private void SaveResults()
{
SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = "PNG file (*.png)|*.png";
if (sfd.ShowDialog() == DialogResult.OK)
{
int counter = 0;
int maxSize = 100;
int widthMargin = 30;
int heightMargin = 30;
int rowWidth = 5;
Bitmap resultImage = null;
Graphics g = null;
int lastFrame = data.CurrentFrame;
bool isPlaying = videoTimer.Enabled;
data.CurrentFrame = 0;
TransitionData[] cuts = cutDetection.GetTransitions();
TransitionData[] fades = fadeDetection.GetTransitions();
var all = cuts.Union(fades).OrderBy(t => t.StartFrame);
foreach (TransitionData transition in all)
{
bool isCut = true;
int frameIndex = transition.StartFrame + 2;
if (frameIndex >= data.FrameCount)
{
frameIndex = data.FrameCount - 2;
}
if (transition.StartFrame != transition.EndFrame)
{
frameIndex = (transition.StartFrame + transition.EndFrame) / 2;
isCut = false;
}
data.CurrentFrame = frameIndex;
ImageData frame = data.GetNextFrame();
int column = counter % rowWidth;
int row = counter / rowWidth;
int width = frame.Image.Width > maxSize ? maxSize : frame.Image.Width;
int height = frame.Image.Height > maxSize ? maxSize : frame.Image.Height;
widthMargin = (int)(width * 0.3);
heightMargin = (int)(height * 0.3);
int rowHeight = (all.Count() / rowWidth) + 1;
if (resultImage == null)
{
resultImage = new Bitmap(width * rowWidth + (rowWidth + 1) * widthMargin, rowHeight * height + (rowHeight + 1) * heightMargin);
g = Graphics.FromImage(resultImage);
g.TextRenderingHint = TextRenderingHint.AntiAlias;
}
int left = widthMargin + column * (width + widthMargin);
int top = heightMargin + row * (height + heightMargin);
g.DrawImage(frame.Image, left, top, width, height);
string transitionType = "Cut";
if (!isCut)
{
transitionType = "Fade";
}
transitionType += " - " + frameIndex.ToString();
Font font = new Font("Segoe UI", 11, FontStyle.Regular, GraphicsUnit.Pixel);
SizeF sizeType = g.MeasureString(transitionType, font);
g.DrawString(transitionType, font, Brushes.Black, left + width / 2f - sizeType.Width / 2f, top + height + (heightMargin / 2f) - (sizeType.Height / 2));
counter++;
}
g.Dispose();
resultImage.Save(sfd.FileName, ImageFormat.Png);
resultImage.Dispose();
if (isPlaying)
{
data.CurrentFrame = lastFrame;
}
}
}