/// <summary>
/// Start the preview on the Control.
/// </summary>
/// <param name="dataSource">Stream reference to access source file.</param>
public override void DoPreview <T>(T dataSource)
{
CleanupWebView2UserDataFolder();
string svgData = null;
bool blocked = false;
try
{
using (var stream = new ReadonlyStream(dataSource as IStream))
{
using (var reader = new StreamReader(stream))
{
svgData = reader.ReadToEnd();
}
}
blocked = SvgPreviewHandlerHelper.CheckBlockedElements(svgData);
}
catch (Exception ex)
{
PreviewError(ex, dataSource);
return;
}
try
{
svgData = SvgPreviewHandlerHelper.AddStyleSVG(svgData);
}
catch (Exception ex)
{
PowerToysTelemetry.Log.WriteEvent(new SvgFilePreviewError {
Message = ex.Message
});
}
InvokeOnControlThread(() =>
{
try
{
_infoBarAdded = false;
// Add a info bar on top of the Preview if any blocked element is present.
if (blocked)
{
_infoBarAdded = true;
AddTextBoxControl(Properties.Resource.BlockedElementInfoText);
}
AddWebViewControl(svgData);
Resize += FormResized;
base.DoPreview(dataSource);
PowerToysTelemetry.Log.WriteEvent(new SvgFilePreviewed());
}
catch (Exception ex)
{
PreviewError(ex, dataSource);
}
});
}
/// <inheritdoc/>
public void GetThumbnail(uint cx, out IntPtr phbmp, out WTS_ALPHATYPE pdwAlpha)
{
phbmp = IntPtr.Zero;
pdwAlpha = WTS_ALPHATYPE.WTSAT_UNKNOWN;
if (cx == 0 || cx > MaxThumbnailSize)
{
return;
}
using (var stream = new ReadonlyStream(this.Stream as IStream))
{
using (var memStream = new MemoryStream())
{
stream.CopyTo(memStream);
memStream.Position = 0;
using (Bitmap thumbnail = GetThumbnail(memStream, cx))
{
if (thumbnail != null && thumbnail.Size.Width > 0 && thumbnail.Size.Height > 0)
{
phbmp = thumbnail.GetHbitmap(System.Drawing.Color.Transparent);
pdwAlpha = WTS_ALPHATYPE.WTSAT_ARGB;
}
}
}
}
}
public void StreamWrapperShouldSetValidBufferWhenReadCalled(int count, int offset)
{
// Arrange
var inputBuffer = new byte[1024];
var streamBytes = new byte[count];
for (int i = 0; i < count; i++)
{
streamBytes[i] = (byte)i;
}
var streamMock = new Mock <IStream>();
streamMock
.Setup(x => x.Read(It.IsAny <byte[]>(), It.IsAny <int>(), It.IsAny <IntPtr>()))
.Callback <byte[], int, IntPtr>((buffer, countToRead, bytesReadPtr) =>
{
Array.Copy(streamBytes, 0, buffer, 0, streamBytes.Length);
Marshal.WriteInt32(bytesReadPtr, count);
});
using (var streamWrapper = new ReadonlyStream(streamMock.Object))
{
// Act
var bytesRead = streamWrapper.Read(inputBuffer, offset, count);
// Assert
CollectionAssert.AreEqual(streamBytes, inputBuffer.Skip(offset).Take(count).ToArray());
Assert.AreEqual(count, bytesRead);
}
}
/// <inheritdoc/>
public void GetThumbnail(uint cx, out IntPtr phbmp, out WTS_ALPHATYPE pdwAlpha)
{
phbmp = IntPtr.Zero;
pdwAlpha = WTS_ALPHATYPE.WTSAT_UNKNOWN;
if (cx == 0 || cx > MaxThumbnailSize)
{
return;
}
using var dataStream = new ReadonlyStream(this.Stream as IStream);
using var memStream = new MemoryStream();
dataStream.CopyTo(memStream);
memStream.Position = 0;
