private void EyeDropperButton_PreviewMouseMove(object sender, MouseEventArgs e)
{
var str = new Native.PointW();
Native.GetCursorPos(ref str);
var image = Native.CaptureBitmapSource((int)_captureSize.Width, (int)_captureSize.Height, str.X - (int)(_captureSize.Width / 2d), str.Y - (int)(_captureSize.Height / 2d));
if (image.Format != PixelFormats.Bgra32)
{
image = new FormatConvertedBitmap(image, PixelFormats.Bgra32, null, 0);
}
EyeDropperImage.Source = image;
var pix = new PixelUtil(image);
pix.LockBits();
UpdateMarkerPosition(pix.GetPixel((int)(_captureSize.Width / 2d), (int)(_captureSize.Height / 2d)));
#region Update the values
_isUpdating = true;
AlphaIntegerUpDown.Value = SelectedColor.A;
RedIntegerUpDown.Value = SelectedColor.R;
GreenIntegerUpDown.Value = SelectedColor.G;
BlueIntegerUpDown.Value = SelectedColor.B;
_isUpdating = false;
#endregion
pix.UnlockBits();
}
private void EyeDropperButton_PreviewMouseMove(object sender, MouseEventArgs e)
{
var str = new Native.PointW();
Native.GetCursorPos(ref str);
var image = Native.CaptureBitmapSource((int)_captureSize.Width, (int)_captureSize.Height, str.X - (int)(_captureSize.Width / 2d), str.Y - (int)(_captureSize.Height / 2d));
if (image.Format != PixelFormats.Bgra32)
{
image = new FormatConvertedBitmap(image, PixelFormats.Bgra32, null, 0);
}
EyeDropperImage.Source = image;
var pix = new PixelUtil(image);
pix.LockBits();
UpdateMarkerPosition(pix.GetPixel((int)(_captureSize.Width / 2d), (int)(_captureSize.Height / 2d)));
pix.UnlockBits();
}
/// <summary>
/// Applies the pixelate effect in given frame.
/// </summary>
/// <param name="image">The image to pixelate.</param>
/// <param name="rectangle">The area to pixelate.</param>
/// <param name="pixelateSize">The size of the pixel.</param>
/// <param name="useMedian">Calculate the median color of the pixel block.</param>
/// <returns>A pixelated Bitmap.</returns>
public static BitmapSource Pixelate(BitmapSource image, Int32Rect rectangle, int pixelateSize, bool useMedian)
{
var croppedImage = new CroppedBitmap(image, rectangle);
var pixelUtil = new PixelUtil(croppedImage);
pixelUtil.LockBits();
//Loop through all the blocks that should be pixelated.
for (var xx = 0; xx < croppedImage.PixelWidth; xx += pixelateSize)
{
for (var yy = 0; yy < croppedImage.PixelHeight; yy += pixelateSize)
{
var offsetX = pixelateSize / 2;
var offsetY = pixelateSize / 2;
if (xx + offsetX >= croppedImage.PixelWidth)
{
offsetX = croppedImage.PixelWidth;
}
if (yy + offsetY >= croppedImage.PixelHeight)
{
offsetY = croppedImage.PixelHeight;
}
//Get the pixel color in the center of the soon to be pixelated area.
var pixel = useMedian ? pixelUtil.GetMedianColor(xx, yy, offsetX, offsetY) : pixelUtil.GetPixel(xx + offsetX, yy + offsetY);
//For each pixel in the pixelate size, set it to the center color.
for (var x = xx; x < xx + pixelateSize && x < croppedImage.PixelWidth; x++)
{
for (var y = yy; y < yy + pixelateSize && y < croppedImage.PixelHeight; y++)
{
pixelUtil.SetPixel(x, y, pixel);
}
}
}
}
return(pixelUtil.UnlockBits());
}
private void GeneratePalette(string path)
{
var colorList = new List <Color>();
NonIndexedPixels = new List <Color>();
#region Get the Pixels
var image = path.SourceFrom();
var pixelUtil = new PixelUtil(image);
pixelUtil.LockBits();
for (int x = 0; x < image.PixelWidth; x++)
{
for (int y = 0; y < image.PixelHeight; y++)
{
colorList.Add(pixelUtil.GetPixel(x, y));
}
}
pixelUtil.UnlockBits();
#endregion
//Save all the pixels in a property.
NonIndexedPixels.AddRange(colorList);
//TODO: more ways to decide which color to get
//Like removing similar colors (with less than 5% similarity) if there is more than 256 colors, etc.
//I probably can do that, using the groupby method.
