1ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski/* 2ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Copyright (C) 2010 The Android Open Source Project 3ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * 4ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Licensed under the Apache License, Version 2.0 (the "License"); 5ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * you may not use this file except in compliance with the License. 6ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * You may obtain a copy of the License at 7ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * 8ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * http://www.apache.org/licenses/LICENSE-2.0 9ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * 10ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Unless required by applicable law or agreed to in writing, software 11ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * distributed under the License is distributed on an "AS IS" BASIS, 12ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * See the License for the specific language governing permissions and 14ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * limitations under the License. 15ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 16ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 17ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinskipackage android.graphics; 18ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 19ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 20ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinskiimport com.android.ide.common.rendering.api.LayoutLog; 21ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinskiimport com.android.layoutlib.bridge.Bridge; 22ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinskiimport com.android.layoutlib.bridge.impl.DelegateManager; 23ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinskiimport com.android.tools.layoutlib.annotations.LayoutlibDelegate; 24ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 25ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinskiimport android.graphics.Matrix.ScaleToFit; 26ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 27ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinskiimport java.awt.geom.AffineTransform; 28ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinskiimport java.awt.geom.NoninvertibleTransformException; 29ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 307fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillardimport libcore.util.NativeAllocationRegistry_Delegate; 317fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard 32ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski/** 33ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Delegate implementing the native methods of android.graphics.Matrix 34ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * 35ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Through the layoutlib_create tool, the original native methods of Matrix have been replaced 36ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * by calls to methods of the same name in this delegate class. 37ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * 38ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * This class behaves like the original native implementation, but in Java, keeping previously 39ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * native data into its own objects and mapping them to int that are sent back and forth between 40ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * it and the original Matrix class. 41ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * 42ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @see DelegateManager 43ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * 44ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 45ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinskipublic final class Matrix_Delegate { 46ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 47ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int MATRIX_SIZE = 9; 48ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 49ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // ---- delegate manager ---- 50ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private static final DelegateManager<Matrix_Delegate> sManager = 51ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski new DelegateManager<Matrix_Delegate>(Matrix_Delegate.class); 527fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard private static long sFinalizer = -1; 53ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 54ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // ---- delegate data ---- 55ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private float mValues[] = new float[MATRIX_SIZE]; 56ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 57ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // ---- Public Helper methods ---- 58ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 59ec4118922fa844ef31b73d16adc76f4da4c6c8e6Narayan Kamath public static Matrix_Delegate getDelegate(long native_instance) { 60ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return sManager.getDelegate(native_instance); 61ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 62ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 63ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 64ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Returns an {@link AffineTransform} matching the given Matrix. 65ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 66ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski public static AffineTransform getAffineTransform(Matrix m) { 67ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate delegate = sManager.getDelegate(m.native_instance); 68ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (delegate == null) { 69ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return null; 70ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 71ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 72ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return delegate.getAffineTransform(); 73ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 74ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 75ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski public static boolean hasPerspective(Matrix m) { 76ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate delegate = sManager.getDelegate(m.native_instance); 77ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (delegate == null) { 78ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 79ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 80ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 81ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return delegate.hasPerspective(); 82ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 83ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 84ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 85ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Sets the content of the matrix with the content of another matrix. 86ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 87ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski public void set(Matrix_Delegate matrix) { 88ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski System.arraycopy(matrix.mValues, 0, mValues, 0, MATRIX_SIZE); 89ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 90ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 91ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 92ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Sets the content of the matrix with the content of another matrix represented as an array 93ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * of values. 94ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 95ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski public void set(float[] values) { 96ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski System.arraycopy(values, 0, mValues, 0, MATRIX_SIZE); 97ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 98ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 99ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 100ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Resets the matrix to be the identity matrix. 101ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 102ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski public void reset() { 103ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski reset(mValues); 104ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 105ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 106ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 107ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Returns whether or not the matrix is identity. 108ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 109ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski public boolean isIdentity() { 110ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski for (int i = 0, k = 0; i < 3; i++) { 111ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski for (int j = 0; j < 3; j++, k++) { 112ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (mValues[k] != ((i==j) ? 