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mirror of https://github.com/Artemis-RGB/Artemis synced 2025-12-13 05:48:35 +00:00

Core - Added timesToRepeat and seamless arguments to GetColor

Core - Optimized GetColorsArray
This commit is contained in:
Robert 2022-05-12 23:01:45 +02:00
parent 517185f4b1
commit 4ee4857b10

View File

@ -54,9 +54,8 @@ namespace Artemis.Core
}
else
{
List<SKColor> colors = this.Select(c => c.Color).ToList();
for (int i = 0; i <= timesToRepeat; i++)
result.AddRange(colors);
result.AddRange(this.Select(c => c.Color));
}
if (seamless && !IsSeamless())
@ -68,9 +67,7 @@ namespace Artemis.Core
/// <summary>
/// Gets all the positions in the color gradient
/// </summary>
/// <param name="timesToRepeat">
/// The amount of times to repeat the positions
/// </param>
/// <param name="timesToRepeat">The amount of times to repeat the positions</param>
/// <param name="seamless">
/// A boolean indicating whether to make the gradient seamless by adding the first color behind the
/// last color
@ -113,19 +110,30 @@ namespace Artemis.Core
/// Gets a color at any position between 0.0 and 1.0 using interpolation
/// </summary>
/// <param name="position">A position between 0.0 and 1.0</param>
public SKColor GetColor(float position)
/// <param name="timesToRepeat">The amount of times to repeat the positions</param>
/// <param name="seamless">
/// A boolean indicating whether to make the gradient seamless by adding the first color behind the
/// last color
/// </param>
public SKColor GetColor(float position, int timesToRepeat = 0, bool seamless = false)
{
if (!this.Any())
return SKColor.Empty;
return new SKColor(255, 255, 255);
ColorGradientStop[] stops = this.ToArray();
if (position <= 0) return stops[0].Color;
if (position >= 1) return stops[^1].Color;
ColorGradientStop left = stops[0];
ColorGradientStop? right = null;
foreach (ColorGradientStop stop in stops)
SKColor[] colors = GetColorsArray(timesToRepeat, seamless);
float[] stops = GetPositionsArray(timesToRepeat, seamless);
// If at or over the edges, return the corresponding edge
if (position <= 0) return colors[0];
if (position >= 1) return colors[^1];
// Walk through the stops until we find the one at or after the requested position, that becomes the right stop
// The left stop is the previous stop before the right one was found.
float left = stops[0];
float? right = null;
foreach (float stop in stops)
{
if (stop.Position >= position)
if (stop >= position)
{
right = stop;
break;
@ -134,14 +142,22 @@ namespace Artemis.Core
left = stop;
}
if (right == null || left == right)
return left.Color;
// Get the left stop's color
SKColor leftColor = colors[Array.IndexOf(stops, left)];
position = (float) Math.Round((position - left.Position) / (right.Position - left.Position), 2);
byte a = (byte) ((right.Color.Alpha - left.Color.Alpha) * position + left.Color.Alpha);
byte r = (byte) ((right.Color.Red - left.Color.Red) * position + left.Color.Red);
byte g = (byte) ((right.Color.Green - left.Color.Green) * position + left.Color.Green);
byte b = (byte) ((right.Color.Blue - left.Color.Blue) * position + left.Color.Blue);
// If no right stop was found or the left and right stops are on the same spot, return the left stop's color
if (right == null || left == right)
return leftColor;
// Get the right stop's color
SKColor rightColor = colors[Array.IndexOf(stops, right)];
// Interpolate the position between the left and right color
position = MathF.Round((position - left) / (right.Value - left), 2);
byte a = (byte) ((rightColor.Alpha - leftColor.Alpha) * position + leftColor.Alpha);
byte r = (byte) ((rightColor.Red - leftColor.Red) * position + leftColor.Red);
byte g = (byte) ((rightColor.Green - leftColor.Green) * position + leftColor.Green);
byte b = (byte) ((rightColor.Blue - leftColor.Blue) * position + leftColor.Blue);
return new SKColor(r, g, b, a);
}