//if (NonIndexedPixels.Count == 100)
//{
// ColorTable = new List<Color>
// {
// Color.FromRgb(255, 255, 255),
// Color.FromRgb(255, 0, 0),
// Color.FromRgb(0, 0, 255)
// };
// return;
//}
ColorTable = colorList.GroupBy(x => x) //Grouping based on its value
.OrderByDescending(g => g.Count()) //Order by most frequent values
.Select(g => g.FirstOrDefault()) //take the first among the group
.Take(256).ToList();
//Make sure that the transparent color is added to list.
if (!IsFirstFrame && TransparentColor.HasValue && ColorTable.Count == 256)
{
//Only adds if there is 256 colors, so I need to make sure that the color won't be ignored.
//If there is less than 256 selected colors, it means that the transparent color is already selected.
//If the color isn't on the list, add or replace.
if (ColorTable.All(x => x != TransparentColor.Value))
{
//Adds to the last spot, keeping it sorted. (Since all the colors are ordered by descending)
ColorTable.Insert(255, TransparentColor.Value);
//Remove the exceding value at the last position.
ColorTable.RemoveAt(256);
}
}
//I need to signal the other method that I won't need transparency.
WillUseTransparency = TransparentColor.HasValue && ColorTable.Contains(TransparentColor.Value);
}
/// <summary>
/// Analizes all frames (from the end to the start) and paints all unchanged pixels with a given color,
/// after, it cuts the image to reduce filesize.
/// </summary>
/// <param name="listToEncode">The list of frames to analize.</param>
/// <param name="transparent">The color to paint the unchanged pixels.</param>
/// <param name="id">The Id of the current Task.</param>
/// <param name="tokenSource">The cancelation token source.</param>
/// <returns>A List contaning all frames and its cut points</returns>
public static List <FrameInfo> PaintTransparentAndCut(List <FrameInfo> listToEncode, Color transparent, int id, CancellationTokenSource tokenSource)
{
//End to start FOR
for (int index = listToEncode.Count - 1; index > 0; index--)
{
#region Cancellation
if (tokenSource.Token.IsCancellationRequested)
{
Encoder.SetStatus(Status.Cancelled, id);
break;
}
#endregion
#region For each Frame, from the end to the start
Encoder.Update(id, index - 1);
//First frame is ignored.
if (index <= 0)
{
continue;
}
#region Get Image Info
var imageAux1 = listToEncode[index - 1].ImageLocation.From();
var imageAux2 = listToEncode[index].ImageLocation.From();
var startY = new bool[imageAux1.Height];
var startX = new bool[imageAux1.Width];
var image1 = new PixelUtil(imageAux1); //Previous image
var image2 = new PixelUtil(imageAux2); //Actual image
image1.LockBits();
image2.LockBits();
int height = imageAux1.Height;
int width = imageAux1.Width;
#endregion
//Only use Parallel if the image is big enough.
if ((width * height) > 150000)
{
#region Parallel Loop
//x - width - sides
Parallel.For(0, width, x =>
{
//y - height - up/down
for (int y = 0; y < height; y++)
{
if (image1.GetPixel(x, y) == image2.GetPixel(x, y))
{
image2.SetPixel(x, y, transparent);
}
else
{
#region Get the Changed Pixels
startX[x] = true;
startY[y] = true;
#endregion
}
}
}); //SPEEEEEED, alot!
#endregion
}
else
{
#region Sequential Loop
//x - width - sides
for (int x = 0; x < width; x++)
{
//y - height - up/down
for (int y = 0; y < height; y++)
{
#region For each Pixel
if (image1.GetPixel(x, y) == image2.GetPixel(x, y))
{
image2.SetPixel(x, y, transparent);
}
else
{
#region Get the Changed Pixels
startX[x] = true;
startY[y] = true;
#endregion
}
#endregion
}
}
#endregion
}
image1.UnlockBits();
image2.UnlockBits();
#region Verify positions
int firstX = startX.ToList().FindIndex(x => x);
int lastX = startX.ToList().FindLastIndex(x => x);
if (firstX == -1)
{
firstX = 0;
}
if (lastX == -1)
{
lastX = imageAux1.Width;
}
int firstY = startY.ToList().FindIndex(x => x);
int lastY = startY.ToList().FindLastIndex(x => x);
if (lastY == -1)
{
lastY = imageAux1.Height;
}
if (firstY == -1)
{
firstY = 0;
}
if (lastX < firstX)
{
int aux = lastX;
lastX = firstX;
firstX = aux;
}
if (lastY < firstY)
{
int aux = lastY;
lastY = firstY;
firstY = aux;
}
#endregion
#region Get the Width and Height
int heigthCut = Math.Abs(lastY - firstY);
int widthCut = Math.Abs(lastX - firstX);
if (heigthCut != height)
{
heigthCut++;
}
else
{
//It means that no pixel got changed.
heigthCut = 1;
//So i cut to 1 pixel to save the most, 0 can't be.
