summaryrefslogtreecommitdiffstats
path: root/tools/layoutlib/bridge/src/android/util/FloatMath_Delegate.java
diff options
context:
space:
mode:
Diffstat (limited to 'tools/layoutlib/bridge/src/android/util/FloatMath_Delegate.java')
-rw-r--r--tools/layoutlib/bridge/src/android/util/FloatMath_Delegate.java94
1 files changed, 94 insertions, 0 deletions
diff --git a/tools/layoutlib/bridge/src/android/util/FloatMath_Delegate.java b/tools/layoutlib/bridge/src/android/util/FloatMath_Delegate.java
new file mode 100644
index 0000000..1df78c2
--- /dev/null
+++ b/tools/layoutlib/bridge/src/android/util/FloatMath_Delegate.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.util;
+
+import com.android.layoutlib.bridge.impl.DelegateManager;
+import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
+
+/**
+ * Delegate implementing the native methods of android.util.FloatMath
+ *
+ * Through the layoutlib_create tool, the original native methods of FloatMath have been replaced
+ * by calls to methods of the same name in this delegate class.
+ *
+ * Because it's a stateless class to start with, there's no need to keep a {@link DelegateManager}
+ * around to map int to instance of the delegate.
+ *
+ */
+/*package*/ final class FloatMath_Delegate {
+
+ /** Prevents instantiation. */
+ private FloatMath_Delegate() {}
+
+ /**
+ * Returns the float conversion of the most positive (i.e. closest to
+ * positive infinity) integer value which is less than the argument.
+ *
+ * @param value to be converted
+ * @return the floor of value
+ */
+ @LayoutlibDelegate
+ /*package*/ static float floor(float value) {
+ return (float)Math.floor(value);
+ }
+
+ /**
+ * Returns the float conversion of the most negative (i.e. closest to
+ * negative infinity) integer value which is greater than the argument.
+ *
+ * @param value to be converted
+ * @return the ceiling of value
+ */
+ @LayoutlibDelegate
+ /*package*/ static float ceil(float value) {
+ return (float)Math.ceil(value);
+ }
+
+ /**
+ * Returns the closest float approximation of the sine of the argument.
+ *
+ * @param angle to compute the cosine of, in radians
+ * @return the sine of angle
+ */
+ @LayoutlibDelegate
+ /*package*/ static float sin(float angle) {
+ return (float)Math.sin(angle);
+ }
+
+ /**
+ * Returns the closest float approximation of the cosine of the argument.
+ *
+ * @param angle to compute the cosine of, in radians
+ * @return the cosine of angle
+ */
+ @LayoutlibDelegate
+ /*package*/ static float cos(float angle) {
+ return (float)Math.cos(angle);
+ }
+
+ /**
+ * Returns the closest float approximation of the square root of the
+ * argument.
+ *
+ * @param value to compute sqrt of
+ * @return the square root of value
+ */
+ @LayoutlibDelegate
+ /*package*/ static float sqrt(float value) {
+ return (float)Math.sqrt(value);
+ }
+}