// AsRandomAccessStream() extension method from System.Runtime.WindowsRuntime
var pdf = PdfDocument.LoadFromStreamAsync(memStream.AsRandomAccessStream()).GetAwaiter().GetResult();
if (pdf.PageCount > 0)
{
using var page = pdf.GetPage(0);
var image = PageToImage(page, cx);
using Bitmap thumbnail = new Bitmap(image);
phbmp = thumbnail.GetHbitmap();
pdwAlpha = WTS_ALPHATYPE.WTSAT_RGB;
}
}
/// <inheritdoc/>
public void GetThumbnail(uint cx, out IntPtr phbmp, out WTS_ALPHATYPE pdwAlpha)
{
phbmp = IntPtr.Zero;
pdwAlpha = WTS_ALPHATYPE.WTSAT_UNKNOWN;
if (cx == 0 || cx > MaxThumbnailSize)
{
return;
}
string svgData = null;
using (var stream = new ReadonlyStream(this.Stream as IStream))
{
using (var reader = new StreamReader(stream))
{
svgData = reader.ReadToEnd();
}
}
if (svgData != null)
{
using (Bitmap thumbnail = GetThumbnail(svgData, cx))
{
if (thumbnail != null && thumbnail.Size.Width > 0 && thumbnail.Size.Height > 0)
{
phbmp = thumbnail.GetHbitmap();
pdwAlpha = WTS_ALPHATYPE.WTSAT_RGB;
}
}
}
}
public void StreamWrapperShouldCallIStreamSeekWithValidArgumentsWhenSeekCalled(long offset, SeekOrigin origin)
{
// Arrange
int expectedDwOrigin = 0;
switch (origin)
{
case SeekOrigin.Begin:
expectedDwOrigin = 0;
break;
case SeekOrigin.Current:
expectedDwOrigin = 1;
break;
case SeekOrigin.End:
expectedDwOrigin = 2;
break;
}
var streamMock = new Mock <IStream>();
using (var streamWrapper = new ReadonlyStream(streamMock.Object))
{
// Act
streamWrapper.Seek(offset, origin);
// Assert
streamMock.Verify(_ => _.Seek(It.Is <long>(actualOffset => actualOffset == offset), It.Is <int>(actualDwOrigin => actualDwOrigin == expectedDwOrigin), It.IsAny <IntPtr>()), Times.Once);
}
}
public void StreamWrapperShouldReturnValidPosition()
{
// Arrange
int expectedDwOrigin = 1; // STREAM_SEEK_CUR
long expectedOffset = 0;
long currPosition = 5;
var streamMock = new Mock <IStream>();
streamMock
.Setup(x => x.Seek(It.IsAny <long>(), It.IsAny <int>(), It.IsAny <IntPtr>()))
.Callback <long, int, IntPtr>((dlibMove, dwOrigin, plibNewPosition) =>
{
Marshal.WriteInt64(plibNewPosition, currPosition);
});
using (var streamWrapper = new ReadonlyStream(streamMock.Object))
{
// Act
var actualPosition = streamWrapper.Position;
// Assert
Assert.AreEqual(actualPosition, currPosition);
streamMock.Verify(_ => _.Seek(It.Is <long>(offset => offset == expectedOffset), It.Is <int>(dworigin => dworigin == expectedDwOrigin), It.IsAny <IntPtr>()), Times.Once);
}
}
public void StreamWrapper_ShouldReturnCanWriteFalse()
{
// Arrange
var streamMock = new Mock <IStream>();
// Act
var streamWrapper = new ReadonlyStream(streamMock.Object);
// Assert
Assert.AreEqual(streamWrapper.CanWrite, false);
}
public void StreamWrapperShouldReturnCanSeekTrue()
{
// Arrange
var streamMock = new Mock <IStream>();
// Act
using (var streamWrapper = new ReadonlyStream(streamMock.Object))
{
// Assert
Assert.AreEqual(streamWrapper.CanSeek, true);
}
}
/// <summary>
/// Start the preview on the Control.
