public byte[] imageToByteArray(System.Drawing.Image imageIn) { MemoryStream ms = new MemoryStream(); if (_imgType == ImageFileType.Gif) { imageIn.Save(ms, System.Drawing.Imaging.ImageFormat.Gif); } else if (_imgType == ImageFileType.Jpg) { imageIn.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg); } else if (_imgType == ImageFileType.Png) { imageIn.Save(ms, System.Drawing.Imaging.ImageFormat.Png); } else if (_imgType == ImageFileType.Wmf) { WMETA8 wmfconv = new WMETA8(); return(wmfconv.getWMETA8Data(imageIn)); } return(ms.ToArray()); //ImageConverter converter = new ImageConverter(); //return (byte[])converter.ConvertTo(imageIn, typeof(byte[])); }
private Image DownloadImageFromUrl(string imageUrl) { System.Drawing.Image image = null; try { System.Net.HttpWebRequest webRequest = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(imageUrl); webRequest.AllowWriteStreamBuffering = true; webRequest.Timeout = 30000; System.Net.WebResponse webResponse = webRequest.GetResponse(); System.IO.Stream stream = webResponse.GetResponseStream(); image = System.Drawing.Image.FromStream(stream); webResponse.Close(); } catch (Exception ex) { return(null); } return(image); }
public bool getImage(byte[] pFotoByte, System.Windows.Controls.Image pImageControl) { try { byte[] buffer = (byte[])pFotoByte; MemoryStream stream = new MemoryStream(); stream.Write(buffer, 0, buffer.Length); stream.Position = 0; System.Drawing.Image img = System.Drawing.Image.FromStream(stream); BitmapImage bi = new BitmapImage(); bi.BeginInit(); MemoryStream ms = new MemoryStream(); img.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp); ms.Seek(0, SeekOrigin.Begin); bi.StreamSource = ms; bi.EndInit(); pImageControl.Source = bi; return(true); } catch { return(false); } }
/// <summary> /// 打印图 /// </summary> /// <param name="callNumber"></param> /// <returns></returns> public BitmapImage GetPrintBitmapImage(string callNumber) { BitmapImage images = null; var fontFamily = new System.Drawing.FontFamily("宋体"); var fontStyle = System.Drawing.FontStyle.Bold; Font font = new Font(fontFamily, 120, fontStyle); using (System.Drawing.Image imgs = Image.FromFile("02.png")) { using (Graphics g = Graphics.FromImage(imgs)) { int index = callNumber.IndexOf("/"); string str = callNumber.Substring(0, index + 1); string str1 = ""; if (callNumber.Length > index + 1) { str1 = callNumber.Substring(index + 1, callNumber.Length - index - 1); } SizeF sizeF = g.MeasureString(str, font); ; g.DrawString(str, font, System.Drawing.Brushes.Black, new PointF(imgs.Width / 2 - sizeF.Width / 2, imgs.Height / 4)); if (!string.IsNullOrEmpty(str1)) { sizeF = g.MeasureString(str1, font); g.DrawString(str1, font, System.Drawing.Brushes.Black, new PointF(imgs.Width / 2 - sizeF.Width / 2, imgs.Height / 2 + imgs.Height / 7)); } imgs.Save("print.png"); images = ImageToBitmapImage(imgs); } } return(images); }
/// <summary> /// Getting the frames out of a GIF image. /// </summary> /// <param name="originalImg"></param> /// <returns></returns> public static BitmapImage[] GetFrames(Image originalImg) { int numberOfFrames = originalImg.GetFrameCount(FrameDimension.Time); Image[] frames = new System.Drawing.Image[numberOfFrames]; BitmapImage[] bitmapFrames = new BitmapImage[numberOfFrames]; for (int i = 0; i < numberOfFrames; i++) { originalImg.SelectActiveFrame(FrameDimension.Time, i); frames[i] = ((System.Drawing.Image)originalImg.Clone()); using (var ms = new MemoryStream()) { frames[i].Save(ms, ImageFormat.Png); ms.Seek(0, SeekOrigin.Begin); var bitmapImage = new BitmapImage(); bitmapImage.BeginInit(); bitmapImage.CacheOption = BitmapCacheOption.OnLoad; bitmapImage.StreamSource = ms; bitmapImage.EndInit(); bitmapFrames[i] = bitmapImage; } } return(bitmapFrames); }
