public ImageCropper(string[] files, int skipRate, VideoSize size, int startX, int endX, int startY, int endY, double startZoom, double endZoom, string directory)
{
mFiles = files;
mSkipRate = skipRate;
mVideoSize = size;
mStartX = startX;
mEndX = endX;
mStartY = startY;
mEndY = endY;
mStartZoom = startZoom;
mEndZoom = endZoom;
mDirectory = directory;
}
public void UpdateOutputStatus()
{
int numInputs = mFiles.Length;
int skipRate = (int)ImageSkip.Value;
int numOutputs = numInputs / skipRate;
double imageInterval = (double)ImageInterval.Value;
double frameRate = (double)VideoFrameRate.Value;
double speedupFactor = imageInterval * frameRate * skipRate;
TimeSpan originalDuration = new TimeSpan(0, 0, (int)(numInputs * imageInterval));
TimeSpan outputDuration = new TimeSpan(0, 0, (int)(numInputs * imageInterval / speedupFactor));
VideoSize vidSize = mVideoSizes[VideoSize.SelectedIndex];
outputsLabel.Text = string.Format("Outputs:\n{0} frames\n{1} x {2}", numOutputs, vidSize.Width, vidSize.Height);
calculatorLabel.Text = string.Format("Timing:\nOrig: {0}\nOut: {1}\nSpeedup: {2}x", originalDuration, outputDuration, speedupFactor);
}
public void DrawImage(bool drawOnStartImage)
{
PictureBox pictureBox = EndImage;
string filename = mFiles[mFiles.Length - 1];
int xOffset = (int)EndXOffset.Value;
int yOffset = (int)EndYOffset.Value;
double zoom = (double)EndZoom.Value;
VideoSize vidSize = mVideoSizes[VideoSize.SelectedIndex];
if (drawOnStartImage)
{
pictureBox = StartImage;
filename = mFiles[0];
xOffset = (int)StartXOffset.Value;
yOffset = (int)StartYOffset.Value;
zoom = (double)StartZoom.Value;
}
Image inputImage = Image.FromFile(filename);
double inputRatio = (double)inputImage.Width / inputImage.Height;
int outputHeight = (int)(pictureBox.Size.Width / inputRatio);
double imageZoom = (double)inputImage.Width / pictureBox.Size.Width;
if (drawOnStartImage)
{
InputStatus.Text = string.Format("{0} input files at {1}x{2}", mFiles.Length, inputImage.Width, inputImage.Height);
}
Bitmap bm = new Bitmap(inputImage, pictureBox.Size.Width, outputHeight);
Graphics grap = Graphics.FromImage(bm);
grap.InterpolationMode = InterpolationMode.HighQualityBicubic;
Rectangle rect = new Rectangle((int)(xOffset / imageZoom), (int)(yOffset / imageZoom), (int)(vidSize.Width * zoom / imageZoom), (int)(vidSize.Height * zoom / imageZoom));
grap.DrawRectangle(Pens.Red, rect);
pictureBox.Image = bm;
}
private void DoCropping()
{
string directory = string.Format("{0}\\Cropped {1}x", mDirectory, mRealtimeMultiplier);
int appender = 0;
while (Directory.Exists(directory))
{
appender++;
directory = string.Format("{0}\\Cropped {1}x_{2}", mDirectory, mRealtimeMultiplier, appender);
}
Directory.CreateDirectory(directory);
int numInputs = mFiles.Length;
int numOutputs = numInputs / mSkipRate;
//Parallel.For(0, numOutputs, (i) => {
for (int i = 0; i < numOutputs; i++)
{
ClipInfo clipInfo = null;
if (mClipInfos != null)
{
clipInfo = mClipInfos[i * mSkipRate];
}
if (Event != null)
{
Event(this, new CropperEventArgs(i, numOutputs, null));
}
int xOffset = clipInfo != null ? clipInfo.Offset.X : (int)(mStartX + ((mEndX - mStartX) * i / (numOutputs - 1)));
int yOffset = clipInfo != null ? clipInfo.Offset.Y : (int)(mStartY + ((mEndY - mStartY) * i / (numOutputs - 1)));
double zoom = clipInfo != null ? clipInfo.Zoom : (double)(mStartZoom + ((mEndZoom - mStartZoom) * i / (numOutputs - 1)));
if (clipInfo != null)
{
mVideoSize = clipInfo.FrameSize;
}
//Get the output filename
string outName = string.Format("{0}\\{1}_{2}x_{3:00000}.png", directory, mLabel, mRealtimeMultiplier, i);
Console.WriteLine(string.Format("Processing frame {0}, ({1}, {2}), output {3}", i, xOffset, yOffset, outName));
//Crop the image
using (Bitmap bmpImage = new Bitmap(mFiles[i * mSkipRate]))
{
using (Bitmap bmpCrop = bmpImage.Clone(new Rectangle(xOffset, yOffset, (int)(mVideoSize.Width * zoom), (int)(mVideoSize.Height * zoom)), bmpImage.PixelFormat))
{
using (Bitmap bm = new Bitmap(bmpCrop, mVideoSize.Width, mVideoSize.Height))
{
Graphics grap = Graphics.FromImage(bm);
grap.InterpolationMode = InterpolationMode.HighQualityBicubic;
//Save the image
bm.Save(outName);
grap.Dispose();
if (Event != null)
{
Event(this, new CropperEventArgs(i, numOutputs, bm));
}
}
}
}
}
//});
if (Event != null)
{
Event(this, new CropperEventArgs(numOutputs, numOutputs, null));
}
}