GDIGraphics from CMYk

string str = "Aurigma";
System.Drawing.SizeF size = System.Drawing.SizeF.Empty;
System.Drawing.Font font = new System.Drawing.Font("Arial", 14);
System.Drawing.SolidBrush brush = new System.Drawing.SolidBrush(System.Drawing.Color.Red);
Aurigma.GraphicsMill.Bitmap bmp = new Aurigma.GraphicsMill.Bitmap(@"d:/images/test/cmyk32.jpg");
	
// Measure string.
Aurigma.GraphicsMill.Bitmap tempBmp = new Aurigma.GraphicsMill.Bitmap(100, 100, 
    Aurigma.GraphicsMill.PixelFormat.Format24bppRgb);
System.Drawing.Graphics gdipGraphics = tempBmp.GetGdiplusGraphics();
try
{
	size = gdipGraphics.MeasureString(str, font);
}
finally
{
	gdipGraphics.Dispose();
	tempBmp.Dispose();
}
	
// Create temporary bitmap 32bpp ARGB bitmap and draw string on it.
Aurigma.GraphicsMill.Bitmap textBitmap = new Aurigma.GraphicsMill.Bitmap(System.Convert.ToInt32(size.Width), 
    System.Convert.ToInt32(size.Height), Aurigma.GraphicsMill.PixelFormat.Format32bppArgb);
System.Drawing.Bitmap gdipBitmap = textBitmap.ToGdiplusBitmapDirectly();
gdipGraphics = System.Drawing.Graphics.FromImage(gdipBitmap);
try
{
	gdipGraphics.DrawString(str, font, brush, 0, 0);
}
finally
{
	gdipGraphics.Dispose();
	gdipBitmap.Dispose();
}
	
// Convert temporary bitmap with string to CMYK pixel format and draw it on destination bitmap.
textBitmap.ColorManagement.ConvertToContinuous(Aurigma.GraphicsMill.ColorSpace.Cmyk, 
    textBitmap.HasAlpha, textBitmap.IsExtended);
textBitmap.Draw(bmp, 20, 20, textBitmap.Width, textBitmap.Height, Aurigma.GraphicsMill.Transforms.CombineMode.Alpha, 
    1.0f, Aurigma.GraphicsMill.Transforms.InterpolationMode.LowQuality);

bmp.Save(@"d:/temp/CmykWithText.tif");

            string str = "Aurigma"; 
            System.Drawing.SizeF size = System.Drawing.SizeF.Empty; 
            System.Drawing.Font font = new System.Drawing.Font("Arial", 14);
            System.Drawing.SolidBrush brush = new System.Drawing.SolidBrush(Aurigma.GraphicsMill.CmykColor.FromCmyk(13, 13, 230, 0));
            Aurigma.GraphicsMill.Bitmap bmp = new Aurigma.GraphicsMill.Bitmap(@"C:\Dokumente und Einstellungen\buettner\Desktop\Test Daten\CMYK_Black.jpg");	
            // Measure string.
            Aurigma.GraphicsMill.Bitmap tempBmp = new Aurigma.GraphicsMill.Bitmap(100, 100,     
                Aurigma.GraphicsMill.PixelFormat.Format24bppRgb);
            System.Drawing.Graphics gdipGraphics = tempBmp.GetGdiplusGraphics();
            try{	
                size = gdipGraphics.MeasureString(str, font);
            }
            finally{	
                gdipGraphics.Dispose();	tempBmp.Dispose();
            }	
            // Create temporary bitmap 32bpp ARGB bitmap and draw string on it.
            Aurigma.GraphicsMill.Bitmap textBitmap = new Aurigma.GraphicsMill.Bitmap(System.Convert.ToInt32(size.Width),     
                System.Convert.ToInt32(size.Height), Aurigma.GraphicsMill.PixelFormat.Format32bppArgb);
            System.Drawing.Bitmap gdipBitmap = textBitmap.ToGdiplusBitmapDirectly();
            gdipGraphics = System.Drawing.Graphics.FromImage(gdipBitmap);
            try{	
                gdipGraphics.DrawString(str, font, brush, 0, 0);
            }
            finally{	
                gdipGraphics.Dispose();	
                gdipBitmap.Dispose();}
                // Convert temporary bitmap with string to CMYK pixel format and draw it on destination bitmap.
            
