iOS plus watermark

1. Add text

 -(UIImage *) AddText: (UIImage *) img Text: (NSString *) text1 {          //get image Width and height          int w = img.size.width;         int h = img.size.height;         cgcolorspaceref colorspace = Cgcolorspacecreatedevicergb ();         //create a graphic context with cgbitmapcontextcreate          cgcontextref context = Cgbitmapcontextcreate (NULL, W, H, 8, 4 * W, ColorSpace, KCGIma Gealphapremultipliedfirst);        cgcontextdrawimage (context, CGRectMake (0, 0, W, h), IMG. Cgimage);         cgcontextsetrgbfillcolor (context, 0.0, 1.0, 1.0, 1);         char* Text = (char *) [Text1 cstringusingencoding:nsasciistringencodING];         cgcontextselectfont (Context, "Georgia", Kcgencodingmacroman);         cgcontextsettextdrawingmode (context, KCGTextFill);         cgcontextsetrgbfillcolor (context, 255, 0, 0, 1);         cgcontextshowtextatpoint (Context, W/2-strlen (text), H/2, text, strlen (text));         //create image ref from the context          cgimageref imagemasked = cgbitmapcontextcreateimage (context);         cgcontextrelease (context);         cgcolorspacerelease (ColorSpace);         return [UIImage imagewithcgimage:imagemasked]; } 2. Add Picture-(UIImage *) Addimagelogo: (UIImage *) img Text: (UIImage *) logo {    &NBsp;  //get image Width and height         int w = img.size.width;         int h = img.size.height;        int logowidth = logo.size.width;         int logoheight = logo.size.height;         cgcolorspaceref colorspace = Cgcolorspacecreatedevicergb ();               //create a graphic context With cgbitmapcontextcreate         cgcontextref context = Cgbitmapcontextcreate (NULL, W, H, 8, 4 * W, colorspace, Kcgimagealphapremultipliedfirst);         cgcontextdrawimage (context, CGRectMake (0, 0, W, h), IMG. Cgimage);         cgcontextdrawimage (Context, CGRectMake (w-logoWidth, 0, LogoWidth, logoheight), [logo cgimage]);         cgimageref imagemasked = cgbitmapcontextcreateimage (context);         cgcontextrelease (context);         cgcolorspacerelease (ColorSpace);         return [UIImage imagewithcgimage:imagemasked];         // cgcontextdrawimage (Contextref, CGRectMake (100, 50, 200, 80 ), [smallimg cgimage]);  } 3. Plus Translucent Watermark-(UIImage *) AddImage: (UIImage *) useimage addImage1: (UIImage *) addImage1 {          uigraphicsbeginimagecontext (useImage.size);                 [useimage DrawInRect: CGRectMake (0, 0, UseImage.size.width, useImage.size.height)];              [addimage1 DrawInRect:CGRectMake ( 0, USeimage.size.height-addimage1.size.height, AddImage1.size.width, AddImage1.size.height)];             uiimage *resultingImage = Uigraphicsgetimagefromcurrentimagecontext ();          uigraphicsendimagecontext ();               return ResultingImage;   }

iOS plus watermark