diff options
Diffstat (limited to 'NesTiler/FastBitmap.cs')
| -rw-r--r-- | NesTiler/FastBitmap.cs | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/NesTiler/FastBitmap.cs b/NesTiler/FastBitmap.cs index 5831170..e45a899 100644 --- a/NesTiler/FastBitmap.cs +++ b/NesTiler/FastBitmap.cs @@ -45,9 +45,15 @@ namespace com.clusterrr.Famicom.NesTiler }
}
- public SKColor GetPixelColor(int x, int y)
+ public SKColor GetPixelColor(int x, int y, SKColor? defaultColor = null)
{
- return pixels[((y + verticalOffset) * Width) + x];
+ var index = ((y + verticalOffset) * Width) + x;
+ if (index >= pixels.Length)
+ {
+ if (defaultColor.HasValue) return defaultColor.Value;
+ throw new IndexOutOfRangeException($"Pixel {x}x{y} is out of range");
+ }
+ return pixels[index];
}
public void SetPixelColor(int x, int y, SKColor color)
|