private byte[] imageToByteArray(System.Drawing.Image imageIn) { MemoryStream ms = new MemoryStream(); imageIn.Save(ms, System.Drawing.Imaging.ImageFormat.Gif); return(ms.ToArray()); }
//Utilities public void ShowGreetings() { GreetingLabel.Show(); GreetingLabel.ForeColor = Color.White; GreetingLabel.Text = string.Format(Constants.GreetingsMessage, AuthenticationManager.GetCurrentUser().Username); //Show Image User currentUser = AuthenticationManager.GetCurrentUser(); byte[] imageBytes = imageService.GetProfilePicture(currentUser.Username); if (imageBytes != null) { System.Drawing.Image image = imageService.byteArrayToImage(imageBytes); profilePicPictureBox.Image = imageService.ScaleImage(image, 55, 54); profilePicPictureBox.Size = new Size(profilePicPictureBox.Image.Width, profilePicPictureBox.Image.Height); } else { Image image = Image.FromFile(@"../../Utilities/Images/default.jpg"); byte[] imageToBytes = imageService.imageToByteArray(image); Models.Image newImage = new Models.Image() { Content = imageToBytes }; currentUser.ProfilePicture = newImage; profilePicPictureBox.Image = imageService.ScaleImage(image, 55, 54); } profilePicPictureBox.Location = new Point(590, profilePicPictureBox.Location.Y); profilePicPictureBox.Show(); LogoutButton.Show(); }
private void ConvertedImage_MouseMove(object sender, MouseEventArgs e) { PictureBox box = sender as PictureBox; Point point = e.Location; int width, height; if (box == null) { return; } //width = point.X - MouseDownedPoint.X; //height = point.Y - MouseDownedPoint.Y; if (e.Button == MouseButtons.Left && (IsCrop == true || IsInsert == true) && IsMouseUp == false) { //point.X = Convert.ToInt32(point.X * FactorWidth); //point.Y = Convert.ToInt32(point.Y * FactorHeight); width = Convert.ToInt32(point.X * FactorWidth) - MouseDownedPoint.X; height = Convert.ToInt32(point.Y * FactorHeight) - MouseDownedPoint.Y;//这里可能需要判断一下这个width和height是否是大于0的,因为可能有多种画图方式 System.Drawing.Image image = bitmap; ConvertedImage.Image = imageManager.DrawOutCropArea(image, MouseDownedPoint.X, MouseDownedPoint.Y, width, height); // Bitmap bitmap = box.Image.Clone() as Bitmap; // box.DoDragDrop(bitmap, DragDropEffects.Copy | DragDropEffects.Link); } else if (e.Button == MouseButtons.Left && IsCrop == false && IsInsert == false && IsMouseUp == false) { width = point.X - MouseMoveDownPoint.X; height = point.Y - MouseMoveDownPoint.Y; ConvertedImage.Location = new Point(ConvertedImage.Location.X + width, ConvertedImage.Location.Y + height); } }
private void SelectImageButton_OnClick(object sender, RoutedEventArgs e) { OpenFileDialog open = new OpenFileDialog(); open.Multiselect = false; open.Filter = "Image Files(*.jpg; *.jpeg; *.gif; *.bmp; *.png)|*.jpg; *.jpeg; *.gif; *.bmp; *.png"; if (open.ShowDialog() == true) { _newImagePath = open.FileName; try { System.Drawing.Image img = System.Drawing.Image.FromFile(_newImagePath); ImageDisplayed.Source = null; DeleteOldPictures(); CopyNewPicture(); SetNewestImagePath(); } catch (Exception err) { _runningApplication.UI.MainView.CreateAlertWindow("Error with image", $"There was a problem with the image file: " + $"{Environment.NewLine}{_newImagePath}"); } } }
//chuyển đổi ảnh sang kiểu byte public byte[] ImageToByteArray(System.Drawing.Image imageIn) { using (var ms = new MemoryStream()) { imageIn.Save(ms, ImageFormat.Png); return(ms.ToArray()); } }