/// </summary>
/// <param name="dataSource">Stream reference to access source file.</param>
public override void DoPreview <T>(T dataSource)
{
string svgData = null;
bool blocked = false;
try
{
using (var stream = new ReadonlyStream(dataSource as IStream))
{
using (var reader = new StreamReader(stream))
{
svgData = reader.ReadToEnd();
}
}
blocked = SvgPreviewHandlerHelper.CheckBlockedElements(svgData);
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception ex)
#pragma warning restore CA1031 // Do not catch general exception types
{
PreviewError(ex, dataSource);
return;
}
InvokeOnControlThread(() =>
{
try
{
_infoBarAdded = false;
// Add a info bar on top of the Preview if any blocked element is present.
if (blocked)
{
_infoBarAdded = true;
AddTextBoxControl(Resource.BlockedElementInfoText);
}
AddBrowserControl(svgData);
Resize += FormResized;
base.DoPreview(dataSource);
PowerToysTelemetry.Log.WriteEvent(new SvgFilePreviewed());
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception ex)
#pragma warning restore CA1031 // Do not catch general exception types
{
PreviewError(ex, dataSource);
}
});
}
public void StreamWrapperShouldCallIStreamSeekWhenSetPosition()
{
// Arrange
long positionToSet = 5;
int expectedDwOrigin = 0; // STREAM_SEEK_SET
var streamMock = new Mock <IStream>();
using (var streamWrapper = new ReadonlyStream(streamMock.Object))
{
// Act
streamWrapper.Position = positionToSet;
// Assert
streamMock.Verify(_ => _.Seek(It.Is <long>(offset => offset == positionToSet), It.Is <int>(dworigin => dworigin == expectedDwOrigin), It.IsAny <IntPtr>()), Times.Once);
}
}
/// <inheritdoc/>
public void GetThumbnail(uint cx, out IntPtr phbmp, out WTS_ALPHATYPE pdwAlpha)
{
phbmp = IntPtr.Zero;
pdwAlpha = WTS_ALPHATYPE.WTSAT_UNKNOWN;
if (cx == 0 || cx > MaxThumbnailSize)
{
return;
}
string svgData = null;
using (var stream = new ReadonlyStream(this.Stream as IStream))
{
using (var reader = new StreamReader(stream))
{
svgData = reader.ReadToEnd();
try
{
// Fixes #17527 - Inkscape v1.1 swapped order of default and svg namespaces in svg file (default first, svg after).
// That resulted in parser being unable to parse it correctly and instead of svg, text was previewed.
// MS Edge and Firefox also couldn't preview svg files with mentioned order of namespaces definitions.
svgData = SvgPreviewHandlerHelper.SwapNamespaces(svgData);
svgData = SvgPreviewHandlerHelper.AddStyleSVG(svgData);
}
catch (Exception)
{
}
}
}
if (svgData != null)
{
using (Bitmap thumbnail = GetThumbnail(svgData, cx))
{
if (thumbnail != null && thumbnail.Size.Width > 0 && thumbnail.Size.Height > 0)
{
phbmp = thumbnail.GetHbitmap();
pdwAlpha = WTS_ALPHATYPE.WTSAT_RGB;
}
}
}
}
public void StreamWrapper_ShouldThrow_IfInitializeWithNullStream()
{
// Arrange
IStream stream = null;
ArgumentNullException exception = null;
// Act
try
{
var streamWrapper = new ReadonlyStream(stream);
}
catch (ArgumentNullException ex)
{
exception = ex;
}
// Assert
Assert.IsNotNull(exception);
}
/// <summary>
/// Start the preview on the Control.
