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Fix #249: handle Unicode file names in PDF viewer

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Paddy Xu
2018-06-06 20:05:47 +03:00
parent 10b2c4b47c
commit 2e370cc972
11 changed files with 81 additions and 1607 deletions
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36
QuickLook.Plugin/QuickLook.Plugin.PDFViewer/PdfPageExtension.cs
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@@ -1,4 +1,4 @@
// Copyright © 2017 Paddy Xu
// Copyright © 2018 Paddy Xu
//
// This file is part of QuickLook program.
//
@@ -16,39 +16,43 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>.
using System;
using System.Windows.Media;
using System.Drawing;
using System.Windows.Media.Imaging;
using PDFiumSharp;
using PdfiumViewer;
using QuickLook.Common.ExtensionMethods;
using QuickLook.Common.Helpers;
namespace QuickLook.Plugin.PDFViewer
{
internal static class PdfPageExtension
{
public static BitmapSource RenderThumbnail(this PdfPage page)
public static BitmapSource RenderThumbnail(this PdfDocument doc, int page)
{
var factorX = 130d / page.Width;
var factorY = 210d / page.Height;
var size = doc.PageSizes[page];
var factorX = 130d / size.Width;
var factorY = 210d / size.Height;
return page.Render(Math.Min(factorX, factorY), false);
return doc.Render(page, Math.Min(factorX, factorY), false);
}
public static BitmapSource Render(this PdfPage page, double factor, bool fixDpi = true)
public static BitmapSource Render(this PdfDocument doc, int page, double factor, bool fixDpi = true)
{
var size = doc.PageSizes[page];
var scale = DpiHelper.GetCurrentScaleFactor();
var dpiX = fixDpi ? scale.Horizontal * DpiHelper.DefaultDpi : 96;
var dpiY = fixDpi ? scale.Vertical * DpiHelper.DefaultDpi : 96;
var realWidth = (int) Math.Round(page.Width * scale.Horizontal * factor);
var realHeight = (int) Math.Round(page.Height * scale.Vertical * factor);
var realWidth = (int) Math.Round(size.Width * scale.Horizontal * factor);
var realHeight = (int) Math.Round(size.Height * scale.Vertical * factor);
var bitmap = new WriteableBitmap(realWidth, realHeight, dpiX, dpiY, PixelFormats.Bgr24, null);
page.Render(bitmap,
flags: RenderingFlags.LimitImageCache | RenderingFlags.Annotations | RenderingFlags.DontCatch |
RenderingFlags.LcdText);
var bitmap = doc.Render(page, realWidth, realHeight, dpiX, dpiY,
PdfRenderFlags.LimitImageCacheSize | PdfRenderFlags.LcdText | PdfRenderFlags.Annotations|PdfRenderFlags.ForPrinting) as Bitmap;
bitmap.Freeze();
return bitmap;
var bs = bitmap?.ToBitmapSource();
bitmap?.Dispose();
bs?.Freeze();
return bs;
}
}
}