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Added Background & EdgeOverlap options to DrawParticles image effect

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This commit is contained in:
Jaex 2023-12-01 02:00:56 +03:00
parent ad3cad7584
commit cb4d4d1924
1 changed files with 40 additions and 7 deletions
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47
ShareX.ImageEffectsLib/Drawings/DrawParticles.cs
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@ -57,6 +57,9 @@ public int ImageCount
}
}
[DefaultValue(false)]
public bool Background { get; set; }
[DefaultValue(false)]
public bool RandomSize { get; set; }
@ -90,6 +93,9 @@ public int ImageCount
[DefaultValue(0)]
public int NoOverlapOffset { get; set; }
[DefaultValue(false)]
public bool EdgeOverlap { get; set; }
private List<Rectangle> imageRectangles = new List<Rectangle>();
public DrawParticles()
@ -99,7 +105,32 @@ public DrawParticles()
public override Bitmap Apply(Bitmap bmp)
{
string imageFolder = FileHelpers.ExpandFolderVariables(ImageFolder, true);
if (Background)
{
Bitmap result = bmp.CreateEmptyBitmap();
DrawParticlesFromFolder(result, ImageFolder);
using (Graphics g = Graphics.FromImage(result))
{
g.DrawImage(bmp, 0, 0, bmp.Width, bmp.Height);
}
bmp.Dispose();
return result;
}
else
{
DrawParticlesFromFolder(bmp, ImageFolder);
return bmp;
}
}
private void DrawParticlesFromFolder(Bitmap bmp, string imageFolder)
{
imageFolder = FileHelpers.ExpandFolderVariables(imageFolder, true);
if (!string.IsNullOrEmpty(imageFolder) && Directory.Exists(imageFolder))
{
@ -127,8 +158,6 @@ public override Bitmap Apply(Bitmap bmp)
}
}
}
return bmp;
}
private void DrawImage(Image img, Image img2, Graphics g)
@ -161,8 +190,10 @@ private void DrawImage(Image img, Image img2, Graphics g)
return;
}
int xOffset = img.Width - width - 1;
int yOffset = img.Height - height - 1;
int minOffsetX = EdgeOverlap ? -width + 1 : 0;
int minOffsetY = EdgeOverlap ? -height + 1 : 0;
int maxOffsetX = img.Width - (EdgeOverlap ? 0 : width) - 1;
int maxOffsetY = img.Height - (EdgeOverlap ? 0 : height) - 1;
Rectangle rect, overlapRect;
int attemptCount = 0;
@ -170,13 +201,15 @@ private void DrawImage(Image img, Image img2, Graphics g)
do
{
attemptCount++;
if (attemptCount > 1000)
{
return;
}
rect = new Rectangle(RandomFast.Next(Math.Min(0, xOffset), Math.Max(0, xOffset)),
RandomFast.Next(Math.Min(0, yOffset), Math.Max(0, yOffset)), width, height);
int x = RandomFast.Next(Math.Min(minOffsetX, maxOffsetX), Math.Max(minOffsetX, maxOffsetX));
int y = RandomFast.Next(Math.Min(minOffsetY, maxOffsetY), Math.Max(minOffsetY, maxOffsetY));
rect = new Rectangle(x, y, width, height);
overlapRect = rect.Offset(NoOverlapOffset);
} while (NoOverlap && imageRectangles.Any(x => x.IntersectsWith(overlapRect)));