Path.java revision 9066cfe9886ac131c34d59ed0e2d287b0e3c0087
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 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; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The Path class encapsulates compound (multiple contour) geometric paths 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * consisting of straight line segments, quadratic curves, and cubic curves. 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It can be drawn with canvas.drawPath(path, paint), either filled or stroked 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (based on the paint's Style), or it can be used for clipping or to draw 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * text on a path. 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Path { 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create an empty path 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Path() { 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativePath = init1(); 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a new path, copying the contents from the src path. 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param src The path to copy from when initializing the new path 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Path(Path src) { 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int valNative = 0; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (src != null) { 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project valNative = src.mNativePath; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativePath = init2(valNative); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Clear any lines and curves from the path, making it empty. 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This does NOT change the fill-type setting. 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void reset() { 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_reset(mNativePath); 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Rewinds the path: clears any lines and curves from the path but 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * keeps the internal data structure for faster reuse. 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void rewind() { 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_rewind(mNativePath); 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Replace the contents of this with the contents of src. 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(Path src) { 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (this != src) { 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_set(mNativePath, src.mNativePath); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Enum for the ways a path may be filled 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum FillType { 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // these must match the values in SkPath.h 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project WINDING (0), 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EVEN_ODD (1), 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project INVERSE_WINDING (2), 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project INVERSE_EVEN_ODD(3); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FillType(int ni) { 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeInt = ni; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int nativeInt; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // these must be in the same order as their native values 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final FillType[] sFillTypeArray = { 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FillType.WINDING, 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FillType.EVEN_ODD, 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FillType.INVERSE_WINDING, 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FillType.INVERSE_EVEN_ODD 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the path's fill type. This defines how "inside" is 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * computed. The default value is WINDING. 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the path's fill type 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public FillType getFillType() { 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sFillTypeArray[native_getFillType(mNativePath)]; 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the path's fill type. This defines how "inside" is computed. 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param ft The new fill type for this path 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setFillType(FillType ft) { 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setFillType(mNativePath, ft.nativeInt); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns true if the filltype is one of the INVERSE variants 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the filltype is one of the INVERSE variants 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isInverseFillType() { 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int ft = native_getFillType(mNativePath); 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (ft & 2) != 0; 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Toggles the INVERSE state of the filltype 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void toggleInverseFillType() { 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ft = native_getFillType(mNativePath); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ft ^= 2; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setFillType(mNativePath, ft); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns true if the path is empty (contains no lines or curves) 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the path is empty (contains no lines or curves) 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isEmpty() { 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_isEmpty(mNativePath); 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns true if the path specifies a rectangle. If so, and if rect is 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not null, set rect to the bounds of the path. If the path does not 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specify a rectangle, return false and ignore rect. 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect If not null, returns the bounds of the path if it specifies 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a rectangle 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the path specifies a rectangle 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isRect(RectF rect) { 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_isRect(mNativePath, rect); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compute the bounds of the path, and write the answer into bounds. If the 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * path contains 0 or 1 points, the bounds is set to (0,0,0,0) 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bounds Returns the computed bounds of the path 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param exact If true, return the exact (but slower) bounds, else return 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * just the bounds of all control points 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void computeBounds(RectF bounds, boolean exact) { 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 1-exact, 0-fast correspond to the values in SkPath.h 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_computeBounds(mNativePath, bounds, exact ? 1 : 0); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Hint to the path to prepare for adding more points. This can allow the 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * path to more efficiently allocate its storage. 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param extraPtCount The number of extra points that may be added to this 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * path 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void incReserve(int extraPtCount) { 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_incReserve(mNativePath, extraPtCount); 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the beginning of the next contour to the point (x,y). 