Matrix.h revision a3dc55f83ab583e0a66b893c71b849afa046770a
108ae317c21ec3086b5017672bba87420cc38a407Romain Guy/* 208ae317c21ec3086b5017672bba87420cc38a407Romain Guy * Copyright (C) 2010 The Android Open Source Project 308ae317c21ec3086b5017672bba87420cc38a407Romain Guy * 408ae317c21ec3086b5017672bba87420cc38a407Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 508ae317c21ec3086b5017672bba87420cc38a407Romain Guy * you may not use this file except in compliance with the License. 608ae317c21ec3086b5017672bba87420cc38a407Romain Guy * You may obtain a copy of the License at 708ae317c21ec3086b5017672bba87420cc38a407Romain Guy * 808ae317c21ec3086b5017672bba87420cc38a407Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 908ae317c21ec3086b5017672bba87420cc38a407Romain Guy * 1008ae317c21ec3086b5017672bba87420cc38a407Romain Guy * Unless required by applicable law or agreed to in writing, software 1108ae317c21ec3086b5017672bba87420cc38a407Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 1208ae317c21ec3086b5017672bba87420cc38a407Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1308ae317c21ec3086b5017672bba87420cc38a407Romain Guy * See the License for the specific language governing permissions and 1408ae317c21ec3086b5017672bba87420cc38a407Romain Guy * limitations under the License. 1508ae317c21ec3086b5017672bba87420cc38a407Romain Guy */ 1608ae317c21ec3086b5017672bba87420cc38a407Romain Guy 175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#ifndef ANDROID_HWUI_MATRIX_H 185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#define ANDROID_HWUI_MATRIX_H 1908ae317c21ec3086b5017672bba87420cc38a407Romain Guy 20f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include <SkMatrix.h> 21f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 2271e36aa7db69449e210d0791284cb810a7471c07Romain Guy#include <cutils/compiler.h> 2371e36aa7db69449e210d0791284cb810a7471c07Romain Guy 249d5316e3f56d138504565ff311145ac01621dff4Romain Guy#include "Rect.h" 259d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2608ae317c21ec3086b5017672bba87420cc38a407Romain Guynamespace android { 279d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 2808ae317c21ec3086b5017672bba87420cc38a407Romain Guy 2908ae317c21ec3086b5017672bba87420cc38a407Romain Guy/////////////////////////////////////////////////////////////////////////////// 3008ae317c21ec3086b5017672bba87420cc38a407Romain Guy// Classes 3108ae317c21ec3086b5017672bba87420cc38a407Romain Guy/////////////////////////////////////////////////////////////////////////////// 3208ae317c21ec3086b5017672bba87420cc38a407Romain Guy 3371e36aa7db69449e210d0791284cb810a7471c07Romain Guyclass ANDROID_API Matrix4 { 3408ae317c21ec3086b5017672bba87420cc38a407Romain Guypublic: 357ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy float data[16]; 36c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 37af28b514964861d81b48902f942f706050936d38Romain Guy enum Entry { 38af28b514964861d81b48902f942f706050936d38Romain Guy kScaleX = 0, 39af28b514964861d81b48902f942f706050936d38Romain Guy kSkewY = 1, 40af28b514964861d81b48902f942f706050936d38Romain Guy kPerspective0 = 3, 41af28b514964861d81b48902f942f706050936d38Romain Guy kSkewX = 4, 42af28b514964861d81b48902f942f706050936d38Romain Guy kScaleY = 5, 43af28b514964861d81b48902f942f706050936d38Romain Guy kPerspective1 = 7, 44af28b514964861d81b48902f942f706050936d38Romain Guy kScaleZ = 10, 45af28b514964861d81b48902f942f706050936d38Romain Guy kTranslateX = 12, 46af28b514964861d81b48902f942f706050936d38Romain Guy kTranslateY = 13, 47af28b514964861d81b48902f942f706050936d38Romain Guy kTranslateZ = 14, 48af28b514964861d81b48902f942f706050936d38Romain Guy kPerspective2 = 15 49af28b514964861d81b48902f942f706050936d38Romain Guy }; 50af28b514964861d81b48902f942f706050936d38Romain Guy 517ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy Matrix4() { 527ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy loadIdentity(); 537ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 5408ae317c21ec3086b5017672bba87420cc38a407Romain Guy 557ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy Matrix4(const float* v) { 567ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy load(v); 577ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 5808ae317c21ec3086b5017672bba87420cc38a407Romain Guy 597ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy Matrix4(const Matrix4& v) { 607ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy load(v); 617ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 6208ae317c21ec3086b5017672bba87420cc38a407Romain Guy 637ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy Matrix4(const SkMatrix& v) { 647ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy load(v); 657ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 66f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 677ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void loadIdentity(); 6808ae317c21ec3086b5017672bba87420cc38a407Romain Guy 697ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void load(const float* v); 707ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void load(const Matrix4& v); 717ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void load(const SkMatrix& v); 7208ae317c21ec3086b5017672bba87420cc38a407Romain Guy 73079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy void loadInverse(const Matrix4& v); 74079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 757ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void loadTranslate(float x, float y, float z); 767ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void loadScale(float sx, float sy, float sz); 77807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy void loadSkew(float sx, float sy); 787ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void