/// </summary>
/// <param name="dataSource">Stream reference to access source file.</param>
public override void DoPreview <T>(T dataSource)
{
InvokeOnControlThread(() =>
{
try
{
Bitmap thumbnail = null;
using (var stream = new ReadonlyStream(dataSource as IStream))
{
using (var reader = new StreamReader(stream))
{
#pragma warning disable CA2000 // Do not dispose here
thumbnail = GetThumbnail(reader);
#pragma warning restore CA2000
}
}
_infoBarAdded = false;
if (thumbnail == null)
{
_infoBarAdded = true;
AddTextBoxControl(Properties.Resource.GcodeWithoutEmbeddedThumbnails);
}
else
{
AddPictureBoxControl(thumbnail);
}
Resize += FormResized;
base.DoPreview(dataSource);
PowerToysTelemetry.Log.WriteEvent(new GcodeFilePreviewed());
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception ex)
#pragma warning restore CA1031 // Do not catch general exception types
{
PreviewError(ex, dataSource);
}
});
}
public void StreamWrapper_ShouldReturnValidLength()
{
// Arrange
long streamLength = 5;
var stremMock = new Mock <IStream>();
var stat = new System.Runtime.InteropServices.ComTypes.STATSTG
{
cbSize = streamLength,
};
stremMock
.Setup(x => x.Stat(out stat, It.IsAny <int>()));
var streamWrapper = new ReadonlyStream(stremMock.Object);
// Act
var actualLength = streamWrapper.Length;
// Assert
Assert.AreEqual(actualLength, streamLength);
}
public void StreamWrapper_ShouldThrowNotImplementedException_WhenWriteCalled()
{
// Arrange
var stremMock = new Mock <IStream>();
var streamWrapper = new ReadonlyStream(stremMock.Object);
NotImplementedException exception = null;
// Act
try
{
streamWrapper.Write(new byte[5], 0, 0);
}
catch (NotImplementedException ex)
{
exception = ex;
}
// Assert
Assert.IsNotNull(exception);
}
public void StreamWrapper_ShouldReturnValidPosition_WhenSeekCalled()
{
// Arrange
long position = 5;
var stremMock = new Mock <IStream>();
stremMock
.Setup(x => x.Seek(It.IsAny <long>(), It.IsAny <int>(), It.IsAny <IntPtr>()))
.Callback <long, int, IntPtr>((dlibMove, dwOrigin, plibNewPosition) =>
{
Marshal.WriteInt64(plibNewPosition, position);
});
var streamWrapper = new ReadonlyStream(stremMock.Object);
// Act
var actualPosition = streamWrapper.Seek(0, SeekOrigin.Begin);
// Assert
Assert.AreEqual(position, actualPosition);
}
public void StreamWrapper_ShouldThrow_WhenReadCalledWithOutOfRangeArguments(int bufferLength, int offSet, int bytesToRead)
{
// Arrange
var buffer = new byte[bufferLength];
var stremMock = new Mock <IStream>();
ArgumentOutOfRangeException exception = null;
var streamWrapper = new ReadonlyStream(stremMock.Object);
// Act
try
{
streamWrapper.Read(buffer, offSet, bytesToRead);
}
catch (ArgumentOutOfRangeException ex)
{
exception = ex;
}
// Assert
Assert.IsNotNull(exception);
}
public void StreamWrapperShouldThrowNotImplementedExceptionWhenSetLengthCalled()
{
// Arrange
var streamMock = new Mock <IStream>();
using (var streamWrapper = new ReadonlyStream(streamMock.Object))
{
NotImplementedException exception = null;
// Act
try
{
streamWrapper.SetLength(5);
}
catch (NotImplementedException ex)
{
exception = ex;
}
// Assert
Assert.IsNotNull(exception);
}
}
/// <summary>
/// Start the preview on the Control.
/// </summary>
/// <param name="dataSource">Stream reference to access source file.</param>
public override void DoPreview <T>(T dataSource)
{
this.SuspendLayout();
try
{
using (var dataStream = new ReadonlyStream(dataSource as IStream))
{
var memStream = new MemoryStream();
dataStream.CopyTo(memStream);
memStream.Position = 0;
try
{
// AsRandomAccessStream() extension method from System.Runtime.WindowsRuntime
var pdf = PdfDocument.LoadFromStreamAsync(memStream.AsRandomAccessStream()).GetAwaiter().GetResult();
if (pdf.PageCount > 0)
{
InvokeOnControlThread(() =>
{
_flowLayoutPanel = new FlowLayoutPanel
{
AutoScroll = true,
AutoSize = true,
Dock = DockStyle.Fill,
FlowDirection = FlowDirection.TopDown,
WrapContents = false,
};
_flowLayoutPanel.Resize += FlowLayoutPanel_Resize;
// Only show first 10 pages.
