Fix rounding of extra spacing when it is negative. (1065758a) · Commits · e / os / android_frameworks_base

core/java/android/text/StaticLayout.java

+6 −6

Original line number	Diff line number	Diff line
		@@ -1012,12 +1012,12 @@ extends Layout
		int extra;

		if (needMultiply) {
		// XXX: this looks like it is using the +0.5 and the cast to int
		// to do rounding, but this I expect this isn't doing the intended
		// thing when spacingmult < 1. An intended extra of, say, -1.2
		// will get 'rounded' to -.7 and then truncated to 0.
		extra = (int) ((below - above) * (spacingmult - 1)
		+ spacingadd + 0.5);
		double ex = (below - above) * (spacingmult - 1) + spacingadd;
		if (ex >= 0) {
		extra = (int)(ex + 0.5);
		} else {
		extra = -(int)(-ex + 0.5);
		}
		} else {
		extra = 0;
		}

+2 −2

Original line number	Diff line number	Diff line
		@@ -213,13 +213,13 @@ public class StaticLayoutTest extends TestCase {
		}

		public int scale(float height) {
		int altVal = (int)(height * sMult + sAdd + 0.5); // existing impl
		int altVal = (int)(height * sMult + sAdd + 0.5);
		int rndVal = Math.round(height * sMult + sAdd);
		if (altVal != rndVal) {
		Log.i("Scale", "expected scale: " + rndVal +
		" != returned scale: " + altVal);
		}
		return altVal; // existing implementation
		return rndVal;
		}
		}