loadRotate(float angle, float x, float y, float z); 797ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void loadMultiply(const Matrix4& u, const Matrix4& v); 8008ae317c21ec3086b5017672bba87420cc38a407Romain Guy 817ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void loadOrtho(float left, float right, float bottom, float top, float near, float far); 8208ae317c21ec3086b5017672bba87420cc38a407Romain Guy 837ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void multiply(const Matrix4& v) { 847ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy Matrix4 u; 857ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy u.loadMultiply(*this, v); 867ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy load(u); 877ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 8808ae317c21ec3086b5017672bba87420cc38a407Romain Guy 89ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy void multiply(float v); 90ddb80bebb0776e6d852aab6e8bba5d5591847a55Romain Guy 917ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void translate(float x, float y, float z) { 927ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy Matrix4 u; 937ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy u.loadTranslate(x, y, z); 947ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy multiply(u); 957ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 9608ae317c21ec3086b5017672bba87420cc38a407Romain Guy 977ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void scale(float sx, float sy, float sz) { 987ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy Matrix4 u; 997ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy u.loadScale(sx, sy, sz); 1007ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy multiply(u); 1017ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 10208ae317c21ec3086b5017672bba87420cc38a407Romain Guy 103807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy void skew(float sx, float sy) { 104807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy Matrix4 u; 105807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy u.loadSkew(sx, sy); 106807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy multiply(u); 107807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy } 108807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1097ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void rotate(float angle, float x, float y, float z) { 1107ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy Matrix4 u; 1117ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy u.loadRotate(angle, x, y, z); 1127ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy multiply(u); 1137ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 11408ae317c21ec3086b5017672bba87420cc38a407Romain Guy 115710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool isPureTranslate() const; 116710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool isSimple() const; 117710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool isIdentity() const; 118a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy bool isPerspective() const; 1196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 120710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool changesBounds() const; 121e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy 1227ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void copyTo(float* v) const; 1237ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void copyTo(SkMatrix& v) const; 12408ae317c21ec3086b5017672bba87420cc38a407Romain Guy 1257ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void mapRect(Rect& r) const; 1260ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy void mapPoint(float& x, float& y) const; 1279d5316e3f56d138504565ff311145ac01621dff4Romain Guy 128bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy float getTranslateX(); 129bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy float getTranslateY(); 130bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 1317ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void dump() const; 13208ae317c21ec3086b5017672bba87420cc38a407Romain Guy 133f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyprivate: 134af28b514964861d81b48902f942f706050936d38Romain Guy bool mSimpleMatrix; 135302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy bool mIsIdentity; 136af28b514964861d81b48902f942f706050936d38Romain Guy 13708ae317c21ec3086b5017672bba87420cc38a407Romain Guy inline float get(int i, int j) const { 138c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy return data[i * 4 + j]; 13908ae317c21ec3086b5017672bba87420cc38a407Romain Guy } 14008ae317c21ec3086b5017672bba87420cc38a407Romain Guy 14108ae317c21ec3086b5017672bba87420cc38a407Romain Guy inline void set(int i, int j, float v) { 1427ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy data[i * 4 + j] = v; 14308ae317c21ec3086b5017672bba87420cc38a407Romain Guy } 14408ae317c21ec3086b5017672bba87420cc38a407Romain Guy}; // class Matrix4 14508ae317c21ec3086b5017672bba87420cc38a407Romain Guy 14608ae317c21ec3086b5017672bba87420cc38a407Romain Guy/////////////////////////////////////////////////////////////////////////////// 14708ae317c21ec3086b5017672bba87420cc38a407Romain Guy// Types 14808ae317c21ec3086b5017672bba87420cc38a407Romain Guy/////////////////////////////////////////////////////////////////////////////// 14908ae317c21ec3086b5017672bba87420cc38a407Romain Guy 15008ae317c21ec3086b5017672bba87420cc38a407Romain Guytypedef Matrix4 mat4; 15108ae317c21ec3086b5017672bba87420cc38a407Romain Guy 1529d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 15308ae317c21ec3086b5017672bba87420cc38a407Romain Guy}; // namespace android 15408ae317c21ec3086b5017672bba87420cc38a407Romain Guy 1555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_MATRIX_H 156