/// <summary> /// Save the current view to a file /// </summary> private void saveViewToolStripMenuItem_Click(object sender, EventArgs e) { var dlgSave = new SaveFileDialog { Title = "Save View", Filter = "All Images (*.jpg;*.jpeg;*.bmp;*.png)|*.jpg;*.jpeg;*.bmp;*.png|JPEG Images (*.jpg;*.jpeg)|*.jpg;*.jpeg|Bitmaps (*.bmp)|*.bmp|PNG Images (*.png)|*.png", AddExtension = true }; if (dlgSave.ShowDialog() == DialogResult.OK) { using (var bmp = new Bitmap(m_canvas.Size.Width, m_canvas.Size.Height, PixelFormat.Format24bppRgb)) { using (var g = Graphics.FromImage(bmp)) { m_canvas.DrawTo(g); } bmp.Save(dlgSave.FileName); } } }
/// <summary> /// Do work /// </summary> private void ProcessImageWorker(object state) { ScannedImage scannedImage = null; Image original = null; try { lock (this.m_lockObject) using (var ms = new MemoryStream((byte[])state)) { var img = Image.FromStream(ms); img.RotateFlip(RotateFlipType.Rotate270FlipNone); scannedImage = new ScannedImage(img); } scannedImage.Analyze(); original = (Image) new AForge.Imaging.Filters.ResizeNearestNeighbor(scannedImage.Image.Width / 4, scannedImage.Image.Height / 4).Apply((Bitmap)scannedImage.Image); } catch { if (scannedImage != null) { scannedImage.Dispose(); } return; // Abort } try { // Add an Error entry if (!scannedImage.IsScannable) { ListViewItem lsv = new ListViewItem(); lsv.Tag = 2; lsv.SubItems.Add(new ListViewItem.ListViewSubItem(lsv, "Scanned image doesn't appear to be a scannable form.")); lock (this.m_lockObject) this.m_uiResults.Add(lsv, original); } else { Engine engine = new Engine(); var templateFile = Path.Combine(Path.GetDirectoryName(Assembly.GetEntryAssembly().Location), scannedImage.TemplateName + ".mxml"); if (!File.Exists(templateFile)) { ListViewItem lsv = new ListViewItem(); lsv.Tag = 0; lsv.SubItems.Add(new ListViewItem.ListViewSubItem(lsv, "Template file " + templateFile + " is missing")); lock (this.m_lockObject) this.m_uiResults.Add(lsv, original); return; } // Apply template var template = OmrTemplate.Load(templateFile); var pageData = engine.ApplyTemplate( template, scannedImage); // Draw the page data ICanvas canvas = new DesignerCanvas(); canvas.Add(new OmrMarkEngine.Output.Design.OutputVisualizationStencil(pageData)); original.Dispose(); original = new Bitmap((int)template.BottomRight.X, (int)template.BottomLeft.Y, System.Drawing.Imaging.PixelFormat.Format24bppRgb); using (Graphics g = Graphics.FromImage(original)) { float width = template.TopRight.X - template.TopLeft.X, height = template.BottomLeft.Y - template.TopLeft.Y; g.DrawImage(scannedImage.Image, template.TopLeft.X, template.TopLeft.Y, width, height); canvas.DrawTo(g); } // Save original analyzed image try { String tPath = Path.GetTempFileName(); original.Save(tPath); pageData.AnalyzedImage = tPath; } catch { } var oldOriginal = original; original = (Image) new AForge.Imaging.Filters.ResizeNearestNeighbor(scannedImage.Image.Width / 2, scannedImage.Image.Height / 2).Apply((Bitmap)original); oldOriginal.Dispose(); lock (this.m_lockObject) { if (pageData.Outcome == OmrScanOutcome.Failure) { ListViewItem lsv = new ListViewItem(); lsv.Tag = 0; lsv.SubItems.Add(new ListViewItem.ListViewSubItem(lsv, pageData.ErrorMessage)); lock (this.m_lockObject) this.m_uiResults.Add(lsv, original); } else { var validation = pageData.Validate(template); ListViewItem lsv = new ListViewItem(); lsv.Tag = validation.IsValid ? 2 : 1; if (!validation.IsValid) { lsv.SubItems.Add(validation.Issues[0]); } lsv.Tag = pageData; lock (this.m_lockObject) this.m_executionQueue.Enqueue(new KeyValuePair <OmrTemplate, OmrPageOutput>(template, pageData)); lock (this.m_lockObject) this.m_uiResults.Add(lsv, original); } this.m_scannedPages.Pages.Add(pageData); } } } catch (Exception e) { ListViewItem lsv = new ListViewItem(); lsv.Tag = 0; lsv.SubItems.Add(e.Message); lock (this.m_lockObject) this.m_uiResults.Add(lsv, original); } }