Bitmap objBmpImage = new Bitmap(1, 1);
int intWidth = 0;
int intHeight = 0;

// Create a graphics object to measure the text's width and height.
Graphics objGraphics = Graphics.FromImage(objBmpImage);

// This is where the bitmap size is determined.
StringFormat format1 = new StringFormat(StringFormat.GenericTypographic);
format1.FormatFlags = StringFormatFlags.NoClip;
intWidth = (int)objGraphics.MeasureString(sImageText, objFont, 100000, new StringFormat(format1)).Width;
intHeight = (int)objGraphics.MeasureString(sImageText, objFont).Height;

// Create the bmpImage again with the correct size for the text and font.
if (intWidth == 0 || intHeight == 0)
objBmpImage = new Bitmap(objBmpImage, new Size(1, 1));
else
objBmpImage = new Bitmap(objBmpImage, new Size(intWidth, intHeight));
//Remake the graphics object with the new bitmap
objGraphics = Graphics.FromImage(objBmpImage);

// Determine rendering settings
//objGraphics.Clear(Color.FromArgb(150, Color.White));//<- use this if you need to check the rendered textbox!
objGraphics.Clear(Color.Transparent);//<- use this for live version!
objGraphics.SmoothingMode = SmoothingMode.AntiAlias;
objGraphics.TextRenderingHint = TextRenderingHint.AntiAlias;
objGraphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
objGraphics.PixelOffsetMode = PixelOffsetMode.HighQuality;         
   
string[] colorVals = functions.htmlHexToRGB(FontColor).Split(' ');
int red = int.Parse(colorVals[0]);
int green = int.Parse(colorVals[1]);
int blue = int.Parse(colorVals[2]);

//Draw the string
if (intWidth == 0 || intHeight == 0)
objGraphics.DrawString(sImageText, objFont, new SolidBrush(Color.Transparent), 0, 0);
else
{
StringFormat sFormat = new StringFormat(StringFormat.GenericTypographic);                
sFormat.Alignment = StringAlignment.Near;
sFormat.FormatFlags = StringFormatFlags.NoClip;
                
objGraphics.DrawString(sImageText, objFont, new SolidBrush(Color.FromArgb(red, green, blue)), 0, 0, sFormat);
}

//Clear the graphics object
objGraphics.Flush();

//Get the textbox' original width&height
int textBoxHeight = objBmpImage.Height;
int textBoxWidth = objBmpImage.Width;

//convert radians to degrees
float r = ((float)Rotatie * -1);//0;
//Call the rotate function. (Point X/Y need to be the center of the object!)
objBmpImage = RotateImage(factor, objBmpImage, new PointF((float)objBmpImage.Width / 2, (float)objBmpImage.Height / 2), r);

//Get the new height. Since it's a square, width&height are the same
int boundingBoxHeight = objBmpImage.Height;

//Make a Bitmap with the size of the final PDF
Bitmap bmpPage = new Bitmap(pdf_width, pdf_height, PixelFormat.Format32bppArgb);

//Make new graphics object
Graphics gfxPage = Graphics.FromImage(bmpPage);

//define rendering option
gfxPage.SmoothingMode = SmoothingMode.AntiAlias;
gfxPage.InterpolationMode = InterpolationMode.HighQualityBicubic;
gfxPage.PixelOffsetMode = PixelOffsetMode.HighQuality;
gfxPage.Clear(Color.Transparent);

/*
* This is for positioning the block correctly!
* Since the square is larger than the real thing, you need to compensate to get the text placed correctly 
*/
int xText = x - ((boundingBoxHeight - textBoxWidth) / 2);
int yText = y - ((boundingBoxHeight / 2) - (textBoxHeight / 2));

//Draw the final image
gfxPage.DrawImage(objBmpImage, new Rectangle(xText, yText, WIDTH?, HEIGHT?), 0, 0, pdf_width, pdf_height, GraphicsUnit.Pixel);

return (bmpPage);