New palette picking algorithm (ccec5b6c) · Commits · e / os / android_frameworks_base

packages/SystemUI/colorextraction/src/com/google/android/colorextraction/ColorExtractor.java

+14 −1

Original line number	Original line	Diff line number	Diff line
	@@ -95,12 +95,25 @@ public class ColorExtractor implements WallpaperManager.OnColorsChangedListener
	if (inWallpaperColors == null) {		if (inWallpaperColors == null) {
	return;		return;
	}		}
	mExtractionType.extractInto(inWallpaperColors, outGradientColors);		boolean success = mExtractionType.extractInto(inWallpaperColors, outGradientColors);
			if (success) {
			// Updating dark text support. We're going to verify if the mean luminosity
			// is greater then a threshold.
			float hsl[] = new float[3];
			float meanLuminosity = 0;
			ColorUtils.colorToHSL(outGradientColors.getMainColor(), hsl);
			meanLuminosity += hsl[2];
			ColorUtils.colorToHSL(outGradientColors.getSecondaryColor(), hsl);
			meanLuminosity += hsl[2];
			meanLuminosity /= 2;
			outGradientColors.setSupportsDarkText(meanLuminosity >= DARK_TEXT_LUMINOSITY);
			}
	}		}

	private void applyFallback(GradientColors outGradientColors) {		private void applyFallback(GradientColors outGradientColors) {
	outGradientColors.setMainColor(mMainFallbackColor);		outGradientColors.setMainColor(mMainFallbackColor);
	outGradientColors.setSecondaryColor(mSecondaryFallbackColor);		outGradientColors.setSecondaryColor(mSecondaryFallbackColor);
			outGradientColors.setSupportsDarkText(false);
	}		}

	public void destroy() {		public void destroy() {

+2 −1

Original line number	Original line	Diff line number	Diff line
	@@ -31,7 +31,8 @@ public interface ExtractionType {
	*		*
	* @param inWallpaperColors where to read from		* @param inWallpaperColors where to read from
	* @param outGradientColors object that should receive the colors		* @param outGradientColors object that should receive the colors
			* @return true if successful
	*/		*/
	void extractInto(WallpaperColors inWallpaperColors,		boolean extractInto(WallpaperColors inWallpaperColors,
	ColorExtractor.GradientColors outGradientColors);		ColorExtractor.GradientColors outGradientColors);
	}		}

+266 −255

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