Rect.h revision ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefc
1bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy/* 2bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * Copyright (C) 2010 The Android Open Source Project 3bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * 4bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * you may not use this file except in compliance with the License. 6bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * You may obtain a copy of the License at 7bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * 8bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * 10bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * Unless required by applicable law or agreed to in writing, software 11bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * See the License for the specific language governing permissions and 14bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * limitations under the License. 15bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy */ 16bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 179d5316e3f56d138504565ff311145ac01621dff4Romain Guy#ifndef ANDROID_UI_RECT_H 189d5316e3f56d138504565ff311145ac01621dff4Romain Guy#define ANDROID_UI_RECT_H 19bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 205cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 215cbbce535744b89df5ecea95de21ee3733298260Romain Guy 22bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guynamespace android { 239d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 24bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 25bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy/////////////////////////////////////////////////////////////////////////////// 26bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// Structs 27bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy/////////////////////////////////////////////////////////////////////////////// 28bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 29bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guystruct Rect { 307ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy float left; 317ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy float top; 327ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy float right; 337ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy float bottom; 347ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 357ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy Rect(): 367ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy left(0), 377ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy top(0), 387ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy right(0), 397ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bottom(0) { 407ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 417ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 427ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy Rect(float left, float top, float right, float bottom): 437ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy left(left), 447ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy top(top), 457ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy right(right), 467ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bottom(bottom) { 477ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 487ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 497ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy Rect(const Rect& r) { 507ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy set(r); 517ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 527ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 537ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy Rect(Rect& r) { 547ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy set(r); 557ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 567ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 577ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy Rect& operator=(const Rect& r) { 587ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy set(r); 597ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return *this; 607ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 617ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 627ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy Rect& operator=(Rect& r) { 637ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy set(r); 647ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return *this; 657ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 667ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 677ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy friend int operator==(const Rect& a, const Rect& b) { 687ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return !memcmp(&a, &b, sizeof(a)); 697ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 707ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 717ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy friend int operator!=(const Rect& a, const Rect& b) { 727ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return memcmp(&a, &b, sizeof(a)); 737ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 747ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 757ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool isEmpty() const { 767ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return left >= right || top >= bottom; 777ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 787ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 797ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void setEmpty() { 807ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy memset(this, 0, sizeof(*this)); 817ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 827ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 837ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void set(float left, float top, float right, float bottom) { 847ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy this->left = left; 857ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy this->right = right; 867ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy this->top = top; 877ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy this->bottom = bottom; 887ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 897ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 907ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void set(const Rect& r) { 917ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy set(r.left, r.top, r.right, r.bottom); 927ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 937ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 948aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy inline float getWidth() const { 957ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return right - left; 967ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 977ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 988aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy inline float getHeight() const { 997ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return bottom - top; 1007ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 1017ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 1027ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool intersects(float left, float top, float right, float bottom) const { 1037ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return left < right && top < bottom && 1047ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy this->left < this->right && this->top < this->bottom && 1057ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy this->left < right && left < this->right && 1067ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy this->top < bottom && top < this->bottom; 1077ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 1087ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 1097ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool intersects(const Rect& r) const { 1107ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return intersects(r.left, r.top, r.right, r.bottom); 1117ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 1127ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 1137ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool intersect(float left, float top, float right, float bottom) { 1147ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (left < right && top < bottom && !this->isEmpty() && 1157ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy this->left < right && left < this->right && 1167ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy this->top < bottom && top < this->bottom) { 1177ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 1187ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (this->left < left) this->left = left; 1197ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (this->top < top) this->top = top; 1207ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (this->right > right) this->right = right; 1217ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (this->bottom > bottom) this->bottom = bottom; 1227ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 1237ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return true; 1247ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 1257ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return false; 1267ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 1277ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 1287ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool intersect(const Rect& r) { 1297ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return intersect(r.left, r.top, r.right, r.bottom); 1307ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 1317ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 132079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool unionWith(const Rect& r) { 133079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy if (r.left < r.right && r.top < r.bottom) { 134079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy if (left < right && top < bottom) { 135079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy if (left > r.left) left = r.left; 136079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy if (top > r.top) top = r.top; 137079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy if (right < r.right) right = r.right; 138079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy if (bottom < r.bottom) bottom = r.bottom; 139079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return true; 140079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy } else { 141079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy left = r.left; 142079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy top = r.top; 143079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy right = r.right; 144079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bottom = r.bottom; 145079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return true; 146079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy } 147079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy } 148079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return false; 149079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy } 150079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 151bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy void snapToPixelBoundaries() { 152ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy left = floorf(left + 0.5f); 153ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy top = floorf(top + 0.5f); 154ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy right = floorf(right + 0.5f); 155ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy bottom = floorf(bottom + 0.5f); 156bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy } 157bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 1587ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy void dump() const { 1597ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy LOGD("Rect[l=%f t=%f r=%f b=%f]", left, top, right, bottom); 1607ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 161bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 162bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // struct Rect 163bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1649d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 165bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // namespace android 166bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 167759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#endif // ANDROID_UI_RECT_H 168