protected Image CombineScreenshots(List <ScreenshotInfo> screenshots)
{
List <Image> images = new List <Image>();
Image finalImage = null;
try
{
string infoString = "";
int infoStringHeight = 0;
if (Options.AddMovieInfo)
{
infoString = MediaFile.GetMTNString();
using (Font font = new Font("Arial", 14))
{
infoStringHeight = Helpers.MeasureText(infoString, font).Height;
}
}
foreach (ScreenshotInfo screenshot in screenshots)
{
Image img = Image.FromFile(screenshot.LocalPath);
if (Options.MaxThumbnailWidth > 0 && img.Width > Options.MaxThumbnailWidth)
{
int maxThumbnailHeight = (int)((float)Options.MaxThumbnailWidth / img.Width * img.Height);
img = ImageHelpers.ResizeImage(img, Options.MaxThumbnailWidth, maxThumbnailHeight);
}
images.Add(img);
}
int columnCount = Options.ColumnCount;
int thumbWidth = images[0].Width;
int width = Options.Padding * 2 +
thumbWidth * columnCount +
(columnCount - 1) * Options.Spacing;
int rowCount = (int)Math.Ceiling(images.Count / (float)columnCount);
int thumbHeight = images[0].Height;
int height = Options.Padding * 3 +
infoStringHeight +
thumbHeight * rowCount +
(rowCount - 1) * Options.Spacing;
finalImage = new Bitmap(width, height);
using (Graphics g = Graphics.FromImage(finalImage))
{
g.Clear(Color.WhiteSmoke);
if (!string.IsNullOrEmpty(infoString))
{
using (Font font = new Font("Arial", 14))
{
g.DrawString(infoString, font, Brushes.Black, Options.Padding, Options.Padding);
}
}
int i = 0;
int offsetY = Options.Padding * 2 + infoStringHeight;
for (int y = 0; y < rowCount; y++)
{
int offsetX = Options.Padding;
for (int x = 0; x < columnCount; x++)
{
if (Options.DrawShadow)
{
int shadowOffset = 3;
using (Brush shadowBrush = new SolidBrush(Color.FromArgb(50, Color.Black)))
{
g.FillRectangle(shadowBrush, offsetX + shadowOffset, offsetY + shadowOffset, thumbWidth, thumbHeight);
}
}
g.DrawImage(images[i], offsetX, offsetY, thumbWidth, thumbHeight);
if (Options.AddTimestamp)
{
int timestampOffset = 10;
using (Font font = new Font("Arial", 12))
{
g.DrawTextWithShadow(screenshots[i].Timestamp.ToString(),
new Point(offsetX + timestampOffset, offsetY + timestampOffset), font, Brushes.White, Brushes.Black);
}
}
i++;
if (i >= images.Count)
{
return(finalImage);
}
offsetX += thumbWidth + Options.Spacing;
}
offsetY += thumbHeight + Options.Spacing;
}
}
return(finalImage);
}
catch
{
if (finalImage != null)
{
finalImage.Dispose();
}
throw;
}
finally
{
foreach (Image image in images)
{
if (image != null)
{
image.Dispose();
}
}
}
}
public override void TakeScreenshot()
{
string tempFp = Path.Combine(ScreenshotDir, MplayerScreenshotFileName);
int time_slice = (int)(MediaFile.SegmentDuration / ((Options.NumberOfScreenshots + 1) * 1000));
if (File.Exists(tempFp))
{
File.Delete(tempFp);
}
List <string> fpPaths = new List <string>();
List <Screenshot> tempSS = new List <Screenshot>();
for (int i = 0; i < Options.NumberOfScreenshots; i++)
{
int time_slice_elapsed = time_slice * (i + 1);
string arg = string.Format("-nosound -ss {0} -zoom -vf screenshot -frames 1 -vo png:z=9:outdir=\\\"{1}\\\" \"{2}\"", time_slice_elapsed,
ScreenshotDir,
MediaFile.FilePath);
ProcessStartInfo psi = new ProcessStartInfo(Program.Settings.MPlayerPath);
psi.WindowStyle = ProcessWindowStyle.Minimized;
psi.Arguments = arg;
Process p = new Process();
p.StartInfo = psi;
p.Start();
p.WaitForExit(1000 * 30);
string temp_fp = Path.Combine(ScreenshotDir, string.Format("{0}-{1}.png", Path.GetFileNameWithoutExtension(MediaFile.FilePath), time_slice_elapsed));
if (File.Exists(temp_fp))
{
File.Delete(temp_fp);
}
if (File.Exists(tempFp))
{
File.Move(tempFp, temp_fp);
fpPaths.Add(temp_fp);
tempSS.Add(new Screenshot(temp_fp)
{
Args = arg
});
}
}
if (fpPaths.Count > 0)
{
if (Options.CombineScreenshots)
{
System.Drawing.Image img = Combine(fpPaths.ToArray(), 5, Options.CombineScreenshotsAddMovieInfo ? MediaFile.GetMTNString() : "");
string temp_fp = Path.Combine(ScreenshotDir, Path.GetFileNameWithoutExtension(MediaFile.FilePath) + "_s.png");
img.Save(temp_fp, ImageFormat.Png);
Screenshots.Add(new Screenshot(temp_fp)
{
Args = tempSS[0].Args
});
}
else
{
Screenshots.AddRange(tempSS);
}
}
}