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 121ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski public static float[] makeValues(AffineTransform matrix) { 122ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] values = new float[MATRIX_SIZE]; 123ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[0] = (float) matrix.getScaleX(); 124ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[1] = (float) matrix.getShearX(); 125ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[2] = (float) matrix.getTranslateX(); 126ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[3] = (float) matrix.getShearY(); 127ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[4] = (float) matrix.getScaleY(); 128ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[5] = (float) matrix.getTranslateY(); 129ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[6] = 0.f; 130ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[7] = 0.f; 131ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski values[8] = 1.f; 132ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 133ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return values; 134ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 135ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 136ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski public static Matrix_Delegate make(AffineTransform matrix) { 137ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return new Matrix_Delegate(makeValues(matrix)); 138ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 139ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 140ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski public boolean mapRect(RectF dst, RectF src) { 141ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // array with 4 corners 142ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] corners = new float[] { 143ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski src.left, src.top, 144ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski src.right, src.top, 145ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski src.right, src.bottom, 146ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski src.left, src.bottom, 147ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski }; 148ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 149ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // apply the transform to them. 150ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mapPoints(corners); 151ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 152ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // now put the result in the rect. We take the min/max of Xs and min/max of Ys 153ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dst.left = Math.min(Math.min(corners[0], corners[2]), Math.min(corners[4], corners[6])); 154ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dst.right = Math.max(Math.max(corners[0], corners[2]), Math.max(corners[4], corners[6])); 155ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 156ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dst.top = Math.min(Math.min(corners[1], corners[3]), Math.min(corners[5], corners[7])); 157ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dst.bottom = Math.max(Math.max(corners[1], corners[3]), Math.max(corners[5], corners[7])); 158ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 159ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 160ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return (computeTypeMask() & kRectStaysRect_Mask) != 0; 161ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 162ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 163ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 164ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 165ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Returns an {@link AffineTransform} matching the matrix. 166ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 167ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski public AffineTransform getAffineTransform() { 168ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return getAffineTransform(mValues); 169ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 170ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 171ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski public boolean hasPerspective() { 172ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return (mValues[6] != 0 || mValues[7] != 0 || mValues[8] != 1); 173ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 174ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 175ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 176ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 177ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // ---- native methods ---- 178ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 179ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 1807fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static long nCreate(long native_src_or_zero) { 181ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // create the delegate 182ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate newDelegate = new Matrix_Delegate(); 183ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 184ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // copy from values if needed. 185ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (native_src_or_zero > 0) { 186ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate oldDelegate = sManager.getDelegate(native_src_or_zero); 187ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (oldDelegate != null) { 188ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski System.arraycopy( 189ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski oldDelegate.mValues, 0, 190ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski newDelegate.mValues, 0, 191ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski MATRIX_SIZE); 192ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 193ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 194ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 195ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return sManager.addNewDelegate(newDelegate); 196ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 197ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 198ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 1997fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nIsIdentity(long native_object) { 200ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 201ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 202ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 203ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 204ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 205ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return d.isIdentity(); 206ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 207ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 208ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 2097fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nIsAffine(long native_object) { 210017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta Matrix_Delegate d = sManager.getDelegate(native_object); 211017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta if (d == null) { 212017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta return true; 213017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta } 214017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta 215017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta return (d.computeTypeMask() & kPerspective_Mask) == 0; 216017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta } 217017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta 218017c06241e22e290406ae53402f96e3e2a9597b8Deepanshu Gupta @LayoutlibDelegate 2197fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nRectStaysRect(long native_object) { 220ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 221ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 222ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return true; 223ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 224ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 225ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return (d.computeTypeMask() & kRectStaysRect_Mask) != 0; 226ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 227ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 228ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 2297fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nReset(long native_object) { 230ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 231ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 232ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 233ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 234ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 235ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski reset(d.mValues); 236ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 237ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 238ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 2397fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSet(long native_object, long other) { 240ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 241ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 242ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 243ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 244ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 245ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate src = sManager.getDelegate(other); 246ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (src == null) { 247ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 248ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 249ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 250ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski System.arraycopy(src.mValues, 0, d.mValues, 0, MATRIX_SIZE); 251ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 252ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 253ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 2547fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetTranslate(long