Merge pull request #1692 from syncfusion-content/989885-ug

989885-ug: Added missing cross-platform in work with text.

Author: chinnumuniyappan

Document-Processing/PDF/PDF-Library/NET/Working-with-Text.md

@@ -386,12 +386,33 @@ document.Close(True)
 
 You can download a complete working sample from [GitHub](https://github.com/SyncfusionExamples/PDF-Examples/tree/master/Text/Draw-text-in-PDF-document-using-standard-fonts/). 
 
-### Draw text using TrueType fonts
+### Draw Text using TrueType fonts
 
-You can add text using the TrueType fonts installed in the system, by initializing [PdfFont](https://help.syncfusion.com/cr/document-processing/Syncfusion.Pdf.Graphics.PdfFont.html) class as [PdfTrueTypeFont](https://help.syncfusion.com/cr/document-processing/Syncfusion.Pdf.Graphics.PdfTrueTypeFont.html) class. The following code snippet illustrates this.
+You can add text using TrueType fonts either installed on the system or provided as a font stream by initializing the [PdfFont](https://help.syncfusion.com/cr/document-processing/Syncfusion.Pdf.Graphics.PdfFont.html) class as a [PdfTrueTypeFont](https://help.syncfusion.com/cr/document-processing/Syncfusion.Pdf.Graphics.PdfTrueTypeFont.html). The following code Example demonstrates this approach.
 
 {% tabs %}
 
+{% highlight c# tabtitle="C# [Cross-platform]" %}
+
+//Create a new PDF document.
+PdfDocument document = new PdfDocument();
+//Add a page to the document.
+PdfPage page = document.Pages.Add();
+
+//Create PDF graphics for the page.
+PdfGraphics graphics = page.Graphics;
+//Provide the path of the local *.ttf file
+PdfFont font = new PdfTrueTypeFont("Arial.ttf", 14);
+//Draw the text.
+graphics.DrawString("Hello World!!!", font, PdfBrushes.Black, new PointF(0, 0));
+
+//Save the document.
+document.Save("Output.pdf");
+//Close the document.
+document.Close(true);
+
+{% endhighlight %}
+
 {% highlight c# tabtitle="C# [Windows-specific]" %}
 
 using Syncfusion.Pdf;
@@ -459,8 +480,7 @@ PdfPage page = document.Pages.Add();
 //Create PDF graphics for the page.
 PdfGraphics graphics = page.Graphics;
 //Load the TrueType font from the local *.ttf file.
-FileStream fontStream = new FileStream("Arial.ttf", FileMode.Open, FileAccess.Read);
-PdfFont font = new PdfTrueTypeFont(fontStream, 14);
+PdfFont font = new PdfTrueTypeFont("Arial.ttf", 14);
 //Draw the text.
 graphics.DrawString("Hello World!!!", font, PdfBrushes.Black, new Syncfusion.Drawing.PointF(0, 0));
 
@@ -716,10 +736,8 @@ using Syncfusion.Pdf.Graphics;
 PdfDocument document = new PdfDocument();
 //Add a page to the document 
 PdfPage page = document.Pages.Add();
-// Load the font file from the stream 
-FileStream fontStream = new FileStream(@"../../../arial.ttf", FileMode.Open, FileAccess.Read);
 //Create a new PDF font instance 
-PdfFont font = new PdfTrueTypeFont(fontStream, 14, PdfFontStyle.Italic);
+PdfFont font = new PdfTrueTypeFont("arial.ttf", 14, PdfFontStyle.Italic);
 //Create a new PDF string format instance 
 PdfStringFormat format = new PdfStringFormat();
 //Enable the measure tilting space      
@@ -774,10 +792,8 @@ Imports System.Drawing
 Dim document As PdfDocument = New PdfDocument() 
 'Add a page to the document 
 Dim page As PdfPage = document.Pages.Add() 
-'Load the font file from the stream 
-Dim fontStream As FileStream = New FileStream("font.ttf", FileMode.Open, FileAccess.Read) 
 'Create a new PDF font instance 
-Dim font As PdfFont = New PdfTrueTypeFont(fontStream, 14, PdfFontStyle.Italic) 
+Dim font As PdfFont = New PdfTrueTypeFont("font.ttf", 14, PdfFontStyle.Italic) 
 'Create a new PDF string format instance 
 Dim format As PdfStringFormat = New PdfStringFormat() 
 'Enable a measure tilting space  
@@ -1054,8 +1070,7 @@ PdfPage page = doc.Pages.Add();
 //Create PDF graphics for the page
 PdfGraphics graphics = page.Graphics;
 //Create a new PDF font instance
-FileStream fontStream = new FileStream("arial.ttf", FileMode.Open, FileAccess.Read);
-PdfFont font = new PdfTrueTypeFont(fontStream, 14);
+PdfFont font = new PdfTrueTypeFont("arial.ttf", 14);
 //Set the format for string
 PdfStringFormat format = new PdfStringFormat();
 //Set right-to-left text direction for RTL text
@@ -1065,8 +1080,7 @@ format.Alignment = PdfTextAlignment.Right;
 format.ParagraphIndent = 35f;
 
