1 /* 2 * Copyright (C) 2006 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.drawable; 18 19 import android.graphics.drawable.shapes.RoundRectShape; 20 import android.content.res.Resources; 21 import android.content.res.TypedArray; 22 import android.util.AttributeSet; 23 24 import org.xmlpull.v1.XmlPullParser; 25 26 /** 27 * Drawable that draws its bounds in the given paint, with optional 28 * rounded corners. 29 */ 30 public class PaintDrawable extends ShapeDrawable { 31 PaintDrawable()32 public PaintDrawable() { 33 } 34 PaintDrawable(int color)35 public PaintDrawable(int color) { 36 getPaint().setColor(color); 37 } 38 39 /** 40 * Specify radius for the corners of the rectangle. If this is > 0, then the 41 * drawable is drawn in a round-rectangle, rather than a rectangle. 42 * @param radius the radius for the corners of the rectangle 43 */ setCornerRadius(float radius)44 public void setCornerRadius(float radius) { 45 float[] radii = null; 46 if (radius > 0) { 47 radii = new float[8]; 48 for (int i = 0; i < 8; i++) { 49 radii[i] = radius; 50 } 51 } 52 setCornerRadii(radii); 53 } 54 55 /** 56 * Specify radii for each of the 4 corners. For each corner, the array 57 * contains 2 values, [X_radius, Y_radius]. The corners are ordered 58 * top-left, top-right, bottom-right, bottom-left 59 * @param radii the x and y radii of the corners 60 */ setCornerRadii(float[] radii)61 public void setCornerRadii(float[] radii) { 62 if (radii == null) { 63 if (getShape() != null) { 64 setShape(null); 65 } 66 } else { 67 setShape(new RoundRectShape(radii, null, null)); 68 } 69 invalidateSelf(); 70 } 71 72 @Override inflateTag(String name, Resources r, XmlPullParser parser, AttributeSet attrs)73 protected boolean inflateTag(String name, Resources r, XmlPullParser parser, 74 AttributeSet attrs) { 75 if (name.equals("corners")) { 76 TypedArray a = r.obtainAttributes(attrs, 77 com.android.internal.R.styleable.DrawableCorners); 78 int radius = a.getDimensionPixelSize( 79 com.android.internal.R.styleable.DrawableCorners_radius, 0); 80 setCornerRadius(radius); 81 82 // now check of they have any per-corner radii 83 84 int topLeftRadius = a.getDimensionPixelSize( 85 com.android.internal.R.styleable.DrawableCorners_topLeftRadius, radius); 86 int topRightRadius = a.getDimensionPixelSize( 87 com.android.internal.R.styleable.DrawableCorners_topRightRadius, radius); 88 int bottomLeftRadius = a.getDimensionPixelSize( 89 com.android.internal.R.styleable.DrawableCorners_bottomLeftRadius, radius); 90 int bottomRightRadius = a.getDimensionPixelSize( 91 com.android.internal.R.styleable.DrawableCorners_bottomRightRadius, radius); 92 93 if (topLeftRadius != radius || topRightRadius != radius || 94 bottomLeftRadius != radius || bottomRightRadius != radius) { 95 setCornerRadii(new float[] { 96 topLeftRadius, topLeftRadius, 97 topRightRadius, topRightRadius, 98 bottomLeftRadius, bottomLeftRadius, 99 bottomRightRadius, bottomRightRadius 100 }); 101 } 102 a.recycle(); 103 return true; 104 } 105 return super.inflateTag(name, r, parser, attrs); 106 } 107 } 108 109