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x-coordinate of the start of a new contour 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y-coordinate of the start of a new contour 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void moveTo(float x, float y) { 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_moveTo(mNativePath, x, y); 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the beginning of the next contour relative to the last point on the 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * previous contour. If there is no previous contour, this is treated the 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * same as moveTo(). 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dx The amount to add to the x-coordinate of the end of the 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * previous contour, to specify the start of a new contour 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dy The amount to add to the y-coordinate of the end of the 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * previous contour, to specify the start of a new contour 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void rMoveTo(float dx, float dy) { 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_rMoveTo(mNativePath, dx, dy); 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a line from the last point to the specified point (x,y). 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If no moveTo() call has been made for this contour, the first point is 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * automatically set to (0,0). 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x-coordinate of the end of a line 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y-coordinate of the end of a line 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void lineTo(float x, float y) { 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_lineTo(mNativePath, x, y); 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Same as lineTo, but the coordinates are considered relative to the last 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * point on this contour. If there is no previous point, then a moveTo(0,0) 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is inserted automatically. 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dx The amount to add to the x-coordinate of the previous point on 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this contour, to specify a line 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dy The amount to add to the y-coordinate of the previous point on 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this contour, to specify a line 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void rLineTo(float dx, float dy) { 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_rLineTo(mNativePath, dx, dy); 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a quadratic bezier from the last point, approaching control point 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (x1,y1), and ending at (x2,y2). If no moveTo() call has been made for 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this contour, the first point is automatically set to (0,0). 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x1 The x-coordinate of the control point on a quadratic curve 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y1 The y-coordinate of the control point on a quadratic curve 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x2 The x-coordinate of the end point on a quadratic curve 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y2 The y-coordinate of the end point on a quadratic curve 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void quadTo(float x1, float y1, float x2, float y2) { 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_quadTo(mNativePath, x1, y1, x2, y2); 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Same as quadTo, but the coordinates are considered relative to the last 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * point on this contour. If there is no previous point, then a moveTo(0,0) 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is inserted automatically. 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dx1 The amount to add to the x-coordinate of the last point on 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this contour, for the control point of a quadratic curve 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dy1 The amount to add to the y-coordinate of the last point on 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this contour, for the control point of a quadratic curve 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dx2 The amount to add to the x-coordinate of the last point on 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this contour, for the end point of a quadratic curve 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dy2 The amount to add to the y-coordinate of the last point on 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this contour, for the end point of a quadratic curve 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void rQuadTo(float dx1, float dy1, float dx2, float dy2) { 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_rQuadTo(mNativePath, dx1, dy1, dx2, dy2); 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a cubic bezier from the last point, approaching control points 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (x1,y1) and (x2,y2), and ending at (x3,y3). If no moveTo() call has been 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * made for this contour, the first point is automatically set to (0,0). 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x1 The x-coordinate of the 1st control point on a cubic curve 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y1 The y-coordinate of the 1st control point on a cubic curve 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x2 The x-coordinate of the 2nd control point on a cubic curve 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y2 The y-coordinate of the 2nd control point on a cubic curve 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x3 The x-coordinate of the end point on a cubic curve 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y3 The y-coordinate of the end point on a cubic curve 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void cubicTo(float x1, float y1, float x2, float y2, 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float x3, float y3) { 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_cubicTo(mNativePath, x1, y1, x2, y2, x3, y3); 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Same as cubicTo, but the coordinates are considered relative to the 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current point on this contour. If there is no previous point, then a 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * moveTo(0,0) is inserted automatically. 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void rCubicTo(float x1, float y1, float x2, float y2, 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float x3, float y3) { 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_rCubicTo(mNativePath, x1, y1, x2, y2, x3, y3); 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Append the specified arc to the path as a new contour. If the start of 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the path is different from the path's current last point, then an 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * automatic lineTo() is added to connect the current contour to the 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * start of the arc. However, if the path is empty, then we call moveTo() 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * with the first point of the arc. The sweep angle is tread mod 360. 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param oval The bounds of oval defining shape and size of the arc 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param startAngle Starting angle (in degrees) where the arc begins 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sweepAngle Sweep angle (in degrees) measured clockwise, treated 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * mod 360. 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param forceMoveTo If true, always begin a new contour with the arc 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void arcTo(RectF oval, float startAngle, float sweepAngle, 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean forceMoveTo) { 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_arcTo(mNativePath, oval, startAngle, sweepAngle, forceMoveTo); 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Append the specified arc to the path as a new contour. If the start of 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the path is different from the path's current last point, then an 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * automatic lineTo() is added to connect the current contour to the 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * start of the arc. However, if the path is empty, then we call moveTo() 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * with the first point of the arc. 