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Merge "Fix crash when number of pixels < max colors" into sc-dev

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James O'Leary
2021-03-05 16:25:06 +00:00
committed by Android (Google) Code Review
parent af1e8b4ea9 bbfe962fff
commit c4748fdab2
1 changed files with 5 additions and 2 deletions
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7
core/java/com/android/internal/graphics/palette/WuQuantizer.java
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@@ -16,7 +16,6 @@
package com.android.internal.graphics.palette; package com.android.internal.graphics.palette;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.List; import java.util.List;
@@ -120,7 +119,11 @@ public class WuQuantizer implements Quantizer {
} }
} }
for (k = 0; k < mMaxColors; ++k) { // If extraction is run on a set of pixels whose count is less than the
// number of max colors, then colors.length < max colors, and accesses
// to colors[index] inside the for loop throw an ArrayOutOfBoundsException.
int numColorsToCreate = (int) Math.min(mMaxColors, colors.length);
for (k = 0; k < numColorsToCreate; ++k) {
weight = getVolume(cube[k], mWt); weight = getVolume(cube[k], mWt);
if (weight > 0) { if (weight > 0) {
red = (int) (getVolume(cube[k], mMr) / weight); red = (int) (getVolume(cube[k], mMr) / weight);