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Add Wave cut effect

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This commit is contained in:
Niels Martin Hansen 2022-08-17 18:24:02 +02:00
parent 21bb827d03
commit a342f8d2b6
2 changed files with 88 additions and 3 deletions
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87
ShareX.HelpersLib/Helpers/ImageHelpers.cs
View file

@ -237,7 +237,7 @@ private static Bitmap ApplyCutOutEffect(Bitmap bmp, AnchorStyles effectEdge, Cut
return TornEdges(bmp, effectSize, effectSize * 2, effectEdge, false);
case CutOutEffectType.Wave:
return bmp;
return WavyEdges(bmp, effectSize, effectSize * 5, effectEdge);
case CutOutEffectType.Gradient:
return bmp;
@ -1664,6 +1664,91 @@ public static void FastBoxBlur(Bitmap bmp, int radius)
}
}
public static Bitmap WavyEdges(Bitmap bmp, int waveDepth, int waveRange, AnchorStyles sides)
{
if (waveDepth < 1 || waveRange < 1 || sides == AnchorStyles.None)
{
return bmp;
}
List<Point> points = new List<Point>();
int horizontalWaveCount = Math.Max(2, (bmp.Width / waveRange + 1) / 2 * 2) - 1;
int verticalWaveCount = Math.Max(2, (bmp.Height / waveRange + 1) / 2 * 2) - 1;
Bitmap updateResult(Bitmap bmpIn, Point[] path)
{
Bitmap bmpResult = bmpIn.CreateEmptyBitmap();
using (bmpIn)
using (Graphics g = Graphics.FromImage(bmpResult))
using (TextureBrush brush = new TextureBrush(bmpIn))
{
g.SetHighQuality();
g.FillPolygon(brush, path);
}
return bmpResult;
};
int waveFunction(int t, int max, int depth) => (int)((1 - Math.Cos(t * Math.PI / max)) * depth / 2);
if (sides.HasFlag(AnchorStyles.Top) && horizontalWaveCount > 1)
{
waveRange = bmp.Width / horizontalWaveCount;
points.Clear();
for (int x = 0; x < bmp.Width; x += waveDepth)
{
points.Add(new Point(x, waveFunction(x, waveRange, waveDepth)));
}
points.Add(new Point(bmp.Width - 1, waveFunction(bmp.Width - 1, waveRange, waveDepth)));
points.Add(new Point(bmp.Width - 1, bmp.Height - 1));
points.Add(new Point(0, bmp.Height - 1));
bmp = updateResult(bmp, points.ToArray());
}
if (sides.HasFlag(AnchorStyles.Right) && verticalWaveCount > 1)
{
waveRange = bmp.Height / verticalWaveCount;
points.Clear();
points.Add(new Point(0, 0));
for (int y = 0; y < bmp.Height; y += waveDepth)
{
points.Add(new Point(bmp.Width - 1 - waveDepth + waveFunction(y, waveRange, waveDepth), y));
}
points.Add(new Point(bmp.Width - 1 - waveDepth + waveFunction(bmp.Height - 1, waveRange, waveDepth), bmp.Height - 1));
points.Add(new Point(0, bmp.Height - 1));
bmp = updateResult(bmp, points.ToArray());
}
if (sides.HasFlag(AnchorStyles.Bottom) && horizontalWaveCount > 1)
{
waveRange = bmp.Width / horizontalWaveCount;
points.Clear();
points.Add(new Point(0, 0));
points.Add(new Point(bmp.Width - 1, 0));
for (int x = bmp.Width - 1; x >= 0; x -= waveDepth)
{
points.Add(new Point(x, bmp.Height - 1 - waveDepth + waveFunction(x, waveRange, waveDepth)));
}
points.Add(new Point(0, bmp.Height - 1 - waveDepth + waveFunction(0, waveRange, waveDepth)));
bmp = updateResult(bmp, points.ToArray());
}
if (sides.HasFlag(AnchorStyles.Left) && verticalWaveCount > 1)
{
waveRange = bmp.Height / verticalWaveCount;
points.Add(new Point(0, 0));
points.Add(new Point(bmp.Width - 1, 0));
points.Add(new Point(bmp.Width - 1, bmp.Height - 1));
for (int y = bmp.Height - 1; y >= 0; y -= waveDepth)
{
points.Add(new Point(waveFunction(y, waveRange, waveDepth), y));
}
bmp = updateResult(bmp, points.ToArray());
}
return bmp;
}
public static Bitmap TornEdges(Bitmap bmp, int tornDepth, int tornRange, AnchorStyles sides, bool curvedEdges)
{
if (tornDepth < 1 || tornRange < 1 || sides == AnchorStyles.None)

4
ShareX.ScreenCaptureLib/Shapes/ShapeManager.cs
View file

@ -1929,12 +1929,12 @@ public void CutOut(RectangleF rect)
if (isHorizontal && cropRect.Width > 0)
{
CollapseAllHorizontal(rect.X, rect.Width);
UpdateCanvas(ImageHelpers.CutOutBitmapMiddle(Form.Canvas, Orientation.Horizontal, cropRect.X, cropRect.Width, CutOutEffectType.TornEdge, 5));
UpdateCanvas(ImageHelpers.CutOutBitmapMiddle(Form.Canvas, Orientation.Horizontal, cropRect.X, cropRect.Width, CutOutEffectType.Wave, 10));
}
else if (!isHorizontal && cropRect.Height > 0)
{
CollapseAllVertical(rect.Y, rect.Height);
UpdateCanvas(ImageHelpers.CutOutBitmapMiddle(Form.Canvas, Orientation.Vertical, cropRect.Y, cropRect.Height, CutOutEffectType.TornEdge, 5));
UpdateCanvas(ImageHelpers.CutOutBitmapMiddle(Form.Canvas, Orientation.Vertical, cropRect.Y, cropRect.Height, CutOutEffectType.Wave, 10));
}
}