native_object, float dx, float dy) { 255ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 256ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 257ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 258ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 259ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 260ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setTranslate(d.mValues, dx, dy); 261ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 262ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 263ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 2647fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetScale(long native_object, float sx, float sy, 265ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 266ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 267ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 268ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 269ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 270ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 271ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues = getScale(sx, sy, px, py); 272ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 273ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 274ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 2757fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetScale(long native_object, float sx, float sy) { 276ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 277ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 278ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 279ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 280ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 281ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[0] = sx; 282ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[1] = 0; 283ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[2] = 0; 284ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[3] = 0; 285ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[4] = sy; 286ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[5] = 0; 287ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[6] = 0; 288ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[7] = 0; 289ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[8] = 1; 290ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 291ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 292ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 2937fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetRotate(long native_object, float degrees, float px, float py) { 294ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 295ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 296ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 297ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 298ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 299ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues = getRotate(degrees, px, py); 300ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 301ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 302ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 3037fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetRotate(long native_object, float degrees) { 304ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 305ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 306ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 307ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 308ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 309ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setRotate(d.mValues, degrees); 310ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 311ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 312ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 3137fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetSinCos(long native_object, float sinValue, float cosValue, 314ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 315ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 316ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 317ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 318ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 319ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 320ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // TODO: do it in one pass 321ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 322ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate so that the pivot is in 0,0 323ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setTranslate(d.mValues, -px, -py); 324ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 325ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // scale 326ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.postTransform(getRotate(sinValue, cosValue)); 327ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate back the pivot 328ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.postTransform(getTranslate(px, py)); 329ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 330ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 331ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 3327fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetSinCos(long native_object, float sinValue, float cosValue) { 333ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 334ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 335ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 336ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 337ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 338ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setRotate(d.mValues, sinValue, cosValue); 339ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 340ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 341ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 3427fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetSkew(long native_object, float kx, float ky, 343ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 344ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 345ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 346ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 347ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 348ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 349ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues = getSkew(kx, ky, px, py); 350ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 351ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 352ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 3537fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetSkew(long native_object, float kx, float ky) { 354ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 355ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 356ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 357ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 358ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 359ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[0] = 1; 360ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[1] = kx; 361ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[2] = -0; 362ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[3] = ky; 363ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[4] = 1; 364ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[5] = 0; 365ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[6] = 0; 366ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[7] = 0; 367ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[8] = 1; 368ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 369ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 370ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 3717fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetConcat(long native_object, long a, long b) { 372ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (a == native_object) { 3737fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard nPreConcat(native_object, b); 374678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta return; 375ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } else if (b == native_object) { 3767fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard nPostConcat(native_object, a); 377678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta return; 378ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 379ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 380ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 381ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate a_mtx = sManager.getDelegate(a); 382ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate b_mtx = sManager.getDelegate(b); 383678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null && a_mtx != null && b_mtx != null) { 384678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta multiply(d.mValues, a_mtx.mValues, b_mtx.mValues); 385ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 386ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 387ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 388ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 3897fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreTranslate(long native_object, float dx, float dy) { 390ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 391678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 392678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(getTranslate(dx, dy)); 393ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 394ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 395ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 396ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 3977fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreScale(long native_object, float sx, float sy, 398ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 399ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 400678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 401678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(getScale(sx, sy, px, py)); 402ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 403ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 404ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 405ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4067fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreScale(long