The Bitmap.Save() Method is overloaded to allow you to save to a file path
or a stream, and allows you to set the parameters as well. For example, in
my method, it saves it to the Response.OutputStream, but that could also be
a file stream.
--
Kevin Spencer
..Net Developer
Microsoft MVP
Big things are made up
of lots of little things.
"Ignacio Marcos" <anonymous@discussions.microsoft.com> wrote in message
news:05db01c3b2d4$3de207a0$a301280a@phx.gbl...[color=blue]
> Kevin:
>
> Thanks for your answer! i read the code, but i need to
> know how to save the file result (in jpg) to disk.
>
> Eg: convert e:\wwwroot\pictures\1.gif to
> e:\wwwroot\pictures\1.jpg
>
> I dont wont to show the picture in the browser.
> Thanks again, Ignacio Marcos [marcosignacio@ciudad.com.ar]
>[color=green]
> >-----Original Message-----
> >The following is an enum and a static method I wrote to[/color]
> save images to the[color=green]
> >browser. In .Net, images are worked with in memory as[/color]
> Bitmaps. The New[color=green]
> >constructor for a Bitmap is overloaded to allow you to[/color]
> create a Bitmap from[color=green]
> >a file easily. Once you've done that, you can use the[/color]
> WriteToBrowser()[color=green]
> >method below to write it to the browser in any format you[/color]
> wish.[color=green]
> >
> >/// <summary>
> >/// Allowable Image File Types
> >/// </summary>
> >public enum ImageTypesEnum : int
> >{
> >BMP = 0,
> >JPG = 1,
> >GIF = 2
> >}
> >
> >/// <summary>
> >/// Write Image to browser
> >/// </summary>
> >public static void WriteToBrowser(Bitmap Image,[/color]
> ImageTypesEnum ImageType)[color=green]
> >{
> >HttpResponse Response;
> >MemoryStream objStream = new MemoryStream();
> >ImageCodecInfo objImageCodecInfo;
> >EncoderParameters objEncoderParameters;
> >try
> >{
> >if (Image == null)
> >throw new Exception("ImageObject is not initialized. Use[/color]
> CreateImage() to[color=green]
> >initialize ImageObject");
> >if (HttpContext.Current == null)
> >throw new Exception("No HttpContext");
> >Response = HttpContext.Current.Response;
> >switch (ImageType)
> >{
> >default:
> >objImageCodecInfo = GetEncoderInfo("image/jpeg");
> >Response.ContentType = "image/jpeg";
> >break;
> >case ImageTypesEnum.GIF:
> >objImageCodecInfo = GetEncoderInfo("image/gif");
> >Response.ContentType = "image/gif";
> >break;
> >case ImageTypesEnum.BMP:
> >objImageCodecInfo = GetEncoderInfo("image/bmp");
> >Response.ContentType = "image/bmp";
> >break;
> >}
> >objEncoderParameters = new EncoderParameters(3);
> >objEncoderParameters.Param[0] = new EncoderParameter[/color]
> (Encoder.Compression,[color=green]
> >(long)EncoderValue.CompressionLZW);
> >objEncoderParameters.Param[1] = new EncoderParameter[/color]
> (Encoder.Quality, 100L);[color=green]
> >objEncoderParameters.Param[2] = new EncoderParameter[/color]
> (Encoder.ColorDepth,[color=green]
> >24L);
> >Image.Save(Response.OutputStream, objImageCodecInfo,[/color]
> objEncoderParameters);[color=green]
> >}
> >catch (Exception e)
> >{
> >throw e;
> >}
> >}
> >
> >HTH,
> >--
> >Kevin Spencer
> >..Net Developer
> >Microsoft MVP
> >Big things are made up
> >of lots of little things.
> >
> >"Ignacio Marcos" <marcosignacio@ciudad.com.ar> wrote in[/color]
> message[color=green]
> >news:024201c3b2cb$dfcc76d0$a501280a@phx.gbl...[color=darkred]
> >> Hi all. I need to convert files on my server from gif to
> >> jpg format. I tried with the thumb function, but it does
> >> not work (on the line thumb.Save(Response.OutputStream,
> >> Imaging.ImageFormat.Jpeg)). Anybody can help me, tanks a
> >> lot.[/color]
> >
> >
> >.
> >[/color][/color]
