protected override void Draw()
{
if (!SelectedPatch.x0.HasValue || !SelectedPatch.y0.HasValue)
{
return;
}
Rectangle crop;
var mask = _map.GetMask(SelectedPatch.x0.Value, SelectedPatch.y0.Value, out crop, GetPatchScale());
mask = mask.Canny(new Gray(149), new Gray(255)).Dilate(5);
// draw the mask on the image
DisplayedImage.ROI = crop;
for (int i = 0; i < mask.Rows; i++)
{
for (int j = 0; j < mask.Cols; j++)
{
if ((float)mask[i, j].Intensity > 0)
{
DisplayedImage.Data[crop.Top + i, crop.Left + j, 0] = 255;
DisplayedImage.Data[crop.Top + i, crop.Left + j, 1] = 255;
DisplayedImage.Data[crop.Top + i, crop.Left + j, 2] = 0;
//new Rgb(Color.Yellow);
}
}
}
DisplayedImage.ROI = Rectangle.Empty;
DisplayedImage.Draw(crop, new Rgb(Color.Wheat), 1);
// draw markers
DrawMarker(SelectedPatch.x0.Value, SelectedPatch.y0.Value, new Rgb(Color.DodgerBlue));
DrawCenterMarker();
}
protected override void Draw()
{
DrawCenterMarker();
// This will draw the patch boundaries
if (SelectedPatch.x0.HasValue && SelectedPatch.x1.HasValue && SelectedPatch.y0.HasValue && SelectedPatch.y1.HasValue)
{
var r = new Rectangle(SelectedPatch.x0.Value, SelectedPatch.y0.Value,
SelectedPatch.x1.Value - SelectedPatch.x0.Value,
SelectedPatch.y1.Value - SelectedPatch.y0.Value);
var c = SelectedPatch.IsRejected ? new Rgb(Color.DarkOrange) : new Rgb(Color.YellowGreen);
DisplayedImage.Draw(r, c, 20);
}
}
/// <summary>Adds the given file to the displayed list</summary>
private void ShowPicture(DisplayedImage image)
{
PictureBox ctr = new PictureBox();
MemoryImage memory = new MemoryImage(image.Filename); // this is used for its SVG handling. We don't really need the memory buffer overhead!
ctr.Image = memory.GetNetImage();
ctr.Tag = image;
ctr.Size = new Size(100, 100);
ctr.SizeMode = PictureBoxSizeMode.Zoom;
ctr.Margin = new Padding(10, 10, 10, 10);
ctr.Padding = new Padding(10, 10, 10, 10);
ctr.Click += Image_Click;
ctr.DoubleClick += Image_DoubleClick;
pnlImages.Controls.Add(ctr);
}
private async void DoSearch()
{
SetInfo(null, false);
ClearImages();
string text = txtText.Text;
if (text.Length < MINCHARS)
{
m_Message = Strings.Item("SAW_Edit_OS_TooShort").Replace("%0", MINCHARS.ToString());
return;
}
m_Message = Strings.Item("SAW_Edit_OS_Contacting");
pnlImages.Invalidate();
try
{
// sample URL: https://www.opensymbols.org/api/v1/symbols/search?q=house
string searchResult = await GetStringAsync(@"https://www.opensymbols.org/api/v1/symbols/search?q=" + Uri.EscapeUriString(text));
pnlImages.Invalidate();
var json = JArray.Parse(searchResult);
if (json.Count == 0)
{
m_Message = Strings.Item("SAW_Edit_OS_NoneFound");
}
else
{
if (json.Count > MAXIMAGES)
{
SetInfo(Strings.Item("SAW_Edit_OS_TooMany").Replace("%0", json.Count.ToString()).Replace("%1", MAXIMAGES.ToString()), true);
}
int failures = 0;
foreach (JObject imageJson in json.Take(MAXIMAGES))
{
try
{
DisplayedImage image = await GetImage(imageJson);
if (image != null)
{
if (m_Message != null) // remove message, if any, once first image is displayed
{
m_Message = null;
pnlImages.Invalidate();
}
ShowPicture(image);
}
}
catch (Exception ex)
{
Utilities.LogSubError("Image " + (imageJson["symbol_key"]?.ToString() ?? "?") + " failed: " + ex.Message);
failures += 1;
}
}
if (failures > 0)
{
SetInfo(Strings.Item("SAW_Edit_OS_SomeFailed").Replace("%0", failures.ToString()), true);
}
}
}
catch (Exception ex)
{
m_Message = Strings.Item("SAW_Edit_OS_Failed") + ex.Message;
Utilities.LogSubError(ex);
}
pnlImages.Invalidate();
}