1 : 0)) { 113ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 114ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 115ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 116ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 117ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 118ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return true; 119ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 120ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1219a92f1849a1bcb593965a6ff1270ac8273ff259eDiego Perez private static float[] setValues(AffineTransform matrix, float[] values) { 122ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[0] = (float) matrix.getScaleX(); 123ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[1] = (float) matrix.getShearX(); 124ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[2] = (float) matrix.getTranslateX(); 125ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[3] = (float) matrix.getShearY(); 126ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[4] = (float) matrix.getScaleY(); 127ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[5] = (float) matrix.getTranslateY(); 128ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[6] = 0.f; 129ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[7] = 0.f; 130ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[8] = 1.f; 131ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 132ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return values; 133ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 134ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1359a92f1849a1bcb593965a6ff1270ac8273ff259eDiego Perez public static float[] makeValues(AffineTransform matrix) { 1369a92f1849a1bcb593965a6ff1270ac8273ff259eDiego Perez return setValues(matrix, new float[MATRIX_SIZE]); 1379a92f1849a1bcb593965a6ff1270ac8273ff259eDiego Perez } 1389a92f1849a1bcb593965a6ff1270ac8273ff259eDiego Perez 139ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski public static Matrix_Delegate make(AffineTransform matrix) { 140ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return new Matrix_Delegate(makeValues(matrix)); 141ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 142ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 143ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski public boolean mapRect(RectF dst, RectF src) { 144ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // array with 4 corners 145ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] corners = new float[] { 146ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski src.left, src.top, 147ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski src.right, src.top, 148ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski src.right, src.bottom, 149ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski src.left, src.bottom, 150ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski }; 151ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 152ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // apply the transform to them. 153ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mapPoints(corners); 154ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 155ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // now put the result in the rect. We take the min/max of Xs and min/max of Ys 156ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dst.left = Math.min(Math.min(corners[0], corners[2]), Math.min(corners[4], corners[6])); 157ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dst.right = Math.max(Math.max(corners[0], corners[2]), Math.max(corners[4], corners[6])); 158ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 159ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dst.top = Math.min(Math.min(corners[1], corners[3]), Math.min(corners[5], corners[7])); 160ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dst.bottom = Math.max(Math.max(corners[1], corners[3]), Math.max(corners[5], corners[7])); 161ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 162ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 163ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return (computeTypeMask() & kRectStaysRect_Mask) != 0; 164ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 165ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 166ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 167ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 168ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Returns an {@link AffineTransform} matching the matrix. 169ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 170ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski public AffineTransform getAffineTransform() { 171ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return getAffineTransform(mValues); 172ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 173ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 174ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski public boolean hasPerspective() { 175ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return (mValues[6] != 0 || mValues[7] != 0 || mValues[8] != 1); 176ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 177ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 178ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 179ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 180ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // ---- native methods ---- 181ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 182ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 1837fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static long nCreate(long native_src_or_zero) { 184ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // create the delegate 185ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate newDelegate = new Matrix_Delegate(); 186ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 187ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // copy from values if needed. 188ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (native_src_or_zero > 0) { 189ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate oldDelegate = sManager.getDelegate(native_src_or_zero); 190ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (oldDelegate != null) { 191ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski System.arraycopy( 192ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski oldDelegate.mValues, 0, 193ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski newDelegate.mValues, 0, 194ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski MATRIX_SIZE); 195ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 196ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 197ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 198ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return sManager.addNewDelegate(newDelegate); 199ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 200ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 201ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 2027fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nIsIdentity(long native_object) { 203ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 204ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 205ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 206ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 207ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 208ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return d.isIdentity(); 209ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 210ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 211ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 2127fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nIsAffine(long native_object) { 213017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta Matrix_Delegate d = sManager.getDelegate(native_object); 214017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta if (d == null) { 215017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta return true; 216017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta } 217017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta 218017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta return (d.computeTypeMask() & kPerspective_Mask) == 0; 219017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta } 220017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta 221017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta @LayoutlibDelegate 2227fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nRectStaysRect(long native_object) { 223ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 224ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 225ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return true; 226ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 227ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 228ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return (d.computeTypeMask() & kRectStaysRect_Mask) != 0; 229ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 230ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 231ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 2327fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nReset(long native_object) { 233ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 234ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 235ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 236ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 237ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 238ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski reset(d.mValues); 239ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 240ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 241ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 2427fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSet(long native_object, long other) { 243ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 244ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 245ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 246ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 247ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 248ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate src = sManager.getDelegate(other); 249ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (src == null) { 250ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 251ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 252ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 253ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski System.arraycopy(src.mValues, 0, d.mValues, 0, MATRIX_SIZE); 254ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 255ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 256ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 2577fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetTranslate(long