/// <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);
}
}
