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Refactor thumbnail handlers into provider classes

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ema
2025-08-02 23:58:55 +08:00
parent e342cd0851
commit fbfd2484df
11 changed files with 470 additions and 170 deletions
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45
QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Providors/AbstractProvidor.cs Normal file
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// Copyright © 2017-2025 QL-Win Contributors
//
// This file is part of QuickLook program.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
using QuickLook.Common.Plugin;
using System;
using System.Diagnostics;
using System.IO;
using System.Windows;
using System.Windows.Media.Imaging;
namespace QuickLook.Plugin.ThumbnailViewer.Providors;
internal abstract class AbstractProvidor
{
public virtual void Prepare(string path, ContextObject context)
{
try
{
using Stream imageData = ViewImage(path);
BitmapImage bitmap = imageData.ReadAsBitmapImage();
context.SetPreferredSizeFit(new Size(bitmap.PixelWidth, bitmap.PixelHeight), 0.8d);
}
catch (Exception ex)
{
Debug.WriteLine($"Error reading thumbnail from {path}: {ex.Message}");
context.PreferredSize = new Size { Width = 800, Height = 600 };
}
}
public abstract Stream ViewImage(string path);
}