native_object, float dx, float dy) { 258ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 259ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 260ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 261ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 262ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 263ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setTranslate(d.mValues, dx, dy); 264ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 265ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 266ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 2677fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetScale(long native_object, float sx, float sy, 268ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 269ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 270ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 271ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 272ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 273ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 274ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues = getScale(sx, sy, px, py); 275ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 276ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 277ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 2787fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetScale(long native_object, float sx, float sy) { 279ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 280ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 281ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 282ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 283ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 284ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[0] = sx; 285ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[1] = 0; 286ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[2] = 0; 287ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[3] = 0; 288ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[4] = sy; 289ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[5] = 0; 290ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[6] = 0; 291ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[7] = 0; 292ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[8] = 1; 293ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 294ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 295ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 2967fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetRotate(long native_object, float degrees, float px, float py) { 297ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 298ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 299ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 300ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 301ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 302ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues = getRotate(degrees, px, py); 303ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 304ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 305ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 3067fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetRotate(long native_object, float degrees) { 307ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 308ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 309ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 310ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 311ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 312ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setRotate(d.mValues, degrees); 313ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 314ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 315ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 3167fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetSinCos(long native_object, float sinValue, float cosValue, 317ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 318ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 319ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 320ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 321ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 322ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 323ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // TODO: do it in one pass 324ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 325ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate so that the pivot is in 0,0 326ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setTranslate(d.mValues, -px, -py); 327ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 328ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // scale 329ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.postTransform(getRotate(sinValue, cosValue)); 330ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate back the pivot 331ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.postTransform(getTranslate(px, py)); 332ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 333ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 334ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 3357fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetSinCos(long native_object, float sinValue, float cosValue) { 336ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 337ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 338ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 339ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 340ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 341ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setRotate(d.mValues, sinValue, cosValue); 342ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 343ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 344ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 3457fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetSkew(long native_object, float kx, float ky, 346ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 347ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 348ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 349ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 350ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 351ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 352ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues = getSkew(kx, ky, px, py); 353ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 354ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 355ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 3567fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetSkew(long native_object, float kx, float ky) { 357ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 358ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 359ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 360ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 361ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 362ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[0] = 1; 363ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[1] = kx; 364ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[2] = -0; 365ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[3] = ky; 366ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[4] = 1; 367ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[5] = 0; 368ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[6] = 0; 369ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[7] = 0; 370ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[8] = 1; 371ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 372ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 373ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 3747fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetConcat(long native_object, long a, long b) { 375ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (a == native_object) { 3767fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard nPreConcat(native_object, b); 377678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta return; 378ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } else if (b == native_object) { 3797fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard nPostConcat(native_object, a); 380678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta return; 381ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 382ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 383ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 384ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate a_mtx = sManager.getDelegate(a); 385ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate b_mtx = sManager.getDelegate(b); 386678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null && a_mtx != null && b_mtx != null) { 387678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta multiply(d.mValues, a_mtx.mValues, b_mtx.mValues); 388ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 389ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 390ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 391ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 3927fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreTranslate(long native_object, float dx, float dy) { 393ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 394678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 395678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(getTranslate(dx, dy)); 396ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 397ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 398ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 399ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4007fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreScale(long native_object, float sx, float sy, 401ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 402ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 403678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 404678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(getScale(sx, sy, px, py)); 405ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 406ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 407ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 408ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4097fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreScale(long native_object, float sx, float sy) { 410ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 411678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 412678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(getScale(sx, sy)); 413ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 414ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 415ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 416ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4177fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreRotate(long native_object, float degrees, 418ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 419ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 420678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 421678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(getRotate(degrees, px, py)); 422ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 423ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 424ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 425ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4267fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreRotate(long native_object, float degrees) { 427ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 428678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 429ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 430678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta double rad = Math.toRadians(degrees); 431678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta float sin = (float) Math.sin(rad); 432678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta float cos = (float) Math.cos(rad); 433ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 434678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(getRotate(sin, cos)); 435678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta } 436ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 437ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 438ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4397fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreSkew(long native_object, float kx, float ky, 440ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 441ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 442678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 443678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(getSkew(kx, ky, px, py)); 444ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 445ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 446ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 447ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4487fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreSkew(long native_object, float kx, float ky) { 449ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 450678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 451678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(getSkew(kx, ky)); 452ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 453ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 454ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 455ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4567fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreConcat(long native_object, long other_matrix) { 457ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 458ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate other = sManager.getDelegate(other_matrix); 459678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null && other != null) { 460678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(other.mValues); 461ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 462ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 463ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 464ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4657fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostTranslate(long native_object, float dx, float dy) { 466ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 467678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 468678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(getTranslate(dx, dy)); 469ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 470ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 471ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 472ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4737fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostScale(long native_object, float sx, float sy, 474ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 475ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 476678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 477678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(getScale(sx, sy, px, py)); 478ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 479ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 480ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 481ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4827fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostScale(long native_object, float sx, float sy) { 483ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 484678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 485678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(getScale(sx, sy)); 486ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 487ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 488ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 489ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4907fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostRotate(long native_object, float degrees, 491ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 492ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 493678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 494678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(getRotate(degrees, px, py)); 495ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 496ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 497ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 498ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4997fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostRotate(long native_object, float degrees) { 500ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 501678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 502678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(getRotate(degrees)); 503ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 504ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 505ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 506ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 5077fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostSkew(long native_object, float kx, float ky, 508ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 509ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 510678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 511678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(getSkew(kx, ky, px, py)); 512ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 513ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 514ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 515ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 5167fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostSkew(long native_object, float kx, float ky) { 517ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 518678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 519678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(getSkew(kx, ky)); 520ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 521ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 522ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 523ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 5247fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostConcat(long native_object, long other_matrix) { 525ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 526ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate other = sManager.getDelegate(other_matrix); 527678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null && other != null) { 528678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(other.mValues); 529ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 530ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 531ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 532ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 5337fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nSetRectToRect(long native_object, RectF src, 534ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski RectF dst, int stf) { 535ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 536ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 537ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 538ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 539ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 540ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (src.isEmpty()) { 541ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski reset(d.mValues); 542ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 543ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 544ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 545ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (dst.isEmpty()) { 546ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[0] = d.mValues[1] = d.mValues[2] = d.mValues[3] = d.mValues[4] = d.mValues[5] 547ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski = d.mValues[6] = d.mValues[7] = 0; 548ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[8] = 1; 549ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } else { 550ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float tx, sx = dst.width() / src.width(); 551ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float ty, sy = dst.height() / src.height(); 552ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski boolean xLarger = false; 553ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 554ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (stf != ScaleToFit.FILL.nativeInt) { 555ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (sx > sy) { 556ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski xLarger = true; 557ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski sx = sy; 558ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } else { 559ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski sy = sx; 560ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 561ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 562ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 563ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski tx = dst.left - src.left * sx; 564ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski ty = dst.top - src.top * sy; 565ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (stf == ScaleToFit.CENTER.nativeInt || stf == ScaleToFit.END.nativeInt) { 566ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float diff; 567ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 568ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (xLarger) { 569ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski diff = dst.width() - src.width() * sy; 570ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } else { 571ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski diff = dst.height() - src.height() * sy; 572ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 573ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 574ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (stf == ScaleToFit.CENTER.nativeInt) { 575ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski diff = diff / 2; 576ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 577ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 578ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (xLarger) { 579ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski tx += diff; 580ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } else { 581ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski ty += diff; 582ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 583ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 584ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 585ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[0] = sx; 586ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[4] = sy; 587ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[2] = tx; 588ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[5] = ty; 589ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[1] = d.mValues[3] = d.mValues[6] = d.mValues[7] = 0; 590ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 591ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 592ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // shared cleanup 593ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[8] = 1; 594ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return true; 595ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 596ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 597ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 5987fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nSetPolyToPoly(long native_object, float[] src, int srcIndex, 599ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] dst, int dstIndex, int pointCount) { 600ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // FIXME 601ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED, 602ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski "Matrix.setPolyToPoly is not supported.", 603ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski null, null /*data*/); 604ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 605ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 606ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 607ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 6087fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nInvert(long native_object, long inverse) { 609ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 610ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 611ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 612ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 613ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 614ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate inv_mtx = sManager.getDelegate(inverse); 615ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (inv_mtx == null) { 616ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 617ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 618ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 619ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski try { 620ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski AffineTransform affineTransform = d.getAffineTransform(); 621ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski AffineTransform inverseTransform = affineTransform.createInverse(); 6229a92f1849a1bcb593965a6ff1270ac8273ff259eDiego Perez setValues(inverseTransform, inv_mtx.mValues); 623ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 624ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return true; 625ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } catch (NoninvertibleTransformException e) { 626ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 627ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 628ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 629ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 630ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 6317fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nMapPoints(long native_object, float[] dst, int dstIndex, 632ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] src, int srcIndex, int ptCount, boolean isPts) { 633ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 634ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 635ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 636ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 637ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 638ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (isPts) { 639ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mapPoints(dst, dstIndex, src, srcIndex, ptCount); 640ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } else { 641ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mapVectors(dst, dstIndex, src, srcIndex, ptCount); 642ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 643ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 644ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 645ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 6467fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nMapRect(long native_object, RectF dst, RectF src) { 647ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 648ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 649ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 650ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 651ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 652ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return d.mapRect(dst, src); 653ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 654ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 655ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 6567fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static float nMapRadius(long native_object, float radius) { 657ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 658ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 659ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return 0.f; 660ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 661ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 662ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] src = new float[] { radius, 0.f, 0.f, radius }; 663ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mapVectors(src, 0, src, 0, 2); 664ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 6652460c57a7ac1c2a491a62d0321ac24d9f6bd4fdaNeil Fuller float l1 = (float) Math.hypot(src[0], src[1]); 6662460c57a7ac1c2a491a62d0321ac24d9f6bd4fdaNeil Fuller float l2 = (float) Math.hypot(src[2], src[3]); 667ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return (float) Math.sqrt(l1 * l2); 668ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 669ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 670ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 6717fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nGetValues(long native_object, float[] values) { 672ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 673ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 674ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 675ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 676ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 677e5581b5c1972fb7b23fddceb2027084bf06cb2fbDeepanshu Gupta System.arraycopy(d.mValues, 0, values, 0, MATRIX_SIZE); 678ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 679ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 680ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 6817fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetValues(long native_object, float[] values) { 682ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 683ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 684ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 685ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 686ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 687ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski System.arraycopy(values, 0, d.mValues, 0, MATRIX_SIZE); 688ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 689ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 690ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 6917fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nEquals(long native_a, long native_b) { 692ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate a = sManager.getDelegate(native_a); 693ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (a == null) { 694ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 695ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 696ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 697ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate b = sManager.getDelegate(native_b); 698ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (b == null) { 699ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 700ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 701ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 702ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski for (int i = 0 ; i < MATRIX_SIZE ; i++) { 703ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (a.mValues[i] != b.mValues[i]) { 704ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 705ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 706ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 707ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 708ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return true; 709ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 710ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 711ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 7127fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static long nGetNativeFinalizer() { 7137fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard synchronized (Matrix_Delegate.class) { 7147fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard if (sFinalizer == -1) { 7157fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard sFinalizer = NativeAllocationRegistry_Delegate.createFinalizer(sManager::removeJavaReferenceFor); 7167fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard } 7177fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard } 7187fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard return sFinalizer; 719ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 720ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 721ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // ---- Private helper methods ---- 722ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 723ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static AffineTransform getAffineTransform(float[] matrix) { 724ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // the AffineTransform constructor takes the value in a different order 725ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // for a matrix [ 0 1 2 ] 726ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // [ 3 4 5 ] 727ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // the order is 0, 3, 1, 4, 2, 5... 728ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return new AffineTransform( 729ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski matrix[0], matrix[3], matrix[1], 730ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski matrix[4], matrix[2], matrix[5]); 731ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 732ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 733ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 734ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Reset a matrix to the identity 735ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 736ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private static void reset(float[] mtx) { 737ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski for (int i = 0, k = 0; i < 3; i++) { 738ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski for (int j = 0; j < 3; j++, k++) { 739ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mtx[k] = ((i==j) ? 1 : 0); 740ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 741ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 742ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 743ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 744ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @SuppressWarnings("unused") 745ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kIdentity_Mask = 0; 746ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kTranslate_Mask = 0x01; //!< set if the matrix has translation 747ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kScale_Mask = 0x02; //!< set if the matrix has X or Y scale 748ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kAffine_Mask = 0x04; //!< set if the matrix skews or rotates 749ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kPerspective_Mask = 0x08; //!< set if the matrix is in perspective 750ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kRectStaysRect_Mask = 0x10; 751ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @SuppressWarnings("unused") 752ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kUnknown_Mask = 0x80; 753ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 754ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @SuppressWarnings("unused") 755ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kAllMasks = kTranslate_Mask | 756ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski kScale_Mask | 757ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski kAffine_Mask | 758ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski kPerspective_Mask | 759ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski kRectStaysRect_Mask; 760ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 761ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // these guys align with the masks, so we can compute a mask from a variable 0/1 762ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @SuppressWarnings("unused") 763ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kTranslate_Shift = 0; 764ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @SuppressWarnings("unused") 765ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kScale_Shift = 1; 766ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @SuppressWarnings("unused") 767ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kAffine_Shift = 2; 768ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @SuppressWarnings("unused") 769ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kPerspective_Shift = 3; 770ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kRectStaysRect_Shift = 4; 771ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 772ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private int computeTypeMask() { 773ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int mask = 0; 774ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 775ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (mValues[6] != 0. || mValues[7] != 0. || mValues[8] != 1.) { 776ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mask |= kPerspective_Mask; 777ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 778ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 779ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (mValues[2] != 0. || mValues[5] != 0.) { 780ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mask |= kTranslate_Mask; 781ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 782ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 783ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float m00 = mValues[0]; 784ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float m01 = mValues[1]; 785ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float m10 = mValues[3]; 786ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float m11 = mValues[4]; 787ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 788ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (m01 != 0. || m10 != 0.) { 789ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mask |= kAffine_Mask; 790ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 791ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 792ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (m00 != 1. || m11 != 1.) { 793ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mask |= kScale_Mask; 794ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 795ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 796ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if ((mask & kPerspective_Mask) == 0) { 797ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // map non-zero to 1 798ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int im00 = m00 != 0 ? 1 : 0; 799ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int im01 = m01 != 0 ? 1 : 0; 800ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int im10 = m10 != 0 ? 1 : 0; 801ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int im11 = m11 != 0 ? 