19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.graphics.drawable.shapes; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Paint; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Path; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.RectF; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a rounded-corner rectangle. Optionally, an inset (rounded) rectangle 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can be included (to make a sort of "O" shape). 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The rounded rectangle can be drawn to a Canvas with its own draw() method, 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * but more graphical control is available if you instead pass 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the RoundRectShape to a {@link android.graphics.drawable.ShapeDrawable}. 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class RoundRectShape extends RectShape { 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float[] mOuterRadii; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RectF mInset; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float[] mInnerRadii; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RectF mInnerRect; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Path mPath; // this is what we actually draw 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * RoundRectShape constructor. 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies an outer (round)rect and an optional inner (round)rect. 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param outerRadii An array of 8 radius values, for the outer roundrect. 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The first two floats are for the 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * top-left corner (remaining pairs correspond clockwise). 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For no rounded corners on the outer rectangle, 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * pass null. 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param inset A RectF that specifies the distance from the inner 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rect to each side of the outer rect. 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For no inner, pass null. 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param innerRadii An array of 8 radius values, for the inner roundrect. 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The first two floats are for the 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * top-left corner (remaining pairs correspond clockwise). 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For no rounded corners on the inner rectangle, 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * pass null. 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If inset parameter is null, this parameter is ignored. 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public RoundRectShape(float[] outerRadii, RectF inset, 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] innerRadii) { 609e044aed219adf52e27629d36f8ff7d670700a52Romain Guy if (outerRadii != null && outerRadii.length < 8) { 619e044aed219adf52e27629d36f8ff7d670700a52Romain Guy throw new ArrayIndexOutOfBoundsException("outer radii must have >= 8 values"); 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (innerRadii != null && innerRadii.length < 8) { 649e044aed219adf52e27629d36f8ff7d670700a52Romain Guy throw new ArrayIndexOutOfBoundsException("inner radii must have >= 8 values"); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOuterRadii = outerRadii; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInset = inset; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInnerRadii = innerRadii; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (inset != null) { 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInnerRect = new RectF(); 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath = new Path(); 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void draw(Canvas canvas, Paint paint) { 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.drawPath(mPath, paint); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onResize(float w, float h) { 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onResize(w, h); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RectF r = rect(); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath.reset(); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOuterRadii != null) { 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath.addRoundRect(r, mOuterRadii, Path.Direction.CW); 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath.addRect(r, Path.Direction.CW); 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInnerRect != null) { 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInnerRect.set(r.left + mInset.left, r.top + mInset.top, 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project r.right - mInset.right, r.bottom - mInset.bottom); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInnerRect.width() < w && mInnerRect.height() < h) { 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInnerRadii != null) { 989e044aed219adf52e27629d36f8ff7d670700a52Romain Guy mPath.addRoundRect(mInnerRect, mInnerRadii, Path.Direction.CCW); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath.addRect(mInnerRect, Path.Direction.CCW); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public RoundRectShape clone() throws CloneNotSupportedException { 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RoundRectShape shape = (RoundRectShape) super.clone(); 1099e044aed219adf52e27629d36f8ff7d670700a52Romain Guy shape.mOuterRadii = mOuterRadii != null ? mOuterRadii.clone() : null; 1109e044aed219adf52e27629d36f8ff7d670700a52Romain Guy shape.mInnerRadii = mInnerRadii != null ? mInnerRadii.clone() : null; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shape.mInset = new RectF(mInset); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shape.mInnerRect = new RectF(mInnerRect); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shape.mPath = new Path(mPath); 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return shape; 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 117