public int GetGradientBetweenColors(
int minIndex,
int maxIndex,
double pixelPos,
double focusPos,
bool wrap
)
{
// Return a color evenly scaled between min index and max index, based on the pixel position.
if (pixelPos < 0 || pixelPos > 1)
{
throw new ArgumentException("Pixel Position out of range: " + pixelPos.ToString());
}
if (this.config.beatBroadcaster.CurrentlyFlashedOff)
{
return(0x000000);
}
var num_colors = maxIndex - minIndex;
int minColorIdx = (int)(pixelPos * num_colors);
int maxColorIdx = (int)(pixelPos * num_colors + 1);
// Rescale the position, so it's between the colors
// (pixelPos - min_color_idx/num_colors)*num_colors
double scaledPixelPos = (pixelPos - 1.0 * minColorIdx / num_colors) * num_colors;
if (scaledPixelPos < 0 || scaledPixelPos > 1)
{
throw new ArgumentException("Pixel Position out of range: " + pixelPos.ToString());
}
int absoluteIndexMin = LEDColor.GetAbsoluteColorIndex(
minColorIdx, this.config.colorPaletteIndex
);
int absoluteIndexMax = LEDColor.GetAbsoluteColorIndex(
maxColorIdx, this.config.colorPaletteIndex
);
if (
this.config.colorPalette.colors == null ||
this.config.colorPalette.colors.Length <= absoluteIndexMin ||
this.config.colorPalette.colors[absoluteIndexMin] == null
)
{
return(0x000000);
}
if (
this.config.colorPalette.colors == null ||
this.config.colorPalette.colors.Length <= absoluteIndexMax ||
this.config.colorPalette.colors[absoluteIndexMax] == null
)
{
return(0x000000);
}
if (!this.config.colorPalette.colors[absoluteIndexMin].IsGradient)
{
return(this.GetSingleColor(absoluteIndexMin));
}
LEDColor color = new LEDColor(
this.GetSingleColor(minColorIdx),
this.GetSingleColor(maxColorIdx));
return(LEDColor.ScaleColor(
color.GradientColor(scaledPixelPos, focusPos, wrap),
this.config.domeMaxBrightness * this.config.domeBrightness
));
}
