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[FileExplorerAddOns]Improves handling of Gcode Thumbnails (#27947)

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* Improves handling of Gcode Thumbnails

* Remove Peek support

* Moves GcodeHelper to PreviewHandlerCommon

* Reverts minor change

* Skip unknown data on GcodeHelper.GetBestThumbnail

* Replaces QOI.Core with QoiImage

* Fixes spellchecker

* Reverts changes to NOTICE.md

* Minor QoiImage improvements

* Use custom QoiPixel struct

* Add MIT notice for the QOI reference code

* Fix spellcheck for the MIT notice

* Update NOTICE.md

tweaked notice a bit
This commit is contained in:
Pedro Lamas
2023-09-19 15:33:55 +01:00
committed by GitHub
parent cc454701b8
commit 4ba1d83cf5
22 changed files with 103394 additions and 55303 deletions
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72
src/modules/previewpane/GcodePreviewHandler/GcodePreviewHandlerControl.cs
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@@ -2,14 +2,6 @@
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.ComTypes;
using System.Text;
using System.Windows.Forms;
using Common;
using Common.Utilities;
using Microsoft.PowerToys.PreviewHandler.Gcode.Telemetry.Events;
@@ -67,7 +59,9 @@ namespace Microsoft.PowerToys.PreviewHandler.Gcode
using (var reader = new StreamReader(fs))
{
thumbnail = GetThumbnail(reader);
var gcodeThumbnail = GcodeHelper.GetBestThumbnail(reader);
thumbnail = gcodeThumbnail?.GetBitmap();
}
_infoBarAdded = false;
@@ -92,66 +86,6 @@ namespace Microsoft.PowerToys.PreviewHandler.Gcode
}
}
/// <summary>
/// Reads the G-code content searching for thumbnails and returns the largest.
/// </summary>
/// <param name="reader">The TextReader instance for the G-code content.</param>
/// <returns>A thumbnail extracted from the G-code content.</returns>
public static Bitmap GetThumbnail(TextReader reader)
{
if (reader == null)
{
return null;
}
Bitmap thumbnail = null;
var bitmapBase64 = GetBase64Thumbnails(reader)
.OrderByDescending(x => x.Length)
.FirstOrDefault();
if (!string.IsNullOrEmpty(bitmapBase64))
{
var bitmapBytes = Convert.FromBase64String(bitmapBase64);
thumbnail = new Bitmap(new MemoryStream(bitmapBytes));
}
return thumbnail;
}
/// <summary>
/// Gets all thumbnails in base64 format found on the G-code data.
/// </summary>
/// <param name="reader">The TextReader instance for the G-code content.</param>
/// <returns>An enumeration of thumbnails in base64 format found on the G-code.</returns>
private static IEnumerable<string> GetBase64Thumbnails(TextReader reader)
{
string line;
StringBuilder capturedText = null;
while ((line = reader.ReadLine()) != null)
{
if (line.StartsWith("; thumbnail begin", StringComparison.InvariantCulture))
{
capturedText = new StringBuilder();
}
else if (line == "; thumbnail end")
{
if (capturedText != null)
{
yield return capturedText.ToString();
capturedText = null;
}
}
else if (capturedText != null)
{
capturedText.Append(line[2..]);
}
}
}
/// <summary>
/// Occurs when RichtextBox is resized.
/// </summary>