public void PostProcess()
{
for (var i = 0; i < Images.Count; i++)
if (Images[i] != OriginImages[i])
Images[i].Dispose();
Images = OriginImages;
if(Reverse)
{
Images = Images.Select((originImg) =>
{
var bitmap = new SKBitmap(originImg.Width, originImg.Height, SKColorType.Bgra8888, SKAlphaType.Premul);
using (var canvas = new SKCanvas(bitmap))
{
canvas.Clear();
canvas.Scale(-1, 1);
canvas.DrawBitmap(originImg, new SKRectI(0, 0, originImg.Width, originImg.Height), new SKRectI(-originImg.Width, 0, 0, originImg.Height));
canvas.Flush();
canvas.Dispose();
}
return bitmap;
}).ToList();
}
if(ClipTransparent)
{
var clipList = new SKRectI[Images.Count];
for (var i = 0; i < Images.Count; i++)
{
var bitmap = Images[i];
var clip = new SKRectI();
if (ClipTransparent)
{
// Clip X
for (var x = 0; x < bitmap.Width; x++)
{
if (!ColumnTransparentScan(bitmap, x))
{
clip.Left = x;
break;
}
}
for (var x = bitmap.Width - 1; x >= 0; x--)
{
if (!ColumnTransparentScan(bitmap, x))
{
clip.Right = x + 1;
break;
}
}
// Clip Y
for (var y = 0; y < bitmap.Height; y++)
{
if (!RowTransparentScan(bitmap, y))
{
clip.Top = y;
break;
}
}
for (var y = bitmap.Height - 1; y >= 0; y--)
{
if (!RowTransparentScan(bitmap, y))
{
clip.Bottom = y + 1;
break;
}
}
}
clipList[i] = clip;
}
var minX = clipList.Select(rect => rect.Left).Min();
var minY = clipList.Select(rect => rect.Top).Min();
var images = new List<SKBitmap>();
for (var i = 0; i < Images.Count; i++)
{
var clip = clipList[i];
clip.Left = minX;
clip.Top = minY;
var bitmap = new SKBitmap(clip.Width, clip.Height, SKColorType.Bgra8888, SKAlphaType.Premul);
using (var canvas = new SKCanvas(bitmap))
{
canvas.Clear();
canvas.DrawBitmap(Images[i], clip, new SKRectI(0, 0, clip.Width, clip.Height));
canvas.Flush();
canvas.Dispose();
}
images.Add(bitmap);
if (Images != OriginImages)
Images[i].Dispose();
}
Images = images;
}
}
