecurityLow;
app.Visible = true;
string text = File.ReadAllText(@"C:\Users\Wesam Nabeel\filename.txt");
Console.WriteLine(text);
var range = doc.Range();
range.Text = "The equation x^2 + y^2 is:";
range.InsertParagraphAfter();
var equationss = doc.OMaths.Add(range);
equationss.Text = text;
foreach(OMath omath in range.OMaths)
{
omath.BuildUp();
}
Console.WriteLine("Confirm");
Console.ReadKey();
doc.SaveAs2(@"C:\Users\Wesam Nabeel\testingIt.docx");
doc.Close();
app.Quit();
// Load the word document
Aspose.Words.Document asposeDoc = new Aspose.Words.Document(@"C:\Users\Wesam Nabeel\testingIt.docx");
// Find all equations in the document
foreach (Aspose.Words.Paragraph paragraph in asposeDoc.Document.GetChildNodes(NodeType.Paragraph, true))
{
NodeCollection equations = paragraph.GetChildNodes(NodeType.OfficeMath, false);
foreach (OfficeMath equation in equations)
{
Bitmap image = GetEquationImage(equation);
// Save the equation as an image
image.Save(@"F:\Work\Chemistry 6th Feb 2023\equation test\equ" + DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss") + ".png", System.Drawing.Imaging.ImageFormat.Png);
}
}
}
private Bitmap GetEquationImage(OfficeMath equation)
{
SizeF size = GetImageSize(equation);
int width = (int)Math.Ceiling(size.Width);
int height = (int)Math.Ceiling(size.Height);
Bitmap image = new Bitmap(width, height);
Graphics graphics = Graphics.FromImage(image);
equation.GetMathRenderer().RenderToScale(graphics, 0f, 0f, 10);
return image;
}
private SizeF GetImageSize(OfficeMath equation)
{
Bitmap placeHolderImage = new Bitmap(1, 1);
Graphics placeHolderGraphics = Graphics.FromImage(placeHolderImage);
SizeF size = equation.GetMathRenderer().RenderToScale(placeHolderGraphics, 0f, 0f, 10);
return size;
}
}
}