public async Task Text(string e) { System.Drawing.Image img = DrawText(e, new Font("Diavlo Light", 30.0f), System.Drawing.Color.FromArgb(0, 0, 0), System.Drawing.Color.FromArgb(255, 255, 255)); using MemoryStream outStream = new MemoryStream(); img.Save(outStream, System.Drawing.Imaging.ImageFormat.Png); outStream.Position = 0; await Context.Channel.SendFileAsync(outStream, "silverbotimage.png", "there"); }
public static System.Drawing.Image SaveImage(System.Windows.Controls.Viewbox control, string path) { using (MemoryStream stream = new MemoryStream()) { GenerateImage(control, stream); System.Drawing.Image img = System.Drawing.Image.FromStream(stream); return(img); } }
/// <summary> /// Converts a Base64 encoded string to an Image /// </summary> /// <param name="base64String">Base64 encoded Image string</param> /// <returns>Decoded Image</returns> public static Image Base64ToImage(string base64String) { // Convert Base64 String to byte[] byte[] imageBytes = Convert.FromBase64String(base64String.Trim()); var ms = new MemoryStream(imageBytes, 0, imageBytes.Length); // Convert byte[] to Image ms.Write(imageBytes, 0, imageBytes.Length); System.Drawing.Image image = System.Drawing.Image.FromStream(ms, true); return image; }
public byte[] GetCaptureForInstagramControl(byte[] imageForInstagram, string publishAuthorName, DateTime timeUpdate, byte[] profilePictureData) { byte[] captureImageData; var defaultTemplate = new InstagramDefaultCtrl(); defaultTemplate.FillData(imageForInstagram, publishAuthorName, timeUpdate, profilePictureData); defaultTemplate.Measure(new System.Windows.Size((int)defaultTemplate.Width, (int)defaultTemplate.Height)); defaultTemplate.Arrange(new Rect(new System.Windows.Size((int)defaultTemplate.Width, (int)defaultTemplate.Height))); int dpiX = 96; int dpiY = 96; Rect bounds = VisualTreeHelper.GetDescendantBounds(defaultTemplate); RenderTargetBitmap renderTarget = new RenderTargetBitmap((int)(bounds.Width * dpiX / 96.0), (int)(bounds.Height * dpiY / 96.0), dpiX, dpiY, PixelFormats.Pbgra32); DrawingVisual dv = new DrawingVisual(); using (DrawingContext ctx = dv.RenderOpen()) { VisualBrush vb = new VisualBrush(defaultTemplate); ctx.DrawRectangle(vb, null, new Rect(new System.Windows.Point(), bounds.Size)); } renderTarget.Render(dv); JpegBitmapEncoder jpgEncoder = new JpegBitmapEncoder(); jpgEncoder.QualityLevel = 100; jpgEncoder.Frames.Add(BitmapFrame.Create(renderTarget)); using (MemoryStream outputStream = new MemoryStream()) { jpgEncoder.Save(outputStream); captureImageData = outputStream.ToArray(); } using (Bitmap rectangleResultImage = new Bitmap((int)bounds.Width, (int)bounds.Height)) { using (Graphics canvas = Graphics.FromImage(rectangleResultImage)) { canvas.InterpolationMode = InterpolationMode.HighQualityBicubic; using (var imageStream = new MemoryStream(captureImageData)) { System.Drawing.Image squereResultImage = System.Drawing.Image.FromStream(imageStream); canvas.DrawImage(squereResultImage, new Rectangle(0, 0, squereResultImage.Width, squereResultImage.Height), new Rectangle(0, 0, squereResultImage.Width, squereResultImage.Height), GraphicsUnit.Pixel); } return(rectangleResultImage.ToBytes()); } } }
public static BitmapImage ToWpfImage(System.Drawing.Image img) { MemoryStream ms = new MemoryStream(); // no using here! BitmapImage will dispose the stream after loading img.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp); BitmapImage ix = new BitmapImage(); ix.BeginInit(); ix.CacheOption = BitmapCacheOption.OnLoad; ix.StreamSource = ms; //ix.EndInit(); return(ix); }
