Upload a picture with a shaded watermark. (C #)

Upload | upload image ASP. NET upload picture, want to add watermark. For example, the URL .  text is white. But when the background is white, watermark can not see .  everywhere search data, find the way to draw text shadow .  find several, finally find a foreigner's article, and. NET with the same story as in the document .  is actually the first to draw 2-5 alpha values of different gray text when the shadow.   On top, draw the normal color text .... Sweat!!!!!!!!!!!!!!!!!! 111  There is no way, but will be used. The effect is also general.  font font=new font ("Arial black", 15,fontstyle.bold);  Sizef sf=g.measurestring ("imggood.com", font);  pointf pf=new pointf ();  pf. X= (250-SF. Width)/2; pf. Y= (bheight-sf.height)/2; //creates a new watermark Bmp bitmap floatbmp=new bitmap (int) sf. Width+3, (int) sf. HEIGHT+3,SYSTEM.DRAWING.IMAGING.PIXELFORMAT.FORMAT32BPPARGB);  //bitmap floatbmp=new bitmap ( 250,100);  //bitmap floatbmp=new bitmap ((int) sf. Width, (int) sf. Height);  graphics fg=graphics.fromimage (floatbmp);  //painted Shadow characters  pointf pt=new pointf (0,0);  system.drawing.brush transparentbrush0 = new system.drawing.solidbrush (  System.Drawing.Color.FromArgb (50,system.drawing.color.black )  )  ; System.Drawing.Brush TransparentBrush1 = new  System.Drawing.SolidBrush ( system.drawing.color.fromargb (20,system.drawing.color.black )  )  ; FG. DrawString ("imggood.com", font,transparentbrush0,pt. X,pt. y+1);  fg. DrawString ("imggood.com", font,transparentbrush0,pt. X+1,pt. Y);  fg. DrawString ("imggood.com", font,transparentbrush1,pt. X+1,pt. y+1);  fg. DrawString ("imggood.com", font,transparentbrush1,pt. X,pt. y+2);  fg. DrawString ("imggood.com", font,transparentbrush1,pt. X+2,pt. Y);  transparentbrush0.dispose ();  transparentbrush1.dispose ();  //Draw logo character  fg. SMOOTHINGMODE=SYSTEM.DRAWING.DRAWING2D.SMOOTHINGMODE.HIGHQUALITY; //FG. Clear (Color.Black);  fg. DrawString ("Imggood.com", Font,new solidbrush (Color.White), Pt. X,pt. Y,stringformat.genericdefault);  //painting watermark to   large map  fg. Save ();  fg. Dispose ();  //set the color properties of the transparent image  FLOAT[][] PTSARRAY ={ NEW FLOAT[] {1,&Nbsp;0, 0, 0, 0}, new float[] {0, 1, 0, 0, 0}, new  float[] {0, 0, 1, 0, 0}, new float[] {0, 0, 0, 0.5f,  0}, new float[] {0, 0, 0, 0, 1}}; colormatrix clrmatrix  = new colormatrix (Ptsarray); imageattributes imgattributes = new  ImageAttributes ();  imgattributes.setcolormatrix (Clrmatrix, colormatrixflag.default, COLORADJUSTTYPE.BITMAP);  g.drawimage (Floatbmp,new rectangle (10,10, (int) sf. Width, (int) sf. Height), 0,0, (int) sf. Width, (int) sf. height,graphicsunit.pixel,imgattributes);  //============================================================= =========== g.save ();  g.dispose ();  bigbmp.save (filepath +  "B"  + fileName);  bigbmp.dispose ();  code is not difficult, does not solve the