1 : 0; 802ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 803ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // record if the (p)rimary and (s)econdary diagonals are all 0 or 804ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // all non-zero (answer is 0 or 1) 805ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int dp0 = (im00 | im11) ^ 1; // true if both are 0 806ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int dp1 = im00 & im11; // true if both are 1 807ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int ds0 = (im01 | im10) ^ 1; // true if both are 0 808ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int ds1 = im01 & im10; // true if both are 1 809ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 810ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // return 1 if primary is 1 and secondary is 0 or 811ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // primary is 0 and secondary is 1 812ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mask |= ((dp0 & ds1) | (dp1 & ds0)) << kRectStaysRect_Shift; 813ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 814ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 815ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return mask; 816ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 817ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 818ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private Matrix_Delegate() { 819ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski reset(); 820ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 821ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 822ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private Matrix_Delegate(float[] values) { 823ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski System.arraycopy(values, 0, mValues, 0, MATRIX_SIZE); 824ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 825ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 826ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 827ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Adds the given transformation to the current Matrix 828ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * <p/>This in effect does this = this*matrix 829ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param matrix 830ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 831ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private void postTransform(float[] matrix) { 832ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp = new float[9]; 833ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp, mValues, matrix); 834ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mValues = tmp; 835ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 836ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 837ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 838ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Adds the given transformation to the current Matrix 839ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * <p/>This in effect does this = matrix*this 840ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param matrix 841ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 842ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private void preTransform(float[] matrix) { 843ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp = new float[9]; 844ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp, matrix, mValues); 845ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mValues = tmp; 846ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 847ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 848ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 849ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Apply this matrix to the array of 2D points specified by src, and write 850ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * the transformed points into the array of points specified by dst. The 851ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * two arrays represent their "points" as pairs of floats [x, y]. 852ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * 853ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param dst The array of dst points (x,y pairs) 854ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param dstIndex The index of the first [x,y] pair of dst floats 855ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param src The array of src points (x,y pairs) 856ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param srcIndex The index of the first [x,y] pair of src floats 857ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param pointCount The number of points (x,y pairs) to transform 858ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 859ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 860ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private void mapPoints(float[] dst, int dstIndex, float[] src, int srcIndex, 861ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int pointCount) { 862ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski final int count = pointCount * 2; 863ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 864ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmpDest = dst; 865ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski boolean inPlace = dst == src; 866ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (inPlace) { 867ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski tmpDest = new float[dstIndex + count]; 868ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 869ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 870ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski for (int i = 0 ; i < count ; i += 2) { 871ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // just in case we are doing in place, we better put this in temp vars 872ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float x = mValues[0] * src[i + srcIndex] + 873ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mValues[1] * src[i + srcIndex + 1] + 874ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mValues[2]; 875ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float y = mValues[3] * src[i + srcIndex] + 876ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mValues[4] * src[i + srcIndex + 1] + 877ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mValues[5]; 878ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 879ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski tmpDest[i + dstIndex] = x; 880ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski tmpDest[i + dstIndex + 1] = y; 881ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 882ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 883ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (inPlace) { 884ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski System.arraycopy(tmpDest, dstIndex, dst, dstIndex, count); 885ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 886ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 887ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 888ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 889ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Apply this matrix to the array of 2D points, and write the transformed 890ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * points back into the array 891ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * 892ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param pts The array [x0, y0, x1, y1, ...] of points to transform. 893ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 894ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 895ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private void mapPoints(float[] pts) { 896ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mapPoints(pts, 0, pts, 0, pts.length >> 1); 897ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 898ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 899ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private void mapVectors(float[] dst, int dstIndex, float[] src, int srcIndex, int ptCount) { 900ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (hasPerspective()) { 901ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // transform the (0,0) point 902ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] origin = new float[] { 0.f, 0.f}; 903ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mapPoints(origin); 904ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 905ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate the vector data as points 906ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mapPoints(dst, dstIndex, src, srcIndex, ptCount); 907ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 908ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // then substract the transformed origin. 909ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski final int count = ptCount * 2; 910ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski for (int i = 0 ; i < count ; i += 2) { 911ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dst[dstIndex + i] = dst[dstIndex + i] - origin[0]; 912ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dst[dstIndex + i + 1] = dst[dstIndex + i + 1] - origin[1]; 913ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 914ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } else { 915ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // make a copy of the matrix 916ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate copy = new Matrix_Delegate(mValues); 917ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 918ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // remove the translation 919ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setTranslate(copy.mValues, 0, 0); 920ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 921ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // map the content as points. 922ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski copy.mapPoints(dst, dstIndex, src, srcIndex, ptCount); 923ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 924ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 925ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 926ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 927ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * multiply two matrices and store them in a 3rd. 928ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * <p/>This in effect does dest = a*b 929ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * dest cannot be the same as a or b. 930ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 931ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static void multiply(float dest[], float[] a, float[] b) { 932ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // first row 933ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[0] = b[0] * a[0] + b[1] * a[3] + b[2] * a[6]; 934ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[1] = b[0] * a[1] + b[1] * a[4] + b[2] * a[7]; 935ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[2] = b[0] * a[2] + b[1] * a[5] + b[2] * a[8]; 936ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 937ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // 2nd row 938ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[3] = b[3] * a[0] + b[4] * a[3] + b[5] * a[6]; 939ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[4] = b[3] * a[1] + b[4] * a[4] + b[5] * a[7]; 940ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[5] = b[3] * a[2] + b[4] * a[5] + b[5] * a[8]; 941ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 942ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // 3rd row 943ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[6] = b[6] * a[0] + b[7] * a[3] + b[8] * a[6]; 944ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[7] = b[6] * a[1] + b[7] * a[4] + b[8] * a[7]; 945ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[8] = b[6] * a[2] + b[7] * a[5] + b[8] * a[8]; 946ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 947ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 948ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 949ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Returns a matrix that represents a given translate 950ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param dx 951ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param dy 952ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @return 953ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 954ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getTranslate(float dx, float dy) { 955ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return setTranslate(new float[9], dx, dy); 956ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 957ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 958ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] setTranslate(float[] dest, float dx, float dy) { 959ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[0] = 1; 960ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[1] = 0; 961ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[2] = dx; 962ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[3] = 0; 963ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[4] = 1; 964ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[5] = dy; 965ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[6] = 0; 966ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[7] = 0; 967ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[8] = 1; 968ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return dest; 969ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 970ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 971ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getScale(float sx, float sy) { 972ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return new float[] { sx, 0, 0, 0, sy, 0, 0, 0, 1 }; 973ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 974ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 975ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 976ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Returns a matrix that represents the given scale info. 977ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param sx 978ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param sy 979ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param px 980ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param py 981ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 982ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getScale(float sx, float sy, float px, float py) { 983ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp = new float[9]; 984ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp2 = new float[9]; 985ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 986ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // TODO: do it in one pass 987ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 988ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate tmp so that the pivot is in 0,0 989ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setTranslate(tmp, -px, -py); 990ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 991ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // scale into tmp2 992ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp2, tmp, getScale(sx, sy)); 993ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 994ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate back the pivot back into tmp 995ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp, tmp2, getTranslate(px, py)); 996ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 997ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return tmp; 998ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 999ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1000ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1001ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getRotate(float degrees) { 1002ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski double rad = Math.toRadians(degrees); 1003ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float sin = (float)Math.sin(rad); 1004ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float cos = (float)Math.cos(rad); 1005ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1006ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return getRotate(sin, cos); 1007ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 1008ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1009ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getRotate(float sin, float cos) { 1010ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return setRotate(new float[9], sin, cos); 1011ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 1012ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1013ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] setRotate(float[] dest, float degrees) { 1014ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski double rad = Math.toRadians(degrees); 1015ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float sin = (float)Math.sin(rad); 1016ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float cos = (float)Math.cos(rad); 1017ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1018ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return setRotate(dest, sin, cos); 1019ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 1020ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1021ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] setRotate(float[] dest, float sin, float cos) { 1022ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[0] = cos; 1023ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[1] = -sin; 1024ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[2] = 0; 1025ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[3] = sin; 1026ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[4] = cos; 1027ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[5] = 0; 1028ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[6] = 0; 1029ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[7] = 0; 1030ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[8] = 1; 1031ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return dest; 1032ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 1033ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1034ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getRotate(float degrees, float px, float py) { 1035ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp = new float[9]; 1036ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp2 = new float[9]; 1037ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1038ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // TODO: do it in one pass 1039ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1040ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate so that the pivot is in 0,0 1041ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setTranslate(tmp, -px, -py); 1042ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1043ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // rotate into tmp2 1044ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski double rad = Math.toRadians(degrees); 1045ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float cos = (float)Math.cos(rad); 1046ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float sin = (float)Math.sin(rad); 1047ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp2, tmp, getRotate(sin, cos)); 1048ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1049ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate back the pivot back into tmp 1050ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp, tmp2, getTranslate(px, py)); 1051ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1052ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return tmp; 1053ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 1054ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1055ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getSkew(float kx, float ky) { 1056ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return new float[] { 1, kx, 0, ky, 1, 0, 0, 0, 1 }; 1057ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 1058ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1059ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getSkew(float kx, float ky, float px, float py) { 1060ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp = new float[9]; 1061ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp2 = new float[9]; 1062ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1063ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // TODO: do it in one pass 1064ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1065ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate so that the pivot is in 0,0 1066ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setTranslate(tmp, -px, -py); 1067ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1068ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // skew into tmp2 1069ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp2, tmp, new float[] { 1, kx, 0, ky, 1, 0, 0, 0, 1 }); 1070ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate back the pivot back into tmp 1071ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp, tmp2, getTranslate(px, py)); 1072ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1073ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return tmp; 1074ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 1075ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski} 1076