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Fix infinite loop building palette

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This commit is contained in:
tznind
2024-09-15 15:49:44 +01:00
parent eaa5c0e555
commit f8bb2f08b7
1 changed files with 20 additions and 2 deletions
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22
Terminal.Gui/Drawing/Quant/MedianCutPaletteBuilder.cs
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@@ -1,4 +1,6 @@
namespace Terminal.Gui;
using Terminal.Gui;
using Color = Terminal.Gui.Color;
public class MedianCutPaletteBuilder : IPaletteBuilder
{
private readonly IColorDistance _colorDistance;
@@ -31,6 +33,14 @@ public class MedianCutPaletteBuilder : IPaletteBuilder
var largestCube = cubes.Last ();
cubes.RemoveAt (cubes.Count - 1);
// Check if the largest cube contains only one unique color
if (IsSingleColorCube (largestCube))
{
// Add back and stop splitting this cube
cubes.Add (largestCube);
break;
}
var (cube1, cube2) = SplitCube (largestCube);
if (cube1.Any ())
@@ -45,6 +55,7 @@ public class MedianCutPaletteBuilder : IPaletteBuilder
added = true;
}
// Break the loop if no new cubes were added
if (!added)
{
break;
@@ -52,7 +63,14 @@ public class MedianCutPaletteBuilder : IPaletteBuilder
}
// Calculate average color for each cube
return cubes.Select (AverageColor).Distinct().ToList ();
return cubes.Select (AverageColor).Distinct ().ToList ();
}
// Checks if all colors in the cube are the same
private bool IsSingleColorCube (List<Color> cube)
{
var firstColor = cube.First ();
return cube.All (c => c.R == firstColor.R && c.G == firstColor.G && c.B == firstColor.B);
}
// Splits the cube based on the largest color component range