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Just an experimental feature, doing an OCR in the capture form.

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This commit is contained in:
Robin Krom 2020-02-20 23:00:08 +01:00
commit 5222d3e562
1 changed files with 57 additions and 24 deletions
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33
Greenshot/Forms/CaptureForm.cs
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@ -32,7 +32,10 @@ using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Globalization;
using System.Security.Permissions;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Windows.Threading;
using GreenshotPlugin.IniFile;
using GreenshotPlugin.Interfaces;
@ -302,6 +305,22 @@ namespace Greenshot.Forms {
ToFront = !ToFront;
TopMost = !TopMost;
break;
case Keys.O:
if (_capture.OcrInformation is null)
{
var ocrProvider = SimpleServiceProvider.Current.GetInstance<IOcrProvider>();
if (ocrProvider is object)
{
var uiTaskScheduler = SimpleServiceProvider.Current.GetInstance<TaskScheduler>();
Task.Factory.StartNew(async () =>
{
_capture.OcrInformation = await ocrProvider.DoOcrAsync(_capture.Image);
Invalidate();
}, CancellationToken.None, TaskCreationOptions.None, uiTaskScheduler);
}
}
break;
}
}
@ -698,6 +717,20 @@ namespace Greenshot.Forms {
Rectangle clipRectangle = e.ClipRectangle;
//graphics.BitBlt((Bitmap)buffer, Point.Empty);
graphics.DrawImageUnscaled(_capture.Image, Point.Empty);
var ocrInfo = _capture.OcrInformation;
if (ocrInfo != null)
{
using var pen = new Pen(Color.Red);
foreach (var line in ocrInfo.Lines)
{
var lineBounds = line.CalculatedBounds;
if (!lineBounds.IsEmpty)
{
graphics.DrawRectangle(pen, line.CalculatedBounds);
}
}
}
// Only draw Cursor if it's (partly) visible
if (_capture.Cursor != null && _capture.CursorVisible && clipRectangle.IntersectsWith(new Rectangle(_capture.CursorLocation, _capture.Cursor.Size))) {
graphics.DrawIcon(_capture.Cursor, _capture.CursorLocation.X, _capture.CursorLocation.Y);