private void LoadTexture() { string path = Application.streamingAssetsPath + "/test.jpg"; System.Drawing.Image bitmap = Image.FromFile(path); byte[] tempBytes; MemoryStream ms = new MemoryStream(); ImageCodecInfo dc = GetEncoderInfo("image/bmp"); EncoderParameter myEncoderParameter; EncoderParameters myEncoderParameters; Encoder myEncoder; myEncoder = Encoder.Quality; // EncoderParameter object in the array. myEncoderParameters = new EncoderParameters(1); myEncoderParameter = new EncoderParameter(myEncoder, 100L); myEncoderParameters.Param[0] = myEncoderParameter; bitmap.Save(ms, dc, myEncoderParameters); // bitmap.Save(ms,ImageFormat.Jpeg); tempBytes = ms.GetBuffer();//786486 Debug.Log(tempBytes.Length); Texture2D tex = new Texture2D(2, 2, TextureFormat.RGB24, false); //tex.LoadImage(tempBytes); tex.LoadRawTextureData(tempBytes); tex.Apply(); //byte[] bytes = File.ReadAllBytes(path);//39830 //Texture2D tex = new Texture2D(512, 512, TextureFormat.RGB24, false); //tex.LoadImage(bytes); //tex.Apply(); //Debug.Log(tex.format); //byte[] temps = tex.GetRawTextureData();//786,432 DstRawImage.texture = tex; }
System.Drawing.Image DownloadImage(string _URL) { System.Drawing.Image _tmpImage = null; // Open a connection if (_URL != "") { try { HttpWebRequest _HttpWebRequest = (HttpWebRequest)HttpWebRequest.Create(_URL); _HttpWebRequest.AllowWriteStreamBuffering = true; // You can also specify additional header values like the user agent or the referer: (Optional) _HttpWebRequest.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)"; _HttpWebRequest.Referer = "http://www.google.com/"; // set timeout for 20 seconds (Optional) _HttpWebRequest.Timeout = 20000; // Request response: WebResponse _WebResponse = _HttpWebRequest.GetResponse(); // Open data stream: Stream _WebStream = _WebResponse.GetResponseStream(); // convert webstream to image _tmpImage = Image.FromStream(_WebStream); // Cleanup _WebResponse.Close(); _WebResponse.Close(); } catch (Exception e) { Console.WriteLine(e); return(null); } } // Error return(_tmpImage); }
internal RtfImage(System.Drawing.Image imageIn, ImageFileType type) { _imgType = type; _image = imageIn; _imgBin = imageToByteArray(imageIn); _alignment = Align.None; _margins = new Margins(); _keepAspectRatio = true; _blockHead = @"{\pard"; _blockTail = @"\par}"; _startNewPage = false; _width = (imageIn.Width / imageIn.HorizontalResolution) * 72; _height = (imageIn.Height / imageIn.VerticalResolution) * 72; }
public static System.Drawing.Image ResizeImage(System.Drawing.Image imgToResize, Size size, bool p_Scale = false) { int sourceWidth = imgToResize.Width; int sourceHeight = imgToResize.Height; float nPercent = 0; float nPercentW = 0; float nPercentH = 0; int destWidth, destHeight; if (!p_Scale) { nPercentW = ((float)size.Width / (float)sourceWidth); nPercentH = ((float)size.Height / (float)sourceHeight); if (nPercentH < nPercentW) { nPercent = nPercentH; } else { nPercent = nPercentW; } destWidth = (int)(sourceWidth * nPercent); destHeight = (int)(sourceHeight * nPercent); } else { nPercentW = ((float)size.Width / (float)sourceWidth); nPercentH = ((float)size.Height / (float)sourceHeight); destWidth = (int)(sourceWidth * nPercentW); destHeight = (int)(sourceHeight * nPercentH); } Bitmap b = new Bitmap(destWidth, destHeight); Graphics g = System.Drawing.Graphics.FromImage((Image)b); g.SmoothingMode = SmoothingMode.HighQuality; g.InterpolationMode = InterpolationMode.High; g.DrawImage(imgToResize, 0, 0, destWidth, destHeight); g.Dispose(); return((System.Drawing.Image)b); }
