i assume the top is drawn the same as the bottom. However, you only notice the jaggedness on one of the sides? Why is this so?
On 15 February 2010 02:47, nagesh govindu <[email protected]> wrote: > can anybody send wcf hosting methods pictorially. I searched many blogs > for wcf . But nobody wrote clearly.So please send > > On Mon, Feb 15, 2010 at 11:09 AM, Raghupathi Kamuni <[email protected] > > wrote: > >> You have already set SmoothingMode to AntiAlias !! >> >> Also set PixelOffsetMode to HighQuality >> g.PixelOffsetMode = PixelOffsetMode.HighQuality; >> >> Check these links, see if you are missing anything >> http://msdn.microsoft.com/en-us/library/9t6sa8s9.aspx >> http://www.geekpedia.com/tutorial52_Antialiasing-or-Smoothing.html >> >> VB6 code on antialiasing >> >> http://www.planet-source-code.com/vb/scripts/ShowCode.asp?txtCodeId=38582&lngWId=1 >> On Sat, Feb 13, 2010 at 1:28 PM, [email protected] < >> [email protected]> wrote: >> >>> Thanks for reply >>> >>> code as per below >>> >>> >>> using System; >>> using System.Data; >>> using System.Configuration; >>> using System.Collections; >>> using System.Web; >>> using System.Web.Security; >>> using System.Web.UI; >>> using System.Web.UI.WebControls; >>> using System.Web.UI.WebControls.WebParts; >>> using System.Web.UI.HtmlControls; >>> using System.IO; >>> using System.Drawing; >>> using System.Drawing.Imaging; >>> using System.Drawing.Text; >>> using System.Drawing.Drawing2D; >>> >>> public partial class rotateimage : System.Web.UI.Page >>> { >>> protected void Page_Load(object sender, EventArgs e) >>> { >>> String imagepath = pathstr() + "Images\\sellimage.jpg"; >>> Bitmap bmp_conv_dpi = new Bitmap(imagepath); >>> System.Drawing.Image i = >>> Rotateimage((System.Drawing.Image)bmp_conv_dpi,double.Parse( >>> queryStringValue(Request,"angle", >>> 0))); >>> MemoryStream ms = new MemoryStream(); >>> i.Save(ms, ImageFormat.Png); >>> Response.ContentType = "image/PNG"; >>> ms.WriteTo(Response.OutputStream); >>> Response.End(); >>> } >>> public string pathstr() >>> { >>> return System.AppDomain.CurrentDomain.BaseDirectory; >>> } >>> public static System.Drawing.Image >>> Rotateimage(System.Drawing.Image image, double angle) >>> { >>> >>> if (image == null) >>> { >>> throw new ArgumentNullException("image"); >>> } >>> float oldWidth = (float)image.Width; >>> float oldHeight = (float)image.Height; >>> >>> // Ensure angle is [0, 360) >>> angle = angle % 360f; >>> if (angle < 0.0) >>> { >>> angle += 360f; >>> } >>> >>> PointF[] corners = new PointF[4]; >>> // corners, clockwise from upper left >>> // corners[0] is origin >>> corners[1].X = oldWidth; >>> corners[2].X = oldWidth; >>> corners[2].Y = oldHeight; >>> corners[3].Y = oldHeight; >>> >>> // rotate about origin >>> Matrix m = new Matrix(); >>> m.Rotate((float)angle); >>> m.TransformPoints(corners); >>> >>> // compute bounds of transformed corners from largest and >>> smallest x and y values >>> double maxX = Double.MinValue; >>> double maxY = Double.MinValue; >>> double minX = Double.MaxValue; >>> double minY = Double.MaxValue; >>> foreach (PointF p in corners) >>> { >>> maxX = Math.Max(maxX, p.X); >>> minX = Math.Min(minX, p.X); >>> maxY = Math.Max(maxY, p.Y); >>> minY = Math.Min(minY, p.Y); >>> } >>> double newWidth = Math.Ceiling(maxX - minX); >>> double newHeight = Math.Ceiling(maxY - minY); >>> >>> Bitmap rotatedBmp = new Bitmap((int)newWidth, (int)newHeight); >>> using (Graphics g = Graphics.FromImage(rotatedBmp)) >>> { >>> // center of new image >>> PointF center = new PointF((float)(newWidth / 2), (float) >>> (newHeight / 2)); >>> g.SmoothingMode = >>> System.Drawing.Drawing2D.SmoothingMode.AntiAlias; >>> // position to draw old image to center it in new one >>> PointF position = new PointF(center.X - oldWidth / 2, >>> center.Y - oldHeight / 2); >>> >>> // rotate about center and draw >>> m.Reset(); >>> m.RotateAt((float)angle, center); >>> g.Transform = m; >>> g.DrawImage(image, position); >>> m.Reset(); >>> >>> >>> g.InterpolationMode = >>> System.Drawing.Drawing2D.InterpolationMode.Bicubic; >>> } >>> >>> >>> >>> >>> return rotatedBmp; >>> } >>> public static string queryStringValue(HttpRequest wr, string key, >>> object defaultValue) >>> { >>> try >>> { >>> return wr.QueryString[key].ToString(); >>> } >>> catch (Exception) >>> { } >>> return defaultValue.ToString(); >>> } >>> } >>> >>> >>> On Feb 11, 12:04 pm, Raghupathi Kamuni <[email protected]> wrote: >>> > Show the relevant code ! >>> > >>> > On Thu, Feb 11, 2010 at 12:20 PM, [email protected] >>> > <[email protected]>wrote: >>> > >>> > > not it is not spam , it's urgent to solve >>> > >>> > > On Feb 10, 5:49 pm, Processor Devil <[email protected]> >>> wrote: >>> > > > spam? >>> > >>> > > > 2010/2/10 [email protected] <[email protected]> >>> > >>> > > > > please check url below and find how the image distorts at edges >>> on >>> > > > > giving rotation angles like 5,10,50 etc. however the edges are >>> smooth >>> > > > > and crisp on 45 degree >>> > >>> > > > >http://cybersurf.in/rotationtesting.aspx >>> > >>> > > > > please provide solution ASAP. >>> >> >> > -- Charles A. Lopez [email protected] Registered Microsoft Partner New York City, NY I'm running on Windows 7 Build 7100 Quality Software Works
