summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAndroid Code Review <code-review@android.com>2009-11-10 09:59:52 -0800
committerAndroid Code Review <code-review@android.com>2009-11-10 09:59:52 -0800
commit2b63ff51d5202eb2b458e937d4b65b326238733e (patch)
tree83499e343eb11f297fc835b920eb7775ca49a878
parentdf682c84434ae3560a975d50a2d16d814835e052 (diff)
parent83387a484c515e5234bd60f741578a6ac894bff5 (diff)
downloadbase-2b63ff51d5202eb2b458e937d4b65b326238733e.tar.gz
Merge change I83387a48
* changes: Correction of an error in the setRotate method of the ColorMatrix class. The matrix rotation params around the 2nd axis was not set correctly:
-rw-r--r--graphics/java/android/graphics/ColorMatrix.java15
1 files changed, 12 insertions, 3 deletions
diff --git a/graphics/java/android/graphics/ColorMatrix.java b/graphics/java/android/graphics/ColorMatrix.java
index 2478712ebb57..c22cda1cbf51 100644
--- a/graphics/java/android/graphics/ColorMatrix.java
+++ b/graphics/java/android/graphics/ColorMatrix.java
@@ -110,22 +110,31 @@ public class ColorMatrix {
a[18] = aScale;
}
+ /**
+ * Set the rotation on a color axis by the specified values.
+ * axis=0 correspond to a rotation around the RED color
+ * axis=1 correspond to a rotation around the GREEN color
+ * axis=2 correspond to a rotation around the BLUE color
+ */
public void setRotate(int axis, float degrees) {
reset();
float radians = degrees * (float)Math.PI / 180;
float cosine = FloatMath.cos(radians);
float sine = FloatMath.sin(radians);
switch (axis) {
+ // Rotation around the red color
case 0:
mArray[6] = mArray[12] = cosine;
mArray[7] = sine;
mArray[11] = -sine;
break;
+ // Rotation around the green color
case 1:
- mArray[0] = mArray[17] = cosine;
- mArray[2] = sine;
- mArray[15] = -sine;
+ mArray[0] = mArray[12] = cosine;
+ mArray[2] = -sine;
+ mArray[10] = sine;
break;
+ // Rotation around the blue color
case 2:
mArray[0] = mArray[6] = cosine;
mArray[1] = sine;