}
if (widthCut != width)
{
widthCut++;
}
else
{
widthCut = 1;
}
#endregion
//Cut the images and get the new values.
var imageSave2 = new Bitmap(imageAux2.Clone(new Rectangle(firstX, firstY, widthCut, heigthCut), imageAux2.PixelFormat));
imageAux2.Dispose();
imageAux1.Dispose();
#region Update Image Info and Save
imageSave2.Save(listToEncode[index].ImageLocation);
listToEncode[index].PositionTopLeft = new Point(firstX, firstY);
#endregion
GC.Collect(1);
#endregion
}
return(listToEncode);
}
/// <summary>
/// Analizes all frames (from the end to the start) and paints all unchanged pixels with a given color,
/// after, it cuts the image to reduce filesize.
/// </summary>
/// <param name="listToEncode">The list of frames to analize.</param>
/// <param name="id">The Id of the Task.</param>
/// <param name="tokenSource">The cancelation token source.</param>
public static List <FrameInfo> CutUnchanged(List <FrameInfo> listToEncode, int id, CancellationTokenSource tokenSource)
{
//First frame rect.
var size = listToEncode[0].ImageLocation.ScaledSize();
listToEncode[0].Rect = new Int32Rect(0, 0, (int)size.Width, (int)size.Height);
//End to start FOR
for (int index = listToEncode.Count - 1; index > 0; index--)
{
#region Cancellation
if (tokenSource.Token.IsCancellationRequested)
{
Windows.Encoder.SetStatus(Status.Canceled, id);
break;
}
#endregion
#region For each Frame, from the end to the start
Windows.Encoder.Update(id, index - 1);
//First frame is ignored.
if (index <= 0)
{
continue;
}
#region Get Image Info
var imageAux1 = listToEncode[index - 1].ImageLocation.From();
var imageAux2 = listToEncode[index].ImageLocation.From();
var startY = new bool[imageAux1.Height];
var startX = new bool[imageAux1.Width];
var image1 = new PixelUtil(imageAux1); //Previous image
var image2 = new PixelUtil(imageAux2); //Actual image
image1.LockBits();
image2.LockBits();
int height = imageAux1.Height;
int width = imageAux1.Width;
#endregion
//Only use Parallel if the image is big enough.
if ((width * height) > 150000)
{
#region Parallel Loop
//x - width - sides
Parallel.For(0, width, x =>
{
//y - height - up/down
for (int y = 0; y < height; y++)
{
if (image1.GetPixel(x, y) != image2.GetPixel(x, y))
{
#region Get the Changed Pixels
startX[x] = true;
startY[y] = true;
#endregion
}
}
}); //SPEEEEEED, alot!
#endregion
}
else
{
#region Sequential Loop
//x - width - sides
for (int x = 0; x < width; x++)
{
//y - height - up/down
for (int y = 0; y < height; y++)
{
#region For each Pixel
if (image1.GetPixel(x, y) != image2.GetPixel(x, y))
{
#region Get the Changed Pixels
startX[x] = true;
startY[y] = true;
#endregion
}
#endregion
}
}
#endregion
}
image1.UnlockBits();
image2.UnlockBits();
#region Verify positions
int firstX = startX.ToList().FindIndex(x => x);
int lastX = startX.ToList().FindLastIndex(x => x);
if (firstX == -1)
{
firstX = 0;
}
if (lastX == -1)
{
lastX = imageAux1.Width;
}
int firstY = startY.ToList().FindIndex(x => x);
int lastY = startY.ToList().FindLastIndex(x => x);
if (lastY == -1)
{
lastY = imageAux1.Height;
}
if (firstY == -1)
{
firstY = 0;
}
if (lastX < firstX)
{
int aux = lastX;
lastX = firstX;
firstX = aux;
}
if (lastY < firstY)
{
int aux = lastY;
lastY = firstY;
firstY = aux;
}
#endregion
#region Get the Width and Height
int heightCut = Math.Abs(lastY - firstY);
int widthCut = Math.Abs(lastX - firstX);
//If nothing changed, shift the delay.
if ((heightCut + widthCut) == (height + width))
{
listToEncode[index - 1].Delay += listToEncode[index].Delay;
listToEncode[index].Rect = new Int32Rect(0, 0, 0, 0);
GC.Collect(1);
continue;
}
else
{
if (heightCut != height)
{
heightCut++;
}
if (widthCut != width)
{
widthCut++;
}
}
listToEncode[index].Rect = new Int32Rect(firstX, firstY, widthCut, heightCut);
#endregion
#region Update Image Info and Save
//Cut the images and get the new values.
var imageSave2 = new Bitmap(imageAux2.Clone(
new Rectangle(firstX, firstY, widthCut, heightCut),
imageAux2.PixelFormat));
imageAux2.Dispose();
imageAux1.Dispose();
imageSave2.Save(listToEncode[index].ImageLocation);
#endregion
GC.Collect(1);
#endregion
}
return(listToEncode);
}