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param oval The bounds of oval defining shape and size of the arc 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param startAngle Starting angle (in degrees) where the arc begins 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sweepAngle Sweep angle (in degrees) measured clockwise 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void arcTo(RectF oval, float startAngle, float sweepAngle) { 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_arcTo(mNativePath, oval, startAngle, sweepAngle, false); 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Close the current contour. If the current point is not equal to the 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * first point of the contour, a line segment is automatically added. 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void close() { 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_close(mNativePath); 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies how closed shapes (e.g. rects, ovals) are oriented when they 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are added to a path. 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum Direction { 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** clockwise */ 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CW (0), // must match enum in SkPath.h 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** counter-clockwise */ 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CCW (1); // must match enum in SkPath.h 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Direction(int ni) { 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeInt = ni; 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int nativeInt; 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a closed rectangle contour to the path 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rectangle to add as a closed contour to the path 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dir The direction to wind the rectangle's contour 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addRect(RectF rect, Direction dir) { 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rect == null) { 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException("need rect parameter"); 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_addRect(mNativePath, rect, dir.nativeInt); 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a closed rectangle contour to the path 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of a rectangle to add to the path 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top of a rectangle to add to the path 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of a rectangle to add to the path 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom of a rectangle to add to the path 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dir The direction to wind the rectangle's contour 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addRect(float left, float top, float right, float bottom, 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Direction dir) { 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_addRect(mNativePath, left, top, right, bottom, dir.nativeInt); 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a closed oval contour to the path 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param oval The bounds of the oval to add as a closed contour to the path 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dir The direction to wind the oval's contour 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addOval(RectF oval, Direction dir) { 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oval == null) { 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException("need oval parameter"); 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_addOval(mNativePath, oval, dir.nativeInt); 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a closed circle contour to the path 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x-coordinate of the center of a circle to add to the path 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y-coordinate of the center of a circle to add to the path 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param radius The radius of a circle to add to the path 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dir The direction to wind the circle's contour 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addCircle(float x, float y, float radius, Direction dir) { 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_addCircle(mNativePath, x, y, radius, dir.nativeInt); 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add the specified arc to the path as a new contour. 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param oval The bounds of oval defining the shape and size of the arc 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param startAngle Starting angle (in degrees) where the arc begins 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sweepAngle Sweep angle (in degrees) measured clockwise 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addArc(RectF oval, float startAngle, float sweepAngle) { 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oval == null) { 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException("need oval parameter"); 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_addArc(mNativePath, oval, startAngle, sweepAngle); 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a closed round-rectangle contour to the path 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The bounds of a round-rectangle to add to the path 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rx The x-radius of the rounded corners on the round-rectangle 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param ry The y-radius of the rounded corners on the round-rectangle 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dir The direction to wind the round-rectangle's contour 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addRoundRect(RectF rect, float rx, float ry, Direction dir) { 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rect == null) { 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException("need rect parameter"); 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_addRoundRect(mNativePath, rect, rx, ry, dir.nativeInt); 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a closed round-rectangle contour to the path. Each corner receives 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * two radius values [X, Y]. The corners are ordered top-left, top-right, 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bottom-right, bottom-left 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The bounds of a round-rectangle to add to the path 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param radii Array of 8 values, 4 pairs of [X,Y] radii 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dir The direction to wind the round-rectangle's contour 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addRoundRect(RectF rect, float[] radii, Direction dir) { 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rect == null) { 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException("need rect parameter"); 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (radii.length < 8) { 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException("radii[] needs 8 values"); 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_addRoundRect(mNativePath, rect, radii, dir.nativeInt); 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a copy of src to the path, offset by (dx,dy) 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param src The path to add as a new contour 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dx The amount to translate the path in X as it is added 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addPath(Path src, float dx, float dy) { 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_addPath(mNativePath, src.mNativePath, dx, dy); 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a copy of src to the path 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param src The path that is appended to the current path 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addPath(Path src) { 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_addPath(mNativePath, src.mNativePath); 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a copy of src to the path, transformed by matrix 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param src The path to add as a new contour 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addPath(Path src, Matrix matrix) { 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_addPath(mNativePath, src.mNativePath, matrix.native_instance); 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Offset the path by (dx,dy), returning true on success 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dx The amount in the X direction to offset the entire path 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dy The amount in the Y direction to offset the entire path 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dst The translated path is written here. If this is null, then 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the original path is modified. 