Initial Contribution

1 files changed, 66 insertions, 0 deletions

diff --git a/graphics/java/android/graphics/RadialGradient.java b/graphics/java/android/graphics/RadialGradient.java
new file mode 100644
index 0000000..b4e902d
--- /dev/null
+++ b/graphics/java/android/graphics/RadialGradient.java
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+/*
+ * 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.graphics;
+
+public class RadialGradient extends Shader {
+
+	/**	Create a shader that draws a radial gradient given the center and radius.
+        @param x        The x-coordinate of the center of the radius
+        @param y        The y-coordinate of the center of the radius
+		@param radius   Must be positive. The radius of the circle for this gradient
+        @param colors   The colors to be distributed between the center and edge of the circle
+        @param positions May be NULL. The relative position of
+                        each corresponding color in the colors array. If this is NULL,
+                        the the colors are distributed evenly between the center and edge of the circle.
+        @param  tile    The Shader tiling mode
+	*/
+	public RadialGradient(float x, float y, float radius,
+                          int colors[], float positions[], TileMode tile) {
+        if (radius <= 0) {
+            throw new IllegalArgumentException("radius must be > 0");
+        }
+        if (colors.length < 2) {
+            throw new IllegalArgumentException("needs >= 2 number of colors");
+        }
+        if (positions != null && colors.length != positions.length) {
+            throw new IllegalArgumentException("color and position arrays must be of equal length");
+        }
+        native_instance = nativeCreate1(x, y, radius, colors, positions, tile.nativeInt);
+    }
+
+	/**	Create a shader that draws a radial gradient given the center and radius.
+        @param x        The x-coordinate of the center of the radius
+        @param y        The y-coordinate of the center of the radius
+		@param radius   Must be positive. The radius of the circle for this gradient
+        @param color0   The color at the center of the circle.
+        @param color1   The color at the edge of the circle.
+        @param tile     The Shader tiling mode
+	*/
+	public RadialGradient(float x, float y, float radius,
+                          int color0, int color1, TileMode tile) {
+        if (radius <= 0) {
+            throw new IllegalArgumentException("radius must be > 0");
+        }
+        native_instance = nativeCreate2(x, y, radius, color0, color1, tile.nativeInt);
+    }
+
+	private static native int nativeCreate1(float x, float y, float radius,
+                                            int colors[], float positions[], int tileMode);
+	private static native int nativeCreate2(float x, float y, float radius,
+                                            int color0, int color1, int tileMode);
+}
+