native_object, float sx, float sy) { 407ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 408678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 409678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(getScale(sx, sy)); 410ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 411ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 412ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 413ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4147fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreRotate(long native_object, float degrees, 415ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 416ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 417678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 418678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(getRotate(degrees, px, py)); 419ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 420ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 421ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 422ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4237fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreRotate(long native_object, float degrees) { 424ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 425678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 426ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 427678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta double rad = Math.toRadians(degrees); 428678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta float sin = (float) Math.sin(rad); 429678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta float cos = (float) Math.cos(rad); 430ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 431678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(getRotate(sin, cos)); 432678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta } 433ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 434ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 435ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4367fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreSkew(long native_object, float kx, float ky, 437ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 438ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 439678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 440678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(getSkew(kx, ky, px, py)); 441ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 442ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 443ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 444ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4457fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreSkew(long native_object, float kx, float ky) { 446ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 447678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 448678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(getSkew(kx, ky)); 449ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 450ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 451ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 452ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4537fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPreConcat(long native_object, long other_matrix) { 454ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 455ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate other = sManager.getDelegate(other_matrix); 456678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null && other != null) { 457678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.preTransform(other.mValues); 458ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 459ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 460ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 461ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4627fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostTranslate(long native_object, float dx, float dy) { 463ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 464678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 465678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(getTranslate(dx, dy)); 466ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 467ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 468ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 469ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4707fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostScale(long native_object, float sx, float sy, 471ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 472ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 473678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 474678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(getScale(sx, sy, px, py)); 475ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 476ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 477ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 478ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4797fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostScale(long native_object, float sx, float sy) { 480ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 481678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 482678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(getScale(sx, sy)); 483ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 484ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 485ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 486ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4877fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostRotate(long native_object, float degrees, 488ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 489ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 490678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 491678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(getRotate(degrees, px, py)); 492ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 493ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 494ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 495ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 4967fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostRotate(long native_object, float degrees) { 497ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 498678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 499678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(getRotate(degrees)); 500ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 501ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 502ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 503ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 5047fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostSkew(long native_object, float kx, float ky, 505ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float px, float py) { 506ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 507678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 508678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(getSkew(kx, ky, px, py)); 509ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 510ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 511ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 512ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 5137fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostSkew(long native_object, float kx, float ky) { 514ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 515678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null) { 516678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(getSkew(kx, ky)); 517ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 518ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 519ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 520ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 5217fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nPostConcat(long native_object, long other_matrix) { 522ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 523ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate other = sManager.getDelegate(other_matrix); 524678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta if (d != null && other != null) { 525678cd7fa884002bc6b746fa543baf41db323a453Deepanshu Gupta d.postTransform(other.mValues); 526ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 527ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 528ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 529ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 5307fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nSetRectToRect(long native_object, RectF src, 531ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski RectF dst, int stf) { 532ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 533ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 534ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 535ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 536ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 537ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (src.isEmpty()) { 538ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski reset(d.mValues); 539ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 540ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 541ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 542ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (dst.isEmpty()) { 543ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[0] = d.mValues[1] = d.mValues[2] = d.mValues[3] = d.mValues[4] = d.mValues[5] 544ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski = d.mValues[6] = d.mValues[7] = 0; 545ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[8] = 1; 546ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } else { 547ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float tx, sx = dst.width() / src.width(); 548ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float ty, sy = dst.height() / src.height(); 549ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski boolean xLarger = false; 550ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 551ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (stf != ScaleToFit.FILL.nativeInt) { 552ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (sx > sy) { 553ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski xLarger = true; 554ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski sx = sy; 555ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } else { 556ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski sy = sx; 557ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 558ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 559ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 560ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski tx = dst.left - src.left * sx; 561ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski ty = dst.top - src.top * sy; 562ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (stf == ScaleToFit.CENTER.nativeInt || stf == ScaleToFit.END.nativeInt) { 563ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float diff; 564ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 565ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (xLarger) { 566ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski diff = dst.width() - src.width() * sy; 567ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } else { 568ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski diff = dst.height() - src.height() * sy; 569ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 570ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 571ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (stf == ScaleToFit.CENTER.nativeInt) { 572ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski diff = diff / 2; 573ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 574ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 575ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (xLarger) { 576ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski tx += diff; 577ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } else { 578ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski ty += diff; 579ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 580ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 581ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 582ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[0] = sx; 583ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[4] = sy; 584ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[2] = tx; 585ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[5] = ty; 586ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[1] = d.mValues[3] = d.mValues[6] = d.mValues[7] = 0; 587ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 588ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 589ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // shared cleanup 590ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mValues[8] = 1; 591ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return true; 592ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 593ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 594ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 5957fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nSetPolyToPoly(long native_object, float[] src, int srcIndex, 596ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] dst, int dstIndex, int pointCount) { 597ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // FIXME 598ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED, 599ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski "Matrix.setPolyToPoly is not supported.", 600ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski null, null /*data*/); 601ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 602ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 603ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 604ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 6057fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nInvert(long native_object, long inverse) { 606ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 607ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 608ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 609ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 610ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 611ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate inv_mtx = sManager.getDelegate(inverse); 612ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (inv_mtx == null) { 613ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 614ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 615ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 616ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski try { 617ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski AffineTransform affineTransform = d.getAffineTransform(); 618ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski AffineTransform inverseTransform = affineTransform.createInverse(); 619ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski inv_mtx.mValues[0] = (float)inverseTransform.getScaleX(); 620ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski inv_mtx.mValues[1] = (float)inverseTransform.getShearX(); 621ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski inv_mtx.mValues[2] = (float)inverseTransform.getTranslateX(); 622ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski inv_mtx.mValues[3] = (float)inverseTransform.getScaleX(); 623ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski inv_mtx.mValues[4] = (float)inverseTransform.getShearY(); 624ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski inv_mtx.mValues[5] = (float)inverseTransform.getTranslateY(); 625ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 626ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return true; 627ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } catch (NoninvertibleTransformException e) { 628ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 629ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 630ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 631ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 632ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 6337fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nMapPoints(long native_object, float[] dst, int dstIndex, 634ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] src, int srcIndex, int ptCount, boolean isPts) { 635ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 636ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 637ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 638ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 639ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 640ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (isPts) { 641ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mapPoints(dst, dstIndex, src, srcIndex, ptCount); 642ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } else { 643ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mapVectors(dst, dstIndex, src, srcIndex, ptCount); 644ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 645ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 646ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 647ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 6487fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nMapRect(long native_object, RectF dst, RectF src) { 649ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 650ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 651ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 652ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 653ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 654ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return d.mapRect(dst, src); 655ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 656ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 657ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 6587fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static float nMapRadius(long native_object, float radius) { 659ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 660ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 661ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return 0.f; 662ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 663ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 664ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] src = new float[] { radius, 0.f, 0.f, radius }; 665ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski d.mapVectors(src, 0, src, 0, 2); 666ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 6672460c57a7ac1c2a491a62d0321ac24d9f6bd4fdaNeil Fuller float l1 = (float) Math.hypot(src[0], src[1]); 6682460c57a7ac1c2a491a62d0321ac24d9f6bd4fdaNeil Fuller float l2 = (float) Math.hypot(src[2], src[3]); 669ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return (float) Math.sqrt(l1 * l2); 670ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 671ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 672ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 6737fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nGetValues(long native_object, float[] values) { 674ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 675ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 676ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 677ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 678ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 679e5581b5c1972fb7b23fddceb2027084bf06cb2fbDeepanshu Gupta System.arraycopy(d.mValues, 0, values, 0, MATRIX_SIZE); 680ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 681ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 682ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 6837fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static void nSetValues(long native_object, float[] values) { 684ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate d = sManager.getDelegate(native_object); 685ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (d == null) { 686ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return; 687ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 688ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 689ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski System.arraycopy(values, 0, d.mValues, 0, MATRIX_SIZE); 690ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 691ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 692ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 6937fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static boolean nEquals(long native_a, long native_b) { 694ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate a = sManager.getDelegate(native_a); 695ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (a == null) { 696ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 697ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 698ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 699ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate b = sManager.getDelegate(native_b); 700ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (b == null) { 701ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 702ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 703ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 704ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski for (int i = 0 ; i < MATRIX_SIZE ; i++) { 705ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (a.mValues[i] != b.mValues[i]) { 706ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return false; 707ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 708ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 709ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 710ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return true; 711ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 712ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 713ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @LayoutlibDelegate 7147fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard /*package*/ static long nGetNativeFinalizer() { 7157fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard synchronized (Matrix_Delegate.class) { 7167fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard if (sFinalizer == -1) { 7177fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard sFinalizer = NativeAllocationRegistry_Delegate.createFinalizer(sManager::removeJavaReferenceFor); 7187fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard } 7197fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard } 7207fa71f524c86d6224fb95b571d3a9e32edb32f22Jerome Gaillard return sFinalizer; 721ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 722ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 723ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // ---- Private helper methods ---- 724ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 725ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static AffineTransform getAffineTransform(float[] matrix) { 726ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // the AffineTransform constructor takes the value in a different order 727ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // for a matrix [ 0 1 2 ] 728ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // [ 3 4 5 ] 729ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // the order is 0, 3, 1, 4, 2, 5... 730ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return new AffineTransform( 731ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski matrix[0], matrix[3], matrix[1], 732ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski matrix[4], matrix[2], matrix[5]); 733ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 734ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 735ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 736ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Reset a matrix to the identity 737ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 738ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private static void reset(float[] mtx) { 739ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski for (int i = 0, k = 0; i < 3; i++) { 740ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski for (int j = 0; j < 3; j++, k++) { 741ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mtx[k] = ((i==j) ? 1 : 0); 742ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 743ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 744ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 745ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 746ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @SuppressWarnings("unused") 747ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kIdentity_Mask = 0; 748ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kTranslate_Mask = 0x01; //!< set if the matrix has translation 749ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kScale_Mask = 0x02; //!< set if the matrix has X or Y scale 750ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kAffine_Mask = 0x04; //!< set if the matrix skews or rotates 751ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kPerspective_Mask = 0x08; //!< set if the matrix is in perspective 752ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kRectStaysRect_Mask = 0x10; 753ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @SuppressWarnings("unused") 754ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kUnknown_Mask = 0x80; 755ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 756ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @SuppressWarnings("unused") 757ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kAllMasks = kTranslate_Mask | 758ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski kScale_Mask | 759ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski kAffine_Mask | 760ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski kPerspective_Mask | 761ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski kRectStaysRect_Mask; 762ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 763ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // these guys align with the masks, so we can compute a mask from a variable 0/1 764ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @SuppressWarnings("unused") 765ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kTranslate_Shift = 0; 766ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @SuppressWarnings("unused") 767ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kScale_Shift = 1; 768ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @SuppressWarnings("unused") 769ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kAffine_Shift = 2; 770ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski @SuppressWarnings("unused") 771ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kPerspective_Shift = 3; 772ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private final static int kRectStaysRect_Shift = 4; 773ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 774ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private int computeTypeMask() { 775ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int mask = 0; 776ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 777ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (mValues[6] != 0. || mValues[7] != 0. || mValues[8] != 1.) { 778ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mask |= kPerspective_Mask; 779ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 780ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 781ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (mValues[2] != 0. || mValues[5] != 0.) { 782ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mask |= kTranslate_Mask; 783ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 784ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 785ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float m00 = mValues[0]; 786ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float m01 = mValues[1]; 787ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float m10 = mValues[3]; 788ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float m11 = mValues[4]; 789ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 790ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (m01 != 0. || m10 != 0.) { 791ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mask |= kAffine_Mask; 792ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 793ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 794ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (m00 != 1. || m11 != 1.) { 795ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mask |= kScale_Mask; 796ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 797ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 798ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if ((mask & kPerspective_Mask) == 0) { 799ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // map non-zero to 1 800ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int im00 = m00 != 0 ? 1 : 0; 801ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int im01 = m01 != 0 ? 1 : 0; 802ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int im10 = m10 != 0 ? 1 : 0; 803ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int im11 = m11 != 0 ? 