for (uint i = 0; i < pdf.PageCount && i < 10; i++)
{
using (var page = pdf.GetPage(i))
{
var image = PageToImage(page);
var picturePanel = new Panel()
{
Name = "picturePanel",
Margin = new Padding(6, 6, 6, 0),
Size = CalculateSize(image),
BorderStyle = BorderStyle.FixedSingle,
};
var picture = new PictureBox
{
Dock = DockStyle.Fill,
Image = image,
SizeMode = PictureBoxSizeMode.Zoom,
};
picturePanel.Controls.Add(picture);
_flowLayoutPanel.Controls.Add(picturePanel);
}
}
if (pdf.PageCount > 10)
{
var messageBox = new RichTextBox
{
Name = "messageBox",
Text = Resources.PdfMorePagesMessage,
BackColor = Color.LightYellow,
Dock = DockStyle.Fill,
Multiline = true,
ReadOnly = true,
ScrollBars = RichTextBoxScrollBars.None,
BorderStyle = BorderStyle.None,
};
messageBox.ContentsResized += RTBContentsResized;
_flowLayoutPanel.Controls.Add(messageBox);
}
Controls.Add(_flowLayoutPanel);
});
}
}
catch (Exception ex)
{
if (ex.Message.Contains("Unable to update the password. The value provided as the current password is incorrect.", StringComparison.Ordinal))
{
InvokeOnControlThread(() =>
{
Controls.Clear();
_infoBar = GetTextBoxControl(Resources.PdfPasswordProtectedError);
Controls.Add(_infoBar);
});
}
else
{
throw;
}
}
finally
{
memStream.Dispose();
}
}
PowerToysTelemetry.Log.WriteEvent(new PdfFilePreviewed());
}
catch (Exception ex)
{
PowerToysTelemetry.Log.WriteEvent(new PdfFilePreviewError {
Message = ex.Message
});
InvokeOnControlThread(() =>
{
Controls.Clear();
_infoBar = GetTextBoxControl(Resources.PdfNotPreviewedError);
Controls.Add(_infoBar);
});
}
finally
{
base.DoPreview(dataSource);
}
this.ResumeLayout(false);
this.PerformLayout();
}
/// <summary>
/// Start the preview on the Control.
/// </summary>
/// <param name="dataSource">Stream reference to access source file.</param>
public override void DoPreview <T>(T dataSource)
{
CleanupWebView2UserDataFolder();
string svgData = null;
bool blocked = false;
try
{
using (var stream = new ReadonlyStream(dataSource as IStream))
{
using (var reader = new StreamReader(stream))
{
svgData = reader.ReadToEnd();
}
}
blocked = SvgPreviewHandlerHelper.CheckBlockedElements(svgData);
}
catch (Exception ex)
{
PreviewError(ex, dataSource);
return;
}
try
{
// Fixes #17527 - Inkscape v1.1 swapped order of default and svg namespaces in svg file (default first, svg after).
// That resulted in parser being unable to parse it correctly and instead of svg, text was previewed.
// MS Edge and Firefox also couldn't preview svg files with mentioned order of namespaces definitions.
svgData = SvgPreviewHandlerHelper.SwapNamespaces(svgData);
svgData = SvgPreviewHandlerHelper.AddStyleSVG(svgData);
}
catch (Exception ex)
{
PowerToysTelemetry.Log.WriteEvent(new SvgFilePreviewError {
Message = ex.Message
});
}
InvokeOnControlThread(() =>
{
try
{
_infoBarAdded = false;
// Add a info bar on top of the Preview if any blocked element is present.
if (blocked)
{
_infoBarAdded = true;
AddTextBoxControl(Properties.Resource.BlockedElementInfoText);
}
AddWebViewControl(svgData);
Resize += FormResized;
base.DoPreview(dataSource);
PowerToysTelemetry.Log.WriteEvent(new SvgFilePreviewed());
}
catch (Exception ex)
{
PreviewError(ex, dataSource);
}
});
}