public static BitmapSource GetImageStream(System.Drawing.Image myImage) { var bitmap = new Bitmap(myImage); IntPtr bmpPt = bitmap.GetHbitmap(); BitmapSource bitmapSource = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap( bmpPt, IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions()); //freeze bitmapSource and clear memory to avoid memory leaks bitmapSource.Freeze(); DeleteObject(bmpPt); return(bitmapSource); }
private void button1_Click_1(object sender, EventArgs e) { contadorTablas--; if (contadorTablas > -1) { string imagen = listaTablas.ElementAt(contadorTablas); if (System.IO.File.Exists(imagen)) { // listaTablas.Add(imagen); System.Drawing.Image image = System.Drawing.Image.FromFile(imagen); pictureBox2.Image = image; } } else { contadorTablas = 0; } }
public ImageBrush FillImage(byte[] _avatarBytes) { MemoryStream mstream = new MemoryStream(_avatarBytes, 0, _avatarBytes.Length); mstream.Write(_avatarBytes, 0, _avatarBytes.Length); System.Drawing.Image Avatar = Image.FromStream(mstream, true); var bitmap = new System.Drawing.Bitmap(Avatar); var bitmapSource = Imaging.CreateBitmapSourceFromHBitmap(bitmap.GetHbitmap(), IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions() ); bitmap.Dispose(); return(new ImageBrush(bitmapSource)); }
private void button1_Click(object sender, EventArgs e) { contador--; if (contador > -1) { string imagen = listaAutomatas.ElementAt(contador); if (System.IO.File.Exists(imagen)) { //listaAutomatas.Add(imagen); System.Drawing.Image image = System.Drawing.Image.FromFile(imagen); pictureBox1.Image = image; } } else { contador = 0; } }
public MainViewModel(MainControl mainControl) { this.mainControl = mainControl; Task.Run(() => { UserName = ServerSetting.UserName; LoginTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); }); try { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(ServerSetting.PICPath + ServerSetting.HeaderAddress); WebResponse response = request.GetResponse(); System.Drawing.Image img = System.Drawing.Image.FromStream(response.GetResponseStream()); LoginPIC = ImageToBitmapImage(img); } catch { LoginPIC = new BitmapImage(new Uri("默认头像.png", UriKind.RelativeOrAbsolute)); } finally { RFIDPIC = new BitmapImage(new Uri("../images/RFID绑定点击样式.png", UriKind.RelativeOrAbsolute)); RFIDBK = new BitmapImage(new Uri("BKDJ.png", UriKind.RelativeOrAbsolute)); BookmarkPIC = new BitmapImage(new Uri("../images/书标1.png", UriKind.RelativeOrAbsolute)); BookmarkBK = new BitmapImage(new Uri("BKWDJ.png", UriKind.RelativeOrAbsolute)); BarCodePIC = new BitmapImage(new Uri("../images/条码1.png", UriKind.RelativeOrAbsolute)); BarCodeBK = new BitmapImage(new Uri("BKWDJ.png", UriKind.RelativeOrAbsolute)); QueryPIC = new BitmapImage(new Uri("../images/查询1.png", UriKind.RelativeOrAbsolute)); QueryBK = new BitmapImage(new Uri("BKWDJ.png", UriKind.RelativeOrAbsolute)); SetPIC = new BitmapImage(new Uri("../images/Bing1.png", UriKind.RelativeOrAbsolute)); SetBK = new BitmapImage(new Uri("BKWDJ.png", UriKind.RelativeOrAbsolute)); QuitPIC = new BitmapImage(new Uri("../images/过刊合订1.png", UriKind.RelativeOrAbsolute)); QuitBK = new BitmapImage(new Uri("BKWDJ1.png", UriKind.RelativeOrAbsolute)); } ShowPIC = "../images/三角形1.png"; Show = Visibility.Hidden; ///个人中心 User = ServerSetting.userInfo.User; PassWord = ServerSetting.PassWord; Email = ServerSetting.userInfo.Email; IDCard = ServerSetting.userInfo.IDCard; Phone = ServerSetting.userInfo.Phone; RoleLevel = ServerSetting.userInfo.RoleLevel; }