1 : 0; 804ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 805ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // record if the (p)rimary and (s)econdary diagonals are all 0 or 806ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // all non-zero (answer is 0 or 1) 807ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int dp0 = (im00 | im11) ^ 1; // true if both are 0 808ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int dp1 = im00 & im11; // true if both are 1 809ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int ds0 = (im01 | im10) ^ 1; // true if both are 0 810ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int ds1 = im01 & im10; // true if both are 1 811ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 812ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // return 1 if primary is 1 and secondary is 0 or 813ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // primary is 0 and secondary is 1 814ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mask |= ((dp0 & ds1) | (dp1 & ds0)) << kRectStaysRect_Shift; 815ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 816ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 817ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return mask; 818ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 819ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 820ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private Matrix_Delegate() { 821ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski reset(); 822ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 823ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 824ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private Matrix_Delegate(float[] values) { 825ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski System.arraycopy(values, 0, mValues, 0, MATRIX_SIZE); 826ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 827ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 828ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 829ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Adds the given transformation to the current Matrix 830ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * <p/>This in effect does this = this*matrix 831ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param matrix 832ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 833ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private void postTransform(float[] matrix) { 834ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp = new float[9]; 835ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp, mValues, matrix); 836ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mValues = tmp; 837ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 838ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 839ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 840ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Adds the given transformation to the current Matrix 841ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * <p/>This in effect does this = matrix*this 842ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param matrix 843ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 844ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private void preTransform(float[] matrix) { 845ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp = new float[9]; 846ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp, matrix, mValues); 847ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mValues = tmp; 848ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 849ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 850ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 851ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Apply this matrix to the array of 2D points specified by src, and write 852ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * the transformed points into the array of points specified by dst. The 853ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * two arrays represent their "points" as pairs of floats [x, y]. 854ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * 855ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param dst The array of dst points (x,y pairs) 856ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param dstIndex The index of the first [x,y] pair of dst floats 857ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param src The array of src points (x,y pairs) 858ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param srcIndex The index of the first [x,y] pair of src floats 859ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param pointCount The number of points (x,y pairs) to transform 860ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 861ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 862ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private void mapPoints(float[] dst, int dstIndex, float[] src, int srcIndex, 863ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski int pointCount) { 864ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski final int count = pointCount * 2; 865ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 866ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmpDest = dst; 867ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski boolean inPlace = dst == src; 868ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (inPlace) { 869ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski tmpDest = new float[dstIndex + count]; 870ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 871ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 872ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski for (int i = 0 ; i < count ; i += 2) { 873ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // just in case we are doing in place, we better put this in temp vars 874ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float x = mValues[0] * src[i + srcIndex] + 875ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mValues[1] * src[i + srcIndex + 1] + 876ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mValues[2]; 877ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float y = mValues[3] * src[i + srcIndex] + 878ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mValues[4] * src[i + srcIndex + 1] + 879ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mValues[5]; 880ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 881ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski tmpDest[i + dstIndex] = x; 882ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski tmpDest[i + dstIndex + 1] = y; 883ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 884ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 885ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (inPlace) { 886ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski System.arraycopy(tmpDest, dstIndex, dst, dstIndex, count); 887ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 888ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 889ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 890ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 891ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Apply this matrix to the array of 2D points, and write the transformed 892ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * points back into the array 893ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * 894ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param pts The array [x0, y0, x1, y1, ...] of points to transform. 895ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 896ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 897ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private void mapPoints(float[] pts) { 898ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mapPoints(pts, 0, pts, 0, pts.length >> 1); 899ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 900ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 901ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski private void mapVectors(float[] dst, int dstIndex, float[] src, int srcIndex, int ptCount) { 902ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski if (hasPerspective()) { 903ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // transform the (0,0) point 904ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] origin = new float[] { 0.f, 0.f}; 905ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mapPoints(origin); 906ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 907ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate the vector data as points 908ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski mapPoints(dst, dstIndex, src, srcIndex, ptCount); 909ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 910ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // then substract the transformed origin. 911ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski final int count = ptCount * 2; 912ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski for (int i = 0 ; i < count ; i += 2) { 913ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dst[dstIndex + i] = dst[dstIndex + i] - origin[0]; 914ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dst[dstIndex + i + 1] = dst[dstIndex + i + 1] - origin[1]; 915ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 916ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } else { 917ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // make a copy of the matrix 918ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski Matrix_Delegate copy = new Matrix_Delegate(mValues); 919ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 920ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // remove the translation 921ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setTranslate(copy.mValues, 0, 0); 922ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 923ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // map the content as points. 924ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski copy.mapPoints(dst, dstIndex, src, srcIndex, ptCount); 925ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 926ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 927ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 928ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 929ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * multiply two matrices and store them in a 3rd. 930ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * <p/>This in effect does dest = a*b 931ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * dest cannot be the same as a or b. 932ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 933ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static void multiply(float dest[], float[] a, float[] b) { 934ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // first row 935ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[0] = b[0] * a[0] + b[1] * a[3] + b[2] * a[6]; 936ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[1] = b[0] * a[1] + b[1] * a[4] + b[2] * a[7]; 937ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[2] = b[0] * a[2] + b[1] * a[5] + b[2] * a[8]; 938ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 939ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // 2nd row 940ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[3] = b[3] * a[0] + b[4] * a[3] + b[5] * a[6]; 941ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[4] = b[3] * a[1] + b[4] * a[4] + b[5] * a[7]; 942ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[5] = b[3] * a[2] + b[4] * a[5] + b[5] * a[8]; 943ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 944ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // 3rd row 945ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[6] = b[6] * a[0] + b[7] * a[3] + b[8] * a[6]; 946ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[7] = b[6] * a[1] + b[7] * a[4] + b[8] * a[7]; 947ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[8] = b[6] * a[2] + b[7] * a[5] + b[8] * a[8]; 948ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 949ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 950ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 951ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Returns a matrix that represents a given translate 952ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param dx 953ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param dy 954ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @return 955ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 956ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getTranslate(float dx, float dy) { 957ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return setTranslate(new float[9], dx, dy); 958ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 959ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 960ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] setTranslate(float[] dest, float dx, float dy) { 961ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[0] = 1; 962ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[1] = 0; 963ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[2] = dx; 964ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[3] = 0; 965ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[4] = 1; 966ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[5] = dy; 967ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[6] = 0; 968ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[7] = 0; 969ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[8] = 1; 970ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return dest; 971ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 972ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 973ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getScale(float sx, float sy) { 974ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return new float[] { sx, 0, 0, 0, sy, 0, 0, 0, 1 }; 975ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 976ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 977ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /** 978ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * Returns a matrix that represents the given scale info. 979ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param sx 980ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param sy 981ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param px 982ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski * @param py 983ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski */ 984ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getScale(float sx, float sy, float px, float py) { 985ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp = new float[9]; 986ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp2 = new float[9]; 987ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 988ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // TODO: do it in one pass 989ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 990ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate tmp so that the pivot is in 0,0 991ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setTranslate(tmp, -px, -py); 992ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 993ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // scale into tmp2 994ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp2, tmp, getScale(sx, sy)); 995ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 996ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate back the pivot back into tmp 997ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp, tmp2, getTranslate(px, py)); 998ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 999ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return tmp; 1000ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 1001ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1002ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1003ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getRotate(float degrees) { 1004ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski double rad = Math.toRadians(degrees); 1005ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float sin = (float)Math.sin(rad); 1006ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float cos = (float)Math.cos(rad); 1007ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1008ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return getRotate(sin, cos); 1009ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 1010ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1011ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getRotate(float sin, float cos) { 1012ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return setRotate(new float[9], sin, cos); 1013ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 1014ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1015ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] setRotate(float[] dest, float degrees) { 1016ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski double rad = Math.toRadians(degrees); 1017ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float sin = (float)Math.sin(rad); 1018ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float cos = (float)Math.cos(rad); 1019ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1020ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return setRotate(dest, sin, cos); 1021ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 1022ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1023ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] setRotate(float[] dest, float sin, float cos) { 1024ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[0] = cos; 1025ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[1] = -sin; 1026ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[2] = 0; 1027ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[3] = sin; 1028ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[4] = cos; 1029ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[5] = 0; 1030ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[6] = 0; 1031ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[7] = 0; 1032ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski dest[8] = 1; 1033ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return dest; 1034ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 1035ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1036ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getRotate(float degrees, float px, float py) { 1037ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp = new float[9]; 1038ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp2 = new float[9]; 1039ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1040ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // TODO: do it in one pass 1041ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1042ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate so that the pivot is in 0,0 1043ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setTranslate(tmp, -px, -py); 1044ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1045ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // rotate into tmp2 1046ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski double rad = Math.toRadians(degrees); 1047ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float cos = (float)Math.cos(rad); 1048ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float sin = (float)Math.sin(rad); 1049ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp2, tmp, getRotate(sin, cos)); 1050ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1051ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate back the pivot back into tmp 1052ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp, tmp2, getTranslate(px, py)); 1053ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1054ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return tmp; 1055ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 1056ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1057ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getSkew(float kx, float ky) { 1058ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return new float[] { 1, kx, 0, ky, 1, 0, 0, 0, 1 }; 1059ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 1060ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1061ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski /*package*/ static float[] getSkew(float kx, float ky, float px, float py) { 1062ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp = new float[9]; 1063ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski float[] tmp2 = new float[9]; 1064ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1065ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // TODO: do it in one pass 1066ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1067ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate so that the pivot is in 0,0 1068ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski setTranslate(tmp, -px, -py); 1069ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1070ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // skew into tmp2 1071ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp2, tmp, new float[] { 1, kx, 0, ky, 1, 0, 0, 0, 1 }); 1072ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski // translate back the pivot back into tmp 1073ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski multiply(tmp, tmp2, getTranslate(px, py)); 1074ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski 1075ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski return tmp; 1076ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski } 1077ab775ecdd189b32e35b0d3f4a821502f88b03a4bAdam Lesinski} 1078