internal static Size?ImageSize(string file)
{
var check = SupportedFiles.IsSupportedFile(file);
if (!check.HasValue)
{
return(null);
}
if (!check.Value)
{
return(null);
}
using var magick = new MagickImage();
try
{
magick.Read(file);
}
#if DEBUG
catch (MagickException e)
{
Trace.WriteLine("ImageSize returned " + file + " null, \n" + e.Message);
return(null);
}
#else
catch (MagickException) { return(null); }
#endif
return(new Size(magick.Width, magick.Height));
}
/// <summary>
/// Check if dragged file is valid,
/// returns false for valid file with no thumbnail,
/// true for valid file with thumbnail
/// and null for invalid file
/// </summary>
/// <param name="files"></param>
/// <returns></returns>
private static bool?Drag_Drop_Check(string[] files)
{
// Return if file strings are null
if (files == null)
{
return(null);
}
if (files[0] == null)
{
return(null);
}
// Return status of useable file
return(SupportedFiles.IsSupportedFile(Path.GetExtension(files[0])));
}
internal static BitmapSource GetBitmapSourceThumb(string path)
{
var supported = SupportedFiles.IsSupportedFile(path);
if (!supported.HasValue)
{
return(null);
}
if (supported.Value)
{
return(GetWindowsThumbnail(path));
}
else if (!supported.Value)
{
return(GetMagickImageThumb(path));
}
return(null);
}
/// <summary>
/// Returns thumb for common images
/// </summary>
/// <param name="x"></param>
/// <param name="startup"></param>
/// <returns></returns>
internal static BitmapSource GetThumb(int x, bool startup)
{
if (!startup)
{
return(GetThumb(x));
}
var supported = SupportedFiles.IsSupportedFile(Pics[x]);
if (!supported.HasValue)
{
return(null);
}
if (supported.Value)
{
return(GetThumb(x));
}
return(null);
}
/// <summary>
/// Decodes image from file to BitMapSource
/// </summary>
/// <param name="file">Absolute path of the file</param>
/// <returns></returns>
internal static BitmapSource RenderToBitmapSource(string file)
{
var check = SupportedFiles.IsSupportedFile(file);
if (!check.HasValue)
{
return(null);
}
try
{
using var filestream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, 4096, FileOptions.SequentialScan);
if (check.Value)
{
var sKBitmap = SKBitmap.Decode(filestream);
if (sKBitmap == null)
{
return(null);
}
var pic = sKBitmap.ToWriteableBitmap();
pic.Freeze();
sKBitmap.Dispose();
return(pic);
}
else
{
using MagickImage magick = new MagickImage();
var mrs = new MagickReadSettings()
{
Density = new Density(300, 300),
BackgroundColor = MagickColors.Transparent,
};
try
{
magick.Read(filestream, mrs);
filestream.Close();
}
catch (MagickException e)
{
#if DEBUG
Trace.WriteLine("GetMagickImage returned " + file + " null, \n" + e.Message);
#endif
return(null);
}
// Set values for maximum quality
magick.Quality = 100;
magick.ColorSpace = ColorSpace.Transparent;
var pic = magick.ToBitmapSource();
pic.Freeze();
magick.Dispose();
return(pic);
}
}
catch (Exception e)
{
#if DEBUG
Trace.WriteLine("RenderToBitmapSource returned " + file + " null, \n" + e.Message);
#endif
return(null);
}
}
/// <summary>
/// Decodes image from file to BitMapSource
/// </summary>
/// <param name="file">Absolute path of the file</param>
/// <returns></returns>
internal static async Task <BitmapSource> RenderToBitmapSource(string file)
{
var check = SupportedFiles.IsSupportedFile(file);
if (!check.HasValue)
{
return(null);
}
try
{
if (check.Value)
{
var filestream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, 4096, FileOptions.SequentialScan);
var sKBitmap = SKBitmap.Decode(filestream);
await filestream.DisposeAsync().ConfigureAwait(false);
if (sKBitmap == null)
{
return(null);
}
var pic = sKBitmap.ToWriteableBitmap();
pic.Freeze();
sKBitmap.Dispose();
return(pic);
}
else
{
using MagickImage magick = new MagickImage();
try
{
magick.Read(file);
}
catch (MagickException e)
{
#if DEBUG
Trace.WriteLine("GetMagickImage returned " + file + " null, \n" + e.Message);
#endif
return(null);
}
// Set values for maximum quality
magick.Quality = 100;
magick.ColorSpace = ColorSpace.Transparent;
var pic = magick.ToBitmapSource();
pic.Freeze();
return(pic);
}
}
catch (Exception e)
{
#if DEBUG
Trace.WriteLine("RenderToBitmapSource returned " + file + " null, \n" + e.Message);
#endif
return(null);
}
}