From 807daf7df615b60ce6fc41355aabe3aa353cebab Mon Sep 17 00:00:00 2001 From: Romain Guy Date: Tue, 18 Jan 2011 11:19:19 -0800 Subject: Add support for skew() Change-Id: Ia3a9a867f74fd78b61f75179e3788fdc2f0cacd0 --- libs/hwui/Matrix.cpp | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'libs/hwui/Matrix.cpp') diff --git a/libs/hwui/Matrix.cpp b/libs/hwui/Matrix.cpp index fe7f8834a8b2..e7c0fe35194a 100644 --- a/libs/hwui/Matrix.cpp +++ b/libs/hwui/Matrix.cpp @@ -178,6 +178,24 @@ void Matrix4::loadScale(float sx, float sy, float sz) { data[kScaleZ] = sz; } +void Matrix4::loadSkew(float sx, float sy) { + loadIdentity(); + + data[kScaleX] = 1.0f; + data[kSkewX] = sx; + data[kTranslateX] = 0.0f; + + data[kSkewY] = sy; + data[kScaleY] = 1.0f; + data[kTranslateY] = 0.0f; + + data[kPerspective0] = 0.0f; + data[kPerspective1] = 0.0f; + data[kPerspective2] = 1.0f; + + mSimpleMatrix = false; +} + void Matrix4::loadRotate(float angle, float x, float y, float z) { data[kPerspective0] = 0.0f; data[kPerspective1] = 0.0f; -- cgit v1.2.3