                textBitmap.ColorManagement.ConvertToContinuous(Aurigma.GraphicsMill.ColorSpace.Cmyk,     
                textBitmap.HasAlpha, textBitmap.IsExtended);textBitmap.Draw(bmp, 20, 20, textBitmap.Width, 
                    textBitmap.Height, Aurigma.GraphicsMill.Transforms.CombineMode.Alpha,     
                    1.0f, Aurigma.GraphicsMill.Transforms.InterpolationMode.LowQuality);
                bmp.Save(@"C:\Dokumente und Einstellungen\buettner\Desktop\Test Daten\CMYK_WithTiff.tif");

            Aurigma.GraphicsMill.Bitmap bmp = new Aurigma.GraphicsMill.Bitmap(@"T:\ColorConversion\mire_cmyk.jpg");

            // Configure text string and font settings
            string str = "TestString";
            Aurigma.GraphicsMill.Drawing.Font font = new Aurigma.GraphicsMill.Drawing.Font("Arial", 24);
            System.Drawing.SizeF size = font.MeasureText(str);

            // Set the text color here color 
            Aurigma.GraphicsMill.CmykColor textColorCmyk = Aurigma.GraphicsMill.CmykColor.FromCmyk(128, 12, 55, 25);

            // Create the solid CMYK bitmap filled with text color and mask where we will "cut out" the text
            // Mask must be 8-bit grayscale bitmap, but if we try to draw anything on such bitmap no antialiasing
            // will be applied. That's why we create 24-bit RGB bitmap and convert it to grayscale later.
            Aurigma.GraphicsMill.Bitmap txtbmp = new Aurigma.GraphicsMill.Bitmap(textColorCmyk, (int)size.Width, (int)size.Height, Aurigma.GraphicsMill.PixelFormat.Format40bppAcmyk);
            Aurigma.GraphicsMill.Bitmap mask = new Aurigma.GraphicsMill.Bitmap((int)size.Width, (int)size.Height, Aurigma.GraphicsMill.PixelFormat.Format24bppRgb);
            
            // "Cut out" the text in the mask
            Aurigma.GraphicsMill.Drawing.GdiGraphics g = mask.GetGdiGraphics();
            font.Antialiased = true;
            g.DrawString(str, font, new Aurigma.GraphicsMill.Drawing.SolidBrush(Aurigma.GraphicsMill.RgbColor.White), new System.Drawing.Point(0,0));
            mask.ColorManagement.ConvertToContinuous(Aurigma.GraphicsMill.ColorSpace.GrayScale, false, false);
            
            // Replace alpha channel by the mask
            txtbmp.Channels[Aurigma.GraphicsMill.ColorChannel.Alpha] = mask;

            // Merge the text with the bitmap.
            txtbmp.Draw(bmp, 20, 40, -1, -1, Aurigma.GraphicsMill.Transforms.CombineMode.Alpha, 1, Aurigma.GraphicsMill.Transforms.InterpolationMode.HighQuality);
            bmp.Save(@"C:\cmyk_with_text.tif");

 // Destination CMYK bitmap 300x300 pixels
Aurigma.GraphicsMill.Bitmap bmp = new Aurigma.GraphicsMill.Bitmap(300, 300, Aurigma.GraphicsMill.PixelFormat.Format32bppCmyk);

// Background - CMYK bitmap 300x300 pixels
Aurigma.GraphicsMill.Bitmap background = new Aurigma.GraphicsMill.Bitmap(@"d:/temp/Background.tif");

// Bar code - RGB bitmap 300x300 pixels
Aurigma.GraphicsMill.Bitmap mask = new Aurigma.GraphicsMill.Bitmap(@"d:/temp/bar.tif");
mask.ColorManagement.ConvertToContinuous(Aurigma.GraphicsMill.ColorSpace.GrayScale, false, false);

// Draw background using bar code as mask
Aurigma.GraphicsMill.Transforms.Combiner combiner = new Aurigma.GraphicsMill.Transforms.Combiner();
combiner.SourceBitmap = background;
combiner.ApplyMaskTransform(bmp, mask);

// Save the result
bmp.Save(@"d:/temp/CMYKBarcode.tif");