| /* |
| * Copyright (C) 2018 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; |
| |
| import com.android.tools.layoutlib.annotations.LayoutlibDelegate; |
| |
| /** |
| * Delegate implementing the native methods of android.graphics.Color |
| * |
| * Through the layoutlib_create tool, the original native methods of Color have been replaced |
| * by calls to methods of the same name in this delegate class. |
| */ |
| public class Color_Delegate { |
| |
| @LayoutlibDelegate |
| /*package*/ static void nativeRGBToHSV(int red, int greed, int blue, float hsv[]) { |
| java.awt.Color.RGBtoHSB(red, greed, blue, hsv); |
| hsv[0] = hsv[0] * 360; |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static int nativeHSVToColor(int alpha, float hsv[]) { |
| java.awt.Color rgb = new java.awt.Color(java.awt.Color.HSBtoRGB(hsv[0] / 360, pin(hsv[1]), pin(hsv[2]))); |
| return Color.argb(alpha, rgb.getRed(), rgb.getGreen(), rgb.getBlue()); |
| } |
| |
| private static float pin(float value) { |
| return Math.max(0, Math.min(1, value)); |
| } |
| } |