AI 143160: am: CL 142856 new-new-new-new rotation animation. it may still change one more time.
Original author: mathias
Merged from: //branches/cupcake/...
Automated import of CL 143160
diff --git a/libs/surfaceflinger/Transform.cpp b/libs/surfaceflinger/Transform.cpp
index bec7a64..e8b0f45 100644
--- a/libs/surfaceflinger/Transform.cpp
+++ b/libs/surfaceflinger/Transform.cpp
@@ -103,6 +103,25 @@
mType |= 0x80000000;
}
+void Transform::set(float radian, float x, float y)
+{
+ float r00 = cosf(radian); float r01 = -sinf(radian);
+ float r10 = sinf(radian); float r11 = cosf(radian);
+ mTransform.set(SkMatrix::kMScaleX, SkFloatToScalar(r00));
+ mTransform.set(SkMatrix::kMSkewX, SkFloatToScalar(r01));
+ mTransform.set(SkMatrix::kMSkewY, SkFloatToScalar(r10));
+ mTransform.set(SkMatrix::kMScaleY, SkFloatToScalar(r11));
+ mTransform.set(SkMatrix::kMTransX, SkIntToScalar(x - r00*x - r01*y));
+ mTransform.set(SkMatrix::kMTransY, SkIntToScalar(y - r10*x - r11*y));
+ mType |= 0x80000000 | SkMatrix::kTranslate_Mask;
+}
+
+void Transform::scale(float s, float x, float y)
+{
+ mTransform.postScale(s, s, x, y);
+ mType |= 0x80000000;
+}
+
void Transform::set(int tx, int ty)
{
if (tx | ty) {