 //Read the text from file
-FileStream rtlText = new FileStream("Arabic.txt", FileMode.Open, FileAccess.Read);
-StreamReader reader = new StreamReader(rtlText, Encoding.Unicode);
+StreamReader reader = new StreamReader("Arabic.txt", Encoding.Unicode);
 string text = reader.ReadToEnd();
 reader.Dispose();
 //Draw string with right-to-left format
@@ -1451,8 +1465,7 @@ PdfPage page = document.Pages.Add();
 //Create PDF graphics for the page
 PdfGraphics graphics = page.Graphics;
 //Read the long text from the text file
-FileStream inputStream = new FileStream("Input.txt", FileMode.Open, FileAccess.Read);
-StreamReader reader = new StreamReader(inputStream, Encoding.ASCII);
+StreamReader reader = new StreamReader("Input.txt", Encoding.ASCII);
 string text = reader.ReadToEnd();
 reader.Dispose();
 const int paragraphGap = 10;
@@ -2022,9 +2035,8 @@ PdfPage page = doc.Pages.Add();
 
 //Create PDF graphics for the page
 PdfGraphics graphics = page.Graphics;
-FileStream fontStream = new FileStream("tahoma.ttf", FileMode.Open, FileAccess.Read);
 //Create a new PDF font instance
-PdfFont pdfFont = new PdfTrueTypeFont(fontStream, 10);
+PdfFont pdfFont = new PdfTrueTypeFont("tahoma.ttf", 10);
 //Set the format for string
 PdfStringFormat format = new PdfStringFormat();
 //Set the format as complex script layout type
@@ -2219,8 +2231,7 @@ PdfDocument document = new PdfDocument();
 PdfPage page = document.Pages.Add();
 
 //Create font
-FileStream fontFileStream = new FileStream("Font.otf", FileMode.Open, FileAccess.Read);
-PdfFont font = new PdfTrueTypeFont(fontFileStream, 14);
+PdfFont font = new PdfTrueTypeFont("Font.otf", 14);
 //Text to draw
 string text = "Syncfusion Essential PDF is a.NET Core PDF library used to create, read, and edit PDF files in any application";
 //Create a brush
@@ -2321,14 +2332,11 @@ PdfPage page = doc.Pages.Add();
 
 //Create PDF graphics for the page
 PdfGraphics graphics = page.Graphics;
-FileStream fontStream = new FileStream("tahoma.ttf", FileMode.Open, FileAccess.Read);
-FileStream fontStream1 = new FileStream("Arial.ttf", FileMode.Open, FileAccess.Read);
-FileStream fontStream2 = new FileStream("Calibri.ttf", FileMode.Open, FileAccess.Read);
 //Create a new PDF font instance
-PdfFont font = new PdfTrueTypeFont(fontStream, 8);
-PdfFont font1 = new PdfTrueTypeFont(fontStream1, 20);
+PdfFont font = new PdfTrueTypeFont("tahoma.ttf", 8);
+PdfFont font1 = new PdfTrueTypeFont("Arial.ttf", 20);
 PdfFont font2 = new PdfStandardFont(PdfFontFamily.Helvetica,16);
-PdfFont font3 = new PdfTrueTypeFont(fontStream2, 25);       
+PdfFont font3 = new PdfTrueTypeFont("Calibri.ttf", 25);       
 //Set the format for string
 PdfStringFormat format = new PdfStringFormat();
 //Set the line alignment