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void offset(float dx, float dy, Path dst) { 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dstNative = 0; 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dst != null) { 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dstNative = dst.mNativePath; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_offset(mNativePath, dx, dy, dstNative); 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Offset the path by (dx,dy), returning true on success 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dx The amount in the X direction to offset the entire path 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dy The amount in the Y direction to offset the entire path 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void offset(float dx, float dy) { 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_offset(mNativePath, dx, dy); 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the last point of the path. 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dx The new X coordinate for the last point 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dy The new Y coordinate for the last point 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setLastPoint(float dx, float dy) { 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setLastPoint(mNativePath, dx, dy); 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Transform the points in this path by matrix, and write the answer 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * into dst. If dst is null, then the the original path is modified. 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param matrix The matrix to apply to the path 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dst The transformed path is written here. If dst is null, 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * then the the original path is modified 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void transform(Matrix matrix, Path dst) { 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dstNative = 0; 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dst != null) { 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dstNative = dst.mNativePath; 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_transform(mNativePath, matrix.native_instance, dstNative); 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Transform the points in this path by matrix. 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param matrix The matrix to apply to the path 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void transform(Matrix matrix) { 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_transform(mNativePath, matrix.native_instance); 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() throws Throwable { 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project finalizer(mNativePath); 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.finalize(); 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /*package*/ final int ni() { 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mNativePath; 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native int init1(); 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native int init2(int nPath); 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_reset(int nPath); 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_rewind(int nPath); 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_set(int native_dst, int native_src); 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native int native_getFillType(int nPath); 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_setFillType(int nPath, int ft); 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_isEmpty(int nPath); 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_isRect(int nPath, RectF rect); 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_computeBounds(int nPath, RectF bounds, 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int btype); 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_incReserve(int nPath, int extraPtCount); 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_moveTo(int nPath, float x, float y); 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_rMoveTo(int nPath, float dx, float dy); 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_lineTo(int nPath, float x, float y); 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_rLineTo(int nPath, float dx, float dy); 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_quadTo(int nPath, float x1, float y1, 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float x2, float y2); 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_rQuadTo(int nPath, float dx1, float dy1, 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dx2, float dy2); 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_cubicTo(int nPath, float x1, float y1, 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float x2, float y2, float x3, float y3); 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_rCubicTo(int nPath, float x1, float y1, 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float x2, float y2, float x3, float y3); 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_arcTo(int nPath, RectF oval, 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float startAngle, float sweepAngle, boolean forceMoveTo); 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_close(int nPath); 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_addRect(int nPath, RectF rect, int dir); 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_addRect(int nPath, float left, float top, 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float right, float bottom, int dir); 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_addOval(int nPath, RectF oval, int dir); 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_addCircle(int nPath, float x, float y, 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float radius, int dir); 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_addArc(int nPath, RectF oval, 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float startAngle, float sweepAngle); 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_addRoundRect(int nPath, RectF rect, 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float rx, float ry, int dir); 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_addRoundRect(int nPath, RectF r, 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] radii, int dir); 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_addPath(int nPath, int src, float dx, 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dy); 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_addPath(int nPath, int src); 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_addPath(int nPath, int src, int matrix); 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_offset(int nPath, float dx, float dy, 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dst_path); 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_offset(int nPath, float dx, float dy); 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_setLastPoint(int nPath, float dx, float dy); 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_transform(int nPath, int matrix, 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dst_path); 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_transform(int nPath, int matrix); 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void finalizer(int nPath); 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final int mNativePath; 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 600