Xavier Ducrohet | 4b52ec4 | 2011-02-07 21:08:10 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.graphics; |
| 18 | |
| 19 | import com.android.layoutlib.bridge.impl.DelegateManager; |
| 20 | import com.android.tools.layoutlib.annotations.LayoutlibDelegate; |
| 21 | |
| 22 | import java.awt.BasicStroke; |
| 23 | import java.awt.Stroke; |
| 24 | |
| 25 | /** |
| 26 | * Delegate implementing the native methods of android.graphics.DashPathEffect |
| 27 | * |
| 28 | * Through the layoutlib_create tool, the original native methods of DashPathEffect have been |
| 29 | * replaced by calls to methods of the same name in this delegate class. |
| 30 | * |
| 31 | * This class behaves like the original native implementation, but in Java, keeping previously |
| 32 | * native data into its own objects and mapping them to int that are sent back and forth between |
| 33 | * it and the original DashPathEffect class. |
| 34 | * |
| 35 | * Because this extends {@link PathEffect_Delegate}, there's no need to use a |
| 36 | * {@link DelegateManager}, as all the PathEffect classes will be added to the manager owned by |
| 37 | * {@link PathEffect_Delegate}. |
| 38 | * |
| 39 | * @see PathEffect_Delegate |
| 40 | * |
| 41 | */ |
| 42 | public final class DashPathEffect_Delegate extends PathEffect_Delegate { |
| 43 | |
| 44 | // ---- delegate data ---- |
| 45 | |
| 46 | private final float[] mIntervals; |
| 47 | private final float mPhase; |
| 48 | |
| 49 | // ---- Public Helper methods ---- |
| 50 | |
| 51 | @Override |
| 52 | public Stroke getStroke(Paint_Delegate paint) { |
| 53 | return new BasicStroke( |
| 54 | paint.getStrokeWidth(), |
| 55 | paint.getJavaCap(), |
| 56 | paint.getJavaJoin(), |
| 57 | paint.getJavaStrokeMiter(), |
| 58 | mIntervals, |
| 59 | mPhase); |
| 60 | } |
| 61 | |
| 62 | @Override |
| 63 | public boolean isSupported() { |
| 64 | return true; |
| 65 | } |
| 66 | |
| 67 | @Override |
| 68 | public String getSupportMessage() { |
| 69 | // no message since isSupported returns true; |
| 70 | return null; |
| 71 | } |
| 72 | |
| 73 | // ---- native methods ---- |
| 74 | |
| 75 | @LayoutlibDelegate |
| 76 | /*package*/ static int nativeCreate(float intervals[], float phase) { |
| 77 | DashPathEffect_Delegate newDelegate = new DashPathEffect_Delegate(intervals, phase); |
| 78 | return sManager.addNewDelegate(newDelegate); |
| 79 | } |
| 80 | |
| 81 | // ---- Private delegate/helper methods ---- |
| 82 | |
| 83 | private DashPathEffect_Delegate(float intervals[], float phase) { |
| 84 | mIntervals = new float[intervals.length]; |
| 85 | System.arraycopy(intervals, 0, mIntervals, 0, intervals.length); |
| 86 | mPhase = phase; |
| 87 | } |
| 88 | } |
| 89 | |