public OverlayInfo Resize(SizeD oldOverSize, SizeD newOverSize, SizeD oldSrcSize, SizeD newSrcSize)
{
var rect = GetRectangle(oldOverSize);
var coefWidth = newSrcSize.Width / oldSrcSize.Width;
var coefHeight = newSrcSize.Height / oldSrcSize.Height;
rect = new RectangleD(
rect.X * coefWidth,
rect.Y * coefHeight,
rect.Width * coefWidth,
rect.Height * coefHeight
);
var info = Clone();
info.Warp = Warp.Scale(coefWidth, coefHeight);
coefWidth = newOverSize.Width / rect.Width;
coefHeight = newOverSize.Height / rect.Height;
info.SourceWidth = (int)Math.Floor(newSrcSize.Width);
info.SourceHeight = (int)Math.Floor(newSrcSize.Height);
info.X = (int)Math.Ceiling(rect.X);
info.Y = (int)Math.Ceiling(rect.Y);
info.Width = (int)Math.Floor(rect.Right) - info.X;
info.Height = (int)Math.Floor(rect.Bottom) - info.Y;
info.SetCrop(RectangleD.FromLTRB(
(info.X - rect.X) * coefWidth,
(info.Y - rect.Y) * coefHeight,
(rect.Right - info.Width - info.X) * coefWidth,
(rect.Bottom - info.Height - info.Y) * coefHeight
));
return(info);
}
public RectangleD GetCrop()
{
return(RectangleD.FromLTRB(
CropLeft / CROP_VALUE_COUNT_R,
CropTop / CROP_VALUE_COUNT_R,
CropRight / CROP_VALUE_COUNT_R,
CropBottom / CROP_VALUE_COUNT_R));
}
public static RectangleD RealCrop(this Rectangle crop)
{
return(RectangleD.FromLTRB(
crop.Left / OverlayInfo.CROP_VALUE_COUNT_R,
crop.Top / OverlayInfo.CROP_VALUE_COUNT_R,
crop.Right / OverlayInfo.CROP_VALUE_COUNT_R,
crop.Bottom / OverlayInfo.CROP_VALUE_COUNT_R
));
}
public dynamic ResizeRotate(
Clip clip,
string resizeFunc, string rotateFunc,
int width, int height, int angle = 0,
RectangleD crop = default, Warp warp = default)
{
if (clip == null)
{
return(null);
}
var dynamic = clip.Dynamic();
if (warp != null && !warp.IsEmpty)
{
dynamic = dynamic.Warp(warp.ToArray(), relative: true, resample: OverlayUtils.GetWarpResampleMode(resizeFunc));
}
var vi = clip.GetVideoInfo();
if (crop.IsEmpty && width == vi.width && height == vi.height)
{
return(dynamic);
}
var intCrop = Rectangle.FromLTRB(
(int)Math.Floor(crop.Left),
(int)Math.Floor(crop.Top),
(int)Math.Floor(crop.Right),
(int)Math.Floor(crop.Bottom)
);
if (!intCrop.IsEmpty)
{
dynamic = dynamic.Crop(intCrop.Left, intCrop.Top, -intCrop.Right, -intCrop.Bottom);
crop = RectangleD.FromLTRB(
crop.Left - intCrop.Left,
crop.Top - intCrop.Top,
crop.Right - intCrop.Right,
crop.Bottom - intCrop.Bottom
);
}
if (crop.IsEmpty)
{
dynamic = dynamic.Invoke(resizeFunc, width, height);
}
else
{
dynamic = dynamic.Invoke(resizeFunc, width, height,
src_left: crop.Left, src_top: crop.Top,
src_width: -crop.Right, src_height: -crop.Bottom);
}
return(angle == 0 ? dynamic : dynamic.Invoke(rotateFunc, angle / 100.0));
}
public dynamic ResizeRotate(
Clip clip,
string resizeFunc, string rotateFunc,
int width, int height, int angle = 0,
RectangleD crop = default)
{
if (clip == null || crop == RectangleD.Empty && width == clip.GetVideoInfo().width&& height == clip.GetVideoInfo().height)
{
return(clip.Dynamic());
}
var intCrop = Rectangle.FromLTRB(
(int)Math.Floor(crop.Left),
(int)Math.Floor(crop.Top),
(int)Math.Floor(crop.Right),
(int)Math.Floor(crop.Bottom)
);
if (!intCrop.IsEmpty)
{
clip = DynamicEnv.Crop(clip, intCrop.Left, intCrop.Top, -intCrop.Right, -intCrop.Bottom);
crop = RectangleD.FromLTRB(
crop.Left - intCrop.Left,
crop.Top - intCrop.Top,
crop.Right - intCrop.Right,
crop.Bottom - intCrop.Bottom
);
}
dynamic resized;
if (crop == RectangleD.Empty)
{
resized = clip.Dynamic().Invoke(resizeFunc, width, height);
}
else
{
resized = clip.Dynamic().Invoke(resizeFunc, width, height,
src_left: crop.Left, src_top: crop.Top,
src_width: -crop.Right, src_height: -crop.Bottom);
}
if (angle == 0)
{
return(resized);
}
return(resized.Invoke(rotateFunc, angle / 100.0));
}
public OverlayInfo Invert(Size srcSize, Size overSize)
{
var rect = GetRectangle(overSize);
var info = Clone();
var invertedRect = new RectangleD(
-rect.X,
-rect.Y,
srcSize.Width,
srcSize.Height
);
info.Angle = -Angle;
info.X = (int)Math.Ceiling(invertedRect.X);
info.Y = (int)Math.Ceiling(invertedRect.Y);
info.Width = (int)Math.Floor(invertedRect.Right) - info.X;
info.Height = (int)Math.Floor(invertedRect.Bottom) - info.Y;
info.SetCrop(RectangleD.FromLTRB(
info.X - invertedRect.X,
info.Y - invertedRect.Y,
invertedRect.Right - info.Width - info.X,
invertedRect.Bottom - info.Height - info.Y
));
return(info.Resize(srcSize, invertedRect.Size, rect.Size, overSize));
}
public OverlayInfo Shrink(Size srcSize, Size overSize)
{
var info = Clone();
var excess = Rectangle.FromLTRB(
Math.Max(0, -info.X),
Math.Max(0, -info.Y),
Math.Max(0, info.Width + info.X - srcSize.Width),
Math.Max(0, info.Height + info.Y - srcSize.Height));
var widthCoef = (double)overSize.Width / info.Width;
var heightCoef = (double)overSize.Height / info.Height;
info.Width -= excess.Left + excess.Right;
info.Height -= excess.Top + excess.Bottom;
info.X = Math.Max(0, info.X);
info.Y = Math.Max(0, info.Y);
var crop = info.GetCrop();
info.SetCrop(RectangleD.FromLTRB(
crop.Left + excess.Left * widthCoef,
crop.Top + excess.Top * heightCoef,
crop.Right + excess.Right * widthCoef,
crop.Bottom + excess.Bottom * heightCoef));
return(info);
}