protected void btnCrop_Click11(object sender, EventArgs e) { string confilename, confilepath; string fileName = Path.GetFileName(imgUpload.ImageUrl); string filePath = Path.Combine(Server.MapPath("~/img"), fileName); if (File.Exists(filePath)) { System.Drawing.Image orgImg = System.Drawing.Image.FromFile(filePath); Rectangle CropArea = new Rectangle( Convert.ToInt32(X.Value), Convert.ToInt32(Y.Value), Convert.ToInt32(W.Value), Convert.ToInt32(H.Value)); try { Bitmap bitMap = new Bitmap(CropArea.Width, CropArea.Height); using (Graphics g = Graphics.FromImage(bitMap)) { g.DrawImage(orgImg, new Rectangle(0, 0, bitMap.Width, bitMap.Height), CropArea, GraphicsUnit.Pixel); } int v = CropArea.Width; string r = v.ToString(); test.Text = r; int s = CropArea.Height; string h = s.ToString(); haute.Text = h; confilename = "Crop_" + fileName; confilepath = Path.Combine(Server.MapPath("~/cropimg"), confilename); bitMap.Save(confilepath); cropimg.Visible = true; cropimg.Src = "~/cropimg/" + confilename; panCrop.Visible = false; } catch { throw; } } }
/// <summary> /// 旋转图片到正确位置 /// </summary> /// <param name="image"></param> public static void OrientationImage(System.Drawing.Image image) { if (Array.IndexOf(image.PropertyIdList, 274) > -1) { var orientation = (int)image.GetPropertyItem(274).Value[0]; switch (orientation) { case 1: // No rotation required. break; case 2: image.RotateFlip(RotateFlipType.RotateNoneFlipX); break; case 3: image.RotateFlip(RotateFlipType.Rotate180FlipNone); break; case 4: image.RotateFlip(RotateFlipType.Rotate180FlipX); break; case 5: image.RotateFlip(RotateFlipType.Rotate90FlipX); break; case 6: image.RotateFlip(RotateFlipType.Rotate90FlipNone); break; case 7: image.RotateFlip(RotateFlipType.Rotate270FlipX); break; case 8: image.RotateFlip(RotateFlipType.Rotate270FlipNone); break; } image.RemovePropertyItem(274); } }
private void ConvertedImage_DragDrop(object sender, DragEventArgs e) { string path = ((System.Array)e.Data.GetData(DataFormats.FileDrop)).GetValue(0).ToString(); if (path == null) { return; } try { System.Drawing.Image image = System.Drawing.Image.FromFile(path); Bitmap bitmap = new Bitmap(image, ConvertedImage.Width, ConvertedImage.Height); imageManager.oldBitmap = bitmap; ConvertedImage.Image = bitmap; } catch (Exception E) { Console.WriteLine(E.Message); } }
public BitmapImage ImageToBitmapImage(System.Drawing.Image PIC) { byte[] data = null; using (MemoryStream ms = new MemoryStream()) { using (Bitmap Bitmap = new Bitmap(PIC)) { Bitmap.Save(ms, PIC.RawFormat); ms.Position = 0; data = new byte[ms.Length]; ms.Read(data, 0, Convert.ToInt32(ms.Length)); ms.Flush(); } } BitmapImage bitmap = new BitmapImage(); bitmap.BeginInit(); bitmap.StreamSource = new MemoryStream(data); bitmap.EndInit(); return(bitmap); }
public static ImageSource ToImageSource(System.Drawing.Image image, ImageFormat imageFormat) { BitmapImage bitmap = new BitmapImage(); using (MemoryStream stream = new MemoryStream()) { // Save to the stream image.Save(stream, imageFormat); // Rewind the stream stream.Seek(0, SeekOrigin.Begin); // Tell the WPF BitmapImage to use this stream bitmap.BeginInit(); bitmap.StreamSource = stream; bitmap.CacheOption = BitmapCacheOption.OnLoad; bitmap.EndInit(); } return(bitmap); }
private void button4_Click(object sender, EventArgs e) { float x = 0.0F; float w = 0.0F; float a = 0.0F; float y = 0.0F; x = float.Parse(textBox1.Text); y = float.Parse(textBox2.Text); a = float.Parse(textBox3.Text); w = float.Parse(textBox4.Text); RectangleF A = new RectangleF(x, y, w, a); System.Drawing.Image newImage = pictureBox1.Image; // ATTENZIONE: MANCA RIFERIMENTO A SYSTEM.DRAWING IN CLASSLIBRARY2 //newImage = ClassLibrary2.Class1.Taglia(x, y, a, w, newImage); pictureBox1.Image = newImage; }