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Added image size reduction.

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This commit is contained in:
Jared Goodwin 2019-03-08 07:49:42 -08:00
parent f4d47a6d34
commit ed0cb0eca3
7 changed files with 32 additions and 16 deletions
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26
Remotely_ScreenCast/Capture/ImageDiff.cs
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@ -15,14 +15,17 @@ namespace Remotely_ScreenCast.Capture
{
private static EncoderParameters EncoderParams { get; } = new EncoderParameters()
{
Param = new EncoderParameter[] { new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 0) }
Param = new EncoderParameter[]
{
new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 25L),
new EncoderParameter(System.Drawing.Imaging.Encoder.ColorDepth, 8L)
}
};
private static ImageCodecInfo CodecInfo { get; } = ImageCodecInfo.GetImageEncoders().FirstOrDefault(x => x.FormatID == ImageFormat.Png.Guid);
public static Bitmap GetImageDiff(Bitmap currentFrame, Bitmap previousFrame, bool captureFullscreen)
{
if (currentFrame.Height != previousFrame.Height || currentFrame.Width != previousFrame.Width)
{
throw new Exception("Bitmaps are not of equal dimensions.");
@ -95,10 +98,23 @@ namespace Remotely_ScreenCast.Capture
{
using (var ms = new MemoryStream())
{
// Byte array that indicates top left coordinates of the image.
bitmap.Save(ms, CodecInfo, EncoderParams);
// Byte array that indicates top left coordinates of the image.
return ms.ToArray();
var bytes = ms.ToArray();
if (bytes.Length > 200000)
{
var reducedBitmap = (Bitmap)bitmap.Clone();
while (bytes.Length > 200000)
{
using (var ms2 = new MemoryStream())
{
reducedBitmap = new Bitmap(reducedBitmap, reducedBitmap.Width / 2, reducedBitmap.Height / 2);
reducedBitmap.Save(ms2, CodecInfo, EncoderParams);
bytes = ms2.ToArray();
}
}
}
return bytes;
}
}
}

6
Remotely_ScreenCast/Program.cs
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@ -134,14 +134,14 @@ namespace Remotely_ScreenCast
private static void StartWaitForViewerTimer()
{
var timer = new System.Timers.Timer(5000);
var timer = new System.Timers.Timer(10000);
timer.AutoReset = false;
timer.Elapsed += (sender, arg) =>
{
// Shut down if no viewers have connected within 5 seconds.
// Shut down if no viewers have connected within 10 seconds.
if (Viewers.Count == 0)
{
Logger.Write("No viewers connected after 5 seconds. Shutting down.");
Logger.Write("No viewers connected after 10 seconds. Shutting down.");
Environment.Exit(0);
}
};

2
Remotely_Server/Data/ApplicationDbContext.cs
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@ -14,7 +14,7 @@ namespace Remotely_Server.Data
public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options)
: base(options)
{
this.Database.Migrate();
//this.Database.Migrate();
}
public DbSet<CommandContext> CommandContexts { get; set; }

8
Remotely_Server/Data/DataService.cs
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@ -263,7 +263,7 @@ namespace Remotely_Server.Data
RemotelyContext.Devices.ForEachAsync(x =>
{
x.IsOnline = false;
});
}).Wait();
RemotelyContext.SaveChanges();
}
@ -441,21 +441,21 @@ namespace Remotely_Server.Data
.ForEachAsync(x =>
{
RemotelyContext.Remove(x);
});
}).Wait();
RemotelyContext.CommandContexts
.Where(x => DateTime.Now - x.TimeStamp > TimeSpan.FromDays(AppConfig.DataRetentionInDays))
.ForEachAsync(x =>
{
RemotelyContext.Remove(x);
});
}).Wait();
RemotelyContext.Devices
.Where(x => DateTime.Now - x.LastOnline > TimeSpan.FromDays(AppConfig.DataRetentionInDays))
.ForEachAsync(x =>
{
RemotelyContext.Remove(x);
});
}).Wait();
}
}

2
Remotely_Server/wwwroot/scripts/RemoteControl/RCBrowserSockets.js
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@ -114,7 +114,7 @@ export class RCBrowserSockets {
var url = window.URL.createObjectURL(new Blob([buffer]));
var img = document.createElement("img");
img.onload = () => {
UI.Screen2DContext.drawImage(img, 0, 0);
UI.Screen2DContext.drawImage(img, 0, 0, UI.ScreenViewer.width, UI.ScreenViewer.height);
window.URL.revokeObjectURL(url);
};
img.src = url;

2
Remotely_Server/wwwroot/scripts/RemoteControl/RCBrowserSockets.js.map
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File diff suppressed because one or more lines are too long

2
Remotely_Server/wwwroot/scripts/RemoteControl/RCBrowserSockets.ts
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@ -122,7 +122,7 @@ export class RCBrowserSockets {
var url = window.URL.createObjectURL(new Blob([buffer]));
var img = document.createElement("img");
img.onload = () => {
UI.Screen2DContext.drawImage(img, 0, 0);
UI.Screen2DContext.drawImage(img, 0, 0, UI.ScreenViewer.width, UI.ScreenViewer.height);
window.URL.revokeObjectURL(url);
};
img.src = url;